fix a encryption issue for negative md5sum

This commit is contained in:
clowwindy 2012-11-08 21:28:31 +08:00
parent a6a8c0f435
commit c66107107d

View file

@ -1,9 +1,52 @@
#!/usr/bin/python
target1 = [[60,53,84,138,217,94,88,23,39,242,219,35,12,157,165,181,255,143,83,247,162,16,31,209,190,171,115,65,38,41,21,245,236,46,121,62,166,233,44,154,153,145,230,49,128,216,173,29,241,119,64,229,194,103,131,110,26,197,218,59,204,56,27,34,141,221,149,239,192,195,24,155,170,183,11,254,213,37,137,226,75,203,55,19,72,248,22,129,33,175,178,10,198,71,77,36,113,167,48,2,117,140,142,66,199,232,243,32,123,54,51,82,57,177,87,251,150,196,133,5,253,130,8,184,14,152,231,3,186,159,76,89,228,205,156,96,163,146,18,91,132,85,80,109,172,176,105,13,50,235,127,0,189,95,98,136,250,200,108,179,211,214,106,168,78,79,74,210,30,73,201,151,208,114,101,174,92,52,120,240,15,169,220,182,81,224,43,185,40,99,180,17,212,158,42,90,9,191,45,6,25,4,222,67,126,1,116,124,206,69,61,7,68,97,202,63,244,20,28,58,93,134,104,144,227,147,102,118,135,148,47,238,86,112,122,70,107,215,100,139,223,225,164,237,111,125,207,160,187,246,234,161,188,193,249,252],[151,205,99,127,201,119,199,211,122,196,91,74,12,147,124,180,21,191,138,83,217,30,86,7,70,200,56,62,218,47,168,22,107,88,63,11,95,77,28,8,188,29,194,186,38,198,33,230,98,43,148,110,177,1,109,82,61,112,219,59,0,210,35,215,50,27,103,203,212,209,235,93,84,169,166,80,130,94,164,165,142,184,111,18,2,141,232,114,6,131,195,139,176,220,5,153,135,213,154,189,238,174,226,53,222,146,162,236,158,143,55,244,233,96,173,26,206,100,227,49,178,34,234,108,207,245,204,150,44,87,121,54,140,118,221,228,155,78,3,239,101,64,102,17,223,41,137,225,229,66,116,171,125,40,39,71,134,13,193,129,247,251,20,136,242,14,36,97,163,181,72,25,144,46,175,89,145,113,90,159,190,15,183,73,123,187,128,248,252,152,24,197,68,253,52,69,117,57,92,104,157,170,214,81,60,133,208,246,172,23,167,160,192,76,161,237,45,4,58,10,182,65,202,240,185,241,79,224,132,51,42,126,105,37,250,149,32,243,231,67,179,48,9,106,216,31,249,19,85,254,156,115,255,120,75,16]]
target2 = [[124 , 30 , 170 , 247 , 27 , 127 , 224 , 59 , 13 , 22 , 196 , 76 , 72 , 154 , 32 , 209 , 4 , 2 , 131 , 62 , 101 , 51 , 230 , 9 , 166 , 11 , 99 , 80 , 208 , 112 , 36 , 248 , 81 , 102 , 130 , 88 , 218 , 38 , 168 , 15 , 241 , 228 , 167 , 117 , 158 , 41 , 10 , 180 , 194 , 50 , 204 , 243 , 246 , 251 , 29 , 198 , 219 , 210 , 195 , 21 , 54 , 91 , 203 , 221 , 70 , 57 , 183 , 17 , 147 , 49 , 133 , 65 , 77 , 55 , 202 , 122 , 162 , 169 , 188 , 200 , 190 , 125 , 63 , 244 , 96 , 31 , 107 , 106 , 74 , 143 , 116 , 148 , 78 , 46 , 1 , 137 , 150 , 110 , 181 , 56 , 95 , 139 , 58 , 3 , 231 , 66 , 165 , 142 , 242 , 43 , 192 , 157 , 89 , 175 , 109 , 220 , 128 , 0 , 178 , 42 , 255 , 20 , 214 , 185 , 83 , 160 , 253 , 7 , 23 , 92 , 111 , 153 , 26 , 226 , 33 , 176 , 144 , 18 , 216 , 212 , 28 , 151 , 71 , 206 , 222 , 182 , 8 , 174 , 205 , 201 , 152 , 240 , 155 , 108 , 223 , 104 , 239 , 98 , 164 , 211 , 184 , 34 , 193 , 14 , 114 , 187 , 40 , 254 , 12 , 67 , 93 , 217 , 6 , 94 , 16 , 19 , 82 , 86 , 245 , 24 , 197 , 134 , 132 , 138 , 229 , 121 , 5 , 235 , 238 , 85 , 47 , 103 , 113 , 179 , 69 , 250 , 45 , 135 , 156 , 25 , 61 , 75 , 44 , 146 , 189 , 84 , 207 , 172 , 119 , 53 , 123 , 186 , 120 , 171 , 68 , 227 , 145 , 136 , 100 , 90 , 48 , 79 , 159 , 149 , 39 , 213 , 236 , 126 , 52 , 60 , 225 , 199 , 105 , 73 , 233 , 252 , 118 , 215 , 35 , 115 , 64 , 37 , 97 , 129 , 161 , 177 , 87 , 237 , 141 , 173 , 191 , 163 , 140 , 234 , 232 , 249],[117 , 94 , 17 , 103 , 16 , 186 , 172 , 127 , 146 , 23 , 46 , 25 , 168 , 8 , 163 , 39 , 174 , 67 , 137 , 175 , 121 , 59 , 9 , 128 , 179 , 199 , 132 , 4 , 140 , 54 , 1 , 85 , 14 , 134 , 161 , 238 , 30 , 241 , 37 , 224 , 166 , 45 , 119 , 109 , 202 , 196 , 93 , 190 , 220 , 69 , 49 , 21 , 228 , 209 , 60 , 73 , 99 , 65 , 102 , 7 , 229 , 200 , 19 , 82 , 240 , 71 , 105 , 169 , 214 , 194 , 64 , 142 , 12 , 233 , 88 , 201 , 11 , 72 , 92 , 221 , 27 , 32 , 176 , 124 , 205 , 189 , 177 , 246 , 35 , 112 , 219 , 61 , 129 , 170 , 173 , 100 , 84 , 242 , 157 , 26 , 218 , 20 , 33 , 191 , 155 , 232 , 87 , 86 , 153 , 114 , 97 , 130 , 29 , 192 , 164 , 239 , 90 , 43 , 236 , 208 , 212 , 185 , 75 , 210 , 0 , 81 , 227 , 5 , 116 , 243 , 34 , 18 , 182 , 70 , 181 , 197 , 217 , 95 , 183 , 101 , 252 , 248 , 107 , 89 , 136 , 216 , 203 , 68 , 91 , 223 , 96 , 141 , 150 , 131 , 13 , 152 , 198 , 111 , 44 , 222 , 125 , 244 , 76 , 251 , 158 , 106 , 24 , 42 , 38 , 77 , 2 , 213 , 207 , 249 , 147 , 113 , 135 , 245 , 118 , 193 , 47 , 98 , 145 , 66 , 160 , 123 , 211 , 165 , 78 , 204 , 80 , 250 , 110 , 162 , 48 , 58 , 10 , 180 , 55 , 231 , 79 , 149 , 74 , 62 , 50 , 148 , 143 , 206 , 28 , 15 , 57 , 159 , 139 , 225 , 122 , 237 , 138 , 171 , 36 , 56 , 115 , 63 , 144 , 154 , 6 , 230 , 133 , 215 , 41 , 184 , 22 , 104 , 254 , 234 , 253 , 187 , 226 , 247 , 188 , 156 , 151 , 40 , 108 , 51 , 83 , 178 , 52 , 3 , 31 , 255 , 195 , 53 , 235 , 126 , 167 , 120 ]]
target1 = [
