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            .h文件

            /******************************************************************************
             *  Copyright (C) 2000 by Robert Hubley.                                      *
             *  All rights reserved.                                                      *
             *                                                                            *
             *  This software is provided ``AS IS'' and any express or implied            *
             *  warranties, including, but not limited to, the implied warranties of      *
             *  merchantability and fitness for a particular purpose, are disclaimed.     *
             *  In no event shall the authors be liable for any direct, indirect,         *
             *  incidental, special, exemplary, or consequential damages (including, but  *
             *  not limited to, procurement of substitute goods or services; loss of use, *
             *  data, or profits; or business interruption) however caused and on any     *
             *  theory of liability, whether in contract, strict liability, or tort       *
             *  (including negligence or otherwise) arising in any way out of the use of  *
             *  this software, even if advised of the possibility of such damage.         *
             *                                                                            *
             ******************************************************************************

             MD5.H - header file for MD5C.C
             
               Port to Win32 DLL by Robert Hubley 1/5/2000

               Original Copyright:

              Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
              rights reserved.

              License to copy and use this software is granted provided that it
              is identified as the "RSA Data Security, Inc. MD5 Message-Digest
              Algorithm" in all material mentioning or referencing this software
              or this function.

              License is also granted to make and use derivative works provided
              that such works are identified as "derived from the RSA Data
              Security, Inc. MD5 Message-Digest Algorithm" in all material
              mentioning or referencing the derived work.
              
              RSA Data Security, Inc. makes no representations concerning either
              the merchantability of this software or the suitability of this
              software for any particular purpose. It is provided "as is"
              without express or implied warranty of any kind.

              These notices must be retained in any copies of any part of this
              documentation and/or software.
            */
            /******************************************************************************
             *  Copyright (C) 2000 by Robert Hubley.                                      *
             *  All rights reserved.                                                      *
             *                                                                            *
             *  This software is provided ``AS IS'' and any express or implied            *
             *  warranties, including, but not limited to, the implied warranties of      *
             *  merchantability and fitness for a particular purpose, are disclaimed.     *
             *  In no event shall the authors be liable for any direct, indirect,         *
             *  incidental, special, exemplary, or consequential damages (including, but  *
             *  not limited to, procurement of substitute goods or services; loss of use, *
             *  data, or profits; or business interruption) however caused and on any     *
             *  theory of liability, whether in contract, strict liability, or tort       *
             *  (including negligence or otherwise) arising in any way out of the use of  *
             *  this software, even if advised of the possibility of such damage.         *
             *                                                                            *
             ******************************************************************************
            */

            /******************************************************************************
             *   2002-4-18 Modified by Liguangyi.               *
             *   struct MD5_CTX ==> class MD5_CTX.                  *
             *   Take off the Globals Functions                                           *
             ******************************************************************************
            */

            #ifndef _LGY_MD5_H
            #define _LGY_MD5_H

            /* MD5 Class. */
            class MD5_CTX {
            public:
             MD5_CTX();
             virtual ~MD5_CTX();
             void MD5Update ( unsigned char *input, unsigned int inputLen);
             void MD5Final (unsigned char digest[16]);

            private:
             unsigned long int state[4];     /* state (ABCD) */
             unsigned long int count[2];     /* number of bits, modulo 2^64 (lsb first) */
             unsigned char buffer[64];       /* input buffer */
             unsigned char PADDING[64];  /* What? */

            private:
             void MD5Init ();
             void MD5Transform (unsigned long int state[4], unsigned char block[64]);
             void MD5_memcpy (unsigned char* output, unsigned char* input,unsigned int len);
             void Encode (unsigned char *output, unsigned long int *input,unsigned int len);
             void Decode (unsigned long int *output, unsigned char *input, unsigned int len);
             void MD5_memset (unsigned char* output,int value,unsigned int len);
            };

            #endif

             

             

             

            .cpp文件


            /******************************************************************************
            *  Copyright (C) 2000 by Robert Hubley.                                      *
            *  All rights reserved.                                                      *
            *                                                                            *
            *  This software is provided ``AS IS'' and any express or implied            *
            *  warranties, including, but not limited to, the implied warranties of      *
            *  merchantability and fitness for a particular purpose, are disclaimed.     *
            *  In no event shall the authors be liable for any direct, indirect,         *
            *  incidental, special, exemplary, or consequential damages (including, but  *
            *  not limited to, procurement of substitute goods or services; loss of use, *
            *  data, or profits; or business interruption) however caused and on any     *
            *  theory of liability, whether in contract, strict liability, or tort       *
            *  (including negligence or otherwise) arising in any way out of the use of  *
            *  this software, even if advised of the possibility of such damage.         *
            *                                                                            *
            ******************************************************************************

             MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm

             Port to Win32 DLL by Robert Hubley 1/5/2000

             Original Copyright:

             Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
             rights reserved.

