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strongswan/src/libtls/tls_crypto.h

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/*
* Copyright (C) 2020 Tobias Brunner
* Copyright (C) 2020-2021 Pascal Knecht
* Copyright (C) 2020 Méline Sieber
* HSR Hochschule fuer Technik Rapperswil
*
* Copyright (C) 2010 Martin Willi
* Copyright (C) 2010 revosec AG
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
/**
* @defgroup tls_crypto tls_crypto
* @{ @ingroup libtls
*/
#ifndef TLS_CRYPTO_H_
#define TLS_CRYPTO_H_
typedef struct tls_crypto_t tls_crypto_t;
typedef enum tls_cipher_suite_t tls_cipher_suite_t;
typedef enum tls_hash_algorithm_t tls_hash_algorithm_t;
typedef enum tls_signature_scheme_t tls_signature_scheme_t;
typedef enum tls_client_certificate_type_t tls_client_certificate_type_t;
typedef enum tls_ecc_curve_type_t tls_ecc_curve_type_t;
typedef enum tls_named_group_t tls_named_group_t;
typedef enum tls_ansi_point_format_t tls_ansi_point_format_t;
typedef enum tls_ec_point_format_t tls_ec_point_format_t;
#include "tls.h"
#include "tls_prf.h"
#include "tls_protection.h"
#include <library.h>
#include <credentials/keys/private_key.h>
/**
* TLS cipher suites
*/
enum tls_cipher_suite_t {
TLS_NULL_WITH_NULL_NULL = 0x0000,
TLS_RSA_WITH_NULL_MD5 = 0x0001,
TLS_RSA_WITH_NULL_SHA = 0x0002,
TLS_RSA_EXPORT_WITH_RC4_40_MD5 = 0x0003,
TLS_RSA_WITH_RC4_128_MD5 = 0x0004,
TLS_RSA_WITH_RC4_128_SHA = 0x0005,
TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5 = 0x0006,
TLS_RSA_WITH_IDEA_CBC_SHA = 0x0007,
TLS_RSA_EXPORT_WITH_DES40_CBC_SHA = 0x0008,
TLS_RSA_WITH_DES_CBC_SHA = 0x0009,
TLS_RSA_WITH_3DES_EDE_CBC_SHA = 0x000A,
TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA = 0x000B,
TLS_DH_DSS_WITH_DES_CBC_SHA = 0x000C,
TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA = 0x000D,
TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA = 0x000E,
TLS_DH_RSA_WITH_DES_CBC_SHA = 0x000F,
TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA = 0x0010,
TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA = 0x0011,
TLS_DHE_DSS_WITH_DES_CBC_SHA = 0x0012,
TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA = 0x0013,
TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA = 0x0014,
TLS_DHE_RSA_WITH_DES_CBC_SHA = 0x0015,
TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA = 0x0016,
TLS_DH_anon_EXPORT_WITH_RC4_40_MD5 = 0x0017,
TLS_DH_anon_WITH_RC4_128_MD5 = 0x0018,
TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA = 0x0019,
TLS_DH_anon_WITH_DES_CBC_SHA = 0x001A,
TLS_DH_anon_WITH_3DES_EDE_CBC_SHA = 0x001B,
TLS_KRB5_WITH_DES_CBC_SHA = 0x001E,
TLS_KRB5_WITH_3DES_EDE_CBC_SHA = 0x001F,
TLS_KRB5_WITH_RC4_128_SHA = 0x0020,
TLS_KRB5_WITH_IDEA_CBC_SHA = 0x0021,
TLS_KRB5_WITH_DES_CBC_MD5 = 0x0022,
TLS_KRB5_WITH_3DES_EDE_CBC_MD5 = 0x0023,
TLS_KRB5_WITH_RC4_128_MD5 = 0x0024,
TLS_KRB5_WITH_IDEA_CBC_MD5 = 0x0025,
TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA = 0x0026,
TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA = 0x0027,
TLS_KRB5_EXPORT_WITH_RC4_40_SHA = 0x0028,
TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5 = 0x0029,
TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5 = 0x002A,
TLS_KRB5_EXPORT_WITH_RC4_40_MD5 = 0x002B,
TLS_PSK_WITH_NULL_SHA = 0x002C,
TLS_DHE_PSK_WITH_NULL_SHA = 0x002D,
TLS_RSA_PSK_WITH_NULL_SHA = 0x002E,
TLS_RSA_WITH_AES_128_CBC_SHA = 0x002F,
TLS_DH_DSS_WITH_AES_128_CBC_SHA = 0x0030,
TLS_DH_RSA_WITH_AES_128_CBC_SHA = 0x0031,
TLS_DHE_DSS_WITH_AES_128_CBC_SHA = 0x0032,
TLS_DHE_RSA_WITH_AES_128_CBC_SHA = 0x0033,
TLS_DH_anon_WITH_AES_128_CBC_SHA = 0x0034,
TLS_RSA_WITH_AES_256_CBC_SHA = 0x0035,
TLS_DH_DSS_WITH_AES_256_CBC_SHA = 0x0036,
TLS_DH_RSA_WITH_AES_256_CBC_SHA = 0x0037,
TLS_DHE_DSS_WITH_AES_256_CBC_SHA = 0x0038,
TLS_DHE_RSA_WITH_AES_256_CBC_SHA = 0x0039,
TLS_DH_anon_WITH_AES_256_CBC_SHA = 0x003A,
TLS_RSA_WITH_NULL_SHA256 = 0x003B,
TLS_RSA_WITH_AES_128_CBC_SHA256 = 0x003C,
TLS_RSA_WITH_AES_256_CBC_SHA256 = 0x003D,
TLS_DH_DSS_WITH_AES_128_CBC_SHA256 = 0x003E,
TLS_DH_RSA_WITH_AES_128_CBC_SHA256 = 0x003F,
TLS_DHE_DSS_WITH_AES_128_CBC_SHA256 = 0x0040,
TLS_RSA_WITH_CAMELLIA_128_CBC_SHA = 0x0041,
TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA = 0x0042,
TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA = 0x0043,
TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA = 0x0044,
TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA = 0x0045,
TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA = 0x0046,
TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 = 0x0067,
TLS_DH_DSS_WITH_AES_256_CBC_SHA256 = 0x0068,
TLS_DH_RSA_WITH_AES_256_CBC_SHA256 = 0x0069,
TLS_DHE_DSS_WITH_AES_256_CBC_SHA256 = 0x006A,
TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 = 0x006B,
TLS_DH_anon_WITH_AES_128_CBC_SHA256 = 0x006C,
TLS_DH_anon_WITH_AES_256_CBC_SHA256 = 0x006D,
TLS_RSA_WITH_CAMELLIA_256_CBC_SHA = 0x0084,
TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA = 0x0085,
TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA = 0x0086,
TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA = 0x0087,
TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA = 0x0088,
TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA = 0x0089,
TLS_PSK_WITH_RC4_128_SHA = 0x008A,
TLS_PSK_WITH_3DES_EDE_CBC_SHA = 0x008B,
TLS_PSK_WITH_AES_128_CBC_SHA = 0x008C,
TLS_PSK_WITH_AES_256_CBC_SHA = 0x008D,
TLS_DHE_PSK_WITH_RC4_128_SHA = 0x008E,
TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA = 0x008F,
TLS_DHE_PSK_WITH_AES_128_CBC_SHA = 0x0090,
TLS_DHE_PSK_WITH_AES_256_CBC_SHA = 0x0091,
TLS_RSA_PSK_WITH_RC4_128_SHA = 0x0092,
TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA = 0x0093,
TLS_RSA_PSK_WITH_AES_128_CBC_SHA = 0x0094,
TLS_RSA_PSK_WITH_AES_256_CBC_SHA = 0x0095,
TLS_RSA_WITH_SEED_CBC_SHA = 0x0096,
TLS_DH_DSS_WITH_SEED_CBC_SHA = 0x0097,
TLS_DH_RSA_WITH_SEED_CBC_SHA = 0x0098,
TLS_DHE_DSS_WITH_SEED_CBC_SHA = 0x0099,
TLS_DHE_RSA_WITH_SEED_CBC_SHA = 0x009A,
TLS_DH_anon_WITH_SEED_CBC_SHA = 0x009B,
TLS_RSA_WITH_AES_128_GCM_SHA256 = 0x009C,
TLS_RSA_WITH_AES_256_GCM_SHA384 = 0x009D,
TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 = 0x009E,
TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 = 0x009F,
TLS_DH_RSA_WITH_AES_128_GCM_SHA256 = 0x00A0,
