1/* 2 * Copyright 2019-2022 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10#include <assert.h> 11#include <string.h> 12#include <openssl/core_dispatch.h> 13#include <openssl/core_names.h> 14/* For TLS1_VERSION etc */ 15#include <openssl/prov_ssl.h> 16#include <openssl/params.h> 17#include "internal/nelem.h" 18#include "internal/tlsgroups.h" 19#include "prov/providercommon.h" 20#include "e_os.h" 21 22/* If neither ec or dh is available then we have no TLS-GROUP capabilities */ 23#if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) 24typedef struct tls_group_constants_st { 25 unsigned int group_id; /* Group ID */ 26 unsigned int secbits; /* Bits of security */ 27 int mintls; /* Minimum TLS version, -1 unsupported */ 28 int maxtls; /* Maximum TLS version (or 0 for undefined) */ 29 int mindtls; /* Minimum DTLS version, -1 unsupported */ 30 int maxdtls; /* Maximum DTLS version (or 0 for undefined) */ 31} TLS_GROUP_CONSTANTS; 32 33static const TLS_GROUP_CONSTANTS group_list[35] = { 34 { OSSL_TLS_GROUP_ID_sect163k1, 80, TLS1_VERSION, TLS1_2_VERSION, 35 DTLS1_VERSION, DTLS1_2_VERSION }, 36 { OSSL_TLS_GROUP_ID_sect163r1, 80, TLS1_VERSION, TLS1_2_VERSION, 37 DTLS1_VERSION, DTLS1_2_VERSION }, 38 { OSSL_TLS_GROUP_ID_sect163r2, 80, TLS1_VERSION, TLS1_2_VERSION, 39 DTLS1_VERSION, DTLS1_2_VERSION }, 40 { OSSL_TLS_GROUP_ID_sect193r1, 80, TLS1_VERSION, TLS1_2_VERSION, 41 DTLS1_VERSION, DTLS1_2_VERSION }, 42 { OSSL_TLS_GROUP_ID_sect193r2, 80, TLS1_VERSION, TLS1_2_VERSION, 43 DTLS1_VERSION, DTLS1_2_VERSION }, 44 { OSSL_TLS_GROUP_ID_sect233k1, 112, TLS1_VERSION, TLS1_2_VERSION, 45 DTLS1_VERSION, DTLS1_2_VERSION }, 46 { OSSL_TLS_GROUP_ID_sect233r1, 112, TLS1_VERSION, TLS1_2_VERSION, 47 DTLS1_VERSION, DTLS1_2_VERSION }, 48 { OSSL_TLS_GROUP_ID_sect239k1, 112, TLS1_VERSION, TLS1_2_VERSION, 49 DTLS1_VERSION, DTLS1_2_VERSION }, 50 { OSSL_TLS_GROUP_ID_sect283k1, 128, TLS1_VERSION, TLS1_2_VERSION, 51 DTLS1_VERSION, DTLS1_2_VERSION }, 52 { OSSL_TLS_GROUP_ID_sect283r1, 128, TLS1_VERSION, TLS1_2_VERSION, 53 DTLS1_VERSION, DTLS1_2_VERSION }, 54 { OSSL_TLS_GROUP_ID_sect409k1, 192, TLS1_VERSION, TLS1_2_VERSION, 55 DTLS1_VERSION, DTLS1_2_VERSION }, 56 { OSSL_TLS_GROUP_ID_sect409r1, 192, TLS1_VERSION, TLS1_2_VERSION, 57 DTLS1_VERSION, DTLS1_2_VERSION }, 58 { OSSL_TLS_GROUP_ID_sect571k1, 256, TLS1_VERSION, TLS1_2_VERSION, 59 DTLS1_VERSION, DTLS1_2_VERSION }, 60 { OSSL_TLS_GROUP_ID_sect571r1, 256, TLS1_VERSION, TLS1_2_VERSION, 61 DTLS1_VERSION, DTLS1_2_VERSION }, 62 { OSSL_TLS_GROUP_ID_secp160k1, 80, TLS1_VERSION, TLS1_2_VERSION, 63 DTLS1_VERSION, DTLS1_2_VERSION }, 64 { OSSL_TLS_GROUP_ID_secp160r1, 80, TLS1_VERSION, TLS1_2_VERSION, 65 DTLS1_VERSION, DTLS1_2_VERSION }, 66 { OSSL_TLS_GROUP_ID_secp160r2, 80, TLS1_VERSION, TLS1_2_VERSION, 67 DTLS1_VERSION, DTLS1_2_VERSION }, 68 { OSSL_TLS_GROUP_ID_secp192k1, 80, TLS1_VERSION, TLS1_2_VERSION, 69 DTLS1_VERSION, DTLS1_2_VERSION }, 70 { OSSL_TLS_GROUP_ID_secp192r1, 80, TLS1_VERSION, TLS1_2_VERSION, 71 DTLS1_VERSION, DTLS1_2_VERSION }, 72 { OSSL_TLS_GROUP_ID_secp224k1, 112, TLS1_VERSION, TLS1_2_VERSION, 73 DTLS1_VERSION, DTLS1_2_VERSION }, 74 { OSSL_TLS_GROUP_ID_secp224r1, 112, TLS1_VERSION, TLS1_2_VERSION, 75 DTLS1_VERSION, DTLS1_2_VERSION }, 76 { OSSL_TLS_GROUP_ID_secp256k1, 128, TLS1_VERSION, TLS1_2_VERSION, 77 DTLS1_VERSION, DTLS1_2_VERSION }, 78 { OSSL_TLS_GROUP_ID_secp256r1, 128, TLS1_VERSION, 0, DTLS1_VERSION, 0 }, 79 { OSSL_TLS_GROUP_ID_secp384r1, 192, TLS1_VERSION, 0, DTLS1_VERSION, 0 }, 80 { OSSL_TLS_GROUP_ID_secp521r1, 256, TLS1_VERSION, 0, DTLS1_VERSION, 0 }, 81 { OSSL_TLS_GROUP_ID_brainpoolP256r1, 128, TLS1_VERSION, TLS1_2_VERSION, 82 DTLS1_VERSION, DTLS1_2_VERSION }, 83 { OSSL_TLS_GROUP_ID_brainpoolP384r1, 192, TLS1_VERSION, TLS1_2_VERSION, 84 DTLS1_VERSION, DTLS1_2_VERSION }, 85 { OSSL_TLS_GROUP_ID_brainpoolP512r1, 256, TLS1_VERSION, TLS1_2_VERSION, 86 DTLS1_VERSION, DTLS1_2_VERSION }, 87 { OSSL_TLS_GROUP_ID_x25519, 128, TLS1_VERSION, 0, DTLS1_VERSION, 0 }, 88 { OSSL_TLS_GROUP_ID_x448, 224, TLS1_VERSION, 0, DTLS1_VERSION, 0 }, 89 /* Security bit values as given by BN_security_bits() */ 90 { OSSL_TLS_GROUP_ID_ffdhe2048, 112, TLS1_3_VERSION, 0, -1, -1 }, 91 { OSSL_TLS_GROUP_ID_ffdhe3072, 128, TLS1_3_VERSION, 0, -1, -1 }, 92 { OSSL_TLS_GROUP_ID_ffdhe4096, 128, TLS1_3_VERSION, 0, -1, -1 }, 93 { OSSL_TLS_GROUP_ID_ffdhe6144, 128, TLS1_3_VERSION, 0, -1, -1 }, 94 { OSSL_TLS_GROUP_ID_ffdhe8192, 192, TLS1_3_VERSION, 0, -1, -1 }, 95}; 96 97#define TLS_GROUP_ENTRY(tlsname, realname, algorithm, idx) \ 98 { \ 99 OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_GROUP_NAME, \ 100 tlsname, \ 101 sizeof(tlsname)), \ 102 OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_GROUP_NAME_INTERNAL, \ 103 realname, \ 104 sizeof(realname)), \ 105 OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_GROUP_ALG, \ 106 algorithm, \ 107 sizeof(algorithm)), \ 108 OSSL_PARAM_uint(OSSL_CAPABILITY_TLS_GROUP_ID, \ 109 (unsigned int *)&group_list[idx].group_id), \ 