diff options
Diffstat (limited to 'src/lib/libcrypto/asn1/n_pkey.c')
-rw-r--r-- | src/lib/libcrypto/asn1/n_pkey.c | 365 |
1 files changed, 365 insertions, 0 deletions
diff --git a/src/lib/libcrypto/asn1/n_pkey.c b/src/lib/libcrypto/asn1/n_pkey.c new file mode 100644 index 0000000000..5110c91bec --- /dev/null +++ b/src/lib/libcrypto/asn1/n_pkey.c | |||
@@ -0,0 +1,365 @@ | |||
1 | /* crypto/asn1/n_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 "rsa.h" | ||
62 | #include "objects.h" | ||
63 | #include "asn1_mac.h" | ||
64 | #include "evp.h" | ||
65 | #include "x509.h" | ||
66 | |||
67 | |||
68 | #ifndef NO_RC4 | ||
69 | |||
70 | typedef struct netscape_pkey_st | ||
71 | { | ||
72 | ASN1_INTEGER *version; | ||
73 | X509_ALGOR *algor; | ||
74 | ASN1_OCTET_STRING *private_key; | ||
75 | } NETSCAPE_PKEY; | ||
76 | |||
77 | /* | ||
78 | * ASN1err(ASN1_F_D2I_NETSCAPE_RSA,ASN1_R_LENGTH_MISMATCH); | ||
79 | * ASN1err(ASN1_F_D2I_NETSCAPE_RSA,ASN1_R_DECODING_ERROR); | ||
80 | * ASN1err(ASN1_F_D2I_NETSCAPE_PKEY,ASN1_R_DECODING_ERROR); | ||
81 | * ASN1err(ASN1_F_NETSCAPE_PKEY_NEW,ASN1_R_DECODING_ERROR); | ||
82 | */ | ||
83 | #ifndef NOPROTO | ||
84 | static int i2d_NETSCAPE_PKEY(NETSCAPE_PKEY *a, unsigned char **pp); | ||
85 | static NETSCAPE_PKEY *d2i_NETSCAPE_PKEY(NETSCAPE_PKEY **a,unsigned char **pp, long length); | ||
86 | static NETSCAPE_PKEY *NETSCAPE_PKEY_new(void); | ||
87 | static void NETSCAPE_PKEY_free(NETSCAPE_PKEY *); | ||
88 | #else | ||
89 | static int i2d_NETSCAPE_PKEY(); | ||
90 | static NETSCAPE_PKEY *d2i_NETSCAPE_PKEY(); | ||
91 | static NETSCAPE_PKEY *NETSCAPE_PKEY_new(); | ||
92 | static void NETSCAPE_PKEY_free(); | ||
93 | #endif | ||
94 | |||
95 | int i2d_Netscape_RSA(a,pp,cb) | ||
96 | RSA *a; | ||
97 | unsigned char **pp; | ||
98 | int (*cb)(); | ||
99 | { | ||
100 | int i,j,l[6]; | ||
101 | NETSCAPE_PKEY *pkey; | ||
102 | unsigned char buf[256],*zz; | ||
103 | unsigned char key[EVP_MAX_KEY_LENGTH]; | ||
104 | EVP_CIPHER_CTX ctx; | ||
105 | X509_ALGOR *alg=NULL; | ||
106 | ASN1_OCTET_STRING os,os2; | ||
107 | M_ASN1_I2D_vars(a); | ||
108 | |||
109 | if (a == NULL) return(0); | ||
110 | |||
111 | #ifdef WIN32 | ||
112 | r=r; /* shut the damn compiler up :-) */ | ||
113 | #endif | ||
114 | |||
115 | os.data=os2.data=NULL; | ||
116 | if ((pkey=NETSCAPE_PKEY_new()) == NULL) goto err; | ||
117 | if (!ASN1_INTEGER_set(pkey->version,0)) goto err; | ||
118 | |||
119 | if (pkey->algor->algorithm != NULL) | ||
120 | ASN1_OBJECT_free(pkey->algor->algorithm); | ||
121 | pkey->algor->algorithm=OBJ_nid2obj(NID_rsaEncryption); | ||
122 | if ((pkey->algor->parameter=ASN1_TYPE_new()) == NULL) goto err; | ||
123 | pkey->algor->parameter->type=V_ASN1_NULL; | ||
124 | |||
125 | l[0]=i2d_RSAPrivateKey(a,NULL); | ||
