diff options
Diffstat (limited to 'src/core/wee-crypto.c')
| -rw-r--r-- | src/core/wee-crypto.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/core/wee-crypto.c b/src/core/wee-crypto.c index 119230996..aa13b71a4 100644 --- a/src/core/wee-crypto.c +++ b/src/core/wee-crypto.c @@ -318,7 +318,7 @@ weecrypto_totp_generate_internal (const char *secret, int length_secret, { uint64_t moving_factor_swapped; char hash[20]; - int offset, length; + int rc, offset, length; unsigned long bin_code; moving_factor_swapped = (moving_factor >> 56) @@ -330,10 +330,12 @@ weecrypto_totp_generate_internal (const char *secret, int length_secret, | ((moving_factor >> 40) & 0x000000000000FF00) | (moving_factor << 56); - weecrypto_hmac (secret, length_secret, - &moving_factor_swapped, sizeof (moving_factor_swapped), - GCRY_MD_SHA1, - hash, NULL); + rc = weecrypto_hmac (secret, length_secret, + &moving_factor_swapped, sizeof (moving_factor_swapped), + GCRY_MD_SHA1, + hash, NULL); + if (!rc) + return 0; offset = hash[19] & 0xf; bin_code = (hash[offset] & 0x7f) << 24 |