source: EcnlProtoTool/trunk/openssl-1.1.0e/crypto/asn1/ameth_lib.c@ 331

Last change on this file since 331 was 331, checked in by coas-nagasima, 6 years ago

prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新
ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新
以下のOSSをアップデート
・mruby-1.3.0
・musl-1.1.18
・onigmo-6.1.3
・tcc-0.9.27
以下のOSSを追加
・openssl-1.1.0e
・curl-7.57.0
・zlib-1.2.11
以下のmrbgemsを追加
・iij/mruby-digest
・iij/mruby-env
・iij/mruby-errno
・iij/mruby-iijson
・iij/mruby-ipaddr
・iij/mruby-mock
・iij/mruby-require
・iij/mruby-tls-openssl
  • Property svn:eol-style set to native
  • Property svn:mime-type set to text/x-csrc
File size: 12.2 KB
Line 
1/*
2 * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <stdio.h>
11#include "internal/cryptlib.h"
12#include <openssl/asn1t.h>
13#include <openssl/x509.h>
14#include <openssl/engine.h>
15#include "internal/asn1_int.h"
16#include "internal/evp_int.h"
17
18/* Keep this sorted in type order !! */
19static const EVP_PKEY_ASN1_METHOD *standard_methods[] = {
20#ifndef OPENSSL_NO_RSA
21 &rsa_asn1_meths[0],
22 &rsa_asn1_meths[1],
23#endif
24#ifndef OPENSSL_NO_DH
25 &dh_asn1_meth,
26#endif
27#ifndef OPENSSL_NO_DSA
28 &dsa_asn1_meths[0],
29 &dsa_asn1_meths[1],
30 &dsa_asn1_meths[2],
31 &dsa_asn1_meths[3],
32 &dsa_asn1_meths[4],
33#endif
34#ifndef OPENSSL_NO_EC
35 &eckey_asn1_meth,
36#endif
37 &hmac_asn1_meth,
38#ifndef OPENSSL_NO_CMAC
39 &cmac_asn1_meth,
40#endif
41#ifndef OPENSSL_NO_DH
42 &dhx_asn1_meth,
43#endif
44#ifndef OPENSSL_NO_EC
45 &ecx25519_asn1_meth
46#endif
47};
48
49typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
50static STACK_OF(EVP_PKEY_ASN1_METHOD) *app_methods = NULL;
51
52#ifdef TEST
53void main()
54{
55 int i;
56 for (i = 0; i < OSSL_NELEM(standard_methods); i++)
57 fprintf(stderr, "Number %d id=%d (%s)\n", i,
58 standard_methods[i]->pkey_id,
59 OBJ_nid2sn(standard_methods[i]->pkey_id));
60}
61#endif
62
63DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_ASN1_METHOD *,
64 const EVP_PKEY_ASN1_METHOD *, ameth);
65
66static int ameth_cmp(const EVP_PKEY_ASN1_METHOD *const *a,
67 const EVP_PKEY_ASN1_METHOD *const *b)
68{
69 return ((*a)->pkey_id - (*b)->pkey_id);
70}
71
72IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_ASN1_METHOD *,
73 const EVP_PKEY_ASN1_METHOD *, ameth);
74
75int EVP_PKEY_asn1_get_count(void)
76{
77 int num = OSSL_NELEM(standard_methods);
78 if (app_methods)
79 num += sk_EVP_PKEY_ASN1_METHOD_num(app_methods);
80 return num;
81}
82
83const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx)
84{
85 int num = OSSL_NELEM(standard_methods);
86 if (idx < 0)
87 return NULL;
88 if (idx < num)
89 return standard_methods[idx];
90 idx -= num;
91 return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx);
92}
93
94static const EVP_PKEY_ASN1_METHOD *pkey_asn1_find(int type)
95{
96 EVP_PKEY_ASN1_METHOD tmp;
97 const EVP_PKEY_ASN1_METHOD *t = &tmp, **ret;
98 tmp.pkey_id = type;
99 if (app_methods) {
100 int idx;
101 idx = sk_EVP_PKEY_ASN1_METHOD_find(app_methods, &tmp);
102 if (idx >= 0)
103 return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx);
104 }
105 ret = OBJ_bsearch_ameth(&t, standard_methods, OSSL_NELEM(standard_methods));
106 if (!ret || !*ret)
107 return NULL;
108 return *ret;
109}
110
111/*
112 * Find an implementation of an ASN1 algorithm. If 'pe' is not NULL also
113 * search through engines and set *pe to a functional reference to the engine
114 * implementing 'type' or NULL if no engine implements it.
