1/*- 2 * Copyright 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 <openssl/pem.h> 11#include <openssl/core_names.h> 12 13/* Raw DSA params for P, Q and G */ 14static const unsigned char dsa_p[] = { 15 0xa2, 0x9b, 0x88, 0x72, 0xce, 0x8b, 0x84, 0x23, 16 0xb7, 0xd5, 0xd2, 0x1d, 0x4b, 0x02, 0xf5, 0x7e, 17 0x03, 0xe9, 0xe6, 0xb8, 0xa2, 0x58, 0xdc, 0x16, 18 0x61, 0x1b, 0xa0, 0x98, 0xab, 0x54, 0x34, 0x15, 19 0xe4, 0x15, 0xf1, 0x56, 0x99, 0x7a, 0x3e, 0xe2, 20 0x36, 0x65, 0x8f, 0xa0, 0x93, 0x26, 0x0d, 0xe3, 21 0xad, 0x42, 0x2e, 0x05, 0xe0, 0x46, 0xf9, 0xec, 22 0x29, 0x16, 0x1a, 0x37, 0x5f, 0x0e, 0xb4, 0xef, 23 0xfc, 0xef, 0x58, 0x28, 0x5c, 0x5d, 0x39, 0xed, 24 0x42, 0x5d, 0x7a, 0x62, 0xca, 0x12, 0x89, 0x6c, 25 0x4a, 0x92, 0xcb, 0x19, 0x46, 0xf2, 0x95, 0x2a, 26 0x48, 0x13, 0x3f, 0x07, 0xda, 0x36, 0x4d, 0x1b, 27 0xdf, 0x6b, 0x0f, 0x71, 0x39, 0x98, 0x3e, 0x69, 28 0x3c, 0x80, 0x05, 0x9b, 0x0e, 0xac, 0xd1, 0x47, 29 0x9b, 0xa9, 0xf2, 0x85, 0x77, 0x54, 0xed, 0xe7, 30 0x5f, 0x11, 0x2b, 0x07, 0xeb, 0xbf, 0x35, 0x34, 31 0x8b, 0xbf, 0x3e, 0x01, 0xe0, 0x2f, 0x2d, 0x47, 32 0x3d, 0xe3, 0x94, 0x53, 0xf9, 0x9d, 0xd2, 0x36, 33 0x75, 0x41, 0xca, 0xca, 0x3b, 0xa0, 0x11, 0x66, 34 0x34, 0x3d, 0x7b, 0x5b, 0x58, 0xa3, 0x7b, 0xd1, 35 0xb7, 0x52, 0x1d, 0xb2, 0xf1, 0x3b, 0x86, 0x70, 36 0x71, 0x32, 0xfe, 0x09, 0xf4, 0xcd, 0x09, 0xdc, 37 0x16, 0x18, 0xfa, 0x34, 0x01, 0xeb, 0xf9, 0xcc, 38 0x7b, 0x19, 0xfa, 0x94, 0xaa, 0x47, 0x20, 0x88, 39 0x13, 0x3d, 0x6c, 0xb2, 0xd3, 0x5c, 0x11, 0x79, 40 0xc8, 0xc8, 0xff, 0x36, 0x87, 0x58, 0xd5, 0x07, 41 0xd9, 0xf9, 0xa1, 0x7d, 0x46, 0xc1, 0x10, 0xfe, 42 0x31, 0x44, 0xce, 0x9b, 0x02, 0x2b, 0x42, 0xe4, 43 0x19, 0xeb, 0x4f, 0x53, 0x88, 0x61, 0x3b, 0xfc, 44 0x3e, 0x26, 0x24, 0x1a, 0x43, 0x2e, 0x87, 0x06, 45 0xbc, 0x58, 0xef, 0x76, 0x11, 0x72, 0x78, 0xde, 46 0xab, 0x6c, 0xf6, 0x92, 0x61, 0x82, 0x91, 0xb7 47}; 48 49static const unsigned char dsa_q[] = { 50 0xa3, 0xbf, 0xd9, 0xab, 0x78, 0x84, 0x79, 0x4e, 51 0x38, 0x34, 0x50, 0xd5, 0x89, 0x1d, 0xc1, 0x8b, 52 0x65, 0x15, 0x7b, 0xdc, 0xfc, 0xda, 0xc5, 0x15, 53 0x18, 0x90, 0x28, 0x67 54}; 55 56static const unsigned char dsa_g[] = { 57 0x68, 0x19, 0x27, 