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Rev | Author | Line No. | Line |
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205 | heavyiron | 1 | ; Пример реализации генератора MD5 - хеша |
2 | ; |
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3 | ; MD5 Generator |
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4 | ; |
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5 | ; Автор: Hex |
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6 | ; Сайт: www.mestack.narod.ru |
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7 | ; Идея, реализация и отладка. |
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8 | ; |
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9 | ; Автор: Halyavin |
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10 | ; Сайт: www.shade.msu.ru/~msu-se/home.html |
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11 | ; Доработка, отладка и оптимизация. |
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12 | ; |
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13 | ; Компилируеться Fasm'ом для МенуэтОС |
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14 | include 'lang.inc' |
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485 | heavyiron | 15 | include '..\..\..\..\macros.inc' |
205 | heavyiron | 16 | |
17 | use32 |
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18 | |||
19 | org 0x0 |
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20 | |||
21 | db 'MENUET01' ; 8-байтный идентификатор MenuetOS |
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22 | dd 0x01 ; версия заголовка (всегда 1) |
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23 | dd START ; адрес первой команды |
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24 | dd I_END ; размер программы |
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485 | heavyiron | 25 | dd 0x4000 ; количество памяти |
26 | dd 0x4000 ; адрес вершины стэка |
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205 | heavyiron | 27 | dd 0x0 ; адрес буфера для параметров (не используется) |
28 | dd 0x0 ; зарезервировано |
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29 | |||
30 | START: ; Начало выполнения программы |
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31 | |||
485 | heavyiron | 32 | red: |
205 | heavyiron | 33 | call draw_window ; Сперва перерисуем окно |
34 | |||
35 | still: |
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36 | |||
485 | heavyiron | 37 | mov eax,10 ; Ожидаем событий |
38 | mcall |
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205 | heavyiron | 39 | |
40 | cmp eax,1 ; Запрос на перерисовку ? |
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41 | jz red |
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42 | cmp eax,2 ; нажата клавиши ? |
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485 | heavyiron | 43 | jnz button |
205 | heavyiron | 44 | |
45 | key: |
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46 | mov eax,2 |
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485 | heavyiron | 47 | mcall |
205 | heavyiron | 48 | jmp still |
49 | |||
50 | button: |
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51 | mov eax,17 |
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485 | heavyiron | 52 | mcall |
205 | heavyiron | 53 | |
54 | cmp ah,1 ; id кнопки = 1 ? |
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55 | jnz noclose |
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485 | heavyiron | 56 | or eax,-1 |
57 | mcall |
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205 | heavyiron | 58 | |
59 | noclose: |
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60 | |||
61 | cmp ah,2 ; Генерировать? |
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62 | je procMD5hash |
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63 | |||
64 | jmp still |
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65 | |||
66 | |||
67 | procMD5hash: |
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68 | |||
69 | ; phase I - padding |
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70 | mov edi,ptBuffer |
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71 | mov eax,[dtBufferLength] |
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72 | |||
73 | inc eax |
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74 | add edi,eax |
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75 | mov byte [edi-1],0x80 |
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76 | |||
77 | xor edx,edx |
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78 | |||
79 | mov ebx,64 |
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80 | div ebx |
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81 | |||
82 | neg edx |
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83 | add edx,64 |
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84 | |||
85 | cmp edx,8 |
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86 | jae @f |
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87 | |||
88 | add edx,64 |
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89 | |||
90 | @@: mov ecx,edx |
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91 | xor al,al |
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92 | rep stosb |
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93 | |||
94 | mov eax,[dtBufferLength] |
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95 | |||
96 | inc edx |
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97 | add [dtBufferLength],edx |
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98 | |||
99 | xor edx,edx |
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100 | |||
101 | mov ebx,8 |
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102 | mul ebx |
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103 | |||
104 | mov [edi-8],eax |
