Mercurial > projects > ldc
annotate lphobos/std/md5.d @ 650:aa6a0b7968f7
Added test case for bug #100
Removed dubious check for not emitting static private global in other modules without access. This should be handled properly somewhere else, it's causing unresolved global errors for stuff that should work (in MiniD)
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Sun, 05 Oct 2008 17:28:15 +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 |