| /* |
| * Copyright 1995-2021 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, plen, NULL); |
| g = BN_bin2bn(gdata, glen, NULL); |
| if (p == NULL || g == NULL) |
| goto err; |
| if (qdata != NULL && (q = BN_bin2bn(qdata, 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 |