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105 | mov [edi-4],edx |
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106 | |||
107 | mov edx,[dtBufferLength] |
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108 | |||
109 | mov edi,ptBuffer |
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110 | |||
111 | ; phase II - chaining variables initialization |
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112 | mov dword [dtA],067452301h |
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113 | mov dword [dtB],0efcdab89h |
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114 | mov dword [dtC],098badcfeh |
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115 | mov dword [dtD],010325476h |
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116 | |||
117 | mov esi,ptMD5Result |
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118 | |||
119 | hashloop: |
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120 | ;diff16 "hashloop",hashloop |
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121 | mov eax,[dtA] |
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122 | mov [dta],eax |
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123 | mov eax,[dtB] |
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124 | mov [dtb],eax |
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125 | mov eax,[dtC] |
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126 | mov [dtc],eax |
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127 | mov eax,[dtD] |
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128 | mov [dtd],eax |
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129 | |||
130 | macro ff dta,dtb,dtc,dtd,data,shift,cc |
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131 | { |
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132 | mov eax,dtb |
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133 | mov ebx,dtc |
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134 | mov ecx,dtd |
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135 | |||
136 | and ebx,eax |
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137 | not eax |
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138 | and eax,ecx |
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139 | or eax,ebx |
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140 | |||
141 | add eax,dta |
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142 | add eax,data |
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143 | add eax,cc |
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144 | rol eax,shift |
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145 | add eax,dtb |
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146 | mov dta,eax |
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147 | } |
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148 | macro gg dta,dtb,dtc,dtd,data,shift,cc |
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149 | { |
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150 | mov eax,dtb |
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151 | mov ebx,dtc |
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152 | mov ecx,dtd |
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153 | |||
154 | and eax,ecx |
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155 | not ecx |
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156 | and ecx,ebx |
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157 | or eax,ecx |
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158 | |||
159 | add eax,dta |
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160 | add eax,data |
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161 | add eax,cc |
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162 | rol eax,shift |
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163 | add eax,dtb |
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164 | mov dta,eax |
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165 | } |
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166 | macro hh dta,dtb,dtc,dtd,data,shift,cc |
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167 | { |
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168 | mov eax,dtb |
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169 | mov ebx,dtc |
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170 | mov ecx,dtd |
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171 | |||
172 | xor eax,ebx |
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173 | xor eax,ecx |
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174 | |||
175 | add eax,dta |
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176 | add eax,data |
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177 | add eax,cc |
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178 | rol eax,shift |
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179 | add eax,dtb |
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180 | mov dta,eax |
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181 | } |
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182 | macro ii dta,dtb,dtc,dtd,data,shift,cc |
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183 | { |
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184 | mov eax,dtb |
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185 | mov ebx,dtc |
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186 | mov ecx,dtd |
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187 | |||
188 | not ecx |
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189 | or eax,ecx |
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190 | xor eax,ebx |
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191 | |||
192 | add eax,dta |
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193 | add eax,data |
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194 | add eax,cc |