126 | pkey->private_key->length=l[0]; | ||
127 | |||
128 | os2.length=i2d_NETSCAPE_PKEY(pkey,NULL); | ||
129 | l[1]=i2d_ASN1_OCTET_STRING(&os2,NULL); | ||
130 | |||
131 | if ((alg=X509_ALGOR_new()) == NULL) goto err; | ||
132 | if (alg->algorithm != NULL) | ||
133 | ASN1_OBJECT_free(alg->algorithm); | ||
134 | alg->algorithm=OBJ_nid2obj(NID_rc4); | ||
135 | if ((alg->parameter=ASN1_TYPE_new()) == NULL) goto err; | ||
136 | alg->parameter->type=V_ASN1_NULL; | ||
137 | |||
138 | l[2]=i2d_X509_ALGOR(alg,NULL); | ||
139 | l[3]=ASN1_object_size(1,l[2]+l[1],V_ASN1_SEQUENCE); | ||
140 | |||
141 | os.data=(unsigned char *)"private-key"; | ||
142 | os.length=11; | ||
143 | l[4]=i2d_ASN1_OCTET_STRING(&os,NULL); | ||
144 | |||
145 | l[5]=ASN1_object_size(1,l[4]+l[3],V_ASN1_SEQUENCE); | ||
146 | |||
147 | if (pp == NULL) | ||
148 | { | ||
149 | if (pkey != NULL) NETSCAPE_PKEY_free(pkey); | ||
150 | if (alg != NULL) X509_ALGOR_free(alg); | ||
151 | return(l[5]); | ||
152 | } | ||
153 | |||
154 | if (pkey->private_key->data != NULL) | ||
155 | Free((char *)pkey->private_key->data); | ||
156 | if ((pkey->private_key->data=(unsigned char *)Malloc(l[0])) == NULL) | ||
157 | { | ||
158 | ASN1err(ASN1_F_I2D_NETSCAPE_RSA,ERR_R_MALLOC_FAILURE); | ||
159 | goto err; | ||
160 | } | ||
161 | zz=pkey->private_key->data; | ||
162 | i2d_RSAPrivateKey(a,&zz); | ||
163 | |||
164 | if ((os2.data=(unsigned char *)Malloc(os2.length)) == NULL) | ||
165 | { | ||
166 | ASN1err(ASN1_F_I2D_NETSCAPE_RSA,ERR_R_MALLOC_FAILURE); | ||
167 | goto err; | ||
168 | } | ||
169 | zz=os2.data; | ||
170 | i2d_NETSCAPE_PKEY(pkey,&zz); | ||
171 | |||
172 | if (cb == NULL) | ||
173 | cb=EVP_read_pw_string; | ||
174 | i=cb(buf,256,"Enter Private Key password:",1); | ||
175 | if (i != 0) | ||
176 | { | ||
177 | ASN1err(ASN1_F_I2D_NETSCAPE_RSA,ASN1_R_BAD_PASSWORD_READ); | ||
178 | goto err; | ||
179 | } | ||
180 | EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL,buf, | ||
181 | strlen((char *)buf),1,key,NULL); | ||
182 | memset(buf,0,256); | ||
183 | |||
184 | EVP_CIPHER_CTX_init(&ctx); | ||
185 | EVP_EncryptInit(&ctx,EVP_rc4(),key,NULL); | ||
186 | EVP_EncryptUpdate(&ctx,os2.data,&i,os2.data,os2.length); | ||
187 | EVP_EncryptFinal(&ctx,&(os2.data[i]),&j); | ||
188 | EVP_CIPHER_CTX_cleanup(&ctx); | ||
189 | |||
190 | p= *pp; | ||
191 | ASN1_put_object(&p,1,l[4]+l[3],V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL); | ||
192 | i2d_ASN1_OCTET_STRING(&os,&p); | ||
193 | ASN1_put_object(&p,1,l[2]+l[1],V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL); | ||
194 | i2d_X509_ALGOR(alg,&p); | ||
195 | i2d_ASN1_OCTET_STRING(&os2,&p); | ||
196 | ret=l[5]; | ||
197 | err: | ||
198 | if (os2.data != NULL) Free((char *)os2.data); | ||
199 | if (alg != NULL) X509_ALGOR_free(alg); | ||
