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