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curl/lib/vquic/ngtcp2-crypto.h
Daniel Stenberg 3af0e76d1e
HTTP3: initial (experimental) support
USe configure --with-ngtcp2 or --with-quiche

Using either option will enable a HTTP3 build.
Co-authored-by: Alessandro Ghedini <alessandro@ghedini.me>

Closes #3500
2019-07-21 23:49:03 +02:00

94 lines
4.4 KiB
C

#ifndef HEADER_CURL_VQUIC_NGTCP2_CRYPTO_H
#define HEADER_CURL_VQUIC_NGTCP2_CRYPTO_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "curl_setup.h"
#ifdef USE_NGTCP2
struct Context {
#if defined(OPENSSL_IS_BORINGSSL)
const EVP_AEAD *aead;
#else /* !OPENSSL_IS_BORINGSSL */
const EVP_CIPHER *aead;
#endif /* !OPENSSL_IS_BORINGSSL */
const EVP_CIPHER *hp;
const EVP_MD *prf;
uint8_t tx_secret[64];
uint8_t rx_secret[64];
size_t secretlen;
};
void Curl_qc_prf_sha256(struct Context *ctx);
void Curl_qc_aead_aes_128_gcm(struct Context *ctx);
size_t Curl_qc_aead_nonce_length(const struct Context *ctx);
int Curl_qc_negotiated_prf(struct Context *ctx, SSL *ssl);
int Curl_qc_negotiated_aead(struct Context *ctx, SSL *ssl);
size_t Curl_qc_aead_max_overhead(const struct Context *ctx);
ssize_t Curl_qc_encrypt(uint8_t *dest, size_t destlen,
const uint8_t *plaintext, size_t plaintextlen,
const struct Context *ctx,
const uint8_t *key, size_t keylen,
const uint8_t *nonce, size_t noncelen,
const uint8_t *ad, size_t adlen);
ssize_t Curl_qc_decrypt(uint8_t *dest, size_t destlen,
const uint8_t *ciphertext, size_t ciphertextlen,
const struct Context *ctx,
const uint8_t *key, size_t keylen,
const uint8_t *nonce, size_t noncelen,
const uint8_t *ad, size_t adlen);
ssize_t Curl_qc_encrypt_pn(uint8_t *dest, size_t destlen,
const uint8_t *plaintext, size_t plaintextlen,
const struct Context *ctx,
const uint8_t *key, size_t keylen,
const uint8_t *nonce, size_t noncelen);
int Curl_qc_derive_initial_secret(uint8_t *dest, size_t destlen,
const ngtcp2_cid *secret,
const uint8_t *salt,
size_t saltlen);
int Curl_qc_derive_client_initial_secret(uint8_t *dest,
size_t destlen,
const uint8_t *secret,
size_t secretlen);
ssize_t Curl_qc_derive_packet_protection_key(uint8_t *dest, size_t destlen,
const uint8_t *secret,
size_t secretlen,
const struct Context *ctx);
ssize_t Curl_qc_derive_packet_protection_iv(uint8_t *dest, size_t destlen,
const uint8_t *secret,
size_t secretlen,
const struct Context *ctx);
int Curl_qc_derive_server_initial_secret(uint8_t *dest, size_t destlen,
const uint8_t *secret,
size_t secretlen);
ssize_t
Curl_qc_derive_header_protection_key(uint8_t *dest, size_t destlen,
const uint8_t *secret, size_t secretlen,
const struct Context *ctx);
ssize_t Curl_qc_hp_mask(uint8_t *dest, size_t destlen,
const struct Context *ctx,
const uint8_t *key, size_t keylen,
const uint8_t *sample, size_t samplelen);
#endif /* USE_NGTCP2 */
#endif /* HEADER_CURL_VQUIC_NGTCP2_CRYPTO_H */