}
int digest_get_nid(const digest_t *digest) {
- return digest->digest ? digest->digest->type : 0;
+ if(!digest || !digest->digest)
+ return 0;
+
+ return digest->digest->type;
}
size_t digest_keylength(const digest_t *digest) {
+ if(!digest || !digest->digest)
+ return 0;
+
return digest->digest->md_size;
}
size_t digest_length(const digest_t *digest) {
+ if(!digest)
+ return 0;
+
return digest->maclength;
}