X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=apps%2Fdsa.c;h=6022e64cd4cebecbb710f4dbaa85e0e6a235ddca;hp=4f45edac6bf4986db85ceca514e8b23ab4162551;hb=46c853e03a797946326c030462d708e312f36c4a;hpb=531d630b5cfe0c50de122f0387a65473b4746bf8 diff --git a/apps/dsa.c b/apps/dsa.c index 4f45edac6b..6022e64cd4 100644 --- a/apps/dsa.c +++ b/apps/dsa.c @@ -1,309 +1,265 @@ -/* 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 */ -#ifndef OPENSSL_NO_DSA -#include -#include -#include -#include -#include "apps.h" -#include -#include -#include -#include -#include -#include -#include +#include +#ifdef OPENSSL_NO_DSA +NON_EMPTY_TRANSLATION_UNIT +#else -#undef PROG -#define PROG dsa_main +# include +# include +# include +# include +# include "apps.h" +# include "progs.h" +# include +# include +# include +# include +# include +# include +# include -/* -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 - * -text - print a text version - * -modulus - print the DSA public key - */ - -int MAIN(int, char **); - -int MAIN(int argc, char **argv) - { - ENGINE *e = NULL; - int ret=1; - DSA *dsa=NULL; - int i,badops=0; - 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,*engine; - char *passargin = NULL, *passargout = NULL; - char *passin = NULL, *passout = NULL; - int modulus=0; +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; - apps_startup(); +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} +}; - if (bio_err == NULL) - if ((bio_err=BIO_new(BIO_s_file())) != NULL) - BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); +int dsa_main(int argc, char **argv) +{ + BIO *out = NULL; + DSA *dsa = NULL; + ENGINE *e = NULL; + const EVP_CIPHER *enc = NULL; + 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; +# endif + int private = 0; - 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); - } - else if (strcmp(*argv,"-engine") == 0) - { - if (--argc < 1) goto bad; - engine= *(++argv); - } - else if (strcmp(*argv,"-noout") == 0) - noout=1; - else if (strcmp(*argv,"-text") == 0) - text=1; - else if (strcmp(*argv,"-modulus") == 0) - modulus=1; - else if (strcmp(*argv,"-pubin") == 0) - pubin=1; - else if (strcmp(*argv,"-pubout") == 0) - pubout=1; - else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL) - { - BIO_printf(bio_err,"unknown option %s\n",*argv); - badops=1; - break; - } - argc--; - argv++; - } - - if (badops) - { -bad: - BIO_printf(bio_err,"%s [options] 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"); - BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); - 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"); + 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 - 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; - } + break; + case OPT_NOOUT: + noout = 1; + break; + case OPT_TEXT: + text = 1; + break; + case OPT_MODULUS: + modulus = 1; + break; + case OPT_PUBIN: + pubin = 1; + break; + case OPT_PUBOUT: + pubout = 1; + break; + case OPT_CIPHER: + if (!opt_cipher(opt_unknown(), &enc)) + goto end; + break; + } + } + argc = opt_num_rest(); + if (argc != 0) + goto opthelp; - ERR_load_crypto_strings(); + private = pubin || pubout ? 