com.rsa.authagent.authapi.ciphers
Interface SimpleCipher

All Known Implementing Classes:

AesCipher, DesCipher, NulCipher, SdiCipher

public interface SimpleCipher

This is an interface for simple block cipher implementations.

Method Summary

void	clear() Clears all sensitive data in the object.
byte[]	decrypt(byte[] data) Performs decryption on the data with the initialized key.
byte[]	decrypt(byte[] data, int offset, int length) Performs decryption on the data with the initialized key.
byte[]	encrypt(byte[] data) Performs encryption on the data with the initialized key.
byte[]	encrypt(byte[] data, int offset, int length) Performs encryption on the data with the initialized key.
void	setKey(byte[] key) Initializes the cipher with the specified key.
void	setKey(byte[] key, int offset, int length) Initializes the cipher with the specified key.

Method Detail

setKey

void setKey(byte[] key)

Initializes the cipher with the specified key.

Parameters:

key - the key for subsequent cryptographic operations.

setKey

void setKey(byte[] key,
            int offset,
            int length)

Initializes the cipher with the specified key.

Parameters:

key - the key for subsequent cryptographic operations.

offset - index to the first byte of the key.

length - length of the key.

encrypt

byte[] encrypt(byte[] data)

Performs encryption on the data with the initialized key.

Parameters:

data - the data to encrypt.

Returns:

output in a byte array.

encrypt

byte[] encrypt(byte[] data,
               int offset,
               int length)

Performs encryption on the data with the initialized key.

Parameters:

data - the data to encrypt.

offset - index to the first byte of data to encrypt.

length - length of the data to encrypt.

Returns:

output in a byte array.

decrypt

byte[] decrypt(byte[] data)

Performs decryption on the data with the initialized key.

Parameters:

data - the data to decrypt.

Returns:

output in a byte array.

decrypt

byte[] decrypt(byte[] data,
               int offset,
               int length)

Performs decryption on the data with the initialized key.

Parameters:

data - the data to decrypt.

offset - index to the first byte of data to decrypt.

length - length of the data to decrypt.

Returns:

output in a byte array.

clear

void clear()

Clears all sensitive data in the object.