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pmeth_lib.c (256281) pmeth_lib.c (280304)
1/* pmeth_lib.c */
1/* pmeth_lib.c */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 2006.
2/*
3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4 * 2006.
4 */
5/* ====================================================================
6 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
5 */
6/* ====================================================================
7 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:

--- 35 unchanged lines hidden (view full) ---

57 */
58
59#include <stdio.h>
60#include <stdlib.h>
61#include "cryptlib.h"
62#include <openssl/objects.h>
63#include <openssl/evp.h>
64#ifndef OPENSSL_NO_ENGINE
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
19 * distribution.
20 *
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:

--- 35 unchanged lines hidden (view full) ---

58 */
59
60#include <stdio.h>
61#include <stdlib.h>
62#include "cryptlib.h"
63#include <openssl/objects.h>
64#include <openssl/evp.h>
65#ifndef OPENSSL_NO_ENGINE
65#include
66# include <openssl/engine.h>
66#endif
67#include "asn1_locl.h"
68#include "evp_locl.h"
69
67#endif
68#include "asn1_locl.h"
69#include "evp_locl.h"
70
70typedef int sk_cmp_fn_type(const char * const *a, const char * const *b);
71typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
71
72DECLARE_STACK_OF(EVP_PKEY_METHOD)
73STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
74
75extern const EVP_PKEY_METHOD rsa_pkey_meth, dh_pkey_meth, dsa_pkey_meth;
76extern const EVP_PKEY_METHOD ec_pkey_meth, hmac_pkey_meth, cmac_pkey_meth;
77
72
73DECLARE_STACK_OF(EVP_PKEY_METHOD)
74STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
75
76extern const EVP_PKEY_METHOD rsa_pkey_meth, dh_pkey_meth, dsa_pkey_meth;
77extern const EVP_PKEY_METHOD ec_pkey_meth, hmac_pkey_meth, cmac_pkey_meth;
78
78static const EVP_PKEY_METHOD *standard_methods[] =
79 {
79static const EVP_PKEY_METHOD *standard_methods[] = {
80#ifndef OPENSSL_NO_RSA
80#ifndef OPENSSL_NO_RSA
81 &rsa_pkey_meth,
81 &rsa_pkey_meth,
82#endif
83#ifndef OPENSSL_NO_DH
82#endif
83#ifndef OPENSSL_NO_DH
84 &dh_pkey_meth,
84 &dh_pkey_meth,
85#endif
86#ifndef OPENSSL_NO_DSA
85#endif
86#ifndef OPENSSL_NO_DSA
87 &dsa_pkey_meth,
87 &dsa_pkey_meth,
88#endif
89#ifndef OPENSSL_NO_EC
88#endif
89#ifndef OPENSSL_NO_EC
90 &ec_pkey_meth,
90 &ec_pkey_meth,
91#endif
91#endif
92 &hmac_pkey_meth,
93 &cmac_pkey_meth
94 };
92 &hmac_pkey_meth,
93 &cmac_pkey_meth
94};
95
96DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
95
96DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
97 pmeth);
97 pmeth);
98
98
99static int pmeth_cmp(const EVP_PKEY_METHOD * const *a,
100 const EVP_PKEY_METHOD * const *b)
101 {
102 return ((*a)->pkey_id - (*b)->pkey_id);
103 }
99static int pmeth_cmp(const EVP_PKEY_METHOD *const *a,
100 const EVP_PKEY_METHOD *const *b)
101{
102 return ((*a)->pkey_id - (*b)->pkey_id);
103}
104
105IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
104
105IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
106 pmeth);
106 pmeth);
107
108const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
107
108const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
109 {
110 EVP_PKEY_METHOD tmp;
111 const EVP_PKEY_METHOD *t = &tmp, **ret;
112 tmp.pkey_id = type;
113 if (app_pkey_methods)
114 {
115 int idx;
116 idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
117 if (idx >= 0)
118 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
119 }
120 ret = OBJ_bsearch_pmeth(&t, standard_methods,
121 sizeof(standard_methods)/sizeof(EVP_PKEY_METHOD *));
122 if (!ret || !*ret)
123 return NULL;
124 return *ret;
125 }
109{
110 EVP_PKEY_METHOD tmp;
111 const EVP_PKEY_METHOD *t = &tmp, **ret;