0 : 1; + if (text && !pubin) + private = 1; - e = ENGINE_setup(engine, bio_err); + if (!app_passwd(passinarg, passoutarg, &passin, &passout)) { + BIO_printf(bio_err, "Error getting passwords\n"); + goto end; + } - if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { - BIO_printf(bio_err, "Error getting passwords\n"); - goto end; - } + BIO_printf(bio_err, "read DSA key\n"); + { + EVP_PKEY *pkey; - 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 (pubin) + pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key"); + else + pkey = load_key(infile, informat, 1, passin, e, "Private Key"); - if (infile == NULL) - BIO_set_fp(in,stdin,BIO_NOCLOSE); - else - { - if (BIO_read_filename(in,infile) <= 0) - { - perror(infile); - goto end; - } - } + if (pkey != NULL) { + dsa = EVP_PKEY_get1_DSA(pkey); + EVP_PKEY_free(pkey); + } + } + if (dsa == NULL) { + BIO_printf(bio_err, "unable to load Key\n"); + ERR_print_errors(bio_err); + goto end; + } - BIO_printf(bio_err,"read DSA key\n"); - if (informat == FORMAT_ASN1) { - if(pubin) dsa=d2i_DSA_PUBKEY_bio(in,NULL); - else dsa=d2i_DSAPrivateKey_bio(in,NULL); - } else if (informat == FORMAT_PEM) { - if(pubin) dsa=PEM_read_bio_DSA_PUBKEY(in,NULL, NULL, NULL); - else dsa=PEM_read_bio_DSAPrivateKey(in,NULL,NULL,passin); - } else - { - BIO_printf(bio_err,"bad input format specified for key\n"); - goto end; - } - if (dsa == NULL) - { - BIO_printf(bio_err,"unable to load Key\n"); - ERR_print_errors(bio_err); - goto end; - } + out = bio_open_owner(outfile, outformat, private); + if (out == NULL) + 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; - } - } + if (text) { + assert(pubin || private); + if (!DSA_print(out, dsa, 0)) { + perror(outfile); + ERR_print_errors(bio_err); + goto end; + } + } - if (text) - if (!DSA_print(out,dsa,0)) - { - perror(outfile); - ERR_print_errors(bio_err); - goto end; - } + if (modulus) { + 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 (modulus) - { - fprintf(stdout,"Public Key="); - BN_print(out,dsa->pub_key); - fprintf(stdout,"\n"); - } + if (noout) { + ret = 0; + goto end; + } + BIO_printf(bio_err, "writing DSA key\n"); + if (outformat == FORMAT_ASN1) { + if (pubin || pubout) { + i = i2d_DSA_PUBKEY_bio(out, dsa); + } else { + assert(private); + i = i2d_DSAPrivateKey_bio(out, dsa); + } + } else if (outformat == FORMAT_PEM) { + if (pubin || pubout) { + i = PEM_write_bio_DSA_PUBKEY(out, dsa); + } else { + assert(private); + i = PEM_write_bio_DSAPrivateKey(out, dsa, enc, + NULL, 0, NULL, passout); + } +# ifndef OPENSSL_NO_RSA + } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) { + EVP_PKEY *pk; + pk = EVP_PKEY_new(); + if (pk == NULL) + goto end; - if (noout) goto end; - BIO_printf(bio_err,"writing DSA key\n"); - if (outformat == FORMAT_ASN1) { - if(pubin || pubout) i=i2d_DSA_PUBKEY_bio(out,dsa); - else i=i2d_DSAPrivateKey_bio(out,dsa); - } else if (outformat == FORMAT_PEM) { - if(pubin || pubout) - i=PEM_write_bio_DSA_PUBKEY(out,dsa); - else i=PEM_write_bio_DSAPrivateKey(out,dsa,enc, - NULL,0,NULL, passout); - } else { - BIO_printf(bio_err,"bad output format specified for outfile\n"); - goto end; - } - if (!i) - { - BIO_printf(bio_err,"unable to write private key\n"); - ERR_print_errors(bio_err); - } - else - ret=0; -end: - if(in != NULL) BIO_free(in); - if(out != NULL) BIO_free_all(out); - if(dsa != NULL) DSA_free(dsa); - if(passin) OPENSSL_free(passin); - if(passout) OPENSSL_free(passout); - EXIT(ret); - } + EVP_PKEY_set1_DSA(pk, dsa); + 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); +# endif + } else if (pubin || pubout) { + i = i2b_PublicKey_bio(out, pk); + } else { + assert(private); + i = i2b_PrivateKey_bio(out, pk); + } + EVP_PKEY_free(pk); +# endif + } else { + BIO_printf(bio_err, "bad output format specified for outfile\n"); + goto end; + } + if (i <= 0) { + BIO_printf(bio_err, "unable to write private key\n"); + ERR_print_errors(bio_err); + goto end; + } + ret = 0; + end: + BIO_free_all(out); + DSA_free(dsa); + release_engine(e); + OPENSSL_free(passin); + OPENSSL_free(passout); + return ret; +} #endif