加解密：基于 java 实现 des ede3 cbc pkcs#5 算法

算法"/>

加解密：基于 java 实现 des ede3 cbc pkcs#5 算法

加解密：基于 java 实现 des ede3 cbc pkcs#5 算法

Code：

import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESedeKeySpec;
import javax.crypto.spec.IvParameterSpec;public class test1280 {public static final byte[] KEY	= {(byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78, (byte) 0x90, (byte) 0xab, (byte) 0xcd, (byte) 0xef,(byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78, (byte) 0x90, (byte) 0xab, (byte) 0xcd, (byte) 0xef,(byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78, (byte) 0x90, (byte) 0xab, (byte) 0xcd, (byte) 0xef,};public static final byte[] IV	= {(byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78, (byte) 0x90, (byte) 0xab, (byte) 0xcd, (byte) 0xef,};/*** 十六进制打印字节数组* @param b byte[]*/public static void printBytes(byte[] b){for(int i=0;i<b.length;i++){System.out.printf("%02x ", b[i]);}System.out.println();}public static void encrypt_des_ede_cbc_pkcs() throws Exception{byte[] in = "test1280".getBytes("UTF-8");Cipher cipher = Cipher.getInstance("DESede/CBC/PKCS5Padding");SecretKeyFactory skf = SecretKeyFactory.getInstance("DESede");SecretKey sk = skf.generateSecret(new DESedeKeySpec(KEY));IvParameterSpec ips = new IvParameterSpec(IV);cipher.init(Cipher.ENCRYPT_MODE, sk, ips);byte[] out = cipher.doFinal(in);printBytes(out);}public static void decrypt_des_ede_cbc_pkcs() throws Exception{byte[] out = {(byte) 0x64, (byte) 0x5a, (byte) 0x6b, (byte) 0xd6, (byte) 0xbf, (byte) 0xf8, (byte) 0x36, (byte) 0xb2,(byte) 0x4f, (byte) 0xd1, (byte) 0x74, (byte) 0xf6, (byte) 0xe7, (byte) 0xf6, (byte) 0xaf, (byte) 0xdb,};Cipher cipher = Cipher.getInstance("DESede/CBC/PKCS5Padding");SecretKeyFactory skf = SecretKeyFactory.getInstance("DESede");SecretKey sk = skf.generateSecret(new DESedeKeySpec(KEY));IvParameterSpec ips = new IvParameterSpec(IV);cipher.init(Cipher.DECRYPT_MODE, sk, ips);byte[] in = cipher.doFinal(out);printBytes(in);}public static void main(String[] args) throws Exception{// TODO Auto-generated method stubencrypt_des_ede_cbc_pkcs();decrypt_des_ede_cbc_pkcs();}}

执行：

64 5a 6b d6 bf f8 36 b2 4f d1 74 f6 e7 f6 af db 
74 65 73 74 31 32 38 30 

等价的，基于 openssl 实现 des ede3 cbc pkcs#5 算法，请参见：