diff options
Diffstat (limited to 'demos/pkey/dsa.inc')
-rw-r--r-- | demos/pkey/dsa.inc | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/demos/pkey/dsa.inc b/demos/pkey/dsa.inc new file mode 100644 index 000000000000..82c65057eb2a --- /dev/null +++ b/demos/pkey/dsa.inc @@ -0,0 +1,172 @@ +/*- + * Copyright 2022 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/pem.h> +#include <openssl/core_names.h> + +/* Raw DSA params for P, Q and G */ +static const unsigned char dsa_p[] = { + 0xa2, 0x9b, 0x88, 0x72, 0xce, 0x8b, 0x84, 0x23, + 0xb7, 0xd5, 0xd2, 0x1d, 0x4b, 0x02, 0xf5, 0x7e, + 0x03, 0xe9, 0xe6, 0xb8, 0xa2, 0x58, 0xdc, 0x16, + 0x61, 0x1b, 0xa0, 0x98, 0xab, 0x54, 0x34, 0x15, + 0xe4, 0x15, 0xf1, 0x56, 0x99, 0x7a, 0x3e, 0xe2, + 0x36, 0x65, 0x8f, 0xa0, 0x93, 0x26, 0x0d, 0xe3, + 0xad, 0x42, 0x2e, 0x05, 0xe0, 0x46, 0xf9, 0xec, + 0x29, 0x16, 0x1a, 0x37, 0x5f, 0x0e, 0xb4, 0xef, + 0xfc, 0xef, 0x58, 0x28, 0x5c, 0x5d, 0x39, 0xed, + 0x42, 0x5d, 0x7a, 0x62, 0xca, 0x12, 0x89, 0x6c, + 0x4a, 0x92, 0xcb, 0x19, 0x46, 0xf2, 0x95, 0x2a, + 0x48, 0x13, 0x3f, 0x07, 0xda, 0x36, 0x4d, 0x1b, + 0xdf, 0x6b, 0x0f, 0x71, 0x39, 0x98, 0x3e, 0x69, + 0x3c, 0x80, 0x05, 0x9b, 0x0e, 0xac, 0xd1, 0x47, + 0x9b, 0xa9, 0xf2, 0x85, 0x77, 0x54, 0xed, 0xe7, + 0x5f, 0x11, 0x2b, 0x07, 0xeb, 0xbf, 0x35, 0x34, + 0x8b, 0xbf, 0x3e, 0x01, 0xe0, 0x2f, 0x2d, 0x47, + 0x3d, 0xe3, 0x94, 0x53, 0xf9, 0x9d, 0xd2, 0x36, + 0x75, 0x41, 0xca, 0xca, 0x3b, 0xa0, 0x11, 0x66, + 0x34, 0x3d, 0x7b, 0x5b, 0x58, 0xa3, 0x7b, 0xd1, + 0xb7, 0x52, 0x1d, 0xb2, 0xf1, 0x3b, 0x86, 0x70, + 0x71, 0x32, 0xfe, 0x09, 0xf4, 0xcd, 0x09, 0xdc, + 0x16, 0x18, 0xfa, 0x34, 0x01, 0xeb, 0xf9, 0xcc, + 0x7b, 0x19, 0xfa, 0x94, 0xaa, 0x47, 0x20, 0x88, + 0x13, 0x3d, 0x6c, 0xb2, 0xd3, 0x5c, 0x11, 0x79, + 0xc8, 0xc8, 0xff, 0x36, 0x87, 0x58, 0xd5, 0x07, + 0xd9, 0xf9, 0xa1, 0x7d, 0x46, 0xc1, 0x10, 0xfe, + 0x31, 0x44, 0xce, 0x9b, 0x02, 0x2b, 0x42, 0xe4, + 0x19, 0xeb, 0x4f, 0x53, 0x88, 0x61, 0x3b, 0xfc, + 0x3e, 0x26, 0x24, 0x1a, 0x43, 0x2e, 0x87, 0x06, + 0xbc, 0x58, 0xef, 0x76, 0x11, 0x72, 0x78, 0xde, + 0xab, 0x6c, 0xf6, 0x92, 0x61, 0x82, 0x91, 0xb7 +}; + +static const unsigned char dsa_q[] = { + 0xa3, 0xbf, 