void doit(void)
{
gnutls_pkcs12_t pkcs12;
gnutls_x509_crt_t client;
gnutls_x509_crt_t ca;
gnutls_pkcs12_bag_t bag;
unsigned char key_id_buf[20];
gnutls_datum_t key_id;
int ret, indx;
char outbuf[10240];
size_t size;
unsigned tests, i;
ret = global_init();
if (ret < 0) {
fprintf(stderr, "global_init %d", ret);
exit(1);
}
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(4711);
/* Read certs. */
ret = gnutls_x509_crt_init(&client);
if (ret < 0) {
fprintf(stderr, "crt_init: %d", ret);
exit(1);
}
ret =
gnutls_x509_crt_import(client, &client_dat,
GNUTLS_X509_FMT_PEM);
if (ret < 0) {
fprintf(stderr, "crt_import: %d", ret);
exit(1);
}
ret = gnutls_x509_crt_init(&ca);
if (ret < 0) {
fprintf(stderr, "ca_init: %d", ret);
exit(1);
}
ret = gnutls_x509_crt_import(ca, &ca_dat, GNUTLS_X509_FMT_PEM);
if (ret < 0) {
fprintf(stderr, "ca_import: %d", ret);
exit(1);
}
/* Create PKCS#12 structure. */
ret = gnutls_pkcs12_init(&pkcs12);
if (ret < 0) {
fprintf(stderr, "pkcs12_init: %d", ret);
exit(1);
}
/* Generate and add PKCS#12 cert bags. */
#ifndef ENABLE_FIPS140
tests = 2; /* include RC2 */
#else
tests = 1;
#endif
for (i = 0; i < tests; i++) {
ret = gnutls_pkcs12_bag_init(&bag);
if (ret < 0) {
fprintf(stderr, "bag_init: %s (%d)\n", gnutls_strerror(ret), ret);
exit(1);
}
ret = gnutls_pkcs12_bag_set_crt(bag, i == 0 ? client : ca);
if (ret < 0) {
fprintf(stderr, "set_crt: %s (%d)\n", gnutls_strerror(ret), ret);
exit(1);
}
indx = ret;
ret = gnutls_pkcs12_bag_set_friendly_name(bag, indx,
i ==
0 ? "client" :
"ca");
if (ret < 0) {
fprintf(stderr, "set_friendly_name: %s (%d)\n", gnutls_strerror(ret), ret);
exit(1);
}
size = sizeof(key_id_buf);
ret = gnutls_x509_crt_get_key_id(i == 0 ? client : ca, 0,
key_id_buf, &size);
if (ret < 0) {
fprintf(stderr, "get_key_id: %s (%d)\n", gnutls_strerror(ret), ret);
exit(1);
}
key_id.data = key_id_buf;
key_id.size = size;
ret = gnutls_pkcs12_bag_set_key_id(bag, indx, &key_id);
if (ret < 0) {
fprintf(stderr, "bag_set_key_id: %s (%d)\n", gnutls_strerror(ret), ret);
exit(1);
}
ret = gnutls_pkcs12_bag_encrypt(bag, "pass",
i ==
0 ?
GNUTLS_PKCS8_USE_PKCS12_3DES
:
GNUTLS_PKCS_USE_PKCS12_RC2_40);
if (ret < 0) {
fprintf(stderr, "bag_encrypt: %d: %s", ret,
i == 0 ? "3DES" : "RC2-40");
exit(1);
}
ret = gnutls_pkcs12_set_bag(pkcs12, bag);
if (ret < 0) {
fprintf(stderr, "set_bag: %s (%d)\n", gnutls_strerror(ret), ret);
exit(1);
}
gnutls_pkcs12_bag_deinit(bag);
}
/* MAC the structure, export and print. */
ret = gnutls_pkcs12_generate_mac2(pkcs12, GNUTLS_MAC_SHA1, "pass");
if (ret < 0) {
fprintf(stderr, "generate_mac: %s (%d)\n", gnutls_strerror(ret), ret);
exit(1);
}
ret = gnutls_pkcs12_verify_mac(pkcs12, "pass");
if (ret < 0) {
fprintf(stderr, "verify_mac: %s (%d)\n", gnutls_strerror(ret), ret);
exit(1);
}
ret = gnutls_pkcs12_generate_mac2(pkcs12, GNUTLS_MAC_SHA256, "passwd");
if (ret < 0) {
fprintf(stderr, "generate_mac2: %s (%d)\n", gnutls_strerror(ret), ret);
exit(1);
}
ret = gnutls_pkcs12_verify_mac(pkcs12, "passwd");
if (ret < 0) {
fprintf(stderr, "verify_mac2: %s (%d)\n", gnutls_strerror(ret), ret);
exit(1);
}
size = sizeof(outbuf);
ret =
gnutls_pkcs12_export(pkcs12, GNUTLS_X509_FMT_PEM, outbuf,
&size);
if (ret < 0) {
fprintf(stderr, "pkcs12_export: %s (%d)\n", gnutls_strerror(ret), ret);
exit(1);
}
if (debug)
fwrite(outbuf, size, 1, stdout);
/* Cleanup. */
gnutls_pkcs12_deinit(pkcs12);
gnutls_x509_crt_deinit(client);
gnutls_x509_crt_deinit(ca);
gnutls_global_deinit();
}
/* This function will write a pkcs12 structure into a file.