TLS_DH_RSA_WITH_AES_256_GCM_SHA384 = 0x00A1,
TLS_DHE_DSS_WITH_AES_128_GCM_SHA256 = 0x00A2,
TLS_DHE_DSS_WITH_AES_256_GCM_SHA384 = 0x00A3,
TLS_DH_DSS_WITH_AES_128_GCM_SHA256 = 0x00A4,
TLS_DH_DSS_WITH_AES_256_GCM_SHA384 = 0x00A5,
TLS_DH_anon_WITH_AES_128_GCM_SHA256 = 0x00A6,
TLS_DH_anon_WITH_AES_256_GCM_SHA384 = 0x00A7,
TLS_PSK_WITH_AES_128_GCM_SHA256 = 0x00A8,
TLS_PSK_WITH_AES_256_GCM_SHA384 = 0x00A9,
TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 = 0x00AA,
TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 = 0x00AB,
TLS_RSA_PSK_WITH_AES_128_GCM_SHA256 = 0x00AC,
TLS_RSA_PSK_WITH_AES_256_GCM_SHA384 = 0x00AD,
TLS_PSK_WITH_AES_128_CBC_SHA256 = 0x00AE,
TLS_PSK_WITH_AES_256_CBC_SHA384 = 0x00AF,
TLS_PSK_WITH_NULL_SHA256 = 0x00B0,
TLS_PSK_WITH_NULL_SHA384 = 0x00B1,
TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 = 0x00B2,
TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 = 0x00B3,
TLS_DHE_PSK_WITH_NULL_SHA256 = 0x00B4,
TLS_DHE_PSK_WITH_NULL_SHA384 = 0x00B5,
TLS_RSA_PSK_WITH_AES_128_CBC_SHA256 = 0x00B6,
TLS_RSA_PSK_WITH_AES_256_CBC_SHA384 = 0x00B7,
TLS_RSA_PSK_WITH_NULL_SHA256 = 0x00B8,
TLS_RSA_PSK_WITH_NULL_SHA384 = 0x00B9,
TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 = 0x00BA,
TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256 = 0x00BB,
TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256 = 0x00BC,
TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256 = 0x00BD,
TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 = 0x00BE,
TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256 = 0x00BF,
TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 = 0x00C0,
TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256 = 0x00C1,
TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256 = 0x00C2,
TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256 = 0x00C3,
TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 = 0x00C4,
TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256 = 0x00C5,
TLS_EMPTY_RENEGOTIATION_INFO_SCSV = 0x00FF,
TLS_AES_128_GCM_SHA256 = 0x1301,
TLS_AES_256_GCM_SHA384 = 0x1302,
TLS_CHACHA20_POLY1305_SHA256 = 0x1303,
TLS_AES_128_CCM_SHA256 = 0x1304,
TLS_AES_128_CCM_8_SHA256 = 0x1305,
TLS_ECDH_ECDSA_WITH_NULL_SHA = 0xC001,
TLS_ECDH_ECDSA_WITH_RC4_128_SHA = 0xC002,
TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA = 0xC003,
TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA = 0xC004,
TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA = 0xC005,
TLS_ECDHE_ECDSA_WITH_NULL_SHA = 0xC006,
TLS_ECDHE_ECDSA_WITH_RC4_128_SHA = 0xC007,
TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA = 0xC008,
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA = 0xC009,
TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA = 0xC00A,
TLS_ECDH_RSA_WITH_NULL_SHA = 0xC00B,
TLS_ECDH_RSA_WITH_RC4_128_SHA = 0xC00C,
TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA = 0xC00D,
TLS_ECDH_RSA_WITH_AES_128_CBC_SHA = 0xC00E,
TLS_ECDH_RSA_WITH_AES_256_CBC_SHA = 0xC00F,
TLS_ECDHE_RSA_WITH_NULL_SHA = 0xC010,
TLS_ECDHE_RSA_WITH_RC4_128_SHA = 0xC011,
TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA = 0xC012,
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA = 0xC013,
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA = 0xC014,
TLS_ECDH_anon_WITH_NULL_SHA = 0xC015,
TLS_ECDH_anon_WITH_RC4_128_SHA = 0xC016,
TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA = 0xC017,
TLS_ECDH_anon_WITH_AES_128_CBC_SHA = 0xC018,
TLS_ECDH_anon_WITH_AES_256_CBC_SHA = 0xC019,
TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA = 0xC01A,
TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA = 0xC01B,
TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA = 0xC01C,
TLS_SRP_SHA_WITH_AES_128_CBC_SHA = 0xC01D,
TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA = 0xC01E,
TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA = 0xC01F,
TLS_SRP_SHA_WITH_AES_256_CBC_SHA = 0xC020,
TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA = 0xC021,
TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA = 0xC022,
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 = 0xC023,
TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 = 0xC024,
TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 = 0xC025,
TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 = 0xC026,
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 = 0xC027,
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 = 0xC028,
TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 = 0xC029,
TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 = 0xC02A,
TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 = 0xC02B,
TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 = 0xC02C,
TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 = 0xC02D,
TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 = 0xC02E,
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 = 0xC02F,
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 = 0xC030,
TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 = 0xC031,
TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 = 0xC032,
TLS_ECDHE_PSK_WITH_RC4_128_SHA = 0xC033,
TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA = 0xC034,
TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA = 0xC035,
TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA = 0xC036,
TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 = 0xC037,
TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384 = 0xC038,
TLS_ECDHE_PSK_WITH_NULL_SHA = 0xC039,
TLS_ECDHE_PSK_WITH_NULL_SHA256 = 0xC03A,
TLS_ECDHE_PSK_WITH_NULL_SHA384 = 0xC03B,
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 = 0xCCA8,
TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 = 0xCCA9,
TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256 = 0xCCAA,
};
/**
* Enum names for tls_cipher_suite_t
*/
extern enum_name_t *tls_cipher_suite_names;
/**
* TLS HashAlgorithm identifiers
*/
enum tls_hash_algorithm_t {
TLS_HASH_NONE = 0,
TLS_HASH_MD5 = 1,
TLS_HASH_SHA1 = 2,
TLS_HASH_SHA224 = 3,
TLS_HASH_SHA256 = 4,
TLS_HASH_SHA384 = 5,
TLS_HASH_SHA512 = 6,
};
/**
* Enum names for tls_hash_algorithm_t
*/
extern enum_name_t *tls_hash_algorithm_names;
/**
* TLS SignatureScheme identifiers
