net.schmizz.sshj.transport.cipher
Interface Cipher

All Known Implementing Classes:
AES128CBC, AES128CTR, AES192CBC, AES192CTR, AES256CBC, AES256CTR, BaseCipher, BlowfishCBC, NoneCipher, TripleDESCBC

public interface Cipher

Wrapper for a cryptographic cipher, used either for encryption or decryption.


Nested Class Summary
static class Cipher.Mode
           
 
Method Summary
 int getBlockSize()
           
 int getIVSize()
           
 void init(Cipher.Mode mode, byte[] key, byte[] iv)
          Initialize the cipher for encryption or decryption with the given private key and initialization vector
 void update(byte[] input, int inputOffset, int inputLen)
          Performs in-place encryption or decryption on the given data.
 

Method Detail

getBlockSize

int getBlockSize()
Returns:
the block size for this cipher

getIVSize

int getIVSize()
Returns:
the size of the initialization vector

init

void init(Cipher.Mode mode,
          byte[] key,
          byte[] iv)
Initialize the cipher for encryption or decryption with the given private key and initialization vector

Parameters:
mode - whether this instance wil encrypt or decrypt
key - the key for the cipher
iv - initialization vector

update

void update(byte[] input,
            int inputOffset,
            int inputLen)
Performs in-place encryption or decryption on the given data.

Parameters:
input - the subject
inputOffset - offset at which to start
inputLen - number of bytes starting at inputOffset


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