org.demoiselle.signer.cryptography.implementation

Class CriyptographyImpl

java.lang.Object

org.demoiselle.signer.cryptography.implementation.CriyptographyImpl

All Implemented Interfaces:

Cryptography

public class CriyptographyImpl
extends Object
implements Cryptography

FIXME maybe it is better as a value object Standard implementation for the @link Cryptography interface

Constructor Summary

Constructors

Constructor and Description
CriyptographyImpl()

Method Summary

Modifier and Type	Method and Description
byte[]	cipher(byte[] content) Method that encrypts a content passed in the parameter as a byte[] It uses the algorithm set by the method setAlgorithm() If you have been informed of a provider, it will also be used.
byte[]	decipher(byte[] content) Method that decrypts a content passed in the parameter as a byte[] It uses the algorithm set by the method setAlgorithm () If you have been informed of a provider, it will also be used.
Key	generateKey() Method that generates a cryptographic key using the algorithm set by the setAlgorithm() method If a provider has been informed, it will also be used to generate the key.
void	setAlgorithm(AsymmetricAlgorithmEnum algorithm) Changes the algorithm and settings for asymmetric cryptography to be used.
void	setAlgorithm(String algorithm) Changes only the encryption algorithm to be used.
void	setAlgorithm(SymmetricAlgorithmEnum algorithm) Changes the algorithm and symmetric encryption settings to be used.
void	setKey(Key key) A cryptographic key is required to perform encryption.
void	setKeyAlgorithm(String keyAlgorithm) Alters only the key of the algorithm to be used
void	setProvider(Provider provider) Changes the encryption provider to be used.
void	setSize(int size) Change the size of the key if it is necessary to generate the key.

Methods inherited from class java.lang.Object

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

Constructor Detail

CriyptographyImpl

public CriyptographyImpl()

Method Detail

setAlgorithm

public void setAlgorithm(String algorithm)

Description copied from interface: Cryptography

Changes only the encryption algorithm to be used.

Specified by:

setAlgorithm in interface Cryptography

Parameters:

algorithm - algorithm name

setAlgorithm

public void setAlgorithm(SymmetricAlgorithmEnum algorithm)

Description copied from interface: Cryptography

Changes the algorithm and symmetric encryption settings to be used.

Specified by:

setAlgorithm in interface Cryptography

Parameters:

algorithm - algorithm representation

See Also:

SymmetricAlgorithmEnum

setAlgorithm

public void setAlgorithm(AsymmetricAlgorithmEnum algorithm)

Description copied from interface: Cryptography

Changes the algorithm and settings for asymmetric cryptography to be used.

Specified by:

setAlgorithm in interface Cryptography

Parameters:

algorithm - algorithm representation

See Also:

AsymmetricAlgorithmEnum

setProvider

public void setProvider(Provider provider)

Description copied from interface: Cryptography

Changes the encryption provider to be used.

Specified by:

setProvider in interface Cryptography

Parameters:

provider - new provider

See Also:

SunJCE

setSize

public void setSize(int size)

Description copied from interface: Cryptography

Change the size of the key if it is necessary to generate the key.

Specified by:

setSize in interface Cryptography

Parameters:

size - key size

setKeyAlgorithm

public void setKeyAlgorithm(String keyAlgorithm)

Description copied from interface: Cryptography

Alters only the key of the algorithm to be used

Specified by:

setKeyAlgorithm in interface Cryptography

Parameters:

keyAlgorithm - algorithm name

setKey

public void setKey(Key key)

Description copied from interface: Cryptography

A cryptographic key is required to perform encryption. Symmetric Encryption uses SecretKey Asymmetric encryption uses PublicKey and PrivateKey

Specified by:

setKey in interface Cryptography

Parameters:

key - key

generateKey

public Key generateKey()

Method that generates a cryptographic key using the algorithm set by the setAlgorithm() method If a provider has been informed, it will also be used to generate the key. The generated key is for symmetric encryption only, so the key generated by this method is obligatorily a key of type SecretKey

Specified by:

generateKey in interface Cryptography

Returns:

genarated key

cipher

public byte[] cipher(byte[] content)

Method that encrypts a content passed in the parameter as a byte[] It uses the algorithm set by the method setAlgorithm() If you have been informed of a provider, it will also be used.

Specified by:

cipher in interface Cryptography

Parameters:

content - content to be ciphered

Returns:

ciphered content

decipher

public byte[] decipher(byte[] content)

Method that decrypts a content passed in the parameter as a byte[] It uses the algorithm set by the method setAlgorithm () If you have been informed of a provider, it will also be used.

Specified by:

decipher in interface Cryptography

Parameters:

content - ciphered content to be decrypted

Returns:

decrypted content