*/
enum tls_signature_scheme_t {
/* legacy schemes compatible with TLS 1.2 (first byte is the hash algorithm,
* second the key type) */
TLS_SIG_RSA_PKCS1_SHA1 = 0x0201,
TLS_SIG_ECDSA_SHA1 = 0x0203,
TLS_SIG_RSA_PKCS1_SHA224 = 0x0301,
TLS_SIG_DSA_SHA224 = 0x0302,
TLS_SIG_ECDSA_SHA224 = 0x0303,
TLS_SIG_RSA_PKCS1_SHA256 = 0x0401,
TLS_SIG_DSA_SHA256 = 0x0402,
TLS_SIG_ECDSA_SHA256 = 0x0403,
TLS_SIG_RSA_PKCS1_SHA384 = 0x0501,
TLS_SIG_DSA_SHA384 = 0x0502,
TLS_SIG_ECDSA_SHA384 = 0x0503,
TLS_SIG_RSA_PKCS1_SHA512 = 0x0601,
TLS_SIG_DSA_SHA512 = 0x0602,
TLS_SIG_ECDSA_SHA512 = 0x0603,
/* RSASSA-PSS for public keys with OID rsaEncryption */
TLS_SIG_RSA_PSS_RSAE_SHA256 = 0x0804,
TLS_SIG_RSA_PSS_RSAE_SHA384 = 0x0805,
TLS_SIG_RSA_PSS_RSAE_SHA512 = 0x0806,
/* EdDSA */
TLS_SIG_ED25519 = 0x0807,
TLS_SIG_ED448 = 0x0808,
/* RSASSA-PSS for public keys with OID RSASSA-PSS */
TLS_SIG_RSA_PSS_PSS_SHA256 = 0x0809,
TLS_SIG_RSA_PSS_PSS_SHA384 = 0x080a,
TLS_SIG_RSA_PSS_PSS_SHA512 = 0x080b,
};
/**
* Enum names for tls_signature_scheme_t
*/
extern enum_name_t *tls_signature_scheme_names;
/**
* TLS ClientCertificateType
*/
enum tls_client_certificate_type_t {
TLS_RSA_SIGN = 1,
TLS_DSA_SIGN = 2,
TLS_RSA_FIXED_DH = 3,
TLS_DSS_FIXED_DH = 4,
TLS_RSA_EPHEMERAL_DH = 5,
TLS_DSS_EPHEMERAL_DH = 6,
TLS_FORTEZZA_DMS = 20,
TLS_ECDSA_SIGN = 64,
TLS_RSA_FIXED_ECDH = 65,
TLS_ECDSA_FIXED_ECDH = 66,
};
/**
* Enum names for tls_client_certificate_type_t
*/
extern enum_name_t *tls_client_certificate_type_names;
/**
* TLS EccCurveType
*/
enum tls_ecc_curve_type_t {
TLS_ECC_EXPLICIT_PRIME = 1,
TLS_ECC_EXPLICIT_CHAR2 = 2,
TLS_ECC_NAMED_CURVE = 3,
};
/**
* Enum names for tls_ecc_curve_type_t
*/
extern enum_name_t *tls_ecc_curve_type_names;
/**
* TLS Named Curve identifiers
*/
enum tls_named_group_t {
TLS_SECT163K1 = 1,
TLS_SECT163R1 = 2,
TLS_SECT163R2 = 3,
TLS_SECT193R1 = 4,
TLS_SECT193R2 = 5,
TLS_SECT233K1 = 6,
TLS_SECT233R1 = 7,
TLS_SECT239K1 = 8,
TLS_SECT283K1 = 9,
TLS_SECT283R1 = 10,
TLS_SECT409K1 = 11,
TLS_SECT409R1 = 12,
TLS_SECT571K1 = 13,
TLS_SECT571R1 = 14,
TLS_SECP160K1 = 15,
TLS_SECP160R1 = 16,
TLS_SECP160R2 = 17,
TLS_SECP192K1 = 18,
TLS_SECP192R1 = 19,
TLS_SECP224K1 = 20,
TLS_SECP224R1 = 21,
TLS_SECP256K1 = 22,
TLS_SECP256R1 = 23,
TLS_SECP384R1 = 24,
TLS_SECP521R1 = 25,
/* TLS 1.3: new ecdhe, dhe groups */
TLS_CURVE25519 = 29,
TLS_CURVE448 = 30,
TLS_FFDHE2048 = 256,
TLS_FFDHE3072 = 257,
TLS_FFDHE4096 = 258,
TLS_FFDHE6144 = 259,
TLS_FFDHE8192 = 260,
};
/**
* Enum names for tls_named_group_t
*/
extern enum_name_t *tls_named_group_names;
/**
* EC Point format, ANSI X9.62.
*/
enum tls_ansi_point_format_t {
TLS_ANSI_COMPRESSED = 2,
TLS_ANSI_COMPRESSED_Y = 3,
TLS_ANSI_UNCOMPRESSED = 4,
TLS_ANSI_HYBRID = 6,
TLS_ANSI_HYBRID_Y = 7,
};
/**
* Enum names for tls_ansi_point_format_t.
*/
extern enum_name_t *tls_ansi_point_format_names;
/**
* EC Point format, TLS specific identifiers.
*/
enum tls_ec_point_format_t {
TLS_EC_POINT_UNCOMPRESSED = 0,
TLS_EC_POINT_ANSIX962_COMPRESSED_PRIME = 1,
TLS_EC_POINT_ANSIX962_COMPRESSED_CHAR2 = 2,
};
/**
* Enum names for tls_ec_point_format_t.
