Crypt2 ActiveX Reference Documentation

Crypt2

Current Version: 11.0.0

Chilkat encryption component.

Object Creation

Note:
For a specific major version, use "Chilkat.Crypt2.<major_version>", such as "Chilkat.Crypt2.10" for Chilkat v10.*.*
See Chilkat ActiveX Object Creation

(ASP)
set obj = Server.CreateObject("Chilkat.Crypt2")

(AutoIt)
$obj = ObjCreate("Chilkat.Crypt2")

(Visual Basic 6.0)
Dim obj As New ChilkatCrypt2

(VBScript)
set obj = CreateObject("Chilkat.Crypt2")

(VBA, such as Excel)
Dim obj As New ChilkatCrypt2
See How to Use ActiveX in Excel

(Delphi)
obj := TChilkatCrypt2.Create(Self);

(FoxPro)
loObject = CreateObject('Chilkat.Crypt2')

(PowerBuilder)
lole_object = create oleobject
li_rc = lole_object.ConnectToNewObject("Chilkat.Crypt2")

(SQL Server)
EXEC @hr = sp_OACreate 'Chilkat.Crypt2', @obj OUT

(Javascript)
var obj = new ActiveXObject("Chilkat.Crypt2");

Properties

AbortCurrent
AbortCurrent As Long
Introduced in version 9.5.0.58

When set to 1, causes the currently running method to abort. Methods that always finish quickly (i.e.have no length file operations or network communications) are not affected. If no method is running, then this property is automatically reset to 0 when the next method is called. When the abort occurs, this property is reset to 0. Both synchronous and asynchronous method calls can be aborted. (A synchronous method call could be aborted by setting this property from a separate thread.)

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BCryptWorkFactor
BCryptWorkFactor As Long
Introduced in version 9.5.0.65

The BCrypt work factor to be used for the BCryptHash and BCryptVerify. This is the log2 of the number of rounds of hashing to apply. For example, if the work (cost) factor is 12, then 2^12 rounds of hashing are applied. The purpose of this cost factor is to make the BCrypt computation expensive enought to prevent brute-force attacks. (Any complaints about BCrypt not being fast enough will be ignored.)

This property must have a value ranging from 4 to 31 inclusive.

The default value is 10.

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BlockSize
BlockSize As Long (read-only)

The block-size (in bytes) of the selected encryption algorithm. For example, if the CryptAlgorithm property is set to aes, the BlockSize property is automatically set to 16. The block-size for the ARC4 streaming encryption algorithm is 1.

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CadesEnabled
CadesEnabled As Long

Applies to all methods that create PKCS7 signatures. To create a CAdES-BES signature, set this property equal to 1. The default value of this property is 0.

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CadesSigPolicyHash
CadesSigPolicyHash As String

This is the base64 hash of the policy document located at the CadesSigPolicyUri. You can use either the SHA256 or SHA1 hash. You may use this online tool to compute the base64 hash: http://tools.chilkat.io/hashFileAtUrl.cshtml>Compute Base64 Hash for CaDES Signature Policy URL

Note: This property applies to all methods that create PKCS7 signatures. To create a CAdES-EPES signature, set the CadesEnabled property = 1, and also provide values for each of the following properties: CadesSigPolicyHash, CadesSigPolicyId, and CadesSigPolicyUri. For example (in pseudo-code):

cryptObj.CadesSigPolicyId = <code>2.16.76.1.7.1.1.1</code>
cryptObj.CadesSigPolicyUri = <code>http://politicas.icpbrasil.gov.br/PA_AD_RB.der</code>
cryptObj.CadesSigPolicyHash = <code>rySugyKaMhiMR8Y/o5yuU2A2bF0=</code>
Note: Do NOT use the values above. They are only provided as an example to show valid values. For example, the Policy ID is an OID. The Policy URI is a typically a URL to a DER encoded policy file, and the Policy Hash is a base64 encoded hash.

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CadesSigPolicyId
CadesSigPolicyId As String

See the description for the CadesSigPolicyHash property above.

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CadesSigPolicyUri
CadesSigPolicyUri As String

See the description for the CadesSigPolicyHash property above.

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Charset
Charset As String

This property specifies the character encoding used to represent text as bytes for encryption and hashing. By default, it uses the computer's ANSI charset, such as Windows-1252 for locales like the United States, United Kingdom, Western Europe, Australia, and New Zealand.

Most applications are advised to set this property to UTF-8. Chilkat plans to change its default to UTF-8 in a future major version to align with current standards. The current default of ANSI stems from a time when UTF-8 was not widely adopted.

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CipherMode
CipherMode As String

Sets the cipher mode for block encryption algorithms (AES, Blowfish,TwoFish, DES, 3DES, RC2). Possible values are CBC (the default) , ECB, CTR, OFB, GCM, and CFB. These acronyms have the following meanings:

  • CBC: Cipher Block Chaining,
  • ECB: Electronic CookBook
  • CTR: Counter Mode
  • CFB: Cipher Feedback
  • OFB: Output Feedback
  • GCM: Galois/Counter Mode
  • XTS: AES-XTS (starting in Chilkat v9.5.0.91, only works with AES encryption)

Prior to Chilkat v9.5.0.55, the CFB mode is only implemented for AES, Blowfish, and DES/3DES, and the CTR mode is only implemented for AES.

Starting in v9.5.0.55 CFB and OFB modes are useable with all encryption algorithms, and GCM (Galois/Counter Mode) is available with any cipher having a 16-byte block size, such as AES and Twofish. CFB, OFB, CTR, and GCM modes convert block ciphers into stream ciphers. In these modes of operation, the PaddingScheme property is unused because no padding occurs.

Starting in v9.5.0.91 Chilkat supports AES-XTS mode. XTS mode additionally uses a tweak key and tweak value, which are set via the XtsSetEncodedTweakKey, XtsSetEncodedTweakValue, and XtsSetDataUnitNumber. (The latter two functions provide alternative means of setting the tweak value.) Note: Chilkat fully supports AES-XTS mode with ciphertext-stealing, which means it will correctly encrypt/decrypt data with size not divisible by the block size (i.e. divisible by 16 bytes).

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CmsOptions
CmsOptions As String
Introduced in version 9.5.0.78

A JSON string for controlling extra CMS (PKCS7) signature and validation options.

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CryptAlgorithm
CryptAlgorithm As String

Selects the encryption algorithm for encrypting and decrypting. Possible values are: chacha20, pki, aes, blowfish2, des, 3des, rc2, arc4, twofish, pbes1 and pbes2. The pki encryption algorithm isn't a specific algorithm, but instead tells the component to encrypt/decrypt using public-key encryption (PKCS7/CMS) with digital certificates. The other choices are symmetric encryption algorithms that do not involve digital certificates and public/private keys.

The default value is aes

The original Chilkat implementation of Blowfish (in 2004) has a 4321 byte-swapping issue (the results are 4321 byte-swapped). The newer implementation (in 2006 and named blowfish2) does not byte swap. This should be used for compatibility with other Blowfish software. If an application needs to decrypt something encrypted with the old 4321 byte-swapped blowfish, set the property to blowfish_old.

Password-based encryption (PBE) is selected by setting this property to pbes1 or pbes2. Password-based encryption is defined in the PKCS5 Password-Based Cryptography Standard at https://tools.ietf.org/html/rfc2898. If PBE is used, the underlying encryption algorithm is specified by the PbesAlgorithm property. The underlying encryption (PbesAlgorithm) for PBES1 is limited to 56-bit DES or 64-bit RC2.

Note:The chacha20 algorithm is introduced in Chilkat v9.5.0.55.

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DebugLogFilePath
DebugLogFilePath As String

If set to a file path, this property logs the LastErrorText of each Chilkat method or property call to the specified file. This logging helps identify the context and history of Chilkat calls leading up to any crash or hang, aiding in debugging.

Enabling the VerboseLogging property provides more detailed information. This property is mainly used for debugging rare instances where a Chilkat method call causes a hang or crash, which should generally not happen.

Possible causes of hangs include:

  • A timeout property set to 0, indicating an infinite timeout.
  • A hang occurring within an event callback in the application code.
  • An internal bug in the Chilkat code causing the hang.

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EncodingMode
EncodingMode As String

Controls the encoding of binary data to a printable string for many methods. The valid modes are Base64, modBase64, base64url, Base32, Base58, UU, QP (for quoted-printable), URL (for url-encoding), Hex, Q, B, url_oauth, url_rfc1738, url_rfc2396, url_rfc3986, fingerprint, or decimal.

The default value is base64

The fingerprint anddecimal encodings are introduced in Chilkat v9.5.0.55.

The fingerprint encoding is a lowercase hex encoding where each hex digit is separated by a colon character. For example: 6a:de:e0:af:56:f8:0c:04:11:5b:ef:4d:49:ad:09:23

The decimal encoding is for converting large decimal integers to/from a big-endian binary representation. For example, the decimal string 72623859790382856 converts to the bytes 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08.

More Information and Examples
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FirstChunk
FirstChunk As Long

Using the FirstChunk and LastChunk properties is the way to do streaming encryption or decryption with Chilkat.

By default, both FirstChunk and LastChunk are set to 1, indicating that the data passed to the encryption or decryption method is the full amount. To process data in multiple chunks, adjust these settings as follows:

1. For the first chunk, set FirstChunk = 1 and LastChunk = 0.
2. For intermediate chunks, set both FirstChunk = 0 and LastChunk = 0.
3. For the final chunk, set FirstChunk = 0 and LastChunk = 1.

You can feed data chunks of any size, regardless of the encryption algorithm's block size (e.g., 16 bytes for AES). Chilkat will handle buffering and, upon receiving the final chunk, pad the output to the appropriate block size according to the selected PaddingScheme.

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HashAlgorithm
HashAlgorithm As String

Selects the hash algorithm used by methods that create hashes. The valid choices are sha1, sha256, sha384, sha512, sha3-224, sha3-256, sha3-384, sha3-512, md2, md5, haval, ripemd128, ripemd160,ripemd256, or ripemd320.

Note: SHA-2 designates a set of cryptographic hash functions that includes SHA-256, SHA-384, and SHA-512. Chilkat by definition supports SHA-2 because it supports these algorithms.

The default value is sha256.

Note: The HAVAL hash algorithm is affected by two other properties: HavalRounds and KeyLength.

  • The HavalRounds may have values of 3, 4, or 5.
  • The KeyLength may have values of 128, 160, 192, 224, or 256.

Note: The sha3-224, sha3-256, sha3-384, sha3-512 algorithms are added in Chilkat v9.5.0.83.

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HavalRounds
HavalRounds As Long

Applies to the HAVAL hash algorithm only and must be set to the integer value 3, 4, or 5. The default value is 3.

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HeartbeatMs
HeartbeatMs As Long

The number of milliseconds between each AbortCheck event callback. The AbortCheck callback allows an application to abort some methods call prior to completion. If HeartbeatMs is 0 (the default), no AbortCheck event callbacks will fire.

The methods with event callbacks are: CkDecryptFile, CkEncryptFile, HashFile, and HashFileENC.

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IncludeCertChain
IncludeCertChain As Long

Only applies when creating digital signatures. If 1 (the default), then additional certificates (if any) in the chain of authentication are included in the PKCS7 digital signature.

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InitialCount
InitialCount As Long
Introduced in version 9.5.0.55

The initial counter for the ChaCha20 encryption algorithm. The default value is 0.

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IterationCount
IterationCount As Long

Iteration count to be used with password-based encryption (PBE). Password-based encryption is defined in the PKCS5 Password-Based Cryptography Standard at http://www.rsa.com/rsalabs/node.asp?id=2127

The purpose of the iteration count is to increase the computation required to encrypt and decrypt. A larger iteration count makes cracking via exhaustive search more difficult. The default value is 1024.

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IV
IV As Variant

The initialization vector to be used with symmetric encryption algorithms (AES, Blowfish, Twofish, etc.). If left unset, no initialization vector is used.

More Information and Examples
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KeyLength
KeyLength As Long

The key length in bits for symmetric encryption algorithms. The default value is 256.

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LastBinaryResult
LastBinaryResult As Variant (read-only)

This property is mainly used in SQL Server stored procedures to retrieve binary data from the last method call that returned binary data. It is only accessible if Chilkat.Global.KeepBinaryResult is set to 1. This feature allows for the retrieval of large varbinary results in an SQL Server environment, which has restrictions on returning large data via method calls, though temp tables can handle binary properties.

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LastChunk
LastChunk As Long

See the documentation for the FirstChunk property.