[60, 53, 84, 138, 217, 94, 88, 23, 39, 242, 219, 35, 12, 157, 165, 181, 255, 143, 83, 247, 162, 16, 31, 209, 190,
171, 115, 65, 38, 41, 21, 245, 236, 46, 121, 62, 166, 233, 44, 154, 153, 145, 230, 49, 128, 216, 173, 29, 241, 119,
64, 229, 194, 103, 131, 110, 26, 197, 218, 59, 204, 56, 27, 34, 141, 221, 149, 239, 192, 195, 24, 155, 170, 183, 11
, 254, 213, 37, 137, 226, 75, 203, 55, 19, 72, 248, 22, 129, 33, 175, 178, 10, 198, 71, 77, 36, 113, 167, 48, 2,
117, 140, 142, 66, 199, 232, 243, 32, 123, 54, 51, 82, 57, 177, 87, 251, 150, 196, 133, 5, 253, 130, 8, 184, 14,
152, 231, 3, 186, 159, 76, 89, 228, 205, 156, 96, 163, 146, 18, 91, 132, 85, 80, 109, 172, 176, 105, 13, 50, 235,
127, 0, 189, 95, 98, 136, 250, 200, 108, 179, 211, 214, 106, 168, 78, 79, 74, 210, 30, 73, 201, 151, 208, 114, 101,
174, 92, 52, 120, 240, 15, 169, 220, 182, 81, 224, 43, 185, 40, 99, 180, 17, 212, 158, 42, 90, 9, 191, 45, 6, 25, 4
, 222, 67, 126, 1, 116, 124, 206, 69, 61, 7, 68, 97, 202, 63, 244, 20, 28, 58, 93, 134, 104, 144, 227, 147, 102,
118, 135, 148, 47, 238, 86, 112, 122, 70, 107, 215, 100, 139, 223, 225, 164, 237, 111, 125, 207, 160, 187, 246, 234
, 161, 188, 193, 249, 252],
[151, 205, 99, 127, 201, 119, 199, 211, 122, 196, 91, 74, 12, 147, 124, 180, 21, 191, 138, 83, 217, 30, 86, 7, 70,
200, 56, 62, 218, 47, 168, 22, 107, 88, 63, 11, 95, 77, 28, 8, 188, 29, 194, 186, 38, 198, 33, 230, 98, 43, 148,
110, 177, 1, 109, 82, 61, 112, 219, 59, 0, 210, 35, 215, 50, 27, 103, 203, 212, 209, 235, 93, 84, 169, 166, 80, 130
, 94, 164, 165, 142, 184, 111, 18, 2, 141, 232, 114, 6, 131, 195, 139, 176, 220, 5, 153, 135, 213, 154, 189, 238
, 174, 226, 53, 222, 146, 162, 236, 158, 143, 55, 244, 233, 96, 173, 26, 206, 100, 227, 49, 178, 34, 234, 108,
207, 245, 204, 150, 44, 87, 121, 54, 140, 118, 221, 228, 155, 78, 3, 239, 101, 64, 102, 17, 223, 41, 137, 225, 229,
66, 116, 171, 125, 40, 39, 71, 134, 13, 193, 129, 247, 251, 20, 136, 242, 14, 36, 97, 163, 181, 72, 25, 144, 46,
175, 89, 145, 113, 90, 159, 190, 15, 183, 73, 123, 187, 128, 248, 252, 152, 24, 197, 68, 253, 52, 69, 117, 57, 92,
104, 157, 170, 214, 81, 60, 133, 208, 246, 172, 23, 167, 160, 192, 76, 161, 237, 45, 4, 58, 10, 182, 65, 202, 240,
185, 241, 79, 224, 132, 51, 42, 126, 105, 37, 250, 149, 32, 243, 231, 67, 179, 48, 9, 106, 216, 31, 249, 19, 85,
254, 156, 115, 255, 120, 75, 16]]
target2 = [
[124, 30, 170, 247, 27, 127, 224, 59, 13, 22, 196, 76, 72, 154, 32, 209, 4, 2, 131, 62, 101, 51, 230, 9, 166, 11, 99
