diff options
Diffstat (limited to 'apps/dsa.c')
| -rw-r--r-- | apps/dsa.c | 445 |
1 files changed, 169 insertions, 276 deletions
diff --git a/apps/dsa.c b/apps/dsa.c index 82a870eb2910..6022e64cd4ce 100644 --- a/apps/dsa.c +++ b/apps/dsa.c @@ -1,68 +1,23 @@ -/* apps/dsa.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. +/* + * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ -#include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */ -#ifndef OPENSSL_NO_DSA +#include <openssl/opensslconf.h> +#ifdef OPENSSL_NO_DSA +NON_EMPTY_TRANSLATION_UNIT +#else + # include <stdio.h> # include <stdlib.h> # include <string.h> # include <time.h> # include "apps.h" +# include "progs.h" # include <openssl/bio.h> # include <openssl/err.h> # include <openssl/dsa.h> @@ -71,206 +26,143 @@ # include <openssl/pem.h> # include <openssl/bn.h> -# undef PROG -# define PROG dsa_main +typedef enum OPTION_choice { + OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, + OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_ENGINE, + /* Do not change the order here; see case statements below */ + OPT_PVK_NONE, OPT_PVK_WEAK, OPT_PVK_STRONG, + OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_PUBIN, + OPT_PUBOUT, OPT_CIPHER, OPT_PASSIN, OPT_PASSOUT +} OPTION_CHOICE; -/*- - * -inform arg - input format - default PEM (one of DER, NET or PEM) - * -outform arg - output format - default PEM - * -in arg - input file - default stdin - * -out arg - output file - default stdout - * -des - encrypt output if PEM format with DES in cbc mode - * -des3 - encrypt output if PEM format - * -idea - encrypt output if PEM format - * -aes128 - encrypt output if PEM format - * -aes192 - encrypt output if PEM format - * -aes256 - encrypt output if PEM format - * -camellia128 - encrypt output if PEM format - * -camellia192 - encrypt output if PEM format - * -camellia256 - encrypt output if PEM format - * -seed - encrypt output if PEM format - * -text - print a text version - * -modulus - print the DSA public key - */ - -int MAIN(int, char **); +const OPTIONS dsa_options[] = { + {"help", OPT_HELP, '-', "Display this summary"}, + {"inform", OPT_INFORM, 'f', "Input format, DER PEM PVK"}, + {"outform", OPT_OUTFORM, 'f', "Output format, DER PEM PVK"}, + {"in", OPT_IN, 's', "Input key"}, + {"out", OPT_OUT, '>', "Output file"}, + {"noout", OPT_NOOUT, '-', "Don't print key out"}, + {"text", OPT_TEXT, '-', "Print the key in text"}, + {"modulus", OPT_MODULUS, '-', "Print the DSA public value"}, + {"pubin", OPT_PUBIN, '-', "Expect a public key in input file"}, + {"pubout", OPT_PUBOUT, '-', "Output public key, not private"}, + {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, + {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"}, + {"", OPT_CIPHER, '-', "Any supported cipher"}, +# ifndef OPENSSL_NO_RC4 + {"pvk-strong", OPT_PVK_STRONG, '-', "Enable 'Strong' PVK encoding level (default)"}, + {"pvk-weak", OPT_PVK_WEAK, '-', "Enable 'Weak' PVK encoding level"}, + {"pvk-none", OPT_PVK_NONE, '-', "Don't enforce PVK encoding"}, +# endif +# ifndef OPENSSL_NO_ENGINE + {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"}, +# endif + {NULL} +}; -int MAIN(int argc, char **argv) +int dsa_main(int argc, char **argv) { - ENGINE *e = NULL; - int ret = 1; + BIO *out = NULL; DSA *dsa = NULL; - int i, badops = 0; + ENGINE *e = NULL; const EVP_CIPHER *enc = NULL; - BIO *in = NULL, *out = NULL; - int informat, outformat, text = 0, noout = 0; - int pubin = 0, pubout = 0; - char *infile, *outfile, *prog; - char *engine; - char *passargin = NULL, *passargout = NULL; - char *passin = NULL, *passout = NULL; - int modulus = 0; - + char *infile = NULL, *outfile = NULL, *prog; + char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL; + OPTION_CHOICE o; + int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, noout = 0; + int i, modulus = 0, pubin = 0, pubout = 0, ret = 1; +# ifndef OPENSSL_NO_RC4 int pvk_encr = 2; - - apps_startup(); - - if (bio_err == NULL) - if ((bio_err = BIO_new(BIO_s_file())) != NULL) - BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); - - if (!load_config(bio_err, NULL)) - goto