mali.util

Class DESedeEncryption

java.lang.Object

mali.util.DESedeEncryption

public class DESedeEncryption
extends java.lang.Object

TripleDES 加解密用

Author:

amman 1000001170 2013/03/27 amman 新增

Constructor Summary

Constructors

Constructor and Description
DESedeEncryption()

Method Summary

Methods

Modifier and Type	Method and Description
static java.lang.String	decrypt(java.lang.String encryptString, java.lang.String strKeySpec) 解密
static java.lang.String	decrypt(java.lang.String encryptString, java.lang.String chartCode, java.lang.String strKeySpec) 此method之功能解密
static java.lang.String	encrypt(java.lang.String input, java.lang.String strKeySpec) 加密
static java.lang.String	encrypt(java.lang.String input, java.lang.String chartCode, java.lang.String strKeySpec) 此method之功能為加密

Methods inherited from class java.lang.Object

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

Constructor Detail

DESedeEncryption

public DESedeEncryption()

Method Detail

encrypt

public static java.lang.String encrypt(java.lang.String input,
                       java.lang.String strKeySpec)
                                throws java.lang.Exception

加密

Parameters:

input - 欲加密文字

strKeySpec - 加解密值key

Returns:

加密後文字 (經base64encoder 轉換)

Throws:

java.lang.Exception

decrypt

public static java.lang.String decrypt(java.lang.String encryptString,
                       java.lang.String strKeySpec)
                                throws java.lang.Exception

解密

Parameters:

encryptString - 欲解密文字

strKeySpec - 加解密值key

Returns:

解密後文字 經 base64decoder 轉換

Throws:

java.lang.Exception

encrypt

public static java.lang.String encrypt(java.lang.String input,
                       java.lang.String chartCode,
                       java.lang.String strKeySpec)
                                throws java.security.InvalidKeyException,
                                       javax.crypto.BadPaddingException,
                                       javax.crypto.IllegalBlockSizeException,
                                       java.io.UnsupportedEncodingException,
                                       javax.crypto.NoSuchPaddingException,
                                       java.security.spec.InvalidKeySpecException,
                                       java.security.NoSuchAlgorithmException

此method之功能為加密

Parameters:

input - 欲加密之文字

chartCode - 文字編碼:UTF-8,UTF-16

strKeySpec - 欲產生共用鑰匙之規範，其長度需大約24。

Returns:

回傳加密後之文字

Throws:

java.security.InvalidKeyException

javax.crypto.BadPaddingException

javax.crypto.IllegalBlockSizeException

java.io.UnsupportedEncodingException

javax.crypto.NoSuchPaddingException

java.security.spec.InvalidKeySpecException

java.security.NoSuchAlgorithmException

decrypt

public static java.lang.String decrypt(java.lang.String encryptString,
                       java.lang.String chartCode,
                       java.lang.String strKeySpec)
                                throws java.security.InvalidKeyException,
                                       javax.crypto.BadPaddingException,
                                       javax.crypto.IllegalBlockSizeException,
                                       java.io.UnsupportedEncodingException,
                                       java.io.IOException,
                                       javax.crypto.NoSuchPaddingException,
                                       java.security.spec.InvalidKeySpecException,
                                       java.security.NoSuchAlgorithmException

此method之功能解密

Parameters:

encryptString - 加密後之文字

chartCode - 文字編碼:UTF-8,UTF-16

strKeySpec - 欲產生共用鑰匙之規範，其長度需大約24。

Returns:

回傳解密後之文字

Throws:

java.security.InvalidKeyException

javax.crypto.BadPaddingException

javax.crypto.IllegalBlockSizeException

java.io.UnsupportedEncodingException

java.io.IOException

javax.crypto.NoSuchPaddingException

java.security.spec.InvalidKeySpecException

java.security.NoSuchAlgorithmException