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LastErrorHtml
LastErrorHtml As String (read-only)

Provides HTML-formatted information about the last called method or property. If a method call fails or behaves unexpectedly, check this property for details. Note that information is available regardless of the method call's success.

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LastErrorText
LastErrorText As String (read-only)

Provides plain text information about the last called method or property. If a method call fails or behaves unexpectedly, check this property for details. Note that information is available regardless of the method call's success.

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LastErrorXml
LastErrorXml As String (read-only)

Provides XML-formatted information about the last called method or property. If a method call fails or behaves unexpectedly, check this property for details. Note that information is available regardless of the method call's success.

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LastMethodSuccess
LastMethodSuccess As Long

Indicates the success or failure of the most recent method call: 1 means success, 0 means failure. This property remains unchanged by property setters or getters. This method is present to address challenges in checking for null or Nothing returns in certain programming languages.

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LastStringResult
LastStringResult As String (read-only)

In SQL Server stored procedures, this property holds the string return value of the most recent method call that returns a string. It is accessible only when Chilkat.Global.KeepStringResult is set to TRUE. SQL Server has limitations on string lengths returned from methods and properties, but temp tables can be used to access large strings.

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LastStringResultLen
LastStringResultLen As Long (read-only)

The length, in characters, of the string contained in the LastStringResult property.

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MacAlgorithm
MacAlgorithm As String
Introduced in version 9.5.0.55

Selects the MAC algorithm to be used for any of the Mac methods, such as MacStringENC, MacBytes, etc. The default value is hmac. Possible values are hmac and poly1305.

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NumSignerCerts
NumSignerCerts As Long (read-only)

This property is set when a digital signature is verified. It contains the number of signer certificates. Each signing certificate can be retrieved by calling the GetSignerCert method, passing an index from 0 to NumSignerCerts-1.

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OaepHash
OaepHash As String
Introduced in version 9.5.0.67

Selects the hash algorithm for use within OAEP padding when encrypting using pki with RSAES-OAEP. The valid choices are sha1, sha256, sha384, sha512,

The default value is sha256

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OaepMgfHash
OaepMgfHash As String
Introduced in version 9.5.0.71

Selects the MGF hash algorithm for use within OAEP padding when encrypting using pki with RSAES-OAEP. The valid choices are sha1, sha256, sha384, sha512, The default is sha256.

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OaepPadding
OaepPadding As Long
Introduced in version 9.5.0.67

Selects the RSA encryption scheme when encrypting using pki (with a certificate and private key). The default value is 0, which selects RSAES_PKCS1-V1_5. If set to 1, then RSAES_OAEP is used.

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PaddingScheme
PaddingScheme As Long

The padding scheme used by block encryption algorithms such as AES (Rijndael), Blowfish, Twofish, RC2, DES, 3DES, etc. Block encryption algorithms pad encrypted data to a multiple of algorithm's block size. The default value of this property is 0.

Possible values are:

0 = RFC 1423 padding scheme: Each padding byte is set to the number of padding bytes. If the data is already a multiple of algorithm's block size bytes, an extra block is appended each having a value equal to the block size. (for example, if the algorithm's block size is 16, then 16 bytes having the value 0x10 are added.). (This is also known as PKCS5 padding: PKCS #5 padding string consists of a sequence of bytes, each of which is equal to the total number of padding bytes added. )

1 = FIPS81 (Federal Information Processing Standards 81) where the last byte contains the number of padding bytes, including itself, and the other padding bytes are set to random values.

2 = Each padding byte is set to a random value. The decryptor must know how many bytes are in the original unencrypted data.

3 = Pad with NULLs. (If already a multiple of the algorithm's block size, no padding is added).

4 = Pad with SPACE chars(0x20). (If already a multiple of algorithm's block size, no padding is added).

More Information and Examples
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PbesAlgorithm
PbesAlgorithm As String

If the CryptAlgorithm property is set to pbes1 or pbes2, this property specifies the underlying encryption algorithm to be used with password-based encryption (PBE). Password-based encryption is defined in the PKCS5 Password-Based Cryptography Standard at http://www.rsa.com/rsalabs/node.asp?id=2127

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PbesPassword
PbesPassword As String

The password to be used with password-based encryption (PBE). Password-based encryption is defined in the PKCS5 Password-Based Cryptography Standard at http://www.rsa.com/rsalabs/node.asp?id=2127

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Pkcs7CryptAlg
Pkcs7CryptAlg As String

When the CryptAlgorithm property is PKI to select PKCS7 public-key encryption, this selects the underlying symmetric encryption algorithm. Possible values are: aes, des, 3des, and rc2. The default value is aes.

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Rc2EffectiveKeyLength
Rc2EffectiveKeyLength As Long

The effective key length (in bits) for the RC2 encryption algorithm. When RC2 is used, both the KeyLength and Rc2EffectiveKeyLength properties should be set. For RC2, both should be between 8 and 1024 (inclusive).

The default value is 128

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Salt
Salt As Variant

The salt to be used with password-based encryption (PBE). Password-based encryption is defined in the PKCS5 Password-Based Cryptography Standard at http://www.rsa.com/rsalabs/node.asp?id=2127

To clarify: This property is used in encryption when the CryptAlgorithm is set to pbes1 or pbes2. Also note that it is not used by the Pbkdf1 or Pbkdf2 methods, as the salt is passed in an argument to those methods.

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SecretKey
SecretKey As Variant

The binary secret key used for symmetric encryption (Aes, Blowfish, Twofish, ChaCha20, ARC4, 3DES, RC2, etc.). The secret key must be identical for decryption to succeed. The length in bytes of the SecretKey must equal the KeyLength/8.

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SigningAlg
SigningAlg As String
Introduced in version 9.5.0.67

This property selects the signature algorithm for the OpaqueSign*, Sign*, and CreateDetachedSignature, CreateP7M, and CreateP7S methods. The default value is PKCS1-v1_5. This can be set to RSASSA-PSS (or simply pss) to use the RSASSA-PSS signature scheme.

Note: This property only applies when the private key is an RSA private key. It does not apply for ECC or DSA private keys.

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SigningAttributes
SigningAttributes As String
Introduced in version 9.5.0.75

Contains JSON to specify the authenticated (signed) attributes or unauthenticated (unsigned) attributes that are to be included in CMS signatures. The default value is:

{
    <code>contentType</code>: 1,
    <code>signingTime</code>: 1,
    <code>messageDigest</code>: 1
}

Other possible values that can be added are:

  • signingCertificateV2
  • signingCertificate
  • sMIMECapabilities
  • microsoftRecipientInfo
  • encrypKeyPref
  • cmsAlgorithmProtection
Contact Chilkat (support@chilkatsoft.com) about other signed/unsigned attributes that may be needed for CAdES signatures.

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UncommonOptions
UncommonOptions As String
Introduced in version 9.5.0.83

This is a catch-all property to be used for uncommon needs. This property defaults to the empty string and should typically remain empty.

Can be set to a list of the following comma separated keywords:

  • UseConstructedOctets - Introduced in v9.5.0.83. When creating opaque CMS signatures (signatures that embed the data being signed), will use the constructed octets form of the ASN.1 that holds the data. This is to satify some validators that are brittle/fragile/picky and require a particular format, such as for the ICP-Brazil Digital Signature Standard.

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UuFilename
UuFilename As String

When UU encoding, this is the filename to be embedded in UU encoded output. The default is file.dat. When UU decoding, this is the filename found in the UU encoded input.

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UuMode
UuMode As String

When UU encoding, this is the file permissions mode to be embedded in UU encoded output. The default is 644. When UU decoding, this property is set to the mode found in the UU encoded input.

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VerboseLogging
VerboseLogging As Long

If set to 1, then the contents of LastErrorText (or LastErrorXml, or LastErrorHtml) may contain more verbose information. The default value is 0. Verbose logging should only be used for debugging. The potentially large quantity of logged information may adversely affect peformance.

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Version
Version As String (read-only)

Version of the component/library, such as "10.1.0"

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Methods

AddEncryptCert
AddEncryptCert(cert As ChilkatCert)

Adds a certificate for public-key encryption. To enable public-key encryption with digital certificates, set the CryptAlgorithm property to pki. Call AddEncryptCert separately for each certificate you wish to use for encryption.

Any of the Encrypt* methods will do RSA public-key encryption when the CryptAlgorithm is set to the keyword pki. The output is a PKCS#7 enveloped-data secure container.

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AddPfxSourceBd
AddPfxSourceBd(bd As ChilkatBinData, password As String) As Long
Introduced in version 11.0.0

Adds a PFX file to the object's list of sources for locating certificates and private keys during public-key decryption or signing. To add multiple PFX sources, call this method multiple times. bd should contain the bytes of a PFX file (also known as PKCS12 or .p12).

Note: Information about the certificate(s) needed for public-key decryption are included in the PKCS#7 enveloped-data. Chilkat will automatically find a usable certificate and private key from sources like Windows certificate stores, the Apple keychain, or other sources provided by the application.

Returns 1 for success, 0 for failure.

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AddPfxSourceData
AddPfxSourceData(pfxBytes As Variant, pfxPassword As String) As Long

Adds a PFX file to the object's list of sources for locating certificates and private keys during public-key decryption or signing. To add multiple PFX sources, call this method multiple times. pfxBytes should contain the bytes of a PFX file (also known as PKCS12 or .p12).

Returns 1 for success, 0 for failure.

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AddPfxSourceFile
AddPfxSourceFile(pfxFilePath As String, pfxPassword As String) As Long

Adds a PFX file to the object's list of sources for locating certificates and private keys during public-key decryption or signing. To add multiple PFX sources, call this method multiple times.

Note: Information about the certificate(s) needed for public-key decryption are included in the PKCS#7 enveloped-data. Chilkat will automatically find a usable certificate and private key from sources like Windows certificate stores, the Apple keychain, or other sources provided by the application.

Returns 1 for success, 0 for failure.

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AddSigningCert
AddSigningCert(cert As ChilkatCert) As Long
Introduced in version 9.5.0.83

Call this method once per certificate to add multiple certificates for signing. If signing with a single certificate, then the SetSigningCert or SetSigningCert2 methods can be used instead.

Returns 1 for success, 0 for failure.

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AesKeyUnwrap
AesKeyUnwrap(kek As String, wrappedKeyData As String, encoding As String) As String
Introduced in version 9.5.0.66

Implements the AES Key Wrap Algorithm (RFC 3394) for unwrapping. The kek is the Key Encryption Key (the AES key used to unwrap the wrappedKeyData). The arguments and return value are binary encoded strings using the encoding specified by encoding (which can be base64, hex, base64url, etc.) The full list of supported encodings is available at the link below.

The kek should be an AES key of 16 bytes, 24 bytes, or 32 bytes (i.e. 128-bits, 192- bits, or 256-bits). For example, if passed as a hex string, then the kek should be 32 chars in length, 48 chars, or 64 chars (because each byte is represented as 2 chars in hex).

The wrappedKeyData contains the data to be unwrapped. The result, if decoded, is 8 bytes less than the wrapped key data. For example, if a 256-bit AES key (32 bytes) is wrapped, the size of the wrapped key data is 40 bytes. Unwrapping restores it to the original 32 bytes.

Returns Nothing on failure

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AesKeyUnwrapWithPadding
AesKeyUnwrapWithPadding(kek As String, wrappedKeyData As String, encoding As String) As String
Introduced in version 9.5.0.96

Implements the AES Key Wrap with Padding Algorithm (RFC 5649) for unwrapping. The kek is the Key Encryption Key (the AES key used to unwrap the wrappedKeyData). The arguments and return value are binary encoded strings using the encoding specified by encoding (which can be base64, hex, base64url, etc.)

The kek should be an AES key of 16 bytes, 24 bytes, or 32 bytes (i.e. 128-bits, 192- bits, or 256-bits). For example, if passed as a hex string, then the kek should be 32 chars in length, 48 chars, or 64 chars (because each byte is represented as 2 chars in hex).

The wrappedKeyData contains the data to be unwrapped.

The unwrapped key is returned as an encoded string (using the encoding specified in encoding).

Returns Nothing on failure

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AesKeyWrap
AesKeyWrap(kek As String, keyData As String, encoding As String) As String
Introduced in version 9.5.0.66

Implements the AES Key Wrap Algorithm (RFC 3394). The kek is the Key Encryption Key (the AES key used to encrypt the keyData). The arguments and return value are binary encoded strings using the encoding specified by encoding (which can be base64, hex, base64url, etc.) The full list of supported encodings is available at the link below.

