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发信人: goodfrd(supervisor) 整理人: hunter__fox(2002-08-14 01:49:41), 站内信件 |
| DECLARE STRING MD5String IN MD5DLL.DLL AS MD5STRING;
STRING inputstr, INTEGER strlen DECLARE STRING MD5File IN MD5DLL.DLL AS MD5FILE; STRING filename 如： *!* 计算明细数据文件MD5 WAIT [正在计算明细数据文件签名...] WINDOW AT 6,80 NOWAIT CLEAR DLLS DECLARE STRING MD5File IN MD5DLL.DLL AS MD5FILE; STRING filename MD5_BEE103D = MD5FILE(c_DATA_FILE) =INKEY(1) WAIT CLEAR IF LEN(MD5_BEE103D) != 32 =MSG_ERR([计算明细数据文件签名出错！请联系电脑部人员！]) RETURN ENDIF 注意：我生成的MD5字母是大写的！ 我的MD5DLL.DLL是用 VC++ 6.0 生成的：全部源程序如下： // MD5DLL.cpp : Defines the entry point for the DLL application. // #include <windows.h> #include "GCFMD5.C" BOOL APIENTRY DllMain( HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved ) { switch (ul_reason_for_call) { case DLL_PROCESS_ATTACH: case DLL_THREAD_ATTACH: case DLL_THREAD_DETACH: case DLL_PROCESS_DETACH: break; } return TRUE; } /* GCFMD5.H -- General C functions for MD5 message-digest algorithm M.L.Y 2002.6 MODIFIED (YYYY.MM.DD) M.L.Y 2002.06.20 - Creation (Modified From MD5.H) */ #ifndef GCFMD5_H_INCLUDE # define GCFMD5_H_INCLUDE /* MD5.H - header file for MD5C.C */ /* 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 <stdio.h> #include <string.h> #ifndef USG_TYPE # define USG_TYPE typedef unsigned char USGC; typedef unsigned short USGS; typedef unsigned int USGI; typedef unsigned long USGL; #endif #ifndef U_INT # define U_INT /* POINTER defines a generic pointer type */ typedef unsigned char *POINTER; /* UINT2 defines a two byte word */ typedef unsigned short int UINT2; /* UINT4 defines a four byte word */ typedef unsigned long int UINT4; #endif /* MD5 context. */ #ifndef MD5CONTEXT # define MD5CONTEXT typedef struct { UINT4 state[4]; /* state (ABCD) */ UINT4 count[2]; /* number of bits, modulo 2^64 (lsb first) */ USGC buffer[64]; /* input buffer */ } MD5_CTX; #endif extern char MD5_digest_HEX[32+1]; #if defined(WIN32) && defined(_USRDLL) # define DLLexp extern "C" __declspec(dllexport) #else # define DLLexp #endif DLLexp void MD5Init(MD5_CTX *context); DLLexp void MD5Update(MD5_CTX *context, USGC *input, USGI inputLen); DLLexp void MD5Final(USGC digest[16], MD5_CTX *context); DLLexp char *MD5String(void *string, USGI len); DLLexp char *MD5File(char *filename); #endif /* GCFMD5_H_INCLUDE */ /* End of file */ /* GCFMD5.C -- General C functions for MD5 message-digest algorithm M.L.Y 2002.6 MODIFIED (YYYY.MM.DD) M.L.Y 2002.06.20 - Creation (Modified From MD5C.C) */ /* MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm */ /* 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 "GCFMD5.H" char MD5_digest_HEX[32+1]; /* 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 static void MD5Transform(UINT4 state[4], USGC block[64]); static void Encode(USGC *output, UINT4 *input, USGI len); static void Decode(UINT4 *output, USGC *input, USGI len); static USGC 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 }; /* 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) + (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); \ } /* MD5 initialization. Begins an MD5 operation, writing a new context. */ /* ------------------------------------------------------------------------- */ DLLexp void MD5Init(MD5_CTX *context) { context->count[0] = context->count[1] = 0; /* Load magic initialization constants. */ context->state[0] = 0x67452301; context->state[1] = 0xefcdab89; context->state[2] = 0x98badcfe; context->state[3] = 0x10325476; } /* MD5 block update operation. Continues an MD5 message-digest operation, processing another message block, and updating the context. */ /* ------------------------------------------------------------------------- */ DLLexp void MD5Update(MD5_CTX *context, USGC *input, USGI inputLen) /* input : input block */ /* inputLen : length of input block */ { USGI i, index, partLen; /* Compute number of bytes mod 64 */ index = (USGI)((context->count[0] >> 3) & 0x3F); /* Update number of bits */ if((context->count[0] += ((UINT4)inputLen << 3)) < ((UINT4)inputLen << 3)) context->count[1]++; context->count[1] += ((UINT4)inputLen >> 29); partLen = 64 - index; /* Transform as many times as possible. */ 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; } else i = 0; /* Buffer remaining input */ memcpy((POINTER)&context->buffer[index], (POINTER)&input[i], inputLen-i); } /* MD5 finalization. Ends an MD5 message-digest operation, writing the the message digest and zeroizing the context. */ /* ------------------------------------------------------------------------- */ DLLexp void MD5Final(USGC digest[16], MD5_CTX *context) /* digest[16] : message digest */ { USGC bits[8]; USGI index, padLen; /* Save number of bits */ Encode(bits, context->count, 8); /* Pad out to 56 mod 64. */ index = (USGI)((context->count[0] >> 3) & 0x3f); padLen = (index < 56) ? (56 - index) : (120 - index); MD5Update(context, PADDING, padLen); /* Append length (before padding) */ MD5Update(context, bits, 8); /* Store state in digest */ Encode(digest, context->state, 16); /* Zeroize sensitive information. */ memset((POINTER)context, 0, sizeof(*context)); } /* MD5 basic transformation. Transforms state based on block. */ /* ------------------------------------------------------------------------- */ static void MD5Transform(UINT4 state[4], USGC block[64]) { UINT4 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. */ memset((POINTER)x, 0, sizeof(x)); } /* Encodes input (UINT4) into output (unsigned char). Assumes len is a multiple of 4. */ /* ------------------------------------------------------------------------- */ static void Encode(USGC *output, UINT4 *input, USGI len) { USGI i, j; for(i = 0, j = 0; j < len; i++, j += 4) { output[j] = (USGC)(input[i] & 0xff); output[j+1] = (USGC)((input[i] >> 8) & 0xff); output[j+2] = (USGC)((input[i] >> 16) & 0xff); output[j+3] = (USGC)((input[i] >> 24) & 0xff); } } /* Decodes input (unsigned char) into output (UINT4). Assumes len is a multiple of 4. */ /* ------------------------------------------------------------------------- */ static void Decode(UINT4 *output, USGC *input, USGI len) { USGI 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); } /* ------------------------------------------------------------------------- */ DLLexp char *MD5String(void *string, USGI len) { MD5_CTX context; USGC digest[16], *msg = (USGC *)string; int i, j; MD5Init(&context); MD5Update(&context, msg, len); MD5Final(digest, &context); for(i = 0, j = 0; i < 16; i++, j += 2) sprintf(MD5_digest_HEX + j, "%02X", digest[i]); return MD5_digest_HEX; } /* ------------------------------------------------------------------------- */ DLLexp char *MD5File(char *filename) { FILE *fp; MD5_CTX context; int len, i, j; USGC buffer[1024], digest[16]; if((fp = fopen(filename, "rb")) == NULL) return NULL; MD5Init(&context); while((len = fread(buffer, 1, 1024, fp)) >= 0) { MD5Update(&context, buffer, len); if(len == 0) break; } MD5Final(digest, &context); fclose(fp); for(i = 0, j = 0; i < 16; i++, j += 2) sprintf(MD5_digest_HEX + j, "%02X", digest[i]); return MD5_digest_HEX; } /* End of file */ ---- 欢迎光临良友程序库:http://0d0a.126.com http://f12.my163.com,免费提供我的各种Source Code  兄弟我抛出几块砖，有玉的赶紧亮出来啊！ |
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