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diff src/event/quic/ngx_event_quic_transport.c @ 9126:29a6c0e11f75

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QUIC: a new constant for AEAD tag length. Previously used constant EVP_GCM_TLS_TAG_LEN had misleading name since it was used not only with GCM, but also with CHACHAPOLY. Now a new constant NGX_QUIC_TAG_LEN introduced. Luckily all AEAD algorithms used by QUIC have the same tag length of 16.
author Roman Arutyunyan <arut@nginx.com>
date Fri, 09 Jun 2023 10:25:54 +0400
parents b9230e37b8a1
children ad3d34ddfdcc
line wrap: on
line diff
--- a/src/event/quic/ngx_event_quic_transport.c
+++ b/src/event/quic/ngx_event_quic_transport.c
@@ -578,7 +578,7 @@ ngx_quic_payload_size(ngx_quic_header_t 
 
     if (ngx_quic_short_pkt(pkt->flags)) {
 
-        len = 1 + pkt->dcid.len + pkt->num_len + EVP_GCM_TLS_TAG_LEN;
+        len = 1 + pkt->dcid.len + pkt->num_len + NGX_QUIC_TAG_LEN;
         if (len > pkt_len) {
             return 0;
         }
@@ -596,7 +596,7 @@ ngx_quic_payload_size(ngx_quic_header_t 
 
     /* (pkt_len - len) is 'remainder' packet length (see RFC 9000, 17.2) */
     len += ngx_quic_varint_len(pkt_len - len)
-           + pkt->num_len + EVP_GCM_TLS_TAG_LEN;
+           + pkt->num_len + NGX_QUIC_TAG_LEN;
 
     if (len > pkt_len) {
         return 0;
@@ -622,7 +622,7 @@ ngx_quic_create_long_header(ngx_quic_hea
     size_t   rem_len;
     u_char  *p, *start;
 
-    rem_len = pkt->num_len + pkt->payload.len + EVP_GCM_TLS_TAG_LEN;
+    rem_len = pkt->num_len + pkt->payload.len + NGX_QUIC_TAG_LEN;
 
     if (out == NULL) {
         return 5 + 2 + pkt->dcid.len + pkt->scid.len