转载请注明出处:1、Java版package com.lyz.utils.common;import java.io.UnsupportedEncodingException;import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;/** * MD5加密 * @author liuyazhuang */public class MD5Hash {public static String md5Java(String message) {String digest = null;try {MessageDigest md = MessageDigest.getInstance("MD5");byte[] hash = md.digest(message.getBytes("UTF-8"));//converting byte array to Hexadecimal StringStringBuilder sb = new StringBuilder(2 * hash.length);for (byte b : hash) {sb.append(String.format("%02x", b & 0xff));}digest = sb.toString();} catch (UnsupportedEncodingException ex) {//Logger.getLogger(StringReplace.class.getName()).log(Level.SEVERE, null, ex);} catch (NoSuchAlgorithmException ex) {//Logger.getLogger(StringReplace.class.getName()).log(Level.SEVERE, null, ex);}return digest;}public static void main(String[] args) {System.out.println(md5Java("admin").toUpperCase());}}2、C++代码(1)md5.h#include <stdio.h> #include <stdlib.h>#include <time.h> #include <string.h> void MD5Digest(char *pszInput, unsigned long nInputSize, char *pszOutPut);(2)md5.cpp#include <stdio.h> #include <stdlib.h>#include <time.h> #include <string.h> #include "md5.h"typedef unsigned char *POINTER; typedef unsigned short int UINT2; typedef unsigned long int UINT4; typedef struct{UINT4 state[4];UINT4 count[2];unsigned char buffer[64]; } MD5_CTX; void MD5Init(MD5_CTX *); void MD5Update(MD5_CTX *, unsigned char *, unsigned int); void MD5Final(unsigned char [16], MD5_CTX *); #define S11 7 #define S12 12 #define S13 17 #define S14 22 #define S21 5 #define S22 9 #define S23 14 #define S24 20 #define S31 4 #define S32 11 #define S33 16 #define S34 23 #define S41 6 #define S42 10 #define S43 15 #define S44 21 static unsigned char PADDING[64] = {0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; #define F(x, y, z) (((x) & (y)) | ((~x) & (z))) #define G(x, y, z) (((x) & (z)) | ((y) & (~z))) #define H(x, y, z) ((x) ^ (y) ^ (z)) #define I(x, y, z) ((y) ^ ((x) | (~z))) #define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n)))) #define FF(a, b, c, d, x, s, ac) {(a) += F ((b), (c), (d)) + (x) + (UINT4)(ac);(a) = ROTATE_LEFT ((a), (s));(a) += (b);} #define GG(a, b, c, d, x, s, ac) {(a) += G ((b), (c), (d)) + (x) + (UINT4)(ac);(a) = ROTATE_LEFT ((a), (s));(a) += (b);} #define HH(a, b, c, d, x, s, ac) {(a) += H ((b), (c), (d)) + (x) + (UINT4)(ac);(a) = ROTATE_LEFT ((a), (s));(a) += (b);} #define II(a, b, c, d, x, s, ac) {(a) += I ((b), (c), (d)) + (x) + (UINT4)(ac);(a) = ROTATE_LEFT ((a), (s));(a) += (b); }inline void Encode(unsigned char *output, UINT4 *input, unsigned int len) {unsigned int i, j;for (i = 0, j = 0; j < len; i++, j += 4) {output[j] = (unsigned char)(input[i] & 0xff);output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);output[j+3] = (unsigned char)((input[i] >> 24) & 0xff);} } inline void Decode(UINT4 *output, unsigned char *input, unsigned int len) {unsigned int i, j;for (i = 0, j = 0; j < len; i++, j += 4)output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |(((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24); } inline void MD5Transform (UINT4 state[4], unsigned char block[64]) {UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];Decode (x, block, 64);FF (a, b, c, d, x[ 0], S11, 0xd76aa478);FF (d, a, b, c, x[ 1], S12, 0xe8c7b756);FF (c, d, a, b, x[ 2], S13, 0x242070db);FF (b, c, d, a, x[ 3], S14, 0xc1bdceee);FF (a, b, c, d, x[ 4], S11, 0xf57c0faf);FF (d, a, b, c, x[ 5], S12, 0x4787c62a);FF (c, d, a, b, x[ 6], S13, 0xa8304613);FF (b, c, d, a, x[ 7], S14, 0xfd469501);FF (a, b, c, d, x[ 8], S11, 0x698098d8);FF (d, a, b, c, x[ 9], S12, 0x8b44f7af);FF (c, d, a, b, x[10], S13, 0xffff5bb1);FF (b, c, d, a, x[11], S14, 0x895cd7be);FF (a, b, c, d, x[12], S11, 0x6b901122);FF (d, a, b, c, x[13], S12, 0xfd987193);FF (c, d, a, b, x[14], S13, 0xa679438e);FF (b, c, d, a, x[15], S14, 0x49b40821);GG (a, b, c, d, x[ 