crypto_digest_get_digest(digest, diffie_hellman_hash, DIGEST_LEN);
crypto_free_digest_env(digest);
- /* Iterate over past requests, remove those which are older than one hour,
- * and check whether there is one with same Diffie-Hellman, part 1. */
+ /* Check whether there is a past request with the same Diffie-Hellman,
+ * part 1. */
if (!service->accepted_intros)
service->accepted_intros = digestmap_new();
goto err;
}
- /* Add request to access history, including time and hash of
- * Diffie-Hellman, part 1. */
+ /* Add request to access history, including time and hash of Diffie-Hellman,
+ * part 1, and possibly remove requests from the history that are older than
+ * one hour. */
access_time = tor_malloc(sizeof(time_t));
*access_time = now;
digestmap_set(service->accepted_intros, diffie_hellman_hash, access_time);