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| 8 | |
| 9 | |
| 10 | #include "ARDecrypt.h" |
| 11 | #include <algorithm> |
| 12 | |
| 13 | #ifdef _WIN32 |
| 14 | #include <windows.h> |
| 15 | #endif |
| 16 | |
| 17 | namespace ActionReplay |
| 18 | { |
| 19 | |
| 20 | |
| 21 | const char *filter = "0123456789ABCDEFGHJKMNPQRTUVWXYZILOS"; |
| 22 | |
| 23 | u32 genseeds[0x20]; |
| 24 | |
| 25 | |
| 26 | const u8 bitstringlen[0x08] = { |
| 27 | 0x06, 0x0A, 0x0C, 0x11, 0x11, 0x08, 0x07, 0x20, |
| 28 | }; |
| 29 | |
| 30 | const u8 gentable0[0x38] = { |
| 31 | 0x39, 0x31, 0x29, 0x21, 0x19, 0x11, 0x09, 0x01, |
| 32 | 0x3A, 0x32, 0x2A, 0x22, 0x1A, 0x12, 0x0A, 0x02, |
| 33 | 0x3B, 0x33, 0x2B, 0x23, 0x1B, 0x13, 0x0B, 0x03, |
| 34 | 0x3C, 0x34, 0x2C, 0x24, 0x3F, 0x37, 0x2F, 0x27, |
| 35 | 0x1F, 0x17, 0x0F, 0x07, 0x3E, 0x36, 0x2E, 0x26, |
| 36 | 0x1E, 0x16, 0x0E, 0x06, 0x3D, 0x35, 0x2D, 0x25, |
| 37 | 0x1D, 0x15, 0x0D, 0x05, 0x1C, 0x14, 0x0C, 0x04, |
| 38 | }; |
| 39 | const u8 gentable1[0x08] = { |
| 40 | 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01, |
| 41 | }; |
| 42 | const u8 gentable2[0x10] = { |
| 43 | 0x01, 0x02, 0x04, 0x06, 0x08, 0x0A, 0x0C, 0x0E, |
| 44 | 0x0F, 0x11, 0x13, 0x15, 0x17, 0x19, 0x1B, 0x1C, |
| 45 | }; |
| 46 | const u8 gentable3[0x30] = { |
| 47 | 0x0E, 0x11, 0x0B, 0x18, 0x01, 0x05, 0x03, 0x1C, |
| 48 | 0x0F, 0x06, 0x15, 0x0A, 0x17, 0x13, 0x0C, 0x04, |
| 49 | 0x1A, 0x08, 0x10, 0x07, 0x1B, 0x14, 0x0D, 0x02, |
| 50 | 0x29, 0x34, 0x1F, 0x25, 0x2F, 0x37, 0x1E, 0x28, |
| 51 | 0x33, 0x2D, 0x21, 0x30, 0x2C, 0x31, 0x27, 0x38, |
| 52 | 0x22, 0x35, 0x2E, 0x2A, 0x32, 0x24, 0x1D, 0x20, |
| 53 | }; |
| 54 | |
| 55 | const u16 crctable0[0x10] = { |
| 56 | 0x0000, 0x1081, 0x2102, 0x3183, 0x4204, 0x5285, 0x6306, 0x7387, |
| 57 | 0x8408, 0x9489, 0xA50A, 0xB58B, 0xC60C, 0xD68D, 0xE70E, 0xF78F, |
| 58 | }; |
| 59 | const u16 crctable1[0x10] = { |
| 60 | 0x0000, 0x1189, 0x2312, 0x329B, 0x4624, 0x57AD, 0x6536, 0x74BF, |
| 61 | 0x8C48, 0x9DC1, 0xAF5A, 0xBED3, 0xCA6C, 0xDBE5, 0xE97E, 0xF8F7, |
| 62 | }; |
| 63 | |
| 64 | const u8 gensubtable[0x08] = { |
| 65 | 0x34, 0x1C, 0x84, 0x9E, 0xFD, 0xA4, 0xB6, 0x7B, |
| 66 | }; |
| 67 | |
| 68 | |
| 69 | const u32 table0[0x40] = { |
| 70 | 0x01010400, 0x00000000, 0x00010000, 0x01010404, 0x01010004, 0x00010404, 0x00000004, 0x00010000, |
| 71 | 0x00000400, 0x01010400, 0x01010404, 0x00000400, 0x01000404, 0x01010004, 0x01000000, 0x00000004, |
| 72 | 0x00000404, 0x01000400, 0x01000400, 0x00010400, 0x00010400, 0x01010000, 0x01010000, 0x01000404, |
| 73 | 0x00010004, 0x01000004, 0x01000004, 0x00010004, 0x00000000, 0x00000404, 0x00010404, 0x01000000, |
| 74 | 0x00010000, 0x01010404, 0x00000004, 0x01010000, 0x01010400, 0x01000000, 0x01000000, 0x00000400, |