The kek should be an AES key of 16 bytes, 24 bytes, or 32 bytes (i.e. 128-bits, 192- bits, or 256-bits). For example, if passed as a hex string, then the kek should be 32 chars in length, 48 chars, or 64 chars (because each byte is represented as 2 chars in hex).

The keyData contains the data to be key wrapped. It must be a multiple of 64-bits in length. In other words, if the keyData is decoded to binary, it should be a number of bytes that is a multiple of 8.

The return string, if decoded to binary bytes, is equal to the size of the key data + 8 additional bytes.

Returns Nothing on failure

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AesKeyWrapWithPadding
AesKeyWrapWithPadding(kek As String, keyData As String, encoding As String) As String
Introduced in version 9.5.0.96

Implements the AES Key Wrap with Padding Algorithm (RFC 5649). The kek is the Key Encryption Key (the AES key used to encrypt the keyData). The arguments and return value are binary encoded strings using the encoding specified by encoding (which can be base64, hex, base64url, etc.)

The kek should be an AES key of 16 bytes, 24 bytes, or 32 bytes (i.e. 128-bits, 192- bits, or 256-bits). For example, if passed as a hex string, then the kek should be 32 chars in length, 48 chars, or 64 chars (because each byte is represented as 2 chars in hex).

The keyData contains the data to be key wrapped.

Returns the wrapped key using the encoding specified in encoding.

Returns Nothing on failure

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BCryptHash
BCryptHash(password As String) As String
Introduced in version 9.5.0.65

Computes and returns a bcrypt hash of the password. The number of rounds of hashing is determined by the BCryptWorkFactor property.

Starting in v9.5.0.76, if the password is prefixed with $2b$ then the output will use the $2b version of bcrypt. For example, to create a $2b$ bcrypt has for the password secret, pass in the string $2b$secret for password.

Returns Nothing on failure

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BCryptVerify
BCryptVerify(password As String, bcryptHash As String) As Long
Introduced in version 9.5.0.65

Verifies the password against a previously computed BCrypt hash. Returns 1 if the password matches the bcryptHash. Returns 0 if the password does not match.

Returns 1 for success, 0 for failure.

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CkDecryptFile
CkDecryptFile(srcFile As String, destFile As String) As Long

File-to-file decryption that supports files of any size by using internal streaming mode.

Returns 1 for success, 0 for failure.

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CkDecryptFileAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
CkDecryptFileAsync(srcFile As String, destFile As String) As ChilkatTask

Creates an asynchronous task to call the CkDecryptFile method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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CkEncryptFile
CkEncryptFile(srcFile As String, destFile As String) As Long

File-to-file encryption that operates in streaming mode, allowing it to encrypt files of any size.

Returns 1 for success, 0 for failure.

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CkEncryptFileAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
CkEncryptFileAsync(srcFile As String, destFile As String) As ChilkatTask

Creates an asynchronous task to call the CkEncryptFile method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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ClearEncryptCerts
ClearEncryptCerts()

Clears the internal list of digital certificates to be used for public-key encryption.

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ClearSigningCerts
ClearSigningCerts()
Introduced in version 9.5.0.83

Clears the set of certificates to be used in signing.

Returns 1 for success, 0 for failure.

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CoSign
CoSign(bdIn As ChilkatBinData, cert As ChilkatCert, bdOut As ChilkatBinData) As Long
Introduced in version 9.5.0.89

Co-sign's an existing CMS signature. bdIn contains the existing CMS signature. If successful, cert is the output co-signed CMS signature.

Returns 1 for success, 0 for failure.

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CrcBd
CrcBd(crcAlg As String, bd As ChilkatBinData) As Long
Introduced in version 11.0.0

Computes a CRC for data contained in crcAlg, which can be either crc-32 used in the Zip file format, or crc8 for the CRC8 algorithm.

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CrcBytes
CrcBytes(crcAlg As String, byteData As Variant) As Long
Introduced in version 9.5.0.38

Calculates a CRC for byte data in memory using the CRC algorithm specified by crcAlg. Possible algorithms are:

  • crc-32 - This is the CRC used in the Zip file format.
  • crc8

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CrcFile
CrcFile(crcAlg As String, path As String) As Long
Introduced in version 9.5.0.38

Calculates the CRC for a file's contents using the CRC algorithm specified by crcAlg. Possible algorithms are:

  • crc-32 - This is the CRC used in the Zip file format.
  • crc8

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CrcFileAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
CrcFileAsync(crcAlg As String, path As String) As ChilkatTask
Introduced in version 9.5.0.38

Creates an asynchronous task to call the CrcFile method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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CreateP7M
CreateP7M(inFilename As String, p7mPath As String) As Long

Signs the contents of inFilename and writes the enveloping (i.e. opaque) PKCS7 signature (.p7m) to p7mPath.

In a PKCS#7/CMS signature, the signer computes a cryptographic hash (e.g. SHA-256) of the data, then uses their private key to sign that hash.

The signature = Sign( Hash(data) )

This signed hash is what gets stored in the signature file. For enveloping/opaque signatures, the signed data is also stored in the signature file.

Set the HashAlgorithm property to specify the hash algorithmg. The valid options are sha256, sha1, sha384, and sha512.

Returns 1 for success, 0 for failure.

More Information and Examples
What is an Enveloping PKCS7 CMS Signature?.p7s vs .p7mOnline Tool to Examine a .p7m and Generate Code that Duplicates the .p7m(AutoIt) CAdES BES Attached (Opaque) Signature(Classic ASP) CAdES BES Attached (Opaque) Signature(PowerBuilder) CAdES BES Attached (Opaque) Signature(SQL Server) CAdES BES Attached (Opaque) Signature(VBScript) CAdES BES Attached (Opaque) Signature(Visual Basic 6.0) CAdES BES Attached (Opaque) Signature(Visual FoxPro) CAdES BES Attached (Opaque) Signature(AutoIt) Examine the Contents of a .p7m by Converting to XML(Classic ASP) Examine the Contents of a .p7m by Converting to XML(PowerBuilder) Examine the Contents of a .p7m by Converting to XML(SQL Server) Examine the Contents of a .p7m by Converting to XML(VBScript) Examine the Contents of a .p7m by Converting to XML(Visual Basic 6.0) Examine the Contents of a .p7m by Converting to XML(Visual FoxPro) Examine the Contents of a .p7m by Converting to XML(AutoIt) Create P7M Using Pre-Installed Windows Certificate(Classic ASP) Create P7M Using Pre-Installed Windows Certificate(PowerBuilder) Create P7M Using Pre-Installed Windows Certificate(SQL Server) Create P7M Using Pre-Installed Windows Certificate(VBScript) Create P7M Using Pre-Installed Windows Certificate(Visual Basic 6.0) Create P7M Using Pre-Installed Windows Certificate(Visual FoxPro) Create P7M Using Pre-Installed Windows Certificate(AutoIt) Create a CAdES-T Signature(Classic ASP) Create a CAdES-T Signature(PowerBuilder) Create a CAdES-T Signature(SQL Server) Create a CAdES-T Signature(VBScript) Create a CAdES-T Signature(Visual Basic 6.0) Create a CAdES-T Signature(Visual FoxPro) Create a CAdES-T Signature(AutoIt) Convert PDF to pdf.p7s (Digitally Signed)(Classic ASP) Convert PDF to pdf.p7s (Digitally Signed)(PowerBuilder) Convert PDF to pdf.p7s (Digitally Signed)(SQL Server) Convert PDF to pdf.p7s (Digitally Signed)(VBScript) Convert PDF to pdf.p7s (Digitally Signed)(Visual Basic 6.0) Convert PDF to pdf.p7s (Digitally Signed)(Visual FoxPro) Convert PDF to pdf.p7s (Digitally Signed)
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CreateP7MAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
CreateP7MAsync(inFilename As String, p7mPath As String) As ChilkatTask

Creates an asynchronous task to call the CreateP7M method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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CreateP7S
CreateP7S(inFilename As String, p7sPath As String) As Long

Signs the contents of inFilename and writes the detached PKCS7 signature (.p7s) to p7sPath.

In a PKCS#7/CMS detached signature, the signer computes a cryptographic hash (e.g. SHA-256) of the data, then uses their private key to sign that hash.

The signature = Sign( Hash(data) )

This signed hash is what gets stored in the signature file.

Set the HashAlgorithm property to specify the hash algorithmg. The valid options are sha256, sha1, sha384, and sha512.

Returns 1 for success, 0 for failure.

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CreateP7SAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
CreateP7SAsync(inFilename As String, p7sPath As String) As ChilkatTask

Creates an asynchronous task to call the CreateP7S method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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DecodeString
DecodeString(inStr As String, charset As String, encoding As String) As String

Decodes from an encoding back to the original string. The encoding can be set to any of the following strings: base64, hex, quoted-printable, url, base32, Q, B, url_rc1738, url_rfc2396, url_rfc3986, url_oauth, uu, modBase64, or html (for HTML entity encoding).

Returns Nothing on failure

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DecryptBd
DecryptBd(bd As ChilkatBinData) As Long
Introduced in version 9.5.0.67

Decrypts the contents of bd. This method can do either symmetric key decryption or CMS public key decryption (e.g., PKCS#7 EnvelopedData).

Before calling this method for symmetric key decryption (e.g., AES, ChaCha20, Blowfish, etc.), ensure the following setup:

  1. Define the encryption algorithm using the CryptAlgorithm property.
  2. Specify the encryption key length with the KeyLength property.
  3. Establish the cipher mode through the CipherMode property.
  4. Use the SetEncodedIV method to set the IV, if needed by the cipher mode.
  5. Set the encryption key with the SetEncodedKey method.
  6. Ensure the PaddingScheme property matches the encryptor's value.

When calling this method for public key decryption (i.e. decrypting a PKCS7 CMS message), the following setup is required:

  1. The CryptAlgorithm property should be set to the string "pki".
  2. Optionally specify the certificate to be used for decryption by calling SetDecryptCert. If SetDecryptCert is not called, then Chilkat will automatically search certificate sources (Windows certificate stores, Apple keychain, etc.) for the required certificate.

Returns 1 for success, 0 for failure.

More Information and Examples
(AutoIt) Example for both AES-128 and ChaCha20 to Encrypt Binary Data(Classic ASP) Example for both AES-128 and ChaCha20 to Encrypt Binary Data(PowerBuilder) Example for both AES-128 and ChaCha20 to Encrypt Binary Data(SQL Server) Example for both AES-128 and ChaCha20 to Encrypt Binary Data(VBScript) Example for both AES-128 and ChaCha20 to Encrypt Binary Data(Visual Basic 6.0) Example for both AES-128 and ChaCha20 to Encrypt Binary Data(Visual FoxPro) Example for both AES-128 and ChaCha20 to Encrypt Binary Data(AutoIt) RSAES-OAEP Encrypt/Decrypt Binary Data with AES-128 and SHA56(Classic ASP) RSAES-OAEP Encrypt/Decrypt Binary Data with AES-128 and SHA56(PowerBuilder) RSAES-OAEP Encrypt/Decrypt Binary Data with AES-128 and SHA56(SQL Server) RSAES-OAEP Encrypt/Decrypt Binary Data with AES-128 and SHA56(VBScript) RSAES-OAEP Encrypt/Decrypt Binary Data with AES-128 and SHA56(Visual Basic 6.0) RSAES-OAEP Encrypt/Decrypt Binary Data with AES-128 and SHA56(Visual FoxPro) RSAES-OAEP Encrypt/Decrypt Binary Data with AES-128 and SHA56(AutoIt) openssl enc decrypt(Classic ASP) openssl enc decrypt(PowerBuilder) openssl enc decrypt(SQL Server) openssl enc decrypt(VBScript) openssl enc decrypt(Visual Basic 6.0) openssl enc decrypt(Visual FoxPro) openssl enc decrypt(AutoIt) Duplicate SQL Server ENCRYPTBYPASSPHRASE(Classic ASP) Duplicate SQL Server ENCRYPTBYPASSPHRASE(PowerBuilder) Duplicate SQL Server ENCRYPTBYPASSPHRASE(SQL Server) Duplicate SQL Server ENCRYPTBYPASSPHRASE(VBScript) Duplicate SQL Server ENCRYPTBYPASSPHRASE(Visual Basic 6.0) Duplicate SQL Server ENCRYPTBYPASSPHRASE(Visual FoxPro) Duplicate SQL Server ENCRYPTBYPASSPHRASE
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DecryptBytes
DecryptBytes(data As Variant) As Variant

Decrypts a byte array and returns the unencrypted byte array. The property settings used when encrypting the data must match the settings when decrypting. Specifically, the CryptAlgorithm, CipherMode, PaddingScheme, KeyLength, IV, and SecretKey properties must match.

