mirror of
https://github.com/guanzhi/GmSSL.git
synced 2026-05-27 10:46:27 +08:00
121 lines
2.6 KiB
C
121 lines
2.6 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <openssl/pem.h>
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#include <openssl/conf.h>
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#include <openssl/x509v3.h>
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int mkit(X509 **x509p, EVP_PKEY **pkeyp, int bits, int serial, int days);
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int main()
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{
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BIO *bio_err;
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X509 *x509 = NULL;
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EVP_PKEY *pkey = NULL;
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CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
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bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
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mkit(&x509, &pkey, 512, 0, 365);
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EC_KEY_print_fp(stdout, pkey->pkey.ec, 0);
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X509_print_fp(stdout, x509);
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PEM_write_PrivateKey(stdout, pkey, NULL, NULL, 0, NULL, NULL);
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PEM_write_X509(stdout, x509);
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X509_free(x509);
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EVP_PKEY_free(pkey);
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CRYPTO_mem_leaks(bio_err);
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BIO_free(bio_err);
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return (0);
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}
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int mkit(X509 **x509p, EVP_PKEY **pkeyp, int bits, int serial, int days)
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{
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X509 *x;
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EVP_PKEY *pk;
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EC_KEY *ec_key;
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X509_NAME *name = NULL;
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X509_NAME_ENTRY *ne = NULL;
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X509_EXTENSION *ex = NULL;
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if ((pkeyp == NULL) || (*pkeyp == NULL)) {
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if ((pk = EVP_PKEY_new()) == NULL) {
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abort();
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return (0);
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}
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} else
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pk = *pkeyp;
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if ((x509p == NULL) || (*x509p == NULL)) {
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if ((x = X509_new()) == NULL)
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goto err;
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} else {
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x = *x509p;
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}
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ec_key = EC_KEY_new_by_curve_name(NID_sm2p256v1);
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EC_KEY_generate_key(ec_key);
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if (!EVP_PKEY_assign_EC_KEY(pk, ec_key)) {
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abort();
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goto err;
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}
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ec_key = NULL;
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X509_set_version(x, 3);
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ASN1_INTEGER_set(X509_get_serialNumber(x), serial);
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X509_gmtime_adj(X509_get_notBefore(x), 0);
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X509_gmtime_adj(X509_get_notAfter(x), (long)60 * 60 * 24 * days);
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X509_set_pubkey(x, pk);
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name = X509_get_subject_name(x);
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/*
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* This function creates and adds the entry, working out the correct
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* string type and performing checks on its length. Normally we'd check
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* the return value for errors...
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*/
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X509_NAME_add_entry_by_txt(name, "C", MBSTRING_ASC, "UK", -1, -1, 0);
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X509_NAME_add_entry_by_txt(name, "CN",
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MBSTRING_ASC, "OpenSSL Group", -1, -1, 0);
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X509_set_issuer_name(x, name);
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/*
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* Add extension using V3 code: we can set the config file as NULL
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* because we wont reference any other sections. We can also set the
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* context to NULL because none of these extensions below will need to
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* access it.
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*/
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ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_cert_type, "server");
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X509_add_ext(x, ex, -1);
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X509_EXTENSION_free(ex);
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ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_comment,
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"example comment extension");
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X509_add_ext(x, ex, -1);
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X509_EXTENSION_free(ex);
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ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_ssl_server_name,
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"www.openssl.org");
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X509_add_ext(x, ex, -1);
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X509_EXTENSION_free(ex);
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if (!X509_sign(x, pk, EVP_sm3()))
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goto err;
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*x509p = x;
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*pkeyp = pk;
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return (1);
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err:
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return (0);
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}
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