* cert: is a DER encoded certificate
* pkcs8_key: is a PKCS #8 encrypted key (note that this must be
* encrypted using a PKCS #12 cipher, or some browsers will crash)
* password: is the password used to encrypt the PKCS #12 packet.
*/
int
write_pkcs12 (const gnutls_datum_t * cert,
const gnutls_datum_t * pkcs8_key, const char *password)
{
gnutls_pkcs12_t pkcs12;
int ret, bag_index;
gnutls_pkcs12_bag_t bag, key_bag;
char pkcs12_struct[10 * 1024];
size_t pkcs12_struct_size;
FILE *fd;
/* A good idea might be to use gnutls_x509_privkey_get_key_id()
* to obtain a unique ID.
*/
gnutls_datum_t key_id = { "\x00\x00\x07", 3 };
gnutls_global_init ();
/* Firstly we create two helper bags, which hold the certificate,
* and the (encrypted) key.
*/
gnutls_pkcs12_bag_init (&bag);
gnutls_pkcs12_bag_init (&key_bag);
ret = gnutls_pkcs12_bag_set_data (bag, GNUTLS_BAG_CERTIFICATE, cert);
if (ret < 0)
{
fprintf (stderr, "ret: %s\n", gnutls_strerror (ret));
return 1;
}
/* ret now holds the bag's index.
*/
bag_index = ret;
/* Associate a friendly name with the given certificate. Used
* by browsers.
*/
gnutls_pkcs12_bag_set_friendly_name (bag, bag_index, "My name");
/* Associate the certificate with the key using a unique key
* ID.
*/
gnutls_pkcs12_bag_set_key_id (bag, bag_index, &key_id);
/* use weak encryption for the certificate.
*/
gnutls_pkcs12_bag_encrypt (bag, password, GNUTLS_PKCS_USE_PKCS12_RC2_40);
/* Now the key.
*/
ret = gnutls_pkcs12_bag_set_data (key_bag,
GNUTLS_BAG_PKCS8_ENCRYPTED_KEY,
pkcs8_key);
if (ret < 0)
{
fprintf (stderr, "ret: %s\n", gnutls_strerror (ret));
return 1;
}
/* Note that since the PKCS #8 key is already encrypted we don't
* bother encrypting that bag.
*/
bag_index = ret;
gnutls_pkcs12_bag_set_friendly_name (key_bag, bag_index, "My name");
gnutls_pkcs12_bag_set_key_id (key_bag, bag_index, &key_id);
/* The bags were filled. Now create the PKCS #12 structure.
*/
gnutls_pkcs12_init (&pkcs12);
/* Insert the two bags in the PKCS #12 structure.
*/
gnutls_pkcs12_set_bag (pkcs12, bag);
gnutls_pkcs12_set_bag (pkcs12, key_bag);
/* Generate a message authentication code for the PKCS #12
* structure.
*/
gnutls_pkcs12_generate_mac (pkcs12, password);
pkcs12_struct_size = sizeof (pkcs12_struct);
ret =
gnutls_pkcs12_export (pkcs12, GNUTLS_X509_FMT_DER, pkcs12_struct,
&pkcs12_struct_size);
if (ret < 0)
{
fprintf (stderr, "ret: %s\n", gnutls_strerror (ret));
return 1;
}
fd = fopen (OUTFILE, "w");
if (fd == NULL)
{
fprintf (stderr, "cannot open file\n");
return 1;
}
fwrite (pkcs12_struct, 1, pkcs12_struct_size, fd);
fclose (fd);
gnutls_pkcs12_bag_deinit (bag);
gnutls_pkcs12_bag_deinit (key_bag);
gnutls_pkcs12_deinit (pkcs12);
return 0;
}