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195 | rol eax,shift |
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196 | add eax,dtb |
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197 | mov dta,eax |
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198 | } |
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199 | ; round 1 |
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200 | ff [dta],[dtb],[dtc],[dtd],dword [edi+00*4],07,0xd76aa478 |
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201 | ff [dtd],[dta],[dtb],[dtc],dword [edi+01*4],12,0xe8c7b756 |
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202 | ff [dtc],[dtd],[dta],[dtb],dword [edi+02*4],17,0x242070db |
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203 | ff [dtb],[dtc],[dtd],[dta],dword [edi+03*4],22,0xc1bdceee |
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204 | ff [dta],[dtb],[dtc],[dtd],dword [edi+04*4],07,0xf57c0faf |
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205 | ff [dtd],[dta],[dtb],[dtc],dword [edi+05*4],12,0x4787c62a |
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206 | ff [dtc],[dtd],[dta],[dtb],dword [edi+06*4],17,0xa8304613 |
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207 | ff [dtb],[dtc],[dtd],[dta],dword [edi+07*4],22,0xfd469501 |
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208 | ff [dta],[dtb],[dtc],[dtd],dword [edi+08*4],07,0x698098d8 |
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209 | ff [dtd],[dta],[dtb],[dtc],dword [edi+09*4],12,0x8b44f7af |
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210 | ff [dtc],[dtd],[dta],[dtb],dword [edi+10*4],17,0xffff5bb1 |
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211 | ff [dtb],[dtc],[dtd],[dta],dword [edi+11*4],22,0x895cd7be |
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212 | ff [dta],[dtb],[dtc],[dtd],dword [edi+12*4],07,0x6b901122 |
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213 | ff [dtd],[dta],[dtb],[dtc],dword [edi+13*4],12,0xfd987193 |
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214 | ff [dtc],[dtd],[dta],[dtb],dword [edi+14*4],17,0xa679438e |
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215 | ff [dtb],[dtc],[dtd],[dta],dword [edi+15*4],22,0x49b40821 |
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216 | ; round 2 |
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217 | gg [dta],[dtb],[dtc],[dtd],dword [edi+01*4],05,0xf61e2562 |
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218 | gg [dtd],[dta],[dtb],[dtc],dword [edi+06*4],09,0xc040b340 |
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219 | gg [dtc],[dtd],[dta],[dtb],dword [edi+11*4],14,0x265e5a51 |
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220 | gg [dtb],[dtc],[dtd],[dta],dword [edi+00*4],20,0xe9b6c7aa |
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221 | gg [dta],[dtb],[dtc],[dtd],dword [edi+05*4],05,0xd62f105d |
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222 | gg [dtd],[dta],[dtb],[dtc],dword [edi+10*4],09,0x02441453 |
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223 | gg [dtc],[dtd],[dta],[dtb],dword [edi+15*4],14,0xd8a1e681 |
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224 | gg [dtb],[dtc],[dtd],[dta],dword [edi+04*4],20,0xe7d3fbc8 |
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225 | gg [dta],[dtb],[dtc],[dtd],dword [edi+09*4],05,0x21e1cde6 |
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226 | gg [dtd],[dta],[dtb],[dtc],dword [edi+14*4],09,0xc33707d6 |
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227 | gg [dtc],[dtd],[dta],[dtb],dword [edi+03*4],14,0xf4d50d87 |
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228 | gg [dtb],[dtc],[dtd],[dta],dword [edi+08*4],20,0x455a14ed |
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229 | gg [dta],[dtb],[dtc],[dtd],dword [edi+13*4],05,0xa9e3e905 |
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230 | gg [dtd],[dta],[dtb],[dtc],dword [edi+02*4],09,0xfcefa3f8 |
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231 | gg [dtc],[dtd],[dta],[dtb],dword [edi+07*4],14,0x676f02d9 |
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232 | gg [dtb],[dtc],[dtd],[dta],dword [edi+12*4],20,0x8d2a4c8a |
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233 | ; round 3 |
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234 | hh [dta],[dtb],[dtc],[dtd],dword [edi+05*4],04,0xfffa3942 |
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235 | hh [dtd],[dta],[dtb],[dtc],dword [edi+08*4],11,0x8771f681 |
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236 | hh [dtc],[dtd],[dta],[dtb],dword [edi+11*4],16,0x6d9d6122 |
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237 | hh [dtb],[dtc],[dtd],[dta],dword [edi+14*4],23,0xfde5380c |
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238 | hh [dta],[dtb],[dtc],[dtd],dword [edi+01*4],04,0xa4beea44 |
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239 | hh [dtd],[dta],[dtb],[dtc],dword [edi+04*4],11,0x4bdecfa9 |
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240 | hh [dtc],[dtd],[dta],[dtb],dword [edi+07*4],16,0xf6bb4b60 |
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241 | hh [dtb],[dtc],[dtd],[dta],dword [edi+10*4],23,0xbebfbc70 |
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242 | hh [dta],[dtb],[dtc],[dtd],dword [edi+13*4],04,0x289b7ec6 |
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243 | hh [dtd],[dta],[dtb],[dtc],dword [edi+00*4],11,0xeaa127fa |
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244 | hh [dtc],[dtd],[dta],[dtb],dword [edi+03*4],16,0xd4ef3085 |
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245 | hh [dtb],[dtc],[dtd],[dta],dword [edi+06*4],23,0x04881d05 |
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246 | hh [dta],[dtb],[dtc],[dtd],dword [edi+09*4],04,0xd9d4d039 |
