Package org.apache.shiro.crypto.cipher

Class AbstractSymmetricCipherService

java.lang.Object

org.apache.shiro.crypto.cipher.JcaCipherService

org.apache.shiro.crypto.cipher.AbstractSymmetricCipherService

All Implemented Interfaces:

CipherService

Direct Known Subclasses:

DefaultBlockCipherService

public abstract class AbstractSymmetricCipherService
extends JcaCipherService

Base abstract class for supporting symmetric key cipher algorithms.

Since:

1.0

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractSymmetricCipherService(String algorithmName)

Method Summary

Modifier and Type	Method	Description
Key	generateNewKey()	Generates a new Key suitable for this CipherService's algorithm by calling generateNewKey(128) (uses a 128 bit size by default).
Key	generateNewKey(int keyBitSize)	Generates a new Key of the specified size suitable for this CipherService (based on the algorithmName using the JDK KeyGenerator.

Methods inherited from class org.apache.shiro.crypto.cipher.JcaCipherService

createParameterSpec, decrypt, decrypt, encrypt, encrypt, ensureSecureRandom, generateInitializationVector, getAlgorithmName, getDefaultSecureRandom, getInitializationVectorSize, getKeySize, getSecureRandom, getStreamingBufferSize, getTransformationString, isGenerateInitializationVectors, isGenerateInitializationVectors, setGenerateInitializationVectors, setInitializationVectorSize, setKeySize, setSecureRandom, setStreamingBufferSize

Methods inherited from class java.lang.Object

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

Constructor Details

AbstractSymmetricCipherService

protected AbstractSymmetricCipherService(String algorithmName)

Method Details

generateNewKey

public Key generateNewKey()

Generates a new Key suitable for this CipherService's algorithm by calling generateNewKey(128) (uses a 128 bit size by default).

Returns:

a new Key, 128 bits in length.

generateNewKey

public Key generateNewKey(int keyBitSize)

Generates a new Key of the specified size suitable for this CipherService (based on the algorithmName using the JDK KeyGenerator.

Parameters:

keyBitSize - the bit size of the key to create

Returns:

the created key suitable for use with this CipherService