2 /* Copyright (C) 1995-1997 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.]
73 #define PROG dsaparam_main
75 /* -inform arg - input format - default PEM (one of DER, TXT or PEM)
76 * -outform arg - output format - default PEM
77 * -in arg - input file - default stdin
78 * -out arg - output file - default stdout
86 static void MS_CALLBACK dsa_cb(int p, int n);
88 static void MS_CALLBACK dsa_cb();
96 int i,badops=0,text=0;
97 BIO *in=NULL,*out=NULL;
98 int informat,outformat,noout=0,C=0,ret=1;
99 char *infile,*outfile,*prog,*inrand=NULL;
101 char buffer[200],*randfile=NULL;
106 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
107 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE);
112 outformat=FORMAT_PEM;
119 if (strcmp(*argv,"-inform") == 0)
121 if (--argc < 1) goto bad;
122 informat=str2fmt(*(++argv));
124 else if (strcmp(*argv,"-outform") == 0)
126 if (--argc < 1) goto bad;
127 outformat=str2fmt(*(++argv));
129 else if (strcmp(*argv,"-in") == 0)
131 if (--argc < 1) goto bad;
134 else if (strcmp(*argv,"-out") == 0)
136 if (--argc < 1) goto bad;
139 else if (strcmp(*argv,"-text") == 0)
141 else if (strcmp(*argv,"-C") == 0)
143 else if (strcmp(*argv,"-rand") == 0)
145 if (--argc < 1) goto bad;
148 else if (strcmp(*argv,"-noout") == 0)
150 else if (sscanf(*argv,"%d",&num) == 1)
157 BIO_printf(bio_err,"unknown option %s\n",*argv);
168 BIO_printf(bio_err,"%s [options] [bits] <infile >outfile\n",prog);
169 BIO_printf(bio_err,"where options are\n");
170 BIO_printf(bio_err," -inform arg input format - one of DER TXT PEM\n");
171 BIO_printf(bio_err," -outform arg output format - one of DER TXT PEM\n");
172 BIO_printf(bio_err," -in arg inout file\n");
173 BIO_printf(bio_err," -out arg output file\n");
174 BIO_printf(bio_err," -text check the DSA parameters\n");
175 BIO_printf(bio_err," -C Output C code\n");
176 BIO_printf(bio_err," -noout no output\n");
177 BIO_printf(bio_err," -rand files to use for random number input\n");
178 BIO_printf(bio_err," number number of bits to use for generating private key\n");
182 ERR_load_crypto_strings();
184 in=BIO_new(BIO_s_file());
185 out=BIO_new(BIO_s_file());
186 if ((in == NULL) || (out == NULL))
188 ERR_print_errors(bio_err);
193 BIO_set_fp(in,stdin,BIO_NOCLOSE);
196 if (BIO_read_filename(in,infile) <= 0)
203 BIO_set_fp(out,stdout,BIO_NOCLOSE);
206 if (BIO_write_filename(out,outfile) <= 0)
215 randfile=RAND_file_name(buffer,200);
216 RAND_load_file(randfile,1024L*1024L);
218 BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\n",num);
219 BIO_printf(bio_err,"This could take some time\n");
220 dsa=DSA_generate_parameters(num,NULL,0,NULL,NULL,dsa_cb);
222 else if (informat == FORMAT_ASN1)
223 dsa=d2i_DSAparams_bio(in,NULL);
224 else if (informat == FORMAT_PEM)
225 dsa=PEM_read_bio_DSAparams(in,NULL,NULL);
228 BIO_printf(bio_err,"bad input format specified\n");
233 BIO_printf(bio_err,"unable to load DSA parameters\n");
234 ERR_print_errors(bio_err);
240 DSAparams_print(out,dsa);
246 int l,len,bits_p,bits_q,bits_g;
248 len=BN_num_bytes(dsa->p);
249 bits_p=BN_num_bits(dsa->p);
250 bits_q=BN_num_bits(dsa->q);
251 bits_g=BN_num_bits(dsa->g);
252 data=(unsigned char *)Malloc(len+20);
258 l=BN_bn2bin(dsa->p,data);
259 printf("static unsigned char dsa%d_p[]={",bits_p);
262 if ((i%12) == 0) printf("\n\t");
263 printf("0x%02X,",data[i]);
267 l=BN_bn2bin(dsa->q,data);
268 printf("static unsigned char dsa%d_q[]={",bits_p);
271 if ((i%12) == 0) printf("\n\t");
272 printf("0x%02X,",data[i]);
276 l=BN_bn2bin(dsa->g,data);
277 printf("static unsigned char dsa%d_g[]={",bits_p);
280 if ((i%12) == 0) printf("\n\t");
281 printf("0x%02X,",data[i]);
283 printf("\n\t};\n\n");
285 printf("DSA *get_dsa%d()\n\t{\n",bits_p);
286 printf("\tDSA *dsa;\n\n");
287 printf("\tif ((dsa=DSA_new()) == NULL) return(NULL);\n");
288 printf("\tdsa->p=BN_bin2bn(dsa%d_p,sizeof(dsa%d_p),NULL);\n",
290 printf("\tdsa->q=BN_bin2bn(dsa%d_q,sizeof(dsa%d_q),NULL);\n",
292 printf("\tdsa->g=BN_bin2bn(dsa%d_g,sizeof(dsa%d_g),NULL);\n",
294 printf("\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))\n");
295 printf("\t\treturn(NULL);\n");
296 printf("\treturn(dsa);\n\t}\n");
302 if (outformat == FORMAT_ASN1)
303 i=i2d_DSAparams_bio(out,dsa);
304 else if (outformat == FORMAT_PEM)
305 i=PEM_write_bio_DSAparams(out,dsa);
307 BIO_printf(bio_err,"bad output format specified for outfile\n");
312 BIO_printf(bio_err,"unable to write DSA paramaters\n");
313 ERR_print_errors(bio_err);
319 if (in != NULL) BIO_free(in);
320 if (out != NULL) BIO_free(out);
321 if (dsa != NULL) DSA_free(dsa);
325 static void MS_CALLBACK dsa_cb(p, n)
335 BIO_write(bio_err,&c,1);