diff options
| -rw-r--r-- | ssl/quic/quic_lcidm.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/ssl/quic/quic_lcidm.c b/ssl/quic/quic_lcidm.c index 660eb802ba3..e23c16ce44b 100644 --- a/ssl/quic/quic_lcidm.c +++ b/ssl/quic/quic_lcidm.c @@ -74,15 +74,21 @@ static unsigned long lcid_hash(const QUIC_LCID *lcid_obj) 0, }; unsigned long hashval = 0; + unsigned char digest[SIPHASH_MIN_DIGEST_SIZE]; - if (!SipHash_set_hash_size(&siphash, sizeof(unsigned long))) + /* Use a supported SipHash digest size (8 or 16); 8 is sufficient here. */ + if (!SipHash_set_hash_size(&siphash, SIPHASH_MIN_DIGEST_SIZE)) goto out; if (!SipHash_Init(&siphash, (uint8_t *)lcid_obj->hash_key, 0, 0)) goto out; SipHash_Update(&siphash, lcid_obj->cid.id, lcid_obj->cid.id_len); - if (!SipHash_Final(&siphash, (unsigned char *)&hashval, - sizeof(unsigned long))) + if (!SipHash_Final(&siphash, digest, SIPHASH_MIN_DIGEST_SIZE)) goto out; + + /* + * Truncate the 64-bit SipHash digest into an unsigned long. + */ + memcpy(&hashval, digest, sizeof(hashval) < sizeof(digest) ? sizeof(hashval) : sizeof(digest)); out: return hashval; } |