/* NOCW */ /* cc -o ssdemo -I../include selfsign.c ../libcrypto.a */ #include #include #include #include #include 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); } static void 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); }