| 75 | 0x01010004, 0x00010000, 0x00010400, 0x01000004, 0x00000400, 0x00000004, 0x01000404, 0x00010404, |
| 76 | 0x01010404, 0x00010004, 0x01010000, 0x01000404, 0x01000004, 0x00000404, 0x00010404, 0x01010400, |
| 77 | 0x00000404, 0x01000400, 0x01000400, 0x00000000, 0x00010004, 0x00010400, 0x00000000, 0x01010004, |
| 78 | }; |
| 79 | const u32 table1[0x40] = { |
| 80 | 0x80108020, 0x80008000, 0x00008000, 0x00108020, 0x00100000, 0x00000020, 0x80100020, 0x80008020, |
| 81 | 0x80000020, 0x80108020, 0x80108000, 0x80000000, 0x80008000, 0x00100000, 0x00000020, 0x80100020, |
| 82 | 0x00108000, 0x00100020, 0x80008020, 0x00000000, 0x80000000, 0x00008000, 0x00108020, 0x80100000, |
| 83 | 0x00100020, 0x80000020, 0x00000000, 0x00108000, 0x00008020, 0x80108000, 0x80100000, 0x00008020, |
| 84 | 0x00000000, 0x00108020, 0x80100020, 0x00100000, 0x80008020, 0x80100000, 0x80108000, 0x00008000, |
| 85 | 0x80100000, 0x80008000, 0x00000020, 0x80108020, 0x00108020, 0x00000020, 0x00008000, 0x80000000, |
| 86 | 0x00008020, 0x80108000, 0x00100000, 0x80000020, 0x00100020, 0x80008020, 0x80000020, 0x00100020, |
| 87 | 0x00108000, 0x00000000, 0x80008000, 0x00008020, 0x80000000, 0x80100020, 0x80108020, 0x00108000, |
| 88 | }; |
| 89 | const u32 table2[0x40] = { |
| 90 | 0x00000208, 0x08020200, 0x00000000, 0x08020008, 0x08000200, 0x00000000, 0x00020208, 0x08000200, |
| 91 | 0x00020008, 0x08000008, 0x08000008, 0x00020000, 0x08020208, 0x00020008, 0x08020000, 0x00000208, |
| 92 | 0x08000000, 0x00000008, 0x08020200, 0x00000200, 0x00020200, 0x08020000, 0x08020008, 0x00020208, |
| 93 | 0x08000208, 0x00020200, 0x00020000, 0x08000208, 0x00000008, 0x08020208, 0x00000200, 0x08000000, |
| 94 | 0x08020200, 0x08000000, 0x00020008, 0x00000208, 0x00020000, 0x08020200, 0x08000200, 0x00000000, |
| 95 | 0x00000200, 0x00020008, 0x08020208, 0x08000200, 0x08000008, 0x00000200, 0x00000000, 0x08020008, |
| 96 | 0x08000208, 0x00020000, 0x08000000, 0x08020208, 0x00000008, 0x00020208, 0x00020200, 0x08000008, |
| 97 | 0x08020000, 0x08000208, 0x00000208, 0x08020000, 0x00020208, 0x00000008, 0x08020008, 0x00020200, |
| 98 | }; |
| 99 | const u32 table3[0x40] = { |
| 100 | 0x00802001, 0x00002081, 0x00002081, 0x00000080, 0x00802080, 0x00800081, 0x00800001, 0x00002001, |
| 101 | 0x00000000, 0x00802000, 0x00802000, 0x00802081, 0x00000081, 0x00000000, 0x00800080, 0x00800001, |
| 102 | 0x00000001, 0x00002000, 0x00800000, 0x00802001, 0x00000080, 0x00800000, 0x00002001, 0x00002080, |
| 103 | 0x00800081, 0x00000001, 0x00002080, 0x00800080, 0x00002000, 0x00802080, 0x00802081, 0x00000081, |
| 104 | 0x00800080, 0x00800001, 0x00802000, 0x00802081, 0x00000081, 0x00000000, 0x00000000, 0x00802000, |
