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e0465b8939
This reverts commit 8bb610b97a.
Linking wolfSSL seems to cause more legal trouble than it's worth due to
it being GPLv2, so let's undo this for now.
91 lines
2.1 KiB
C++
91 lines
2.1 KiB
C++
/*
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* Copyright (c) 2020, Ali Mohammad Pur <mpfard@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Types.h>
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#include <LibTLS/Extensions.h>
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namespace TLS {
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// Defined in RFC 5246 section 7.4.1.4.1
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struct SignatureAndHashAlgorithm {
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HashAlgorithm hash;
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SignatureAlgorithm signature;
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};
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enum class KeyExchangeAlgorithm {
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Invalid,
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// Defined in RFC 5246 section 7.4.2 / RFC 4279 section 4
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RSA_PSK,
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// Defined in RFC 5246 section 7.4.3
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DHE_DSS,
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DHE_RSA,
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DH_anon,
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RSA,
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DH_DSS,
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DH_RSA,
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// Defined in RFC 4492 section 2
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ECDHE_RSA,
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ECDH_ECDSA,
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ECDH_RSA,
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ECDHE_ECDSA,
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ECDH_anon,
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};
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// Defined in RFC 5246 section 7.4.1.4.1
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constexpr SignatureAlgorithm signature_for_key_exchange_algorithm(KeyExchangeAlgorithm algorithm)
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{
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switch (algorithm) {
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case KeyExchangeAlgorithm::RSA:
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case KeyExchangeAlgorithm::DHE_RSA:
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case KeyExchangeAlgorithm::DH_RSA:
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case KeyExchangeAlgorithm::RSA_PSK:
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case KeyExchangeAlgorithm::ECDH_RSA:
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case KeyExchangeAlgorithm::ECDHE_RSA:
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return SignatureAlgorithm::RSA;
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case KeyExchangeAlgorithm::DHE_DSS:
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case KeyExchangeAlgorithm::DH_DSS:
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return SignatureAlgorithm::DSA;
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case KeyExchangeAlgorithm::ECDH_ECDSA:
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case KeyExchangeAlgorithm::ECDHE_ECDSA:
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return SignatureAlgorithm::ECDSA;
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case KeyExchangeAlgorithm::DH_anon:
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case KeyExchangeAlgorithm::ECDH_anon:
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default:
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return SignatureAlgorithm::ANONYMOUS;
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}
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}
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enum class CipherAlgorithm {
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Invalid,
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AES_128_CBC,
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AES_128_GCM,
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AES_128_CCM,
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AES_128_CCM_8,
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AES_256_CBC,
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AES_256_GCM,
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};
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constexpr size_t cipher_key_size(CipherAlgorithm algorithm)
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{
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switch (algorithm) {
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case CipherAlgorithm::AES_128_CBC:
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case CipherAlgorithm::AES_128_GCM:
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case CipherAlgorithm::AES_128_CCM:
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case CipherAlgorithm::AES_128_CCM_8:
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return 128;
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case CipherAlgorithm::AES_256_CBC:
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case CipherAlgorithm::AES_256_GCM:
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return 256;
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case CipherAlgorithm::Invalid:
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default:
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return 0;
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}
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}
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}
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