Returns a zero-length byte array (as a Variant) on failure.
An empty array will have a UBound of -1 meaning 0 elements.

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DecryptBytesENC
DecryptBytesENC(str As String) As Variant

Decrypts string-encoded encrypted data and returns the unencrypted byte array. Data encrypted with EncryptBytesENC can be decrypted with this method. The property settings used when encrypting the data must match the settings when decrypting. Specifically, the EncodingMode, CryptAlgorithm, CipherMode, PaddingScheme, KeyLength, IV, and SecretKey properties must match.

Returns a zero-length byte array (as a Variant) on failure.
An empty array will have a UBound of -1 meaning 0 elements.

More Information and Examples
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DecryptEncoded
DecryptEncoded(encodedEncryptedData As String) As String

Decrypts encoded encrypted data, and returns the decrypted data as a binary encoded string. For example:

Input → Decode EncodingMode → Decrypt → Encode EncodingMode → Output

The encoding (e.g. base64, hex, etc.) is determined by the EncodingMode property.

This method supports symmetric key and public key decryption. For more information on properties that affect decryption, such as CryptAlgorithm, CipherMode, etc., refer to the DecryptBd method documentation.

Returns Nothing on failure

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DecryptSb
DecryptSb(bdIn As ChilkatBinData, sbOut As ChilkatStringBuilder) As Long
Introduced in version 9.5.0.67

This function is intended for use when the expected decrypted output is text. It decrypts the contents of bdIn and appends the resulting string to sbOut. Ensure that the Charset property, such as utf-8, matches the one used during encryption to interpret the decrypted bytes correctly as characters.

Input → Decrypt → Interpret Bytes according to Charset → Append to StringBuilder

This method supports symmetric key and public key decryption. For more information on properties that affect decryption, such as CryptAlgorithm, CipherMode, etc., refer to the DecryptBd method documentation.

Returns 1 for success, 0 for failure.

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DecryptSecureENC
DecryptSecureENC(cipherText As String, secureStr As ChilkatSecureString) As Long
Introduced in version 9.5.0.71

This function is intended for use when the expected decrypted output is text. It decrypts binary encoded encrypted bytes passed in cipherText and appends the resulting string to secureStr. Ensure that the Charset property, such as utf-8, matches the one used during encryption to interpret the decrypted bytes correctly as characters.

Input → Decode using EncodingMode → Decrypt → Interpret Bytes according to Charset → Append to Secure String

The encoding (e.g. base64, hex, etc.) is determined by the EncodingMode property.

This method supports symmetric key and public key decryption. For more information on properties that affect decryption, such as CryptAlgorithm, CipherMode, etc., refer to the DecryptBd method documentation.

Returns 1 for success, 0 for failure.

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DecryptString
DecryptString(data As Variant) As String

Decrypts a previously encrypted string, using the Charset property to interpret the decrypted bytes as characters.

Returns Nothing on failure

More Information and Examples
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DecryptStringENC
DecryptStringENC(str As String) As String

This function is intended for use when the expected decrypted output is text. It decrypts binary encoded encrypted bytes passed in str and appends the resulting string to ARG2. Ensure that the Charset property, such as utf-8, matches the one used during encryption to interpret the decrypted bytes correctly as characters.

Input → Decode using EncodingMode → Decrypt → Interpret Bytes according to Charset → Output

The encoding (e.g. base64, hex, etc.) is determined by the EncodingMode property.

This method supports symmetric key and public key decryption. For more information on properties that affect decryption, such as CryptAlgorithm, CipherMode, etc., refer to the DecryptBd method documentation.

Returns Nothing on failure

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Encode
Encode(byteData As Variant, encoding As String) As String

Encode binary data to base64, hex, quoted-printable, or URL-encoding. The encoding can be set to any of the following strings: base64, hex, quoted-printable (or qp), url, base32, Q, B, url_rc1738, url_rfc2396, url_rfc3986, url_oauth, uu, modBase64, or html (for HTML entity encoding).

Returns Nothing on failure

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EncodeInt
EncodeInt(ByVal value As Long, ByVal numBytes As Long, ByVal littleEndian As Long, encoding As String) As String
Introduced in version 9.5.0.77

Encodes an integer to N bytes and returns in the specified encoding. If littleEndian is 1, then little-endian byte ordering is used. Otherwise big-endian byte order is used.

Returns Nothing on failure

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EncodeString
EncodeString(strToEncode As String, charsetName As String, toEncodingName As String) As String

Encodes a string. The toEncodingName can be set to any of the following strings: base64, hex, quoted-printable, url, base32, Q, B, url_rc1738, url_rfc2396, url_rfc3986, url_oauth, uu, modBase64, or html (for HTML entity encoding). The charsetName is important, and usually you'll want to specify ansi. For example, if the string ABC is to be encoded to hex using ANSI, the result will be 414243. However, if unicode is used, the result is 410042004300.

Returns Nothing on failure

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EncryptBd
EncryptBd(bd As ChilkatBinData) As Long
Introduced in version 9.5.0.67

Encrypts the contents of bd. This method can do either symmetric key encryption or CMS public key encryption (e.g., PKCS#7 EnvelopedData).

Before calling this method for symmetric key encryption (e.g., AES, ChaCha20, Blowfish, etc.), ensure the following setup:

  1. Define the encryption algorithm using the CryptAlgorithm property.
  2. Specify the encryption key length with the KeyLength property.
  3. Establish the cipher mode through the CipherMode property.
  4. Use the SetEncodedIV method to set the IV, if needed by the cipher mode.
  5. Set the encryption key with the SetEncodedKey method.
  6. Set the PaddingScheme property if needing something different than the default.

When calling this method for public key encryption (i.e. creating a PKCS7 CMS message), the following setup is required:

  1. The CryptAlgorithm property should be set to the string "pki".
  2. To specify the encryption certificate, use SetEncryptCert. For multiple certificates, call AddEncryptCert for each one.

Returns 1 for success, 0 for failure.

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EncryptBytes
EncryptBytes(data As Variant) As Variant

Encrypts a byte array. The minimal set of properties that should be set before encrypting are: CryptAlgorithm, SecretKey. Other properties that control encryption are: CipherMode, PaddingScheme, KeyLength, IV. When decrypting, all property settings must match otherwise garbled data is returned.

Returns a zero-length byte array (as a Variant) on failure.
An empty array will have a UBound of -1 meaning 0 elements.

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EncryptBytesENC
EncryptBytesENC(data As Variant) As String

Encrypts a byte array and returns the encrypted data as an encoded (printable) string. The minimal set of properties that should be set before encrypting are: CryptAlgorithm, SecretKey, EncodingMode. Other properties that control encryption are: CipherMode, PaddingScheme, KeyLength, IV. When decrypting, all property settings must match otherwise garbled data is returned. The encoding of the string that is returned is controlled by the EncodingMode property, which can be set to Base64, QP, or Hex.

Returns Nothing on failure

More Information and Examples
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EncryptEncoded
EncryptEncoded(str As String) As String

Encrypts binary-encoded data and returns it as a binary-encoded string. For example:

Input → Decode EncodingMode → Encrypt → Encode EncodingMode → Output

The encoding (e.g. base64, hex, etc.) is determined by the EncodingMode property.

This method supports symmetric key and public key decryption. For more information on properties that affect decryption, such as CryptAlgorithm, CipherMode, etc., refer to the method documentation.

Returns Nothing on failure

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EncryptSb
EncryptSb(sbIn As ChilkatStringBuilder, bdOut As ChilkatBinData) As Long
Introduced in version 9.5.0.67

Encrypts text and appends the encrypted bytes in bdOut. The Charset property, such as utf-8, determines the actual bytes that are encrypted.

StringBuilder → Get bytes according to Charset → Encrypt → Append to BinData

This method supports symmetric key and public key encryption. For more information on properties that affect encryption, such as CryptAlgorithm, CipherMode, etc., refer to the EncryptBd method documentation.

Returns 1 for success, 0 for failure.

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EncryptSecureENC
EncryptSecureENC(secureStr As ChilkatSecureString) As String
Introduced in version 9.5.0.71

Identical to EncryptStringENC, except the clear-text contained within the secureStr is encrypted and returned.

Returns Nothing on failure

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EncryptString
EncryptString(str As String) As Variant

Encrypts a string and returns the result as bytes, with the Charset property determining the specific byte encoding of what gets encrypted.

Returns a zero-length byte array (as a Variant) on failure.
An empty array will have a UBound of -1 meaning 0 elements.

More Information and Examples
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EncryptStringENC
EncryptStringENC(str As String) As String

Encrypts a string and returns the encrypted bytes as a binary encoded string. The EncodingMode property determines the binary encoding, such as base64, hex, hex_lower, base64url, base58, etc. The Charset property determines the actual bytes that are encrypted.

Returns Nothing on failure

More Information and Examples
Supported Binary EncodingsImportance of Charset when Encrypting or Decrypting Text(AutoIt) AES Encryption Example(Classic ASP) AES Encryption Example(PowerBuilder) AES Encryption Example(SQL Server) AES Encryption Example(VBScript) AES Encryption Example(Visual Basic 6.0) AES Encryption Example(Visual FoxPro) AES Encryption Example(AutoIt) Blowfish Encryption Example(Classic ASP) Blowfish Encryption Example(PowerBuilder) Blowfish Encryption Example(SQL Server) Blowfish Encryption Example(VBScript) Blowfish Encryption Example(Visual Basic 6.0) Blowfish Encryption Example(Visual FoxPro) Blowfish Encryption Example(AutoIt) 3DES Encryption Example(Classic ASP) 3DES Encryption Example(PowerBuilder) 3DES Encryption Example(SQL Server) 3DES Encryption Example(VBScript) 3DES Encryption Example(Visual Basic 6.0) 3DES Encryption Example(Visual FoxPro) 3DES Encryption Example(AutoIt) ARC4 Encryption Example(Classic ASP) ARC4 Encryption Example(PowerBuilder) ARC4 Encryption Example(SQL Server) ARC4 Encryption Example(VBScript) ARC4 Encryption Example(Visual Basic 6.0) ARC4 Encryption Example(Visual FoxPro) ARC4 Encryption Example(AutoIt) PBES1 Password-Based Encryption(Classic ASP) PBES1 Password-Based Encryption(PowerBuilder) PBES1 Password-Based Encryption(SQL Server) PBES1 Password-Based Encryption(VBScript) PBES1 Password-Based Encryption(Visual Basic 6.0) PBES1 Password-Based Encryption(Visual FoxPro) PBES1 Password-Based Encryption(AutoIt) PBES2 Password-Based Encryption(Classic ASP) PBES2 Password-Based Encryption(PowerBuilder) PBES2 Password-Based Encryption(SQL Server) PBES2 Password-Based Encryption(VBScript) PBES2 Password-Based Encryption(Visual Basic 6.0) PBES2 Password-Based Encryption(Visual FoxPro) PBES2 Password-Based Encryption(AutoIt) RC2 Encryption Example(Classic ASP) RC2 Encryption Example(PowerBuilder) RC2 Encryption Example(SQL Server) RC2 Encryption Example(VBScript) RC2 Encryption Example(Visual Basic 6.0) RC2 Encryption Example(Visual FoxPro) RC2 Encryption Example(AutoIt) Twofish Encryption Example(Classic ASP) Twofish Encryption Example(PowerBuilder) Twofish Encryption Example(SQL Server) Twofish Encryption Example(VBScript) Twofish Encryption Example(Visual Basic 6.0) Twofish Encryption Example(Visual FoxPro) Twofish Encryption ExampleLong Strings Returned by ActiveX Methods in SQL Server
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GenEncodedSecretKey
GenEncodedSecretKey(password As String, encoding As String) As String

Important: In the v9.5.0.49 release, a bug involving this method was introduced: The encoding is ignored and instead the encoding used is the current value of the EncodingMode property. The workaround is to make sure the EncodingMode property is set to the value of the desired output encoding. This problem will be fixed in v9.5.0.50.

Identical to the GenerateSecretKey method, except it returns the binary secret key as a string encoded according to encoding, which may be base64, hex, url, etc. Please see the documentation for GenerateSecretKey for more information.