112 tmp.pkey_id = type;
113 if (app_pkey_methods) {
114 int idx;
115 idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
116 if (idx >= 0)
117 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
118 }
119 ret = OBJ_bsearch_pmeth(&t, standard_methods,
120 sizeof(standard_methods) /
121 sizeof(EVP_PKEY_METHOD *));
122 if (!ret || !*ret)
123 return NULL;
124 return *ret;
125}
126
127static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)
126
127static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)
128 {
129 EVP_PKEY_CTX *ret;
130 const EVP_PKEY_METHOD *pmeth;
131 if (id == -1)
132 {
133 if (!pkey || !pkey->ameth)
134 return NULL;
135 id = pkey->ameth->pkey_id;
136 }
128{
129 EVP_PKEY_CTX *ret;
130 const EVP_PKEY_METHOD *pmeth;
131 if (id == -1) {
132 if (!pkey || !pkey->ameth)
133 return NULL;
134 id = pkey->ameth->pkey_id;
135 }
137#ifndef OPENSSL_NO_ENGINE
136#ifndef OPENSSL_NO_ENGINE
138 if (pkey && pkey->engine)
139 e = pkey->engine;
140 /* Try to find an ENGINE which implements this method */
141 if (e)
142 {
143 if (!ENGINE_init(e))
144 {
145 EVPerr(EVP_F_INT_CTX_NEW,ERR_R_ENGINE_LIB);
146 return NULL;
147 }
148 }
149 else
150 e = ENGINE_get_pkey_meth_engine(id);
137 if (pkey && pkey->engine)
138 e = pkey->engine;
139 /* Try to find an ENGINE which implements this method */
140 if (e) {
141 if (!ENGINE_init(e)) {
142 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
143 return NULL;
144 }
145 } else
146 e = ENGINE_get_pkey_meth_engine(id);
151
147
152 /* If an ENGINE handled this method look it up. Othewise
153 * use internal tables.
154 */
148 /*
149 * If an ENGINE handled this method look it up. Othewise use internal
150 * tables.
151 */
155
152
156 if (e)
157 pmeth = ENGINE_get_pkey_meth(e, id);
158 else
153 if (e)
154 pmeth = ENGINE_get_pkey_meth(e, id);
155 else
159#endif
156#endif
160 pmeth = EVP_PKEY_meth_find(id);
157 pmeth = EVP_PKEY_meth_find(id);
161
158
162 if (pmeth == NULL)
163 {
164 EVPerr(EVP_F_INT_CTX_NEW,EVP_R_UNSUPPORTED_ALGORITHM);
165 return NULL;
166 }
159 if (pmeth == NULL) {
160 EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
161 return NULL;
162 }
167
163
168 ret = OPENSSL_malloc(sizeof(EVP_PKEY_CTX));
169 if (!ret)
170 {
164 ret = OPENSSL_malloc(sizeof(EVP_PKEY_CTX));
165 if (!ret) {
171#ifndef OPENSSL_NO_ENGINE
166#ifndef OPENSSL_NO_ENGINE
172 if (e)
173 ENGINE_finish(e);
167 if (e)
168 ENGINE_finish(e);
174#endif
169#endif
175 EVPerr(EVP_F_INT_CTX_NEW,ERR_R_MALLOC_FAILURE);
176 return NULL;
177 }
178 ret->engine = e;
179 ret->pmeth = pmeth;
180 ret->operation = EVP_PKEY_OP_UNDEFINED;
181 ret->pkey = pkey;
182 ret->peerkey = NULL;
183 ret->pkey_gencb = 0;
184 if (pkey)
185 CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY);
186 ret->data = NULL;
170 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
171 return NULL;
172 }
173 ret->engine = e;
174 ret->pmeth = pmeth;
175 ret->operation = EVP_PKEY_OP_UNDEFINED;
176 ret->pkey = pkey;
177 ret->peerkey = NULL;
178 ret->pkey_gencb = 0;
179 if (pkey)
180 CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
181 ret->data = NULL;
187
182
188 if (pmeth->init)
189 {
190 if (pmeth->init(ret) <= 0)
191 {
192 EVP_PKEY_CTX_free(ret);
193 return NULL;
194 }
195 }
183 if (pmeth->init) {
184 if (pmeth->init(ret) <= 0) {
185 EVP_PKEY_CTX_free(ret);
186 return NULL;
187 }
188 }
196
189
197 return ret;
198 }
190 return ret;
191}
199
192
200EVP_PKEY_METHOD* EVP_PKEY_meth_new(int id, int flags)
201 {
202 EVP_PKEY_METHOD *pmeth;
203 pmeth = OPENSSL_malloc(sizeof(EVP_PKEY_METHOD));
204 if (!pmeth)
205 return NULL;
193EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
194{
195 EVP_PKEY_METHOD *pmeth;
196 pmeth = OPENSSL_malloc(sizeof(EVP_PKEY_METHOD));
197 if (!pmeth)
198 return NULL;
