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

Nested Classes

Modifier and Type	Interface and Description
static class	Cipher.Mode

Method Summary

Modifier and Type	Method and Description
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