做wow宏的网站,WordPress上传ftp设置,零食网站建设需求分析,做物流网站费用https://www.cnblogs.com/miaoziblog/p/9040473.html近期由于项目需要使用SM4对数据进行加密#xff0c;然后传给Java后台#xff0c;Java后台使用的也是SM4的加密算法但是就是解密不正确#xff0c;经过一步步调试发现Java中好多数据类型与C#的相同的数据类型是存在不同的比…https://www.cnblogs.com/miaoziblog/p/9040473.html近期由于项目需要使用SM4对数据进行加密然后传给Java后台Java后台使用的也是SM4的加密算法但是就是解密不正确经过一步步调试发现Java中好多数据类型与C#的相同的数据类型是存在不同的比如byte在Java中范围是-127~128而C#中的范围是0~255这就导致使用C#的加密的明文产生的密文到Java中解密不正确。再一次偶尔的上网中看到了这篇文章 https://www.cnblogs.com/wyongbo/p/jnaTest.html个人做了个例子果然可以哎哎哎发现了新大陆哈哈哈哈^_^然后就按照这个思路既然C#和Java之间不能相互加密解密那就让他们使用同一个语言进行加密解密就是加密和解密都是用C#就可以完美的解决了。C#SM4加密代码下面详细解释各个类。首先以管理员打开VS(我使用的是VS2015)首先要下载一个dll包——BouncyCastle.Crypto.dll并将此dll引用到项目中Sm4类代码如下using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace SM4{public class Sm4{public const int SM4_ENCRYPT 1;public const int SM4_DECRYPT 0;private long GET_ULONG_BE(byte[] b, int i){long n (long)(b[i] 0xff) 24 | (long)((b[i 1] 0xff) 16) | (long)((b[i 2] 0xff) 8) | (long)(b[i 3] 0xff) 0xffffffffL;return n;}private void PUT_ULONG_BE(long n, byte[] b, int i){b[i] (byte)(int)(0xFF n 24);b[i 1] (byte)(int)(0xFF n 16);b[i 2] (byte)(int)(0xFF n 8);b[i 3] (byte)(int)(0xFF n);}private long SHL(long x, int n){return (x 0xFFFFFFFF) n;}private long ROTL(long x, int n){return SHL(x, n) | x (32 - n);}private void SWAP(long[] sk, int i){long t sk[i];sk[i] sk[(31 - i)];sk[(31 - i)] t;}public byte[] SboxTable new byte[] { (byte) 0xd6, (byte) 0x90, (byte) 0xe9, (byte) 0xfe,(byte) 0xcc, (byte) 0xe1, 0x3d, (byte) 0xb7, 0x16, (byte) 0xb6,0x14, (byte) 0xc2, 0x28, (byte) 0xfb, 0x2c, 0x05, 0x2b, 0x67,(byte) 0x9a, 0x76, 0x2a, (byte) 0xbe, 0x04, (byte) 0xc3,(byte) 0xaa, 0x44, 0x13, 0x26, 0x49, (byte) 0x86, 0x06,(byte) 0x99, (byte) 0x9c, 0x42, 0x50, (byte) 0xf4, (byte) 0x91,(byte) 0xef, (byte) 0x98, 0x7a, 0x33, 0x54, 0x0b, 0x43,(byte) 0xed, (byte) 0xcf, (byte) 0xac, 0x62, (byte) 0xe4,(byte) 0xb3, 0x1c, (byte) 0xa9, (byte) 0xc9, 0x08, (byte) 0xe8,(byte) 0x95, (byte) 0x80, (byte) 0xdf, (byte) 0x94, (byte) 0xfa,0x75, (byte) 0x8f, 0x3f, (byte) 0xa6, 0x47, 0x07, (byte) 0xa7,(byte) 0xfc, (byte) 0xf3, 0x73, 0x17, (byte) 0xba, (byte) 0x83,0x59, 0x3c, 0x19, (byte) 0xe6, (byte) 0x85, 0x4f, (byte) 0xa8,0x68, 0x6b, (byte) 0x81, (byte) 0xb2, 0x71, 0x64, (byte) 0xda,(byte) 0x8b, (byte) 0xf8, (byte) 0xeb, 0x0f, 0x4b, 0x70, 0x56,(byte) 0x9d, 0x35, 0x1e, 0x24, 0x0e, 0x5e, 0x63, 0x58, (byte) 0xd1,(byte) 0xa2, 0x25, 0x22, 0x7c, 0x3b, 0x01, 0x21, 0x78, (byte) 0x87,(byte) 0xd4, 0x00, 0x46, 0x57, (byte) 0x9f, (byte) 0xd3, 0x27,0x52, 0x4c, 0x36, 0x02, (byte) 0xe7, (byte) 0xa0, (byte) 0xc4,(byte) 0xc8, (byte) 0x9e, (byte) 