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247 | hh [dtd],[dta],[dtb],[dtc],dword [edi+12*4],11,0xe6db99e5 |
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248 | hh [dtc],[dtd],[dta],[dtb],dword [edi+15*4],16,0x1fa27cf8 |
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249 | hh [dtb],[dtc],[dtd],[dta],dword [edi+02*4],23,0xc4ac5665 |
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250 | ; round 4 |
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251 | ii [dta],[dtb],[dtc],[dtd],dword [edi+00*4],06,0xf4292244 |
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252 | ii [dtd],[dta],[dtb],[dtc],dword [edi+07*4],10,0x432aff97 |
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253 | ii [dtc],[dtd],[dta],[dtb],dword [edi+14*4],15,0xab9423a7 |
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254 | ii [dtb],[dtc],[dtd],[dta],dword [edi+05*4],21,0xfc93a039 |
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255 | ii [dta],[dtb],[dtc],[dtd],dword [edi+12*4],06,0x655b59c3 |
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256 | ii [dtd],[dta],[dtb],[dtc],dword [edi+03*4],10,0x8f0ccc92 |
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257 | ii [dtc],[dtd],[dta],[dtb],dword [edi+10*4],15,0xffeff47d |
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258 | ii [dtb],[dtc],[dtd],[dta],dword [edi+01*4],21,0x85845dd1 |
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259 | ii [dta],[dtb],[dtc],[dtd],dword [edi+08*4],06,0x6fa87e4f |
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260 | ii [dtd],[dta],[dtb],[dtc],dword [edi+15*4],10,0xfe2ce6e0 |
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261 | ii [dtc],[dtd],[dta],[dtb],dword [edi+06*4],15,0xa3014314 |
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262 | ii [dtb],[dtc],[dtd],[dta],dword [edi+13*4],21,0x4e0811a1 |
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263 | ii [dta],[dtb],[dtc],[dtd],dword [edi+04*4],06,0xf7537e82 |
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264 | ii [dtd],[dta],[dtb],[dtc],dword [edi+11*4],10,0xbd3af235 |
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265 | ii [dtc],[dtd],[dta],[dtb],dword [edi+02*4],15,0x2ad7d2bb |
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266 | ii [dtb],[dtc],[dtd],[dta],dword [edi+09*4],21,0xeb86d391 |
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267 | |||
268 | mov eax,[dta] |
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269 | add [dtA],eax |
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270 | mov eax,[dtb] |
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271 | add [dtB],eax |
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272 | mov eax,[dtc] |
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273 | add [dtC],eax |
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274 | mov eax,[dtd] |
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275 | add [dtD],eax |
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276 | |||
277 | add edi,64 |
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278 | |||
279 | sub edx,64 |
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280 | jnz hashloop |
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281 | |||
282 | ; phase IV - results |
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283 | |||
284 | mov ecx,4 |
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285 | mov esi,ptMD5Result |
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286 | |||
287 | @@: mov eax,[esi] |
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288 | xchg al,ah |
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289 | rol eax,16 |
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290 | xchg al,ah |
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291 | mov [esi],eax |
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292 | |||
293 | add esi,4 |
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294 | loop @b |
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295 | |||
296 | translate: |
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297 | ;diff16 "translate",translate |
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298 | mov esi,ptMD5Result-5 |
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299 | mov edi,hexresult |
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300 | mov ecx,16 |
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301 | @@: |
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302 | test ecx,3 |
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303 | jnz .nojmp |
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304 | add esi,8 |
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305 | .nojmp: |
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306 | xor eax,eax |
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307 | mov al,byte [esi] |
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308 | mov edx,eax |
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309 | shr eax,4 |
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310 | mov bl,byte [table+eax] |
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311 | mov [edi],bl |
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312 | inc edi |
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313 | and edx,15 |
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314 | mov bl,byte [table+edx] |
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315 | mov [edi],bl |
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316 | dec esi |
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317 | inc edi |
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318 | loop @b |
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319 | |||
320 | mov esi,hexresult |
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321 | |||
322 | mov [text], esi |
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323 | mov eax,32 |
