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diff --git a/src/lib/libcrypto/asn1/t_pkey.c b/src/lib/libcrypto/asn1/t_pkey.c
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1/* crypto/asn1/t_pkey.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
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.
8 *
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).
15 *
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.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
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)"
40 *
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
51 * SUCH DAMAGE.
52 *
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.]
57 */
58
59#include <stdio.h>
60#include "cryptlib.h"
61#include <openssl/buffer.h>
62#include <openssl/bn.h>
63#ifndef NO_RSA
64#include <openssl/rsa.h>
65#endif
66#ifndef NO_DH
67#include <openssl/dh.h>
68#endif
69#ifndef NO_DSA
70#include <openssl/dsa.h>
71#endif
72
73static int print(BIO *fp,const char *str,BIGNUM *num,
74 unsigned char *buf,int off);
75#ifndef NO_RSA
76#ifndef NO_FP_API
77int RSA_print_fp(FILE *fp, RSA *x, int off)
78 {
79 BIO *b;
80 int ret;
81
82 if ((b=BIO_new(BIO_s_file())) == NULL)
83 {
84 RSAerr(RSA_F_RSA_PRINT_FP,ERR_R_BUF_LIB);
85 return(0);
86 }
87 BIO_set_fp(b,fp,BIO_NOCLOSE);
88 ret=RSA_print(b,x,off);
89 BIO_free(b);
90 return(ret);
91 }
92#endif
93
94int RSA_print(BIO *bp, RSA *x, int off)
95 {
96 char str[128];
97 const char *s;
98 unsigned char *m=NULL;
99 int i,ret=0;
100
101 i=RSA_size(x);
102 m=(unsigned char *)Malloc((unsigned int)i+10);
103 if (m == NULL)
104 {
105 RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE);
106 goto err;
107 }
108
109 if (off)
110 {
111 if (off > 128) off=128;
112 memset(str,' ',off);
113 }
114 if (x->d != NULL)
115 {
116 if (off && (BIO_write(bp,str,off) <= 0)) goto err;
117 if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->n))
118 <= 0) goto err;
119 }
120
121 if (x->d == NULL)
122 sprintf(str,"Modulus (%d bit):",BN_num_bits(x->n));
123 else
124 strcpy(str,"modulus:");
125 if (!print(bp,str,x->n,m,off)) goto err;
126 s=(x->d == NULL)?"Exponent:":"publicExponent:";
127 if (!print(bp,s,x->e,m,off)) goto err;
128 if (!print(bp,"privateExponent:",x->d,m,off)) goto err;
129 if (!print(bp,"prime1:",x->p,m,off)) goto err;
130 if (!print(bp,"prime2:",x->q,m,off)) goto err;
131 if (!print(bp,"exponent1:",x->dmp1,m,off)) goto err;
132 if (!print(bp,"exponent2:",x->dmq1,m,off)) goto err;
133 if (!print(bp,"coefficient:",x->iqmp,m,off)) goto err;
134 ret=1;
135err:
136 if (m != NULL) Free((char *)m);
137 return(ret);
138 }
139#endif /* NO_RSA */
140
141#ifndef NO_DSA
142#ifndef NO_FP_API
143int DSA_print_fp(FILE *fp, DSA *x, int off)
144 {
145 BIO *b;
146 int ret;
147
148 if ((b=BIO_new(BIO_s_file())) == NULL)
149 {
150 DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB);
151 return(0);
152 }
153 BIO_set_fp(b,fp,BIO_NOCLOSE);
154 ret=DSA_print(b,x,off);
155 BIO_free(b);
156 return(ret);
157 }
158#endif
159
160int DSA_print(BIO *bp, DSA *x, int off)
161 {
162 char str[128];
163 unsigned char *m=NULL;
164 int i,ret=0;
165 BIGNUM *bn=NULL;
166
167 if (x->p != NULL)
168 bn=x->p;
169 else if (x->priv_key != NULL)
170 bn=x->priv_key;
171 else if (x->pub_key != NULL)
172 bn=x->pub_key;
173
174 /* larger than needed but what the hell :-) */
175 if (bn != NULL)
176 i=BN_num_bytes(bn)*2;
177 else
178 i=256;
179 m=(unsigned char *)Malloc((unsigned int)i+10);
180 if (m == NULL)
181 {
182 DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
183 goto err;
184 }
185
186 if (off)
187 {
188 if (off > 128) off=128;
189 memset(str,' ',off);
190 }
191 if (x->priv_key != NULL)
192 {
193 if (off && (BIO_write(bp,str,off) <= 0)) goto err;
194 if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->p))
