1/* testapi.c - for libgcrypt
2 *	Copyright (C) 2000, 2002 Free Software Foundation, Inc.
3 *
4 * This file is part of Libgcrypt.
5 *
6 * Libgcrypt is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU Lesser general Public License as
8 * published by the Free Software Foundation; either version 2.1 of
9 * the License, or (at your option) any later version.
10 *
11 * Libgcrypt is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
19 */
20
21#include <stdio.h>
22#include <stdlib.h>
23#include <gcrypt.h>
24
25
26#define BUG() do {fprintf ( stderr, "Ooops at %s:%d\n", __FILE__ , __LINE__ );\
27		  exit(2);} while(0)
28
29/* an ElGamal public key */
30struct {
31    const char *p,*g,*y;
32} elg_testkey1 = {
33  "0x9D559F31A6D30492C383213844AEBB7772963A85D3239F3611AAB93A2A985F64FB735B9259EC326BF5720F909980D609D37C288C9223B0350FBE493C3B5AF54CA23031E952E92F8A3DBEDBC5A684993D452CD54F85B85160166FCD25BD7AB6AE9B1EB4FCC9D300DAFF081C4CBA6694906D3E3FF18196A5CCF7F0A6182962166B",
34  "0x5",
35  "0x9640024BB2A277205813FF685048AA27E2B192B667163E7C59E381E27003D044C700C531CE8FD4AA781B463BC9FFE74956AF09A38A098322B1CF72FC896F009E3A6BFF053D3B1D1E1994BF9CC07FA12963D782F027B51511DDE8C5F43421FBC12734A9C070F158C729A370BEE5FC51A772219438EDA8202C35FA3F5D8CD1997B"
36};
37
38void
39test_sexp ( int argc, char **argv )
40{
41    int rc, nbits;
42    gcry_sexp_t sexp;
43    gcry_mpi_t key[3];
44    size_t n;
45    char *buf;
46
47    if ( gcry_mpi_scan( &key[0], GCRYMPI_FMT_HEX, elg_testkey1.p, NULL ) )
48	BUG();
49    if ( gcry_mpi_scan( &key[1], GCRYMPI_FMT_HEX, elg_testkey1.g, NULL ) )
50	BUG();
51    if ( gcry_mpi_scan( &key[2], GCRYMPI_FMT_HEX, elg_testkey1.y, NULL ) )
52	BUG();
53
54    /* get nbits from a key */
55    rc = gcry_sexp_build ( &sexp, NULL,
56			   "(public-key(elg(p%m)(g%m)(y%m)))",
57				  key[0], key[1], key[2] );
58    fputs ( "DUMP of PK:\n", stderr );
59    gcry_sexp_dump ( sexp );
60    {  gcry_sexp_t x;
61       x = gcry_sexp_cdr ( sexp );
62       fputs ( "DUMP of CDR:\n", stderr );
63       gcry_sexp_dump ( x );
64       gcry_sexp_release ( x );
65    }
66    nbits = gcry_pk_get_nbits( sexp );
67    printf ( "elg_testkey1 - nbits=%d\n", nbits );
68    n = gcry_sexp_sprint ( sexp, 0, NULL, 0 );
69    buf = gcry_xmalloc ( n );
70    n = gcry_sexp_sprint ( sexp, 0, buf, n );
71    printf ( "sprint length=%u\n", (unsigned int)n );
72    gcry_free ( buf );
73    gcry_sexp_release( sexp );
74}
75
76
77void
78test_genkey ( int argc, char **argv )
79{
80    int rc, nbits = 1024;
81    gcry_sexp_t s_parms, s_key;
82
83    gcry_control( GCRYCTL_INIT_SECMEM, 16384, 0 );
84    rc = gcry_sexp_build ( &s_parms, NULL, "(genkey(dsa(nbits %d)))", nbits );
85    rc = gcry_pk_genkey( &s_key, s_parms );
86    if ( rc ) {
87	fprintf ( stderr, "genkey failed: %s\n", gpg_strerror (rc) );
88	return;
89    }
90    gcry_sexp_release( s_parms );
91    gcry_sexp_dump ( s_key );
92    gcry_sexp_release( s_key );
93}
94
95int
96main( int argc, char **argv )
97{
98    if ( argc < 2 )
99	printf("%s\n", gcry_check_version ( NULL ) );
100    else if ( !strcmp ( argv[1], "version") )
101	printf("%s\n", gcry_check_version ( argc > 2 ? argv[2] : NULL ) );
102    else if ( !strcmp ( argv[1], "sexp" ) )
103	test_sexp ( argc-2, argv+2 );
104    else if ( !strcmp ( argv[1], "genkey" ) )
105	test_genkey ( argc-2, argv+2 );
106    else {
107	fprintf (stderr, "usage: testapi mode-string [mode-args]\n");
108	return 1;
109    }
110
111    return 0;
112}
113