1], S21, 0xf61e2562); GG (d, a, b, c, x[ 6], S22, 0xc040b340);GG (c, d, a, b, x[11], S23, 0x265e5a51);GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa);GG (a, b, c, d, x[ 5], S21, 0xd62f105d);GG (d, a, b, c, x[10], S22,0x2441453);GG (c, d, a, b, x[15], S23, 0xd8a1e681);GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8);GG (a, b, c, d, x[ 9], S21, 0x21e1cde6);GG (d, a, b, c, x[14], S22, 0xc33707d6);GG (c, d, a, b, x[ 3], S23, 0xf4d50d87);GG (b, c, d, a, x[ 8], S24, 0x455a14ed);GG (a, b, c, d, x[13], S21, 0xa9e3e905);GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8);GG (c, d, a, b, x[ 7], S23, 0x676f02d9); GG (b, c, d, a, x[12], S24, 0x8d2a4c8a);HH (a, b, c, d, x[ 5], S31, 0xfffa3942);HH (d, a, b, c, x[ 8], S32, 0x8771f681);HH (c, d, a, b, x[11], S33, 0x6d9d6122);HH (b, c, d, a, x[14], S34, 0xfde5380c);HH (a, b, c, d, x[ 1], S31, 0xa4beea44);HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9);HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60);HH (b, c, d, a, x[10], S34, 0xbebfbc70);HH (a, b, c, d, x[13], S31, 0x289b7ec6);HH (d, a, b, c, x[ 0], S32, 0xeaa127fa);HH (c, d, a, b, x[ 3], S33, 0xd4ef3085);HH (b, c, d, a, x[ 6], S34,0x4881d05);HH (a, b, c, d, x[ 9], S31, 0xd9d4d039);HH (d, a, b, c, x[12], S32, 0xe6db99e5);HH (c, d, a, b, x[15], S33, 0x1fa27cf8);HH (b, c, d, a, x[ 2], S34, 0xc4ac5665);II (a, b, c, d, x[ 0], S41, 0xf4292244);II (d, a, b, c, x[ 7], S42, 0x432aff97);II (c, d, a, b, x[14], S43, 0xab9423a7);II (b, c, d, a, x[ 5], S44, 0xfc93a039);II (a, b, c, d, x[12], S41, 0x655b59c3);II (d, a, b, c, x[ 3], S42, 0x8f0ccc92);II (c, d, a, b, x[10], S43, 0xffeff47d);II (b, c, d, a, x[ 1], S44, 0x85845dd1);II (a, b, c, d, x[ 8], S41, 0x6fa87e4f);II (d, a, b, c, x[15], S42, 0xfe2ce6e0);II (c, d, a, b, x[ 6], S43, 0xa3014314);II (b, c, d, a, x[13], S44, 0x4e0811a1);II (a, b, c, d, x[ 4], S41, 0xf7537e82);II (d, a, b, c, x[11], S42, 0xbd3af235);II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb);II (b, c, d, a, x[ 9], S44, 0xeb86d391);state[0] += a;state[1] += b;state[2] += c;state[3] += d;memset ((POINTER)x, 0, sizeof (x));}inline void MD5Init(MD5_CTX *context) {context->count[0] = context->count[1] = 0;context->state[0] = 0x67452301;context->state[1] = 0xefcdab89;context->state[2] = 0x98badcfe;context->state[3] = 0x10325476; } inline void MD5Update(MD5_CTX *context, unsigned char *input, unsigned int inputLen) {unsigned int i, index, partLen;index = (unsigned int)((context->count[0] >> 3) & 0x3F);if ((context->count[0] += ((UINT4)inputLen << 3))< ((UINT4)inputLen << 3))context->count[1]++;context->count[1] += ((UINT4)inputLen >> 29);partLen = 64 – index;if (inputLen >= partLen) {memcpy((POINTER)&context->buffer[index], (POINTER)input, partLen);MD5Transform(context->state, context->buffer);for (i = partLen; i + 63 < inputLen; i += 64)MD5Transform (context->state, &input[i]);index = 0;}elsei = 0;memcpy((POINTER)&context->buffer[index], (POINTER)&input[i], inputLen-i); } inline void MD5Final(unsigned char digest[16], MD5_CTX *context) {unsigned char bits[8];unsigned int index, padLen;Encode (bits, context->count, 8);index = (unsigned int)((context->count[0] >> 3) & 0x3f);padLen = (index < 56) ? (56 – index) : (120 – index);MD5Update (context, PADDING, padLen);MD5Update (context, bits, 8);Encode (digest, context->state, 16);memset ((POINTER)context, 0, sizeof (*context));} void MD5Digest(char *pszInput, unsigned long nInputSize, char *pszOutPut) {MD5_CTX context;unsigned int len = strlen (pszInput);MD5Init (&context);MD5Update (&context, (unsigned char *)pszInput, len);MD5Final ((unsigned char *)pszOutPut, &context); } main() { char szDigest[16];char encrypt[200];printf("请输入要计算MD5值的字符串:"); gets(encrypt); printf("\n加密结果:"); MD5Digest(encrypt,strlen(encrypt),szDigest);int i; for (i=0;i<16;i++) printf ("%02X",(unsigned char)szDigest[i]); getchar();}3、运行效果
这里我们都以输入123456为例
(1)java输出结果如下:生命太过短暂，今天放弃了明天不一定能得到
