Package com.wechat.pay.java.core.cipher

Class AbstractAeadCipher

java.lang.Object

com.wechat.pay.java.core.cipher.AbstractAeadCipher

All Implemented Interfaces:

AeadCipher

Direct Known Subclasses:

AeadAesCipher

public abstract class AbstractAeadCipher
extends Object
implements AeadCipher

带有关联数据的认证加密器

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractAeadCipher(String algorithm, String transformation, int tagLengthBit, byte[] key)

Method Summary

Modifier and Type	Method	Description
String	decrypt(byte[] associatedData, byte[] nonce, byte[] ciphertext)	解密并转换为字符串
String	encrypt(byte[] associatedData, byte[] nonce, byte[] plaintext)	加密并转换为字符串

Methods inherited from class java.lang.Object

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

Constructor Details

AbstractAeadCipher

protected AbstractAeadCipher(String algorithm,
 String transformation,
 int tagLengthBit,
 byte[] key)

Method Details

encrypt

public String encrypt(byte[] associatedData,
 byte[] nonce,
 byte[] plaintext)

加密并转换为字符串

Specified by:

encrypt in interface AeadCipher

Parameters:

associatedData - AAD，额外的认证加密数据，可以为空

nonce - IV，随机字符串初始化向量

plaintext - 明文

Returns:

Base64编码的密文

decrypt

public String decrypt(byte[] associatedData,
 byte[] nonce,
 byte[] ciphertext)

解密并转换为字符串

Specified by:

decrypt in interface AeadCipher

Parameters:

associatedData - AAD，额外的认证加密数据，可以为空

nonce - IV，随机字符串初始化向量

ciphertext - 密文

Returns:

UTF-8编码的明文