Mercurial > projects > ldc
annotate lphobos/std/md5.d @ 473:373489eeaf90
Applied downs' lphobos update
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Mon, 04 Aug 2008 19:28:49 +0200 |
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473
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1 /* md5.d - RSA Data Security, Inc., MD5 message-digest algorithm |
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2 * Derived from the RSA Data Security, Inc. MD5 Message-Digest Algorithm. |
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3 */ |
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4 |
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5 /** |
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6 * Computes MD5 digests of arbitrary data. MD5 digests are 16 byte quantities that are like a checksum or crc, but are more robust. |
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7 * |
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8 * There are two ways to do this. The first does it all in one function call to |
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9 * sum(). The second is for when the data is buffered. |
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10 * |
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11 * Bugs: |
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12 * MD5 digests have been demonstrated to not be unique. |
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13 * |
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14 * Author: |
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15 * The routines and algorithms are derived from the |
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16 * $(I RSA Data Security, Inc. MD5 Message-Digest Algorithm). |
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17 * |
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18 * References: |
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19 * $(LINK2 http://en.wikipedia.org/wiki/Md5, Wikipedia on MD5) |
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20 * |
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21 * Macros: |
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22 * WIKI = Phobos/StdMd5 |
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23 */ |
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24 |
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25 /++++++++++++++++++++++++++++++++ |
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26 Example: |
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27 |
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28 -------------------- |
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29 // This code is derived from the |
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30 // RSA Data Security, Inc. MD5 Message-Digest Algorithm. |
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31 |
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32 import std.md5; |
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33 |
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34 private import std.stdio; |
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35 private import std.string; |
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36 private import std.c.stdio; |
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37 private import std.c.string; |
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38 |
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39 int main(char[][] args) |
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40 { |
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41 foreach (char[] arg; args) |
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42 MDFile(arg); |
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43 return 0; |
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44 } |
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45 |
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46 /* Digests a file and prints the result. */ |
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47 void MDFile(char[] filename) |
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48 { |
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49 FILE* file; |
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50 MD5_CTX context; |
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51 int len; |
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52 ubyte[4 * 1024] buffer; |
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53 ubyte digest[16]; |
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54 |
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55 if ((file = fopen(std.string.toStringz(filename), "rb")) == null) |
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56 writefln("%s can't be opened", filename); |
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57 else |
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58 { |
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59 context.start(); |
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60 while ((len = fread(buffer, 1, buffer.sizeof, file)) != 0) |
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61 context.update(buffer[0 .. len]); |
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62 context.finish(digest); |
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63 fclose(file); |
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64 |
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65 writefln("MD5 (%s) = %s", filename, digestToString(digest)); |
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66 } |
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67 } |
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68 -------------------- |
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69 +/ |
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70 |
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71 /* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All |
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72 rights reserved. |
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73 |
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74 License to copy and use this software is granted provided that it |
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75 is identified as the "RSA Data Security, Inc. MD5 Message-Digest |
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76 Algorithm" in all material mentioning or referencing this software |
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77 or this function. |
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78 |
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79 License is also granted to make and use derivative works provided |
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80 that such works are identified as "derived from the RSA Data |
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81 Security, Inc. MD5 Message-Digest Algorithm" in all material |
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82 mentioning or referencing the derived work. |
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83 |
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84 RSA Data Security, Inc. makes no representations concerning either |
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85 the merchantability of this software or the suitability of this |
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86 software for any particular purpose. It is provided "as is" |
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87 without express or implied warranty of any kind. |
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88 These notices must be retained in any copies of any part of this |
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89 documentation and/or software. |
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90 */ |
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91 |
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92 /* NOTE: This file has been patched from the original DMD distribution to |
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93 work with the GDC compiler. |
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94 |
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95 Modified by David Friedman, September 2004 |
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96 */ |
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97 |
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98 module std.md5; |
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99 |
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100 //debug=md5; // uncomment to turn on debugging printf's |
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101 |
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102 import std.string; |
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103 |
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104 version(D_InlineAsm) |
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105 version(X86) |
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106 version = Asm86; |
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107 |
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108 /*************************************** |
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109 * Computes MD5 digest of array of data. |
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110 */ |
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111 |
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112 void sum(ubyte[16] digest, void[] data) |
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113 { |
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114 MD5_CTX context; |
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115 |
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116 context.start(); |
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117 context.update(data); |
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118 context.finish(digest); |
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119 } |
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120 |
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121 /****************** |
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122 * Prints a message digest in hexadecimal to stdout. |
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123 */ |