             License to copy and use this software is granted provided that it
             is identified as the "RSA Data Security, Inc. MD5 Message-Digest
             Algorithm" in all material mentioning or referencing this software
             or this function.
               
             License is also granted to make and use derivative works provided
             that such works are identified as "derived from the RSA Data
             Security, Inc. MD5 Message-Digest Algorithm" in all material
             mentioning or referencing the derived work.
             
             RSA Data Security, Inc. makes no representations concerning either
             the merchantability of this software or the suitability of this
             software for any particular purpose. It is provided "as is"
             without express or implied warranty of any kind.
               
             These notices must be retained in any copies of any part of this
             documentation and/or software.
            */

            #include "md5.h"

            /* Constants for MD5Transform routine.
            */
            #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

            /* F, G, H and I are basic MD5 functions.
            */
            #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)))

            /* ROTATE_LEFT rotates x left n bits.
            */
            #define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))

            /* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
            Rotation is separate from addition to prevent recomputation.
            */
            #define FF(a, b, c, d, x, s, ac) { \
             (a) += F ((b), (c), (d)) + (x) + (unsigned long int)(ac); \
             (a) = ROTATE_LEFT ((a), (s)); \
             (a) += (b); \
             }
            #define GG(a, b, c, d, x, s, ac) { \
             (a) += G ((b), (c), (d)) + (x) + (unsigned long int)(ac); \
             (a) = ROTATE_LEFT ((a), (s)); \
             (a) += (b); \
             }
            #define HH(a, b, c, d, x, s, ac) { \
             (a) += H ((b), (c), (d)) + (x) + (unsigned long int)(ac); \
             (a) = ROTATE_LEFT ((a), (s)); \
             (a) += (b); \
             }
            #define II(a, b, c, d, x, s, ac) { \
             (a) += I ((b), (c), (d)) + (x) + (unsigned long int)(ac); \
             (a) = ROTATE_LEFT ((a), (s)); \
             (a) += (b); \
             }


            /* MD5 initialization. Begins an MD5 operation, writing a new context.
            */

            MD5_CTX::MD5_CTX()
            {
             MD5Init ();
            }

            MD5_CTX::~MD5_CTX()
            {
            }

            void MD5_CTX::MD5Init ()
            {
             this->count[0] = this->count[1] = 0;
             /* Load magic initialization constants.*/
             this->state[0] = 0x67452301;
             this->state[1] = 0xefcdab89;
             this->state[2] = 0x98badcfe;
             this->state[3] = 0x10325476;
             /* Add by Liguangyi */
             MD5_memset(PADDING, 0, sizeof(PADDING));
             *PADDING=0x80;
             //PADDING = {
             // 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 };
            }

            /* MD5 block update operation. Continues an MD5 message-digest
            operation, processing another message block, and updating the
            context.
            */
            void MD5_CTX::MD5Update (unsigned char *input,unsigned int inputLen)
            {
             unsigned int i, index, partLen;
             
             /* Compute number of bytes mod 64 */
             index = (unsigned int)((this->count[0] >> 3) & 0x3F);
             
             /* Update number of bits */
             if ((this->count[0] += ((unsigned long int)inputLen << 3))
              < ((unsigned long int)inputLen << 3))
              this->count[1]++;
             this->count[1] += ((unsigned long int)inputLen >> 29);
             
             partLen = 64 - index;
             
             /* Transform as many times as possible.
             */
             if (inputLen >= partLen) {
              MD5_memcpy((unsigned char*)&this->buffer[index],
               (unsigned char*)input, partLen);
              MD5Transform (this->state, this->buffer);
              
              for (i = partLen; i + 63 < inputLen; i += 64)
               MD5Transform (this->state, &input[i]);
              
              index = 0;
             }
             else
              i = 0;
             
