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/** t-openpgp.c -- OpenPGP regression test **/
#include "gnutls_int.h"
#include "errors.h"
#include "mpi.h"
#include "cert.h"
#include "datum.h"
#include "global.h"
#include "auth/cert.h"
#include "openpgp.h"
#include <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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