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124 void printDigest(ubyte digest[16]) |
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125 { |
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126 foreach (ubyte u; digest) |
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127 printf("%02x", u); |
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128 } |
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129 |
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130 /**************************************** |
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131 * Converts MD5 digest to a string. |
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132 */ |
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133 |
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134 char[] digestToString(ubyte[16] digest) |
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135 { |
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136 char[] result = new char[32]; |
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137 int i; |
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138 |
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139 foreach (ubyte u; digest) |
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140 { |
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141 result[i] = std.string.hexdigits[u >> 4]; |
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142 result[i + 1] = std.string.hexdigits[u & 15]; |
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143 i += 2; |
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144 } |
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145 return result; |
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146 } |
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147 |
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148 /** |
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149 * Holds context of MD5 computation. |
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150 * |
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151 * Used when data to be digested is buffered. |
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152 */ |
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153 struct MD5_CTX |
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154 { |
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155 uint state[4] = /* state (ABCD) */ |
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156 /* magic initialization constants */ |
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157 [0x67452301,0xefcdab89,0x98badcfe,0x10325476]; |
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158 |
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159 ulong count; /* number of bits, modulo 2^64 */ |
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160 ubyte buffer[64]; /* input buffer */ |
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161 |
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162 static ubyte[64] PADDING = |
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163 [ |
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164 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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165 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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166 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 |
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167 ]; |
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168 |
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169 /* F, G, H and I are basic MD5 functions. |
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170 */ |
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171 private static |
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172 { |
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173 uint F(uint x, uint y, uint z) { return (x & y) | (~x & z); } |
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174 uint G(uint x, uint y, uint z) { return (x & z) | (y & ~z); } |
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175 uint H(uint x, uint y, uint z) { return x ^ y ^ z; } |
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176 uint I(uint x, uint y, uint z) { return y ^ (x | ~z); } |
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177 } |
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178 |
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179 /* ROTATE_LEFT rotates x left n bits. |
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180 */ |
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181 static uint ROTATE_LEFT(uint x, uint n) |
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182 { |
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183 version (Asm86) |
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184 { |
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185 version (GNU) |
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186 { |
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187 asm |
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188 { |
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189 naked ; |
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190 mov ECX, n ; |
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191 mov EAX, x ; |
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192 rol EAX, CL ; |
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193 ret ; |
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194 } |
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195 } |
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196 else |
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197 { |
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198 asm |
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199 { naked ; |
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200 mov ECX,EAX ; |
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201 mov EAX,4[ESP] ; |
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202 rol EAX,CL ; |
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203 ret 4 ; |
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204 } |
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205 } |
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206 } |
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207 else |
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208 { |
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209 return (x << n) | (x >> (32-n)); |
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210 } |
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211 } |
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212 |
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213 /* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4. |
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214 * Rotation is separate from addition to prevent recomputation. |
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215 */ |
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216 static void FF(inout uint a, uint b, uint c, uint d, uint x, uint s, uint ac) |
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217 { |
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218 a += F (b, c, d) + x + cast(uint)(ac); |
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219 a = ROTATE_LEFT (a, s); |
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220 a += b; |
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221 } |
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222 |
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223 static void GG(inout uint a, uint b, uint c, uint d, uint x, uint s, uint ac) |
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224 { |
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225 a += G (b, c, d) + x + cast(uint)(ac); |
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226 a = ROTATE_LEFT (a, s); |
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227 a += b; |
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228 } |
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229 |
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230 static void HH(inout uint a, uint b, uint c, uint d, uint x, uint s, uint ac) |
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231 { |
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232 a += H (b, c, d) + x + cast(uint)(ac); |
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233 a = ROTATE_LEFT (a, s); |
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234 a += b; |
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235 } |
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236 |
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237 static void II(inout uint a, uint b, uint c, uint d, uint x, uint s, uint ac) |
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238 { |
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239 a += I (b, c, d) + x + cast(uint)(ac); |
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240 a = ROTATE_LEFT (a, s); |
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241 a += b; |
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242 } |
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243 |
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244 /** |
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245 * MD5 initialization. Begins an MD5 operation, writing a new context. |
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246 */ |
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247 void start() |
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248 { |
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249 *this = MD5_CTX.init; |
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250 } |
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251 |
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252 /** MD5 block update operation. Continues an MD5 message-digest |
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253 operation, processing another message block, and updating the |
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254 context. |
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255 */ |
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256 void update(void[] input) |
