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111 lines
3.1 KiB
111 lines
3.1 KiB
5 months ago
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/*
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* include/types/quic_tls.h
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* This file provides definitions for QUIC-TLS.
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*
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* Copyright 2019 HAProxy Technologies, Frédéric Lécaille <flecaille@haproxy.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _TYPES_QUIC_TLS_H
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#define _TYPES_QUIC_TLS_H
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#ifdef USE_QUIC
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#ifndef USE_OPENSSL
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#error "Must define USE_OPENSSL"
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#endif
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#include <openssl/evp.h>
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/* It seems TLS 1.3 ciphersuites macros differ between openssl and boringssl */
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#if defined(OPENSSL_IS_BORINGSSL)
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#if !defined(TLS1_3_CK_AES_128_GCM_SHA256)
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#define TLS1_3_CK_AES_128_GCM_SHA256 TLS1_CK_AES_128_GCM_SHA256
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#endif
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#if !defined(TLS1_3_CK_AES_256_GCM_SHA384)
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#define TLS1_3_CK_AES_256_GCM_SHA384 TLS1_CK_AES_256_GCM_SHA384
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#endif
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#if !defined(TLS1_3_CK_CHACHA20_POLY1305_SHA256)
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#define TLS1_3_CK_CHACHA20_POLY1305_SHA256 TLS1_CK_CHACHA20_POLY1305_SHA256
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#endif
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#if !defined(TLS1_3_CK_AES_128_CCM_SHA256)
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/* Note that TLS1_CK_AES_128_CCM_SHA256 is not defined in boringssl */
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#define TLS1_3_CK_AES_128_CCM_SHA256 0x03001304
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#endif
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#endif
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/* The TLS extension (enum) for QUIC transport parameters */
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#define TLS_EXTENSION_QUIC_TRANSPORT_PARAMETERS 0xffa5
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/* QUIC handshake states for both clients and servers. */
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enum quic_handshake_state {
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QUIC_HS_ST_CLIENT_INITIAL,
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QUIC_HS_ST_CLIENT_HANDSHAKE,
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QUIC_HS_ST_CLIENT_HANDSHAKE_FAILED,
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QUIC_HS_ST_SERVER_INITIAL,
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QUIC_HS_ST_SERVER_HANDSHAKE,
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QUIC_HS_ST_SERVER_HANDSHAKE_FAILED,
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/* Common to servers and clients */
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QUIC_HS_ST_COMPLETE,
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QUIC_HS_ST_CONFIRMED,
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};
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/* QUIC TLS level encryption */
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enum quic_tls_enc_level {
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QUIC_TLS_ENC_LEVEL_NONE = -1,
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QUIC_TLS_ENC_LEVEL_INITIAL,
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QUIC_TLS_ENC_LEVEL_EARLY_DATA,
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QUIC_TLS_ENC_LEVEL_HANDSHAKE,
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QUIC_TLS_ENC_LEVEL_APP,
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/* Please do not insert any value after this following one */
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QUIC_TLS_ENC_LEVEL_MAX,
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};
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/* QUIC packet number spaces */
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enum quic_tls_pktns {
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QUIC_TLS_PKTNS_INITIAL,
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QUIC_TLS_PKTNS_01RTT,
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QUIC_TLS_PKTNS_HANDSHAKE,
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/* Please do not insert any value after this following one */
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QUIC_TLS_PKTNS_MAX,
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};
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/* The ciphersuites for AEAD QUIC-TLS have 16-bytes authentication tag */
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#define QUIC_TLS_TAG_LEN 16
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extern unsigned char initial_salt[20];
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/* Flag to be used when TLS secrets have been set. */
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#define QUIC_FL_TLS_SECRETS_SET (1 << 0)
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/* Flag to be used when TLS secrets have been discarded. */
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#define QUIC_FL_TLS_SECRETS_DCD (1 << 1)
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struct quic_tls_secrets {
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const EVP_CIPHER *aead;
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const EVP_MD *md;
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const EVP_CIPHER *hp;
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unsigned char key[32];
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unsigned char iv[12];
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/* Header protection key.
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* Note: the header protection is applied after packet protection.
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* As the header belong to the data, its protection must be removed before removing
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* the packet protection.
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*/
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unsigned char hp_key[32];
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char flags;
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};
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struct quic_tls_ctx {
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struct quic_tls_secrets rx;
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struct quic_tls_secrets tx;
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};
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#endif /* USE_QUIC */
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#endif /* _TYPES_QUIC_TLS_H */
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