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.]
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 argc, char **argv)
91 const EVP_CIPHER *enc=NULL;
92 BIO *in=NULL,*out=NULL;
93 int informat,outformat,text=0,noout=0;
94 int pubin = 0, pubout = 0;
95 char *infile,*outfile,*prog;
101 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
102 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
107 outformat=FORMAT_PEM;
114 if (strcmp(*argv,"-inform") == 0)
116 if (--argc < 1) goto bad;
117 informat=str2fmt(*(++argv));
119 else if (strcmp(*argv,"-outform") == 0)
121 if (--argc < 1) goto bad;
122 outformat=str2fmt(*(++argv));
124 else if (strcmp(*argv,"-in") == 0)
126 if (--argc < 1) goto bad;
129 else if (strcmp(*argv,"-out") == 0)
131 if (--argc < 1) goto bad;
134 else if (strcmp(*argv,"-noout") == 0)
136 else if (strcmp(*argv,"-text") == 0)
138 else if (strcmp(*argv,"-modulus") == 0)
140 else if (strcmp(*argv,"-pubin") == 0)
142 else if (strcmp(*argv,"-pubout") == 0)
144 else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
146 BIO_printf(bio_err,"unknown option %s\n",*argv);
157 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
158 BIO_printf(bio_err,"where options are\n");
159 BIO_printf(bio_err," -inform arg input format - DER or PEM\n");
160 BIO_printf(bio_err," -outform arg output format - DER or PEM\n");
161 BIO_printf(bio_err," -in arg input file\n");
162 BIO_printf(bio_err," -out arg output file\n");
163 BIO_printf(bio_err," -des encrypt PEM output with cbc des\n");
164 BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n");
166 BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\n");
168 BIO_printf(bio_err," -text print the key in text\n");
169 BIO_printf(bio_err," -noout don't print key out\n");
170 BIO_printf(bio_err," -modulus print the DSA public value\n");
174 ERR_load_crypto_strings();
176 in=BIO_new(BIO_s_file());
177 out=BIO_new(BIO_s_file());
178 if ((in == NULL) || (out == NULL))
180 ERR_print_errors(bio_err);
185 BIO_set_fp(in,stdin,BIO_NOCLOSE);
188 if (BIO_read_filename(in,infile) <= 0)
195 BIO_printf(bio_err,"read DSA key\n");
196 if (informat == FORMAT_ASN1) {
197 if(pubin) dsa=d2i_DSAPublicKey_bio(in,NULL);
198 else dsa=d2i_DSAPrivateKey_bio(in,NULL);
199 } else if (informat == FORMAT_PEM) {
200 if(pubin) dsa=PEM_read_bio_DSAPublicKey(in,NULL, NULL, NULL);
201 else dsa=PEM_read_bio_DSAPrivateKey(in,NULL,NULL,NULL);
204 BIO_printf(bio_err,"bad input format specified for key\n");
209 BIO_printf(bio_err,"unable to load Key\n");
210 ERR_print_errors(bio_err);
215 BIO_set_fp(out,stdout,BIO_NOCLOSE);
218 if (BIO_write_filename(out,outfile) <= 0)
226 if (!DSA_print(out,dsa,0))
229 ERR_print_errors(bio_err);
235 fprintf(stdout,"Public Key=");
236 BN_print(out,dsa->pub_key);
237 fprintf(stdout,"\n");
241 BIO_printf(bio_err,"writing DSA key\n");
242 if (outformat == FORMAT_ASN1) {
243 if(pubin || pubout) i=i2d_DSAPublicKey_bio(out,dsa);
244 else i=i2d_DSAPrivateKey_bio(out,dsa);
245 } else if (outformat == FORMAT_PEM) {
247 i=PEM_write_bio_DSAPublicKey(out,dsa);
248 else i=PEM_write_bio_DSAPrivateKey(out,dsa,enc,NULL,0,NULL,NULL);
250 BIO_printf(bio_err,"bad output format specified for outfile\n");
255 BIO_printf(bio_err,"unable to write private key\n");
256 ERR_print_errors(bio_err);
261 if (in != NULL) BIO_free(in);
262 if (out != NULL) BIO_free(out);
263 if (dsa != NULL) DSA_free(dsa);