| 105 | 0x00002080, 0x00800080, 0x00800081, 0x00000001, 0x00802001, 0x00002081, 0x00002081, 0x00000080, |
| 106 | 0x00802081, 0x00000081, 0x00000001, 0x00002000, 0x00800001, 0x00002001, 0x00802080, 0x00800081, |
| 107 | 0x00002001, 0x00002080, 0x00800000, 0x00802001, 0x00000080, 0x00800000, 0x00002000, 0x00802080, |
| 108 | }; |
| 109 | const u32 table4[0x40] = { |
| 110 | 0x00000100, 0x02080100, 0x02080000, 0x42000100, 0x00080000, 0x00000100, 0x40000000, 0x02080000, |
| 111 | 0x40080100, 0x00080000, 0x02000100, 0x40080100, 0x42000100, 0x42080000, 0x00080100, 0x40000000, |
| 112 | 0x02000000, 0x40080000, 0x40080000, 0x00000000, 0x40000100, 0x42080100, 0x42080100, 0x02000100, |
| 113 | 0x42080000, 0x40000100, 0x00000000, 0x42000000, 0x02080100, 0x02000000, 0x42000000, 0x00080100, |
| 114 | 0x00080000, 0x42000100, 0x00000100, 0x02000000, 0x40000000, 0x02080000, 0x42000100, 0x40080100, |
| 115 | 0x02000100, 0x40000000, 0x42080000, 0x02080100, 0x40080100, 0x00000100, 0x02000000, 0x42080000, |
| 116 | 0x42080100, 0x00080100, 0x42000000, 0x42080100, 0x02080000, 0x00000000, 0x40080000, 0x42000000, |
| 117 | 0x00080100, 0x02000100, 0x40000100, 0x00080000, 0x00000000, 0x40080000, 0x02080100, 0x40000100, |
| 118 | }; |
| 119 | const u32 table5[0x40] = { |
| 120 | 0x20000010, 0x20400000, 0x00004000, 0x20404010, 0x20400000, 0x00000010, 0x20404010, 0x00400000, |
| 121 | 0x20004000, 0x00404010, 0x00400000, 0x20000010, 0x00400010, 0x20004000, 0x20000000, 0x00004010, |
| 122 | 0x00000000, 0x00400010, 0x20004010, 0x00004000, 0x00404000, 0x20004010, 0x00000010, 0x20400010, |
| 123 | 0x20400010, 0x00000000, 0x00404010, 0x20404000, 0x00004010, 0x00404000, 0x20404000, 0x20000000, |
| 124 | 0x20004000, 0x00000010, 0x20400010, 0x00404000, 0x20404010, 0x00400000, 0x00004010, 0x20000010, |
| 125 | 0x00400000, 0x20004000, 0x20000000, 0x00004010, 0x20000010, 0x20404010, 0x00404000, 0x20400000, |
| 126 | 0x00404010, 0x20404000, 0x00000000, 0x20400010, 0x00000010, 0x00004000, 0x20400000, 0x00404010, |
| 127 | 0x00004000, 0x00400010, 0x20004010, 0x00000000, 0x20404000, 0x20000000, 0x00400010, 0x20004010, |
| 128 | }; |
| 129 | const u32 table6[0x40] = { |
| 130 | 0x00200000, 0x04200002, 0x04000802, 0x00000000, 0x00000800, 0x04000802, 0x00200802, 0x04200800, |
| 131 | 0x04200802, 0x00200000, 0x00000000, 0x04000002, 0x00000002, 0x04000000, 0x04200002, 0x00000802, |
| 132 | 0x04000800, 0x00200802, 0x00200002, 0x04000800, 0x04000002, 0x04200000, 0x04200800, 0x00200002, |
| 133 | 0x04200000, 0x00000800, 0x00000802, 0x04200802, 0x00200800, 0x00000002, 0x04000000, 0x00200800, |
| 134 | 0x04000000, 0x00200800, 0x00200000, 0x04000802, 0x04000802, 0x04200002, 0x04200002, 0x00000002, |