0xea, (byte) 0xbf, (byte) 0x8a,(byte) 0xd2, 0x40, (byte) 0xc7, 0x38, (byte) 0xb5, (byte) 0xa3,(byte) 0xf7, (byte) 0xf2, (byte) 0xce, (byte) 0xf9, 0x61, 0x15,(byte) 0xa1, (byte) 0xe0, (byte) 0xae, 0x5d, (byte) 0xa4,(byte) 0x9b, 0x34, 0x1a, 0x55, (byte) 0xad, (byte) 0x93, 0x32,0x30, (byte) 0xf5, (byte) 0x8c, (byte) 0xb1, (byte) 0xe3, 0x1d,(byte) 0xf6, (byte) 0xe2, 0x2e, (byte) 0x82, 0x66, (byte) 0xca,0x60, (byte) 0xc0, 0x29, 0x23, (byte) 0xab, 0x0d, 0x53, 0x4e, 0x6f,(byte) 0xd5, (byte) 0xdb, 0x37, 0x45, (byte) 0xde, (byte) 0xfd,(byte) 0x8e, 0x2f, 0x03, (byte) 0xff, 0x6a, 0x72, 0x6d, 0x6c, 0x5b,0x51, (byte) 0x8d, 0x1b, (byte) 0xaf, (byte) 0x92, (byte) 0xbb,(byte) 0xdd, (byte) 0xbc, 0x7f, 0x11, (byte) 0xd9, 0x5c, 0x41,0x1f, 0x10, 0x5a, (byte) 0xd8, 0x0a, (byte) 0xc1, 0x31,(byte) 0x88, (byte) 0xa5, (byte) 0xcd, 0x7b, (byte) 0xbd, 0x2d,0x74, (byte) 0xd0, 0x12, (byte) 0xb8, (byte) 0xe5, (byte) 0xb4,(byte) 0xb0, (byte) 0x89, 0x69, (byte) 0x97, 0x4a, 0x0c,(byte) 0x96, 0x77, 0x7e, 0x65, (byte) 0xb9, (byte) 0xf1, 0x09,(byte) 0xc5, 0x6e, (byte) 0xc6, (byte) 0x84, 0x18, (byte) 0xf0,0x7d, (byte) 0xec, 0x3a, (byte) 0xdc, 0x4d, 0x20, 0x79,(byte) 0xee, 0x5f, 0x3e, (byte) 0xd7, (byte) 0xcb, 0x39, 0x48 };public uint[] FK { 0xa3b1bac6, 0x56aa3350, 0x677d9197, 0xb27022dc };public uint[] CK { 0x00070e15,0x1c232a31,0x383f464d,0x545b6269,0x70777e85,0x8c939aa1,0xa8afb6bd,0xc4cbd2d9,0xe0e7eef5,0xfc030a11,0x181f262d,0x343b4249,0x50575e65,0x6c737a81,0x888f969d,0xa4abb2b9,0xc0c7ced5,0xdce3eaf1,0xf8ff060d,0x141b2229,0x30373e45,0x4c535a61,0x686f767d,0x848b9299,0xa0a7aeb5,0xbcc3cad1,0xd8dfe6ed,0xf4fb0209,0x10171e25,0x2c333a41,0x484f565d,0x646b7279 };private byte sm4Sbox(byte inch){int i inch 0xFF;byte retVal SboxTable[i];return retVal;}private long sm4Lt(long ka){long bb 0L;long c 0L;byte[] a new byte[4];byte[] b new byte[4];PUT_ULONG_BE(ka, a, 0);b[0] sm4Sbox(a[0]);b[1] sm4Sbox(a[1]);b[2] sm4Sbox(a[2]);b[3] sm4Sbox(a[3]);bb GET_ULONG_BE(b, 0);c bb ^ ROTL(bb, 2) ^ ROTL(bb, 10) ^ ROTL(bb, 18) ^ ROTL(bb, 24);return c;}private long sm4F(long x0, long x1, long x2, long x3, long rk){return x0 ^ sm4Lt(x1 ^ x2 ^ x3 ^ rk);}private long sm4CalciRK(long ka){long bb 0L;long rk 0L;byte[] a new byte[4];byte[] b new byte[4];PUT_ULONG_BE(ka, a, 0);b[0] sm4Sbox(a[0]);b[1] sm4Sbox(a[1]);b[2] sm4Sbox(a[2]);b[3] sm4Sbox(a[3]);bb GET_ULONG_BE(b, 0);rk bb ^ ROTL(bb, 13) ^ ROTL(bb, 23);return rk;}private void sm4_setkey(long[] SK, byte[] key){long[] MK new long[4];long[] k new long[36];int i 0;MK[0] GET_ULONG_BE(key, 0);MK[1] GET_ULONG_BE(key, 4);MK[2] GET_ULONG_BE(key, 8);MK[3] GET_ULONG_BE(key, 