0xd9, 0xab, 0x78, 0x84, 0x79, 0x4e, + 0x38, 0x34, 0x50, 0xd5, 0x89, 0x1d, 0xc1, 0x8b, + 0x65, 0x15, 0x7b, 0xdc, 0xfc, 0xda, 0xc5, 0x15, + 0x18, 0x90, 0x28, 0x67 +}; + +static const unsigned char dsa_g[] = { + 0x68, 0x19, 0x27, 0x88, 0x69, 0xc7, 0xfd, 0x3d, + 0x2d, 0x7b, 0x77, 0xf7, 0x7e, 0x81, 0x50, 0xd9, + 0xad, 0x43, 0x3b, 0xea, 0x3b, 0xa8, 0x5e, 0xfc, + 0x80, 0x41, 0x5a, 0xa3, 0x54, 0x5f, 0x78, 0xf7, + 0x22, 0x96, 0xf0, 0x6c, 0xb1, 0x9c, 0xed, 0xa0, + 0x6c, 0x94, 0xb0, 0x55, 0x1c, 0xfe, 0x6e, 0x6f, + 0x86, 0x3e, 0x31, 0xd1, 0xde, 0x6e, 0xed, 0x7d, + 0xab, 0x8b, 0x0c, 0x9d, 0xf2, 0x31, 0xe0, 0x84, + 0x34, 0xd1, 0x18, 0x4f, 0x91, 0xd0, 0x33, 0x69, + 0x6b, 0xb3, 0x82, 0xf8, 0x45, 0x5e, 0x98, 0x88, + 0xf5, 0xd3, 0x1d, 0x47, 0x84, 0xec, 0x40, 0x12, + 0x02, 0x46, 0xf4, 0xbe, 0xa6, 0x17, 0x94, 0xbb, + 0xa5, 0x86, 0x6f, 0x09, 0x74, 0x64, 0x63, 0xbd, + 0xf8, 0xe9, 0xe1, 0x08, 0xcd, 0x95, 0x29, 0xc3, + 0xd0, 0xf6, 0xdf, 0x80, 0x31, 0x6e, 0x2e, 0x70, + 0xaa, 0xeb, 0x1b, 0x26, 0xcd, 0xb8, 0xad, 0x97, + 0xbc, 0x3d, 0x28, 0x7e, 0x0b, 0x8d, 0x61, 0x6c, + 0x42, 0xe6, 0x5b, 0x87, 0xdb, 0x20, 0xde, 0xb7, + 0x00, 0x5b, 0xc4, 0x16, 0x74, 0x7a, 0x64, 0x70, + 0x14, 0x7a, 0x68, 0xa7, 0x82, 0x03, 0x88, 0xeb, + 0xf4, 0x4d, 0x52, 0xe0, 0x62, 0x8a, 0xf9, 0xcf, + 0x1b, 0x71, 0x66, 0xd0, 0x34, 0x65, 0xf3, 0x5a, + 0xcc, 0x31, 0xb6, 0x11, 0x0c, 0x43, 0xda, 0xbc, + 0x7c, 0x5d, 0x59, 0x1e, 0x67, 0x1e, 0xaf, 0x7c, + 0x25, 0x2c, 0x1c, 0x14, 0x53, 0x36, 0xa1, 0xa4, + 0xdd, 0xf1, 0x32, 0x44, 0xd5, 0x5e, 0x83, 0x56, + 0x80, 0xca, 0xb2, 0x53, 0x3b, 0x82, 0xdf, 0x2e, + 0xfe, 0x55, 0xec, 0x18, 0xc1, 0xe6, 0xcd, 0x00, + 0x7b, 0xb0, 0x89, 0x75, 0x8b, 0xb1, 0x7c, 0x2c, + 0xbe, 0x14, 0x44, 0x1b, 0xd0, 0x93, 0xae, 0x66, + 0xe5, 0x97, 0x6d, 0x53, 0x73, 0x3f, 0x4f, 0xa3, + 0x26, 0x97, 0x01, 0xd3, 0x1d, 0x23, 0xd4, 0x67 +}; + +/* Helper function to retrieve and print a key BIGNUM field */ +static void print_bn(BIO *bio, const EVP_PKEY *pkey, const char *name) +{ + BIGNUM *bn = NULL; + + if (EVP_PKEY_get_bn_param(pkey, name, &bn) == 0) + return; + + BIO_printf(bio, " %s = 0x", name); + BN_print(bio, bn); + BIO_printf(bio, "\n"); + BN_clear_free(bn); +} + +/* + * Print