-/* +------------------------------------+\r * | Inspire Internet Relay Chat Daemon |\r * +------------------------------------+\r *\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team\r * See: http://www.inspircd.org/wiki/index.php/Credits\r *\r * This program is free but copyrighted software; see\r * the file COPYING for details.\r *\r * ---------------------------------------------------\r */\r\r/* $ModDesc: Allows for MD5 encrypted oper passwords */\r/* $ModDep: m_hash.h */\r\r#include "inspircd.h"\r#ifdef HAS_STDINT\r#include <stdint.h>\r#endif\r#include "users.h"\r#include "channels.h"\r#include "modules.h"\r#include "m_hash.h"\r\r/* The four core functions - F1 is optimized somewhat */\r#define F1(x, y, z) (z ^ (x & (y ^ z)))\r#define F2(x, y, z) F1(z, x, y)\r#define F3(x, y, z) (x ^ y ^ z)\r#define F4(x, y, z) (y ^ (x | ~z))\r\r/* This is the central step in the MD5 algorithm. */\r#define MD5STEP(f,w,x,y,z,in,s) \\r (w += f(x,y,z) + in, w = (w<<s | w>>(32-s)) + x)\r\r#ifndef HAS_STDINT\rtypedef unsigned int uint32_t;\r#endif\r\rtypedef uint32_t word32; /* NOT unsigned long. We don't support 16 bit platforms, anyway. */\rtypedef unsigned char byte;\r\r/** An MD5 context, used by m_opermd5\r */\rclass MD5Context : public classbase\r{\r public:\r word32 buf[4];\r word32 bytes[2];\r word32 in[16];\r};\r\rclass ModuleMD5 : public Module\r{\r void byteSwap(word32 *buf, unsigned words)\r {\r byte *p = (byte *)buf;\r \r do\r {\r *buf++ = (word32)((unsigned)p[3] << 8 | p[2]) << 16 |\r ((unsigned)p[1] << 8 | p[0]);\r p += 4;\r } while (--words);\r }\r\r void MD5Init(MD5Context *ctx, unsigned int* key = NULL)\r {\r /* These are the defaults for md5 */\r if (!key)\r {\r ctx->buf[0] = 0x67452301;\r ctx->buf[1] = 0xefcdab89;\r ctx->buf[2] = 0x98badcfe;\r ctx->buf[3] = 0x10325476;\r }\r else\r {\r ctx->buf[0] = key[0];\r ctx->buf[1] = key[1];\r ctx->buf[2] = key[2];\r ctx->buf[3] = key[3];\r }\r \r ctx->bytes[0] = 0;\r ctx->bytes[1] = 0;\r }\r\r void MD5Update(MD5Context *ctx, byte const *buf, int len)\r {\r word32 t;\r \r /* Update byte count */\r \r t = ctx->bytes[0];\r if ((ctx->bytes[0] = t + len) < t)\r ctx->bytes[1]++; /* Carry from low to high */\r \r t = 64 - (t & 0x3f); /* Space available in ctx->in (at least 1) */\r if ((unsigned)t > (unsigned)len)\r {\r memcpy((byte *)ctx->in + 64 - (unsigned)t, buf, len);\r return;\r }\r /* First chunk is an odd size */\r memcpy((byte *)ctx->in + 64 - (unsigned)t, buf, (unsigned)t);\r byteSwap(ctx->in, 16);\r MD5Transform(ctx->buf, ctx->in);\r buf += (unsigned)t;\r len -= (unsigned)t;\r \r /* Process data in 64-byte chunks */\r while (len >= 64)\r {\r memcpy(ctx->in, buf, 64);\r byteSwap(ctx->in, 16);\r MD5Transform(ctx->buf, ctx->in);\r buf += 64;\r len -= 64;\r }\r \r /* Handle any remaining bytes of data. */\r memcpy(ctx->in, buf, len);\r }\r \r void MD5Final(byte digest[16], MD5Context *ctx)\r {\r int count = (int)(ctx->bytes[0] & 0x3f); /* Bytes in ctx->in */\r byte *p = (byte *)ctx->in + count; /* First unused byte */\r \r /* Set the first char of padding to 0x80. There is always room. */\r *p++ = 0x80;\r \r /* Bytes of padding needed to make 56 bytes (-8..55) */\r count = 56 - 1 - count;\r \r if (count < 0)\r { /* Padding forces an extra block */\r memset(p, 0, count+8);\r byteSwap(ctx->in, 16);\r MD5Transform(ctx->buf, ctx->in);\r p = (byte *)ctx->in;\r count = 56;\r }\r memset(p, 0, count+8);\r byteSwap(ctx->in, 14);\r \r /* Append length in bits and transform */\r ctx->in[14] = ctx->bytes[0] << 3;\r ctx->in[15] = ctx->bytes[1] << 3 | ctx->bytes[0] >> 29;\r MD5Transform(ctx->buf, ctx->in);\r \r byteSwap(ctx->buf, 4);\r memcpy(digest, ctx->buf, 16);\r memset(ctx, 0, sizeof(ctx));\r }\r \r void MD5Transform(word32 buf[4], word32 const in[16])\r {\r register word32 a, b, c, d;\r \r a = buf[0];\r b = buf[1];\r c = buf[2];\r d = buf[3];\r \r MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);\r MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);\r MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);\r MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);\r MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);\r MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);\r MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);\r MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);\r MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);\r MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);\r MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);\r MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);\r MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);\r MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);\r MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);\r MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);\r \r MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);\r MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);\r MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);\r MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);\r MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);\r MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);\r MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);\r MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);\r MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);\r MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);\r MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);\r MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);\r MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);\r MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);\r MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);\r MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);\r \r MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);\r MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);\r MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);\r MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);\r MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);\r MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);\r MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);\r MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);\r MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);\r MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);\r MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);\r MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);\r MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);\r MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);\r MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);\r MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);\r \r MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);\r MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);\r MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);\r MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);\r MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);\r MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);\r MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);\r MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);\r MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);\r MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);\r MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);\r MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);\r MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);\r MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);\r MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);\r MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);\r \r buf[0] += a;\r buf[1] += b;\r buf[2] += c;\r buf[3] += d;\r }\r \r \r void MyMD5(void *dest, void *orig, int len, unsigned int* key)\r {\r MD5Context context;\r MD5Init(&context, key);\r MD5Update(&context, (const unsigned char*)orig, len);\r MD5Final((unsigned char*)dest, &context);\r }\r \r \r void GenHash(const char* src, char* dest, const char* xtab, unsigned int* key)\r {\r unsigned char bytes[16];\r\r MyMD5((char*)bytes, (void*)src, strlen(src), key);\r\r for (int i = 0; i < 16; i++)\r {\r *dest++ = xtab[bytes[i] / 16];\r *dest++ = xtab[bytes[i] % 16];\r }\r *dest++ = 0;\r }\r\r unsigned int *key;\r char* chars;\r\r public:\r\r ModuleMD5(InspIRCd* Me)\r : Module(Me), key(NULL), chars(NULL)\r {\r ServerInstance->PublishInterface("HashRequest", this);\r }\r \r virtual ~ModuleMD5()\r {\r ServerInstance->UnpublishInterface("HashRequest", this);\r }\r\r void Implements(char* List)\r {\r List[I_OnRequest] = 1;\r }\r \r virtual char* OnRequest(Request* request)\r {\r HashRequest* MD5 = (HashRequest*)request;\r\r if (strcmp("KEY", request->GetId()) == 0)\r {\r this->key = (unsigned int*)MD5->GetKeyData();\r }\r else if (strcmp("HEX", request->GetId()) == 0)\r {\r this->chars = (char*)MD5->GetOutputs();\r }\r else if (strcmp("SUM", request->GetId()) == 0)\r {\r static char data[MAXBUF];\r GenHash((const char*)MD5->GetHashData(), data, chars ? chars : "0123456789abcdef", key);\r return data;\r }\r else if (strcmp("NAME", request->GetId()) == 0)\r {\r return "md5";\r }\r else if (strcmp("RESET", request->GetId()) == 0)\r {\r this->chars = NULL;\r this->key = NULL;\r }\r return NULL;\r }\r\r virtual Version GetVersion()\r {\r return Version(1,1,0,1,VF_VENDOR|VF_SERVICEPROVIDER,API_VERSION);\r }\r};\r\rMODULE_INIT(ModuleMD5)\r
