Package org.aoju.bus.crypto.symmetric

Class ChaCha20

java.lang.Object

org.aoju.bus.crypto.symmetric.Crypto

org.aoju.bus.crypto.symmetric.ChaCha20

All Implemented Interfaces:

Serializable, Decryptor, Encryptor

public class ChaCha20
extends Crypto

ChaCha20算法实现 ChaCha系列流密码，作为salsa密码的改良版，具有更强的抵抗密码分析攻击的特性，“20”表示该算法有20轮的加密计算

Since:

Java 17+

Author:

Kimi Liu

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ALGORITHM_NAME

Constructor Summary

Constructors

Constructor	Description
ChaCha20(byte[] key, byte[] iv)	构造

Method Summary

Methods inherited from class org.aoju.bus.crypto.symmetric.Crypto

decrypt, decrypt, encrypt, encrypt, getCipher, getSecretKey, init, setIv, setIv, setMode, setParams, setRandom, update, updateHex

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.aoju.bus.crypto.symmetric.Decryptor

decrypt, decrypt, decryptStr, decryptStr, decryptStr, decryptStr, decryptStr, decryptStr

Methods inherited from interface org.aoju.bus.crypto.symmetric.Encryptor

encrypt, encrypt, encrypt, encrypt, encryptBase64, encryptBase64, encryptBase64, encryptBase64, encryptBase64, encryptHex, encryptHex, encryptHex, encryptHex, encryptHex

Field Details

ALGORITHM_NAME

public static final String ALGORITHM_NAME

See Also:

• Constant Field Values

Constructor Details

ChaCha20

public ChaCha20(byte[] key,
 byte[] iv)

构造

Parameters:

key - 密钥

iv - 加盐，12bytes（64bit）