diff options
Diffstat (limited to 'ptfformat.cc')
| -rw-r--r-- | ptfformat.cc | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/ptfformat.cc b/ptfformat.cc index 7f247e0..9e65e05 100644 --- a/ptfformat.cc +++ b/ptfformat.cc @@ -146,14 +146,6 @@ PTFFormat::load(std::string path) { case 0x40: case 0xc0: li = c1; - if (ptflutseenwild[li]) { - //Success! [li] - } else { - //Can't find lookup table for c1=li - free(ptfunxored); - fclose(fp); - return li; - } xxor[0] = c0; xxor[1] = c1; for (i = 2; i < 256; i++) { @@ -171,8 +163,13 @@ PTFFormat::load(std::string path) { inv = (ptflut[li][i-128] == 3) ? 1 : 3; xxor[i] ^= (inv * 0x40); } - for (i = 192; i < 256; i++) { - xxor[i] ^= 0x80; + + // Leave an artifact for us to decrypt by hand + // the ones that we still dont know + if (ptflutseenwild[li]) { + for (i = 192; i < 256; i++) { + xxor[i] ^= 0x80; + } } px = xxor[0]; fread(&ct, 1, 1, fp); @@ -201,7 +198,8 @@ PTFFormat::load(std::string path) { break; } fclose(fp); - + if (!ptflutseenwild[li]) + return li; parse(); return 0; } |