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. 8280304Sjkim * 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). 15280304Sjkim * 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. 22280304Sjkim * 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 :-). 37280304Sjkim * 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)" 40280304Sjkim * 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. 52280304Sjkim * 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 59280304Sjkim#include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */ 60109998Smarkm#ifndef OPENSSL_NO_DSA 61280304Sjkim# include <stdio.h> 62280304Sjkim# include <stdlib.h> 63280304Sjkim# include <string.h> 64280304Sjkim# include <time.h> 65280304Sjkim# include "apps.h" 66280304Sjkim# include <openssl/bio.h> 67280304Sjkim# include <openssl/err.h> 68280304Sjkim# include <openssl/dsa.h> 69280304Sjkim# include <openssl/evp.h> 70280304Sjkim# include <openssl/x509.h> 71280304Sjkim# include <openssl/pem.h> 72280304Sjkim# include <openssl/bn.h> 7355714Skris 74280304Sjkim# undef PROG 75280304Sjkim# define PROG dsa_main 7655714Skris 77280304Sjkim/*- 78280304Sjkim * -inform arg - input format - default PEM (one of DER, NET or PEM) 7955714Skris * -outform arg - output format - default PEM 80280304Sjkim * -in arg - input file - default stdin 81280304Sjkim * -out arg - output file - default stdout 82280304Sjkim * -des - encrypt output if PEM format with DES in cbc mode 83280304Sjkim * -des3 - encrypt output if PEM format 84280304Sjkim * -idea - encrypt output if PEM format 85280304Sjkim * -aes128 - encrypt output if PEM format 86280304Sjkim * -aes192 - encrypt output if PEM format 87280304Sjkim * -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 92280304Sjkim * -text - print a text version 93280304Sjkim * -modulus - print the DSA public key 9455714Skris */ 9555714Skris 9659191Skrisint MAIN(int, char **); 9759191Skris 9855714Skrisint MAIN(int argc, char **argv) 99280304Sjkim{ 100280304Sjkim ENGINE *e = NULL; 101280304Sjkim int ret = 1; 102280304Sjkim DSA *dsa = NULL; 103280304Sjkim int i, badops = 0; 104280304Sjkim const EVP_CIPHER *enc = NULL; 105280304Sjkim BIO *in = NULL, *out = NULL; 106280304Sjkim int informat, outformat, text = 0, noout = 0; 107280304Sjkim int pubin = 0, pubout = 0; 108280304Sjkim char *infile, *outfile, *prog; 109280304Sjkim# ifndef OPENSSL_NO_ENGINE 110280304Sjkim char *engine; 111280304Sjkim# endif 112280304Sjkim char *passargin = NULL, *passargout = NULL; 113280304Sjkim char *passin = NULL, *passout = NULL; 114280304Sjkim int modulus = 0; 11555714Skris 116280304Sjkim int pvk_encr = 2; 117238405Sjkim 118280304Sjkim apps_startup(); 11955714Skris 120280304Sjkim if (bio_err == NULL) 121280304Sjkim if ((bio_err = BIO_new(BIO_s_file())) != NULL) 122280304Sjkim BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); 12355714Skris 124280304Sjkim if (!load_config(bio_err, NULL)) 125280304Sjkim goto end; 126109998Smarkm 127280304Sjkim# ifndef OPENSSL_NO_ENGINE 128280304Sjkim engine = NULL; 