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The BlockDecryptorEngine interface describes the functionality of using a block cipher
for decryption.
| Method Summary | ||
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void |
decrypt(byte[] ciphertext,
int ciphertextOffset,
byte[] plaintext,
int plaintextOffset)
Decodes a block of the given ciphertext into a block of plaintext. |
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String |
getAlgorithm()
Returns the name of this algorithm, eg "DES". |
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int |
getBlockLength()
Returns the block length of the block cipher in bytes. |
| Method Detail |
public void decrypt(byte[] ciphertext,
int ciphertextOffset,
byte[] plaintext,
int plaintextOffset)
throws CryptoTokenException
ciphertext - A byte array containing the input that is to be decrypted.ciphertextOffset - The starting offset, or initial byte position, of the data within the input array.plaintext - A byte array containing the output from the method.plaintextOffset - The starting offset, or initial byte position, of
the data within the output array.CryptoTokenException - Thrown when an error occurs with the crypto
token or the crypto token is invalid.public String getAlgorithm()
public int getBlockLength()
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