Class CryptoUtils

java.lang.Object

cool.scx.common.util.CryptoUtils

public final class CryptoUtils
extends Object

加密,解密工具类

Version:

0.0.1

Author:

scx567888

Constructor Summary

Constructors

Constructor	Description
CryptoUtils()

Method Summary

Modifier and Type	Method	Description
static boolean	checkPassword(String plainPassword, String encryptedPassword)	校验密码
static byte[]	decrypt(String algorithm, byte[] password, byte[] data)	解密
static byte[]	decrypt(String algorithm, AlgorithmParameters params, byte[] password, byte[] data)	解密
static byte[]	decryptBinary(byte[] encryptedBinary, String encryptorPassword)	使用自定义的密码 , 解密
static String	decryptText(String text, String encryptorPassword)	使用自定义的密码 , 解密字符串
static byte[]	encrypt(String algorithm, byte[] password, byte[] data)	加密
static byte[]	encrypt(String algorithm, AlgorithmParameters params, byte[] password, byte[] data)	加密
static byte[]	encryptBinary(byte[] binary, String encryptorPassword)	使用自定义的密码 , 加密
static String	encryptPassword(String password)	加密密码
static String	encryptText(String text, String encryptorPassword)	使用自定义的密码 , 加密字符串

Methods inherited from class java.lang.Object

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

Constructor Details

CryptoUtils

public CryptoUtils()

Method Details

encryptText

public static String encryptText(String text,
 String encryptorPassword)

使用自定义的密码 , 加密字符串

Parameters:

text - 待加密的字符串

encryptorPassword - 自定义的密码

Returns:

a 密文

decryptText

public static String decryptText(String text,
 String encryptorPassword)

使用自定义的密码 , 解密字符串

Parameters:

text - 密文

encryptorPassword - 自定义的密码

Returns:

a 结果

encryptBinary

public static byte[] encryptBinary(byte[] binary,
 String encryptorPassword)

使用自定义的密码 , 加密

Parameters:

binary - 待加密的字符串

encryptorPassword - 自定义的密码

Returns:

a 密文

decryptBinary

public static byte[] decryptBinary(byte[] encryptedBinary,
 String encryptorPassword)

使用自定义的密码 , 解密

Parameters:

encryptedBinary - 密文

encryptorPassword - 自定义的密码

Returns:

a 结果

encryptPassword

public static String encryptPassword(String password)

加密密码

Parameters:

password - p

Returns:

p

checkPassword

public static boolean checkPassword(String plainPassword,
 String encryptedPassword)

校验密码

Parameters:

plainPassword - 原密码

encryptedPassword - 加密后的密码

Returns:

a

encrypt

public static byte[] encrypt(String algorithm,
 byte[] password,
 byte[] data)
                      throws NoSuchAlgorithmException,
NoSuchPaddingException,
InvalidKeyException,
IllegalBlockSizeException,
BadPaddingException

加密

Parameters:

algorithm - 算法

password - 密码

data - 数据

Returns:

加密后的数据

Throws:

NoSuchAlgorithmException - a

NoSuchPaddingException - a

InvalidKeyException - a

IllegalBlockSizeException - a

BadPaddingException - a

decrypt

public static byte[] decrypt(String algorithm,
 byte[] password,
 byte[] data)
                      throws NoSuchPaddingException,
NoSuchAlgorithmException,
InvalidKeyException,
IllegalBlockSizeException,
BadPaddingException

解密

Parameters:

algorithm - 算法

password - 密码

data - 密文

Returns:

解密后的数据

Throws:

NoSuchPaddingException - a

NoSuchAlgorithmException - a

InvalidKeyException - a

IllegalBlockSizeException - a

BadPaddingException - a

encrypt

public static byte[] encrypt(String algorithm,
 AlgorithmParameters params,
 byte[] password,
 byte[] data)
                      throws NoSuchAlgorithmException,
NoSuchPaddingException,
InvalidKeyException,
IllegalBlockSizeException,
BadPaddingException,
InvalidAlgorithmParameterException

加密

Parameters:

algorithm - 算法

params - 算法参数

password - 密码

data - 数据

Returns:

加密后的数据

Throws:

NoSuchAlgorithmException - a

NoSuchPaddingException - a

InvalidKeyException - a

IllegalBlockSizeException - a

BadPaddingException - a

InvalidAlgorithmParameterException - a

decrypt

public static byte[] decrypt(String algorithm,
 AlgorithmParameters params,
 byte[] password,
 byte[] data)
                      throws NoSuchPaddingException,
NoSuchAlgorithmException,
InvalidKeyException,
IllegalBlockSizeException,
BadPaddingException,
InvalidAlgorithmParameterException

解密

Parameters:

algorithm - 算法

params - 算法参数

password - 密码

data - 密文

Returns:

解密后的数据

Throws:

NoSuchPaddingException - a

NoSuchAlgorithmException - a

InvalidKeyException - a

IllegalBlockSizeException - a

BadPaddingException - a

InvalidAlgorithmParameterException - a