| /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| * 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.] |
| */ |
| |
| #include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */ |
| #ifndef OPENSSL_NO_DSA |
| # include <stdio.h> |
| # include <stdlib.h> |
| # include <string.h> |
| # include <time.h> |
| # include "apps.h" |
| # include <openssl/bio.h> |
| # include <openssl/err.h> |
| # include <openssl/dsa.h> |
| # include <openssl/evp.h> |
| # include <openssl/x509.h> |
| # include <openssl/pem.h> |
| # include <openssl/bn.h> |
| |
| typedef enum OPTION_choice { |
| OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, |
| OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, |
| OPT_ENGINE, OPT_PVK_STRONG, OPT_PVK_WEAK, |
| OPT_PVK_NONE, OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_PUBIN, |
| OPT_PUBOUT, OPT_CIPHER, OPT_PASSIN, OPT_PASSOUT |
| } OPTION_CHOICE; |
| |
| 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"}, |
| # ifndef OPENSSL_NO_ENGINE |
| {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"}, |
| # endif |
| {"in", OPT_IN, '<', "Input file"}, |
| {"out", OPT_OUT, '>', "Output file"}, |
| {"pvk-strong", OPT_PVK_STRONG, '-'}, |
| {"pvk-weak", OPT_PVK_WEAK, '-'}, |
| {"pvk-none", OPT_PVK_NONE, '-'}, |
| {"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, '-'}, |
| {"pubout", OPT_PUBOUT, '-'}, |
| {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, |
| {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"}, |
| {"", OPT_CIPHER, '-', "Any supported cipher"}, |
| {NULL} |
| }; |
| |
| 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, pvk_encr = 2, ret = 1; |
| |
| prog = opt_init(argc, argv, dsa_options); |
| while ((o = opt_next()) != OPT_EOF) { |
| switch (o) { |
| case OPT_EOF: |
| case OPT_ERR: |
| #ifdef OPENSSL_NO_RC4 |
| case OPT_PVK_STRONG: |
| case OPT_PVK_WEAK: |
| case OPT_PVK_NONE: |
| #endif |
| 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_PEMDER | OPT_FMT_PVK, &informat)) |
| goto opthelp; |
| break; |
| case OPT_IN: |
| infile = opt_arg(); |
| break; |
| case OPT_OUTFORM: |
| if (!opt_format |
| (opt_arg(), OPT_FMT_PEMDER | OPT_FMT_PVK, &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; |
| #ifndef OPENSSL_NO_RC4 |
| case OPT_PVK_STRONG: |
| pvk_encr = 2; |
| break; |
| case OPT_PVK_WEAK: |
| pvk_encr = 1; |
| break; |
| case OPT_PVK_NONE: |
| pvk_encr = 0; |
| break; |
| #endif |
| 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(); |
| argv = opt_rest(); |
| |
| if (!app_passwd(passinarg, passoutarg, &passin, &passout)) { |
| BIO_printf(bio_err, "Error getting passwords\n"); |
| goto end; |
| } |
| |
| BIO_printf(bio_err, "read DSA key\n"); |
| { |
| EVP_PKEY *pkey; |
| |
| if (pubin) |
| pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key"); |
| else |
| pkey = load_key(infile, informat, 1, passin, e, "Private Key"); |
| |
| if (pkey) { |
| 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; |
| } |
| |
| out = bio_open_default(outfile, "w"); |
| if (out == NULL) |
| goto end; |
| |
| if (text) |
| if (!DSA_print(out, dsa, 0)) { |
| perror(outfile); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| |
| if (modulus) { |
| BIO_printf(out, "Public Key="); |
| BN_print(out, dsa->pub_key); |
| BIO_printf(out, "\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 |
| 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); |
| # if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_RC4) |
| } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) { |
| EVP_PKEY *pk; |
| pk = EVP_PKEY_new(); |
| EVP_PKEY_set1_DSA(pk, dsa); |
| if (outformat == FORMAT_PVK) |
| i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout); |
| else if (pubin || pubout) |
| i = i2b_PublicKey_bio(out, pk); |
| else |
| 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); |
| if (passin) |
| OPENSSL_free(passin); |
| if (passout) |
| OPENSSL_free(passout); |
| return (ret); |
| } |
| #else /* !OPENSSL_NO_DSA */ |
| |
| # if PEDANTIC |
| static void *dummy = &dummy; |
| # endif |
| |
| #endif |
