155714Skris/* apps/dsa.c */ 255714Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 355714Skris * All rights reserved. 455714Skris * 555714Skris * This package is an SSL implementation written 655714Skris * by Eric Young (eay@cryptsoft.com). 755714Skris * The implementation was written so as to conform with Netscapes SSL. 8296465Sdelphij * 955714Skris * This library is free for commercial and non-commercial use as long as 1055714Skris * the following conditions are aheared to. The following conditions 1155714Skris * apply to all code found in this distribution, be it the RC4, RSA, 1255714Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1355714Skris * included with this distribution is covered by the same copyright terms 1455714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15296465Sdelphij * 1655714Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1755714Skris * the code are not to be removed. 1855714Skris * If this package is used in a product, Eric Young should be given attribution 1955714Skris * as the author of the parts of the library used. 2055714Skris * This can be in the form of a textual message at program startup or 2155714Skris * in documentation (online or textual) provided with the package. 22296465Sdelphij * 2355714Skris * Redistribution and use in source and binary forms, with or without 2455714Skris * modification, are permitted provided that the following conditions 2555714Skris * are met: 2655714Skris * 1. Redistributions of source code must retain the copyright 2755714Skris * notice, this list of conditions and the following disclaimer. 2855714Skris * 2. Redistributions in binary form must reproduce the above copyright 2955714Skris * notice, this list of conditions and the following disclaimer in the 3055714Skris * documentation and/or other materials provided with the distribution. 3155714Skris * 3. All advertising materials mentioning features or use of this software 3255714Skris * must display the following acknowledgement: 3355714Skris * "This product includes cryptographic software written by 3455714Skris * Eric Young (eay@cryptsoft.com)" 3555714Skris * The word 'cryptographic' can be left out if the rouines from the library 3655714Skris * being used are not cryptographic related :-). 37296465Sdelphij * 4. If you include any Windows specific code (or a derivative thereof) from 3855714Skris * the apps directory (application code) you must include an acknowledgement: 3955714Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40296465Sdelphij * 4155714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4255714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4355714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4455714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4555714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4655714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4755714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4955714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5055714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5155714Skris * SUCH DAMAGE. 52296465Sdelphij * 5355714Skris * The licence and distribution terms for any publically available version or 5455714Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5555714Skris * copied and put under another distribution licence 5655714Skris * [including the GNU Public Licence.] 