mirror of
https://github.com/guanzhi/GmSSL.git
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113 lines
3.6 KiB
C
113 lines
3.6 KiB
C
/*
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* Copyright 2014-2026 The GmSSL Project. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*/
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#ifndef GMSSL_QUIC_H
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#define GMSSL_QUIC_H
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#include <stdint.h>
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#include <stdlib.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define QUIC_VERSION_V1 0x00000001
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#define QUIC_INITIAL_SECRET_SIZE 32
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#define QUIC_INITIAL_KEY_SIZE 16
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#define QUIC_INITIAL_IV_SIZE 12
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#define QUIC_INITIAL_HP_KEY_SIZE 16
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#define QUIC_TRANSPORT_PARAM_MAX_COUNT 32
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#define QUIC_TRANSPORT_PARAM_MAX_SIZE 512
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typedef enum {
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QUIC_transport_param_original_destination_connection_id = 0x00,
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QUIC_transport_param_max_idle_timeout = 0x01,
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QUIC_transport_param_stateless_reset_token = 0x02,
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QUIC_transport_param_max_udp_payload_size = 0x03,
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QUIC_transport_param_initial_max_data = 0x04,
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QUIC_transport_param_initial_max_stream_data_bidi_local = 0x05,
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QUIC_transport_param_initial_max_stream_data_bidi_remote = 0x06,
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QUIC_transport_param_initial_max_stream_data_uni = 0x07,
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QUIC_transport_param_initial_max_streams_bidi = 0x08,
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QUIC_transport_param_initial_max_streams_uni = 0x09,
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QUIC_transport_param_ack_delay_exponent = 0x0a,
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QUIC_transport_param_max_ack_delay = 0x0b,
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QUIC_transport_param_disable_active_migration = 0x0c,
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QUIC_transport_param_preferred_address = 0x0d,
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QUIC_transport_param_active_connection_id_limit = 0x0e,
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QUIC_transport_param_initial_source_connection_id = 0x0f,
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QUIC_transport_param_retry_source_connection_id = 0x10,
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} QUIC_TRANSPORT_PARAM_ID;
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typedef enum {
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QUIC_encryption_initial = 0,
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QUIC_encryption_early_data = 1,
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QUIC_encryption_handshake = 2,
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QUIC_encryption_application = 3,
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} QUIC_ENCRYPTION_LEVEL;
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typedef struct {
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uint8_t client_secret[QUIC_INITIAL_SECRET_SIZE];
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uint8_t server_secret[QUIC_INITIAL_SECRET_SIZE];
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} QUIC_INITIAL_SECRETS;
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typedef struct {
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uint8_t key[QUIC_INITIAL_KEY_SIZE];
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uint8_t iv[QUIC_INITIAL_IV_SIZE];
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uint8_t hp[QUIC_INITIAL_HP_KEY_SIZE]; // hp = header protection key
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} QUIC_INITIAL_KEYS;
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typedef struct {
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uint64_t id;
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uint8_t data[QUIC_TRANSPORT_PARAM_MAX_SIZE];
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size_t datalen;
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} QUIC_TRANSPORT_PARAM;
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typedef struct {
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QUIC_TRANSPORT_PARAM params[QUIC_TRANSPORT_PARAM_MAX_COUNT];
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size_t params_count;
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} QUIC_TRANSPORT_PARAMS;
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size_t quic_varint_size(uint64_t val);
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int quic_varint_to_bytes(uint64_t val, uint8_t **out, size_t *outlen);
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int quic_varint_from_bytes(uint64_t *val, const uint8_t **in, size_t *inlen);
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void quic_transport_params_init(QUIC_TRANSPORT_PARAMS *params);
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int quic_transport_params_add(QUIC_TRANSPORT_PARAMS *params,
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uint64_t id, const uint8_t *data, size_t datalen);
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int quic_transport_params_add_varint(QUIC_TRANSPORT_PARAMS *params,
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uint64_t id, uint64_t val);
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int quic_transport_params_get(const QUIC_TRANSPORT_PARAMS *params,
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uint64_t id, const uint8_t **data, size_t *datalen);
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int quic_transport_params_get_varint(const QUIC_TRANSPORT_PARAMS *params,
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uint64_t id, uint64_t *val);
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int quic_transport_params_to_bytes(const QUIC_TRANSPORT_PARAMS *params,
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uint8_t **out, size_t *outlen);
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int quic_transport_params_from_bytes(QUIC_TRANSPORT_PARAMS *params,
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const uint8_t **in, size_t *inlen);
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int quic_derive_initial_secrets(const uint8_t *dcid, size_t dcid_len, QUIC_INITIAL_SECRETS *secrets);
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int quic_derive_initial_client_keys(const QUIC_INITIAL_SECRETS *secrets, QUIC_INITIAL_KEYS *keys);
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int quic_derive_initial_server_keys(const QUIC_INITIAL_SECRETS *secrets, QUIC_INITIAL_KEYS *keys);
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int quic_derive_initial_keys(const uint8_t secret[QUIC_INITIAL_SECRET_SIZE], QUIC_INITIAL_KEYS *keys);
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#ifdef __cplusplus
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}
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#endif
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#endif
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