Returns Nothing on failure

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GenerateUuid
GenerateUuid() As String
Introduced in version 9.5.0.55

Generates a random UUID string having standard UUID format, such as de305d54-75b4-431b-adb2-eb6b9e546014.

Note: This generates a version 4 UUID using random byte values. See RFC 4122.

Returns Nothing on failure

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GenRandomBytesENC
GenRandomBytesENC(ByVal numBytes As Long) As String

Generates numBytes random bytes and returns them as an encoded string. The encoding, such as base64, hex, etc. is controlled by the EncodingMode property.

Returns Nothing on failure

More Information and Examples
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GetEncodedAad
GetEncodedAad(encoding As String) As String
Introduced in version 9.5.0.55

Returns the authenticated additional data as an encoded string. The encoding argument can be set to any of the following strings: base64, hex, quoted-printable, or url.

The Aad is used when the CipherMode is gcm (Galois/Counter Mode), which is a mode valid for symmetric ciphers that have a block size of 16 bytes, such as AES or Twofish.

Returns Nothing on failure

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GetEncodedAuthTag
GetEncodedAuthTag(encoding As String) As String
Introduced in version 9.5.0.55

Returns the authentication tag as an encoded string. The encoding argument may be set to any of the following strings: base64, hex, quoted-printable, or url. The authentication tag is an output of authenticated encryption modes such as GCM when encrypting. When GCM mode decrypting, the authenticate tag is set by the application and is the expected result.

The authenticated tag plays a role when the CipherMode is gcm (Galois/Counter Mode), which is a mode valid for symmetric block ciphers that have a block size of 16 bytes, such as AES or Twofish.

Returns Nothing on failure

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GetEncodedIV
GetEncodedIV(encoding As String) As String

Returns the initialization vector as an encoded string. The encoding argument can be set to any of the following strings: base64, hex, quoted-printable, or url.

Returns Nothing on failure

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GetEncodedKey
GetEncodedKey(encoding As String) As String

Returns the secret key as an encoded string. The encoding argument can be set to any of the following strings: base64, hex, quoted-printable, or url.

Returns Nothing on failure

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GetEncodedSalt
GetEncodedSalt(encoding As String) As String

Returns the password-based encryption (PBE) salt bytes as an encoded string. The encoding argument can be set to any of the following strings: base64, hex, quoted-printable, or url.

Returns Nothing on failure

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GetLastJsonData
GetLastJsonData(json As ChilkatJsonObject)
Introduced in version 11.0.0

Provides information about what transpired in the last method called. For many methods, there is no information. For some methods, details about what transpired can be obtained via LastJsonData. For example, after calling a method to verify a signature, the LastJsonData will return JSON with details about the algorithms used for signature verification.

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GetSignatureSigningTimeStr
GetSignatureSigningTimeStr(ByVal index As Long) As String

This method retrieves the signing time of the Nth certificate used in a digital signature, after verification. The first certificate's signing time is at index index 0. The NumSignerCerts property indicates the total number of signing certificates (typically, only one is used).

Note: Before retrieving the signing time for a certificate, use the HasSignatureSigningTime method to check its availability. Skip indices without a signing time.

The signing time is returned in RFC822 string format.

Returns Nothing on failure

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GetSignedAttributes
GetSignedAttributes(ByVal signerIndex As Long, pkcs7Der As ChilkatBinData, sbJson As ChilkatStringBuilder) As Long
Introduced in version 9.5.0.75

Extracts the signed (authenticated) attributes for the Nth signer. In most cases, a signature has only one signer, and the signerIndex should equal 0 to specify the 1st (and only) signer.

The binary PKCS7 is passed in pkcs7Der. On success, the sbJson will contain the signed attributes in JSON format.

Sample JSON output:

{
  <code>signedAttributes</code>: [
    {
      <code>oid</code>: <code>1.2.840.113549.1.9.3</code>,
      <code>name</code>: <code>Content Type</code>
    },
    {
      <code>oid</code>: <code>1.2.840.113549.1.9.5</code>,
      <code>name</code>: <code>Signing Time</code>
    },
    {
      <code>oid</code>: <code>1.2.840.113549.1.9.4</code>,
      <code>name</code>: <code>Message Digest</code>
    },
    {
      <code>oid</code>: <code>1.2.840.113549.1.9.16.2.47</code>,
      <code>name</code>: <code>Signing Certificate V2</code>
    }
  ]
}

Returns 1 for success, 0 for failure.

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HashBdENC
HashBdENC(bd As ChilkatBinData) As String
Introduced in version 9.5.0.66

Hashes the bytes in bd and returns the hash as a binary-encoded string. The hash algorithm is determined by the HashAlgorithm property, while the encoding is specified by the EncodingMode property. Encoding options include base64, hex, base64url, or others listed at the link below.

Returns Nothing on failure

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HashBeginBytes
HashBeginBytes(data As Variant) As Long

To hash binary data in chunks, start by hashing the first chunk using this method. For additional chunks, use the HashMoreBytes method as needed. Complete the process with HashFinal or HashFinalENC to obtain the hash result. The hash algorithm used is determined by the HashAlgorithm property setting.

Returns 1 for success, 0 for failure.

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HashBeginString
HashBeginString(strData As String) As Long

To hash a large amount of text, start by processing the first chunk using this method. For subsequent chunks, use the HashMoreString method as needed. Conclude by calling HashFinal (or HashFinalENC) to obtain the final result. The hash algorithm is determined by the HashAlgorithm property setting.

Returns 1 for success, 0 for failure.

More Information and Examples
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HashBytes
HashBytes(data As Variant) As Variant

Hashes a byte array using the algorithm specified by the HashAlgorithm property.

Returns a zero-length byte array (as a Variant) on failure.
An empty array will have a UBound of -1 meaning 0 elements.

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HashBytesENC
HashBytesENC(data As Variant) As String

Hashes a byte array and returns the hash as a binary encoded string.

The hash algorithm is specified by the HashAlgorithm property, The encoding is controlled by the EncodingMode property, which can be set to base64, hex, base64url, or any of the encodings listed at the link below.

Returns Nothing on failure

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HashChunkBd
HashChunkBd(ByVal firstChunk As Long, bd As ChilkatBinData) As Long
Introduced in version 11.1.0

Start or continue hashing data in chunks. Set firstChunk to 1 for the first chunk, and 0 for subsequent chunks. Finish by calling HashFinalENC to obtain the result. The hash algorithm used is determined by the HashAlgorithm property.

Returns 1 for success, 0 for failure.

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HashFile
HashFile(path As String) As Variant

Hashes a file using the specified HashAlgorithm and returns the hash bytes. The file is processed in streaming mode, allowing any file size to be hashed efficiently while minimizing memory usage.

Returns a zero-length byte array (as a Variant) on failure.
An empty array will have a UBound of -1 meaning 0 elements.

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HashFileAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
HashFileAsync(path As String) As ChilkatTask

Creates an asynchronous task to call the HashFile method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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HashFileENC
HashFileENC(path As String) As String

Hashes a file and returns the hash as an encoded string.

The hash algorithm is specified by the HashAlgorithm property, The encoding is controlled by the EncodingMode property, which can be set to base64, hex, base64url, or any of the encodings listed at the link below.

Any size file is supported because the file is hashed internally in streaming mode (keeping memory usage low and constant).

Returns Nothing on failure

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HashFileENCAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
HashFileENCAsync(path As String) As ChilkatTask

Creates an asynchronous task to call the HashFileENC method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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HashFinal
HashFinal() As Variant

Finalizes a multi-step hash computation and returns the hash bytes.

Returns a zero-length byte array (as a Variant) on failure.
An empty array will have a UBound of -1 meaning 0 elements.

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HashFinalENC
HashFinalENC() As String

Finalizes a multi-step hash computation and returns the hash bytes encoded according to the EncodingMode property setting.

Returns Nothing on failure

More Information and Examples
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HashMoreBytes
HashMoreBytes(data As Variant) As Long
Introduced in version 9.5.0.82

Adds more bytes to the hash currently under computation. (See HashBeginBytes)

Returns 1 for success, 0 for failure.

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HashMoreString
HashMoreString(strData As String) As Long

Adds more text to the hash currently under computation. (See HashBeginString)

Returns 1 for success, 0 for failure.

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HashString
HashString(str As String) As Variant

Hashes a string using the Charset property to determine the bytes and returns the hash.

Returns a zero-length byte array (as a Variant) on failure.
An empty array will have a UBound of -1 meaning 0 elements.

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HashStringENC
HashStringENC(str As String) As String

Hashes a string and returns the hash bytes as an encoded string.

The hash algorithm is specified by the HashAlgorithm property, The encoding is controlled by the EncodingMode property, which can be set to base64, hex, base64url, or any of the encodings listed at the link below.

The Charset property controls the character encoding of the string that is hashed. Languages such as VB.NET, C#, and Visual Basic work with Unicode strings. If it is desired to hash Unicode directly (2 bytes/char) then set the Charset property to Unicode. To implicitly convert to another charset before hashing, set the Charset property to the desired charset. For example, if Charset is set to iso-8859-1, the input string is first implicitly converted to iso-8859-1 (1 byte per character) before hashing. The full list of supported charsets is listed in the EncryptString method description.

Returns Nothing on failure

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HasSignatureSigningTime
HasSignatureSigningTime(ByVal index As Long) As Long

This method can be called after a digital signature has been verified by one of the Verify* methods. Returns 1 if a signing time for the Nth certificate is available and can be retrieved by either the GetSignatureSigningTime or GetSignatureSigningTimeStr methods.

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Hotp
Hotp(secret As String, secretEnc As String, counterHex As String, ByVal numDigits As Long, ByVal truncOffset As Long, hashAlg As String) As String
Introduced in version 9.5.0.77

Implements RFC 4226: HOTP: An HMAC-Based One-Time Password Algorithm. The arguments to this method are:

  • secret: The shared secret in an enocded representation such as base64, hex, ascii, etc.
  • secretEnc: The encoding of the shared secret, such as base64
  • counterHex: The 8-byte counter in hexidecimal format.
  • numDigits: The number of decimal digits to return.
  • truncOffset: Normally set this to -1 for dynamic truncation. Otherwise can be set in the range 0..15.
  • hashAlg: Normally set to sha1. Can be set to other hash algorithms such as sha256, sha512, etc.

Returns Nothing on failure

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LastDecryptCert
LastDecryptCert(cert As ChilkatCert) As Long
Introduced in version 11.0.0

Returns in cert the last certificate used for public-key decryption.

Returns 1 for success, 0 for failure.

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LastSignerCert
LastSignerCert(ByVal index As Long, cert As ChilkatCert) As Long
Introduced in version 11.0.0

Returns the Nth certificate used for signing in cert. This method can be called after verifying a digital signature to get the signer certs. The 1st certificate is at index 0. The NumSignerCerts property contains the total number of signing certificates. (Typically, a single certificate is used in creating a digital signature.)

Returns 1 for success, 0 for failure.

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LoadTaskCaller
LoadTaskCaller(task As ChilkatTask) As Long
Introduced in version 9.5.0.80

Loads the caller of the task's async method.

Returns 1 for success, 0 for failure.

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MacBdENC
MacBdENC(bd As ChilkatBinData) As String
Introduced in version 9.5.0.66

Computes a Message Authentication Code (MAC) for the bytes in bd using the algorithm defined in the MacAlgorithm property. The result is then encoded to a string using the format specified by the EncodingMode property (e.g., base64, hex). The HashAlgorithm property setting determines the hash algorithm used internally. (A MAC algorithm like HMAC uses a hash function such as SHA-256 internally, along with a secret key, to create a secure and verifiable digest.)

Returns Nothing on failure

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MacBytes
MacBytes(inBytes As Variant) As Variant
Introduced in version 9.5.0.55

Computes a Message Authentication Code using the algorithm defined in the MacAlgorithm property. The HashAlgorithm property setting determines the hash algorithm used internally. (A MAC algorithm like HMAC uses a hash function such as SHA-256 internally, along with a secret key, to create a secure and verifiable digest.)

Returns a zero-length byte array (as a Variant) on failure.
An empty array will have a UBound of -1 meaning 0 elements.

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MacBytesENC
MacBytesENC(inBytes As Variant) As String

Computes a Message Authentication Code using the MAC algorithm specified in the MacAlgorithm property. The result is encoded to a string using the encoding (base64, hex, etc.) specified by the EncodingMode property.