110 OSSL_PARAM_uint(OSSL_CAPABILITY_TLS_GROUP_SECURITY_BITS, \ 111 (unsigned int *)&group_list[idx].secbits), \ 112 OSSL_PARAM_int(OSSL_CAPABILITY_TLS_GROUP_MIN_TLS, \ 113 (unsigned int *)&group_list[idx].mintls), \ 114 OSSL_PARAM_int(OSSL_CAPABILITY_TLS_GROUP_MAX_TLS, \ 115 (unsigned int *)&group_list[idx].maxtls), \ 116 OSSL_PARAM_int(OSSL_CAPABILITY_TLS_GROUP_MIN_DTLS, \ 117 (unsigned int *)&group_list[idx].mindtls), \ 118 OSSL_PARAM_int(OSSL_CAPABILITY_TLS_GROUP_MAX_DTLS, \ 119 (unsigned int *)&group_list[idx].maxdtls), \ 120 OSSL_PARAM_END \ 121 } 122 123static const OSSL_PARAM param_group_list[][10] = { 124# ifndef OPENSSL_NO_EC 125# ifndef OPENSSL_NO_EC2M 126 TLS_GROUP_ENTRY("sect163k1", "sect163k1", "EC", 0), 127 TLS_GROUP_ENTRY("K-163", "sect163k1", "EC", 0), /* Alias of above */ 128# endif 129# ifndef FIPS_MODULE 130 TLS_GROUP_ENTRY("sect163r1", "sect163r1", "EC", 1), 131# endif 132# ifndef OPENSSL_NO_EC2M 133 TLS_GROUP_ENTRY("sect163r2", "sect163r2", "EC", 2), 134 TLS_GROUP_ENTRY("B-163", "sect163r2", "EC", 2), /* Alias of above */ 135# endif 136# ifndef FIPS_MODULE 137 TLS_GROUP_ENTRY("sect193r1", "sect193r1", "EC", 3), 138 TLS_GROUP_ENTRY("sect193r2", "sect193r2", "EC", 4), 139# endif 140# ifndef OPENSSL_NO_EC2M 141 TLS_GROUP_ENTRY("sect233k1", "sect233k1", "EC", 5), 142 TLS_GROUP_ENTRY("K-233", "sect233k1", "EC", 5), /* Alias of above */ 143 TLS_GROUP_ENTRY("sect233r1", "sect233r1", "EC", 6), 144 TLS_GROUP_ENTRY("B-233", "sect233r1", "EC", 6), /* Alias of above */ 145# endif 146# ifndef FIPS_MODULE 147 TLS_GROUP_ENTRY("sect239k1", "sect239k1", "EC", 7), 148# endif 149# ifndef OPENSSL_NO_EC2M 150 TLS_GROUP_ENTRY("sect283k1", "sect283k1", "EC", 8), 151 TLS_GROUP_ENTRY("K-283", "sect283k1", "EC", 8), /* Alias of above */ 152 TLS_GROUP_ENTRY("sect283r1", "sect283r1", "EC", 9), 153 TLS_GROUP_ENTRY("B-283", "sect283r1", "EC", 9), /* Alias of above */ 154 TLS_GROUP_ENTRY("sect409k1", "sect409k1", "EC", 10), 155 TLS_GROUP_ENTRY("K-409", "sect409k1", "EC", 10), /* Alias of above */ 156 TLS_GROUP_ENTRY("sect409r1", "sect409r1", "EC", 11), 157 TLS_GROUP_ENTRY("B-409", "sect409r1", "EC", 11), /* Alias of above */ 158 TLS_GROUP_ENTRY("sect571k1", "sect571k1", "EC", 12), 159 TLS_GROUP_ENTRY("K-571", "sect571k1", "EC", 12), /* Alias of above */ 160 TLS_GROUP_ENTRY("sect571r1", "sect571r1", "EC", 13), 161 TLS_GROUP_ENTRY("B-571", "sect571r1", "EC", 13), /* Alias of above */ 162# endif 163# ifndef FIPS_MODULE 164 