129280304Sjkim# endif 130280304Sjkim infile = NULL; 131280304Sjkim outfile = NULL; 132280304Sjkim informat = FORMAT_PEM; 133280304Sjkim outformat = FORMAT_PEM; 13455714Skris 135280304Sjkim prog = argv[0]; 136280304Sjkim argc--; 137280304Sjkim argv++; 138280304Sjkim while (argc >= 1) { 139280304Sjkim if (strcmp(*argv, "-inform") == 0) { 140280304Sjkim if (--argc < 1) 141280304Sjkim goto bad; 142280304Sjkim informat = str2fmt(*(++argv)); 143280304Sjkim } else if (strcmp(*argv, "-outform") == 0) { 144280304Sjkim if (--argc < 1) 145280304Sjkim goto bad; 146280304Sjkim outformat = str2fmt(*(++argv)); 147280304Sjkim } else if (strcmp(*argv, "-in") == 0) { 148280304Sjkim if (--argc < 1) 149280304Sjkim goto bad; 150280304Sjkim infile = *(++argv); 151280304Sjkim } else if (strcmp(*argv, "-out") == 0) { 152280304Sjkim if (--argc < 1) 153280304Sjkim goto bad; 154280304Sjkim outfile = *(++argv); 155280304Sjkim } else if (strcmp(*argv, "-passin") == 0) { 156280304Sjkim if (--argc < 1) 157280304Sjkim goto bad; 158280304Sjkim passargin = *(++argv); 159280304Sjkim } else if (strcmp(*argv, "-passout") == 0) { 160280304Sjkim if (--argc < 1) 161280304Sjkim goto bad; 162280304Sjkim passargout = *(++argv); 163280304Sjkim } 164280304Sjkim# ifndef OPENSSL_NO_ENGINE 165280304Sjkim else if (strcmp(*argv, "-engine") == 0) { 166280304Sjkim if (--argc < 1) 167280304Sjkim goto bad; 168280304Sjkim engine = *(++argv); 169280304Sjkim } 170280304Sjkim# endif 171280304Sjkim else if (strcmp(*argv, "-pvk-strong") == 0) 172280304Sjkim pvk_encr = 2; 173280304Sjkim else if (strcmp(*argv, "-pvk-weak") == 0) 174280304Sjkim pvk_encr = 1; 175280304Sjkim else if (strcmp(*argv, "-pvk-none") == 0) 176280304Sjkim pvk_encr = 0; 177280304Sjkim else if (strcmp(*argv, "-noout") == 0) 178280304Sjkim noout = 1; 179280304Sjkim else if (strcmp(*argv, "-text") == 0) 180280304Sjkim text = 1; 181280304Sjkim else if (strcmp(*argv, "-modulus") == 0) 182280304Sjkim modulus = 1; 183280304Sjkim else if (strcmp(*argv, "-pubin") == 0) 184280304Sjkim pubin = 1; 185280304Sjkim else if (strcmp(*argv, "-pubout") == 0) 186280304Sjkim pubout = 1; 187280304Sjkim else if ((enc = EVP_get_cipherbyname(&(argv[0][1]))) == NULL) { 188280304Sjkim BIO_printf(bio_err, "unknown option %s\n", *argv); 189280304Sjkim badops = 1; 190280304Sjkim break; 191280304Sjkim } 192280304Sjkim argc--; 193280304Sjkim argv++; 194280304Sjkim } 19555714Skris 196280304Sjkim if (badops) { 197280304Sjkim bad: 198280304Sjkim BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog); 199280304Sjkim BIO_printf(bio_err, "where options are\n"); 200280304Sjkim BIO_printf(bio_err, " -inform arg input format - DER or PEM\n"); 201280304Sjkim BIO_printf(bio_err, " -outform arg output format - DER or PEM\n"); 202280304Sjkim BIO_printf(bio_err, " -in arg input file\n"); 203280304Sjkim BIO_printf(bio_err, 204280304Sjkim " -passin arg input file pass phrase source\n"); 205280304Sjkim BIO_printf(bio_err, " -out arg output file\n"); 206280304Sjkim BIO_printf(bio_err, 207280304Sjkim " -passout arg output file pass phrase source\n"); 208280304Sjkim# ifndef OPENSSL_NO_ENGINE 209280304Sjkim BIO_printf(bio_err, 210280304Sjkim " -engine e use engine e, possibly a hardware device.