| 135 | 0x00200002, 0x04000000, 0x04000800, 0x00200000, 0x04200800, 0x00000802, 0x00200802, 0x04200800, |
| 136 | 0x00000802, 0x04000002, 0x04200802, 0x04200000, 0x00200800, 0x00000000, 0x00000002, 0x04200802, |
| 137 | 0x00000000, 0x00200802, 0x04200000, 0x00000800, 0x04000002, 0x04000800, 0x00000800, 0x00200002, |
| 138 | }; |
| 139 | const u32 table7[0x40] = { |
| 140 | 0x10001040, 0x00001000, 0x00040000, 0x10041040, 0x10000000, 0x10001040, 0x00000040, 0x10000000, |
| 141 | 0x00040040, 0x10040000, 0x10041040, 0x00041000, 0x10041000, 0x00041040, 0x00001000, 0x00000040, |
| 142 | 0x10040000, 0x10000040, 0x10001000, 0x00001040, 0x00041000, 0x00040040, 0x10040040, 0x10041000, |
| 143 | 0x00001040, 0x00000000, 0x00000000, 0x10040040, 0x10000040, 0x10001000, 0x00041040, 0x00040000, |
| 144 | 0x00041040, 0x00040000, 0x10041000, 0x00001000, 0x00000040, 0x10040040, 0x00001000, 0x00041040, |
| 145 | 0x10001000, 0x00000040, 0x10000040, 0x10040000, 0x10040040, 0x10000000, 0x00040000, 0x10001040, |
| 146 | 0x00000000, 0x10041040, 0x00040040, 0x10000040, 0x10040000, 0x10001000, 0x10001040, 0x00000000, |
| 147 | 0x10041040, 0x00041000, 0x00041000, 0x00001040, 0x00001040, 0x00040040, 0x10000000, 0x10041000, |
| 148 | }; |
| 149 | |
| 150 | |
| 151 | void generateseeds(u32 *seeds, const u8 *seedtable, u8 doreverse) |
| 152 | { |
| 153 | int i,j; |
| 154 | u32 tmp3; |
| 155 | u8 array0[0x38],array1[0x38],array2[0x08]; |
| 156 | u8 tmp,tmp2; |
| 157 | |
| 158 | i = 0; |
| 159 | while (i < 0x38) |
| 160 | { |
| 161 | tmp = (gentable0[i] - 1); |
| 162 | array0[i++] = ((u32)(0-(seedtable[tmp>>3] & gentable1[tmp&7])) >> 31); |
| 163 | } |
| 164 | |
| 165 | i = 0; |
| 166 | while (i < 0x10) |
| 167 | { |
| 168 | memset(array2,0,8); |
| 169 | tmp2 = gentable2[i]; |
| 170 | |
| 171 | for (j = 0; j < 0x38; j++) |
| 172 | { |
| 173 | tmp = (tmp2+j); |
| 174 | |
| 175 | if (j > 0x1B) |
| 176 | { |
| 177 | if (tmp > 0x37) tmp-=0x1C; |
| 178 | } |
| 179 | else if (tmp > 0x1B) tmp-=0x1C; |
| 180 | |
| 181 | array1[j] = array0[tmp]; |
| 182 | } |
| 183 | for (j = 0; j < 0x30; j++) |
| 184 | { |
| 185 | if (!array1[gentable3[j]-1]) continue; |
| 186 | tmp = (((j*0x2AAB)>>16) - (j>>0x1F)); |
| 187 | array2[tmp] |= (gentable1[j-(tmp*6)]>>2); |
| 188 | } |
| 189 | seeds[i<<1] = ((array2[0]<<24)|(array2[2]<<16)|(array2[4]<<8)|array2[6]); |
| 190 | seeds[(i<<1)+1] = ((array2[1]<<24)|(array2[3]<<16)|(array2[5]<<8)|array2[7]); |
| 191 | i++; |
| 192 | } |
| 193 | |
| 194 | if (!doreverse) |
| 195 | { |
| 196 | j = 0x1F; |
| 197 | for (i = 0; i < 16; i+=2) |
| 198 | { |
| 199 | tmp3 = seeds[i]; |
| 200 | seeds[i] = seeds[j-1]; |
| 201 | seeds[j-1] = tmp3; |
| 202 | |
| 203 | tmp3 = seeds[i+1]; |
| 204 | seeds[i+1] = seeds[j]; |