200 | if (pkey != NULL) NETSCAPE_PKEY_free(pkey); | ||
201 | r=r; | ||
202 | return(ret); | ||
203 | } | ||
204 | |||
205 | RSA *d2i_Netscape_RSA(a,pp,length,cb) | ||
206 | RSA **a; | ||
207 | unsigned char **pp; | ||
208 | long length; | ||
209 | int (*cb)(); | ||
210 | { | ||
211 | RSA *ret=NULL; | ||
212 | ASN1_OCTET_STRING *os=NULL; | ||
213 | ASN1_CTX c; | ||
214 | |||
215 | c.pp=pp; | ||
216 | c.error=ASN1_R_DECODING_ERROR; | ||
217 | |||
218 | M_ASN1_D2I_Init(); | ||
219 | M_ASN1_D2I_start_sequence(); | ||
220 | M_ASN1_D2I_get(os,d2i_ASN1_OCTET_STRING); | ||
221 | if ((os->length != 11) || (strncmp("private-key", | ||
222 | (char *)os->data,os->length) != 0)) | ||
223 | { | ||
224 | ASN1err(ASN1_F_D2I_NETSCAPE_RSA,ASN1_R_PRIVATE_KEY_HEADER_MISSING); | ||
225 | ASN1_BIT_STRING_free(os); | ||
226 | goto err; | ||
227 | } | ||
228 | ASN1_BIT_STRING_free(os); | ||
229 | c.q=c.p; | ||
230 | if ((ret=d2i_Netscape_RSA_2(a,&c.p,c.slen,cb)) == NULL) goto err; | ||
231 | c.slen-=(c.p-c.q); | ||
232 | |||
233 | M_ASN1_D2I_Finish(a,RSA_free,ASN1_F_D2I_NETSCAPE_RSA); | ||
234 | } | ||
235 | |||
236 | RSA *d2i_Netscape_RSA_2(a,pp,length,cb) | ||
237 | RSA **a; | ||
238 | unsigned char **pp; | ||
239 | long length; | ||
240 | int (*cb)(); | ||
241 | { | ||
242 | NETSCAPE_PKEY *pkey=NULL; | ||
243 | RSA *ret=NULL; | ||
244 | int i,j; | ||
245 | unsigned char buf[256],*zz; | ||
246 | unsigned char key[EVP_MAX_KEY_LENGTH]; | ||
247 | EVP_CIPHER_CTX ctx; | ||
248 | X509_ALGOR *alg=NULL; | ||
249 | ASN1_OCTET_STRING *os=NULL; | ||
250 | ASN1_CTX c; | ||
251 | |||
252 | c.error=ASN1_R_ERROR_STACK; | ||
253 | c.pp=pp; | ||
254 | |||
255 | M_ASN1_D2I_Init(); | ||
256 | M_ASN1_D2I_start_sequence(); | ||
257 | M_ASN1_D2I_get(alg,d2i_X509_ALGOR); | ||
258 | if (OBJ_obj2nid(alg->algorithm) != NID_rc4) | ||
259 | { | ||
260 | ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_UNSUPPORTED_ENCRYPTION_ALGORITHM); | ||
261 | goto err; | ||
262 | } | ||
263 | M_ASN1_D2I_get(os,d2i_ASN1_OCTET_STRING); | ||
264 | if (cb == NULL) | ||
265 | cb=EVP_read_pw_string; | ||
266 | i=cb(buf,256,"Enter Private Key password:",0); | ||
267 | if (i != 0) | ||
268 | { | ||
269 | ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_BAD_PASSWORD_READ); | ||
270 | goto err; | ||
271 | } | ||
272 | |||
273 | EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL,buf, | ||
274 | strlen((char *)buf),1,key,NULL); | ||
275 | memset(buf,0,256); | ||
276 | |||
277 | EVP_CIPHER_CTX_init(&ctx); | ||
278 | EVP_DecryptInit(&ctx,EVP_rc4(),key,NULL); | ||
279 | EVP_DecryptUpdate(&ctx,os->data,&i,os->data,os->length); | ||
280 | EVP_DecryptFinal(&ctx,&(os->data[i]),&j); | ||
281 | EVP_CIPHER_CTX_cleanup(&ctx); | ||
282 | os->length=i+j; | ||
283 | |||
284 | zz=os->data; | ||
285 | |||
