...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 恢復密鑰 SecretKey secretKey = new SecretKeySpec(key, DES); //Cipher完成加密/解密工作 Cipher cipher = Cipher.getInstance(DES); //根據密鑰,對Cipher初始化,并選擇加密還是解密 cipher.init(Cipher.ENCRYPT_MODE, secretKey); by...
javax.crypto.Cipher 源碼學習筆記 該類是JCE用來加密的引擎類,支持對稱和非對稱加密。該類的介紹可以參考:[[譯]JCA參考指南(二):核心類和接口](https://xshandow.gitee.io/201... 最近看了下OpenJDK中的Cipher源碼,現在介紹一下Cipher的內...
...-KeyFactory --X509EncodedKeySpec --PublicKey 加密、解密 --Cipher:為加密解密提供密碼功能的類 2-3 DH算法實現 代碼演示: package com.myimooc.security.dh; import org.apache.commons.codec.binary.Base64; import java...
...cretKeySpec(Base64.getDecoder().decode(key), DES);//恢復密鑰 Cipher cipher = null;//Cipher完成加密或解密工作類 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 { /** * 測試方法 */ 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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