fr.cnes.doi.security

Class UtilsCryptography

java.lang.Object

fr.cnes.doi.security.UtilsCryptography

public final class UtilsCryptography
extends Object

Utility class to encrypt/decrypt

Author:

Jean-Christophe Malapert (jean-christophe.malapert@cnes.fr)

Field Summary

Fields

Modifier and Type	Field and Description
static String	CIPHER_ALGORITHM Name of the transformation.
static String	DEFAULT_SECRET_KEY Default key to encrypt/decrypt.
static String	KEY_ALGORITHM Name of the secret-key algorithm to be associated with the given key material.
private static org.apache.logging.log4j.Logger	LOG Logger.
private static String	MSG_TPL Template message.
private static String	MSG_TPL2 Template message.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	UtilsCryptography() Private constructor

Method Summary

Modifier and Type	Method and Description
static String	decrypt(String encryptedInput) Decrypts the string with the DEFAULT_SECRET_KEY.
static String	decrypt(String encryptedInput, String secretKey) Decrypts the string with a custom secret key.
static String	encrypt(String str) Encrypts the string with the DEFAULT_SECRET_KEY.
static String	encrypt(String str, String secretKey) Encrypts the string with a specific secret key.

Methods inherited from class java.lang.Object

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

Field Detail

CIPHER_ALGORITHM

public static final String CIPHER_ALGORITHM

Name of the transformation.

See Also:

Constant Field Values

KEY_ALGORITHM

public static final String KEY_ALGORITHM

Name of the secret-key algorithm to be associated with the given key material.

See Also:

Constant Field Values

DEFAULT_SECRET_KEY

public static final String DEFAULT_SECRET_KEY

Default key to encrypt/decrypt. The key is a 16 bits length key

See Also:

Constant Field Values

LOG

private static final org.apache.logging.log4j.Logger LOG

Logger.

MSG_TPL

private static final String MSG_TPL

Template message.

See Also:

Constant Field Values

MSG_TPL2

private static final String MSG_TPL2

Template message.

See Also:

Constant Field Values

Constructor Detail

UtilsCryptography

private UtilsCryptography()

Private constructor

Method Detail

decrypt

public static String decrypt(String encryptedInput)

Decrypts the string with the DEFAULT_SECRET_KEY.

Parameters:

encryptedInput - string to decrypt.

Returns:

the decrypted string

decrypt

public static String decrypt(String encryptedInput,
                             String secretKey)

Decrypts the string with a custom secret key.

Parameters:

encryptedInput - string to decrypt.

secretKey - the secret key.

Returns:

the decrypted string

encrypt

public static String encrypt(String str)

Encrypts the string with the DEFAULT_SECRET_KEY.

Parameters:

str - string to encrypt

Returns:

the encrypted string.

encrypt

public static String encrypt(String str,
                             String secretKey)

Encrypts the string with a specific secret key.

Parameters:

str - string to encrypt

secretKey - the secret key of 16 bits length

Returns:

the decrypted string