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OpenBoard/thirdparty/openssl/openssl-1.0.0d/demos/selfsign.c

181 lines
3.6 KiB

/* NOCW */
/* cc -o ssdemo -I../include selfsign.c ../libcrypto.a */
#include <stdio.h>
#include <stdlib.h>
#include <openssl/pem.h>
#include <openssl/conf.h>
#include <openssl/x509v3.h>
int mkit(X509 **x509p, EVP_PKEY **pkeyp, int bits, int serial, int days);
int main()
{
BIO *bio_err;
X509 *x509=NULL;
EVP_PKEY *pkey=NULL;
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
bio_err=BIO_new_fp(stderr, BIO_NOCLOSE);
mkit(&x509,&pkey,512,0,365);
RSA_print_fp(stdout,pkey->pkey.rsa,0);
X509_print_fp(stdout,x509);
PEM_write_PrivateKey(stdout,pkey,NULL,NULL,0,NULL, NULL);
PEM_write_X509(stdout,x509);
X509_free(x509);
EVP_PKEY_free(pkey);
#ifdef CUSTOM_EXT
/* Only needed if we add objects or custom extensions */
X509V3_EXT_cleanup();
OBJ_cleanup();
#endif
CRYPTO_mem_leaks(bio_err);
BIO_free(bio_err);
return(0);
}
#ifdef WIN16
# define MS_CALLBACK _far _loadds
# define MS_FAR _far
#else
# define MS_CALLBACK
# define MS_FAR
#endif
static void MS_CALLBACK callback(p, n, arg)
int p;
int n;
void *arg;
{
char c='B';
if (p == 0) c='.';
if (p == 1) c='+';
if (p == 2) c='*';
if (p == 3) c='\n';
fputc(c,stderr);
}
int mkit(x509p,pkeyp,bits,serial,days)
X509 **x509p;
EVP_PKEY **pkeyp;
int bits;
int serial;
int days;
{
X509 *x;
EVP_PKEY *pk;
RSA *rsa;
X509_NAME *name=NULL;
X509_NAME_ENTRY *ne=NULL;
X509_EXTENSION *ex=NULL;
if ((pkeyp == NULL) || (*pkeyp == NULL))
{
if ((pk=EVP_PKEY_new()) == NULL)
{
abort();
return(0);
}
}
else
pk= *pkeyp;
if ((x509p == NULL) || (*x509p == NULL))
{
if ((x=X509_new()) == NULL)
goto err;
}
else
x= *x509p;
rsa=RSA_generate_key(bits,RSA_F4,callback,NULL);
if (!EVP_PKEY_assign_RSA(pk,rsa))
{
abort();
goto err;
}
rsa=NULL;
X509_set_version(x,3);
ASN1_INTEGER_set(X509_get_serialNumber(x),serial);
X509_gmtime_adj(X509_get_notBefore(x),0);
X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
X509_set_pubkey(x,pk);
name=X509_get_subject_name(x);
/* This function creates and adds the entry, working out the
* correct string type and performing checks on its length.
* Normally we'd check the return value for errors...
*/
X509_NAME_add_entry_by_txt(name,"C",
MBSTRING_ASC, "UK", -1, -1, 0);
X509_NAME_add_entry_by_txt(name,"CN",
MBSTRING_ASC, "OpenSSL Group", -1, -1, 0);
X509_set_issuer_name(x,name);
/* Add extension using V3 code: we can set the config file as NULL
* because we wont reference any other sections. We can also set
* the context to NULL because none of these extensions below will need
* to access it.
*/
ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_cert_type, "server");
X509_add_ext(x,ex,-1);
X509_EXTENSION_free(ex);
ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_comment,
"example comment extension");
X509_add_ext(x,ex,-1);
X509_EXTENSION_free(ex);
ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_ssl_server_name,
"www.openssl.org");
X509_add_ext(x,ex,-1);
X509_EXTENSION_free(ex);
#if 0
/* might want something like this too.... */
ex = X509V3_EXT_conf_nid(NULL, NULL, NID_basic_constraints,
"critical,CA:TRUE");
X509_add_ext(x,ex,-1);
X509_EXTENSION_free(ex);
#endif
#ifdef CUSTOM_EXT
/* Maybe even add our own extension based on existing */
{
int nid;
nid = OBJ_create("1.2.3.4", "MyAlias", "My Test Alias Extension");
X509V3_EXT_add_alias(nid, NID_netscape_comment);
ex = X509V3_EXT_conf_nid(NULL, NULL, nid,
"example comment alias");
X509_add_ext(x,ex,-1);
X509_EXTENSION_free(ex);
}
#endif
if (!X509_sign(x,pk,EVP_md5()))
goto err;
*x509p=x;
*pkeyp=pk;
return(1);
err:
return(0);
}