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QUIC: simplified ngx_quic_ciphers() API.

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After conversion to reusable crypto ctx, now there's enough caller
context to remove the "level" argument from ngx_quic_ciphers().
This commit is contained in:
Sergey Kandaurov 2023-10-20 18:05:07 +04:00
parent d15f8f2c85
commit 01bd8caceb
3 changed files with 9 additions and 15 deletions
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2
src/event/quic/ngx_event_quic_openssl_compat.c
View File

@ -238,7 +238,7 @@ ngx_quic_compat_set_encryption_secret(ngx_connection_t *c,
keys->cipher = SSL_CIPHER_get_id(cipher);
key_len = ngx_quic_ciphers(keys->cipher, &ciphers, level);
key_len = ngx_quic_ciphers(keys->cipher, &ciphers);
if (key_len == NGX_ERROR) {
ngx_ssl_error(NGX_LOG_INFO, c->log, 0, "unexpected cipher");

19
src/event/quic/ngx_event_quic_protection.c
View File

@ -15,6 +15,8 @@
#define NGX_QUIC_AES_128_KEY_LEN 16
#define NGX_QUIC_INITIAL_CIPHER TLS1_3_CK_AES_128_GCM_SHA256
static ngx_int_t ngx_hkdf_expand(u_char *out_key, size_t out_len,
const EVP_MD *digest, const u_char *prk, size_t prk_len,
@ -46,15 +48,10 @@ static ngx_int_t ngx_quic_create_retry_packet(ngx_quic_header_t *pkt,
ngx_int_t
ngx_quic_ciphers(ngx_uint_t id, ngx_quic_ciphers_t *ciphers,
enum ssl_encryption_level_t level)
ngx_quic_ciphers(ngx_uint_t id, ngx_quic_ciphers_t *ciphers)
{
ngx_int_t len;
if (level == ssl_encryption_initial) {
id = TLS1_3_CK_AES_128_GCM_SHA256;
}
switch (id) {
case TLS1_3_CK_AES_128_GCM_SHA256:
@ -188,7 +185,7 @@ ngx_quic_keys_set_initial_secret(ngx_quic_keys_t *keys, ngx_str_t *secret,
}
}
if (ngx_quic_ciphers(0, &ciphers, ssl_encryption_initial) == NGX_ERROR) {
if (ngx_quic_ciphers(NGX_QUIC_INITIAL_CIPHER, &ciphers) == NGX_ERROR) {
return NGX_ERROR;
}
@ -664,7 +661,7 @@ ngx_quic_keys_set_encryption_secret(ngx_log_t *log, ngx_uint_t is_write,
keys->cipher = SSL_CIPHER_get_id(cipher);
key_len = ngx_quic_ciphers(keys->cipher, &ciphers, level);
key_len = ngx_quic_ciphers(keys->cipher, &ciphers);
if (key_len == NGX_ERROR) {
ngx_ssl_error(NGX_LOG_INFO, log, 0, "unexpected cipher");
@ -780,9 +777,7 @@ ngx_quic_keys_update(ngx_event_t *ev)
c->log->action = "updating keys";
if (ngx_quic_ciphers(keys->cipher, &ciphers, ssl_encryption_application)
== NGX_ERROR)
{
if (ngx_quic_ciphers(keys->cipher, &ciphers) == NGX_ERROR) {
goto failed;
}
@ -927,7 +922,7 @@ ngx_quic_create_retry_packet(ngx_quic_header_t *pkt, ngx_str_t *res)
"quic retry itag len:%uz %xV", ad.len, &ad);
#endif
if (ngx_quic_ciphers(0, &ciphers, pkt->level) == NGX_ERROR) {
if (ngx_quic_ciphers(NGX_QUIC_INITIAL_CIPHER, &ciphers) == NGX_ERROR) {
return NGX_ERROR;
}

3
src/event/quic/ngx_event_quic_protection.h
View File

@ -108,8 +108,7 @@ void ngx_quic_keys_cleanup(ngx_quic_keys_t *keys);
ngx_int_t ngx_quic_encrypt(ngx_quic_header_t *pkt, ngx_str_t *res);
ngx_int_t ngx_quic_decrypt(ngx_quic_header_t *pkt, uint64_t *largest_pn);
void ngx_quic_compute_nonce(u_char *nonce, size_t len, uint64_t pn);
ngx_int_t ngx_quic_ciphers(ngx_uint_t id, ngx_quic_ciphers_t *ciphers,
enum ssl_encryption_level_t level);
ngx_int_t ngx_quic_ciphers(ngx_uint_t id, ngx_quic_ciphers_t *ciphers);
ngx_int_t ngx_quic_crypto_init(const ngx_quic_cipher_t *cipher,
ngx_quic_secret_t *s, ngx_int_t enc, ngx_log_t *log);
ngx_int_t ngx_quic_crypto_seal(ngx_quic_secret_t *s, ngx_str_t *out,