+/*
+ * Returns 1 if the packet has length |num| and its contents equal the |num|
+ * bytes read from |ptr|. Returns 0 otherwise (lengths or contents not equal).
+ * If lengths are equal, performs the comparison in constant time.
+ */
+__owur static inline int PACKET_equal(const PACKET *pkt, const void *ptr,
+ size_t num) {
+ if (PACKET_remaining(pkt) != num)
+ return 0;
+ return CRYPTO_memcmp(pkt->curr, ptr, num) == 0;
+}
+