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/*
* (C) 2017 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_TLS_ALGO_IDS_H_
#define BOTAN_TLS_ALGO_IDS_H_
#include <botan/types.h>
#include <string>
#include <vector>
//BOTAN_FUTURE_INTERNAL_HEADER(tls_algos.h)
namespace Botan {
namespace TLS {
enum class Cipher_Algo {
CHACHA20_POLY1305,
AES_128_GCM,
AES_256_GCM,
AES_256_OCB,
CAMELLIA_128_GCM,
CAMELLIA_256_GCM,
ARIA_128_GCM,
ARIA_256_GCM,
AES_128_CCM,
AES_256_CCM,
AES_128_CCM_8,
AES_256_CCM_8,
AES_128_CBC_HMAC_SHA1,
AES_128_CBC_HMAC_SHA256,
AES_256_CBC_HMAC_SHA1,
AES_256_CBC_HMAC_SHA256,
AES_256_CBC_HMAC_SHA384,
DES_EDE_CBC_HMAC_SHA1,
};
enum class KDF_Algo {
SHA_1,
SHA_256,
SHA_384,
};
std::string BOTAN_DLL kdf_algo_to_string(KDF_Algo algo);
enum class Nonce_Format {
CBC_MODE,
AEAD_IMPLICIT_4,
AEAD_XOR_12,
};
// TODO encoding should match signature_algorithms extension
// TODO this should include hash etc as in TLS v1.3
enum class Auth_Method {
RSA,
ECDSA,
// These are placed outside the encodable range
IMPLICIT = 0x10000
};
std::string BOTAN_TEST_API auth_method_to_string(Auth_Method method);
Auth_Method BOTAN_TEST_API auth_method_from_string(const std::string& str);
/*
* This matches the wire encoding
*/
enum class Signature_Scheme : uint16_t {
NONE = 0x0000,
RSA_PKCS1_SHA256 = 0x0401,
RSA_PKCS1_SHA384 = 0x0501,
RSA_PKCS1_SHA512 = 0x0601,
ECDSA_SHA256 = 0x0403,
ECDSA_SHA384 = 0x0503,
ECDSA_SHA512 = 0x0603,
RSA_PSS_SHA256 = 0x0804,
RSA_PSS_SHA384 = 0x0805,
RSA_PSS_SHA512 = 0x0806,
EDDSA_25519 = 0x0807,
EDDSA_448 = 0x0808,
};
BOTAN_UNSTABLE_API const std::vector<Signature_Scheme>& all_signature_schemes();
bool BOTAN_UNSTABLE_API signature_scheme_is_known(Signature_Scheme scheme);
std::string BOTAN_UNSTABLE_API sig_scheme_to_string(Signature_Scheme scheme);
std::string BOTAN_UNSTABLE_API hash_function_of_scheme(Signature_Scheme scheme);
std::string BOTAN_UNSTABLE_API padding_string_for_scheme(Signature_Scheme scheme);
std::string signature_algorithm_of_scheme(Signature_Scheme scheme);
/*
* Matches with wire encoding
*/
enum class Group_Params : uint16_t {
NONE = 0,
SECP256R1 = 23,
SECP384R1 = 24,
SECP521R1 = 25,
BRAINPOOL256R1 = 26,
BRAINPOOL384R1 = 27,
BRAINPOOL512R1 = 28,
X25519 = 29,
FFDHE_2048 = 256,
FFDHE_3072 = 257,
FFDHE_4096 = 258,
FFDHE_6144 = 259,
FFDHE_8192 = 260,
};
std::string group_param_to_string(Group_Params group);
Group_Params group_param_from_string(const std::string& group_name);
bool group_param_is_dh(Group_Params group);
enum class Kex_Algo {
STATIC_RSA,
DH,
ECDH,
CECPQ1,
PSK,
ECDHE_PSK,
};
std::string BOTAN_TEST_API kex_method_to_string(Kex_Algo method);
Kex_Algo BOTAN_TEST_API kex_method_from_string(const std::string& str);
inline bool key_exchange_is_psk(Kex_Algo m)
{
return (m == Kex_Algo::PSK ||
m == Kex_Algo::ECDHE_PSK);
}
}
}
#endif
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