...t org.bouncycastle.jce.provider.BouncyCastleProvider; import javax.crypto.Cipher; import javax.crypto.KeyGenerator; import javax.crypto.SecretKey; import javax.crypto.SecretKeyFactory; import java...
...key 恢复密钥 SecretKey secretKey = new SecretKeySpec(key, DES); //Cipher完成加密/解密工作 Cipher cipher = Cipher.getInstance(DES); //根据密钥,对Cipher初始化,并选择加密还是解密 cipher.init(Cipher.ENCRYPT_MODE, secretKey); by...
javax.crypto.Cipher 源码学习笔记 该类是JCE用来加密的引擎类,支持对称和非对称加密。该类的介绍可以参考:[[译]JCA参考指南(二):核心类和接口](https://xshandow.gitee.io/201... 最近看了下OpenJDK中的Cipher源码,现在介绍一下Cipher的内...
...-KeyFactory --X509EncodedKeySpec --PublicKey 加密、解密 --Cipher:为加密解密提供密码功能的类 2-3 DH算法实现 代码演示: package com.myimooc.security.dh; import org.apache.commons.codec.binary.Base64; import java...
...cretKeySpec(Base64.getDecoder().decode(key), DES);//恢复密钥 Cipher cipher = null;//Cipher完成加密或解密工作类 try { cipher = Cipher.getInstance(DES); } catch (NoSuchAlgorithm...
...AES) import org.apache.commons.codec.binary.Base64; import javax.crypto.Cipher; import javax.crypto.SecretKey; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; im...
...rypto.SecretKeyFactory; import javax.crypto.SecretKey; import javax.crypto.Cipher; public class DES { /** * 测试方法 */ public static void main(String[] args) { String str = ...
....binary.Base64; import org.apache.commons.io.IOUtils; import javax.crypto.Cipher; import java.io.ByteArrayOutputStream; import java.security.*; import java.security.interfaces.RSAPublicKey; import...
....binary.Base64; import org.apache.commons.io.IOUtils; import javax.crypto.Cipher; import java.io.ByteArrayOutputStream; import java.security.*; import java.security.interfaces.RSAPublicKey; import...
...ncryptUseDES:(NSString *)plainText key:(NSString *)key { NSString *ciphertext = nil; const charchar *textBytes = [plainText UTF8String]; NSUInteger dataLength = [plainText lengt...
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