12);k[0] MK[0] ^ (long)FK[0];k[1] MK[1] ^ (long)FK[1];k[2] MK[2] ^ (long)FK[2];k[3] MK[3] ^ (long)FK[3];for (; i 32; i){k[(i 4)] (k[i] ^ sm4CalciRK(k[(i 1)] ^ k[(i 2)] ^ k[(i 3)] ^ (long)CK[i]));SK[i] k[(i 4)];}}private void sm4_one_round(long[] sk, byte[] input, byte[] output){int i 0;long[] ulbuf new long[36];ulbuf[0] GET_ULONG_BE(input, 0);ulbuf[1] GET_ULONG_BE(input, 4);ulbuf[2] GET_ULONG_BE(input, 8);ulbuf[3] GET_ULONG_BE(input, 12);while (i 32){ulbuf[(i 4)] sm4F(ulbuf[i], ulbuf[(i 1)], ulbuf[(i 2)], ulbuf[(i 3)], sk[i]);i;}PUT_ULONG_BE(ulbuf[35], output, 0);PUT_ULONG_BE(ulbuf[34], output, 4);PUT_ULONG_BE(ulbuf[33], output, 8);PUT_ULONG_BE(ulbuf[32], output, 12);}private byte[] padding(byte[] input, int mode){if (input null){return null;}byte[] ret (byte[])null;if (mode SM4_ENCRYPT){int p 16 - input.Length % 16;ret new byte[input.Length p];Array.Copy(input, 0, ret, 0, input.Length);for (int i 0; i p; i){ret[input.Length i] (byte)p;}}else{int p input[input.Length - 1];ret new byte[input.Length - p];Array.Copy(input, 0, ret, 0, input.Length - p);}return ret;}public void sm4_setkey_enc(Sm4Context ctx, byte[] key){ctx.mode SM4_ENCRYPT;sm4_setkey(ctx.sk, key);}public void sm4_setkey_dec(Sm4Context ctx, byte[] key){int i 0;ctx.mode SM4_DECRYPT;sm4_setkey(ctx.sk, key);for (i 0; i 16; i){SWAP(ctx.sk, i);}}public byte[] sm4_crypt_ecb(Sm4Context ctx, byte[] input){if ((ctx.isPadding) (ctx.mode SM4_ENCRYPT)){input padding(input, SM4_ENCRYPT);}int length input.Length;byte[] bins new byte[length];Array.Copy(input, 0, bins, 0, length);byte[] bous new byte[length];for (int i 0; length 0; length - 16, i){byte[] inBytes new byte[16];byte[] outBytes new byte[16];Array.Copy(bins, i * 16, inBytes, 0, length 16 ? 16 : length);sm4_one_round(ctx.sk, inBytes, outBytes);Array.Copy(outBytes, 0, bous, i * 16, length 16 ? 16 : length);}if (ctx.isPadding ctx.mode SM4_DECRYPT){bous padding(bous, SM4_DECRYPT);}return bous;}public byte[] sm4_crypt_cbc(Sm4Context ctx, byte[] iv, byte[] input){if (ctx.isPadding ctx.mode SM4_ENCRYPT){input padding(input, SM4_ENCRYPT);}int i 0;int length input.Length;byte[] bins new byte[length];Array.Copy(input, 0, bins, 0, length);byte[] bous null;List bousList new List();if (ctx.mode SM4_ENCRYPT){for (int j 0; length 0; length - 16, j){byte[] inBytes new byte[16];byte[] outBytes new byte[16];byte[] out1 new byte[16];Array.Copy(bins, i * 16, inBytes, 0, length 16 ? 