2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 #include <openssl/opensslconf.h>
12 NON_EMPTY_TRANSLATION_UNIT
20 # include <openssl/bio.h>
21 # include <openssl/err.h>
22 # include <openssl/dsa.h>
23 # include <openssl/evp.h>
24 # include <openssl/x509.h>
25 # include <openssl/pem.h>
26 # include <openssl/bn.h>
28 typedef enum OPTION_choice {
29 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
30 OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT,
31 OPT_ENGINE, OPT_PVK_STRONG, OPT_PVK_WEAK,
32 OPT_PVK_NONE, OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_PUBIN,
33 OPT_PUBOUT, OPT_CIPHER, OPT_PASSIN, OPT_PASSOUT
36 OPTIONS dsa_options[] = {
37 {"help", OPT_HELP, '-', "Display this summary"},
38 {"inform", OPT_INFORM, 'f', "Input format, DER PEM PVK"},
39 {"outform", OPT_OUTFORM, 'F', "Output format, DER PEM PVK"},
40 {"in", OPT_IN, 's', "Input key"},
41 {"out", OPT_OUT, '>', "Output file"},
42 {"noout", OPT_NOOUT, '-', "Don't print key out"},
43 {"text", OPT_TEXT, '-', "Print the key in text"},
44 {"modulus", OPT_MODULUS, '-', "Print the DSA public value"},
45 {"pubin", OPT_PUBIN, '-', "Expect a public key in input file"},
46 {"pubout", OPT_PUBOUT, '-', "Output public key, not private"},
47 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
48 {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
49 {"", OPT_CIPHER, '-', "Any supported cipher"},
50 # ifndef OPENSSL_NO_RC4
51 {"pvk-strong", OPT_PVK_STRONG, '-'},
52 {"pvk-weak", OPT_PVK_WEAK, '-'},
53 {"pvk-none", OPT_PVK_NONE, '-'},
55 # ifndef OPENSSL_NO_ENGINE
56 {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
61 int dsa_main(int argc, char **argv)
66 const EVP_CIPHER *enc = NULL;
67 char *infile = NULL, *outfile = NULL, *prog;
68 char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL;
70 int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, noout = 0;
71 int i, modulus = 0, pubin = 0, pubout = 0, ret = 1;
72 # ifndef OPENSSL_NO_RC4
77 prog = opt_init(argc, argv, dsa_options);
78 while ((o = opt_next()) != OPT_EOF) {
84 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
87 opt_help(dsa_options);
91 if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
99 (opt_arg(), OPT_FMT_PEMDER | OPT_FMT_PVK, &outformat))
106 e = setup_engine(opt_arg(), 0);
109 passinarg = opt_arg();
112 passoutarg = opt_arg();
114 #ifndef OPENSSL_NO_RC4
146 if (!opt_cipher(opt_unknown(), &enc))
151 argc = opt_num_rest();
155 private = pubin || pubout ? 0 : 1;
159 if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
160 BIO_printf(bio_err, "Error getting passwords\n");
164 BIO_printf(bio_err, "read DSA key\n");
169 pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key");
171 pkey = load_key(infile, informat, 1, passin, e, "Private Key");
174 dsa = EVP_PKEY_get1_DSA(pkey);
179 BIO_printf(bio_err, "unable to load Key\n");
180 ERR_print_errors(bio_err);
184 out = bio_open_owner(outfile, outformat, private);
189 assert(pubin || private);
190 if (!DSA_print(out, dsa, 0)) {
192 ERR_print_errors(bio_err);
198 const BIGNUM *pub_key = NULL;
199 DSA_get0_key(dsa, &pub_key, NULL);
200 BIO_printf(out, "Public Key=");
201 BN_print(out, pub_key);
202 BIO_printf(out, "\n");
209 BIO_printf(bio_err, "writing DSA key\n");
210 if (outformat == FORMAT_ASN1) {
212 i = i2d_DSA_PUBKEY_bio(out, dsa);
215 i = i2d_DSAPrivateKey_bio(out, dsa);
217 } else if (outformat == FORMAT_PEM) {
219 i = PEM_write_bio_DSA_PUBKEY(out, dsa);
222 i = PEM_write_bio_DSAPrivateKey(out, dsa, enc,
223 NULL, 0, NULL, passout);
225 # if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_RC4)
226 } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) {
229 EVP_PKEY_set1_DSA(pk, dsa);
230 if (outformat == FORMAT_PVK) {
232 BIO_printf(bio_err, "PVK form impossible with public key input\n");
237 i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout);
239 else if (pubin || pubout)
240 i = i2b_PublicKey_bio(out, pk);
243 i = i2b_PrivateKey_bio(out, pk);
248 BIO_printf(bio_err, "bad output format specified for outfile\n");
252 BIO_printf(bio_err, "unable to write private key\n");
253 ERR_print_errors(bio_err);
260 OPENSSL_free(passin);
261 OPENSSL_free(passout);