coelner/pico-fido
1
0
Fork 0
mirror of https://github.com/polhenarejos/pico-fido.git synced 2024-09-20 03:10:10 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix computing sha256 of large blob array.

Browse Source 
Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos 2022-12-15 00:00:29 +01:00
parent 9160bbb8fe
commit c8775ec69f
No known key found for this signature in database
GPG Key ID: C0095B7870A4CCD3
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/fido/cbor_large_blobs.c
View File

@ -130,7 +130,7 @@ int cbor_large_blobs(const uint8_t *data, size_t len) {
expectedNextOffset += set.len;
if (expectedNextOffset == expectedLength) {
uint8_t sha[32];
mbedtls_sha256(temp_lba, expectedLength, sha, 0);
mbedtls_sha256(temp_lba, expectedLength-16, sha, 0);
if (expectedLength > 17 && memcmp(sha, temp_lba+expectedLength-16, 16) != 0)
CBOR_ERROR(CTAP2_ERR_INTEGRITY_FAILURE);
flash_write_data_to_file(ef_largeblob, temp_lba, expectedLength);