16 : length);for (i 0; i 16; i){outBytes[i] ((byte)(inBytes[i] ^ iv[i]));}sm4_one_round(ctx.sk, outBytes, out1);Array.Copy(out1, 0, iv, 0, 16);for (int k 0; k 16; k){bousList.Add(out1[k]);}}}else{byte[] temp new byte[16];for (int j 0; length 0; length - 16, j){byte[] inBytes new byte[16];byte[] outBytes new byte[16];byte[] out1 new byte[16];Array.Copy(bins, i * 16, inBytes, 0, length 16 ? 16 : length);Array.Copy(inBytes, 0, temp, 0, 16);sm4_one_round(ctx.sk, inBytes, outBytes);for (i 0; i 16; i){out1[i] ((byte)(outBytes[i] ^ iv[i]));}Array.Copy(temp, 0, iv, 0, 16);for (int k 0; k 16; k){bousList.Add(out1[k]);}}}if (ctx.isPadding ctx.mode SM4_DECRYPT){bous padding(bousList.ToArray(), SM4_DECRYPT);return bous;}else{return bousList.ToArray();}}}}Sm4Context类如下using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace SM4{public class Sm4Context{public int mode;public long[] sk;public bool isPadding;public Sm4Context(){this.mode 1;this.isPadding true;this.sk new long[32];}}}MainSm4类是SM4的访问函数如下using System;using System.Collections.Generic;using System.Linq;using System.Text;using Org.BouncyCastle.Utilities.Encoders;namespace SM4{public class MainSm4{/// /// 加密ECB模式/// /// 密钥/// 明文是否是十六进制/// 明文/// 返回密文public String Encrypt_ECB(String secretKey,bool hexString, String plainText){Sm4Context ctx new Sm4Context();ctx.isPadding true;ctx.mode Sm4.SM4_ENCRYPT;byte[] keyBytes;if (hexString){keyBytes Hex.Decode(secretKey);}else{keyBytes Encoding.Default.GetBytes(secretKey);}Sm4 sm4 new Sm4();sm4.sm4_setkey_enc(ctx, keyBytes);byte[] encrypted sm4.sm4_crypt_ecb(ctx, Encoding.Default.GetBytes(plainText));String cipherText Encoding.Default.GetString(Hex.Encode(encrypted));return cipherText;}/// /// 解密ECB模式/// /// 密钥/// 明文是否是十六进制/// 密文/// 返回明文public String Decrypt_ECB(String secretKey, bool hexString, String cipherText){Sm4Context ctx new Sm4Context();ctx.isPadding true;ctx.mode Sm4.SM4_DECRYPT;byte[] keyBytes;if (hexString){keyBytes Hex.Decode(secretKey);}else{keyBytes Encoding.Default.GetBytes(secretKey);}Sm4 sm4 new Sm4();sm4.sm4_setkey_dec(ctx, keyBytes);byte[] decrypted sm4.sm4_crypt_ecb(ctx, Hex.Decode(cipherText));return Encoding.Default.GetString(decrypted);}/// /// 加密CBC模式/// /// 密钥/// 明文是否是十六进制/// /// 明文/// 返回密文public String Encrypt_CBC(String secretKey, bool hexString,string iv, String plainText){Sm4Context ctx new Sm4Context();ctx.isPadding true;ctx.mode Sm4.SM4_ENCRYPT;byte[] keyBytes;byte[] ivBytes;if (hexString){keyBytes Hex.Decode(secretKey);ivBytes Hex.Decode(iv);}else{keyBytes Encoding.Default.GetBytes(secretKey);ivBytes Encoding.Default.GetBytes(iv);}Sm4 sm4 new Sm4();sm4.sm4_setkey_enc(ctx, keyBytes);byte[] encrypted sm4.sm4_crypt_cbc(ctx, ivBytes, Encoding.Default.GetBytes(plainText));String cipherText