*/
extern enum_name_t *tls_ec_point_format_names;
/**
* TLS crypto helper functions.
*/
struct tls_crypto_t {
/**
* Get a list of supported TLS cipher suites.
*
* @param suites optional list of suites, points to internal data
* @return number of suites returned
*/
int (*get_cipher_suites)(tls_crypto_t *this, tls_cipher_suite_t **suites);
/**
* Select and store a cipher suite from a given list of candidates.
*
* @param suites list of candidates to select from
* @param count number of suites
* @param key key type used, or KEY_ANY
* @return selected suite, 0 if none acceptable
*/
tls_cipher_suite_t (*select_cipher_suite)(tls_crypto_t *this,
tls_cipher_suite_t *suites, int count,
key_type_t key);
/**
* Get the Diffie-Hellman group to use, if any.
*
* @return Diffie Hellman group, ord MODP_NONE
*/
diffie_hellman_group_t (*get_dh_group)(tls_crypto_t *this);
/**
* Write the list of supported signature schemes, either for certificates
* or for CertificateVerify messages, to writer.
*
* @param writer writer to write supported signature schemes
* @param cert TRUE to return signature schemes supported in certs
*/
void (*get_signature_algorithms)(tls_crypto_t *this, bio_writer_t *writer,
bool cert);
/**
* Create an enumerator over supported ECDH groups.
*
* Enumerates over (diffie_hellman_group_t, tls_named_group_t)
*
* @return enumerator
*/
enumerator_t* (*create_ec_enumerator)(tls_crypto_t *this);
/**
* Set the protection layer of the TLS stack to control it.
*
* @param protection protection layer to work on
*/
void (*set_protection)(tls_crypto_t *this, tls_protection_t *protection);
/**
* Store exchanged handshake data, used for cryptographic operations.
*
* @param type handshake sub type
* @param data data to append to handshake buffer
*/
void (*append_handshake)(tls_crypto_t *this,
tls_handshake_type_t type, chunk_t data);
/**
* Hash the stored handshake data and store it. It is optionally returned
* so it could be sent in a cookie extension.
*
* @param hash optionally returned hash (allocated)
*/
bool (*hash_handshake)(tls_crypto_t *this, chunk_t *hash);
/**
* Sign a blob of data, append signature to writer.
*
* @param key private key to use for signature
* @param writer TLS writer to write signature to
* @param data data to sign
* @param hashsig list of TLS1.2 hash/sig algorithms to select from
* @return TRUE if signature create successfully
*/
bool (*sign)(tls_crypto_t *this, private_key_t *key,
bio_writer_t *writer, chunk_t data, chunk_t hashsig);
/**
* Verify a blob of data, read signature from a reader.
*
* @param key public key to verify signature with
* @param reader TLS reader to read signature from
* @param data data to verify signature
* @return TRUE if signature valid
*/
bool (*verify)(tls_crypto_t *this, public_key_t *key,
bio_reader_t *reader, chunk_t data);
/**
* Create a signature of the handshake data using a given private key.
*
* @param key private key to use for signature
* @param writer TLS writer to write signature to
* @param hashsig list of TLS1.2 hash/sig algorithms to select from
* @return TRUE if signature create successfully
*/
bool (*sign_handshake)(tls_crypto_t *this, private_key_t *key,
bio_writer_t *writer, chunk_t hashsig);
/**
* Verify the signature over handshake data using a given public key.
*
* @param key public key to verify signature with
* @param reader TLS reader to read signature from
* @return TRUE if signature valid
*/
bool (*verify_handshake)(tls_crypto_t *this, public_key_t *key,
bio_reader_t *reader);
/**
* Calculate the data of a legacy TLS finished message.
*
* @param label ASCII label to use for calculation
* @param out buffer to write finished data to
* @return TRUE if calculation successful
*/
bool (*calculate_finished_legacy)(tls_crypto_t *this, char *label,
char out[12]);
/**
* Calculate the data of a TLS finished message.
*
* @param server Whether the server or client finish message is calculated
* @param out buffer to write finished data to
* @return TRUE if calculation successful
*/
bool (*calculate_finished)(tls_crypto_t *this, bool server,
chunk_t *out);
/**
* Derive the master secret, MAC and encryption keys.
