org.demoiselle.signer.cryptography

Interface Cryptography

All Known Implementing Classes:

CriyptographyImpl

public interface Cryptography

Defines the default behavior for using encryption. Can be symmetric or asymmetric, it depends only on its implementation.

See Also:

CriyptographyImpl

Method Summary

Modifier and Type	Method and Description
byte[]	cipher(byte[] content) Returns the content passed as parameter, encrypted.
byte[]	decipher(byte[] content) Returns the content passed as a parameter, decrypted.
Key	generateKey() Generates key for encryption.
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.

Method Detail

setAlgorithm

void setAlgorithm(SymmetricAlgorithmEnum algorithm)

Changes the algorithm and symmetric encryption settings to be used.

Parameters:

algorithm - algorithm representation

See Also:

SymmetricAlgorithmEnum

setAlgorithm

void setAlgorithm(AsymmetricAlgorithmEnum algorithm)

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

Parameters:

algorithm - algorithm representation

See Also:

AsymmetricAlgorithmEnum

setAlgorithm

void setAlgorithm(String algorithm)

Changes only the encryption algorithm to be used.

Parameters:

algorithm - algorithm name

setKeyAlgorithm

void setKeyAlgorithm(String keyAlgorithm)

Alters only the key of the algorithm to be used

Parameters:

keyAlgorithm - algorithm name

setProvider

void setProvider(Provider provider)

Changes the encryption provider to be used.

Parameters:

provider - new provider

See Also:

SunJCE

setSize

void setSize(int size)

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

Parameters:

size - key size

setKey

void setKey(Key key)

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

Parameters:

key - key

cipher

byte[] cipher(byte[] content)

Returns the content passed as parameter, encrypted.

Parameters:

content - content to be ciphered

Returns:

ciphered content

decipher

byte[] decipher(byte[] content)

Returns the content passed as a parameter, decrypted.

Parameters:

content - ciphered content to be decrypted

Returns:

decrypted content

generateKey

Key generateKey()

Generates key for encryption.

Returns:

generated key