dw.crypto
Class WeakCipher
Object
dw.crypto.WeakCipher
This API provides access to Deprecated algorithms.

See Cipher for full documentation. WeakCipher is simply a drop-in replacement that only supports deprecated algorithms and key lengths. This is helpful when you need to deal with weak algorithms for backward compatibility purposes, but Cipher should always be used for new development and for anything intended to be secure.

Note: this class handles sensitive security-related data. Pay special attention to PCI DSS v3 requirements 2, 4, and 12.

Constants
CHAR_ENCODING  :  String = "UTF8"
Strings containing keys, plain texts, cipher texts etc. are internally converted into byte arrays using this encoding (currently UTF8).
Constructor Summary
Method Summary
decrypt(base64Msg : String, key : String, transformation : String, saltOrIV : String, iterations : Number) : String
Decrypts the message using the given parameters.
decrypt(base64Msg : String, privateKey : KeyRef, transformation : String, saltOrIV : String, iterations : Number) : String
Alternative method to decrypt(String, String, String, String, Number), which allows using a key in the keystore for the decryption.
decrypt(base64Msg : String, key : String, transformation : String, saltOrIV : String, iterations : Number) : String
Decrypts the message using the given parameters.
decrypt(base64Msg : String, privateKey : KeyRef, transformation : String, saltOrIV : String, iterations : Number) : String
Alternative method to decrypt_3(String, String, String, String, Number), which allows using a key in the keystore for the decryption.
decryptBytes(encryptedBytes : Bytes, key : String, transformation : String, saltOrIV : String, iterations : Number) : Bytes
Lower-level decryption API.
decryptBytes(encryptedBytes : Bytes, privateKey : KeyRef, transformation : String, saltOrIV : String, iterations : Number) : Bytes
Alternative method to decryptBytes(Bytes, String, String, String, Number), which allows to use a key in the keystore for the decryption.
decryptBytes(encryptedBytes : Bytes, key : String, transformation : String, saltOrIV : String, iterations : Number) : Bytes
Lower-level decryption API.
decryptBytes(encryptedBytes : Bytes, privateKey : KeyRef, transformation : String, saltOrIV : String, iterations : Number) : Bytes
Alternative method to decryptBytes_3(Bytes, String, String, String, Number), which allows to use a key in the keystore for the decryption.
encrypt(message : String, key : String, transformation : String, saltOrIV : String, iterations : Number) : String
Encrypt the passed message by using the specified key and applying the transformations described by the specified parameters.
encrypt(message : String, publicKey : CertificateRef, transformation : String, saltOrIV : String, iterations : Number) : String
Encrypt the passed message by using the specified key and applying the transformations described by the specified parameters.
encrypt(message : String, key : String, transformation : String, saltOrIV : String, iterations : Number) : String
Encrypt the passed message by using the specified key and applying the transformations described by the specified parameters.
encrypt(message : String, publicKey : CertificateRef, transformation : String, saltOrIV : String, iterations : Number) : String
Encrypt the passed message by using the specified key and applying the transformations described by the specified parameters.
encryptBytes(messageBytes : Bytes, key : String, transformation : String, saltOrIV : String, iterations : Number) : Bytes
Lower-level encryption API.
encryptBytes(messageBytes : Bytes, publicKey : CertificateRef, transformation : String, saltOrIV : String, iterations : Number) : Bytes
Alternative method to encryptBytes(Bytes, String, String, String, Number), which allows to use a key in the keystore for the encryption.
encryptBytes(messageBytes : Bytes, key : String, transformation : String, saltOrIV : String, iterations : Number) : Bytes
Lower-level encryption API.
encryptBytes(messageBytes : Bytes, publicKey : CertificateRef, transformation : String, saltOrIV : String, iterations : Number) : Bytes
Alternative method to encryptBytes_3(Bytes, String, String, String, Number), which allows to use a key in the keystore for the encryption.
Methods inherited from class Object
Constructor Detail
WeakCipher
public WeakCipher()

Method Detail
decrypt
decrypt(base64Msg : String, key : String, transformation : String, saltOrIV : String, iterations : Number) : String
Decrypts the message using the given parameters. See Cipher.decrypt(String, String, String, String, Number) for full documentation.
API Versioned:
From version 15.5. No longer available as of version 16.2. Requires Base64-encryption for the salt parameter.
Parameters:
base64Msg - the base64 encoded data to decrypt
key - The decryption key
transformation - Transformation in "algorithm/mode/padding" format.
saltOrIV - Initialization value appropriate for the algorithm.
iterations - The number of passes to make when turning a passphrase into a key, if applicable
Returns:
the original plaintext message.

decrypt
decrypt(base64Msg : String, privateKey : KeyRef, transformation : String, saltOrIV : String, iterations : Number) : String
Alternative method to decrypt(String, String, String, String, Number), which allows using a key in the keystore for the decryption. See Cipher.decrypt(String, KeyRef, String, String, Number) for full documentation.
API Versioned:
From version 15.5. No longer available as of version 16.2. Requires Base64-encryption for the salt parameter.
Parameters:
base64Msg - the base64 encoded data to decrypt
privateKey - No Comment In JavaDoc
transformation - Transformation in "algorithm/mode/padding" format.
saltOrIV - Initialization value appropriate for the algorithm.
iterations - The number of passes to make when turning a passphrase into a key, if applicable
Returns:
the original plaintext message.