*
* @param premaster premaster secret
* @param session session identifier to cache master secret
* @param id identity the session is bound to
* @param client_random random data from client hello
* @param server_random random data from server hello
* @return TRUE if secrets derived successfully
*/
bool (*derive_secrets)(tls_crypto_t *this, chunk_t premaster,
chunk_t session, identification_t *id,
chunk_t client_random, chunk_t server_random);
/**
* Derive the handshake keys.
*
* @param shared_secret input key material
* @return TRUE if secret derived successfully
*/
bool (*derive_handshake_keys)(tls_crypto_t *this, chunk_t shared_secret);
/**
* Derive the application keys.
*
* @return TRUE if secret derived successfully
*/
bool (*derive_app_keys)(tls_crypto_t *this);
/**
* Update the application keys.
*
* @param inbound whether to update the in- or outbound keys
* @return TRUE if secret derived successfully
*/
bool (*update_app_keys)(tls_crypto_t *this, bool inbound);
/**
* Try to resume a TLS session, derive key material.
*
* @param session session identifier
* @param id identity the session is bound to
* @param client_random random data from client hello
* @param server_random random data from server hello
* @return selected suite
*/
tls_cipher_suite_t (*resume_session)(tls_crypto_t *this, chunk_t session,
identification_t *id,
chunk_t client_random,
chunk_t server_random);
/**
* Check if we have a session to resume as a client.
*
* @param id server identity to get a session for
* @return allocated session identifier, or chunk_empty
*/
chunk_t (*get_session)(tls_crypto_t *this, identification_t *id);
/**
* Change the cipher used at protection layer.
*
* @param inbound TRUE to change inbound cipher, FALSE for outbound
*/
void (*change_cipher)(tls_crypto_t *this, bool inbound);
/**
* Get the MSK to use in EAP-TLS.
*
* @return MSK, points to internal data
*/
chunk_t (*get_eap_msk)(tls_crypto_t *this);
/**
* Destroy a tls_crypto_t.
*/
void (*destroy)(tls_crypto_t *this);
};
/**
* Create a tls_crypto instance.
*
* @param tls TLS stack
* @param cache TLS session cache
* @return TLS crypto helper
*/
tls_crypto_t *tls_crypto_create(tls_t *tls, tls_cache_t *cache);
/**
* Get a list of all supported TLS cipher suites.
*
* @param null include supported NULL encryption suites
* @param version TLS version
* @param suites pointer to allocated suites array, to free(), or NULL
* @return number of suites supported
*/
int tls_crypto_get_supported_suites(bool null, tls_version_t version,
tls_cipher_suite_t **suites);
/**
* Get a list of all supported TLS DH groups.
*
* @param groups pointer to allocated DH group array, to free(), or NULL
* @return number of curves supported
*/
int tls_crypto_get_supported_groups(diffie_hellman_group_t **groups);
/**
* Get a list of all supported TLS signature schemes.
*
* @param version TLS version
* @param schemes pointer to allocated signature array, to free(), or NULL
* @return number of signature schemes supported
*/
int tls_crypto_get_supported_signatures(tls_version_t version,
tls_signature_scheme_t **schemes);
/**
* Get the TLS curve of a given EC DH group
*
* @param group diffie hellman group indicator
* @return TLS group indicator
*/
tls_named_group_t tls_ec_group_to_curve(diffie_hellman_group_t group);
/**
* Get the key type from a TLS signature scheme
*
* @param sig TLS signature algorithm scheme
* @return type of a key
*/
key_type_t tls_signature_scheme_to_key_type(tls_signature_scheme_t sig);
/**
* Find a private key to encrypt/verify key exchange data
*
* @param min_version minimum negotiated TLS version
* @param max_version maximum negotiated TLS version
* @param hashsig hash and signature algorithms supported by other peer
* @param peer this peer identification
* @return enumerator over private keys,
* NULL in case no common signature scheme
*/
enumerator_t *tls_create_private_key_enumerator(tls_version_t min_version,
tls_version_t max_version,
chunk_t hashsig,
identification_t *peer);
#endif /** TLS_CRYPTO_H_ @}*/
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