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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 OPENSSL_NO_RSA
64#include <openssl/rsa.h>
65#endif
66#ifndef OPENSSL_NO_DH
67#include <openssl/dh.h>
68#endif
69#ifndef OPENSSL_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 OPENSSL_NO_RSA
76#ifndef OPENSSL_NO_FP_API
77int RSA_print_fp(FILE *fp, const 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, const RSA *x, int off)
95 {
96 char str[128];
97 const char *s;
98 unsigned char *m=NULL;
99 int ret=0;
100 size_t buf_len=0, i;
101
102 if (x->n)
103 buf_len = (size_t)BN_num_bytes(x->n);
104 if (x->e)
105 if (buf_len < (i = (size_t)BN_num_bytes(x->e)))
106 buf_len = i;
107 if (x->d)
108 if (buf_len < (i = (size_t)BN_num_bytes(x->d)))
109 buf_len = i;
110 if (x->p)
111 if (buf_len < (i = (size_t)BN_num_bytes(x->p)))
112 buf_len = i;
113 if (x->q)
114 if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
115 buf_len = i;
116 if (x->dmp1)
117 if (buf_len < (i = (size_t)BN_num_bytes(x->dmp1)))
118 buf_len = i;
119 if (x->dmq1)
120 if (buf_len < (i = (size_t)BN_num_bytes(x->dmq1)))
121 buf_len = i;
122 if (x->iqmp)
123 if (buf_len < (i = (size_t)BN_num_bytes(x->iqmp)))
124 buf_len = i;
125
126 m=(unsigned char *)OPENSSL_malloc(buf_len+10);
127 if (m == NULL)
128 {
129 RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE);
130 goto err;
131 }
132
133 if (x->d != NULL)
134 {
135 if(!BIO_indent(bp,off,128))
136 goto err;
137 if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->n))
138 <= 0) goto err;
139 }
140
141 if (x->d == NULL)
142 BIO_snprintf(str,sizeof str,"Modulus (%d bit):",BN_num_bits(x->n));
143 else
144 BUF_strlcpy(str,"modulus:",sizeof str);
145 if (!print(bp,str,x->n,m,off)) goto err;
146 s=(x->d == NULL)?"Exponent:":"publicExponent:";
147 if (!print(bp,s,x->e,m,off)) goto err;
148 if (!print(bp,"privateExponent:",x->d,m,off)) goto err;
149 if (!print(bp,"prime1:",x->p,m,off)) goto err;
150 if (!print(bp,"prime2:",x->q,m,off)) goto err;
151 if (!print(bp,"exponent1:",x->dmp1,m,off)) goto err;
152 if (!print(bp,"exponent2:",x->dmq1,m,off)) goto err;
153 if (!print(bp,"coefficient:",x->iqmp,m,off)) goto err;
154 ret=1;
155err:
156 if (m != NULL) OPENSSL_free(m);
157 return(ret);
158 }
159#endif /* OPENSSL_NO_RSA */
160
161#ifndef OPENSSL_NO_DSA
162#ifndef OPENSSL_NO_FP_API
163int DSA_print_fp(FILE *fp, const DSA *x, int off)
164 {
165 BIO *b;
166 int ret;
167
168 if ((b=BIO_new(BIO_s_file())) == NULL)
169 {
170 DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB);
171 return(0);
172 }
173 BIO_set_fp(b,fp,BIO_NOCLOSE);
174 ret=DSA_print(b,x,off);
175 BIO_free(b);
176 return(ret);
177 }
178#endif
179
180int DSA_print(BIO *bp, const DSA *x, int off)
181 {
182 unsigned char *m=NULL;
183 int ret=0;
184 size_t buf_len=0,i;
185
186 if (x->p)
187 buf_len = (size_t)BN_num_bytes(x->p);
188 if (x->q)
189 if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
190 buf_len = i;
191 if (x->g)
192 if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
193 buf_len = i;
194 if (x->priv_key)
195 if (buf_len < (i = (size_t)BN_num_bytes(x->priv_key)))
196 buf_len = i;
197 if (x->pub_key)
198 if (buf_len < (i = (size_t)BN_num_bytes(x->pub_key)))
199 buf_len = i;
200
201 m=(unsigned char *)OPENSSL_malloc(buf_len+10);
202 if (m == NULL)
203 {
204 DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
205 goto err;
206 }
207
208 if (x->priv_key != NULL)
209 {
210 if(!BIO_indent(bp,off,128))
211 goto err;
212 if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->p))
213 <= 0) goto err;
214 }
215
216 if ((x->priv_key != NULL) && !print(bp,"priv:",x->priv_key,m,off))
217 goto err;
218 if ((x->pub_key != NULL) && !print(bp,"pub: ",x->pub_key,m,off))
219 goto err;
220 if ((x->p != NULL) && !print(bp,"P: ",x->p,m,off)) goto err;