206
199
207 memset(pmeth, 0, sizeof(EVP_PKEY_METHOD));
200 memset(pmeth, 0, sizeof(EVP_PKEY_METHOD));
208
201
209 pmeth->pkey_id = id;
210 pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
202 pmeth->pkey_id = id;
203 pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
211
204
212 pmeth->init = 0;
213 pmeth->copy = 0;
214 pmeth->cleanup = 0;
215 pmeth->paramgen_init = 0;
216 pmeth->paramgen = 0;
217 pmeth->keygen_init = 0;
218 pmeth->keygen = 0;
219 pmeth->sign_init = 0;
220 pmeth->sign = 0;
221 pmeth->verify_init = 0;
222 pmeth->verify = 0;
223 pmeth->verify_recover_init = 0;
224 pmeth->verify_recover = 0;
225 pmeth->signctx_init = 0;
226 pmeth->signctx = 0;
227 pmeth->verifyctx_init = 0;
228 pmeth->verifyctx = 0;
229 pmeth->encrypt_init = 0;
230 pmeth->encrypt = 0;
231 pmeth->decrypt_init = 0;
232 pmeth->decrypt = 0;
233 pmeth->derive_init = 0;
234 pmeth->derive = 0;
235 pmeth->ctrl = 0;
236 pmeth->ctrl_str = 0;
205 pmeth->init = 0;
206 pmeth->copy = 0;
207 pmeth->cleanup = 0;
208 pmeth->paramgen_init = 0;
209 pmeth->paramgen = 0;
210 pmeth->keygen_init = 0;
211 pmeth->keygen = 0;
212 pmeth->sign_init = 0;
213 pmeth->sign = 0;
214 pmeth->verify_init = 0;
215 pmeth->verify = 0;
216 pmeth->verify_recover_init = 0;
217 pmeth->verify_recover = 0;
218 pmeth->signctx_init = 0;
219 pmeth->signctx = 0;
220 pmeth->verifyctx_init = 0;
221 pmeth->verifyctx = 0;
222 pmeth->encrypt_init = 0;
223 pmeth->encrypt = 0;
224 pmeth->decrypt_init = 0;
225 pmeth->decrypt = 0;
226 pmeth->derive_init = 0;
227 pmeth->derive = 0;
228 pmeth->ctrl = 0;
229 pmeth->ctrl_str = 0;
237
230
238 return pmeth;
239 }
231 return pmeth;
232}
240
241void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
233
234void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
242 const EVP_PKEY_METHOD *meth)
243 {
244 if (ppkey_id)
245 *ppkey_id = meth->pkey_id;
246 if (pflags)
247 *pflags = meth->flags;
248 }
235 const EVP_PKEY_METHOD *meth)
236{
237 if (ppkey_id)
238 *ppkey_id = meth->pkey_id;
239 if (pflags)
240 *pflags = meth->flags;
241}
249
250void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
242
243void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
251 {
244{
252
245
253 dst->init = src->init;
254 dst->copy = src->copy;
255 dst->cleanup = src->cleanup;
246 dst->init = src->init;
247 dst->copy = src->copy;
248 dst->cleanup = src->cleanup;
256
249
257 dst->paramgen_init = src->paramgen_init;
258 dst->paramgen = src->paramgen;
250 dst->paramgen_init = src->paramgen_init;
251 dst->paramgen = src->paramgen;
259
252
260 dst->keygen_init = src->keygen_init;
261 dst->keygen = src->keygen;
253 dst->keygen_init = src->keygen_init;
254 dst->keygen = src->keygen;
262
255
263 dst->sign_init = src->sign_init;
264 dst->sign = src->sign;
256 dst->sign_init = src->sign_init;
257 dst->sign = src->sign;
265
258
266 dst->verify_init = src->verify_init;
267 dst->verify = src->verify;
259 dst->verify_init = src->verify_init;
260 dst->verify = src->verify;
268
261
269 dst->verify_recover_init = src->verify_recover_init;
270 dst->verify_recover = src->verify_recover;
262 dst->verify_recover_init = src->verify_recover_init;
263 dst->verify_recover = src->verify_recover;
271
264
272 dst->signctx_init = src->signctx_init;
273 dst->signctx = src->signctx;
265 dst->signctx_init = src->signctx_init;
266 dst->signctx = src->signctx;
274
267
275 dst->verifyctx_init = src->verifyctx_init;
276 dst->verifyctx = src->verifyctx;
268 dst->verifyctx_init = src->verifyctx_init;
269 dst->verifyctx = src->verifyctx;
277
270
278 dst->encrypt_init = src->encrypt_init;
279 dst->encrypt = src->encrypt;
271 dst->encrypt_init = src->encrypt_init;
272 dst->encrypt = src->encrypt;
280
273
281 dst->decrypt_init = src->decrypt_init;
282 dst->decrypt = src->decrypt;
