1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
/* 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);
X509V3_add_standard_extensions();
if ((bio_err=BIO_new(BIO_s_file())) != NULL)
BIO_set_fp(bio_err,stderr,BIO_NOCLOSE);
mkit(&x509,&pkey,512,0,365);
RSA_print_fp(stdout,pkey->pkey.rsa,0);
X509_print_fp(stdout,x509);
PEM_write_RSAPrivateKey(stdout,pkey->pkey.rsa,NULL,NULL,0,NULL);
PEM_write_X509(stdout,x509);
X509_free(x509);
EVP_PKEY_free(pkey);
BIO_free(bio_err);
X509V3_EXT_cleanup();
CRYPTO_mem_leaks(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_NAME_new();
ne=X509_NAME_ENTRY_create_by_NID(NULL,NID_countryName,
V_ASN1_APP_CHOOSE,"AU",-1);
X509_NAME_add_entry(name,ne,0,0);
X509_NAME_ENTRY_create_by_NID(&ne,NID_commonName,
V_ASN1_APP_CHOOSE,"Eric Young",-1);
X509_NAME_add_entry(name,ne,1,0);
/* finished with structure */
X509_NAME_ENTRY_free(ne);
X509_set_subject_name(x,name);
X509_set_issuer_name(x,name);
/* finished with structure */
X509_NAME_free(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);
ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_comment,
"example comment extension");
X509_add_ext(x,ex,-1);
ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_ssl_server_name,
"www.openssl.org");
X509_add_ext(x,ex,-1);
#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);
#endif
if (!X509_sign(x,pk,EVP_md5()))
goto err;
*x509p=x;
*pkeyp=pk;
return(1);
err:
return(0);
}
|
