2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
59 #ifndef OPENSSL_NO_DSA
65 #include <openssl/bio.h>
66 #include <openssl/err.h>
67 #include <openssl/dsa.h>
68 #include <openssl/evp.h>
69 #include <openssl/x509.h>
70 #include <openssl/pem.h>
75 /* -inform arg - input format - default PEM (one of DER, NET or PEM)
76 * -outform arg - output format - default PEM
77 * -in arg - input file - default stdin
78 * -out arg - output file - default stdout
79 * -des - encrypt output if PEM format with DES in cbc mode
80 * -des3 - encrypt output if PEM format
81 * -idea - encrypt output if PEM format
82 * -text - print a text version
83 * -modulus - print the DSA public key
86 int MAIN(int, char **);
88 int MAIN(int argc, char **argv)
94 const EVP_CIPHER *enc=NULL;
95 BIO *in=NULL,*out=NULL;
96 int informat,outformat,text=0,noout=0;
97 int pubin = 0, pubout = 0;
98 char *infile,*outfile,*prog,*engine;
99 char *passargin = NULL, *passargout = NULL;
100 char *passin = NULL, *passout = NULL;
106 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
107 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
113 outformat=FORMAT_PEM;
120 if (strcmp(*argv,"-inform") == 0)
122 if (--argc < 1) goto bad;
123 informat=str2fmt(*(++argv));
125 else if (strcmp(*argv,"-outform") == 0)
127 if (--argc < 1) goto bad;
128 outformat=str2fmt(*(++argv));
130 else if (strcmp(*argv,"-in") == 0)
132 if (--argc < 1) goto bad;
135 else if (strcmp(*argv,"-out") == 0)
137 if (--argc < 1) goto bad;
140 else if (strcmp(*argv,"-passin") == 0)
142 if (--argc < 1) goto bad;
143 passargin= *(++argv);
145 else if (strcmp(*argv,"-passout") == 0)
147 if (--argc < 1) goto bad;
148 passargout= *(++argv);
150 else if (strcmp(*argv,"-engine") == 0)
152 if (--argc < 1) goto bad;
155 else if (strcmp(*argv,"-noout") == 0)
157 else if (strcmp(*argv,"-text") == 0)
159 else if (strcmp(*argv,"-modulus") == 0)
161 else if (strcmp(*argv,"-pubin") == 0)
163 else if (strcmp(*argv,"-pubout") == 0)
165 else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
167 BIO_printf(bio_err,"unknown option %s\n",*argv);
178 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
179 BIO_printf(bio_err,"where options are\n");
180 BIO_printf(bio_err," -inform arg input format - DER or PEM\n");
181 BIO_printf(bio_err," -outform arg output format - DER or PEM\n");
182 BIO_printf(bio_err," -in arg input file\n");
183 BIO_printf(bio_err," -passin arg input file pass phrase source\n");
184 BIO_printf(bio_err," -out arg output file\n");
185 BIO_printf(bio_err," -passout arg output file pass phrase source\n");
186 BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
187 BIO_printf(bio_err," -des encrypt PEM output with cbc des\n");
188 BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n");
189 #ifndef OPENSSL_NO_IDEA
190 BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\n");
192 BIO_printf(bio_err," -text print the key in text\n");
193 BIO_printf(bio_err," -noout don't print key out\n");
194 BIO_printf(bio_err," -modulus print the DSA public value\n");
198 ERR_load_crypto_strings();
200 e = setup_engine(bio_err, engine, 0);
202 if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
203 BIO_printf(bio_err, "Error getting passwords\n");
207 in=BIO_new(BIO_s_file());
208 out=BIO_new(BIO_s_file());
209 if ((in == NULL) || (out == NULL))
211 ERR_print_errors(bio_err);
216 BIO_set_fp(in,stdin,BIO_NOCLOSE);
219 if (BIO_read_filename(in,infile) <= 0)
226 BIO_printf(bio_err,"read DSA key\n");
227 if (informat == FORMAT_ASN1) {
228 if(pubin) dsa=d2i_DSA_PUBKEY_bio(in,NULL);
229 else dsa=d2i_DSAPrivateKey_bio(in,NULL);
230 } else if (informat == FORMAT_PEM) {
231 if(pubin) dsa=PEM_read_bio_DSA_PUBKEY(in,NULL, NULL, NULL);
232 else dsa=PEM_read_bio_DSAPrivateKey(in,NULL,NULL,passin);
235 BIO_printf(bio_err,"bad input format specified for key\n");
240 BIO_printf(bio_err,"unable to load Key\n");
241 ERR_print_errors(bio_err);
247 BIO_set_fp(out,stdout,BIO_NOCLOSE);
248 #ifdef OPENSSL_SYS_VMS
250 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
251 out = BIO_push(tmpbio, out);
257 if (BIO_write_filename(out,outfile) <= 0)
265 if (!DSA_print(out,dsa,0))
268 ERR_print_errors(bio_err);
274 fprintf(stdout,"Public Key=");
275 BN_print(out,dsa->pub_key);
276 fprintf(stdout,"\n");
280 BIO_printf(bio_err,"writing DSA key\n");
281 if (outformat == FORMAT_ASN1) {
282 if(pubin || pubout) i=i2d_DSA_PUBKEY_bio(out,dsa);
283 else i=i2d_DSAPrivateKey_bio(out,dsa);
284 } else if (outformat == FORMAT_PEM) {
286 i=PEM_write_bio_DSA_PUBKEY(out,dsa);
287 else i=PEM_write_bio_DSAPrivateKey(out,dsa,enc,
288 NULL,0,NULL, passout);
290 BIO_printf(bio_err,"bad output format specified for outfile\n");
295 BIO_printf(bio_err,"unable to write private key\n");
296 ERR_print_errors(bio_err);
301 if(in != NULL) BIO_free(in);
302 if(out != NULL) BIO_free_all(out);
303 if(dsa != NULL) DSA_free(dsa);
304 if(passin) OPENSSL_free(passin);
305 if(passout) OPENSSL_free(passout);