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-rw-r--r--openssl/demos/x509/README3
-rw-r--r--openssl/demos/x509/mkcert.c172
-rw-r--r--openssl/demos/x509/mkreq.c161
3 files changed, 336 insertions, 0 deletions
diff --git a/openssl/demos/x509/README b/openssl/demos/x509/README
new file mode 100644
index 000000000..88f9d6c46
--- /dev/null
+++ b/openssl/demos/x509/README
@@ -0,0 +1,3 @@
+This directory contains examples of how to contruct
+various X509 structures. Certificates, certificate requests
+and CRLs.
diff --git a/openssl/demos/x509/mkcert.c b/openssl/demos/x509/mkcert.c
new file mode 100644
index 000000000..c5e67b8e2
--- /dev/null
+++ b/openssl/demos/x509/mkcert.c
@@ -0,0 +1,172 @@
+/* Certificate creation. Demonstrates some certificate related
+ * operations.
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <openssl/pem.h>
+#include <openssl/conf.h>
+#include <openssl/x509v3.h>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
+
+int mkcert(X509 **x509p, EVP_PKEY **pkeyp, int bits, int serial, int days);
+int add_ext(X509 *cert, int nid, char *value);
+
+int main(int argc, char **argv)
+ {
+ 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);
+
+ mkcert(&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);
+
+#ifndef OPENSSL_NO_ENGINE
+ ENGINE_cleanup();
+#endif
+ CRYPTO_cleanup_all_ex_data();
+
+ CRYPTO_mem_leaks(bio_err);
+ BIO_free(bio_err);
+ return(0);
+ }
+
+static void callback(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 mkcert(X509 **x509p, EVP_PKEY **pkeyp, int bits, int serial, int days)
+ {
+ X509 *x;
+ EVP_PKEY *pk;
+ RSA *rsa;
+ X509_NAME *name=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,2);
+ 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);
+
+ /* Its self signed so set the issuer name to be the same as the
+ * subject.
+ */
+ X509_set_issuer_name(x,name);
+
+ /* Add various extensions: standard extensions */
+ add_ext(x, NID_basic_constraints, "critical,CA:TRUE");
+ add_ext(x, NID_key_usage, "critical,keyCertSign,cRLSign");
+
+ add_ext(x, NID_subject_key_identifier, "hash");
+
+ /* Some Netscape specific extensions */
+ add_ext(x, NID_netscape_cert_type, "sslCA");
+
+ add_ext(x, NID_netscape_comment, "example comment extension");
+
+
+#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);
+ add_ext(x, nid, "example comment alias");
+ }
+#endif
+
+ if (!X509_sign(x,pk,EVP_md5()))
+ goto err;
+
+ *x509p=x;
+ *pkeyp=pk;
+ return(1);
+err:
+ return(0);
+ }
+
+/* Add extension using V3 code: we can set the config file as NULL
+ * because we wont reference any other sections.
