| /* |
| * Copyright 1995-2025 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 <openssl/evp.h> |
| #include <openssl/core_names.h> |
| #include <openssl/param_build.h> |
| |
| #include "predefined_dhparams.h" |
| |
| #ifndef OPENSSL_NO_DH |
| |
| static EVP_PKEY *get_dh_from_pg_bn(OSSL_LIB_CTX *libctx, const char *type, |
| BIGNUM *p, BIGNUM *g, BIGNUM *q) |
| { |
| EVP_PKEY_CTX *pctx = EVP_PKEY_CTX_new_from_name(libctx, type, NULL); |
| OSSL_PARAM_BLD *tmpl = NULL; |
| OSSL_PARAM *params = NULL; |
| EVP_PKEY *dhpkey = NULL; |
| |
| if (pctx == NULL || EVP_PKEY_fromdata_init(pctx) <= 0) |
| goto err; |
| |
| if ((tmpl = OSSL_PARAM_BLD_new()) == NULL |
| || !OSSL_PARAM_BLD_push_BN(tmpl, OSSL_PKEY_PARAM_FFC_P, p) |
| || !OSSL_PARAM_BLD_push_BN(tmpl, OSSL_PKEY_PARAM_FFC_G, g) |
| || (q != NULL |
| && !OSSL_PARAM_BLD_push_BN(tmpl, OSSL_PKEY_PARAM_FFC_Q, q))) |
| goto err; |
| |
| params = OSSL_PARAM_BLD_to_param(tmpl); |
| if (params == NULL |
| || EVP_PKEY_fromdata(pctx, &dhpkey, EVP_PKEY_KEY_PARAMETERS, params) <= 0) |
| goto err; |
| |
| err: |
| EVP_PKEY_CTX_free(pctx); |
| OSSL_PARAM_free(params); |
| OSSL_PARAM_BLD_free(tmpl); |
| return dhpkey; |
| } |
| |
| static EVP_PKEY *get_dh_from_pg(OSSL_LIB_CTX *libctx, const char *type, |
| unsigned char *pdata, size_t plen, |
| unsigned char *gdata, size_t glen, |
| unsigned char *qdata, size_t qlen) |
| { |
| EVP_PKEY *dhpkey = NULL; |
| BIGNUM *p = NULL, *g = NULL, *q = NULL; |
| |
| p = BN_bin2bn(pdata, (int)plen, NULL); |
| g = BN_bin2bn(gdata, (int)glen, NULL); |
| if (p == NULL || g == NULL) |
| goto err; |
| if (qdata != NULL && (q = BN_bin2bn(qdata, (int)qlen, NULL)) == NULL) |
| goto err; |
| |
| dhpkey = get_dh_from_pg_bn(libctx, type, p, g, q); |
| |
| err: |
| BN_free(p); |
| BN_free(g); |
| BN_free(q); |
| return dhpkey; |
| } |
| |
| EVP_PKEY *get_dh512(OSSL_LIB_CTX *libctx) |
| { |
| static unsigned char dh512_p[] = { |
| 0xCB, |
| 0xC8, |
| 0xE1, |
| 0x86, |
| 0xD0, |
| 0x1F, |
| 0x94, |
| 0x17, |
| 0xA6, |
| 0x99, |
| 0xF0, |
| 0xC6, |
| 0x1F, |
| 0x0D, |
| 0xAC, |