115 */
116
117const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type)
118{
119 const EVP_PKEY_ASN1_METHOD *t;
120
121 for (;;) {
122 t = pkey_asn1_find(type);
123 if (!t || !(t->pkey_flags & ASN1_PKEY_ALIAS))
124 break;
125 type = t->pkey_base_id;
126 }
127 if (pe) {
128#ifndef OPENSSL_NO_ENGINE
129 ENGINE *e;
130 /* type will contain the final unaliased type */
131 e = ENGINE_get_pkey_asn1_meth_engine(type);
132 if (e) {
133 *pe = e;
134 return ENGINE_get_pkey_asn1_meth(e, type);
135 }
136#endif
137 *pe = NULL;
138 }
139 return t;
140}
141
142const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
143 const char *str, int len)
144{
145 int i;
146 const EVP_PKEY_ASN1_METHOD *ameth;
147 if (len == -1)
148 len = strlen(str);
149 if (pe) {
150#ifndef OPENSSL_NO_ENGINE
151 ENGINE *e;
152 ameth = ENGINE_pkey_asn1_find_str(&e, str, len);
153 if (ameth) {
154 /*
155 * Convert structural into functional reference
156 */
157 if (!ENGINE_init(e))
158 ameth = NULL;
159 ENGINE_free(e);
160 *pe = e;
161 return ameth;
162 }
163#endif
164 *pe = NULL;
165 }
166 for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
167 ameth = EVP_PKEY_asn1_get0(i);
168 if (ameth->pkey_flags & ASN1_PKEY_ALIAS)
169 continue;
170 if (((int)strlen(ameth->pem_str) == len)
171 && (strncasecmp(ameth->pem_str, str, len) == 0))
172 return ameth;
173 }
174 return NULL;
175}
176
177int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth)
178{
179 if (app_methods == NULL) {
180 app_methods = sk_EVP_PKEY_ASN1_METHOD_new(ameth_cmp);
181 if (app_methods == NULL)
182 return 0;
183 }
184 if (!sk_EVP_PKEY_ASN1_METHOD_push(app_methods, ameth))
185 return 0;
186 sk_EVP_PKEY_ASN1_METHOD_sort(app_methods);
187 return 1;
188}
189
190int EVP_PKEY_asn1_add_alias(int to, int from)
191{
192 EVP_PKEY_ASN1_METHOD *ameth;
193 ameth = EVP_PKEY_asn1_new(from, ASN1_PKEY_ALIAS, NULL, NULL);
194 if (ameth == NULL)
195 return 0;
196 ameth->pkey_base_id = to;
197 if (!EVP_PKEY_asn1_add0(ameth)) {
198 EVP_PKEY_asn1_free(ameth);
199 return 0;
200 }
201 return 1;
202}
203
204int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *ppkey_base_id,
205 int *ppkey_flags, const char **pinfo,
206 const char **ppem_str,
207 const EVP_PKEY_ASN1_METHOD *ameth)
208{
209 if (!ameth)
210 return 0;
211 if (ppkey_id)
212 *ppkey_id = ameth->pkey_id;
213 if (ppkey_base_id)
214 *ppkey_base_id = ameth->pkey_base_id;
215 if (ppkey_flags)
216 *ppkey_flags = ameth->pkey_flags;
217 if (pinfo)
218 *pinfo = ameth->info;
219 if (ppem_str)
220 *ppem_str = ameth->pem_str;
221 return 1;
222}
223
224const EVP_PKEY_ASN1_METHOD *EVP_PKEY_get0_asn1(const EVP_PKEY *pkey)
225{
226 return pkey->ameth;
227}
228
229EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_new(int id, int flags,
230 const char *pem_str, const char *info)
231{
232 EVP_PKEY_ASN1_METHOD *ameth = OPENSSL_zalloc(sizeof(*ameth));
233
234 if (ameth == NULL)
235 return NULL;
236
237 ameth->pkey_id = id;
238 ameth->pkey_base_id = id;
239 ameth->pkey_flags = flags | ASN1_PKEY_DYNAMIC;
240
241 if (info) {
242 ameth->info = OPENSSL_strdup(info);
243 if (!ameth->info)
244 goto err;
245 }
246
247 if (pem_str) {
248 ameth->pem_str = OPENSSL_strdup(pem_str);
249 if (!ameth->pem_str)
250 goto err;
251 }
252
253 return ameth;
254
255 err:
256 EVP_PKEY_asn1_free(ameth);
257 return NULL;
258
259}
260
261void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst,
262 const EVP_PKEY_ASN1_METHOD *src)
263{
264
265 dst->pub_decode = src->pub_decode;
266 dst->pub_encode = src->pub_encode;
267 dst->pub_cmp = src->pub_cmp;
268 dst->pub_print = src->pub_print;
269
270 dst->priv_decode = src->priv_decode;
271 dst->priv_encode = src->priv_encode;
272 dst->priv_print = src->priv_print;