| 205 | seeds[j] = tmp3; |
| 206 | j-=2; |
| 207 | } |
| 208 | } |
| 209 | } |
| 210 | |
| 211 | void buildseeds() |
| 212 | { |
| 213 | generateseeds(genseeds,gensubtable,0); |
| 214 | } |
| 215 | |
| 216 | void getcode(u32 *src, u32 *addr, u32 *val) |
| 217 | { |
| 218 | *addr = Common::swap32(src[0]); |
| 219 | *val = Common::swap32(src[1]); |
| 220 | } |
| 221 | |
| 222 | void setcode(u32 *dst, u32 addr, u32 val) |
| 223 | { |
| 224 | dst[0] = Common::swap32(addr); |
| 225 | dst[1] = Common::swap32(val); |
| 226 | } |
| 227 | |
| 228 | u16 gencrc16(u32 *codes, u16 size) |
| 229 | { |
| 230 | u16 ret=0; |
| 231 | u8 tmp=0,tmp2; |
| 232 | int i; |
| 233 | |
| 234 | if (size > 0) |
| 235 | { |
| 236 | while (tmp < size) |
| 237 | { |
| 238 | for (i = 0; i < 4; i++) |
| 239 | { |
| 240 | tmp2 = ((codes[tmp] >> (i<<3))^ret); |
| 241 | ret = ((crctable0[(tmp2>>4)&0x0F]^crctable1[tmp2&0x0F])^(ret>>8)); |
| 242 | } |
| 243 | tmp++; |
| 244 | } |
| 245 | } |
| 246 | return ret; |
| 247 | } |
| 248 | |
| 249 | u8 verifycode(u32 *codes, u16 size) |
| 250 | { |
| 251 | u16 tmp; |
| 252 | |
| 253 | tmp = gencrc16(codes,size); |
| 254 | return (((tmp>>12)^(tmp>>8)^(tmp>>4)^tmp)&0x0F); |
| 255 | } |
| 256 | |
| 257 | void unscramble1(u32 *addr, u32 *val) |
| 258 | { |
| 259 | u32 tmp; |
| 260 | |
| 261 | *val = _rotl(*val,4); |
| 262 | |
| 263 | tmp = ((*addr^*val)&0xF0F0F0F0); |
| 264 | *addr ^= tmp; |
| 265 | *val = _rotr((*val^tmp),0x14); |
| 266 | |
| 267 | tmp = ((*addr^*val)&0xFFFF0000); |
| 268 | *addr ^= tmp; |
| 269 | *val = _rotr((*val^tmp),0x12); |
| 270 | |
| 271 | tmp = ((*addr^*val)&0x33333333); |
| 272 | *addr ^= tmp; |
| 273 | *val = _rotr((*val^tmp),6); |
| 274 | |
| 275 | tmp = ((*addr^*val)&0x00FF00FF); |
| 276 | *addr ^= tmp; |
| 277 | *val = _rotl((*val^tmp),9); |
| 278 | |
| 279 | tmp = ((*addr^*val)&0xAAAAAAAA); |
| 280 | *addr = _rotl((*addr^tmp),1); |
| 281 | *val ^= tmp; |
| 282 | } |
| 283 | |
| 284 | void unscramble2(u32 *addr, u32 *val) |
| 285 | { |
| 286 | u32 tmp; |
| 287 | |
| 288 | *val = _rotr(*val,1); |
| 289 | |
| 290 | tmp = ((*addr^*val)&0xAAAAAAAA); |
| 291 | *val ^= tmp; |
| 292 | *addr = _rotr((*addr^tmp),9); |
| 293 | |
| 294 | tmp = ((*addr^*val)&0x00FF00FF); |
| 295 | *val ^= tmp; |
| 296 | *addr = _rotl((*addr^tmp),6); |
| 297 | |
| 298 | tmp = ((*addr^*val)&0x33333333); |
| 299 | *val ^= tmp; |
| 300 | *addr = _rotl((*addr^tmp),0x12); |
| 301 | |
| 302 | tmp = ((*addr^*val)&0xFFFF0000); |
| 303 | *val ^= tmp; |
| 304 | *addr = _rotl((*addr^tmp),0x14); |
| 305 | |
| 306 | tmp = ((*addr^*val)&0xF0F0F0F0); |
| 307 | *val ^= tmp; |
| 308 | *addr = _rotr((*addr^tmp),4); |
| 309 | } |
| 310 | |