| 0xB6, |
| 0x25, |
| 0x3E, |
| 0x06, |
| 0x39, |
| 0xCA, |
| 0x72, |
| 0x04, |
| 0xB0, |
| 0x6E, |
| 0xDA, |
| 0xC0, |
| 0x61, |
| 0xE6, |
| 0x7A, |
| 0x77, |
| 0x25, |
| 0xE8, |
| 0x3B, |
| 0xB9, |
| 0x5F, |
| 0x9A, |
| 0xB6, |
| 0xB5, |
| 0xFE, |
| 0x99, |
| 0x0B, |
| 0xA1, |
| 0x93, |
| 0x4E, |
| 0x35, |
| 0x33, |
| 0xB8, |
| 0xE1, |
| 0xF1, |
| 0x13, |
| 0x4F, |
| 0x59, |
| 0x1A, |
| 0xD2, |
| 0x57, |
| 0xC0, |
| 0x26, |
| 0x21, |
| 0x33, |
| 0x02, |
| 0xC5, |
| 0xAE, |
| 0x23, |
| }; |
| static unsigned char dh512_g[] = { |
| 0x02, |
| }; |
| |
| return get_dh_from_pg(libctx, "DH", dh512_p, sizeof(dh512_p), |
| dh512_g, sizeof(dh512_g), NULL, 0); |
| } |
| |
| EVP_PKEY *get_dhx512(OSSL_LIB_CTX *libctx) |
| { |
| static unsigned char dhx512_p[] = { |
| 0x00, |
| 0xe8, |
| 0x1a, |
| 0xb7, |
| 0x9a, |
| 0x02, |
| 0x65, |
| 0x64, |
| 0x94, |
| 0x7b, |
| 0xba, |
| 0x09, |
| 0x1c, |
| 0x12, |
| 0x27, |
| 0x1e, |
| 0xea, |
| 0x89, |
| 0x32, |
| 0x64, |
| 0x78, |
| 0xf8, |
| 0x1c, |
| 0x78, |
| 0x8e, |
| 0x96, |
| 0xc3, |
| 0xc6, |
| 0x9f, |
| 0x41, |
| 0x05, |
| 0x41, |
| 0x65, |
| 0xae, |
| 0xe3, |
| 0x05, |
| 0xea, |
| 0x66, |
| 0x21, |
| 0xf7, |
| 0x38, |
| 0xb7, |
| 0x2b, |
| 0x32, |
| 0x40, |
| 0x5a, |
| 0x14, |
| 0x86, |
| 0x51, |
| 0x94, |
| 0xb1, |
| 0xcf, |
| 0x01, |
| 0xe3, |
| 0x27, |
| 0x28, |
| 0xf6, |
| 0x75, |
| 0xa3, |
| 0x15, |
| 0xbb, |
| 0x12, |
| 0x4d, |
| 0x99, |
| 0xe7, |
| }; |
| static unsigned char dhx512_g[] = { |
| 0x00, |
| 0x91, |
| 0xc1, |
| 0x43, |
| 0x6d, |
| 0x0d, |
| 0xb0, |
| 0xa4, |
| 0xde, |
| 0x41, |
| 0xb7, |
| 0x93, |
| 0xad, |
| 0x51, |
| 0x94, |
| 0x1b, |
| 0x43, |
| 0xd8, |
| 0x42, |
| 0xf1, |
| 0x5e, |
| 0x46, |
| 0x83, |
| 0x5d, |
| 0xf1, |
| 0xd1, |
| 0xf0, |
| 0x41, |
| 0x10, |
| 0xd1, |
| 0x1c, |
| 0x5e, |
| 0xad, |
| 0x9b, |
| 0x68, |
| 0xb1, |
| 0x6f, |
| 0xf5, |
| 0x8e, |
| 0xaa, |
| 0x6d, |
| 0x71, |
| 0x88, |
| 0x37, |
| 0xdf, |
| 0x05, |
| 0xf7, |
| 0x6e, |
| 0x7a, |
| 0xb4, |
| 0x25, |
| 0x10, |
| 0x6c, |
| 0x7f, |
| 0x38, |
| 0xb4, |
| 0xc8, |
| 0xfc, |
| 0xcc, |
| 0x0c, |