+ */
+
+int add_ext(X509 *cert, int nid, char *value)
+ {
+ X509_EXTENSION *ex;
+ X509V3_CTX ctx;
+ /* This sets the 'context' of the extensions. */
+ /* No configuration database */
+ X509V3_set_ctx_nodb(&ctx);
+ /* Issuer and subject certs: both the target since it is self signed,
+ * no request and no CRL
+ */
+ X509V3_set_ctx(&ctx, cert, cert, NULL, NULL, 0);
+ ex = X509V3_EXT_conf_nid(NULL, &ctx, nid, value);
+ if (!ex)
+ return 0;
+
+ X509_add_ext(cert,ex,-1);
+ X509_EXTENSION_free(ex);
+ return 1;
+ }
+
diff --git a/openssl/demos/x509/mkreq.c b/openssl/demos/x509/mkreq.c
new file mode 100644
index 000000000..3dfc65f16
--- /dev/null
+++ b/openssl/demos/x509/mkreq.c
@@ -0,0 +1,161 @@
+/* Certificate request creation. Demonstrates some request related
+ * operations.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <openssl/pem.h>
+#include <openssl/conf.h>
+#include <openssl/x509v3.h>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
+
+int mkreq(X509_REQ **x509p, EVP_PKEY **pkeyp, int bits, int serial, int days);
+int add_ext(STACK_OF(X509_REQUEST) *sk, int nid, char *value);
+
+int main(int argc, char **argv)
+ {
+ BIO *bio_err;
+ X509_REQ *req=NULL;
+ EVP_PKEY *pkey=NULL;
+
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+
+ bio_err=BIO_new_fp(stderr, BIO_NOCLOSE);
+
+ mkreq(&req,&pkey,512,0,365);
+
+ RSA_print_fp(stdout,pkey->pkey.rsa,0);
+ X509_REQ_print_fp(stdout,req);
+
+ PEM_write_X509_REQ(stdout,req);
+
+ X509_REQ_free(req);
+ EVP_PKEY_free(pkey);
+
+#ifndef OPENSSL_NO_ENGINE
+ ENGINE_cleanup();
+#endif
+ CRYPTO_cleanup_all_ex_data();
+
+ CRYPTO_mem_leaks(bio_err);
+ BIO_free(bio_err);
+ return(0);
+ }
+
+static void callback(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 mkreq(X509_REQ **req, EVP_PKEY **pkeyp, int bits, int serial, int days)
+ {
+ X509_REQ *x;
+ EVP_PKEY *pk;
+ RSA *rsa;
+ X509_NAME *name=NULL;
+ STACK_OF(X509_EXTENSION) *exts = NULL;
+
+ if ((pk=EVP_PKEY_new()) == NULL)
+ goto err;
+
+ if ((x=X509_REQ_new()) == NULL)
+ goto err;
+
+ rsa=RSA_generate_key(bits,RSA_F4,callback,NULL);
+ if (!EVP_PKEY_assign_RSA(pk,rsa))
+ goto err;
+
+ rsa=NULL;
+
+ X509_REQ_set_pubkey(x,pk);
+
+ name=X509_REQ_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);
+
+#ifdef REQUEST_EXTENSIONS
+ /* Certificate requests can contain extensions, which can be used
+ * to indicate the extensions the requestor would like added to
+ * their certificate. CAs might ignore them however or even choke
+ * if they are present.
+ */
+
+ /* For request extensions they are all packed in a single attribute.
+ * We save them in a STACK and add them all at once later...
+ */
+
+ exts = sk_X509_EXTENSION_new_null();
+ /* Standard extenions */
+
+ add_ext(exts, NID_key_usage, "critical,digitalSignature,keyEncipherment");
+
+ /* This is a typical use for request extensions: requesting a value for
+ * subject alternative name.
+ */
+
+ add_ext(exts, NID_subject_alt_name, "email:steve@openssl.org");
+
+ /* Some Netscape specific extensions */
+ add_ext(exts, NID_netscape_cert_type, "client,email");
+
+
+
+#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);
+ add_ext(x, nid, "example comment alias");
+ }
+#endif
+
+ /* Now we've created the extensions we add them to the request */
+
+ X509_REQ_add_extensions(x, exts);
+
+ sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
+
+#endif
+
+ if (!X509_REQ_sign(x,pk,EVP_md5()))
+ goto err;
+
+ *req=x;
+ *pkeyp=pk;
+ return(1);
+err:
+ return(0);
+ }
+
+/* Add extension using V3 code: we can set the config file as NULL
+ * because we wont reference any other sections.
+ */
+
+int add_ext(STACK_OF(X509_REQUEST) *sk, int nid, char *value)
+ {
+ X509_EXTENSION *ex;
+ ex = X509V3_EXT_conf_nid(NULL, NULL, nid, value);
+ if (!ex)
+ return 0;
+ sk_X509_EXTENSION_push(sk, ex);
+
+ return 1;
+ }
+
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