org.wso2.securevault

Class BaseCipher

java.lang.Object

org.wso2.securevault.BaseCipher

All Implemented Interfaces:

DecryptionProvider, EncryptionProvider

Direct Known Subclasses:

AsymmetricCipher, SymmetricCipher

public abstract class BaseCipher
extends Object
implements EncryptionProvider, DecryptionProvider

Wraps the cipher and expose abstraction need for synapse ciphering

Field Summary

Fields

Modifier and Type	Field and Description
protected KeyStoreWrapper	keyStoreWrapper

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BaseCipher(CipherInformation cipherInformation, Key key)
protected	BaseCipher(CipherInformation cipherInformation, KeyStoreInformation keystoreInformation)
protected	BaseCipher(CipherInformation cipherInformation, KeyStoreWrapper keyStoreWrapper)

Method Summary

Modifier and Type	Method and Description
byte[]	decrypt(byte[] cipherText) Decrypts input cipher bytes.
byte[]	decrypt(byte[] cipherText, AlgorithmParameterSpec params) Decrypts input cipher bytes.
byte[]	encrypt(byte[] plainText) Encrypts a plain text.
CipherInformation	getCipherInformation()
abstract Key	getKey(CipherOperationMode operationMode) Returns the correct key for correct operation
KeyStoreInformation	getKeyStoreInformation()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

keyStoreWrapper

protected KeyStoreWrapper keyStoreWrapper

Constructor Detail

BaseCipher

protected BaseCipher(CipherInformation cipherInformation,
                     KeyStoreInformation keystoreInformation)

BaseCipher

protected BaseCipher(CipherInformation cipherInformation,
                     KeyStoreWrapper keyStoreWrapper)

BaseCipher

protected BaseCipher(CipherInformation cipherInformation,
                     Key key)

Method Detail

getCipherInformation

public CipherInformation getCipherInformation()

getKeyStoreInformation

public KeyStoreInformation getKeyStoreInformation()

getKey

public abstract Key getKey(CipherOperationMode operationMode)

Returns the correct key for correct operation

Parameters:

operationMode - Ciper operation

Returns:

A key

encrypt

public byte[] encrypt(byte[] plainText)

Encrypts a plain text.

Specified by:

encrypt in interface EncryptionProvider

Parameters:

plainText - Plain text as a byte array.

Returns:

Cipher text as a byte array.

decrypt

public byte[] decrypt(byte[] cipherText)

Decrypts input cipher bytes.

Specified by:

decrypt in interface DecryptionProvider

Parameters:

cipherText - Encrypted text as a byte array.

Returns:

Plain text as byte array.

decrypt

public byte[] decrypt(byte[] cipherText,
                      AlgorithmParameterSpec params)

Decrypts input cipher bytes.

Specified by:

decrypt in interface DecryptionProvider

Parameters:

cipherText - Encrypted text as a byte array.

params - The algorithm parameters.

Returns:

Plain text as byte array.