105 lines
4.0 KiB
C++
105 lines
4.0 KiB
C++
/*
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* nghttp2 - HTTP/2 C Library
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*
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* Copyright (c) 2019 nghttp2 contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef QUIC_H
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#define QUIC_H
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#include "nghttp2_config.h"
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#include <openssl/ssl.h>
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namespace quic {
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const EVP_CIPHER *aead(SSL *ssl);
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const EVP_CIPHER *hp(SSL *ssl);
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const EVP_MD *prf(SSL *ssl);
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size_t aead_max_overhead(const EVP_CIPHER *aead);
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int hkdf_extract(uint8_t *dest, size_t destlen, const uint8_t *secret,
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size_t secretlen, const uint8_t *salt, size_t saltlen,
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const EVP_MD *prf);
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int hkdf_expand(uint8_t *dest, size_t destlen, const uint8_t *secret,
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size_t secretlen, const uint8_t *info, size_t infolen,
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const EVP_MD *prf);
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int hkdf_expand_label(uint8_t *dest, size_t destlen, const uint8_t *secret,
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size_t secretlen, const uint8_t *label, size_t labellen,
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const EVP_MD *prf);
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int derive_initial_secret(uint8_t *dest, size_t destlen, const uint8_t *secret,
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size_t secretlen, const uint8_t *salt,
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size_t saltlen);
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int derive_client_initial_secret(uint8_t *dest, size_t destlen,
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const uint8_t *secret, size_t secretlen);
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int derive_server_initial_secret(uint8_t *dest, size_t destlen,
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const uint8_t *secret, size_t secretlen);
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int derive_packet_protection_key(uint8_t *key, size_t &keylen, uint8_t *iv,
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size_t &ivlen, const uint8_t *secret,
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size_t secretlen, const EVP_CIPHER *aead,
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const EVP_MD *prf);
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int derive_header_protection_key(uint8_t *key, size_t &keylen,
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const uint8_t *secret, size_t secretlen,
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const EVP_CIPHER *aead, const EVP_MD *prf);
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ssize_t encrypt(uint8_t *dest, size_t destlen, const uint8_t *plaintext,
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size_t plaintextlen, const uint8_t *key, size_t keylen,
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const uint8_t *nonce, size_t noncelen, const uint8_t *ad,
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size_t adlen, const EVP_CIPHER *aead);
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ssize_t decrypt(uint8_t *dest, size_t destlen, const uint8_t *ciphertext,
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size_t ciphertextlen, const uint8_t *key, size_t keylen,
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const uint8_t *nonce, size_t noncelen, const uint8_t *ad,
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size_t adlen, const EVP_CIPHER *aead);
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ssize_t hp_mask(uint8_t *dest, size_t destlen, const uint8_t *key,
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size_t keylen, const uint8_t *sample, size_t samplelen,
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const EVP_CIPHER *cipher);
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enum class ErrorType {
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Transport,
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TransportVersionNegotiation,
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Application,
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};
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struct Error {
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Error(ErrorType type, uint16_t code) : type(type), code(code) {}
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Error() : type(ErrorType::Transport), code(0) {}
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ErrorType type;
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uint16_t code;
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};
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Error err_transport(int liberr);
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Error err_transport_tls(int alert);
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Error err_application(int liberr);
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} // namespace quic
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#endif // QUIC_H
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