TLS_GROUP_ENTRY("secp160k1", "secp160k1", "EC", 14), 165 TLS_GROUP_ENTRY("secp160r1", "secp160r1", "EC", 15), 166 TLS_GROUP_ENTRY("secp160r2", "secp160r2", "EC", 16), 167 TLS_GROUP_ENTRY("secp192k1", "secp192k1", "EC", 17), 168# endif 169 TLS_GROUP_ENTRY("secp192r1", "prime192v1", "EC", 18), 170 TLS_GROUP_ENTRY("P-192", "prime192v1", "EC", 18), /* Alias of above */ 171# ifndef FIPS_MODULE 172 TLS_GROUP_ENTRY("secp224k1", "secp224k1", "EC", 19), 173# endif 174 TLS_GROUP_ENTRY("secp224r1", "secp224r1", "EC", 20), 175 TLS_GROUP_ENTRY("P-224", "secp224r1", "EC", 20), /* Alias of above */ 176# ifndef FIPS_MODULE 177 TLS_GROUP_ENTRY("secp256k1", "secp256k1", "EC", 21), 178# endif 179 TLS_GROUP_ENTRY("secp256r1", "prime256v1", "EC", 22), 180 TLS_GROUP_ENTRY("P-256", "prime256v1", "EC", 22), /* Alias of above */ 181 TLS_GROUP_ENTRY("secp384r1", "secp384r1", "EC", 23), 182 TLS_GROUP_ENTRY("P-384", "secp384r1", "EC", 23), /* Alias of above */ 183 TLS_GROUP_ENTRY("secp521r1", "secp521r1", "EC", 24), 184 TLS_GROUP_ENTRY("P-521", "secp521r1", "EC", 24), /* Alias of above */ 185# ifndef FIPS_MODULE 186 TLS_GROUP_ENTRY("brainpoolP256r1", "brainpoolP256r1", "EC", 25), 187 TLS_GROUP_ENTRY("brainpoolP384r1", "brainpoolP384r1", "EC", 26), 188 TLS_GROUP_ENTRY("brainpoolP512r1", "brainpoolP512r1", "EC", 27), 189# endif 190 TLS_GROUP_ENTRY("x25519", "X25519", "X25519", 28), 191 TLS_GROUP_ENTRY("x448", "X448", "X448", 29), 192# endif /* OPENSSL_NO_EC */ 193# ifndef OPENSSL_NO_DH 194 /* Security bit values for FFDHE groups are as per RFC 7919 */ 195 TLS_GROUP_ENTRY("ffdhe2048", "ffdhe2048", "DH", 30), 196 TLS_GROUP_ENTRY("ffdhe3072", "ffdhe3072", "DH", 31), 197 TLS_GROUP_ENTRY("ffdhe4096", "ffdhe4096", "DH", 32), 198 TLS_GROUP_ENTRY("ffdhe6144", "ffdhe6144", "DH", 33), 199 TLS_GROUP_ENTRY("ffdhe8192", "ffdhe8192", "DH", 34), 200# endif 201}; 202#endif /* !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) */ 203 204static int tls_group_capability(OSSL_CALLBACK *cb, void *arg) 205{ 206#if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) 207 size_t i; 208 209 for (i = 0; i < OSSL_NELEM(param_group_list); i++) 210 if (!cb(param_group_list[i], arg)) 211 return 0; 212#endif 213 214 return 1; 215} 216 217int ossl_prov_get_capabilities(void *provctx, const char *capability, 218 OSSL_CALLBACK *cb, void *arg) 219{ 220 if (OPENSSL_strcasecmp(capability, "TLS-GROUP") == 0) 221 return tls_group_capability(cb, arg); 222 223 /* We don't support this capability */ 224 return 0; 225} 226