0x88, 0x69, 0xc7, 0xfd, 0x3d, 58 0x2d, 0x7b, 0x77, 0xf7, 0x7e, 0x81, 0x50, 0xd9, 59 0xad, 0x43, 0x3b, 0xea, 0x3b, 0xa8, 0x5e, 0xfc, 60 0x80, 0x41, 0x5a, 0xa3, 0x54, 0x5f, 0x78, 0xf7, 61 0x22, 0x96, 0xf0, 0x6c, 0xb1, 0x9c, 0xed, 0xa0, 62 0x6c, 0x94, 0xb0, 0x55, 0x1c, 0xfe, 0x6e, 0x6f, 63 0x86, 0x3e, 0x31, 0xd1, 0xde, 0x6e, 0xed, 0x7d, 64 0xab, 0x8b, 0x0c, 0x9d, 0xf2, 0x31, 0xe0, 0x84, 65 0x34, 0xd1, 0x18, 0x4f, 0x91, 0xd0, 0x33, 0x69, 66 0x6b, 0xb3, 0x82, 0xf8, 0x45, 0x5e, 0x98, 0x88, 67 0xf5, 0xd3, 0x1d, 0x47, 0x84, 0xec, 0x40, 0x12, 68 0x02, 0x46, 0xf4, 0xbe, 0xa6, 0x17, 0x94, 0xbb, 69 0xa5, 0x86, 0x6f, 0x09, 0x74, 0x64, 0x63, 0xbd, 70 0xf8, 0xe9, 0xe1, 0x08, 0xcd, 0x95, 0x29, 0xc3, 71 0xd0, 0xf6, 0xdf, 0x80, 0x31, 0x6e, 0x2e, 0x70, 72 0xaa, 0xeb, 0x1b, 0x26, 0xcd, 0xb8, 0xad, 0x97, 73 0xbc, 0x3d, 0x28, 0x7e, 0x0b, 0x8d, 0x61, 0x6c, 74 0x42, 0xe6, 0x5b, 0x87, 0xdb, 0x20, 0xde, 0xb7, 75 0x00, 0x5b, 0xc4, 0x16, 0x74, 0x7a, 0x64, 0x70, 76 0x14, 0x7a, 0x68, 0xa7, 0x82, 0x03, 0x88, 0xeb, 77 0xf4, 0x4d, 0x52, 0xe0, 0x62, 0x8a, 0xf9, 0xcf, 78 0x1b, 0x71, 0x66, 0xd0, 0x34, 0x65, 0xf3, 0x5a, 79 0xcc, 0x31, 0xb6, 0x11, 0x0c, 0x43, 0xda, 0xbc, 80 0x7c, 0x5d, 0x59, 0x1e, 0x67, 0x1e, 0xaf, 0x7c, 81 0x25, 0x2c, 0x1c, 0x14, 0x53, 0x36, 0xa1, 0xa4, 82 0xdd, 0xf1, 0x32, 0x44, 0xd5, 0x5e, 0x83, 0x56, 83 0x80, 0xca, 0xb2, 0x53, 0x3b, 0x82, 0xdf, 0x2e, 84 0xfe, 0x55, 0xec, 0x18, 0xc1, 0xe6, 0xcd, 0x00, 85 0x7b, 0xb0, 0x89, 0x75, 0x8b, 0xb1, 0x7c, 0x2c, 86 0xbe, 0x14, 0x44, 0x1b, 0xd0, 0x93, 0xae, 0x66, 87 0xe5, 0x97, 0x6d, 0x53, 0x73, 0x3f, 0x4f, 0xa3, 88 0x26, 0x97, 0x01, 0xd3, 0x1d, 0x23, 0xd4, 0x67 89}; 90 91/* Helper function to retrieve and print a key BIGNUM field */ 92static void print_bn(BIO *bio, const EVP_PKEY *pkey, const char *name) 93{ 94 BIGNUM *bn = NULL; 95 96 if (EVP_PKEY_get_bn_param(pkey, name, &bn) == 0) 97 return; 98 99 BIO_printf(bio, " %s = 0x", name); 100 BN_print(bio, bn); 101 BIO_printf(bio, "\n"); 102 BN_clear_free(bn); 103} 104 105/* 106 * Print DSA key info 107 * 108 * This method shows how to extract DSA data from an EVP_PKEY. 109 * There are simpler ways to print using EVP_PKEY_print_XXXX(). 