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257 { |
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258 uint index, partLen; |
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259 size_t i; |
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260 size_t inputLen = input.length; |
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261 |
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262 /* Compute number of bytes mod 64 */ |
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263 index = (cast(uint)count >> 3) & (64 - 1); |
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264 |
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265 /* Update number of bits */ |
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266 count += inputLen * 8; |
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267 |
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268 partLen = 64 - index; |
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269 |
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270 /* Transform as many times as possible. */ |
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271 if (inputLen >= partLen) |
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272 { |
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273 std.c.string.memcpy(&buffer[index], input.ptr, partLen); |
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274 transform (buffer.ptr); |
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275 |
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276 for (i = partLen; i + 63 < inputLen; i += 64) |
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277 transform ((cast(ubyte[])input)[i .. i + 64].ptr); |
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278 |
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279 index = 0; |
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280 } |
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281 else |
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282 i = 0; |
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283 |
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284 /* Buffer remaining input */ |
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285 if (inputLen - i) |
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286 std.c.string.memcpy(&buffer[index], &input[i], inputLen-i); |
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287 } |
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288 |
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289 /** MD5 finalization. Ends an MD5 message-digest operation, writing the |
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290 * the message to digest and zeroing the context. |
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291 */ |
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292 void finish(ubyte[16] digest) /* message digest */ |
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293 { |
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294 ubyte bits[8]; |
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295 uint index, padLen; |
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296 uint[2] cnt; |
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297 |
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298 /* Save number of bits */ |
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299 cnt[0] = cast(uint)count; |
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300 cnt[1] = cast(uint)(count >> 32); |
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301 Encode (bits.ptr, cnt.ptr, 8); |
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302 |
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303 /* Pad out to 56 mod 64. */ |
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304 index = (cast(uint)count >> 3) & (64 - 1); |
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305 padLen = (index < 56) ? (56 - index) : (120 - index); |
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306 update (PADDING[0 .. padLen]); |
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307 |
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308 /* Append length (before padding) */ |
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309 update (bits); |
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310 |
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311 /* Store state in digest */ |
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312 Encode (digest.ptr, state.ptr, 16); |
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313 |
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314 /* Zeroize sensitive information. */ |
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315 std.c.string.memset (this, 0, MD5_CTX.sizeof); |
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316 } |
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317 |
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318 /* MD5 basic transformation. Transforms state based on block. |
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319 */ |
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320 |
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321 /* Constants for MD5Transform routine. */ |
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322 enum |
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323 { |
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324 S11 = 7, |
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325 S12 = 12, |
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326 S13 = 17, |
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327 S14 = 22, |
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328 S21 = 5, |
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329 S22 = 9, |
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330 S23 = 14, |
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331 S24 = 20, |
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332 S31 = 4, |
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333 S32 = 11, |
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334 S33 = 16, |
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335 S34 = 23, |
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336 S41 = 6, |
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337 S42 = 10, |
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338 S43 = 15, |
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339 S44 = 21, |
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340 } |
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341 |
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342 private void transform (ubyte* /*[64]*/ block) |
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343 { |
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344 uint a = state[0], |
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345 b = state[1], |
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346 c = state[2], |
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347 d = state[3]; |
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348 uint[16] x; |
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349 |
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350 Decode (x.ptr, block, 64); |
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351 |
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352 /* Round 1 */ |
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353 FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */ |
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354 FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */ |
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355 FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */ |
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356 FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */ |
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357 FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */ |
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358 FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */ |
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359 FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */ |
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360 FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */ |
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361 FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */ |
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362 FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */ |
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363 FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */ |
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364 FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */ |
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365 FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */ |
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366 FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */ |
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367 FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */ |
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368 FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */ |
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369 |
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370 /* Round 2 */ |
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371 GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */ |
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372 GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */ |
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373 GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */ |
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374 GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */ |
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375 GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */ |
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376 GG (d, a, b, c, x[10], S22, 0x2441453); /* 22 */ |
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
377 GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
378 GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
379 GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
380 GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