Returns Nothing on failure

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MacString
MacString(inText As String) As Variant
Introduced in version 9.5.0.55

Computes a Message Authentication Code using the specified MacAlgorithm property. The Charset property determines the actual bytes presented to the MAC algorithm. The HashAlgorithm property setting determines the hash algorithm used internally. (A MAC algorithm like HMAC uses a hash function such as SHA-256 internally, along with a secret key, to create a secure and verifiable digest.)

Returns a zero-length byte array (as a Variant) on failure.
An empty array will have a UBound of -1 meaning 0 elements.

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MacStringENC
MacStringENC(inText As String) As String
Introduced in version 9.5.0.55

Computes a Message Authentication Code using the MAC algorithm specified in the MacAlgorithm property. The result is encoded to a string using the encoding (base64, hex, etc.) specified by the EncodingMode property.

Returns Nothing on failure

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MySqlAesDecrypt
MySqlAesDecrypt(strEncryptedHex As String, strPassword As String) As String

Matches MySQL's AES_DECRYPT function. strEncryptedHex is a hex-encoded string of the AES encrypted data. The return value is the original unencrypted string.

Returns Nothing on failure

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MySqlAesEncrypt
MySqlAesEncrypt(strData As String, strPassword As String) As String

Matches MySQL's AES_ENCRYPT function. The return value is a hex-encoded string of the encrypted data. The equivalent call in MySQL would look like this: HEX(AES_ENCRYPT('The quick brown fox jumps over the lazy dog','password'))

Returns Nothing on failure

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OpaqueSignBd
OpaqueSignBd(bd As ChilkatBinData) As Long
Introduced in version 9.5.0.67

Digitally signs the contents of bd. If successful, the contents of bd are replaced with the PKCS#7 signed-data, which embeds the original data within the signature. Ensure a certificate is set using SetSigningCert before invoking this method. The HashAlgorithm property specifies the hash algorithm for creating the data's hash during signing.

Returns 1 for success, 0 for failure.

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OpaqueSignBdAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
OpaqueSignBdAsync(bd As ChilkatBinData) As ChilkatTask
Introduced in version 9.5.0.67

Creates an asynchronous task to call the OpaqueSignBd method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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OpaqueSignBytes
OpaqueSignBytes(data As Variant) As Variant

Digitally signs a binary data and returns the signature in PKCS#7 signed-data format, which embeds the original data within the signature. Ensure a certificate is set using SetSigningCert before invoking this method. The HashAlgorithm property specifies the hash algorithm for creating the data's hash during signing.

Returns a zero-length byte array (as a Variant) on failure.
An empty array will have a UBound of -1 meaning 0 elements.

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OpaqueSignBytesAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
OpaqueSignBytesAsync(data As Variant) As ChilkatTask

Creates an asynchronous task to call the OpaqueSignBytes method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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OpaqueSignBytesENC
OpaqueSignBytesENC(data As Variant) As String

Digitally signs a binary data and returns a PKCS#7 signed-data signature binary-encoded as a string. The returned signature embeds the original data. Ensure to set a certificate by calling SetSigningCert beforehand. The EncodingMode property determines the output encoding such as base64, hex, base64_mime, etc. The HashAlgorithm property specifies the hash algorithm for creating the data's hash during signing.

Returns Nothing on failure

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OpaqueSignBytesENCAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
OpaqueSignBytesENCAsync(data As Variant) As ChilkatTask

Creates an asynchronous task to call the OpaqueSignBytesENC method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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OpaqueSignString
OpaqueSignString(str As String) As Variant

Digitally signs a string and returns PKCS#7 signed-data. The Charset property determines the actual bytes that are hashed and signed. The HashAlgorithm property specifies the hash algorithm for creating the data's hash during signing.

Returns a zero-length byte array (as a Variant) on failure.
An empty array will have a UBound of -1 meaning 0 elements.

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OpaqueSignStringAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
OpaqueSignStringAsync(str As String) As ChilkatTask

Creates an asynchronous task to call the OpaqueSignString method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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OpaqueSignStringENC
OpaqueSignStringENC(str As String) As String

Digitally signs a string and returns PKCS#7 signed-data as a binary encoded string. The EncodingMode property determines the binary encoding, such as base64, hex, hex_lower, base64_mime, etc. The Charset property determines the actual bytes that are hashed and signed. The HashAlgorithm property specifies the hash algorithm for creating the data's hash during signing.

Returns Nothing on failure

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OpaqueSignStringENCAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
OpaqueSignStringENCAsync(str As String) As ChilkatTask

Creates an asynchronous task to call the OpaqueSignStringENC method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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OpaqueVerifyBd
OpaqueVerifyBd(bd As ChilkatBinData) As Long
Introduced in version 9.5.0.67

The method performs in-place verification of the PKCS#7 signed-data content of bd. If the signature is successfully verified, the content of bd is replaced with the original data, and the method returns 1. If verification fails, bd remains unchanged, and the method returns 0. Afterwards, you can retrieve signer certificates by using the NumSignerCerts property and the GetSignerCert method.

Returns 1 for success, 0 for failure.

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OpaqueVerifyBytes
OpaqueVerifyBytes(p7m As Variant) As Variant

Verifies a PKCS#7 signed-data signature and returns the original data. If the signature fails verification, the returned data will be empty. Afterwards, you can retrieve signer certificates by using the NumSignerCerts property and the GetSignerCert method.

Returns a zero-length byte array (as a Variant) on failure.
An empty array will have a UBound of -1 meaning 0 elements.

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OpaqueVerifyBytesENC
OpaqueVerifyBytesENC(p7m As String) As Variant

Verifies a PKCS#7 signed-data signature and returns the original data. If the signature fails verification, the returned data will be empty. The p7m is a binary-encoded string, using the encoding set by the EncodingMode property. Afterwards, you can retrieve signer certificates by using the NumSignerCerts property and the GetSignerCert method.

Returns a zero-length byte array (as a Variant) on failure.
An empty array will have a UBound of -1 meaning 0 elements.

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OpaqueVerifyString
OpaqueVerifyString(p7m As Variant) As String

This function verifies a PKCS#7 signed-data signature and returns the original text data. If the signature does not verify successfully, it returns an empty string. The Charset property specifies how the original data bytes are converted to characters. You can obtain signer certificates using the NumSignerCerts property and the GetSignerCert method.

Returns Nothing on failure

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OpaqueVerifyStringENC
OpaqueVerifyStringENC(p7m As String) As String

This function verifies a PKCS#7 signed-data binary-encoded signature and returns the original text data. The EncodingMode property determines how p7m is decoded to bytes. If the signature does not verify successfully, it returns an empty string. The Charset property specifies how the original data bytes are converted to characters. You can obtain signer certificates using the NumSignerCerts property and the GetSignerCert method.

Returns Nothing on failure

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Pbkdf1
Pbkdf1(password As String, charset As String, hashAlg As String, salt As String, ByVal iterationCount As Long, ByVal outputKeyBitLen As Long, encoding As String) As String

Implements the PBKDF1 algorithm (Password Based Key Derivation Function #1). The password is converted to the character encoding represented by charset before being passed (internally) to the key derivation function. The hashAlg may be md5, sha1, md2, etc. The salt should be random data at least 8 bytes (64 bits) in length. (The GenRandomBytesENC method is good for generating a random salt value.) The iterationCount should be no less than 1000. The length (in bits) of the derived key output by this method is controlled by outputKeyBitLen. The encoding argument may be base64, hex, etc. It controls the encoding of the output, and the expected encoding of the salt. The derived key is returned.

Note: Starting in version 9.5.0.47, if the charset is set to one of the keywords hex or base64, then the password will be considered binary data that is hex or base64 encoded. The bytes will be decoded and used directly as a binary password.

Returns Nothing on failure

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Pbkdf2
Pbkdf2(password As String, charset As String, hashAlg As String, salt As String, ByVal iterationCount As Long, ByVal outputKeyBitLen As Long, encoding As String) As String

Implements the PBKDF2 algorithm as follows:

  1. Convert password to the character encoding specified by charset before using it in the key derivation function.
  2. hashAlg specifies the hash algorithm. Options include sha256, sha384, sha512, md5, sha1, md2, or any algorithm listed in the HashAlgorithm property.
  3. Provide a random salt value that is at least 8 bytes (64 bits) long. Use methods like GenRandomBytesENC to generate this salt value.
  4. Ensure iterationCount is 1000 or greater.
  5. Control the length of the derived key output using outputKeyBitLen.
  6. Set encoding to specify the encoding format for the output and the expected encoding for salt. Options include base64 and hex.

The derived key is the output of this process. Internally, PBKDF2 uses a pseudorandom function (PRF), specifically a keyed HMAC. The hash algorithm chosen with hashAlg dictates this PRF; for example, SHA256 uses HMAC-SHA256, while SHA1 uses HMAC-SHA1.

Note: If charset is hex or base64, password is treated as binary data. It will be decoded and used directly as a binary password. SHA256 uses HMAC-SHA256, while SHA1 uses HMAC-SHA1.

PBKDF1 and PBKDF2 are both key derivation functions used to strengthen passwords for cryptographic purposes, but PBKDF2 is the improved version.

  • PBKDF1: Older and limited—it can only generate small keys (up to the hash function’s output size), making it less flexible and secure.
  • PBKDF2: More advanced—it can generate longer keys, is more resistant to attacks, and is widely recommended for modern security needs.

In short, PBKDF2 is stronger and more versatile than PBKDF1.

Returns Nothing on failure

More Information and Examples
(AutoIt) PBKDF2 - Derive Key from Password(Classic ASP) PBKDF2 - Derive Key from Password(PowerBuilder) PBKDF2 - Derive Key from Password(SQL Server) PBKDF2 - Derive Key from Password(VBScript) PBKDF2 - Derive Key from Password(Visual Basic 6.0) PBKDF2 - Derive Key from Password(Visual FoxPro) PBKDF2 - Derive Key from Password(AutoIt) WPA Key Calculation from PassPhrase to Hex(Classic ASP) WPA Key Calculation from PassPhrase to Hex(PowerBuilder) WPA Key Calculation from PassPhrase to Hex(SQL Server) WPA Key Calculation from PassPhrase to Hex(VBScript) WPA Key Calculation from PassPhrase to Hex(Visual Basic 6.0) WPA Key Calculation from PassPhrase to Hex(Visual FoxPro) WPA Key Calculation from PassPhrase to Hex(AutoIt) Duplicate .NET's Rfc2898DeriveBytes Functionality(Classic ASP) Duplicate .NET's Rfc2898DeriveBytes Functionality(PowerBuilder) Duplicate .NET's Rfc2898DeriveBytes Functionality(SQL Server) Duplicate .NET's Rfc2898DeriveBytes Functionality(VBScript) Duplicate .NET's Rfc2898DeriveBytes Functionality(Visual Basic 6.0) Duplicate .NET's Rfc2898DeriveBytes Functionality(Visual FoxPro) Duplicate .NET's Rfc2898DeriveBytes Functionality(AutoIt) AES 256-bit CBC using PBKDF2 Generated Secret Key(Classic ASP) AES 256-bit CBC using PBKDF2 Generated Secret Key(PowerBuilder) AES 256-bit CBC using PBKDF2 Generated Secret Key(SQL Server) AES 256-bit CBC using PBKDF2 Generated Secret Key(VBScript) AES 256-bit CBC using PBKDF2 Generated Secret Key(Visual Basic 6.0) AES 256-bit CBC using PBKDF2 Generated Secret Key(Visual FoxPro) AES 256-bit CBC using PBKDF2 Generated Secret Key(AutoIt) BIP39 Compute Binary Seed from Mnemonic(Classic ASP) BIP39 Compute Binary Seed from Mnemonic(PowerBuilder) BIP39 Compute Binary Seed from Mnemonic(SQL Server) BIP39 Compute Binary Seed from Mnemonic(VBScript) BIP39 Compute Binary Seed from Mnemonic(Visual Basic 6.0) BIP39 Compute Binary Seed from Mnemonic(Visual FoxPro) BIP39 Compute Binary Seed from Mnemonic
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RandomizeIV
RandomizeIV()

Sets the initialization vector to a random value.

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RandomizeKey
RandomizeKey()

Sets the secret key to a random value.

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ReEncode
ReEncode(encodedData As String, fromEncoding As String, toEncoding As String) As String

This tool allows for conversion between different encodings, such as from base64 to hex. It's particularly useful in programming environments where handling byte arrays is cumbersome. The encodings that can be specified for fromEncoding and toEncoding include: Base64, base64Url, modBase64, Base32, Base58, UU, QP (quoted-printable), URL (URL-encoding), Hex, Q, B, url_oauth, url_rfc1738, url_rfc2396, and url_rfc3986. Note that these encodings are case-insensitive.