110 */ 111static int dsa_print_key(const EVP_PKEY *pkey, int keypair, 112 OSSL_LIB_CTX *libctx, const char *propq) 113{ 114 115 int rv = 0, gindex, counter; 116 BIO *bio = BIO_new_fp(stdout, BIO_NOCLOSE); 117 unsigned char seed[2048]; 118 size_t seedlen; 119 120 if (bio == NULL) 121 return 0; 122 123 /* Output hexadecimal representations of the BIGNUM objects. */ 124 BIO_printf(bio, "\nPublic values:\n"); 125 print_bn(bio, pkey, OSSL_PKEY_PARAM_FFC_P); 126 print_bn(bio, pkey, OSSL_PKEY_PARAM_FFC_Q); 127 print_bn(bio, pkey, OSSL_PKEY_PARAM_FFC_G); 128 129 if (EVP_PKEY_get_octet_string_param(pkey, OSSL_PKEY_PARAM_FFC_SEED, seed, 130 sizeof(seed), &seedlen) > 0) { 131 BIO_printf(bio, " %s\n", OSSL_PKEY_PARAM_FFC_SEED); 132 BIO_dump(bio, seed, seedlen); 133 } 134 if (EVP_PKEY_get_int_param(pkey, OSSL_PKEY_PARAM_FFC_GINDEX, &gindex) > 0) { 135 if (gindex != -1) 136 BIO_printf(bio, " %s = %d\n", OSSL_PKEY_PARAM_FFC_GINDEX, gindex); 137 } 138 if (EVP_PKEY_get_int_param(pkey, OSSL_PKEY_PARAM_FFC_PCOUNTER, &counter) > 0) { 139 if (counter != -1) 140 BIO_printf(bio, " %s = %d\n", OSSL_PKEY_PARAM_FFC_PCOUNTER, counter); 141 } 142 143 if (keypair) { 144 fprintf(stdout, "\nPrivate value:\n"); 145 print_bn(bio, pkey, OSSL_PKEY_PARAM_PRIV_KEY); 146 147 /* Output a PEM encoding of the public key. */ 148 if (PEM_write_bio_PUBKEY_ex(bio, pkey, libctx, propq) == 0) { 149 fprintf(stderr, "Failed to output PEM-encoded public key\n"); 150 goto cleanup; 151 } 152 153 /* 154 * Output a PEM encoding of the private key. Please note that this output is 155 * not encrypted. You may wish to use the arguments to specify encryption of 156 * the key if you are storing it on disk. See PEM_write_bio_PrivateKey_ex(3). 157 */ 158 if (PEM_write_bio_PrivateKey_ex(bio, pkey, NULL, NULL, 0, NULL, NULL, libctx, propq) == 0) { 159 fprintf(stderr, "Failed to output PEM-encoded private key\n"); 160 goto cleanup; 161 } 162 } else { 163 if (PEM_write_bio_Parameters(bio, pkey) == 0) { 164 fprintf(stderr, "Failed to output PEM-encoded params\n"); 165 goto cleanup; 166 } 167 } 168 rv = 1; 169cleanup: 170 BIO_free(bio); 171 return rv; 172} 173