Definition in file md5.h.
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Classes | |
struct | MD5Context |
Stores MD5 context for computing. More... | |
Typedefs | |
typedef MD5Context | MD5_CTX_ |
typedef unsigned long | uint32 |
Functions | |
void | byteReverse (unsigned char *buf, unsigned longs) |
void | MD5Final (unsigned char digest[16], MD5Context *ctx) |
void | MD5Init (MD5Context *ctx) |
void | MD5Transform (uint32 buf[4], uint32 in[16]) |
void | MD5Update (MD5Context *ctx, unsigned char *buf, unsigned len) |
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Definition at line 69 of file md5.cpp. Referenced by s_bot_command::flip(), s_bot_control::flip_header(), irc_quoted_callback(), MD5Final(), and MD5Update(). 00070 { 00071 #ifndef HIGHFIRST 00072 return; 00073 #else 00074 uint32 t; 00075 do { 00076 t = (uint32) ((unsigned) buf[3] << 8 | buf[2]) << 16 | 00077 ((unsigned) buf[1] << 8 | buf[0]); 00078 *(uint32 *) buf = t; 00079 buf += 4; 00080 } while (--longs); 00081 #endif 00082 }
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Definition at line 151 of file md5.cpp. References MD5Context::bits, MD5Context::buf, byteReverse(), MD5Context::in, and MD5Transform(). Referenced by botnet_loop(), and dcc_loop(). 00152 { 00153 unsigned count; 00154 unsigned char *p; 00155 00156 /* Compute number of bytes mod 64 */ 00157 count = (ctx->bits[0] >> 3) & 0x3F; 00158 00159 /* Set the first char of padding to 0x80. This is safe since there is 00160 always at least one byte free */ 00161 p = ctx->in + count; 00162 *p++ = 0x80; 00163 00164 /* Bytes of padding needed to make 64 bytes */ 00165 count = 64 - 1 - count; 00166 00167 /* Pad out to 56 mod 64 */ 00168 if (count < 8) { 00169 /* Two lots of padding: Pad the first block to 64 bytes */ 00170 memset(p, 0, count); 00171 byteReverse(ctx->in, 16); 00172 MD5Transform(ctx->buf, (uint32 *) ctx->in); 00173 00174 /* Now fill the next block with 56 bytes */ 00175 memset(ctx->in, 0, 56); 00176 } else { 00177 /* Pad block to 56 bytes */ 00178 memset(p, 0, count - 8); 00179 } 00180 byteReverse(ctx->in, 14); 00181 00182 /* Append length in bits and transform */ 00183 ((uint32 *) ctx->in)[14] = ctx->bits[0]; 00184 ((uint32 *) ctx->in)[15] = ctx->bits[1]; 00185 00186 MD5Transform(ctx->buf, (uint32 *) ctx->in); 00187 byteReverse((unsigned char *) ctx->buf, 4); 00188 memcpy(digest, ctx->buf, 16); 00189 memset(ctx, 0, sizeof(ctx)); /* In case it's sensitive */ 00190 }
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Definition at line 88 of file md5.cpp. References MD5Context::bits, and MD5Context::buf. Referenced by botnet_loop(), and dcc_loop(). 00089 { 00090 ctx->buf[0] = 0x67452301; 00091 ctx->buf[1] = 0xefcdab89; 00092 ctx->buf[2] = 0x98badcfe; 00093 ctx->buf[3] = 0x10325476; 00094 00095 ctx->bits[0] = 0; 00096 ctx->bits[1] = 0; 00097 }
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Definition at line 210 of file md5.cpp. References F1, F2, F3, F4, and MD5STEP. Referenced by MD5Final(), and MD5Update(). 00211 { 00212 register uint32 a, b, c, d; 00213 00214 a = buf[0]; 00215 b = buf[1]; 00216 c = buf[2]; 00217 d = buf[3]; 00218 00219 MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7); 00220 MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12); 00221 MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17); 00222 MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22); 00223 MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7); 00224 MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12); 00225 MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17); 00226 MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22); 00227 MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7); 00228 MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12); 00229 MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17); 00230 MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22); 00231 MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7); 00232 MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12); 00233 MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17); 00234 MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22); 00235 00236 MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5); 00237 MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9); 00238 MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14); 00239 MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20); 00240 MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5); 00241 MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9); 00242 MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14); 00243 MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20); 00244 MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5); 00245 MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9); 00246 MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14); 00247 MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20); 00248 MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5); 00249 MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9); 00250 MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14); 00251 MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20); 00252 00253 MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4); 00254 MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11); 00255 MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16); 00256 MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23); 00257 MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4); 00258 MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11); 00259 MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16); 00260 MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23); 00261 MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4); 00262 MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11); 00263 MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16); 00264 MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23); 00265 MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4); 00266 MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11); 00267 MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16); 00268 MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23); 00269 00270 MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6); 00271 MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10); 00272 MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15); 00273 MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21); 00274 MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6); 00275 MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10); 00276 MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15); 00277 MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21); 00278 MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6); 00279 MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10); 00280 MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15); 00281 MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21); 00282 MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6); 00283 MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10); 00284 MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15); 00285 MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21); 00286 00287 buf[0] += a; 00288 buf[1] += b; 00289 buf[2] += c; 00290 buf[3] += d; 00291 }
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Definition at line 103 of file md5.cpp. References MD5Context::bits, MD5Context::buf, byteReverse(), MD5Context::in, and MD5Transform(). Referenced by botnet_loop(), and dcc_loop(). 00104 { 00105 uint32 t; 00106 00107 /* Update bitcount */ 00108 00109 t = ctx->bits[0]; 00110 if ((ctx->bits[0] = t + ((uint32) len << 3)) < t) 00111 ctx->bits[1]++; /* Carry from low to high */ 00112 ctx->bits[1] += len >> 29; 00113 00114 t = (t >> 3) & 0x3f; /* Bytes already in shsInfo->data */ 00115 00116 /* Handle any leading odd-sized chunks */ 00117 00118 if (t) { 00119 unsigned char *p = (unsigned char *) ctx->in + t; 00120 00121 t = 64 - t; 00122 if (len < t) { 00123 memcpy(p, buf, len); 00124 return; 00125 } 00126 memcpy(p, buf, t); 00127 byteReverse(ctx->in, 16); 00128 MD5Transform(ctx->buf, (uint32 *) ctx->in); 00129 buf += t; 00130 len -= t; 00131 } 00132 /* Process data in 64-byte chunks */ 00133 00134 while (len >= 64) { 00135 memcpy(ctx->in, buf, 64); 00136 byteReverse(ctx->in, 16); 00137 MD5Transform(ctx->buf, (uint32 *) ctx->in); 00138 buf += 64; 00139 len -= 64; 00140 } 00141 00142 /* Handle any remaining bytes of data. */ 00143 00144 memcpy(ctx->in, buf, len); 00145 }
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