com.easycodebox.common.algorithm

类 RC4Utils

java.lang.Object

com.easycodebox.common.algorithm.RC4Utils

public class RC4Utils
extends Object

构造器概要

构造器

构造器和说明
RC4Utils(byte[] key) Initializes the class with a byte array key.
RC4Utils(String key) Initializes the class with a string key.

方法概要

限定符和类型	方法和说明
static String	byteToString(byte[] bytes)
static String	decrypt(String val, String key)
static String	encrypt(String val, String key)
static byte[]	hex2byte(byte[] b) 字符串转java字节码
static void	main(String[] args)
byte[]	rc4(byte[] buf) RC4 encryption/decryption.
byte[]	rc4(String data) RC4 encryption/decryption.

从类继承的方法 java.lang.Object

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

构造器详细资料

RC4Utils

public RC4Utils(String key)
         throws NullPointerException

Initializes the class with a string key. The length of a normal key should be between 1 and 2048 bits. But this method doens't check the length at all.

参数:

key - the encryption/decryption key

抛出:

NullPointerException

RC4Utils

public RC4Utils(byte[] key)
         throws NullPointerException

Initializes the class with a byte array key. The length of a normal key should be between 1 and 2048 bits. But this method doens't check the length at all.

参数:

key - the encryption/decryption key

抛出:

NullPointerException

方法详细资料

rc4

public byte[] rc4(String data)

RC4 encryption/decryption.

参数:

data - the data to be encrypted/decrypted

返回:

the result of the encryption/decryption

rc4

public byte[] rc4(byte[] buf)

RC4 encryption/decryption.

参数:

buf - the data to be encrypted/decrypted

返回:

the result of the encryption/decryption

hex2byte

public static byte[] hex2byte(byte[] b)

字符串转java字节码

参数:

b -

返回:

byteToString

public static String byteToString(byte[] bytes)

encrypt

public static String encrypt(String val,
                             String key)

decrypt

public static String decrypt(String val,
                             String key)

main

public static void main(String[] args)