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