-/* 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>
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_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;
-OPTIONS dsa_options[] = {
+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"},
-# ifndef OPENSSL_NO_ENGINE
- {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
-# endif
- {"in", OPT_IN, '<', "Input file"},
+ {"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"},
- {"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, '-'},
+ {"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}
};
DSA *dsa = NULL;
ENGINE *e = NULL;
const EVP_CIPHER *enc = NULL;
- char *engine = NULL, *infile = NULL, *outfile = NULL, *prog;
- char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg =
- 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;
+ int i, modulus = 0, pubin = 0, pubout = 0, ret = 1;
+# ifndef OPENSSL_NO_RC4
+ int pvk_encr = 2;
+# endif
+ int private = 0;
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);
ret = 0;
goto end;
case OPT_INFORM:
- if (!opt_format
- (opt_arg(), OPT_FMT_PEMDER | OPT_FMT_PVK, &informat))
+ 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_PEMDER | OPT_FMT_PVK, &outformat))
+ if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat))
goto opthelp;
break;
case OPT_OUT:
outfile = opt_arg();
break;
case OPT_ENGINE:
- engine = opt_arg();
+ e = setup_engine(opt_arg(), 0);
break;
case OPT_PASSIN:
passinarg = opt_arg();
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
- case OPT_PVK_STRONG:
- pvk_encr = 2;
- break;
- case OPT_PVK_WEAK:
- pvk_encr = 1;
- break;
- case OPT_PVK_NONE:
- pvk_encr = 0;
- break;
+ pvk_encr = (o - OPT_PVK_NONE);
#endif
+ break;
case OPT_NOOUT:
noout = 1;
break;
}
}
argc = opt_num_rest();
- argv = opt_rest();
+ if (argc != 0)
+ goto opthelp;
-# ifndef OPENSSL_NO_ENGINE
- e = setup_engine(engine, 0);
-# endif
+ private = pubin || pubout ? 0 : 1;
+ if (text && !pubin)
+ private = 1;
if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
BIO_printf(bio_err, "Error getting passwords\n");
else
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);
}
goto end;
}
- out = bio_open_default(outfile, "w");
+ 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) {
+ const BIGNUM *pub_key = NULL;
+ DSA_get0_key(dsa, &pub_key, NULL);
BIO_printf(out, "Public Key=");
- BN_print(out, dsa->pub_key);
+ BN_print(out, pub_key);
BIO_printf(out, "\n");
}
}
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();
+ if (pk == NULL)
+ 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 {
end:
BIO_free_all(out);
DSA_free(dsa);
- if (passin)
- OPENSSL_free(passin);
- if (passout)
- OPENSSL_free(passout);
- return (ret);
+ release_engine(e);
+ OPENSSL_free(passin);
+ OPENSSL_free(passout);
+ return ret;
}
-#else /* !OPENSSL_NO_DSA */
-
-# if PEDANTIC
-static void *dummy = &dummy;
-# endif
-
#endif