decrypt
decrypt(base64Msg : String, key : String, transformation : String, saltOrIV : String, iterations : Number) : String
Decrypts the message using the given parameters. See Cipher.decrypt_3(String, String, String, String, Number) for full documentation.
API Versioned:
From version 16.2. Does not use a default initialization vector.
Parameters:
base64Msg - the base64 encoded data to decrypt
key - The decryption key
transformation - Transformation in "algorithm/mode/padding" format.
saltOrIV - Initialization value appropriate for the algorithm.
iterations - The number of passes to make when turning a passphrase into a key, if applicable
Returns:
the original plaintext message.

decrypt
decrypt(base64Msg : String, privateKey : KeyRef, transformation : String, saltOrIV : String, iterations : Number) : String
Alternative method to decrypt_3(String, String, String, String, Number), which allows using a key in the keystore for the decryption. See Cipher.decrypt_3(String, KeyRef, String, String, Number) for full documentation.
API Versioned:
From version 16.2. Does not use a default initialization vector.
Parameters:
base64Msg - the base64 encoded data to decrypt
privateKey - No Comment In JavaDoc
transformation - Transformation in "algorithm/mode/padding" format.
saltOrIV - Initialization value appropriate for the algorithm.
iterations - The number of passes to make when turning a passphrase into a key, if applicable
Returns:
the original plaintext message.

decryptBytes
decryptBytes(encryptedBytes : Bytes, key : String, transformation : String, saltOrIV : String, iterations : Number) : Bytes
Lower-level decryption API. Decrypts the passed bytes using the specified key and applying the transformations described by the specified parameters. See Cipher.decryptBytes(Bytes, String, String, String, Number) for full documentation.
API Versioned:
From version 15.5. No longer available as of version 16.2. Requires Base64-encryption for the salt parameter.
Parameters:
encryptedBytes - The bytes to decrypt.
key - The key to use for decryption.
transformation - The transformation used to originally encrypt.
saltOrIV - the salt or IV to use.
iterations - the iterations to use.
Returns:
The decrypted bytes.

decryptBytes
decryptBytes(encryptedBytes : Bytes, privateKey : KeyRef, transformation : String, saltOrIV : String, iterations : Number) : Bytes
Alternative method to decryptBytes(Bytes, String, String, String, Number), which allows to use a key in the keystore for the decryption. See Cipher.decryptBytes(Bytes, KeyRef, String, String, Number) for full documentation.
API Versioned:
From version 15.5. No longer available as of version 16.2. Requires Base64-encryption for the salt parameter.
Parameters:
encryptedBytes - The bytes to decrypt.
privateKey - No Comment In JavaDoc
transformation - The transformation used to originally encrypt.
saltOrIV - the salt or IV to use.
iterations - the iterations to use.
Returns:
The decrypted bytes.

decryptBytes
decryptBytes(encryptedBytes : Bytes, key : String, transformation : String, saltOrIV : String, iterations : Number) : Bytes
Lower-level decryption API. Decrypts the passed bytes using the specified key and applying the transformations described by the specified parameters. See Cipher.decryptBytes_3(Bytes, String, String, String, Number) for full documentation.
API Versioned:
From version 16.2. Does not use a default initialization vector.
Parameters:
encryptedBytes - The bytes to decrypt.
key - The key to use for decryption.
transformation - The transformation used to originally encrypt.
saltOrIV - the salt or IV to use.
iterations - the iterations to use.
Returns:
The decrypted bytes.

decryptBytes
decryptBytes(encryptedBytes : Bytes, privateKey : KeyRef, transformation : String, saltOrIV : String, iterations : Number) : Bytes
Alternative method to decryptBytes_3(Bytes, String, String, String, Number), which allows to use a key in the keystore for the decryption. See Cipher.decryptBytes_3(Bytes, KeyRef, String, String, Number) for full documentation.
API Versioned:
From version 16.2. Does not use a default initialization vector.
Parameters:
encryptedBytes - The bytes to decrypt.
privateKey - No Comment In JavaDoc
transformation - The transformation used to originally encrypt.
saltOrIV - the salt or IV to use.
iterations - the iterations to use.
Returns:
The decrypted bytes.