\ No newline at end of file
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
+ * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2006 Craig Edwards <craigedwards@brainbox.cc>
+ *
+ * This file is part of InspIRCd. InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "inspircd.h"
+#include "modules/hash.h"
+
+/* The four core functions - F1 is optimized somewhat */
+#define F1(x, y, z) (z ^ (x & (y ^ z)))
+#define F2(x, y, z) F1(z, x, y)
+#define F3(x, y, z) (x ^ y ^ z)
+#define F4(x, y, z) (y ^ (x | ~z))
+
+/* This is the central step in the MD5 algorithm. */
+#define MD5STEP(f,w,x,y,z,in,s) \
+ (w += f(x,y,z) + in, w = (w<<s | w>>(32-s)) + x)
+
+typedef uint32_t word32; /* NOT unsigned long. We don't support 16 bit platforms, anyway. */
+typedef unsigned char byte;
+
+/** An MD5 context, used by m_opermd5
+ */
+class MD5Context
+{
+ public:
+ word32 buf[4];
+ word32 bytes[2];
+ word32 in[16];
+};
+
+class MD5Provider : public HashProvider
+{
+ void byteSwap(word32 *buf, unsigned words)
+ {
+ byte *p = (byte *)buf;
+
+ do
+ {
+ *buf++ = (word32)((unsigned)p[3] << 8 | p[2]) << 16 |
+ ((unsigned)p[1] << 8 | p[0]);
+ p += 4;
+ } while (--words);
+ }
+
+ void MD5Init(MD5Context *ctx, unsigned int* ikey = NULL)
+ {
+ /* These are the defaults for md5 */
+ if (!ikey)
+ {
+ ctx->buf[0] = 0x67452301;
+ ctx->buf[1] = 0xefcdab89;
+ ctx->buf[2] = 0x98badcfe;
+ ctx->buf[3] = 0x10325476;
+ }
+ else
+ {
+ ctx->buf[0] = ikey[0];
+ ctx->buf[1] = ikey[1];
+ ctx->buf[2] = ikey[2];
+ ctx->buf[3] = ikey[3];
+ }
+
+ ctx->bytes[0] = 0;
+ ctx->bytes[1] = 0;
+ }
+
+ void MD5Update(MD5Context *ctx, byte const *buf, int len)
+ {
+ word32 t;
+
+ /* Update byte count */
+
+ t = ctx->bytes[0];
+ if ((ctx->bytes[0] = t + len) < t)
+ ctx->bytes[1]++; /* Carry from low to high */
+
+ t = 64 - (t & 0x3f); /* Space available in ctx->in (at least 1) */
+ if ((unsigned)t > (unsigned)len)
+ {
+ memcpy((byte *)ctx->in + 64 - (unsigned)t, buf, len);
+ return;
+ }
+ /* First chunk is an odd size */
+ memcpy((byte *)ctx->in + 64 - (unsigned)t, buf, (unsigned)t);
+ byteSwap(ctx->in, 16);
+ MD5Transform(ctx->buf, ctx->in);
+ buf += (unsigned)t;
+ len -= (unsigned)t;
+
+ /* Process data in 64-byte chunks */
+ while (len >= 64)
+ {
+ memcpy(ctx->in, buf, 64);
+ byteSwap(ctx->in, 16);
+ MD5Transform(ctx->buf, ctx->in);
+ buf += 64;
+ len -= 64;
+ }
+
+ /* Handle any remaining bytes of data. */
+ memcpy(ctx->in, buf, len);
+ }
+
+ void MD5Final(byte digest[16], MD5Context *ctx)
+ {
+ int count = (int)(ctx->bytes[0] & 0x3f); /* Bytes in ctx->in */
+ byte *p = (byte *)ctx->in + count; /* First unused byte */
+
+ /* Set the first char of padding to 0x80. There is always room. */
+ *p++ = 0x80;
+
+ /* Bytes of padding needed to make 56 bytes (-8..55) */
+ count = 56 - 1 - count;
+
+ if (count < 0)
+ { /* Padding forces an extra block */
+ memset(p, 0, count+8);
+ byteSwap(ctx->in, 16);
+ MD5Transform(ctx->buf, ctx->in);
+ p = (byte *)ctx->in;
+ count = 56;
+ }
+ memset(p, 0, count+8);
+ byteSwap(ctx->in, 14);
+
+ /* Append length in bits and transform */
+ ctx->in[14] = ctx->bytes[0] << 3;
+ ctx->in[15] = ctx->bytes[1] << 3 | ctx->bytes[0] >> 29;
+ MD5Transform(ctx->buf, ctx->in);
+
+ byteSwap(ctx->buf, 4);
+ memcpy(digest, ctx->buf, 16);
+ memset(ctx, 0, sizeof(*ctx));
+ }
+
+ void MD5Transform(word32 buf[4], word32 const in[16])
+ {
+ register word32 a, b, c, d;
+
+ a = buf[0];
+ b = buf[1];
+ c = buf[2];
+ d = buf[3];
+
+ MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
+ MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
+ MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
+ MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
+ MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
+ MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
+ MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
+ MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
+ MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
+ MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
+ MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
+ MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
+ MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
+ MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
+ MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
+ MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
+
+ MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
+ MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
+ MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
+ MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
+ MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
+ MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
+ MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
+ MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
+ MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
+ MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
+ MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
+ MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
+ MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
+ MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
+ MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
+ MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
+
+ MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
+ MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
+ MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
+ MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
+ MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
+ MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
+ MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
+ MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
+ MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
+ MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
+ MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
+ MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
+ MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
+ MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
+ MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
+ MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
+
+ MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
+ MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
+ MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
+ MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
+ MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
+ MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
+ MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
+ MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
+ MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
+ MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
+ MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
+ MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
+ MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
+ MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
+ MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
+ MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
+
+ buf[0] += a;
+ buf[1] += b;
+ buf[2] += c;
+ buf[3] += d;
+ }
+
+
+ void MyMD5(void *dest, void *orig, int len, unsigned int* ikey)
+ {
+ MD5Context context;
+ MD5Init(&context, ikey);
+ MD5Update(&context, (const unsigned char*)orig, len);
+ MD5Final((unsigned char*)dest, &context);
+ }
+
+
+ void GenHash(const char* src, char* dest, const char* xtab, unsigned int* ikey, size_t srclen)
+ {
+ unsigned char bytes[16];
+
+ MyMD5((char*)bytes, (void*)src, srclen, ikey);
+
+ for (int i = 0; i < 16; i++)
+ {
+ *dest++ = xtab[bytes[i] / 16];
+ *dest++ = xtab[bytes[i] % 16];
+ }
+ *dest++ = 0;
+ }
+ public:
+ std::string sum(const std::string& data)
+ {
+ char res[16];
+ MyMD5(res, (void*)data.data(), data.length(), NULL);
+ return std::string(res, 16);
+ }
+
+ MD5Provider(Module* parent) : HashProvider(parent, "hash/md5", 16, 64) {}
+};
+
+class ModuleMD5 : public Module
+{
+ MD5Provider md5;
+ public:
+ ModuleMD5() : md5(this)
+ {
+ }
+
+ Version GetVersion() CXX11_OVERRIDE
+ {
+ return Version("Implements MD5 hashing",VF_VENDOR);
+ }
+};
+
+MODULE_INIT(ModuleMD5)