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/*
*
*/
#ifndef _NGX_EVENT_QUIC_H_INCLUDED_
#define _NGX_EVENT_QUIC_H_INCLUDED_
#include <ngx_event_openssl.h>
#define quic_version 0xff000018
typedef struct {
ngx_str_t secret;
ngx_str_t key;
ngx_str_t iv;
ngx_str_t hp;
} ngx_quic_secret_t;
struct ngx_quic_connection_s {
ngx_str_t scid;
ngx_str_t dcid;
ngx_str_t token;
ngx_quic_secret_t client_in;
ngx_quic_secret_t client_hs;
ngx_quic_secret_t client_ad;
ngx_quic_secret_t server_in;
ngx_quic_secret_t server_hs;
ngx_quic_secret_t server_ad;
};
uint64_t ngx_quic_parse_pn(u_char **pos, ngx_int_t len, u_char *mask);
uint64_t ngx_quic_parse_int(u_char **pos);
void ngx_quic_build_int(u_char **pos, uint64_t value);
ngx_int_t ngx_hkdf_extract(u_char *out_key, size_t *out_len,
const EVP_MD *digest, const u_char *secret, size_t secret_len,
const u_char *salt, size_t salt_len);
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,
const u_char *info, size_t info_len);
ngx_int_t ngx_quic_hkdf_expand(ngx_connection_t *c, const EVP_MD *digest,
ngx_str_t *out, ngx_str_t *label, const uint8_t *prk, size_t prk_len);
ngx_int_t ngx_quic_tls_open(ngx_connection_t *c,
const EVP_CIPHER *cipher, ngx_quic_secret_t *s, ngx_str_t *out,
u_char *nonce, ngx_str_t *in, ngx_str_t *ad);
ngx_int_t ngx_quic_tls_seal(ngx_connection_t *c,
const EVP_CIPHER *cipher, ngx_quic_secret_t *s, ngx_str_t *out,
u_char *nonce, ngx_str_t *in, ngx_str_t *ad);
ngx_int_t
ngx_quic_tls_hp(ngx_connection_t *c, const EVP_CIPHER *cipher,
ngx_quic_secret_t *s, u_char *out, u_char *in);
#if (NGX_HAVE_NONALIGNED)
#define ngx_quic_parse_uint16(p) ntohs(*(uint16_t *) (p))
#define ngx_quic_parse_uint32(p) ntohl(*(uint32_t *) (p))
#else
#define ngx_quic_parse_uint16(p) ((p)[0] << 8 | (p)[1])
#define ngx_quic_parse_uint32(p) \
((uint32_t) (p)[0] << 24 | (p)[1] << 16 | (p)[2] << 8 | (p)[3])
#endif
#define ngx_quic_write_uint16_aligned(p, s) \
(*(uint16_t *) (p) = htons((uint16_t) (s)), (p) + sizeof(uint16_t))
#define ngx_quic_write_uint32_aligned(p, s) \
(*(uint32_t *) (p) = htonl((uint32_t) (s)), (p) + sizeof(uint32_t))
#if (NGX_HAVE_NONALIGNED)
#define ngx_quic_write_uint16 ngx_quic_write_uint16_aligned
#define ngx_quic_write_uint32 ngx_quic_write_uint32_aligned
#else
#define ngx_quic_write_uint16(p, s) \
((p)[0] = (u_char) ((s) >> 8), \
(p)[1] = (u_char) (s), \
(p) + sizeof(uint16_t))
#define ngx_quic_write_uint32(p, s) \
((p)[0] = (u_char) ((s) >> 24), \
(p)[1] = (u_char) ((s) >> 16), \
(p)[2] = (u_char) ((s) >> 8), \
(p)[3] = (u_char) (s), \
(p) + sizeof(uint32_t))
#endif
#endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */
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