Returns Nothing on failure

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SetDecryptCert
SetDecryptCert(cert As ChilkatCert) As Long

Sets the digital certificate to be used for decryption when the CryptAlgorithm property is set to PKI. A private key is required for decryption. Because this method only specifies the certificate, a prerequisite is that the certificate w/ private key must have been pre-installed on the computer. Private keys are stored in the Windows Protected Store (either a user account specific store, or the system-wide store). The Chilkat component will automatically locate and find the certificate's corresponding private key from the protected store when decrypting.

Returns 1 for success, 0 for failure.

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SetDecryptCert2
SetDecryptCert2(cert As ChilkatCert, key As PrivateKey) As Long

Sets the digital certificate to be used for decryption when the CryptAlgorithm property is set to PKI. The private key is supplied in the 2nd argument to this method, so there is no requirement that the certificate be pre-installed on a computer before decrypting (if this method is called).

Returns 1 for success, 0 for failure.

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SetEncodedAad
SetEncodedAad(aadStr As String, encoding As String) As Long
Introduced in version 9.5.0.55

Sets the authenticated additional data from an encoded string. The authenticated additional data (AAD), if any, is used in authenticated encryption modes such as GCM. The aadStr argument can be set to any of the following strings: base64, hex, quoted-printable, ascii, or url.

The Aad is used when the CipherMode is gcm (Galois/Counter Mode), which is a mode valid for symmetric ciphers that have a block size of 16 bytes, such as AES or Twofish.

Returns 1 for success, 0 for failure.

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SetEncodedAuthTag
SetEncodedAuthTag(authTagStr As String, encoding As String) As Long
Introduced in version 9.5.0.55

Sets the expected authenticated tag from an encoded string. The authenticated tag is used in authenticated encryption modes such as GCM. An application would set the expected authenticated tag prior to decrypting. The authTagStr argument can be set to any of the following strings: base64, hex, quoted-printable, ascii, or url.

The authenticated tag plays a role when the CipherMode is gcm (Galois/Counter Mode), which is a mode valid for symmetric block ciphers that have a block size of 16 bytes, such as AES or Twofish.

Note: You can set the authenticated tag to the special value FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF (16 0xFF bytes) to prevent Chilkat from checking the auth tag after decrypting.

Returns 1 for success, 0 for failure.

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SetEncodedIV
SetEncodedIV(ivStr As String, encoding As String)

Sets the initialization vector from an encoded string. The encoding argument can be set to any of the following strings: base64, hex, quoted-printable, ascii, or url.

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SetEncodedKey
SetEncodedKey(keyStr As String, encoding As String)

Sets the secret key from an encoded string. The encoding argument can be set to any of the following strings: base64, hex, quoted-printable, ascii, or url.

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SetEncodedSalt
SetEncodedSalt(saltStr As String, encoding As String)

Sets the password-based encryption (PBE) salt bytes from an encoded string. The encoding argument can be set to any of the following strings: base64, hex, quoted-printable, ascii, or url.

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SetEncryptCert
SetEncryptCert(cert As ChilkatCert) As Long

Tells the encryption library to use a specific digital certificate for public-key encryption. To encrypt with multiple certificates, call AddEncryptCert once for each certificate. (Calling this method is the equivalent of calling ClearEncryptCerts followed by AddEncryptCert.)

Returns 1 for success, 0 for failure.

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SetMacKeyBytes
SetMacKeyBytes(keyBytes As Variant) As Long
Introduced in version 9.5.0.55

Sets the MAC key to be used for one of the Mac methods.

Returns 1 for success, 0 for failure.

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SetMacKeyEncoded
SetMacKeyEncoded(key As String, encoding As String) As Long
Introduced in version 9.5.0.55

Sets the MAC key to be used for one of the Mac methods. The encoding can be set to any of the following strings: base64, hex, quoted-printable, or url.

Returns 1 for success, 0 for failure.

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SetMacKeyString
SetMacKeyString(key As String) As Long
Introduced in version 9.5.0.55

Sets the MAC key to be used for one of the Mac methods.

Returns 1 for success, 0 for failure.

More Information and Examples
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SetSecretKeyViaPassword
SetSecretKeyViaPassword(password As String)

Accepts a password string and (internally) generates a binary secret key of the appropriate bit length and sets the SecretKey property. This method should only be used if you are using Chilkat for both encryption and decryption because the password-to-secret-key algorithm would need to be identical for the decryption to match the encryption.

There is no minimum or maximum password length. The password string is transformed to a binary secret key by computing the MD5 digest (of the utf-8 password) to obtain 16 bytes. If the KeyLength is greater than 16 bytes, then the MD5 digest of the Base64 encoding of the utf-8 password is added. A max of 32 bytes of key material is generated, and this is truncated to the actual KeyLength required. The example below shows how to manually duplicate the computation.

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SetSigningCert
SetSigningCert(cert As ChilkatCert) As Long

Specifies a certificate to be used when creating PKCS7 digital signatures. Signing requires both a certificate and private key. In this case, the private key is implicitly specified if the certificate originated from a PFX that contains the corresponding private key, or if on a Windows-based computer where the certificate and corresponding private key are pre-installed. (If a PFX file is used, it is provided via the AddPfxSourceFile or AddPfxSourceData methods.)

Returns 1 for success, 0 for failure.

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SetSigningCert2
SetSigningCert2(cert As ChilkatCert, privateKey As PrivateKey) As Long

Specifies a digital certificate and private key to be used for creating PKCS7 digital signatures.

Returns 1 for success, 0 for failure.

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SetTsaHttpObj
SetTsaHttpObj(http As ChilkatHttp)

Sets the timestamp authority (TSA) options for cases where a CAdES-T signature is to be created. The http is used to send the requests, and it allows for connection related settings and timeouts to be set. For example, if HTTP or SOCKS proxies are required, these features can be specified on the http.

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SetVerifyCert
SetVerifyCert(cert As ChilkatCert) As Long

Sets the digital certificate to be used in verifying a signature. In virtually all cases, a PKCS7 (CMS) signature already embeds the signing certificate information, and it is not necessary to explicitly call this method to specify the verification certificate. It is only needed in rare cases.

Returns 1 for success, 0 for failure.

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SignBdENC
SignBdENC(dataToSign As ChilkatBinData) As String
Introduced in version 9.5.0.67

Digitally signs the content in dataToSign and returns a detached signature (PKCS#7 signed-data) as a binary-encoded string. The EncodingMode property determines the binary-encoding. Possible encodings include base64, base64_mime, hex, and hex_lower. The HashAlgorithm property specifies the hash algorithm for creating the data's hash during signing.

Returns Nothing on failure

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SignBdENCAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
SignBdENCAsync(dataToSign As ChilkatBinData) As ChilkatTask
Introduced in version 9.5.0.67

Creates an asynchronous task to call the SignBdENC method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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SignBytes
SignBytes(data As Variant) As Variant

Digitally signs binary data and returns the binary detached signature (PKCS#7 signed-data). The HashAlgorithm property specifies the hash algorithm for creating the data's hash during signing.

Returns a zero-length byte array (as a Variant) on failure.
An empty array will have a UBound of -1 meaning 0 elements.

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SignBytesAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
SignBytesAsync(data As Variant) As ChilkatTask

Creates an asynchronous task to call the SignBytes method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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SignBytesENC
SignBytesENC(data As Variant) As String

Digitally signs binary data and returns a detached signature (PKCS#7 signed-data) as a binary-encoded string. The EncodingMode property determines the binary-encoding. Possible encodings include base64, base64_mime, hex, and hex_lower. The HashAlgorithm property specifies the hash algorithm for creating the data's hash during signing.

Returns Nothing on failure

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SignBytesENCAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
SignBytesENCAsync(data As Variant) As ChilkatTask

Creates an asynchronous task to call the SignBytesENC method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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SignHashENC
SignHashENC(encodedHash As String, hashAlg As String, hashEncoding As String) As String
Introduced in version 9.5.0.90

Digitally signs a pre-computed hash and returns a detached signature (PKCS#7 signed-data) as a binary-encoded string. The EncodingMode property determines the binary-encoding. Possible encodings include base64, base64_mime, hex, and hex_lower

encodedHash is a binary-encoded hash to be signed, with its encoding format specified by hashEncoding (e.g., base64, hex). hashAlg specifies the hash algorithm (e.g., sha256, sha1, sha512) used for encodedHash.

Returns Nothing on failure

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SignHashENCAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
SignHashENCAsync(encodedHash As String, hashAlg As String, hashEncoding As String) As ChilkatTask
Introduced in version 9.5.0.90

Creates an asynchronous task to call the SignHashENC method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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SignSbENC
SignSbENC(sb As ChilkatStringBuilder) As String
Introduced in version 9.5.0.67

Digitally signs the text contained in sb and returns a detached signature (PKCS#7 signed-data) as a binary-encoded string. The EncodingMode property determines the binary-encoding. Possible encodings include base64, base64_mime, hex, and hex_lower. The HashAlgorithm property specifies the hash algorithm for creating the data's hash during signing. The Charset property determines the actual bytes that are hashed and signed.

Returns Nothing on failure

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SignSbENCAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
SignSbENCAsync(sb As ChilkatStringBuilder) As ChilkatTask
Introduced in version 9.5.0.67

Creates an asynchronous task to call the SignSbENC method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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SignString
SignString(str As String) As Variant

Digitally signs a string and returns a the binary detached signature (PKCS#7 signed-data). The HashAlgorithm property specifies the hash algorithm for creating the data's hash during signing. The Charset property determines the actual bytes that are hashed and signed.

Returns a zero-length byte array (as a Variant) on failure.
An empty array will have a UBound of -1 meaning 0 elements.

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SignStringAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
SignStringAsync(str As String) As ChilkatTask

Creates an asynchronous task to call the SignString method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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SignStringENC
SignStringENC(str As String) As String

Digitally signs a string and returns a detached signature (PKCS#7 signed-data) as a binary-encoded string. The EncodingMode property determines the binary-encoding. Possible encodings include base64, base64_mime, hex, and hex_lower. The HashAlgorithm property specifies the hash algorithm for creating the data's hash during signing. The Charset property determines the actual bytes that are hashed and signed.

Returns Nothing on failure

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SignStringENCAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
SignStringENCAsync(str As String) As ChilkatTask

Creates an asynchronous task to call the SignStringENC method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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Totp
Totp(secret As String, secretEnc As String, t0 As String, tNow As String, ByVal tStep As Long, ByVal numDigits As Long, ByVal truncOffset As Long, hashAlg As String) As String
Introduced in version 9.5.0.77

Implements RFC 6238: TOTP: Time-Based One-Time Password Algorithm. The arguments to this method are:

  • secret: The shared secret in an enocded representation such as base64, hex, ascii, etc.
  • secretEnc: The encoding of the shared secret, such as base64
  • t0: The Unix time to start counting time steps. It is a number in decimal string form. A Unix time is the number of seconds elapsed since midnight UTC of January 1, 1970. 0 is a typical value used for this argument.
  • tNow: The current Unix time in decimal string form. To use the current system date/time, pass an empty string for this argument.
  • tStep: The time step in seconds. A typical value is 30. Note: Both client and server must pre-agree on the secret, the t0, and the tStep.
  • numDigits: The number of decimal digits to return.
  • truncOffset: Normally set this to -1 for dynamic truncation. Otherwise can be set in the range 0..15.
  • hashAlg: Normally set to sha1. Can be set to other hash algorithms such as sha256, sha512, etc.

Returns Nothing on failure

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UseCertVault
UseCertVault(vault As ChilkatXmlCertVault) As Long
Introduced in version 9.5.0.40

Adds an XML certificate vault to the object's internal list of sources to be searched for certificates and private keys when encrypting/decrypting or signing/verifying. Unlike the AddPfxSourceData and AddPfxSourceFile methods, only a single XML certificate vault can be used. If UseCertVault is called multiple times, only the last certificate vault will be used, as each call to UseCertVault will replace the certificate vault provided in previous calls.

Returns 1 for success, 0 for failure.

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VerifyBdENC
VerifyBdENC(data As ChilkatBinData, encodedSig As String) As Long
Introduced in version 9.5.0.67

Verifies a detached digital signature against the original data contained in data. Returns 1 if the signature is verified. The encodedSig holds a binary-encoded PKCS#7 signed-data detached signature. The type of binary encoding, such as base64, hex, or base64_mime, is determined by the EncodingMode property.