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324 | mov [textlen], eax |
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325 | call draw_window |
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326 | |||
327 | jmp still |
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328 | |||
329 | ; ********************************************* |
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330 | ; ******* WINDOW DEFINITIONS AND DRAW ******** |
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331 | ; ********************************************* |
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332 | |||
333 | |||
334 | draw_window: |
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335 | |||
336 | mov eax,12 ; function 12:tell os about windowdraw |
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337 | mov ebx,1 ; 1, start of draw |
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485 | heavyiron | 338 | mcall |
205 | heavyiron | 339 | ; DRAW WINDOW |
340 | mov eax,0 ; function 0 : define and draw window |
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341 | mov ebx,100*65536+230 ; [x start] *65536 + [x size] |
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342 | mov ecx,60*65536+100 ; [y start] *65536 + [y size] |
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485 | heavyiron | 343 | mov edx,0x13ffffff ; color of work area RRGGBB |
344 | mov edi,title ; WINDOW LABEL |
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345 | mcall |
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205 | heavyiron | 346 | |
485 | heavyiron | 347 | |
205 | heavyiron | 348 | ; Рисуем кнопку для генерации |
349 | mov eax,8 ; function 8 : define and draw button |
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350 | mov ebx,20*65536+80 ; [x start] *65536 + [x size] |
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351 | mov ecx,34*65536+14 ; [y start] *65536 + [y size] |
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352 | mov edx,2 ; button id |
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353 | mov esi,0x5588dd ; button color RRGGBB |
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485 | heavyiron | 354 | mcall |
205 | heavyiron | 355 | |
356 | ; Название на кнопку |
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357 | mov eax,4 ; function 4 : write text to window |
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358 | mov ebx,23*65536+38 ; [x start] *65536 + [y start] |
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359 | mov ecx,0x000000 ; color of text RRGGBB |
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360 | mov edx,gen_txt ; pointer to text beginning |
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361 | mov esi,gen_len-gen_txt ; text length |
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485 | heavyiron | 362 | mcall |
205 | heavyiron | 363 | |
364 | mov ebx,20*65536+70 |
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365 | mov ecx,0x000000 |
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366 | mov edx,[text] |
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367 | xor eax,eax |
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368 | mov al, [textlen] |
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369 | mov esi,eax |
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370 | mov eax,4 |
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485 | heavyiron | 371 | mcall |
205 | heavyiron | 372 | |
373 | mov eax,12 ; function 12:tell os about windowdraw |
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374 | mov ebx,2 ; 2, end of draw |
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485 | heavyiron | 375 | mcall |
205 | heavyiron | 376 | |
377 | ret |
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378 | |||
379 | ;Область данных |
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380 | |||
485 | heavyiron | 381 | title db 'MD5 Generator',0 |
205 | heavyiron | 382 | |
383 | text: dd 0 |
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384 | textlen: dd 0 |
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385 | |||
386 | gen_txt: db 'Сгенерировать' |
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387 | gen_len: |
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388 | |||
389 | InputMD5Rez: dd 0 |
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390 | InputMD5Rezlen: |
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391 | |||
392 | ptBuffer: db '123' ;Заменить на генерируемое слово |
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393 | rb 61 |
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394 | dtBufferLength: dd 3 ;Размер ptBuffer |
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395 | |||
396 | ptMD5Result: |
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397 | |||
398 | dtA: dd 0 |
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399 | dtB: dd 0 |
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400 | dtC: dd 0 |
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401 | dtD: dd 0 |
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402 | |||
403 | dta: dd 0 |
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404 | dtb: dd 0 |
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405 | dtc: dd 0 |
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406 | dtd: dd 0 |
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407 | |||
408 | x: dd 0 |
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409 | s: dd 0 |
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410 | t: dd 0 |
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411 | |||
412 | table: db '0123456789abcdef' |
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413 | hexresult db 32 |
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414 | |||
415 | I_END: |