Fix severe bug zeroing outside memory.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
2022-10-05 11:09:03 +02:00
parent 0758644583
commit 2d295d0d98
1 changed files with 1 additions and 1 deletions
--- a/src/fido/credential.c
+++ b/src/fido/credential.c
@@ -303,7 +303,7 @@ int credential_derive_hmac_key(const uint8_t *cred_id, size_t cred_id_len, uint8
 }

 int credential_derive_chacha_key(uint8_t *outk) {
-    memset(outk, 0, 64);
+    memset(outk, 0, 32);
    int r = 0;
    if ((r = load_keydev(outk)) != 0)
        return r;