274 dst->decrypt_init = src->decrypt_init;
275 dst->decrypt = src->decrypt;
283
276
284 dst->derive_init = src->derive_init;
285 dst->derive = src->derive;
277 dst->derive_init = src->derive_init;
278 dst->derive = src->derive;
286
279
287 dst->ctrl = src->ctrl;
288 dst->ctrl_str = src->ctrl_str;
289 }
280 dst->ctrl = src->ctrl;
281 dst->ctrl_str = src->ctrl_str;
282}
290
291void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
283
284void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
292 {
293 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
294 OPENSSL_free(pmeth);
295 }
285{
286 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
287 OPENSSL_free(pmeth);
288}
296
297EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
289
290EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
298 {
299 return int_ctx_new(pkey, e, -1);
300 }
291{
292 return int_ctx_new(pkey, e, -1);
293}
301
302EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
294
295EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
303 {
304 return int_ctx_new(NULL, e, id);
305 }
296{
297 return int_ctx_new(NULL, e, id);
298}
306
307EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx)
299
300EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx)
308 {
309 EVP_PKEY_CTX *rctx;
310 if (!pctx->pmeth || !pctx->pmeth->copy)
311 return NULL;
301{
302 EVP_PKEY_CTX *rctx;
303 if (!pctx->pmeth || !pctx->pmeth->copy)
304 return NULL;
312#ifndef OPENSSL_NO_ENGINE
305#ifndef OPENSSL_NO_ENGINE
313 /* Make sure it's safe to copy a pkey context using an ENGINE */
314 if (pctx->engine && !ENGINE_init(pctx->engine))
315 {
316 EVPerr(EVP_F_EVP_PKEY_CTX_DUP,ERR_R_ENGINE_LIB);
317 return 0;
318 }
306 /* Make sure it's safe to copy a pkey context using an ENGINE */
307 if (pctx->engine && !ENGINE_init(pctx->engine)) {
308 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB);
309 return 0;
310 }
319#endif
311#endif
320 rctx = OPENSSL_malloc(sizeof(EVP_PKEY_CTX));
321 if (!rctx)
322 return NULL;
312 rctx = OPENSSL_malloc(sizeof(EVP_PKEY_CTX));
313 if (!rctx)
314 return NULL;
323
315
324 rctx->pmeth = pctx->pmeth;
316 rctx->pmeth = pctx->pmeth;
325#ifndef OPENSSL_NO_ENGINE
317#ifndef OPENSSL_NO_ENGINE
326 rctx->engine = pctx->engine;
318 rctx->engine = pctx->engine;
327#endif
328
319#endif
320
329 if (pctx->pkey)
330 CRYPTO_add(&pctx->pkey->references,1,CRYPTO_LOCK_EVP_PKEY);
321 if (pctx->pkey)
322 CRYPTO_add(&pctx->pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
331
323
332 rctx->pkey = pctx->pkey;
324 rctx->pkey = pctx->pkey;
333
325
334 if (pctx->peerkey)
335 CRYPTO_add(&pctx->peerkey->references,1,CRYPTO_LOCK_EVP_PKEY);
326 if (pctx->peerkey)
327 CRYPTO_add(&pctx->peerkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
336
328
337 rctx->peerkey = pctx->peerkey;
329 rctx->peerkey = pctx->peerkey;
338
330
339 rctx->data = NULL;
340 rctx->app_data = NULL;
341 rctx->operation = pctx->operation;
331 rctx->data = NULL;
332 rctx->app_data = NULL;
333 rctx->operation = pctx->operation;
342
334
343 if (pctx->pmeth->copy(rctx, pctx) > 0)
344 return rctx;
335 if (pctx->pmeth->copy(rctx, pctx) > 0)
336 return rctx;
345
337
346 EVP_PKEY_CTX_free(rctx);
347 return NULL;
338 EVP_PKEY_CTX_free(rctx);
339 return NULL;
348
340
349 }
341}
350
351int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
342
343int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
352 {
353 if (app_pkey_methods == NULL)
354 {
355 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
356 if (!app_pkey_methods)
357 return 0;
358 }
359 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth))
360 return 0;
361 sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
362 return 1;
363 }
344{
345 if (app_pkey_methods == NULL) {
