Package org.ametys.plugins.messagingconnector

Class CryptoHelper

java.lang.Object

org.ametys.runtime.plugin.component.AbstractLogEnabled

org.ametys.plugins.messagingconnector.CryptoHelper

All Implemented Interfaces:

LogEnabled, Component

public class CryptoHelper
extends AbstractLogEnabled
implements Component

Helper to encrypt/decrypt some text

Field Summary

Fields

Modifier and Type	Field	Description
private String	_cryptoKey
private static String	CHARSET
private static String	CIPHER_ALGORITHM
private static String	KEY_ALGORITHM
private static String	PASS_HASH_ALGORITHM
static String	ROLE	Avalon Role

Constructor Summary

Constructors

Constructor	Description
CryptoHelper()

Method Summary

Modifier and Type	Method	Description
private Cipher	_buildCipher(String password, int mode)
private Key	_buildKey(String password)
private String	_writeKeyInFile(File file)	Will create a new random key based on a sha256 hash of the current time, and write it to a file
String	decrypt(String encryptedValue)	Decrypt a string (base64) using the generated key
String	decrypt(String encryptedValue, String key)	Decrypt a string (base64) using the selected key
String	encrypt(String data)	Encrypt (base64) a string using the generated key
String	encrypt(String data, String key)	Encrypt (base64) a string using the selected key
String	getCryptoKey()	Get the generated crypto key

Methods inherited from class org.ametys.runtime.plugin.component.AbstractLogEnabled

getLogger, setLogger

Methods inherited from class java.lang.Object

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

Field Detail

ROLE

public static final String ROLE

Avalon Role

CHARSET

private static final String CHARSET

See Also:

Constant Field Values

CIPHER_ALGORITHM

private static final String CIPHER_ALGORITHM

See Also:

Constant Field Values

KEY_ALGORITHM

private static final String KEY_ALGORITHM

See Also:

Constant Field Values

PASS_HASH_ALGORITHM

private static final String PASS_HASH_ALGORITHM

See Also:

Constant Field Values

_cryptoKey

private String _cryptoKey

Constructor Detail

CryptoHelper

public CryptoHelper()

Method Detail

decrypt

public String decrypt(String encryptedValue,
                      String key)

Decrypt a string (base64) using the selected key

Parameters:

encryptedValue - the encrypted value

key - The key used to decrypt value

Returns:

the decrypted String

decrypt

public String decrypt(String encryptedValue)

Decrypt a string (base64) using the generated key

Parameters:

encryptedValue - the encrypted value

Returns:

the decrypted String

encrypt

public String encrypt(String data,
                      String key)

Encrypt (base64) a string using the selected key

Parameters:

data - input data

key - the key used to encrypt

Returns:

the base64 value of the encrypted data

encrypt

public String encrypt(String data)

Encrypt (base64) a string using the generated key

Parameters:

data - input data

Returns:

the base64 value of the encrypted data

getCryptoKey

public String getCryptoKey()

Get the generated crypto key

Returns:

the generated crypto key

_writeKeyInFile

private String _writeKeyInFile(File file)
                        throws IOException

Will create a new random key based on a sha256 hash of the current time, and write it to a file

Parameters:

file - file where to write

Returns:

the generated password

Throws:

IOException - if something went wrong when writting the file

_buildCipher

private Cipher _buildCipher(String password,
                            int mode)
                     throws NoSuchAlgorithmException,
                            NoSuchPaddingException,
                            InvalidKeyException,
                            UnsupportedEncodingException

Throws:

NoSuchAlgorithmException

NoSuchPaddingException

InvalidKeyException

UnsupportedEncodingException

_buildKey

private Key _buildKey(String password)
               throws NoSuchAlgorithmException,
                      UnsupportedEncodingException

Throws:

NoSuchAlgorithmException

UnsupportedEncodingException