286 | if ((pkey=d2i_NETSCAPE_PKEY(NULL,&zz,os->length)) == NULL) | ||
287 | { | ||
288 | ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_UNABLE_TO_DECODE_RSA_PRIVATE_KEY); | ||
289 | goto err; | ||
290 | } | ||
291 | |||
292 | zz=pkey->private_key->data; | ||
293 | if ((ret=d2i_RSAPrivateKey(a,&zz,pkey->private_key->length)) == NULL) | ||
294 | { | ||
295 | ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_UNABLE_TO_DECODE_RSA_KEY); | ||
296 | goto err; | ||
297 | } | ||
298 | if (!asn1_Finish(&c)) goto err; | ||
299 | *pp=c.p; | ||
300 | err: | ||
301 | if (pkey != NULL) NETSCAPE_PKEY_free(pkey); | ||
302 | if (os != NULL) ASN1_BIT_STRING_free(os); | ||
303 | if (alg != NULL) X509_ALGOR_free(alg); | ||
304 | return(ret); | ||
305 | } | ||
306 | |||
307 | static int i2d_NETSCAPE_PKEY(a,pp) | ||
308 | NETSCAPE_PKEY *a; | ||
309 | unsigned char **pp; | ||
310 | { | ||
311 | M_ASN1_I2D_vars(a); | ||
312 | |||
313 | |||
314 | M_ASN1_I2D_len(a->version, i2d_ASN1_INTEGER); | ||
315 | M_ASN1_I2D_len(a->algor, i2d_X509_ALGOR); | ||
316 | M_ASN1_I2D_len(a->private_key, i2d_ASN1_OCTET_STRING); | ||
317 | |||
318 | M_ASN1_I2D_seq_total(); | ||
319 | |||
320 | M_ASN1_I2D_put(a->version, i2d_ASN1_INTEGER); | ||
321 | M_ASN1_I2D_put(a->algor, i2d_X509_ALGOR); | ||
322 | M_ASN1_I2D_put(a->private_key, i2d_ASN1_OCTET_STRING); | ||
323 | |||
324 | M_ASN1_I2D_finish(); | ||
325 | } | ||
326 | |||
327 | static NETSCAPE_PKEY *d2i_NETSCAPE_PKEY(a,pp,length) | ||
328 | NETSCAPE_PKEY **a; | ||
329 | unsigned char **pp; | ||
330 | long length; | ||
331 | { | ||
332 | M_ASN1_D2I_vars(a,NETSCAPE_PKEY *,NETSCAPE_PKEY_new); | ||
333 | |||
334 | M_ASN1_D2I_Init(); | ||
335 | M_ASN1_D2I_start_sequence(); | ||
336 | M_ASN1_D2I_get(ret->version,d2i_ASN1_INTEGER); | ||
337 | M_ASN1_D2I_get(ret->algor,d2i_X509_ALGOR); | ||
338 | M_ASN1_D2I_get(ret->private_key,d2i_ASN1_OCTET_STRING); | ||
339 | M_ASN1_D2I_Finish(a,NETSCAPE_PKEY_free,ASN1_F_D2I_NETSCAPE_PKEY); | ||
340 | } | ||
341 | |||
342 | static NETSCAPE_PKEY *NETSCAPE_PKEY_new() | ||
343 | { | ||
344 | NETSCAPE_PKEY *ret=NULL; | ||
345 | |||
346 | M_ASN1_New_Malloc(ret,NETSCAPE_PKEY); | ||
347 | M_ASN1_New(ret->version,ASN1_INTEGER_new); | ||
348 | M_ASN1_New(ret->algor,X509_ALGOR_new); | ||
349 | M_ASN1_New(ret->private_key,ASN1_OCTET_STRING_new); | ||
350 | return(ret); | ||
351 | M_ASN1_New_Error(ASN1_F_NETSCAPE_PKEY_NEW); | ||
352 | } | ||
353 | |||
354 | static void NETSCAPE_PKEY_free(a) | ||
355 | NETSCAPE_PKEY *a; | ||
356 | { | ||
357 | if (a == NULL) return; | ||
358 | ASN1_INTEGER_free(a->version); | ||
359 | X509_ALGOR_free(a->algor); | ||
360 | ASN1_OCTET_STRING_free(a->private_key); | ||
361 | Free((char *)a); | ||
362 | } | ||
363 | |||
364 | #endif /* NO_RC4 */ | ||
365 | |||