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/* NOCW */
/* cc -o ssdemo -I../include selfsign.c ../libcrypto.a */
#include <stdio.h>
#include <stdlib.h>
#include <openssl/buffer.h>
#include <openssl/crypto.h>
#include <openssl/objects.h>
#include <openssl/asn1.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/pem.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);
X509v3_add_netscape_extensions();
if ((bio_err=BIO_new(BIO_s_file())) != NULL)
BIO_set_fp(bio_err,stderr,BIO_NOCLOSE);
mkit(&x509,&pkey,512,0,365);
RSA_print_fp(stdout,pkey->pkey.rsa,0);
X509_print_fp(stdout,x509);
PEM_write_RSAPrivateKey(stdout,pkey->pkey.rsa,NULL,NULL,0,NULL);
PEM_write_X509(stdout,x509);
X509_free(x509);
EVP_PKEY_free(pkey);
BIO_free(bio_err);
X509_cleanup_extensions();
CRYPTO_mem_leaks(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)
int p;
int n;
{
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;
char *s;
X509_NAME *name=NULL;
X509_NAME_ENTRY *ne=NULL;
X509_EXTENSION *ex=NULL;
ASN1_OCTET_STRING *data=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_NAME_new();
ne=X509_NAME_ENTRY_create_by_NID(NULL,NID_countryName,
V_ASN1_APP_CHOOSE,"AU",-1);
X509_NAME_add_entry(name,ne,0,0);
X509_NAME_ENTRY_create_by_NID(&ne,NID_commonName,
V_ASN1_APP_CHOOSE,"Eric Young",-1);
X509_NAME_add_entry(name,ne,1,0);
/* finished with structure */
X509_NAME_ENTRY_free(ne);
X509_set_subject_name(x,name);
X509_set_issuer_name(x,name);
/* finished with structure */
X509_NAME_free(name);
data=X509v3_pack_string(NULL,V_ASN1_BIT_STRING,
"\001",1);
ex=X509_EXTENSION_create_by_NID(NULL,NID_netscape_cert_type,0,data);
X509_add_ext(x,ex,-1);
X509v3_pack_string(&data,V_ASN1_IA5STRING,
"example comment extension",-1);
X509_EXTENSION_create_by_NID(&ex,NID_netscape_comment,0,data);
X509_add_ext(x,ex,-1);
X509v3_pack_string(&data,V_ASN1_BIT_STRING,
"www.cryptsoft.com",-1);
X509_EXTENSION_create_by_NID(&ex,NID_netscape_ssl_server_name,0,data);
X509_add_ext(x,ex,-1);
X509_EXTENSION_free(ex);
ASN1_OCTET_STRING_free(data);
if (!X509_sign(x,pk,EVP_md5()))
goto err;
*x509p=x;
*pkeyp=pk;
return(1);
err:
return(0);
}
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