cn.felord.callback

Class PKCS7Encoder

java.lang.Object

cn.felord.callback.PKCS7Encoder

class PKCS7Encoder
extends Object

提供基于PKCS7算法的加解密接口.

Field Summary

Fields

Modifier and Type	Field and Description
private static int	BLOCK_SIZE

Constructor Summary

Constructors

Constructor and Description
PKCS7Encoder()

Method Summary

Modifier and Type	Method and Description
(package private) static char	chr(int a) 将数字转化成ASCII码对应的字符，用于对明文进行补码
(package private) static byte[]	decode(byte[] decrypted) 删除解密后明文的补位字符
(package private) static byte[]	encode(int count) 获得对明文进行补位填充的字节.

Methods inherited from class java.lang.Object

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

Field Detail

BLOCK_SIZE

private static final int BLOCK_SIZE

See Also:

Constant Field Values

Constructor Detail

PKCS7Encoder

PKCS7Encoder()

Method Detail

encode

static byte[] encode(int count)

获得对明文进行补位填充的字节.

Parameters:

count - 需要进行填充补位操作的明文字节个数

Returns:

补齐用的字节数组

decode

static byte[] decode(byte[] decrypted)

删除解密后明文的补位字符

Parameters:

decrypted - 解密后的明文

Returns:

删除补位字符后的明文

chr

static char chr(int a)

将数字转化成ASCII码对应的字符，用于对明文进行补码

Parameters:

a - 需要转化的数字

Returns:

转化得到的字符