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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/demos/selfsign.c
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Diffstat (limited to 'openssl/demos/selfsign.c')
-rw-r--r--openssl/demos/selfsign.c180
1 files changed, 180 insertions, 0 deletions
diff --git a/openssl/demos/selfsign.c b/openssl/demos/selfsign.c
new file mode 100644
index 000000000..68904c611
--- /dev/null
+++ b/openssl/demos/selfsign.c
@@ -0,0 +1,180 @@
+/* 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);
+ }