5755714Skris */ 5855714Skris 59296465Sdelphij#include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */ 60109998Smarkm#ifndef OPENSSL_NO_DSA 61296465Sdelphij# include <stdio.h> 62296465Sdelphij# include <stdlib.h> 63296465Sdelphij# include <string.h> 64296465Sdelphij# include <time.h> 65296465Sdelphij# include "apps.h" 66296465Sdelphij# include <openssl/bio.h> 67296465Sdelphij# include <openssl/err.h> 68296465Sdelphij# include <openssl/evp.h> 69296465Sdelphij# include <openssl/x509.h> 70296465Sdelphij# include <openssl/pem.h> 71296465Sdelphij# include <openssl/bn.h> 72296465Sdelphij# include <openssl/dsa.h> 7355714Skris 74296465Sdelphij# undef PROG 75296465Sdelphij# define PROG dsa_main 7655714Skris 77296465Sdelphij/*- 78296465Sdelphij * -inform arg - input format - default PEM (one of DER, NET or PEM) 7955714Skris * -outform arg - output format - default PEM 80296465Sdelphij * -in arg - input file - default stdin 81296465Sdelphij * -out arg - output file - default stdout 82296465Sdelphij * -des - encrypt output if PEM format with DES in cbc mode 83296465Sdelphij * -des3 - encrypt output if PEM format 84296465Sdelphij * -idea - encrypt output if PEM format 85296465Sdelphij * -aes128 - encrypt output if PEM format 86296465Sdelphij * -aes192 - encrypt output if PEM format 87296465Sdelphij * -aes256 - encrypt output if PEM format 88162911Ssimon * -camellia128 - encrypt output if PEM format 89162911Ssimon * -camellia192 - encrypt output if PEM format 90162911Ssimon * -camellia256 - encrypt output if PEM format 91194206Ssimon * -seed - encrypt output if PEM format 92296465Sdelphij * -text - print a text version 93296465Sdelphij * -modulus - print the DSA public key 9455714Skris */ 9555714Skris 9659191Skrisint MAIN(int, char **); 9759191Skris 9855714Skrisint MAIN(int argc, char **argv) 99296465Sdelphij{ 100296465Sdelphij ENGINE *e = NULL; 101296465Sdelphij int ret = 1; 102296465Sdelphij DSA *dsa = NULL; 103296465Sdelphij int i, badops = 0; 104296465Sdelphij const EVP_CIPHER *enc = NULL; 105296465Sdelphij BIO *in = NULL, *out = NULL; 106296465Sdelphij int informat, outformat, text = 0, noout = 0; 107296465Sdelphij int pubin = 0, pubout = 0; 108296465Sdelphij char *infile, *outfile, *prog; 109296465Sdelphij# ifndef OPENSSL_NO_ENGINE 110296465Sdelphij char *engine; 111296465Sdelphij# endif 112296465Sdelphij char *passargin = NULL, *passargout = NULL; 113296465Sdelphij char *passin = NULL, *passout = NULL; 114296465Sdelphij int modulus = 0; 11555714Skris 116296465Sdelphij apps_startup(); 11755714Skris 118296465Sdelphij if (bio_err == NULL) 119296465Sdelphij if ((bio_err = BIO_new(BIO_s_file())) != NULL) 120296465Sdelphij BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); 12155714Skris 122296465Sdelphij if (!load_config(bio_err, NULL)) 123296465Sdelphij goto end; 124109998Smarkm 125296465Sdelphij# ifndef OPENSSL_NO_ENGINE 126296465Sdelphij engine = NULL; 127296465Sdelphij# endif 128296465Sdelphij infile = NULL; 129296465Sdelphij outfile = NULL; 130296465Sdelphij informat = FORMAT_PEM; 131296465Sdelphij outformat = FORMAT_PEM; 13255714Skris 133296465Sdelphij prog = argv[0]; 134296465Sdelphij argc--; 135296465Sdelphij argv++; 136296465Sdelphij while (argc >= 1) { 137296465Sdelphij if (strcmp(*argv, "-inform") == 0) { 138296465Sdelphij if (--argc < 1) 139296465Sdelphij goto bad; 140296465Sdelphij informat = str2fmt(*(++argv)); 141296465Sdelphij } else if (strcmp(*argv, "-outform") == 0) { 142296465Sdelphij if (--argc < 1) 143296465Sdelphij goto bad; 144296465Sdelphij outformat = str2fmt(*(++argv)); 145296465Sdelphij } else if (strcmp(*argv, "-in") == 0) { 146296465Sdelphij if (--argc < 1) 147296465Sdelphij goto bad; 148296465Sdelphij infile = *(++argv); 149296465Sdelphij } else if (strcmp(*argv, "-out") == 0) { 150296465Sdelphij if (--argc < 1) 151296465Sdelphij goto bad; 152296465Sdelphij outfile = *(++argv); 153296465Sdelphij } else if (strcmp(*argv, "-passin") == 0) { 154296465Sdelphij if (--argc < 1) 155296465Sdelphij goto bad; 156296465Sdelphij passargin = *(++argv); 157296465Sdelphij } else if (strcmp(*argv, "-passout") == 0) { 158296465Sdelphij if (--argc < 1) 159296465Sdelphij goto bad; 160296465Sdelphij passargout = *(++argv); 161296465Sdelphij } 162296465Sdelphij# ifndef OPENSSL_NO_ENGINE 163296465Sdelphij else if (strcmp(*argv, "-engine") == 0) { 164296465Sdelphij if (--argc < 1) 165296465Sdelphij goto bad; 166296465Sdelphij engine = *(++argv); 167296465Sdelphij } 168296465Sdelphij# endif 169296465Sdelphij else if (strcmp(*argv, "-noout") == 0) 170296465Sdelphij noout = 1; 171296465Sdelphij else if (strcmp(*argv, "-text") == 0) 172296465Sdelphij text = 1; 173296465Sdelphij else if (strcmp(*argv, "-modulus") == 0) 174296465Sdelphij modulus = 1; 175296465Sdelphij else if (strcmp(*argv, "-pubin") == 0) 176296465Sdelphij pubin = 1; 177296465Sdelphij else if (strcmp(*argv, "-pubout") == 0) 178296465Sdelphij pubout = 1; 179296465Sdelphij else if ((enc = EVP_get_cipherbyname(&(argv[0][1]))) == NULL) { 180296465Sdelphij BIO_printf(bio_err, "unknown option %s\n", *argv); 181296465Sdelphij badops = 1; 182296465Sdelphij break; 183296465Sdelphij } 184296465Sdelphij argc--; 185296465Sdelphij argv++; 186296465Sdelphij } 18755714Skris 188296465Sdelphij if (badops) { 189296465Sdelphij bad: 190296465Sdelphij BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog); 191296465Sdelphij BIO_printf(bio_err, "where options are\n"); 192296465Sdelphij BIO_printf(bio_err, " -inform arg input format - DER or PEM\n"); 193296465Sdelphij BIO_printf(bio_err, " -outform arg output format - DER or PEM\n"); 194296465Sdelphij BIO_printf(bio_err, " -in arg input file\n"); 195296465Sdelphij BIO_printf(bio_err, 196296465Sdelphij " -passin arg input file pass phrase source\n"); 197296465Sdelphij BIO_printf(bio_err, " -out arg output file\n"); 198296465Sdelphij BIO_printf(bio_err, 199296465Sdelphij " -passout arg output file pass phrase source\n"); 200296465Sdelphij# ifndef OPENSSL_NO_ENGINE 201296465Sdelphij BIO_printf(bio_err, 202296465Sdelphij " -engine e use engine e, possibly a hardware device.\n"); 203296465Sdelphij# endif 204296465Sdelphij BIO_printf(bio_err, 205296465Sdelphij " -des encrypt PEM output with cbc des\n"); 206296465Sdelphij BIO_printf(bio_err, 207296465Sdelphij " -des3 encrypt PEM output with ede cbc des using 168 bit key\n"); 208296465Sdelphij# ifndef OPENSSL_NO_IDEA 209296465Sdelphij BIO_printf(bio_err, 210296465Sdelphij " -idea encrypt PEM output with cbc idea\n"); 211296465Sdelphij# endif 212296465Sdelphij# ifndef OPENSSL_NO_AES 213296465Sdelphij BIO_printf(bio_err, " -aes128, -aes192, -aes256\n"); 214296465Sdelphij BIO_printf(bio_err, 215296465Sdelphij " encrypt PEM output with cbc aes\n"); 216296465Sdelphij# endif 217296465Sdelphij# ifndef OPENSSL_NO_CAMELLIA 218296465Sdelphij BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n"); 219296465Sdelphij BIO_printf(bio_err, 220296465Sdelphij " encrypt PEM output with cbc camellia\n"); 221296465Sdelphij# endif 222296465Sdelphij# ifndef OPENSSL_NO_SEED 223296465Sdelphij BIO_printf(bio_err, 224296465Sdelphij " -seed encrypt PEM output with cbc seed\n"); 225296465Sdelphij# endif 226296465Sdelphij BIO_printf(bio_err, " -text print the key in text\n"); 227296465Sdelphij BIO_printf(bio_err, " -noout don't print key out\n"); 228296465Sdelphij BIO_printf(bio_err, " -modulus print the DSA public value\n"); 229296465Sdelphij goto end; 230296465Sdelphij } 23155714Skris 232296465Sdelphij ERR_load_crypto_strings(); 23355714Skris 234296465Sdelphij# ifndef OPENSSL_NO_ENGINE 235296465Sdelphij e = setup_engine(bio_err, engine, 0); 236296465Sdelphij# endif 237109998Smarkm 238296465Sdelphij if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { 239296465Sdelphij BIO_printf(bio_err, "Error getting passwords\n"); 240296465Sdelphij goto end; 241296465Sdelphij } 24259191Skris 243296465Sdelphij out = BIO_new(BIO_s_file()); 244296465Sdelphij if (out == NULL) { 245296465Sdelphij ERR_print_errors(bio_err); 246296465Sdelphij goto end; 247296465Sdelphij } 24855714Skris 249296465Sdelphij BIO_printf(bio_err, "read DSA key\n"); 250296465Sdelphij { 251296465Sdelphij EVP_PKEY *pkey; 252296465Sdelphij if (pubin) 253296465Sdelphij pkey = load_pubkey(bio_err, infile, informat, 1, 254296465Sdelphij passin, e, "Public Key"); 255296465Sdelphij else 256296465Sdelphij pkey = load_key(bio_err, infile, informat, 1, 257296465Sdelphij passin, e, "Private Key"); 25855714Skris 259296465Sdelphij if (pkey != NULL) 260296465Sdelphij dsa = pkey == NULL ? NULL : EVP_PKEY_get1_DSA(pkey); 261296465Sdelphij EVP_PKEY_free(pkey); 262296465Sdelphij } 263296465Sdelphij if (dsa == NULL) { 264296465Sdelphij BIO_printf(bio_err, "unable to load Key\n"); 265296465Sdelphij ERR_print_errors(bio_err); 266296465Sdelphij goto end; 267296465Sdelphij } 26855714Skris 269296465Sdelphij if (outfile == NULL) { 270296465Sdelphij BIO_set_fp(out, stdout, BIO_NOCLOSE); 271296465Sdelphij# ifdef OPENSSL_SYS_VMS 272296465Sdelphij { 273296465Sdelphij BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 274296465Sdelphij out = BIO_push(tmpbio, out); 275296465Sdelphij } 276296465Sdelphij# endif 277296465Sdelphij } else { 278296465Sdelphij if (BIO_write_filename(out, outfile) <= 0) { 279296465Sdelphij perror(outfile); 280296465Sdelphij goto end; 281296465Sdelphij } 282296465Sdelphij } 28355714Skris 284296465Sdelphij if (text) 285296465Sdelphij if (!DSA_print(out, dsa, 0)) { 286296465Sdelphij perror(outfile); 287296465Sdelphij ERR_print_errors(bio_err); 288296465Sdelphij goto end; 289296465Sdelphij } 29055714Skris 291296465Sdelphij if (modulus) { 292296465Sdelphij fprintf(stdout, "Public Key="); 293296465Sdelphij BN_print(out, dsa->pub_key); 294296465Sdelphij fprintf(stdout, "\n"); 295296465Sdelphij } 29655714Skris 297296465Sdelphij if (noout) 298296465Sdelphij goto end; 299296465Sdelphij BIO_printf(bio_err, "writing DSA key\n"); 300296465Sdelphij if (outformat == FORMAT_ASN1) { 301296465Sdelphij if (pubin || pubout) 302296465Sdelphij i = i2d_DSA_PUBKEY_bio(out, dsa); 303296465Sdelphij else 304296465Sdelphij i = i2d_DSAPrivateKey_bio(out, dsa); 305296465Sdelphij } else if (outformat == FORMAT_PEM) { 306296465Sdelphij if (pubin || pubout) 307296465Sdelphij i = PEM_write_bio_DSA_PUBKEY(out, dsa); 308296465Sdelphij else 309296465Sdelphij i = PEM_write_bio_DSAPrivateKey(out, dsa, enc, 310296465Sdelphij NULL, 0, NULL, passout); 311296465Sdelphij } else { 312296465Sdelphij BIO_printf(bio_err, "bad output format specified for outfile\n"); 313296465Sdelphij goto end; 314296465Sdelphij } 315296465Sdelphij if (!i) { 316296465Sdelphij BIO_printf(bio_err, "unable to write private key\n"); 317296465Sdelphij ERR_print_errors(bio_err); 318296465Sdelphij } else 319296465Sdelphij ret = 0; 320296465Sdelphij end: 321296465Sdelphij if (in != NULL) 322296465Sdelphij BIO_free(in); 323296465Sdelphij if (out != NULL) 324296465Sdelphij BIO_free_all(out); 325296465Sdelphij if (dsa != NULL) 326296465Sdelphij DSA_free(dsa); 327296465Sdelphij if (passin) 328296465Sdelphij OPENSSL_free(passin); 329296465Sdelphij if (passout) 330296465Sdelphij OPENSSL_free(passout); 331296465Sdelphij apps_shutdown(); 332296465Sdelphij OPENSSL_EXIT(ret); 333296465Sdelphij} 33455714Skris#endif 335