1 /* NOCW */
2 /* cc -o ssdemo -I../include selfsign.c ../libcrypto.a */
3
4 #include <stdio.h>
5 #include <stdlib.h>
6
7 #include <openssl/pem.h>
8 #include <openssl/conf.h>
9 #include <openssl/x509v3.h>
10
11 int mkit(X509 **x509p, EVP_PKEY **pkeyp, int bits, int serial, int days);
12
main()13 int main()
14 {
15 BIO *bio_err;
16 X509 *x509 = NULL;
17 EVP_PKEY *pkey = NULL;
18
19 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
20
21 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
22
23 mkit(&x509, &pkey, 512, 0, 365);
24
25 RSA_print_fp(stdout, pkey->pkey.rsa, 0);
26 X509_print_fp(stdout, x509);
27
28 PEM_write_PrivateKey(stdout, pkey, NULL, NULL, 0, NULL, NULL);
29 PEM_write_X509(stdout, x509);
30
31 X509_free(x509);
32 EVP_PKEY_free(pkey);
33
34 #ifdef CUSTOM_EXT
35 /* Only needed if we add objects or custom extensions */
36 X509V3_EXT_cleanup();
37 OBJ_cleanup();
38 #endif
39
40 CRYPTO_mem_leaks(bio_err);
41 BIO_free(bio_err);
42 return (0);
43 }
44
45 #ifdef WIN16
46 # define MS_CALLBACK _far _loadds
47 # define MS_FAR _far
48 #else
49 # define MS_CALLBACK
50 # define MS_FAR
51 #endif
52
callback(p,n,arg)53 static void MS_CALLBACK callback(p, n, arg)
54 int p;
55 int n;
56 void *arg;
57 {
58 char c = 'B';
59
60 if (p == 0)
61 c = '.';
62 if (p == 1)
63 c = '+';
64 if (p == 2)
65 c = '*';
66 if (p == 3)
67 c = '\n';
68 fputc(c, stderr);
69 }
70
mkit(x509p,pkeyp,bits,serial,days)71 int mkit(x509p, pkeyp, bits, serial, days)
72 X509 **x509p;
73 EVP_PKEY **pkeyp;
74 int bits;
75 int serial;
76 int days;
77 {
78 X509 *x;
79 EVP_PKEY *pk;
80 RSA *rsa;
81 X509_NAME *name = NULL;
82 X509_NAME_ENTRY *ne = NULL;
83 X509_EXTENSION *ex = NULL;
84
85 if ((pkeyp == NULL) || (*pkeyp == NULL)) {
86 if ((pk = EVP_PKEY_new()) == NULL) {
87 abort();
88 return (0);
89 }
90 } else
91 pk = *pkeyp;
92
93 if ((x509p == NULL) || (*x509p == NULL)) {
94 if ((x = X509_new()) == NULL)
95 goto err;
96 } else
97 x = *x509p;
98
99 rsa = RSA_generate_key(bits, RSA_F4, callback, NULL);
100 if (!EVP_PKEY_assign_RSA(pk, rsa)) {
101 abort();
102 goto err;
103 }
104 rsa = NULL;
105
106 X509_set_version(x, 3);
107 ASN1_INTEGER_set(X509_get_serialNumber(x), serial);
108 X509_gmtime_adj(X509_get_notBefore(x), 0);
109 X509_gmtime_adj(X509_get_notAfter(x), (long)60 * 60 * 24 * days);
110 X509_set_pubkey(x, pk);
111
112 name = X509_get_subject_name(x);
113
114 /*
115 * This function creates and adds the entry, working out the correct
116 * string type and performing checks on its length. Normally we'd check
117 * the return value for errors...
118 */
119 X509_NAME_add_entry_by_txt(name, "C", MBSTRING_ASC, "UK", -1, -1, 0);
120 X509_NAME_add_entry_by_txt(name, "CN",
121 MBSTRING_ASC, "OpenSSL Group", -1, -1, 0);
122
123 X509_set_issuer_name(x, name);
124
125 /*
126 * Add extension using V3 code: we can set the config file as NULL
127 * because we wont reference any other sections. We can also set the
128 * context to NULL because none of these extensions below will need to
129 * access it.
130 */
131
132 ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_cert_type, "server");
133 X509_add_ext(x, ex, -1);
134 X509_EXTENSION_free(ex);
135
136 ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_comment,
137 "example comment extension");
138 X509_add_ext(x, ex, -1);
139 X509_EXTENSION_free(ex);
140
141 ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_ssl_server_name,
142 "www.openssl.org");
143
144 X509_add_ext(x, ex, -1);
145 X509_EXTENSION_free(ex);
146
147 #if 0
148 /* might want something like this too.... */
149 ex = X509V3_EXT_conf_nid(NULL, NULL, NID_basic_constraints,
150 "critical,CA:TRUE");
151
152 X509_add_ext(x, ex, -1);
153 X509_EXTENSION_free(ex);
154 #endif
155
156 #ifdef CUSTOM_EXT
157 /* Maybe even add our own extension based on existing */
158 {
159 int nid;
160 nid = OBJ_create("1.2.3.4", "MyAlias", "My Test Alias Extension");
161 X509V3_EXT_add_alias(nid, NID_netscape_comment);
162 ex = X509V3_EXT_conf_nid(NULL, NULL, nid, "example comment alias");
163 X509_add_ext(x, ex, -1);
164 X509_EXTENSION_free(ex);
165 }
166 #endif
167
168 if (!X509_sign(x, pk, EVP_md5()))
169 goto err;
170
171 *x509p = x;
172 *pkeyp = pk;
173 return (1);
174 err:
175 return (0);
176 }
177