             /* Buffer remaining input */
             MD5_memcpy ((unsigned char*)&this->buffer[index], (unsigned char*)&input[i], inputLen-i);
            }

            /* MD5 finalization. Ends an MD5 message-digest operation, writing the
            the message digest and zeroizing the context.
            */
            void MD5_CTX::MD5Final (unsigned char digest[16])
            {
             unsigned char bits[8];
             unsigned int index, padLen;
             
             /* Save number of bits */
             Encode (bits, this->count, 8);
             
             /* Pad out to 56 mod 64.
             */
             index = (unsigned int)((this->count[0] >> 3) & 0x3f);
             padLen = (index < 56) ? (56 - index) : (120 - index);
             MD5Update ( PADDING, padLen);
             
             /* Append length (before padding) */
             MD5Update (bits, 8);
             /* Store state in digest */
             Encode (digest, this->state, 16);
             
             /* Zeroize sensitive information.
             */
             MD5_memset ((unsigned char*)this, 0, sizeof (*this));
             this->MD5Init();
            }

            /* MD5 basic transformation. Transforms state based on block.
            */
            void MD5_CTX::MD5Transform (unsigned long int state[4], unsigned char block[64])
            {
             unsigned long int a = state[0], b = state[1], c = state[2], d = state[3], x[16];
             
             Decode (x, block, 64);
             
             /* Round 1 */
             FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
             FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
             FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
             FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
             FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
             FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
             FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
             FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
             FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
             FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
             FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
             FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
             FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
             FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
             FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
             FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
             
             /* Round 2 */
             GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
             GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
             GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
             GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
             GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
             GG (d, a, b, c, x[10], S22,  0x2441453); /* 22 */
             GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
             GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
             GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
             GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
             GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
             GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
             GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
             GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
             GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
             GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
             
             /* Round 3 */
             HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
             HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
             HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
             HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
             HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
             HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
             HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
             HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
             HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
             HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
             HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
             HH (b, c, d, a, x[ 6], S34,  0x4881d05); /* 44 */
             HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
             HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
             HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
             HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
             
             /* Round 4 */
             II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
             II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
             II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
             II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
             II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
             II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
             II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
             II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
             II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
             II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
             II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
             II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
             II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
             II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
             II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
             II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
             
             state[0] += a;
             state[1] += b;
             state[2] += c;
             state[3] += d;
             
             /* Zeroize sensitive information.
             */
             MD5_memset ((unsigned char*)x, 0, sizeof (x));
            }

            /* Encodes input (unsigned long int) into output (unsigned char). Assumes len is
            a multiple of 4.
            */
            void MD5_CTX::Encode (unsigned char *output, unsigned long int *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);
             }
            }

            /* Decodes input (unsigned char) into output (unsigned long int). Assumes len is
            a multiple of 4.
            */
            void MD5_CTX::Decode (unsigned long int *output, unsigned char *input, unsigned int len)
            {
             unsigned int i, j;
             
             for (i = 0, j = 0; j < len; i++, j += 4)
              output[i] = ((unsigned long int)input[j]) | (((unsigned long int)input[j+1]) << 8) |
              (((unsigned long int)input[j+2]) << 16) | (((unsigned long int)input[j+3]) << 24);
            }

            /* Note: Replace "for loop" with standard memcpy if possible.
            */

            void MD5_CTX::MD5_memcpy (unsigned char* output, unsigned char* input,unsigned int len)
            {
             unsigned int i;
             
             for (i = 0; i < len; i++)
              output[i] = input[i];
            }

            /* Note: Replace "for loop" with standard memset if possible.
            */
            void MD5_CTX::MD5_memset (unsigned char* output,int value,unsigned int len)
            {
             unsigned int i;
             
             for (i = 0; i < len; i++)
              ((char *)output)[i] = (char)value;
            }
            //-------------------------------------------------------------------------
            用法
                //TODO: Add your source code here
                MD5_CTX *before_password;
                before_password = new MD5_CTX();
                char *temp,final_string[16];
                temp = password.c_str();
                before_password->MD5Update(temp,password.Length());
                before_password->MD5Final(final_string);
                return BCD_to_AnsiString(final_string,16);   //將MD5加密的驗證碼用16進制顯示

            posted on 2008-05-03 17:26 信任 閱讀(488) 評論(0)  編輯 收藏 引用

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