end; - - engine = NULL; - infile = NULL; - outfile = NULL; - informat = FORMAT_PEM; - outformat = FORMAT_PEM; - - prog = argv[0]; - argc--; - argv++; - while (argc >= 1) { - if (strcmp(*argv, "-inform") == 0) { - if (--argc < 1) - goto bad; - informat = str2fmt(*(++argv)); - } else if (strcmp(*argv, "-outform") == 0) { - if (--argc < 1) - goto bad; - outformat = str2fmt(*(++argv)); - } else if (strcmp(*argv, "-in") == 0) { - if (--argc < 1) - goto bad; - infile = *(++argv); - } else if (strcmp(*argv, "-out") == 0) { - if (--argc < 1) - goto bad; - outfile = *(++argv); - } else if (strcmp(*argv, "-passin") == 0) { - if (--argc < 1) - goto bad; - passargin = *(++argv); - } else if (strcmp(*argv, "-passout") == 0) { - if (--argc < 1) - goto bad; - passargout = *(++argv); - } -# ifndef OPENSSL_NO_ENGINE - else if (strcmp(*argv, "-engine") == 0) { - if (--argc < 1) - goto bad; - engine = *(++argv); - } # endif - else if (strcmp(*argv, "-pvk-strong") == 0) - pvk_encr = 2; - else if (strcmp(*argv, "-pvk-weak") == 0) - pvk_encr = 1; - else if (strcmp(*argv, "-pvk-none") == 0) - pvk_encr = 0; - else if (strcmp(*argv, "-noout") == 0) + int private = 0; + + prog = opt_init(argc, argv, dsa_options); + while ((o = opt_next()) != OPT_EOF) { + switch (o) { + case OPT_EOF: + case OPT_ERR: + opthelp: + ret = 0; + BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); + goto end; + case OPT_HELP: + opt_help(dsa_options); + ret = 0; + goto end; + case OPT_INFORM: + if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat)) + goto opthelp; + break; + case OPT_IN: + infile = opt_arg(); + break; + case OPT_OUTFORM: + if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat)) + goto opthelp; + break; + case OPT_OUT: + outfile = opt_arg(); + break; + case OPT_ENGINE: + e = setup_engine(opt_arg(), 0); + break; + case OPT_PASSIN: + passinarg = opt_arg(); + break; + case OPT_PASSOUT: + passoutarg = opt_arg(); + break; + case OPT_PVK_STRONG: /* pvk_encr:= 2 */ + case OPT_PVK_WEAK: /* pvk_encr:= 1 */ + case OPT_PVK_NONE: /* pvk_encr:= 0 */ +#ifndef OPENSSL_NO_RC4 + pvk_encr = (o - OPT_PVK_NONE); +#endif + break; + case OPT_NOOUT: noout = 1; - else if (strcmp(*argv, "-text") == 0) + break; + case OPT_TEXT: text = 1; - else if (strcmp(*argv, "-modulus") == 0) + break; + case OPT_MODULUS: modulus = 1; - else if (strcmp(*argv, "-pubin") == 0) + break; + case OPT_PUBIN: pubin = 1; - else if (strcmp(*argv, "-pubout") == 0) + break; + case OPT_PUBOUT: pubout = 1; - else if ((enc = EVP_get_cipherbyname(&(argv[0][1]))) == NULL) { - BIO_printf(bio_err, "unknown option %s\n", *argv); - badops = 1; + break; + case OPT_CIPHER: + if (!opt_cipher(opt_unknown(), &enc)) + goto end; break; } - argc--; - argv++; } + argc = opt_num_rest(); + if (argc != 0) + goto opthelp; - if (badops) { - bad: - BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog); - BIO_printf(bio_err, "where options are\n"); - BIO_printf(bio_err, " -inform arg input format - DER or PEM\n"); - BIO_printf(bio_err, " -outform arg output format - DER or PEM\n"); - BIO_printf(bio_err, " -in arg input file\n"); - BIO_printf(bio_err, - " -passin arg input file pass phrase source\n"); - BIO_printf(bio_err, " -out arg output file\n"); - BIO_printf(bio_err, - " -passout arg output file pass phrase source\n"); -# ifndef OPENSSL_NO_ENGINE - BIO_printf(bio_err, - " -engine e use engine e, possibly a hardware device.\n"); -# endif - BIO_printf(bio_err, - " -des encrypt PEM output with cbc des\n"); - BIO_printf(bio_err, - " -des3 encrypt PEM output with ede cbc des using 168 bit key\n"); -# ifndef OPENSSL_NO_IDEA - BIO_printf(bio_err, - " -idea encrypt PEM output with cbc idea\n"); -# endif -# ifndef OPENSSL_NO_AES - BIO_printf(bio_err, " -aes128, -aes192, -aes256\n"); - BIO_printf(bio_err, - " encrypt PEM output with cbc aes\n"); -# endif -# ifndef OPENSSL_NO_CAMELLIA - BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n"); - BIO_printf(bio_err, - " encrypt PEM output with cbc camellia\n"); -# endif -# ifndef OPENSSL_NO_SEED - BIO_printf(bio_err, - " -seed encrypt PEM output with cbc seed\n"); -# endif - BIO_printf(bio_err, " -text print the key in text\n"); - BIO_printf(bio_err, " -noout don't print key out\n"); - BIO_printf(bio_err, " -modulus print the DSA public value\n"); - goto end; - } + private = pubin || pubout ? 