273
274 dst->old_priv_encode = src->old_priv_encode;
275 dst->old_priv_decode = src->old_priv_decode;
276
277 dst->pkey_size = src->pkey_size;
278 dst->pkey_bits = src->pkey_bits;
279
280 dst->param_decode = src->param_decode;
281 dst->param_encode = src->param_encode;
282 dst->param_missing = src->param_missing;
283 dst->param_copy = src->param_copy;
284 dst->param_cmp = src->param_cmp;
285 dst->param_print = src->param_print;
286
287 dst->pkey_free = src->pkey_free;
288 dst->pkey_ctrl = src->pkey_ctrl;
289
290 dst->item_sign = src->item_sign;
291 dst->item_verify = src->item_verify;
292
293}
294
295void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth)
296{
297 if (ameth && (ameth->pkey_flags & ASN1_PKEY_DYNAMIC)) {
298 OPENSSL_free(ameth->pem_str);
299 OPENSSL_free(ameth->info);
300 OPENSSL_free(ameth);
301 }
302}
303
304void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
305 int (*pub_decode) (EVP_PKEY *pk,
306 X509_PUBKEY *pub),
307 int (*pub_encode) (X509_PUBKEY *pub,
308 const EVP_PKEY *pk),
309 int (*pub_cmp) (const EVP_PKEY *a,
310 const EVP_PKEY *b),
311 int (*pub_print) (BIO *out,
312 const EVP_PKEY *pkey,
313 int indent, ASN1_PCTX *pctx),
314 int (*pkey_size) (const EVP_PKEY *pk),
315 int (*pkey_bits) (const EVP_PKEY *pk))
316{
317 ameth->pub_decode = pub_decode;
318 ameth->pub_encode = pub_encode;
319 ameth->pub_cmp = pub_cmp;
320 ameth->pub_print = pub_print;
321 ameth->pkey_size = pkey_size;
322 ameth->pkey_bits = pkey_bits;
323}
324
325void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
326 int (*priv_decode) (EVP_PKEY *pk,
327 const PKCS8_PRIV_KEY_INFO
328 *p8inf),
329 int (*priv_encode) (PKCS8_PRIV_KEY_INFO *p8,
330 const EVP_PKEY *pk),
331 int (*priv_print) (BIO *out,
332 const EVP_PKEY *pkey,
333 int indent,
334 ASN1_PCTX *pctx))
335{
336 ameth->priv_decode = priv_decode;
337 ameth->priv_encode = priv_encode;
338 ameth->priv_print = priv_print;
339}
340
341void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
342 int (*param_decode) (EVP_PKEY *pkey,
343 const unsigned char **pder,
344 int derlen),
345 int (*param_encode) (const EVP_PKEY *pkey,
346 unsigned char **pder),
347 int (*param_missing) (const EVP_PKEY *pk),
348 int (*param_copy) (EVP_PKEY *to,
349 const EVP_PKEY *from),
350 int (*param_cmp) (const EVP_PKEY *a,
351 const EVP_PKEY *b),
352 int (*param_print) (BIO *out,
353 const EVP_PKEY *pkey,
354 int indent, ASN1_PCTX *pctx))
355{
356 ameth->param_decode = param_decode;
357 ameth->param_encode = param_encode;
358 ameth->param_missing = param_missing;
359 ameth->param_copy = param_copy;
360 ameth->param_cmp = param_cmp;
361 ameth->param_print = param_print;
362}
363
364void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
365 void (*pkey_free) (EVP_PKEY *pkey))
366{
367 ameth->pkey_free = pkey_free;
368}
369
370void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
371 int (*pkey_ctrl) (EVP_PKEY *pkey, int op,
372 long arg1, void *arg2))
373{
374 ameth->pkey_ctrl = pkey_ctrl;
375}
376
377void EVP_PKEY_asn1_set_security_bits(EVP_PKEY_ASN1_METHOD *ameth,
378 int (*pkey_security_bits) (const EVP_PKEY
379 *pk))
380{
381 ameth->pkey_security_bits = pkey_security_bits;
382}
383
384void EVP_PKEY_asn1_set_item(EVP_PKEY_ASN1_METHOD *ameth,
385 int (*item_verify) (EVP_MD_CTX *ctx,
386 const ASN1_ITEM *it,
387 void *asn,
388 X509_ALGOR *a,
389 ASN1_BIT_STRING *sig,
390 EVP_PKEY *pkey),
391 int (*item_sign) (EVP_MD_CTX *ctx,
392 const ASN1_ITEM *it,
393 void *asn,
394 X509_ALGOR *alg1,
395 X509_ALGOR *alg2,
396 ASN1_BIT_STRING *sig))
397{
398 ameth->item_sign = item_sign;
399 ameth->item_verify = item_verify;
400}
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