DSA key info + * + * This method shows how to extract DSA data from an EVP_PKEY. + * There are simpler ways to print using EVP_PKEY_print_XXXX(). + */ +static int dsa_print_key(const EVP_PKEY *pkey, int keypair, + OSSL_LIB_CTX *libctx, const char *propq) +{ + + int rv = 0, gindex, counter; + BIO *bio = BIO_new_fp(stdout, BIO_NOCLOSE); + unsigned char seed[2048]; + size_t seedlen; + + if (bio == NULL) + return 0; + + /* Output hexadecimal representations of the BIGNUM objects. */ + BIO_printf(bio, "\nPublic values:\n"); + print_bn(bio, pkey, OSSL_PKEY_PARAM_FFC_P); + print_bn(bio, pkey, OSSL_PKEY_PARAM_FFC_Q); + print_bn(bio, pkey, OSSL_PKEY_PARAM_FFC_G); + + if (EVP_PKEY_get_octet_string_param(pkey, OSSL_PKEY_PARAM_FFC_SEED, seed, + sizeof(seed), &seedlen) > 0) { + BIO_printf(bio, " %s\n", OSSL_PKEY_PARAM_FFC_SEED); + BIO_dump(bio, seed, seedlen); + } + if (EVP_PKEY_get_int_param(pkey, OSSL_PKEY_PARAM_FFC_GINDEX, &gindex) > 0) { + if (gindex != -1) + BIO_printf(bio, " %s = %d\n", OSSL_PKEY_PARAM_FFC_GINDEX, gindex); + } + if (EVP_PKEY_get_int_param(pkey, OSSL_PKEY_PARAM_FFC_PCOUNTER, &counter) > 0) { + if (counter != -1) + BIO_printf(bio, " %s = %d\n", OSSL_PKEY_PARAM_FFC_PCOUNTER, counter); + } + + if (keypair) { + fprintf(stdout, "\nPrivate value:\n"); + print_bn(bio, pkey, OSSL_PKEY_PARAM_PRIV_KEY); + + /* Output a PEM encoding of the public key. */ + if (PEM_write_bio_PUBKEY_ex(bio, pkey, libctx, propq) == 0) { + fprintf(stderr, "Failed to output PEM-encoded public key\n"); + goto cleanup; + } + + /* + * Output a PEM encoding of the private key. Please note that this output is + * not encrypted. You may wish to use the arguments to specify encryption of + * the key if you are storing it on disk. See PEM_write_bio_PrivateKey_ex(3). + */ + if (PEM_write_bio_PrivateKey_ex(bio, pkey, NULL, NULL, 0, NULL, NULL, libctx, propq) == 0) { + fprintf(stderr, "Failed to output PEM-encoded private key\n"); + goto cleanup; + } + } else { + if (PEM_write_bio_Parameters(bio, pkey) == 0) { + fprintf(stderr, "Failed to output PEM-encoded params\n"); + goto cleanup; + } + } + rv = 1; +cleanup: + BIO_free(bio); + return rv; +} |