| /* apps/dsa.c */ |
| /* 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> |
| |
| # undef PROG |
| # define PROG dsa_main |
| |
| /*- |
| * -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 **); |
| |
| 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; |
| # ifndef OPENSSL_NO_ENGINE |
| char *engine; |
| # endif |
| char *passargin = NULL, *passargout = NULL; |
| char *passin = NULL, *passout = NULL; |
| int modulus = 0; |
| |
| 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; |
| |
| # ifndef OPENSSL_NO_ENGINE |
| engine = NULL; |
| # endif |
| 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) |
| 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] <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; |
| } |
| |
| ERR_load_crypto_strings(); |
| |
| # ifndef OPENSSL_NO_ENGINE |
| e = setup_engine(bio_err, engine, 0); |
| # endif |
| |
| if (!app_passwd(bio_err, passargin, passargout, &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"); |
| else |
| pkey = load_key(bio_err, 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; |
| } |
| |
| 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) |
| 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"); |
| } |
| |
| 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); |
| # 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); |
| } 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); |
| apps_shutdown(); |
| OPENSSL_EXIT(ret); |
| } |
| #else /* !OPENSSL_NO_DSA */ |
| |
| # if PEDANTIC |
| static void *dummy = &dummy; |
| # endif |
| |
| #endif |