, 80, 208, 112, 36, 248, 81, 102, 130, 88, 218, 38, 168, 15, 241, 228, 167, 117, 158, 41, 10, 180, 194, 50, 204,
243, 246, 251, 29, 198, 219, 210, 195, 21, 54, 91, 203, 221, 70, 57, 183, 17, 147, 49, 133, 65, 77, 55, 202, 122,
162, 169, 188, 200, 190, 125, 63, 244, 96, 31, 107, 106, 74, 143, 116, 148, 78, 46, 1, 137, 150, 110, 181, 56, 95,
139, 58, 3, 231, 66, 165, 142, 242, 43, 192, 157, 89, 175, 109, 220, 128, 0, 178, 42, 255, 20, 214, 185, 83, 160,
253, 7, 23, 92, 111, 153, 26, 226, 33, 176, 144, 18, 216, 212, 28, 151, 71, 206, 222, 182, 8, 174, 205, 201, 152,
240, 155, 108, 223, 104, 239, 98, 164, 211, 184, 34, 193, 14, 114, 187, 40, 254, 12, 67, 93, 217, 6, 94, 16, 19, 82
, 86, 245, 24, 197, 134, 132, 138, 229, 121, 5, 235, 238, 85, 47, 103, 113, 179, 69, 250, 45, 135, 156, 25, 61,
75, 44, 146, 189, 84, 207, 172, 119, 53, 123, 186, 120, 171, 68, 227, 145, 136, 100, 90, 48, 79, 159, 149, 39, 213,
236, 126, 52, 60, 225, 199, 105, 73, 233, 252, 118, 215, 35, 115, 64, 37, 97, 129, 161, 177, 87, 237, 141, 173, 191
, 163, 140, 234, 232, 249],
[117, 94, 17, 103, 16, 186, 172, 127, 146, 23, 46, 25, 168, 8, 163, 39, 174, 67, 137, 175, 121, 59, 9, 128, 179, 199
, 132, 4, 140, 54, 1, 85, 14, 134, 161, 238, 30, 241, 37, 224, 166, 45, 119, 109, 202, 196, 93, 190, 220, 69, 49
, 21, 228, 209, 60, 73, 99, 65, 102, 7, 229, 200, 19, 82, 240, 71, 105, 169, 214, 194, 64, 142, 12, 233, 88, 201
, 11, 72, 92, 221, 27, 32, 176, 124, 205, 189, 177, 246, 35, 112, 219, 61, 129, 170, 173, 100, 84, 242, 157, 26,
218, 20, 33, 191, 155, 232, 87, 86, 153, 114, 97, 130, 29, 192, 164, 239, 90, 43, 236, 208, 212, 185, 75, 210, 0,
81, 227, 5, 116, 243, 34, 18, 182, 70, 181, 197, 217, 95, 183, 101, 252, 248, 107, 89, 136, 216, 203, 68, 91, 223,
96, 141, 150, 131, 13, 152, 198, 111, 44, 222, 125, 244, 76, 251, 158, 106, 24, 42, 38, 77, 2, 213, 207, 249, 147,
113, 135, 245, 118, 193, 47, 98, 145, 66, 160, 123, 211, 165, 78, 204, 80, 250, 110, 162, 48, 58, 10, 180, 55, 231,
79, 149, 74, 62, 50, 148, 143, 206, 28, 15, 57, 159, 139, 225, 122, 237, 138, 171, 36, 56, 115, 63, 144, 154, 6,
230, 133, 215, 41, 184, 22, 104, 254, 234, 253, 187, 226, 247, 188, 156, 151, 40, 108, 51, 83, 178, 52, 3, 31, 255,
195, 53, 235, 126, 167, 120]]
import struct
import hashlib
@ -26,7 +69,6 @@ for i in range(0, 256):
assert(target1[0][i] == ord(encrypt_table[i]))
assert(target1[1][i] == ord(decrypt_table[i]))
encrypt_table = ''.join(get_table('barfoo!'))
decrypt_table = string.maketrans(encrypt_table, string.maketrans('', ''))