2 /* cc -o ssdemo -I../include selfsign.c ../libcrypto.a */
7 #include <openssl/pem.h>
8 #include <openssl/conf.h>
9 #include <openssl/x509v3.h>
11 int mkit(X509 **x509p, EVP_PKEY **pkeyp, int bits, int serial, int days);
19 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
21 bio_err=BIO_new_fp(stderr, BIO_NOCLOSE);
23 mkit(&x509,&pkey,512,0,365);
25 RSA_print_fp(stdout,pkey->pkey.rsa,0);
26 X509_print_fp(stdout,x509);
28 PEM_write_PrivateKey(stdout,pkey,NULL,NULL,0,NULL, NULL);
29 PEM_write_X509(stdout,x509);
35 /* Only needed if we add objects or custom extensions */
40 CRYPTO_mem_leaks(bio_err);
45 static void callback(p, n, arg)
59 int mkit(x509p,pkeyp,bits,serial,days)
70 X509_NAME_ENTRY *ne=NULL;
71 X509_EXTENSION *ex=NULL;
74 if ((pkeyp == NULL) || (*pkeyp == NULL))
76 if ((pk=EVP_PKEY_new()) == NULL)
85 if ((x509p == NULL) || (*x509p == NULL))
87 if ((x=X509_new()) == NULL)
93 rsa=RSA_generate_key(bits,RSA_F4,callback,NULL);
94 if (!EVP_PKEY_assign_RSA(pk,rsa))
101 X509_set_version(x,3);
102 ASN1_INTEGER_set(X509_get_serialNumber(x),serial);
103 X509_gmtime_adj(X509_get_notBefore(x),0);
104 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
105 X509_set_pubkey(x,pk);
107 name=X509_get_subject_name(x);
109 /* This function creates and adds the entry, working out the
110 * correct string type and performing checks on its length.
111 * Normally we'd check the return value for errors...
113 X509_NAME_add_entry_by_txt(name,"C",
114 MBSTRING_ASC, "UK", -1, -1, 0);
115 X509_NAME_add_entry_by_txt(name,"CN",
116 MBSTRING_ASC, "OpenSSL Group", -1, -1, 0);
118 X509_set_issuer_name(x,name);
120 /* Add extension using V3 code: we can set the config file as NULL
121 * because we wont reference any other sections. We can also set
122 * the context to NULL because none of these extensions below will need
126 ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_cert_type, "server");
127 X509_add_ext(x,ex,-1);
128 X509_EXTENSION_free(ex);
130 ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_comment,
131 "example comment extension");
132 X509_add_ext(x,ex,-1);
133 X509_EXTENSION_free(ex);
135 ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_ssl_server_name,
138 X509_add_ext(x,ex,-1);
139 X509_EXTENSION_free(ex);
142 /* might want something like this too.... */
143 ex = X509V3_EXT_conf_nid(NULL, NULL, NID_basic_constraints,
147 X509_add_ext(x,ex,-1);
148 X509_EXTENSION_free(ex);
152 /* Maybe even add our own extension based on existing */
155 nid = OBJ_create("1.2.3.4", "MyAlias", "My Test Alias Extension");
156 X509V3_EXT_add_alias(nid, NID_netscape_comment);
157 ex = X509V3_EXT_conf_nid(NULL, NULL, nid,
158 "example comment alias");
159 X509_add_ext(x,ex,-1);
160 X509_EXTENSION_free(ex);
164 if (!X509_sign(x,pk,EVP_md5()))