Afterwards, you can retrieve signer certificates by using the NumSignerCerts property and the GetSignerCert method.

Returns 1 for success, 0 for failure.

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VerifyBytes
VerifyBytes(data As Variant, sig As Variant) As Long

Verifies a detached digital signature against the original binary data. Returns 1 if the signature is verified.

Afterwards, you can retrieve signer certificates by using the NumSignerCerts property and the GetSignerCert method.

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VerifyBytesENC
VerifyBytesENC(data As Variant, encodedSig As String) As Long

Verifies a detached digital signature against the original binary data. Returns 1 if the signature is verified. The encodedSig holds a binary-encoded PKCS#7 signed-data detached signature. The type of binary encoding, such as base64, hex, or base64_mime, is determined by the EncodingMode property.

Afterwards, you can retrieve signer certificates by using the NumSignerCerts property and the GetSignerCert method.

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VerifyP7M
VerifyP7M(p7mPath As String, destPath As String) As Long

Verifies an opaque digital signature contained in a .p7m file and extracts the original data to destPath. Returns 1 if the .p7m is validated and the original data was extracted. Otherwise returns 0.

Afterwards, you can retrieve signer certificates by using the NumSignerCerts property and the GetSignerCert method.

Returns 1 for success, 0 for failure.

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VerifyP7S
VerifyP7S(originalDataPath As String, p7sPath As String) As Long

Verifies a detached digital signature contained in a .p7s file against the original data contained in originalDataPath. Returns 1 if the signature is verified.

Afterwards, you can retrieve signer certificates by using the NumSignerCerts property and the GetSignerCert method.

Returns 1 for success, 0 for failure.

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VerifySbENC
VerifySbENC(sb As ChilkatStringBuilder, encodedSig As String) As Long
Introduced in version 9.5.0.67

Verifies a detached digital signature against the original text contained in sb. Returns 1 if the signature is verified. The encodedSig holds a binary-encoded PKCS#7 signed-data detached signature. The type of binary encoding, such as base64, hex, or base64_mime, is determined by the EncodingMode property. The Charset property determines how the text in sb is converted to bytes for signature validation.

Afterwards, you can retrieve signer certificates by using the NumSignerCerts property and the GetSignerCert method.

Returns 1 for success, 0 for failure.

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VerifyString
VerifyString(str As String, sig As Variant) As Long

Verifies a detached digital signature against the original text in str. Returns 1 if the signature is verified. The sig holds a binary PKCS#7 signed-data detached signature. The Charset property determines how the text in str is converted to bytes for signature validation.

Afterwards, you can retrieve signer certificates by using the NumSignerCerts property and the GetSignerCert method.

Returns 1 for success, 0 for failure.

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VerifyStringENC
VerifyStringENC(str As String, encodedSig As String) As Long

Verifies a detached digital signature against the original text in str. Returns 1 if the signature is verified. The encodedSig holds a binary-encoded PKCS#7 signed-data detached signature. The type of binary encoding, such as base64, hex, or base64_mime, is determined by the EncodingMode property. The Charset property determines how the text in str is converted to bytes for signature validation.

Afterwards, you can retrieve signer certificates by using the NumSignerCerts property and the GetSignerCert method.

Returns 1 for success, 0 for failure.

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XtsSetDataUnitNumber
XtsSetDataUnitNumber(ByVal loUint32 As Long, ByVal hiUint32 As Long)
Introduced in version 9.5.0.91

Sets the XTS-AES mode data unit number. The data unit number is a 64-bit unsigned integer. It is passed in as two 32-bit unsigned integers representing the high and low 32-bits.

Setting the data unit number is one way of setting the tweak value. The tweak value is 16 bytes in length and can alternatively be set by calling XtsSetEncodedTweakValue.

This method sets the tweak value such that the first 8 bytes are composed of the little-endian 64-bit data unit number, followed by 8 zero bytes.

(Unfortunately, Chilkat cannot use 64-bit integers in method arguments because many older programming environments, such as ActiveX, do not support it. Chilkat must present an identical and uniform API across all programming languages.)

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XtsSetEncodedTweakKey
XtsSetEncodedTweakKey(key As String, encoding As String)
Introduced in version 9.5.0.91

Sets the XTS-AES mode tweak key from an encoded string. The encoding argument can be set to any of the following strings: base64, hex, quoted-printable, ascii, or url. The tweak key should be equal in size to the encryption key. For example, to do 256-bit AES-XTS, the encryption key is 256-bits, and the tweak key is also 256-bits.

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XtsSetEncodedTweakValue
XtsSetEncodedTweakValue(tweak As String, encoding As String)
Introduced in version 9.5.0.91

Sets the XTS-AES mode tweak value from an encoded string. The encoding argument can be set to any of the following strings: base64, hex, quoted-printable, ascii, or url.

The tweak value must be 16 bytes in length. An application can set the initial tweak value by calling this method, or by calling XtsSetDataUnitNumber (but not both).

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Events

AbortCheck
AbortCheck(abort As Long)

Provides the opportunity for a method call to be aborted. The AbortCheck event is fired periodically based on the value of the HeartbeatMs property. If HeartbeatMs is 0, then no AbortCheck events will fire. As an example, to fire 5 AbortCheck events per second, set the HeartbeatMs property equal to 200.

VB6 Event callback implementation:

Important: Event callbacks from asynchronous method calls are generally not possible from the ActiveX. See VB6 Async Callbacks

Dim WithEvents myCrypt As ChilkatCrypt2

Private Sub myCrypt_AbortCheck(abort As Long)

	'Insert application code here.

End Sub
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PercentDone
PercentDone(ByVal pctDone As Long, abort As Long)

Provides the percentage completed for any method that involves network communications or time-consuming processing (assuming it is a method where a percentage completion can be measured). This event is only fired when it is possible to know a percentage completion, and when it makes sense to express the operation as a percentage completed. The pctDone argument will have a value from 1 to 100. For operations (Chilkat method calls) that complete very quickly, the number of PercentDone callbacks will vary, but the final callback should have a value of 100. For long running operations, no more than one callback per percentage point will occur (for example: 1, 2, 3, ... 98, 99, 100).

The PercentDone callback counts as an AbortCheck event. For method calls that complete quickly such that PercentDone events fire, it may be that AbortCheck events don't fire because the opportunity to abort is already provided in the PercentDone callback. For time consuming operations, where the amount of time between PercentDone callbacks are long, AbortCheck callbacks may be used to allow for the operation to be aborted in a more responsive manner.

The abort output argument provides a means for aborting the operation. Setting it to 1 will cause the method to abort and return a failed status (or whatever return value indicates failure).

VB6 Event callback implementation:

Important: Event callbacks from asynchronous method calls are generally not possible from the ActiveX. See VB6 Async Callbacks

Dim WithEvents myCrypt As ChilkatCrypt2

Private Sub myCrypt_PercentDone(ByVal pctDone As Long, abort As Long)

	'Insert application code here.

End Sub
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ProgressInfo
ProgressInfo(ByVal name As String, ByVal value As String)

A general name/value event that provides information about what is happening during a method call. To find out what information is available, write code to handle this event and log the name/value pairs. Most are self-explanatory.

VB6 Event callback implementation:

Important: Event callbacks from asynchronous method calls are generally not possible from the ActiveX. See VB6 Async Callbacks

Dim WithEvents myCrypt As ChilkatCrypt2

Private Sub myCrypt_ProgressInfo(ByVal name As String, ByVal value As String)

	'Insert application code here.

End Sub
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TaskCompleted
TaskCompleted(task As ChilkatTask)

Called in the background thread when an asynchronous task completes.

VB6 Event callback implementation:

Important: Event callbacks from asynchronous method calls are generally not possible from the ActiveX. See VB6 Async Callbacks

Dim WithEvents myCrypt As ChilkatCrypt2

Private Sub myCrypt_TaskCompleted(task As ChilkatTask)

	'Insert application code here.

End Sub
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Deprecated

Decode
Decode(str As String, encoding As String) As Variant
This method is deprecated.

Applications should instead call BinData.AppendEncoded to append binary encoded data (such as base64) to a BinData object. The decoded binary bytes can then be obtained from the BinData object.

Decode binary data from an encoded string. The encoding can be set to any of the following strings: base64, hex, quoted-printable, url, base32, Q, B, url_rc1738, url_rfc2396, url_rfc3986, url_oauth, uu, modBase64, or html (for HTML entity encoding).

Returns a zero-length byte array (as a Variant) on failure.
An empty array will have a UBound of -1 meaning 0 elements.

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DecryptStream
DecryptStream(strm As ChilkatStream) As Long
Introduced in version 9.5.0.56
This method is deprecated.

This method is deprecated. Applications should implement streaming decryption by using the FirstChunk and LastChunk properties.

Returns 1 for success, 0 for failure.

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DecryptStreamAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
DecryptStreamAsync(strm As ChilkatStream) As ChilkatTask
Introduced in version 9.5.0.56
This method is deprecated.

Creates an asynchronous task to call the DecryptStream method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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EncryptStream
EncryptStream(strm As ChilkatStream) As Long
Introduced in version 9.5.0.56
This method is deprecated.

This method is deprecated. Applications should implement streaming encryption or decryption by using the FirstChunk and LastChunk properties.

Returns 1 for success, 0 for failure.

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EncryptStreamAsync (1) (2) (AutoIt) (PowerBuilder) (VBScript) (Visual Basic 6.0) (Visual FoxPro)
EncryptStreamAsync(strm As ChilkatStream) As ChilkatTask
Introduced in version 9.5.0.56
This method is deprecated.

Creates an asynchronous task to call the EncryptStream method with the arguments provided.

Note: Async method event callbacks happen in the background thread. Accessing and updating UI elements existing in the main thread may require special considerations.

Returns Nothing on failure

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GenerateSecretKey
GenerateSecretKey(password As String) As Variant
This method is deprecated and replaced by Pbkdf2

This method is deprecated and should be avoided because it transforms the password into a binary secret key using a transformation that is undocumented and specific to this Chilkat method. PBKDF2 is a standard and more secure method of generating a binary secret key from a password. An example using PBKDF2 is shown below.

This method converts a string into a byte array matching the bit length of the KeyLength property. For instance, if KeyLength is 128 bits, the resulting array will be 16 bytes. This byte array can be assigned to the SecretKey property. For decryption to work, the SecretKey must match exactly. To use password-based encryption, pass the password to this method to generate an appropriate binary secret key for the SecretKey property.

IMPORTANT: Do not use this method to decrypt data if another party has provided you with the secret key. It is intended to transform a password of any length into a correctly sized binary secret key.

Returns a zero-length byte array (as a Variant) on failure.
An empty array will have a UBound of -1 meaning 0 elements.

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GetDecryptCert
GetDecryptCert() As ChilkatCert
Introduced in version 9.5.0.46
This method is deprecated.

This method is deprecated. Application should instead call LastDecryptCert

Returns the last certificate used for public-key decryption.

Returns Nothing on failure

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GetSignerCert
GetSignerCert(ByVal index As Long) As ChilkatCert
This method is deprecated.

This method is deprecated. Application should instead call LastSignerCert

Gets the Nth certificate used for signing. This method can be called after verifying a digital signature to get the signer certs. The 1st certificate is at index 0. The NumSignerCerts property contains the total number of signing certificates. (Typically, a single certificate is used in creating a digital signature.)

Returns Nothing on failure

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GetSignerCertChain
GetSignerCertChain(ByVal index As Long) As ChilkatCertChain
Introduced in version 9.5.0.40
This method is deprecated.

This method is deprecated. Applications can get the cert chain by calling LastSignerCert to get the certificate object, and then get the certificate chain from the certificate object.

Returns the full certificate chain for the Nth certificate used to for signing. Indexing begins at 0.

Returns Nothing on failure

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LastJsonData
LastJsonData() As ChilkatJsonObject
Introduced in version 9.5.0.70
This method is deprecated and replaced by GetLastJsonData

This method is deprecated. Please use GetLastJsonData instead. GetLastJsonData provides details about the most recently executed method. While many methods don't provide additional information, some do, such as after verifying a signature. In such cases, LastJsonData will return JSON with details like the algorithms used in the verification process.

Returns Nothing on failure

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VerifyDetachedSignature
VerifyDetachedSignature(inFilename As String, p7sFilename As String) As Long
This method is deprecated and replaced by VerifyP7S

This method is the same as VerifyP7S. Applications should instead call VerifyP7S.

More Information and Examples
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