Encoding.Default.GetString(Hex.Encode(encrypted));return cipherText;}/// /// 解密CBC模式/// /// 密钥/// 明文是否是十六进制/// /// 密文/// 返回明文public String Decrypt_CBC(String secretKey, bool hexString, string iv, String cipherText){Sm4Context ctx new Sm4Context();ctx.isPadding true;ctx.mode Sm4.SM4_DECRYPT;byte[] keyBytes;byte[] ivBytes;if (hexString){keyBytes Hex.Decode(secretKey);ivBytes Hex.Decode(iv);}else{keyBytes Encoding.Default.GetBytes(secretKey);ivBytes Encoding.Default.GetBytes(iv);}Sm4 sm4 new Sm4();sm4.sm4_setkey_dec(ctx, keyBytes);byte[] decrypted sm4.sm4_crypt_cbc(ctx, ivBytes, Hex.Decode(cipherText));return Encoding.Default.GetString(decrypted);}}}设置一下项目项目右击点属性然后编译项目。下面是C的项目创建C项目(我的项目名和这个不一样)C项目添加引用C#项目。新建源文件 main.cpp代码如下/**********************************2017-9-5 21:02:51声明需要被java调用的方法该方法和java接口内部方法保持一致预处理语句目的是暴露函数供外部调用。************************/#ifdef MYLIBAPI#else#define MYLIBAPI extern C __declspec(dllimport)#endif//添加函数声明MYLIBAPI char* Encrypt_ECB(char* secretKey, int hexString, char* plainText);MYLIBAPI char* Decrypt_ECB(char* secretKey, int hexString, char* cipherText);MYLIBAPI char* Encrypt_CBC(char* secretKey, int hexString, char* iv, char* plainText);MYLIBAPI char* Decrypt_CBC(char* secretKey, int hexString, char* iv, char* cipherText);using namespace System;using namespace SM4;//using namespace System::Runtime::InteropServices::mchar* Encrypt_ECB(char* secretKey, int hexString, char* plainText){String ^ secretKeyStr gcnew String(secretKey);String ^ plainTextStr gcnew String(plainText);MainSm4 ^mainsm gcnew MainSm4();String ^resultString mainsm-Encrypt_ECB(secretKeyStr, hexString, plainTextStr);char* result (char*)(void*)System::Runtime::InteropServices::Marshal::StringToCoTaskMemAnsi(resultString);return result;}char* Decrypt_ECB(char* secretKey, int hexString, char* cipherText){String ^ secretKeyStr gcnew String(secretKey);String ^ cipherTextStr gcnew String(cipherText);MainSm4 ^mainsm gcnew MainSm4();String ^resultString mainsm-Decrypt_ECB(secretKeyStr, hexString, cipherTextStr);char* result (char*)(void*)System::Runtime::InteropServices::Marshal::StringToCoTaskMemAnsi(resultString);return result;}char* Encrypt_CBC(char* secretKey, int hexString, char* iv, char* plainText){String ^ secretKeyStr gcnew String(secretKey);String ^ ivStr gcnew String(iv);String ^ plainTextStr gcnew String(plainText);MainSm4 ^mainsm gcnew MainSm4();String ^resultString mainsm-Encrypt_CBC(secretKeyStr, hexString, ivStr, plainTextStr);char* result (char*)(void*)System::Runtime::InteropServices::Marshal::StringToCoTaskMemAnsi(resultString);return