/* * Copyright 2019-2024 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 #include #include #include /* For TLS1_VERSION etc */ #include #include #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", "brainpoolP256r1", "EC", 25), TLS_GROUP_ENTRY("brainpoolP384r1", "brainpoolP384r1", "EC", 26), TLS_GROUP_ENTRY("brainpoolP512r1", "brainpoolP512r1", "EC", 27), TLS_GROUP_ENTRY("x25519", "X25519", "X25519", 28), TLS_GROUP_ENTRY("x448", "X448", "X448", 29), TLS_GROUP_ENTRY("brainpoolP256r1tls13", "brainpoolP256r1", "EC", 30), TLS_GROUP_ENTRY("brainpoolP384r1tls13", "brainpoolP384r1", "EC", 31), TLS_GROUP_ENTRY("brainpoolP512r1tls13", "brainpoolP512r1", "EC", 32), # endif # endif /* OPENSSL_NO_EC */ # ifndef OPENSSL_NO_DH /* Security bit values for FFDHE groups are as per RFC 7919 */ TLS_GROUP_ENTRY("ffdhe2048", "ffdhe2048", "DH", 33), TLS_GROUP_ENTRY("ffdhe3072", "ffdhe3072", "DH", 34), TLS_GROUP_ENTRY("ffdhe4096", "ffdhe4096", "DH", 35), TLS_GROUP_ENTRY("ffdhe6144", "ffdhe6144", "DH", 36), TLS_GROUP_ENTRY("ffdhe8192", "ffdhe8192", "DH", 37), # endif }; #endif /* !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) */ static int tls_group_capability(OSSL_CALLBACK *cb, void *arg) { #if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) size_t i; for (i = 0; i < OSSL_NELEM(param_group_list); i++) if (!cb(param_group_list[i], arg)) return 0; #endif return 1; } int ossl_prov_get_capabilities(void *provctx, const char *capability, OSSL_CALLBACK *cb, void *arg) { if (OPENSSL_strcasecmp(capability, "TLS-GROUP") == 0) return tls_group_capability(cb, arg); /* We don't support this capability */ return 0; }