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/** t-openpgp.c -- OpenPGP regression test **/
#include "gnutls_int.h"
#include "gnutls_errors.h"
#include "gnutls_mpi.h"
#include "gnutls_cert.h"
#include "gnutls_datum.h"
#include "gnutls_global.h"
#include "auth_cert.h"
#include "gnutls_openpgp.h"
#include <gnutls_str.h>
#include <stdio.h>
#include <gcrypt.h>
#include <time.h>
#include <assert.h>
static const char *
get_pkalgo (int algo)
{
switch (algo)
{
case GNUTLS_PK_DSA:
return "DSA";
case GNUTLS_PK_RSA:
return "RSA";
}
return NULL;
}
static const char *
get_pktime (long timestamp)
{
static char buf[128];
struct tm *tb;
tb = localtime (×tamp);
sprintf (buf, "%04d-%02d-%02d", tb->tm_year + 1900, tb->tm_mon + 1,
tb->tm_mday);
return buf;
}
int
get_pubkey (gnutls_datum_t * pk, const gnutls_datum_t * kr, unsigned long kid)
{
unsigned char buf[4];
buf[0] = kid >> 24;
buf[1] = kid >> 16;
buf[2] = kid >> 8;
buf[3] = kid;
return gnutls_openpgp_get_key (pk, kr, KEY_ATTR_SHORT_KEYID, buf);
}
int
main (int argc, char **argv)
{
gnutls_certificate_credentials ctx;
gnutls_datum_t dat, xml, pk;
gnutls_openpgp_name uid;
gnutls_privkey *pkey;
gnutls_cert *cert;
unsigned char fpr[20], keyid[8];
char *s, *t;
size_t fprlen = 0;
int rc, nbits = 0, i;
rc = gnutls_certificate_allocate_credentials (&ctx);
assert (rc == 0);
s = "../doc/credentials/openpgp/cli_ring.gpg";
rc = gnutls_certificate_set_openpgp_keyring_file (ctx, s);
assert (rc == 0);
s = "../doc/credentials/openpgp/pub.asc";
t = "../doc/credentials/openpgp/sec.asc";
rc = gnutls_certificate_set_openpgp_key_file (ctx, s, t);
assert (rc == 0);
dat = ctx->cert_list[0]->raw;
assert (ctx->cert_list[0]);
printf ("Key v%d\n", gnutls_openpgp_extract_key_version (&dat));
rc = gnutls_openpgp_extract_key_name (&dat, 1, &uid);
assert (rc == 0);
printf ("userID %s\n", uid.name);
rc = gnutls_openpgp_extract_key_pk_algorithm (&dat, &nbits);
printf ("pk-algorithm %s %d bits\n", get_pkalgo (rc), nbits);
rc = gnutls_openpgp_extract_key_creation_time (&dat);
printf ("creation time %s\n", get_pktime (rc));
rc = gnutls_openpgp_extract_key_expiration_time (&dat);
printf ("expiration time %lu\n", rc);
printf ("key fingerprint: ");
rc = gnutls_openpgp_fingerprint (&dat, fpr, &fprlen);
assert (rc == 0);
for (i = 0; i < fprlen / 2; i++)
printf ("%02X%02X ", fpr[2 * i], fpr[2 * i + 1]);
printf ("\n");
printf ("key id: ");
rc = gnutls_openpgp_extract_key_id (&dat, keyid);
assert (rc == 0);
for (i = 0; i < 8; i++)
printf ("%02X", keyid[i]);
printf ("\n\n");
printf ("Check MPIs\n");
cert = ctx->cert_list[0];
printf ("number of certs %d\n", *ctx->cert_list_length);
assert (*ctx->cert_list_length == 1);
printf ("number of items %d\n", cert->params_size);
for (i = 0; i < cert->params_size; i++)
{
nbits = gcry_mpi_get_nbits (cert->params[i]);
printf ("mpi %d %d bits\n", i, nbits);
}
printf ("\nCheck key\n");
rc = gnutls_openpgp_verify_key (NULL, &ctx->keyring, &dat, 1);
printf ("certifiacte status...%d\n", rc);
printf ("\nSeckey\n");
pkey = ctx->pkey;
assert (pkey);
assert (pkey->params_size);
nbits = gcry_mpi_get_nbits (pkey->params[0]);
rc = pkey->pk_algorithm;
printf ("pk-algorithm %s %d bits\n", get_pkalgo (rc), nbits);
printf ("number of items %d\n", pkey->params_size);
for (i = 0; i < pkey->params_size; i++)
{
nbits = gcry_mpi_get_nbits (pkey->params[i]);
printf ("mpi %d %d bits\n", i, nbits);
}
printf ("\nGet public key\n");
rc = get_pubkey (&pk, &ctx->keyring, 0xA7D93C3F);
assert (rc == 0);
printf ("key fingerprint: ");
gnutls_openpgp_fingerprint (&pk, fpr, &fprlen);
for (i = 0; i < fprlen / 2; i++)
printf ("%02X%02X ", fpr[2 * i], fpr[2 * i + 1]);
printf ("\n");
_gnutls_free_datum (&pk);
#if 0
rc = gnutls_openpgp_key_to_xml (&dat, &xml, 1);
printf ("rc=%d\n", rc);
assert (rc == 0);
xml.data[xml.size] = '\0';
printf ("%s\n", xml.data);
_gnutls_free_datum (&xml);
#endif
_gnutls_free_datum (&dat);
gnutls_certificate_free_credentials (ctx);
return 0;
}
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