| 24,6 → 24,7 |
|---|
| #include "ff.h" |
| |
| // this value will be manipulated during the building of each individual filter (see make_win.c) |
| // It should be aligned to 4 |
| const volatile uint64_t cObfuscSeed = 0x38AD972A52830517ull; |
| |
| int rand_msvcc(unsigned int* seed) { |
| 72,12 → 73,12 |
|---|
| uint32_t obfusc_info = pparm->unknown2; |
| |
| if (obfusc_info == 0x00000000) { // 00 00 00 00 |
| // Photoshop FilterFactory default initialization |
| // Photoshop FilterFactory default initialization of field "unknown2" |
| // (no obfuscation) |
| return 0; |
| } |
| else if (obfusc_info == 0x00000001) { // 01 00 00 00 |
| // Premiere FilterFactory default initialization |
| // Premiere FilterFactory default initialization of field "unknown1" (it is at the offset of Photoshop's "unknown2") |
| // (no obfuscation) |
| return 0; |
| } |
| 92,6 → 93,7 |
|---|
| else if ((obfusc_info >= 4) && (obfusc_info <= 0xFF)) { // xx 00 00 00 |
| // Version 4 obfuscation (Filter Foundry 1.7.0.7) |
| // Version 5 obfuscation (Filter Foundry 1.7.0.8) |
| // Version 6 obfuscation (Filter Foundry 1.7.0.10) |
| // Future: Version 6, 7, 8, ... 255 |
| return obfusc_info; |
| } |
| 327,10 → 329,14 |
|---|
| srand(seed); |
| |
| p = (unsigned char*)pparm; |
| for (i = 0; i < seed_position; i++) *p++ ^= (int)(rand() * 1.0 / ((double)RAND_MAX + 1) * 256); |
| for (i = 0; i < seed_position; i++) { |
| *p++ ^= (int)(rand() * 1.0 / ((double)RAND_MAX + 1) * 256); |
| } |
| *((uint32_t*)p) = 0; // here was the seed. Fill it with 0x00000000 |
| p += 4; |
| for (i = 0; i < size - seed_position - 4; i++) *p++ ^= (int)(rand() * 1.0 / ((double)RAND_MAX + 1) * 256); |
| for (i = 0; i < size - seed_position - 4; i++) { |
| *p++ ^= (int)(rand() * 1.0 / ((double)RAND_MAX + 1) * 256); |
| } |
| |
| break; |
| } |
| 417,7 → 423,7 |
|---|
| } |
| |
| if ((pparm->cbSize != PARM_SIZE) && |
| //(pparm->cbSize != PARM_SIZE_PREMIERE) && |
| (pparm->cbSize != PARM_SIZE_PREMIERE) && |
| (pparm->cbSize != PARM_SIG_MAC)) { |
| memset(pparm, 0, sizeof(PARM_T)); // invalidate everything |
| } |
| 439,4 → 445,9 |
|---|
| // information was lost due to obfuscation. Make sure it is zero. |
| pparm->unknown2 = 0; |
| } |
| |
| if (obfusc_version >= 6) { |
| // information was lost due to checksum. Make sure it is zero. |
| pparm->unknown1 = 0; |
| } |
| } |