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public interface BlockDecryptorEngineExt
The BlockDecryptorEngineExt interface describes the functionality of using a block cipher
for decryption.
| Method Summary | ||
|---|---|---|
|
void |
decrypt(byte[] ciphertext,
int ciphertextOffset,
byte[] plaintext,
int plaintextOffset,
int numBlocks)
Decodes a series of blocks of the given ciphertext into a series of blocks of plaintext. |
| Methods inherited from interface net.rim.device.api.crypto.BlockDecryptorEngine |
|---|
decrypt, getAlgorithm, getBlockLength |
| Method Detail |
|---|
void decrypt(byte[] ciphertext,
int ciphertextOffset,
byte[] plaintext,
int plaintextOffset,
int numBlocks)
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.numBlocks - The number of blocks to decrypt.
CryptoTokenException - Thrown when an error occurs with the crypto
token or the crypto token is invalid.
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