0 : 1; + if (text && !pubin) + private = 1; - ERR_load_crypto_strings(); - - e = setup_engine(bio_err, engine, 0); - - if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { + if (!app_passwd(passinarg, passoutarg, &passin, &passout)) { BIO_printf(bio_err, "Error getting passwords\n"); goto end; } - in = BIO_new(BIO_s_file()); - out = BIO_new(BIO_s_file()); - if ((in == NULL) || (out == NULL)) { - ERR_print_errors(bio_err); - goto end; - } - - if (infile == NULL) - BIO_set_fp(in, stdin, BIO_NOCLOSE); - else { - if (BIO_read_filename(in, infile) <= 0) { - perror(infile); - goto end; - } - } - BIO_printf(bio_err, "read DSA key\n"); - { EVP_PKEY *pkey; if (pubin) - pkey = load_pubkey(bio_err, infile, informat, 1, - passin, e, "Public Key"); + pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key"); else - pkey = load_key(bio_err, infile, informat, 1, - passin, e, "Private Key"); + pkey = load_key(infile, informat, 1, passin, e, "Private Key"); - if (pkey) { + if (pkey != NULL) { dsa = EVP_PKEY_get1_DSA(pkey); EVP_PKEY_free(pkey); } @@ -281,49 +173,48 @@ int MAIN(int argc, char **argv) goto end; } - if (outfile == NULL) { - BIO_set_fp(out, stdout, BIO_NOCLOSE); -# ifdef OPENSSL_SYS_VMS - { - BIO *tmpbio = BIO_new(BIO_f_linebuffer()); - out = BIO_push(tmpbio, out); - } -# endif - } else { - if (BIO_write_filename(out, outfile) <= 0) { - perror(outfile); - goto end; - } - } + out = bio_open_owner(outfile, outformat, private); + if (out == NULL) + goto end; - if (text) + if (text) { + assert(pubin || private); if (!DSA_print(out, dsa, 0)) { perror(outfile); ERR_print_errors(bio_err); goto end; } + } if (modulus) { - fprintf(stdout, "Public Key="); - BN_print(out, dsa->pub_key); - fprintf(stdout, "\n"); + const BIGNUM *pub_key = NULL; + DSA_get0_key(dsa, &pub_key, NULL); + BIO_printf(out, "Public Key="); + BN_print(out, pub_key); + BIO_printf(out, "\n"); } - if (noout) + if (noout) { + ret = 0; goto end; + } BIO_printf(bio_err, "writing DSA key\n"); if (outformat == FORMAT_ASN1) { - if (pubin || pubout) + if (pubin || pubout) { i = i2d_DSA_PUBKEY_bio(out, dsa); - else + } else { + assert(private); i = i2d_DSAPrivateKey_bio(out, dsa); + } } else if (outformat == FORMAT_PEM) { - if (pubin || pubout) + if (pubin || pubout) { i = PEM_write_bio_DSA_PUBKEY(out, dsa); - else + } else { + assert(private); i = PEM_write_bio_DSAPrivateKey(out, dsa, enc, NULL, 0, NULL, passout); -# if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_RC4) + } +# ifndef OPENSSL_NO_RSA } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) { EVP_PKEY *pk; pk = EVP_PKEY_new(); @@ -331,12 +222,26 @@ int MAIN(int argc, char **argv) goto end; EVP_PKEY_set1_DSA(pk, dsa); - if (outformat == FORMAT_PVK) + if (outformat == FORMAT_PVK) { + if (pubin) { + BIO_printf(bio_err, "PVK form impossible with public key input\n"); + EVP_PKEY_free(pk); + goto end; + } + assert(private); +# ifdef OPENSSL_NO_RC4 + BIO_printf(bio_err, "PVK format not supported\n"); + EVP_PKEY_free(pk); + goto end; +# else i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout); - else if (pubin || pubout) +# endif + } else if (pubin || pubout) { i = i2b_PublicKey_bio(out, pk); - else + } else { + assert(private); i = i2b_PrivateKey_bio(out, pk); + } EVP_PKEY_free(pk); # endif } else { @@ -346,27 +251,15 @@ int MAIN(int argc, char **argv) if (i <= 0) { BIO_printf(bio_err, "unable to write private key\n"); ERR_print_errors(bio_err); - } else - ret = 0; + goto end; + } + ret = 0; end: - if (in != NULL) - BIO_free(in); - if (out != NULL) - BIO_free_all(out); - if (dsa != NULL) - DSA_free(dsa); + BIO_free_all(out); + DSA_free(dsa); release_engine(e); - if (passin) - OPENSSL_free(passin); - if (passout) - OPENSSL_free(passout); - apps_shutdown(); - OPENSSL_EXIT(ret); + OPENSSL_free(passin); + OPENSSL_free(passout); + return ret; } -#else /* !OPENSSL_NO_DSA */ - -# if PEDANTIC -static void *dummy = &dummy; -# endif - #endif |