\n"); 211280304Sjkim# endif 212280304Sjkim BIO_printf(bio_err, 213280304Sjkim " -des encrypt PEM output with cbc des\n"); 214280304Sjkim BIO_printf(bio_err, 215280304Sjkim " -des3 encrypt PEM output with ede cbc des using 168 bit key\n"); 216280304Sjkim# ifndef OPENSSL_NO_IDEA 217280304Sjkim BIO_printf(bio_err, 218280304Sjkim " -idea encrypt PEM output with cbc idea\n"); 219280304Sjkim# endif 220280304Sjkim# ifndef OPENSSL_NO_AES 221280304Sjkim BIO_printf(bio_err, " -aes128, -aes192, -aes256\n"); 222280304Sjkim BIO_printf(bio_err, 223280304Sjkim " encrypt PEM output with cbc aes\n"); 224280304Sjkim# endif 225280304Sjkim# ifndef OPENSSL_NO_CAMELLIA 226280304Sjkim BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n"); 227280304Sjkim BIO_printf(bio_err, 228280304Sjkim " encrypt PEM output with cbc camellia\n"); 229280304Sjkim# endif 230280304Sjkim# ifndef OPENSSL_NO_SEED 231280304Sjkim BIO_printf(bio_err, 232280304Sjkim " -seed encrypt PEM output with cbc seed\n"); 233280304Sjkim# endif 234280304Sjkim BIO_printf(bio_err, " -text print the key in text\n"); 235280304Sjkim BIO_printf(bio_err, " -noout don't print key out\n"); 236280304Sjkim BIO_printf(bio_err, " -modulus print the DSA public value\n"); 237280304Sjkim goto end; 238280304Sjkim } 23955714Skris 240280304Sjkim ERR_load_crypto_strings(); 24155714Skris 242280304Sjkim# ifndef OPENSSL_NO_ENGINE 243280304Sjkim e = setup_engine(bio_err, engine, 0); 244280304Sjkim# endif 245109998Smarkm 246280304Sjkim if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { 247280304Sjkim BIO_printf(bio_err, "Error getting passwords\n"); 248280304Sjkim goto end; 249280304Sjkim } 25059191Skris 251280304Sjkim in = BIO_new(BIO_s_file()); 252280304Sjkim out = BIO_new(BIO_s_file()); 253280304Sjkim if ((in == NULL) || (out == NULL)) { 254280304Sjkim ERR_print_errors(bio_err); 255280304Sjkim goto end; 256280304Sjkim } 25755714Skris 258280304Sjkim if (infile == NULL) 259280304Sjkim BIO_set_fp(in, stdin, BIO_NOCLOSE); 260280304Sjkim else { 261280304Sjkim if (BIO_read_filename(in, infile) <= 0) { 262280304Sjkim perror(infile); 263280304Sjkim goto end; 264280304Sjkim } 265280304Sjkim } 266238405Sjkim 267280304Sjkim BIO_printf(bio_err, "read DSA key\n"); 268238405Sjkim 269280304Sjkim { 270280304Sjkim EVP_PKEY *pkey; 271238405Sjkim 272280304Sjkim if (pubin) 273280304Sjkim pkey = load_pubkey(bio_err, infile, informat, 1, 274280304Sjkim passin, e, "Public Key"); 275280304Sjkim else 276280304Sjkim pkey = load_key(bio_err, infile, informat, 1, 277280304Sjkim passin, e, "Private Key"); 27855714Skris 279280304Sjkim if (pkey) { 280280304Sjkim dsa = EVP_PKEY_get1_DSA(pkey); 281280304Sjkim EVP_PKEY_free(pkey); 282280304Sjkim } 283280304Sjkim } 284280304Sjkim if (dsa == NULL) { 285280304Sjkim BIO_printf(bio_err, "unable to load Key\n"); 286280304Sjkim ERR_print_errors(bio_err); 287280304Sjkim