| 311 | void decryptcode(u32 *seeds, u32 *code) |
| 312 | { |
| 313 | u32 addr,val; |
| 314 | u32 tmp,tmp2; |
| 315 | int i=0; |
| 316 | |
| 317 | getcode(code,&addr,&val); |
| 318 | unscramble1(&addr,&val); |
| 319 | while (i < 32) |
| 320 | { |
| 321 | tmp = (_rotr(val,4)^seeds[i++]); |
| 322 | tmp2 = (val^seeds[i++]); |
| 323 | addr ^= (table6[tmp&0x3F]^table4[(tmp>>8)&0x3F]^table2[(tmp>>16)&0x3F]^table0[(tmp>>24)&0x3F]^table7[tmp2&0x3F]^table5[(tmp2>>8)&0x3F]^table3[(tmp2>>16)&0x3F]^table1[(tmp2>>24)&0x3F]); |
| 324 | |
| 325 | tmp = (_rotr(addr,4)^seeds[i++]); |
| 326 | tmp2 = (addr^seeds[i++]); |
| 327 | val ^= (table6[tmp&0x3F]^table4[(tmp>>8)&0x3F]^table2[(tmp>>16)&0x3F]^table0[(tmp>>24)&0x3F]^table7[tmp2&0x3F]^table5[(tmp2>>8)&0x3F]^table3[(tmp2>>16)&0x3F]^table1[(tmp2>>24)&0x3F]); |
| 328 | } |
| 329 | unscramble2(&addr,&val); |
| 330 | setcode(code,val,addr); |
| 331 | } |
| 332 | |
| 333 | bool getbitstring(u32 *ctrl, u32 *out, u8 len) |
| 334 | { |
| 335 | u32 tmp=(ctrl[0]+(ctrl[1]<<2)); |
| 336 | |
| 337 | *out = 0; |
| 338 | while (len--) |
| 339 | { |
| 340 | if (ctrl[2] > 0x1F) |
| 341 | { |
| 342 | ctrl[2] = 0; |
| 343 | ctrl[1]++; |
| 344 | tmp = (ctrl[0]+(ctrl[1]<<2)); |
| 345 | } |
| 346 | if (ctrl[1] >= ctrl[3]) return false; |
| 347 | *out = ((*out<<1) | ((tmp >> (0x1F-ctrl[2])) & 1)); |
| 348 | ctrl[2]++; |
| 349 | } |
| 350 | return true; |
| 351 | } |
| 352 | |
| 353 | bool batchdecrypt(u32 *codes, u16 size) |
| 354 | { |
| 355 | u32 tmp,*ptr=codes; |
| 356 | u32 tmparray[4] = { 0 },tmparray2[8] = { 0 }; |
| 357 | |
| 358 | |
| 359 | |
| 360 | |
| 361 | |
| 362 | tmp = (size >> 1); |
| 363 | while (tmp--) |
| 4 | | Loop condition is false. Execution continues on line 369 | |
|
| 364 | { |
| 365 | decryptcode(genseeds,ptr); |
| 366 | ptr+=2; |
| 367 | } |
| 368 | |
| 369 | tmparray[0] = *codes; |
| 5 | | Assigned value is garbage or undefined |
|
| 370 | tmparray[1] = 0; |
| 371 | tmparray[2] = 4; |
| 372 | tmparray[3] = size; |
| 373 | getbitstring(tmparray,tmparray2+1,11); |
| 374 | getbitstring(tmparray,tmparray2+2,17); |
| 375 | getbitstring(tmparray,tmparray2+3,1); |
| 376 | getbitstring(tmparray,tmparray2+4,1); |
| 377 | getbitstring(tmparray,tmparray2+5,2); |
| 378 | |
| 379 | |
| 380 | |
| 381 | |
| 382 | |
| 383 | |
| 384 | tmp = codes[0]; |
| 385 | codes[0] &= 0x0FFFFFFF; |
| 386 | if ((tmp>>28) != verifycode(codes,size)) return false; |
| 387 | |
| 388 | return true; |
| 389 | |
| 390 | |
| 391 | } |
| 392 | |
| 393 | int GetVal(const char *flt, char chr) |
| 394 | { |
| 395 | int ret = (int)(strchr(flt,chr) - flt); |
| 396 | switch (ret) |
| 397 | { |
| 398 | case 32: |
| 399 | case 33: |
| 400 | ret = 1; |
| 401 | break; |
| 402 | case 34: |
