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comparison src/event/quic/ngx_event_quic_tokens.h @ 9132:77c1418916f7

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QUIC: use AEAD to encrypt address validation tokens. Previously used AES256-CBC is now substituted with AES256-GCM. Although there seem to be no tangible consequences of token integrity loss.
author Roman Arutyunyan <arut@nginx.com>
date Thu, 08 Jun 2023 14:58:01 +0400
parents 3550b00d9dc8
children
comparison
equal deleted inserted replaced
9131:f73dfa6c0696 9132:77c1418916f7
13 13
14 14
15 #define NGX_QUIC_MAX_TOKEN_SIZE 64 15 #define NGX_QUIC_MAX_TOKEN_SIZE 64
16 /* SHA-1(addr)=20 + sizeof(time_t) + retry(1) + odcid.len(1) + odcid */ 16 /* SHA-1(addr)=20 + sizeof(time_t) + retry(1) + odcid.len(1) + odcid */
17 17
18 /* RFC 3602, 2.1 and 2.4 for AES-CBC block size and IV length */ 18 #define NGX_QUIC_AES_256_GCM_IV_LEN 12
19 #define NGX_QUIC_AES_256_CBC_IV_LEN 16 19 #define NGX_QUIC_AES_256_GCM_TAG_LEN 16
20 #define NGX_QUIC_AES_256_CBC_BLOCK_SIZE 16
21 20
22 #define NGX_QUIC_TOKEN_BUF_SIZE (NGX_QUIC_AES_256_CBC_IV_LEN \ 21 #define NGX_QUIC_TOKEN_BUF_SIZE (NGX_QUIC_AES_256_GCM_IV_LEN \
23 + NGX_QUIC_MAX_TOKEN_SIZE \ 22 + NGX_QUIC_MAX_TOKEN_SIZE \
24 + NGX_QUIC_AES_256_CBC_BLOCK_SIZE) 23 + NGX_QUIC_AES_256_GCM_TAG_LEN)
25 24
26 25
27 ngx_int_t ngx_quic_new_sr_token(ngx_connection_t *c, ngx_str_t *cid, 26 ngx_int_t ngx_quic_new_sr_token(ngx_connection_t *c, ngx_str_t *cid,
28 u_char *secret, u_char *token); 27 u_char *secret, u_char *token);
29 ngx_int_t ngx_quic_new_token(ngx_log_t *log, struct sockaddr *sockaddr, 28 ngx_int_t ngx_quic_new_token(ngx_log_t *log, struct sockaddr *sockaddr,