| 0x6a, |
| 0x02, |
| 0x08, |
| 0x61, |
| 0xf6, |
| }; |
| static unsigned char dhx512_q[] = { |
| 0x00, |
| 0xdd, |
| 0xf6, |
| 0x35, |
| 0xad, |
| 0xfa, |
| 0x70, |
| 0xc7, |
| 0xe7, |
| 0xa8, |
| 0xf0, |
| 0xe3, |
| 0xda, |
| 0x79, |
| 0x34, |
| 0x3f, |
| 0x5b, |
| 0xcf, |
| 0x73, |
| 0x82, |
| 0x91, |
| }; |
| |
| return get_dh_from_pg(libctx, "X9.42 DH", |
| dhx512_p, sizeof(dhx512_p), |
| dhx512_g, sizeof(dhx512_g), |
| dhx512_q, sizeof(dhx512_q)); |
| } |
| |
| EVP_PKEY *get_dh1024dsa(OSSL_LIB_CTX *libctx) |
| { |
| static unsigned char dh1024_p[] = { |
| 0xC8, |
| 0x00, |
| 0xF7, |
| 0x08, |
| 0x07, |
| 0x89, |
| 0x4D, |
| 0x90, |
| 0x53, |
| 0xF3, |
| 0xD5, |
| 0x00, |
| 0x21, |
| 0x1B, |
| 0xF7, |
| 0x31, |
| 0xA6, |
| 0xA2, |
| 0xDA, |
| 0x23, |
| 0x9A, |
| 0xC7, |
| 0x87, |
| 0x19, |
| 0x3B, |
| 0x47, |
| 0xB6, |
| 0x8C, |
| 0x04, |
| 0x6F, |
| 0xFF, |
| 0xC6, |
| 0x9B, |
| 0xB8, |
| 0x65, |
| 0xD2, |
| 0xC2, |
| 0x5F, |
| 0x31, |
| 0x83, |
| 0x4A, |
| 0xA7, |
| 0x5F, |
| 0x2F, |
| 0x88, |
| 0x38, |
| 0xB6, |
| 0x55, |
| 0xCF, |
| 0xD9, |
| 0x87, |
| 0x6D, |
| 0x6F, |
| 0x9F, |
| 0xDA, |
| 0xAC, |
| 0xA6, |
| 0x48, |
| 0xAF, |
| 0xFC, |
| 0x33, |
| 0x84, |
| 0x37, |
| 0x5B, |
| 0x82, |
| 0x4A, |
| 0x31, |
| 0x5D, |
| 0xE7, |
| 0xBD, |
| 0x52, |
| 0x97, |
| 0xA1, |
| 0x77, |
| 0xBF, |
| 0x10, |
| 0x9E, |
| 0x37, |
| 0xEA, |
| 0x64, |
| 0xFA, |
| 0xCA, |
| 0x28, |
| 0x8D, |
| 0x9D, |
| 0x3B, |
| 0xD2, |
| 0x6E, |
| 0x09, |
| 0x5C, |
| 0x68, |
| 0xC7, |
| 0x45, |
| 0x90, |
| 0xFD, |
| 0xBB, |
| 0x70, |
| 0xC9, |
| 0x3A, |
| 0xBB, |
| 0xDF, |
| 0xD4, |
| 0x21, |
| 0x0F, |
| 0xC4, |
| 0x6A, |
| 0x3C, |
| 0xF6, |
| 0x61, |
| 0xCF, |
| 0x3F, |
| 0xD6, |
| 0x13, |
| 0xF1, |
| 0x5F, |
| 0xBC, |
| 0xCF, |
| 0xBC, |
| 0x26, |
| 0x9E, |
| 0xBC, |
| 0x0B, |
| 0xBD, |
| 0xAB, |
| 0x5D, |
| 0xC9, |
| 0x54, |
| 0x39, |
| }; |
| static unsigned char dh1024_g[] = { |
| 0x3B, |
| 0x40, |
| 0x86, |
| 0xE7, |
| 0xF3, |
| 0x6C, |
| 0xDE, |
| 0x67, |
| 0x1C, |
| 0xCC, |
| 0x80, |
| 0x05, |
| 0x5A, |
| 0xDF, |
| 0xFE, |
| 0xBD, |
| 0x20, |
