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Merge pull request #1176 from aveao/emrtd

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emrtd: Fix EF_DG2 image dumping
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Philippe Teuwen 2021-01-29 21:41:31 +01:00 committed by GitHub
commit bd285908ab
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1 changed files with 2 additions and 2 deletions
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client/src/cmdhfemrtd.c
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@ -713,8 +713,8 @@ static int emrtd_dump_ef_dg2(uint8_t *file_contents, size_t file_length, const c
// Note: Doing file_length - 6 to account for the longest data we're checking. // Note: Doing file_length - 6 to account for the longest data we're checking.
// Checks first byte before the rest to reduce overhead // Checks first byte before the rest to reduce overhead
for (offset = 0; offset < file_length - 6; offset++) { for (offset = 0; offset < file_length - 6; offset++) {
if ((file_contents[offset] == 0xFF && memcmp(jpeg_header, file_contents + offset, 4) != 0) || if ((file_contents[offset] == 0xFF && memcmp(jpeg_header, file_contents + offset, 4) == 0) ||
(file_contents[offset] == 0x00 && memcmp(jpeg2k_header, file_contents + offset, 6) != 0)) { (file_contents[offset] == 0x00 && memcmp(jpeg2k_header, file_contents + offset, 6) == 0)) {
datalen = file_length - offset; datalen = file_length - offset;
break; break;
} }