while(outlen > 0) {
/* Inner HMAC */
- digest_create(digest, data, len + seedlen, data);
+ if(!digest_create(digest, data, len + seedlen, data)) {
+ digest_close(digest);
+ return false;
+ }
/* Outer HMAC */
- digest_create(digest, data, len + seedlen, hash);
+ if(!digest_create(digest, data, len + seedlen, hash)) {
+ digest_close(digest);
+ return false;
+ }
/* XOR the results of the outer HMAC into the out buffer */
for(int i = 0; i < len && i < outlen; i++)