goto end; 288280304Sjkim } 28955714Skris 290280304Sjkim if (outfile == NULL) { 291280304Sjkim BIO_set_fp(out, stdout, BIO_NOCLOSE); 292280304Sjkim# ifdef OPENSSL_SYS_VMS 293280304Sjkim { 294280304Sjkim BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 295280304Sjkim out = BIO_push(tmpbio, out); 296280304Sjkim } 297280304Sjkim# endif 298280304Sjkim } else { 299280304Sjkim if (BIO_write_filename(out, outfile) <= 0) { 300280304Sjkim perror(outfile); 301280304Sjkim goto end; 302280304Sjkim } 303280304Sjkim } 30455714Skris 305280304Sjkim if (text) 306280304Sjkim if (!DSA_print(out, dsa, 0)) { 307280304Sjkim perror(outfile); 308280304Sjkim ERR_print_errors(bio_err); 309280304Sjkim goto end; 310280304Sjkim } 31155714Skris 312280304Sjkim if (modulus) { 313280304Sjkim fprintf(stdout, "Public Key="); 314280304Sjkim BN_print(out, dsa->pub_key); 315280304Sjkim fprintf(stdout, "\n"); 316280304Sjkim } 31755714Skris 318280304Sjkim if (noout) 319280304Sjkim goto end; 320280304Sjkim BIO_printf(bio_err, "writing DSA key\n"); 321280304Sjkim if (outformat == FORMAT_ASN1) { 322280304Sjkim if (pubin || pubout) 323280304Sjkim i = i2d_DSA_PUBKEY_bio(out, dsa); 324280304Sjkim else 325280304Sjkim i = i2d_DSAPrivateKey_bio(out, dsa); 326280304Sjkim } else if (outformat == FORMAT_PEM) { 327280304Sjkim if (pubin || pubout) 328280304Sjkim i = PEM_write_bio_DSA_PUBKEY(out, dsa); 329280304Sjkim else 330280304Sjkim i = PEM_write_bio_DSAPrivateKey(out, dsa, enc, 331280304Sjkim NULL, 0, NULL, passout); 332280304Sjkim# if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_RC4) 333280304Sjkim } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) { 334280304Sjkim EVP_PKEY *pk; 335280304Sjkim pk = EVP_PKEY_new(); 336280304Sjkim EVP_PKEY_set1_DSA(pk, dsa); 337280304Sjkim if (outformat == FORMAT_PVK) 338280304Sjkim i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout); 339280304Sjkim else if (pubin || pubout) 340280304Sjkim i = i2b_PublicKey_bio(out, pk); 341280304Sjkim else 342280304Sjkim i = i2b_PrivateKey_bio(out, pk); 343280304Sjkim EVP_PKEY_free(pk); 344280304Sjkim# endif 345280304Sjkim } else { 346280304Sjkim BIO_printf(bio_err, "bad output format specified for outfile\n"); 347280304Sjkim goto end; 348280304Sjkim } 349280304Sjkim if (i <= 0) { 350280304Sjkim BIO_printf(bio_err, "unable to write private key\n"); 351280304Sjkim ERR_print_errors(bio_err); 352280304Sjkim } else 353280304Sjkim ret = 0; 354280304Sjkim end: 355280304Sjkim if (in != NULL) 356280304Sjkim BIO_free(in); 357280304Sjkim if (out != NULL) 358280304Sjkim BIO_free_all(out); 359280304Sjkim if (dsa != NULL) 360280304Sjkim DSA_free(dsa); 361280304Sjkim if (passin) 362280304Sjkim OPENSSL_free(passin); 363280304Sjkim if (passout) 364280304Sjkim OPENSSL_free(passout); 365280304Sjkim apps_shutdown(); 366280304Sjkim OPENSSL_EXIT(ret); 367280304Sjkim} 368280304Sjkim#else /* !OPENSSL_NO_DSA */ 369238405Sjkim 370238405Sjkim# if PEDANTIC 371280304Sjkimstatic void *dummy = &dummy; 372238405Sjkim# endif 373238405Sjkim 37455714Skris#endif 375