381 GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
382 GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
383 GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
384 GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
385 GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
386 GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
387 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
388 /* Round 3 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
389 HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
390 HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
391 HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
392 HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
393 HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
394 HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
395 HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
396 HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
397 HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
398 HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
399 HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
400 HH (b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
401 HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
402 HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
403 HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
404 HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
405 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
406 /* Round 4 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
407 II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
408 II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
409 II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
410 II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
411 II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
412 II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
413 II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
414 II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
415 II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
416 II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
417 II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
418 II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
419 II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
420 II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
421 II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
422 II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
423 |
373489eeaf90
Applied downs' lphobos update
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parents:
diff
changeset
|
424 state[0] += a; |
373489eeaf90
Applied downs' lphobos update
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parents:
diff
changeset
|
425 state[1] += b; |
373489eeaf90
Applied downs' lphobos update
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parents:
diff
changeset
|
426 state[2] += c; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
427 state[3] += d; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
428 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
429 /* Zeroize sensitive information. */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
430 x[] = 0; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
431 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
432 |
373489eeaf90
Applied downs' lphobos update
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parents:
diff
changeset
|
433 /* Encodes input (uint) into output (ubyte). Assumes len is |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
434 a multiple of 4. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
435 */ |
373489eeaf90
Applied downs' lphobos update
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parents:
diff
changeset
|
436 private static void Encode (ubyte *output, uint *input, uint len) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
437 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
438 uint i, j; |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
439 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
440 for (i = 0, j = 0; j < len; i++, j += 4) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
441 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
442 uint u = input[i]; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
443 output[j] = cast(ubyte)(u); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
444 output[j+1] = cast(ubyte)(u >> 8); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
445 output[j+2] = cast(ubyte)(u >> 16); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
446 output[j+3] = cast(ubyte)(u >> 24); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
447 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
448 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
449 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
450 /* Decodes input (ubyte) into output (uint). Assumes len is |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
451 a multiple of 4. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
452 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
453 private static void Decode (uint *output, ubyte *input, uint len) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
454 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
455 uint i, j; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
456 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
457 for (i = 0, j = 0; j < len; i++, j += 4) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
458 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
459 version (LittleEndian) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
460 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
461 output[i] = *cast(uint*)&input[j]; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
462 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
463 else |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
464 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
465 output[i] = (cast(uint)input[j]) | ((cast(uint)input[j+1]) << 8) | |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
466 ((cast(uint)input[j+2]) << 16) | ((cast(uint)input[j+3]) << 24); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
467 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
468 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
469 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
470 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
471 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
472 unittest |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
473 { |
373489eeaf90
Applied downs' lphobos update
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parents:
diff
changeset
|
474 debug(md5) printf("std.md5.unittest\n"); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
475 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
476 ubyte[16] digest; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
477 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
478 sum (digest, ""); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
479 assert(digest == cast(ubyte[])x"d41d8cd98f00b204e9800998ecf8427e"); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
480 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
481 sum (digest, "a"); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
482 assert(digest == cast(ubyte[])x"0cc175b9c0f1b6a831c399e269772661"); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
483 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
484 sum (digest, "abc"); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
485 assert(digest == cast(ubyte[])x"900150983cd24fb0d6963f7d28e17f72"); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
486 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
487 sum (digest, "message digest"); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
488 assert(digest == cast(ubyte[])x"f96b697d7cb7938d525a2f31aaf161d0"); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
489 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
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490 sum (digest, "abcdefghijklmnopqrstuvwxyz"); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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491 assert(digest == cast(ubyte[])x"c3fcd3d76192e4007dfb496cca67e13b"); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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492 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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493 sum (digest, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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494 assert(digest == cast(ubyte[])x"d174ab98d277d9f5a5611c2c9f419d9f"); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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changeset
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495 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
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496 sum (digest, |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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changeset
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497 "1234567890123456789012345678901234567890" |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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changeset
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498 "1234567890123456789012345678901234567890"); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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499 assert(digest == cast(ubyte[])x"57edf4a22be3c955ac49da2e2107b67a"); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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changeset
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500 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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501 assert(digestToString(cast(ubyte[16])x"c3fcd3d76192e4007dfb496cca67e13b") |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
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502 == "C3FCD3D76192E4007DFB496CCA67E13B"); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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503 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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|
504 |