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/*
* Copyright (c) 2020, Ali Mohammad Pur <mpfard@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
namespace TLS {
enum class CipherSuite {
Invalid = 0,
// Weak cipher suites, but we support them
// RFC 5246 - Original TLS v1.2 ciphers
RSA_WITH_AES_128_CBC_SHA = 0x002F,
RSA_WITH_AES_256_CBC_SHA = 0x0035,
RSA_WITH_AES_128_CBC_SHA256 = 0x003C,
RSA_WITH_AES_256_CBC_SHA256 = 0x003D,
// RFC 5288 - DH, DHE and RSA for AES-GCM
RSA_WITH_AES_128_GCM_SHA256 = 0x009C,
RSA_WITH_AES_256_GCM_SHA384 = 0x009D,
// All recommended cipher suites (according to https://ciphersuite.info/cs/)
// RFC 5288 - DH, DHE and RSA for AES-GCM
DHE_DSS_WITH_AES_128_GCM_SHA256 = 0x00A2,
DHE_DSS_WITH_AES_256_GCM_SHA384 = 0x00A3,
// RFC 5289 - ECDHE for AES-GCM
ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 = 0xC02B,
ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 = 0xC02C,
// RFC 5487 - Pre-shared keys
DHE_PSK_WITH_AES_128_GCM_SHA256 = 0x00AA,
DHE_PSK_WITH_AES_256_GCM_SHA384 = 0x00AB,
// RFC 6209 - ARIA suites
DHE_DSS_WITH_ARIA_128_GCM_SHA256 = 0xC056,
DHE_DSS_WITH_ARIA_256_GCM_SHA384 = 0xC057,
ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256 = 0xC05C,
ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384 = 0xC05D,
DHE_PSK_WITH_ARIA_128_GCM_SHA256 = 0xC06C,
DHE_PSK_WITH_ARIA_256_GCM_SHA384 = 0xC06D,
// RFC 6367 - Camellia Cipher Suites
DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256 = 0xC080,
DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384 = 0xC081,
ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 = 0xC086,
ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 = 0xC087,
DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256 = 0xC090,
DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384 = 0xC091,
// RFC 6655 - DHE, PSK and RSA with AES-CCM
DHE_PSK_WITH_AES_128_CCM = 0xC0A6,
DHE_PSK_WITH_AES_256_CCM = 0xC0A7,
// RFC 7251 - ECDHE with AES-CCM
ECDHE_ECDSA_WITH_AES_128_CCM = 0xC0AC,
ECDHE_ECDSA_WITH_AES_256_CCM = 0xC0AD,
ECDHE_ECDSA_WITH_AES_128_CCM_8 = 0xC0AE,
ECDHE_ECDSA_WITH_AES_256_CCM_8 = 0xC0AF,
// RFC 7905 - ChaCha20-Poly1305 Cipher Suites
ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 = 0xCCA9,
ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256 = 0xCCAC,
DHE_PSK_WITH_CHACHA20_POLY1305 = 0xCCAD,
// RFC 8442 - ECDHE_PSK with AES-GCM and AES-CCM
ECDHE_PSK_WITH_AES_128_GCM_SHA256 = 0xD001,
ECDHE_PSK_WITH_AES_256_GCM_SHA384 = 0xD002,
ECDHE_PSK_WITH_AES_128_CCM_8_SHA256 = 0xD003,
ECDHE_PSK_WITH_AES_128_CCM_SHA256 = 0xD005,
// RFC 8446 - TLS v1.3
AES_128_GCM_SHA256 = 0x1301,
AES_256_GCM_SHA384 = 0x1302,
CHACHA20_POLY1305_SHA256 = 0x1303,
AES_128_CCM_SHA256 = 0x1304,
AES_128_CCM_8_SHA256 = 0x1305,
};
// Defined in RFC 5246 section 7.4.1.4.1
enum class HashAlgorithm : u8 {
None = 0,
MD5 = 1,
SHA1 = 2,
SHA224 = 3,
SHA256 = 4,
SHA384 = 5,
SHA512 = 6,
};
// Defined in RFC 5246 section 7.4.1.4.1
enum class SignatureAlgorithm : u8 {
Anonymous = 0,
RSA = 1,
DSA = 2,
ECDSA = 3,
};
// Defined in RFC 5246 section 7.4.1.4.1
struct SignatureAndHashAlgorithm {
HashAlgorithm hash;
SignatureAlgorithm signature;
};
enum class KeyExchangeAlgorithm {
Invalid,
// Defined in RFC 5246 section 7.4.2 / RFC 4279 section 4
RSA_PSK,
// Defined in RFC 5246 section 7.4.3
DHE_DSS,
DHE_RSA,
DH_anon,
RSA,
DH_DSS,
DH_RSA,
// Defined in RFC 4492 section 2
ECDHE_RSA,
ECDH_ECDSA,
ECDH_RSA,
ECDHE_ECDSA,
ECDH_anon,
};
// Defined in RFC 5246 section 7.4.1.4.1
constexpr SignatureAlgorithm signature_for_key_exchange_algorithm(KeyExchangeAlgorithm algorithm)
{
switch (algorithm) {
case KeyExchangeAlgorithm::RSA:
case KeyExchangeAlgorithm::DHE_RSA:
case KeyExchangeAlgorithm::DH_RSA:
case KeyExchangeAlgorithm::RSA_PSK:
case KeyExchangeAlgorithm::ECDH_RSA:
case KeyExchangeAlgorithm::ECDHE_RSA:
return SignatureAlgorithm::RSA;
case KeyExchangeAlgorithm::DHE_DSS:
case KeyExchangeAlgorithm::DH_DSS:
return SignatureAlgorithm::DSA;
case KeyExchangeAlgorithm::ECDH_ECDSA:
case KeyExchangeAlgorithm::ECDHE_ECDSA:
return SignatureAlgorithm::ECDSA;
case KeyExchangeAlgorithm::DH_anon:
case KeyExchangeAlgorithm::ECDH_anon:
default:
return SignatureAlgorithm::Anonymous;
}
}
enum class CipherAlgorithm {
Invalid,
AES_128_CBC,
AES_128_GCM,
AES_128_CCM,
AES_128_CCM_8,
AES_256_CBC,
AES_256_GCM,
};
constexpr size_t cipher_key_size(CipherAlgorithm algorithm)
{
switch (algorithm) {
case CipherAlgorithm::AES_128_CBC:
case CipherAlgorithm::AES_128_GCM:
case CipherAlgorithm::AES_128_CCM:
case CipherAlgorithm::AES_128_CCM_8:
return 128;
case CipherAlgorithm::AES_256_CBC:
case CipherAlgorithm::AES_256_GCM:
return 256;
case CipherAlgorithm::Invalid:
default:
return 0;
}
}
}
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