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/*
* Copyright 2019-2022 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <assert.h>
#include <string.h>
#include <openssl/core_dispatch.h>
#include <openssl/core_names.h>
/* For TLS1_VERSION etc */
#include <openssl/prov_ssl.h>
#include <openssl/params.h>
#include "internal/nelem.h"
#include "internal/tlsgroups.h"
#include "prov/providercommon.h"
#include "internal/e_os.h"
/* If neither ec or dh is available then we have no TLS-GROUP capabilities */
#if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)
typedef struct tls_group_constants_st {
unsigned int group_id; /* Group ID */
unsigned int secbits; /* Bits of security */
int mintls; /* Minimum TLS version, -1 unsupported */
int maxtls; /* Maximum TLS version (or 0 for undefined) */
int mindtls; /* Minimum DTLS version, -1 unsupported */
int maxdtls; /* Maximum DTLS version (or 0 for undefined) */
} TLS_GROUP_CONSTANTS;
static const TLS_GROUP_CONSTANTS group_list[] = {
{ OSSL_TLS_GROUP_ID_sect163k1, 80, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_sect163r1, 80, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_sect163r2, 80, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_sect193r1, 80, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_sect193r2, 80, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_sect233k1, 112, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_sect233r1, 112, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_sect239k1, 112, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_sect283k1, 128, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_sect283r1, 128, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_sect409k1, 192, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_sect409r1, 192, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_sect571k1, 256, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_sect571r1, 256, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_secp160k1, 80, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_secp160r1, 80, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_secp160r2, 80, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_secp192k1, 80, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_secp192r1, 80, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_secp224k1, 112, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_secp224r1, 112, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_secp256k1, 128, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_secp256r1, 128, TLS1_VERSION, 0, DTLS1_VERSION, 0 },
{ OSSL_TLS_GROUP_ID_secp384r1, 192, TLS1_VERSION, 0, DTLS1_VERSION, 0 },
{ OSSL_TLS_GROUP_ID_secp521r1, 256, TLS1_VERSION, 0, DTLS1_VERSION, 0 },
{ OSSL_TLS_GROUP_ID_brainpoolP256r1, 128, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_brainpoolP384r1, 192, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_brainpoolP512r1, 256, TLS1_VERSION, TLS1_2_VERSION,
DTLS1_VERSION, DTLS1_2_VERSION },
{ OSSL_TLS_GROUP_ID_x25519, 128, TLS1_VERSION, 0, DTLS1_VERSION, 0 },
{ OSSL_TLS_GROUP_ID_x448, 224, TLS1_VERSION, 0, DTLS1_VERSION, 0 },
{ OSSL_TLS_GROUP_ID_brainpoolP256r1_tls13, 128, TLS1_3_VERSION, 0, -1, -1 },
{ OSSL_TLS_GROUP_ID_brainpoolP384r1_tls13, 192, TLS1_3_VERSION, 0, -1, -1 },
{ OSSL_TLS_GROUP_ID_brainpoolP512r1_tls13, 256, TLS1_3_VERSION, 0, -1, -1 },
/* Security bit values as given by BN_security_bits() */
{ OSSL_TLS_GROUP_ID_ffdhe2048, 112, TLS1_3_VERSION, 0, -1, -1 },
{ OSSL_TLS_GROUP_ID_ffdhe3072, 128, TLS1_3_VERSION, 0, -1, -1 },
{ OSSL_TLS_GROUP_ID_ffdhe4096, 128, TLS1_3_VERSION, 0, -1, -1 },
{ OSSL_TLS_GROUP_ID_ffdhe6144, 128, TLS1_3_VERSION, 0, -1, -1 },
{ OSSL_TLS_GROUP_ID_ffdhe8192, 192, TLS1_3_VERSION, 0, -1, -1 },
};
#define TLS_GROUP_ENTRY(tlsname, realname, algorithm, idx) \