221 if ((x->q != NULL) && !print(bp,"Q: ",x->q,m,off)) goto err;
222 if ((x->g != NULL) && !print(bp,"G: ",x->g,m,off)) goto err;
223 ret=1;
224err:
225 if (m != NULL) OPENSSL_free(m);
226 return(ret);
227 }
228#endif /* !OPENSSL_NO_DSA */
229
230static int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf,
231 int off)
232 {
233 int n,i;
234 const char *neg;
235
236 if (num == NULL) return(1);
237 neg=(num->neg)?"-":"";
238 if(!BIO_indent(bp,off,128))
239 return 0;
240
241 if (BN_num_bytes(num) <= BN_BYTES)
242 {
243 if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg,
244 (unsigned long)num->d[0],neg,(unsigned long)num->d[0])
245 <= 0) return(0);
246 }
247 else
248 {
249 buf[0]=0;
250 if (BIO_printf(bp,"%s%s",number,
251 (neg[0] == '-')?" (Negative)":"") <= 0)
252 return(0);
253 n=BN_bn2bin(num,&buf[1]);
254
255 if (buf[1] & 0x80)
256 n++;
257 else buf++;
258
259 for (i=0; i<n; i++)
260 {
261 if ((i%15) == 0)
262 {
263 if(BIO_puts(bp,"\n") <= 0
264 || !BIO_indent(bp,off+4,128))
265 return 0;
266 }
267 if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":")
268 <= 0) return(0);
269 }
270 if (BIO_write(bp,"\n",1) <= 0) return(0);
271 }
272 return(1);
273 }
274
275#ifndef OPENSSL_NO_DH
276#ifndef OPENSSL_NO_FP_API
277int DHparams_print_fp(FILE *fp, const DH *x)
278 {
279 BIO *b;
280 int ret;
281
282 if ((b=BIO_new(BIO_s_file())) == NULL)
283 {
284 DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB);
285 return(0);
286 }
287 BIO_set_fp(b,fp,BIO_NOCLOSE);
288 ret=DHparams_print(b, x);
289 BIO_free(b);
290 return(ret);
291 }
292#endif
293
294int DHparams_print(BIO *bp, const DH *x)
295 {
296 unsigned char *m=NULL;
297 int reason=ERR_R_BUF_LIB,ret=0;
298 size_t buf_len=0, i;
299
300 if (x->p)
301 buf_len = (size_t)BN_num_bytes(x->p);
302 if (x->g)
303 if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
304 buf_len = i;
305 m=(unsigned char *)OPENSSL_malloc(buf_len+10);
306 if (m == NULL)
307 {
308 reason=ERR_R_MALLOC_FAILURE;
309 goto err;
310 }
311
312 if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n",
313 BN_num_bits(x->p)) <= 0)
314 goto err;
315 if (!print(bp,"prime:",x->p,m,4)) goto err;
316 if (!print(bp,"generator:",x->g,m,4)) goto err;
317 if (x->length != 0)
318 {
319 if (BIO_printf(bp," recommended-private-length: %d bits\n",
320 (int)x->length) <= 0) goto err;
321 }
322 ret=1;
323 if (0)
324 {
325err:
326 DHerr(DH_F_DHPARAMS_PRINT,reason);
327 }
328 if (m != NULL) OPENSSL_free(m);
329 return(ret);
330 }
331#endif
332
333#ifndef OPENSSL_NO_DSA
334#ifndef OPENSSL_NO_FP_API
335int DSAparams_print_fp(FILE *fp, const DSA *x)
336 {
337 BIO *b;
338 int ret;
339
340 if ((b=BIO_new(BIO_s_file())) == NULL)
341 {
342 DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB);
343 return(0);
344 }
345 BIO_set_fp(b,fp,BIO_NOCLOSE);
346 ret=DSAparams_print(b, x);
347 BIO_free(b);
348 return(ret);
349 }
350#endif
351
352int DSAparams_print(BIO *bp, const DSA *x)
353 {
354 unsigned char *m=NULL;
355 int reason=ERR_R_BUF_LIB,ret=0;
356 size_t buf_len=0,i;
357
358 if (x->p)
359 buf_len = (size_t)BN_num_bytes(x->p);
360 if (x->q)
361 if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
362 buf_len = i;
363 if (x->g)
364 if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
365 buf_len = i;
366 m=(unsigned char *)OPENSSL_malloc(buf_len+10);
367 if (m == NULL)
368 {
369 reason=ERR_R_MALLOC_FAILURE;
370 goto err;
371 }
372
373 if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n",
374 BN_num_bits(x->p)) <= 0)
375 goto err;
376 if (!print(bp,"p:",x->p,m,4)) goto err;
377 if (!print(bp,"q:",x->q,m,4)) goto err;
378 if (!print(bp,"g:",x->g,m,4)) goto err;
379 ret=1;
380err:
381 if (m != NULL) OPENSSL_free(m);
382 DSAerr(DSA_F_DSAPARAMS_PRINT,reason);
383 return(ret);
384 }
385
386#endif /* !OPENSSL_NO_DSA */
387
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