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a19bb6f0b2
Some variables related to QUIC TLS were defined in a header file : their definitions are now moved properly in the implementation file, with only declarations in the header. This should be backported up to 2.6.
170 lines
4.9 KiB
C
170 lines
4.9 KiB
C
/*
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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, Frederic Lecaille <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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/* AEAD iv and secrete key lengths */
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#define QUIC_TLS_IV_LEN 12 /* bytes */
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#define QUIC_TLS_KEY_LEN 32 /* bytes */
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#define QUIC_TLS_SECRET_LEN 64 /* bytes */
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/* The ciphersuites for AEAD QUIC-TLS have 16-bytes authentication tags */
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#define QUIC_TLS_TAG_LEN 16 /* bytes */
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/* The TLS extensions for QUIC transport parameters */
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#define TLS_EXTENSION_QUIC_TRANSPORT_PARAMETERS 0x0039
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#define TLS_EXTENSION_QUIC_TRANSPORT_PARAMETERS_DRAFT 0xffa5
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extern struct pool_head *pool_head_quic_tls_secret;
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extern struct pool_head *pool_head_quic_tls_iv;
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extern struct pool_head *pool_head_quic_tls_key;
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#define QUIC_HKDF_KEY_LABEL_V1 "quic key"
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#define QUIC_HKDF_IV_LABEL_V1 "quic iv"
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#define QUIC_HKDF_HP_LABEL_V1 "quic hp"
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#define QUIC_HKDF_KU_LABEL_V1 "quic ku"
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#define QUIC_HKDF_KEY_LABEL_V2 "quicv2 key"
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#define QUIC_HKDF_IV_LABEL_V2 "quicv2 iv"
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#define QUIC_HKDF_HP_LABEL_V2 "quicv2 hp"
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#define QUIC_HKDF_KU_LABEL_V2 "quicv2 ku"
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#define QUIC_TLS_RETRY_KEY_DRAFT \
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"\xcc\xce\x18\x7e\xd0\x9a\x09\xd0\x57\x28\x15\x5a\x6c\xb9\x6b\xe1"
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#define QUIC_TLS_RETRY_NONCE_DRAFT \
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"\xe5\x49\x30\xf9\x7f\x21\x36\xf0\x53\x0a\x8c\x1c"
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#define QUIC_TLS_RETRY_KEY_V1 \
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"\xbe\x0c\x69\x0b\x9f\x66\x57\x5a\x1d\x76\x6b\x54\xe3\x68\xc8\x4e"
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#define QUIC_TLS_RETRY_NONCE_V1 \
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"\x46\x15\x99\xd3\x5d\x63\x2b\xf2\x23\x98\x25\xbb"
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#define QUIC_TLS_RETRY_KEY_V2_DRAFT \
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"\xba\x85\x8d\xc7\xb4\x3d\xe5\xdb\xf8\x76\x17\xff\x4a\xb2\x53\xdb"
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#define QUIC_TLS_RETRY_NONCE_V2_DRAFT \
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"\x14\x1b\x99\xc2\x39\xb0\x3e\x78\x5d\x6a\x2e\x9f"
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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_HANDSHAKE_FAILED,
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QUIC_HS_ST_SERVER_HANDSHAKE_FAILED,
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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_SERVER_INITIAL,
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QUIC_HS_ST_SERVER_HANDSHAKE,
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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_HANDSHAKE,
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QUIC_TLS_PKTNS_01RTT,
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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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extern unsigned char initial_salt[20];
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extern const unsigned char initial_salt_draft_29[20];
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extern const unsigned char initial_salt_v1[20];
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extern const unsigned char initial_salt_v2_draft[20];
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/* Key phase used for Key Update */
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struct quic_tls_kp {
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EVP_CIPHER_CTX *ctx;
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unsigned char *secret;
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size_t secretlen;
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unsigned char *iv;
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size_t ivlen;
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unsigned char *key;
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size_t keylen;
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uint64_t count;
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int64_t pn;
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unsigned char flags;
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};
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/* Key update phase bit */
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#define QUIC_FL_TLS_KP_BIT_SET (1 << 0)
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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 << 1)
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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 << 2)
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struct quic_tls_secrets {
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EVP_CIPHER_CTX *ctx;
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const EVP_CIPHER *aead;
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const EVP_MD *md;
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EVP_CIPHER_CTX *hp_ctx;
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const EVP_CIPHER *hp;
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unsigned char *secret;
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size_t secretlen;
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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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unsigned char *iv;
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size_t ivlen;
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unsigned char *key;
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size_t keylen;
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int64_t pn;
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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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unsigned char flags;
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};
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#endif /* USE_QUIC */
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#endif /* _TYPES_QUIC_TLS_H */
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