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d02b48c6 | 1 | /* crypto/asn1/t_pkey.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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" | |
ec577822 BM |
61 | #include <openssl/buffer.h> |
62 | #include <openssl/bn.h> | |
d02b48c6 | 63 | #ifndef NO_RSA |
ec577822 | 64 | #include <openssl/rsa.h> |
d02b48c6 RE |
65 | #endif |
66 | #ifndef NO_DH | |
ec577822 | 67 | #include <openssl/dh.h> |
d02b48c6 RE |
68 | #endif |
69 | #ifndef NO_DSA | |
ec577822 | 70 | #include <openssl/dsa.h> |
d02b48c6 RE |
71 | #endif |
72 | ||
e778802f | 73 | static int print(BIO *fp,const char *str,BIGNUM *num, |
d02b48c6 | 74 | unsigned char *buf,int off); |
d02b48c6 | 75 | #ifndef NO_RSA |
58964a49 | 76 | #ifndef NO_FP_API |
6b691a5c | 77 | int RSA_print_fp(FILE *fp, RSA *x, int off) |
d02b48c6 RE |
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 | ||
6b691a5c | 94 | int RSA_print(BIO *bp, RSA *x, int off) |
d02b48c6 | 95 | { |
e778802f BL |
96 | char str[128]; |
97 | const char *s; | |
d02b48c6 RE |
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; | |
135 | err: | |
51ca375e | 136 | if (m != NULL) Free(m); |
d02b48c6 RE |
137 | return(ret); |
138 | } | |
139 | #endif /* NO_RSA */ | |
140 | ||
141 | #ifndef NO_DSA | |
58964a49 | 142 | #ifndef NO_FP_API |
6b691a5c | 143 | int DSA_print_fp(FILE *fp, DSA *x, int off) |
d02b48c6 RE |
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 | ||
6b691a5c | 160 | int DSA_print(BIO *bp, DSA *x, int off) |
d02b48c6 RE |
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; | |
206 | err: | |
51ca375e | 207 | if (m != NULL) Free(m); |
d02b48c6 RE |
208 | return(ret); |
209 | } | |
210 | #endif /* !NO_DSA */ | |
211 | ||
6b691a5c UM |
212 | static int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf, |
213 | int off) | |
d02b48c6 RE |
214 | { |
215 | int n,i; | |
e778802f BL |
216 | char str[128]; |
217 | const char *neg; | |
d02b48c6 RE |
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 | |
58964a49 | 263 | #ifndef NO_FP_API |
6b691a5c | 264 | int DHparams_print_fp(FILE *fp, DH *x) |
d02b48c6 RE |
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 | ||
6b691a5c | 281 | int DHparams_print(BIO *bp, DH *x) |
d02b48c6 RE |
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; | |
58964a49 RE |
305 | if (0) |
306 | { | |
d02b48c6 | 307 | err: |
58964a49 RE |
308 | DHerr(DH_F_DHPARAMS_PRINT,reason); |
309 | } | |
51ca375e | 310 | if (m != NULL) Free(m); |
d02b48c6 RE |
311 | return(ret); |
312 | } | |
313 | #endif | |
314 | ||
315 | #ifndef NO_DSA | |
58964a49 | 316 | #ifndef NO_FP_API |
6b691a5c | 317 | int DSAparams_print_fp(FILE *fp, DSA *x) |
d02b48c6 RE |
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 | ||
6b691a5c | 334 | int DSAparams_print(BIO *bp, DSA *x) |
d02b48c6 RE |
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; | |
354 | err: | |
51ca375e | 355 | if (m != NULL) Free(m); |
d02b48c6 RE |
356 | DSAerr(DSA_F_DSAPARAMS_PRINT,reason); |
357 | return(ret); | |
358 | } | |
359 | ||
360 | #endif /* !NO_DSA */ | |
361 |