| 0x27, |
| 0x74, |
| 0x6C, |
| 0x24, |
| 0xC9, |
| 0x03, |
| 0xF3, |
| 0xE1, |
| 0x8D, |
| 0xC3, |
| 0x7D, |
| 0x98, |
| 0x27, |
| 0x40, |
| 0x08, |
| 0xB8, |
| 0x8C, |
| 0x6A, |
| 0xE9, |
| 0xBB, |
| 0x1A, |
| 0x3A, |
| 0xD6, |
| 0x86, |
| 0x83, |
| 0x5E, |
| 0x72, |
| 0x41, |
| 0xCE, |
| 0x85, |
| 0x3C, |
| 0xD2, |
| 0xB3, |
| 0xFC, |
| 0x13, |
| 0xCE, |
| 0x37, |
| 0x81, |
| 0x9E, |
| 0x4C, |
| 0x1C, |
| 0x7B, |
| 0x65, |
| 0xD3, |
| 0xE6, |
| 0xA6, |
| 0x00, |
| 0xF5, |
| 0x5A, |
| 0x95, |
| 0x43, |
| 0x5E, |
| 0x81, |
| 0xCF, |
| 0x60, |
| 0xA2, |
| 0x23, |
| 0xFC, |
| 0x36, |
| 0xA7, |
| 0x5D, |
| 0x7A, |
| 0x4C, |
| 0x06, |
| 0x91, |
| 0x6E, |
| 0xF6, |
| 0x57, |
| 0xEE, |
| 0x36, |
| 0xCB, |
| 0x06, |
| 0xEA, |
| 0xF5, |
| 0x3D, |
| 0x95, |
| 0x49, |
| 0xCB, |
| 0xA7, |
| 0xDD, |
| 0x81, |
| 0xDF, |
| 0x80, |
| 0x09, |
| 0x4A, |
| 0x97, |
| 0x4D, |
| 0xA8, |
| 0x22, |
| 0x72, |
| 0xA1, |
| 0x7F, |
| 0xC4, |
| 0x70, |
| 0x56, |
| 0x70, |
| 0xE8, |
| 0x20, |
| 0x10, |
| 0x18, |
| 0x8F, |
| 0x2E, |
| 0x60, |
| 0x07, |
| 0xE7, |
| 0x68, |
| 0x1A, |
| 0x82, |
| 0x5D, |
| 0x32, |
| 0xA2, |
| }; |
| |
| return get_dh_from_pg(libctx, "DH", dh1024_p, sizeof(dh1024_p), |
| dh1024_g, sizeof(dh1024_g), NULL, 0); |
| } |
| |
| EVP_PKEY *get_dh2048(OSSL_LIB_CTX *libctx) |
| { |
| BIGNUM *p = NULL, *g = NULL; |
| EVP_PKEY *dhpkey = NULL; |
| |
| g = BN_new(); |
| if (g == NULL || !BN_set_word(g, 2)) |
| goto err; |
| |
| p = BN_get_rfc3526_prime_2048(NULL); |
| if (p == NULL) |
| goto err; |
| |
| dhpkey = get_dh_from_pg_bn(libctx, "DH", p, g, NULL); |
| |
| err: |
| BN_free(p); |
| BN_free(g); |
| return dhpkey; |
| } |
| |
| EVP_PKEY *get_dh4096(OSSL_LIB_CTX *libctx) |
| { |
| BIGNUM *p = NULL, *g = NULL; |
| EVP_PKEY *dhpkey = NULL; |
| |
| g = BN_new(); |
| if (g == NULL || !BN_set_word(g, 2)) |
| goto err; |
| |
| p = BN_get_rfc3526_prime_4096(NULL); |
| if (p == NULL) |
| goto err; |
| |
| dhpkey = get_dh_from_pg_bn(libctx, "DH", p, g, NULL); |
| |
| err: |
| BN_free(p); |
| BN_free(g); |
| return dhpkey; |
| } |
| |
| #endif |