encrypt
encrypt(message : String, key : String, transformation : String, saltOrIV : String, iterations : Number) : String
Encrypt the passed message by using the specified key and applying the transformations described by the specified parameters. See Cipher.encrypt(String, String, String, String, Number) for full documentation.
API Versioned:
From version 15.5. No longer available as of version 16.2. Requires Base64-encryption for the salt parameter.
Parameters:
message - Message to encrypt (this will be converted to UTF-8 first)
key - Key
transformation - Transformation in "algorithm/mode/padding" format
saltOrIV - Initialization value appropriate for the algorithm
iterations - The number of passes to make when turning a passphrase into a key, if applicable
Returns:
Base64-encoded encrypted data

encrypt
encrypt(message : String, publicKey : CertificateRef, transformation : String, saltOrIV : String, iterations : Number) : String
Encrypt the passed message by using the specified key and applying the transformations described by the specified parameters. See Cipher.encrypt(String, CertificateRef, String, String, Number) for full documentation.
API Versioned:
From version 15.5. No longer available as of version 16.2. Requires Base64-encryption for the salt parameter.
Parameters:
message - Message to encrypt (this will be converted to UTF-8 first)
publicKey - A reference to a public key in the key store
transformation - Transformation in "algorithm/mode/padding" format
saltOrIV - Initialization value appropriate for the algorithm
iterations - The number of passes to make when turning a passphrase into a key, if applicable
Returns:
Base64-encoded encrypted data

encrypt
encrypt(message : String, key : String, transformation : String, saltOrIV : String, iterations : Number) : String
Encrypt the passed message by using the specified key and applying the transformations described by the specified parameters. See Cipher.encrypt_3(String, String, String, String, Number) for full documentation.
API Versioned:
From version 16.2. Does not use a default initialization vector.
Parameters:
message - Message to encrypt (this will be converted to UTF-8 first)
key - Key
transformation - Transformation in "algorithm/mode/padding" format
saltOrIV - Initialization value appropriate for the algorithm
iterations - The number of passes to make when turning a passphrase into a key, if applicable
Returns:
Base64-encoded encrypted data

encrypt
encrypt(message : String, publicKey : CertificateRef, transformation : String, saltOrIV : String, iterations : Number) : String
Encrypt the passed message by using the specified key and applying the transformations described by the specified parameters. See Cipher.encrypt_3(String, CertificateRef, String, String, Number) for full documentation.
API Versioned:
From version 16.2. Does not use a default initialization vector.
Parameters:
message - Message to encrypt (this will be converted to UTF-8 first)
publicKey - A reference to a public key in the key store
transformation - Transformation in "algorithm/mode/padding" format
saltOrIV - Initialization value appropriate for the algorithm
iterations - The number of passes to make when turning a passphrase into a key, if applicable
Returns:
Base64-encoded encrypted data

encryptBytes
encryptBytes(messageBytes : Bytes, key : String, transformation : String, saltOrIV : String, iterations : Number) : Bytes
Lower-level encryption API. Encrypts the passed bytes by using the specified key and applying the transformations described by the specified parameters. See Cipher.encryptBytes(Bytes, String, String, String, Number) for full documentation.
API Versioned:
From version 15.5. No longer available as of version 16.2. Requires Base64-encryption for the salt parameter.
Parameters:
messageBytes - The bytes to encrypt.
key - The key to use for encryption.
transformation - Transformation in "algorithm/mode/padding" format.
saltOrIV - Initialization value appropriate for the algorithm.
iterations - The number of passes to make when turning a passphrase into a key.
Returns:
the encrypted bytes.

encryptBytes
encryptBytes(messageBytes : Bytes, publicKey : CertificateRef, transformation : String, saltOrIV : String, iterations : Number) : Bytes
Alternative method to encryptBytes(Bytes, String, String, String, Number), which allows to use a key in the keystore for the encryption. See Cipher.encryptBytes(Bytes, CertificateRef, String, String, Number) for full documentation.
API Versioned:
From version 15.5. No longer available as of version 16.2. Requires Base64-encryption for the salt parameter.
Parameters:
messageBytes - The bytes to encrypt.
publicKey - A reference to a public key in the key store.
transformation - Transformation in "algorithm/mode/padding" format.
saltOrIV - Initialization value appropriate for the algorithm.
iterations - The number of passes to make when turning a passphrase into a key.
Returns:
the encrypted bytes.

encryptBytes
encryptBytes(messageBytes : Bytes, key : String, transformation : String, saltOrIV : String, iterations : Number) : Bytes
Lower-level encryption API. Encrypts the passed bytes by using the specified key and applying the transformations described by the specified parameters. See Cipher.encryptBytes_3(Bytes, String, String, String, Number) for full documentation.
API Versioned:
From version 16.2. Does not use a default initialization vector.
Parameters:
messageBytes - The bytes to encrypt.
key - The key to use for encryption.
transformation - Transformation in "algorithm/mode/padding" format.
saltOrIV - Initialization value appropriate for the algorithm.
iterations - The number of passes to make when turning a passphrase into a key.
Returns:
the encrypted bytes.

encryptBytes
encryptBytes(messageBytes : Bytes, publicKey : CertificateRef, transformation : String, saltOrIV : String, iterations : Number) : Bytes
Alternative method to encryptBytes_3(Bytes, String, String, String, Number), which allows to use a key in the keystore for the encryption. See Cipher.encryptBytes_3(Bytes, CertificateRef, String, String, Number) for full documentation.
API Versioned:
From version 16.2. Does not use a default initialization vector.
Parameters:
messageBytes - The bytes to encrypt.
publicKey - A reference to a public key in the key store.
transformation - Transformation in "algorithm/mode/padding" format.
saltOrIV - Initialization value appropriate for the algorithm.
iterations - The number of passes to make when turning a passphrase into a key.
Returns:
the encrypted bytes.

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