| 403 | ret = 0; |
| 404 | break; |
| 405 | case 35: |
| 406 | ret = 5; |
| 407 | break; |
| 408 | } |
| 409 | return ret; |
| 410 | } |
| 411 | |
| 412 | int alphatobin(u32 *dst, std::vector<std::string> alpha, int size) |
| 413 | { |
| 414 | int i,j=0,k; |
| 415 | int ret=0,org=(size+1); |
| 416 | u32 bin[2]; |
| 417 | u8 parity; |
| 418 | |
| 419 | while (size) |
| 420 | { |
| 421 | bin[0]=0; |
| 422 | for (i = 0; i < 6; i++) |
| 423 | { |
| 424 | bin[0] |= (GetVal(filter,alpha[j>>1][i]) << (((5-i)*5)+2)); |
| 425 | } |
| 426 | bin[0] |= (GetVal(filter,alpha[j>>1][6]) >> 3); |
| 427 | dst[j++] = bin[0]; |
| 428 | |
| 429 | bin[1]=0; |
| 430 | for (i = 0; i < 6; i++) |
| 431 | { |
| 432 | bin[1] |= (GetVal(filter,alpha[j>>1][i+6]) << (((5-i)*5)+4)); |
| 433 | } |
| 434 | bin[1] |= (GetVal(filter,alpha[j>>1][12]) >> 1); |
| 435 | dst[j++] = bin[1]; |
| 436 | |
| 437 | |
| 438 | k=0; |
| 439 | parity=0; |
| 440 | for (i = 0; i < 64; i++) |
| 441 | { |
| 442 | if (i == 32) k++; |
| 443 | parity ^= (bin[k] >> (i-(k<<5))); |
| 444 | } |
| 445 | if ((parity&1) != (GetVal(filter,alpha[(j-2)>>1][12])&1)) ret=(org-size); |
| 446 | |
| 447 | size--; |
| 448 | } |
| 449 | |
| 450 | return ret; |
| 451 | } |
| 452 | |
| 453 | void DecryptARCode(std::vector<std::string> vCodes, std::vector<AREntry> &ops) |
| 454 | { |
| 455 | |
| 456 | buildseeds(); |
| 457 | |
| 458 | u32 uCodes[1200]; |
| 459 | u32 i,ret; |
| 460 | |
| 461 | for(i = 0; i < vCodes.size(); ++i) |
| 1 | Loop condition is false. Execution continues on line 467 | |
|
| 462 | { |
| 463 | transform(vCodes[i].begin(), vCodes[i].end(), vCodes[i].begin(), toupper); |
| 464 | |
| 465 | } |
| 466 | |
| 467 | if ((ret=alphatobin(uCodes, vCodes, (int)vCodes.size()))) |
| |
| 468 | { |
| 469 | PanicAlertT("Action Replay Code Decryption Error:\nParity Check Failed\n\nCulprit Code:\n%s", vCodes[ret].c_str())MsgAlert(false, WARNING, "Action Replay Code Decryption Error:\nParity Check Failed\n\nCulprit Code:\n%s" , vCodes[ret].c_str()); |
| 470 | batchdecrypt(uCodes, (u16)vCodes.size()<<1); |
| 471 | } |
| 472 | else if (!batchdecrypt(uCodes, (u16)vCodes.size()<<1)) |
| |
| 473 | { |
| 474 | |
| 475 | |
| 476 | |
| 477 | |
| 478 | for (i = 0; i < (vCodes.size()<<1); i+=2) |
| 479 | { |
| 480 | AREntry op; |
| 481 | op.cmd_addr = uCodes[i]; |
| 482 | op.value = uCodes[i+1]; |
| 483 | ops.push_back(op); |
| 484 | |
| 485 | } |
| 486 | } |
| 487 | else |
| 488 | { |
| 489 | |
| 490 | for (i = 2; i < (vCodes.size()<<1); i+=2) |
| 491 | { |
| 492 | AREntry op; |
| 493 | op.cmd_addr = uCodes[i]; |
| 494 | op.value = uCodes[i+1]; |
| 495 | ops.push_back(op); |
| 496 | |
| 497 | } |
| 498 | } |
| 499 | } |
| 500 | |
| 501 | } |