195 <= 0) goto err;
196 }
197
198 if ((x->priv_key != NULL) && !print(bp,"priv:",x->priv_key,m,off))
199 goto err;
200 if ((x->pub_key != NULL) && !print(bp,"pub: ",x->pub_key,m,off))
201 goto err;
202 if ((x->p != NULL) && !print(bp,"P: ",x->p,m,off)) goto err;
203 if ((x->q != NULL) && !print(bp,"Q: ",x->q,m,off)) goto err;
204 if ((x->g != NULL) && !print(bp,"G: ",x->g,m,off)) goto err;
205 ret=1;
206err:
207 if (m != NULL) Free((char *)m);
208 return(ret);
209 }
210#endif /* !NO_DSA */
211
212static int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf,
213 int off)
214 {
215 int n,i;
216 char str[128];
217 const char *neg;
218
219 if (num == NULL) return(1);
220 neg=(num->neg)?"-":"";
221 if (off)
222 {
223 if (off > 128) off=128;
224 memset(str,' ',off);
225 if (BIO_write(bp,str,off) <= 0) return(0);
226 }
227
228 if (BN_num_bytes(num) <= BN_BYTES)
229 {
230 if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg,
231 (unsigned long)num->d[0],neg,(unsigned long)num->d[0])
232 <= 0) return(0);
233 }
234 else
235 {
236 buf[0]=0;
237 if (BIO_printf(bp,"%s%s",number,
238 (neg[0] == '-')?" (Negative)":"") <= 0)
239 return(0);
240 n=BN_bn2bin(num,&buf[1]);
241
242 if (buf[1] & 0x80)
243 n++;
244 else buf++;
245
246 for (i=0; i<n; i++)
247 {
248 if ((i%15) == 0)
249 {
250 str[0]='\n';
251 memset(&(str[1]),' ',off+4);
252 if (BIO_write(bp,str,off+1+4) <= 0) return(0);
253 }
254 if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":")
255 <= 0) return(0);
256 }
257 if (BIO_write(bp,"\n",1) <= 0) return(0);
258 }
259 return(1);
260 }
261
262#ifndef NO_DH
263#ifndef NO_FP_API
264int DHparams_print_fp(FILE *fp, DH *x)
265 {
266 BIO *b;
267 int ret;
268
269 if ((b=BIO_new(BIO_s_file())) == NULL)
270 {
271 DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB);
272 return(0);
273 }
274 BIO_set_fp(b,fp,BIO_NOCLOSE);
275 ret=DHparams_print(b, x);
276 BIO_free(b);
277 return(ret);
278 }
279#endif
280
281int DHparams_print(BIO *bp, DH *x)
282 {
283 unsigned char *m=NULL;
284 int reason=ERR_R_BUF_LIB,i,ret=0;
285
286 i=BN_num_bytes(x->p);
287 m=(unsigned char *)Malloc((unsigned int)i+10);
288 if (m == NULL)
289 {
290 reason=ERR_R_MALLOC_FAILURE;
291 goto err;
292 }
293
294 if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n",
295 BN_num_bits(x->p)) <= 0)
296 goto err;
297 if (!print(bp,"prime:",x->p,m,4)) goto err;
298 if (!print(bp,"generator:",x->g,m,4)) goto err;
299 if (x->length != 0)
300 {
301 if (BIO_printf(bp," recomented-private-length: %d bits\n",
302 (int)x->length) <= 0) goto err;
303 }
304 ret=1;
305 if (0)
306 {
307err:
308 DHerr(DH_F_DHPARAMS_PRINT,reason);
309 }
310 if (m != NULL) Free((char *)m);
311 return(ret);
312 }
313#endif
314
315#ifndef NO_DSA
316#ifndef NO_FP_API
317int DSAparams_print_fp(FILE *fp, DSA *x)
318 {
319 BIO *b;
320 int ret;
321
322 if ((b=BIO_new(BIO_s_file())) == NULL)
323 {
324 DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB);
325 return(0);
326 }
327 BIO_set_fp(b,fp,BIO_NOCLOSE);
328 ret=DSAparams_print(b, x);
329 BIO_free(b);
330 return(ret);
331 }
332#endif
333
334int DSAparams_print(BIO *bp, DSA *x)
335 {
336 unsigned char *m=NULL;
337 int reason=ERR_R_BUF_LIB,i,ret=0;
338
339 i=BN_num_bytes(x->p);
340 m=(unsigned char *)Malloc((unsigned int)i+10);
341 if (m == NULL)
342 {
343 reason=ERR_R_MALLOC_FAILURE;
344 goto err;
345 }
346
347 if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n",
348 BN_num_bits(x->p)) <= 0)
349 goto err;
350 if (!print(bp,"p:",x->p,m,4)) goto err;
351 if (!print(bp,"q:",x->q,m,4)) goto err;
352 if (!print(bp,"g:",x->g,m,4)) goto err;
353 ret=1;
354err:
355 if (m != NULL) Free((char *)m);
356 DSAerr(DSA_F_DSAPARAMS_PRINT,reason);
357 return(ret);
358 }
359
360#endif /* !NO_DSA */
361
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