{ \
OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_GROUP_NAME, \
tlsname, \
sizeof(tlsname)), \
OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_GROUP_NAME_INTERNAL, \
realname, \
sizeof(realname)), \
OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_GROUP_ALG, \
algorithm, \
sizeof(algorithm)), \
OSSL_PARAM_uint(OSSL_CAPABILITY_TLS_GROUP_ID, \
(unsigned int *)&group_list[idx].group_id), \
OSSL_PARAM_uint(OSSL_CAPABILITY_TLS_GROUP_SECURITY_BITS, \
(unsigned int *)&group_list[idx].secbits), \
OSSL_PARAM_int(OSSL_CAPABILITY_TLS_GROUP_MIN_TLS, \
(unsigned int *)&group_list[idx].mintls), \
OSSL_PARAM_int(OSSL_CAPABILITY_TLS_GROUP_MAX_TLS, \
(unsigned int *)&group_list[idx].maxtls), \
OSSL_PARAM_int(OSSL_CAPABILITY_TLS_GROUP_MIN_DTLS, \
(unsigned int *)&group_list[idx].mindtls), \
OSSL_PARAM_int(OSSL_CAPABILITY_TLS_GROUP_MAX_DTLS, \
(unsigned int *)&group_list[idx].maxdtls), \
OSSL_PARAM_END \
}
static const OSSL_PARAM param_group_list[][10] = {
# ifndef OPENSSL_NO_EC
# ifndef OPENSSL_NO_EC2M
TLS_GROUP_ENTRY("sect163k1", "sect163k1", "EC", 0),
TLS_GROUP_ENTRY("K-163", "sect163k1", "EC", 0), /* Alias of above */
# endif
# ifndef FIPS_MODULE
TLS_GROUP_ENTRY("sect163r1", "sect163r1", "EC", 1),
# endif
# ifndef OPENSSL_NO_EC2M
TLS_GROUP_ENTRY("sect163r2", "sect163r2", "EC", 2),
TLS_GROUP_ENTRY("B-163", "sect163r2", "EC", 2), /* Alias of above */
# endif
# ifndef FIPS_MODULE
TLS_GROUP_ENTRY("sect193r1", "sect193r1", "EC", 3),
TLS_GROUP_ENTRY("sect193r2", "sect193r2", "EC", 4),
# endif
# ifndef OPENSSL_NO_EC2M
TLS_GROUP_ENTRY("sect233k1", "sect233k1", "EC", 5),
TLS_GROUP_ENTRY("K-233", "sect233k1", "EC", 5), /* Alias of above */
TLS_GROUP_ENTRY("sect233r1", "sect233r1", "EC", 6),
TLS_GROUP_ENTRY("B-233", "sect233r1", "EC", 6), /* Alias of above */
# endif
# ifndef FIPS_MODULE
TLS_GROUP_ENTRY("sect239k1", "sect239k1", "EC", 7),
# endif
# ifndef OPENSSL_NO_EC2M
TLS_GROUP_ENTRY("sect283k1", "sect283k1", "EC", 8),
TLS_GROUP_ENTRY("K-283", "sect283k1", "EC", 8), /* Alias of above */
TLS_GROUP_ENTRY("sect283r1", "sect283r1", "EC", 9),
TLS_GROUP_ENTRY("B-283", "sect283r1", "EC", 9), /* Alias of above */
TLS_GROUP_ENTRY("sect409k1", "sect409k1", "EC", 10),
TLS_GROUP_ENTRY("K-409", "sect409k1", "EC", 10), /* Alias of above */
TLS_GROUP_ENTRY("sect409r1", "sect409r1", "EC", 11),
TLS_GROUP_ENTRY("B-409", "sect409r1", "EC", 11), /* Alias of above */
TLS_GROUP_ENTRY("sect571k1", "sect571k1", "EC", 12),
TLS_GROUP_ENTRY("K-571", "sect571k1", "EC", 12), /* Alias of above */
TLS_GROUP_ENTRY("sect571r1", "sect571r1", "EC", 13),
TLS_GROUP_ENTRY("B-571", "sect571r1", "EC", 13), /* Alias of above */
# endif
# ifndef FIPS_MODULE
TLS_GROUP_ENTRY("secp160k1", "secp160k1", "EC", 14),
TLS_GROUP_ENTRY("secp160r1", "secp160r1", "EC", 15),
TLS_GROUP_ENTRY("secp160r2", "secp160r2", "EC", 16),
TLS_GROUP_ENTRY("secp192k1", "secp192k1", "EC", 17),
# endif
TLS_GROUP_ENTRY("secp192r1", "prime192v1", "EC", 18),
TLS_GROUP_ENTRY("P-192", "prime192v1", "EC", 18), /* Alias of above */
# ifndef FIPS_MODULE
TLS_GROUP_ENTRY("secp224k1", "secp224k1", "EC", 19),
# endif
TLS_GROUP_ENTRY("secp224r1", "secp224r1", "EC", 20),
TLS_GROUP_ENTRY("P-224", "secp224r1", "EC", 20), /* Alias of above */
# ifndef FIPS_MODULE
TLS_GROUP_ENTRY("secp256k1", "secp256k1", "EC", 21),
# endif
TLS_GROUP_ENTRY("secp256r1", "prime256v1", "EC", 22),
TLS_GROUP_ENTRY("P-256", "prime256v1", "EC", 22), /* Alias of above */
TLS_GROUP_ENTRY("secp384r1", "secp384r1", "EC", 23),
TLS_GROUP_ENTRY("P-384", "secp384r1", "EC", 23), /* Alias of above */
TLS_GROUP_ENTRY("secp521r1", "secp521r1", "EC", 24),
TLS_GROUP_ENTRY("P-521", "secp521r1", "EC", 24), /* Alias of above */
# ifndef FIPS_MODULE
TLS_GROUP_ENTRY("brainpoolP256r1",
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