result;}char* Decrypt_CBC(char* secretKey, int hexString, char* iv, char* cipherText){String ^ secretKeyStr gcnew String(secretKey);String ^ ivStr gcnew String(iv);String ^ cipherTextStr gcnew String(cipherText);MainSm4 ^mainsm gcnew MainSm4();String ^resultString mainsm-Decrypt_CBC(secretKeyStr, hexString, ivStr, cipherTextStr);char* result (char*)(void*)System::Runtime::InteropServices::Marshal::StringToCoTaskMemAnsi(resultString);return result;}C项目设置右击属性下面开始Java项目Java项目中要用到 jna的包和jna-platform的包下载地址https://github.com/java-native-access/jna新建Java空项目在src中添加packagecom.xxx.test然后再包中添加 class文件CLibray1如下package com.javaInvokeCsharp.test;import com.sun.jna.Library;import com.sun.jna.Native;/***ClassNameClibrary*DescriptionTODO*AuthorMiaoZi*Date2018-05-14下午 07:01*Version1.0**/interface CLibrary1 extends Library {//路径为C的Dll路径CLibrary1 INSTANCE (CLibrary1) Native.loadLibrary(D:\\译会C#\\JavaInvokeSm4\\SM4CPP\\Debug\\SM4CPP,CLibrary1.class);/*需要调用的方法,方法名与c方法名相同*/String Encrypt_ECB(String secretKey,boolean hexString, String plainText);String Decrypt_ECB(String secretKey, boolean hexString, String cipherText);String Encrypt_CBC(String secretKey, boolean hexString,String iv, String plainText);String Decrypt_CBC(String secretKey, boolean hexString, String iv, String cipherText);}InvokeTest.Java如下package com.javaInvokeCsharp.test;import com.sun.jna.Library;import com.sun.jna.Native;import java.util.*;/***ClassNameInvokeTest*DescriptionTODO*AuthorMiaoZi*Date2018-05-14下午 06:59*Version1.0* 需要引入jna-4.4.0.jar 和 jna-platform-4.4.0* 包下载地址https://github.com/java-native-access/jna**/class InvokeTest {/*** 调用示例*paramargs*throwsException*/public static void main(String[] args) throws Exception{System.out.println(System.getProperty(java.version));//输出当前jdk版本号System.out.println(System.getProperty(sun.arch.data.model));//输出当前jdk所用平台CLibrary1 clib CLibrary1.INSTANCE;//秘钥String secretKey6228480038286822978;boolean hexStringfalse;// 要加密的内容String plainText123456;String iv0000000000000000;//解密的明文String cipherText;while (true) {Scanner sc new Scanner(System.in);System.out.println(请输入密码);plainText sc.next();System.out.println(明文 plainText);cipherText clib.Encrypt_ECB(secretKey, hexString, plainText);System.out.println(加密密文 cipherText);System.out.println(请输入密文);cipherText sc.next();plainText ;plainText clib.Decrypt_ECB(secretKey, hexString, cipherText);System.out.println(解密明文 plainText);System.out.println( new String(plainText.getBytes(),ASCII));}//System.out.println(测试返回结果cipherText);}}OK完美实现Java和C#的SM4加密解密问题。问题大家运行到这里应该会出错因为Java可以找到C的dll到时没有找到C#的怎么办呢我们需要把C#的Debug目录下的这两个文件拷贝到jak的bin目录里。然后再试一下就OK啦