346 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
347 if (!app_pkey_methods)
348 return 0;
349 }
350 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth))
351 return 0;
352 sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
353 return 1;
354}
364
365void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
355
356void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
366 {
367 if (ctx == NULL)
368 return;
369 if (ctx->pmeth && ctx->pmeth->cleanup)
370 ctx->pmeth->cleanup(ctx);
371 if (ctx->pkey)
372 EVP_PKEY_free(ctx->pkey);
373 if (ctx->peerkey)
374 EVP_PKEY_free(ctx->peerkey);
357{
358 if (ctx == NULL)
359 return;
360 if (ctx->pmeth && ctx->pmeth->cleanup)
361 ctx->pmeth->cleanup(ctx);
362 if (ctx->pkey)
363 EVP_PKEY_free(ctx->pkey);
364 if (ctx->peerkey)
365 EVP_PKEY_free(ctx->peerkey);
375#ifndef OPENSSL_NO_ENGINE
366#ifndef OPENSSL_NO_ENGINE
376 if(ctx->engine)
377 /* The EVP_PKEY_CTX we used belongs to an ENGINE, release the
378 * functional reference we held for this reason. */
379 ENGINE_finish(ctx->engine);
367 if (ctx->engine)
368 /*
369 * The EVP_PKEY_CTX we used belongs to an ENGINE, release the
370 * functional reference we held for this reason.
371 */
372 ENGINE_finish(ctx->engine);
380#endif
373#endif
381 OPENSSL_free(ctx);
382 }
374 OPENSSL_free(ctx);
375}
383
384int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
376
377int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
385 int cmd, int p1, void *p2)
386 {
387 int ret;
388 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl)
389 {
390 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
391 return -2;
392 }
393 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
394 return -1;
378 int cmd, int p1, void *p2)
379{
380 int ret;
381 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl) {
382 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
383 return -2;
384 }
385 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
386 return -1;
395
387
396 if (ctx->operation == EVP_PKEY_OP_UNDEFINED)
397 {
398 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
399 return -1;
400 }
388 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
389 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
390 return -1;
391 }
401
392
402 if ((optype != -1) && !(ctx->operation & optype))
403 {
404 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
405 return -1;
406 }
393 if ((optype != -1) && !(ctx->operation & optype)) {
394 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
395 return -1;
396 }
407
397
408 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
398 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
409
399
410 if (ret == -2)
411 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
400 if (ret == -2)
401 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
412
402
413 return ret;
403 return ret;
414
404
415 }
405}
416
417int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
406
407int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
418 const char *name, const char *value)
419 {
420 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str)
421 {
422 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR,
423 EVP_R_COMMAND_NOT_SUPPORTED);
424 return -2;
425 }
426 if (!strcmp(name, "digest"))
427 {
428 const EVP_MD *md;
429 if (!value || !(md = EVP_get_digestbyname(value)))
430 {
431 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR,
432 EVP_R_INVALID_DIGEST);
433 return 0;
434 }
435 return EVP_PKEY_CTX_set_signature_md(ctx, md);
436 }
437 return ctx->pmeth->ctrl_str(ctx, name, value);
438 }
408 const char *name, const char *value)
409{
410 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
411 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
412 return -2;
413 }
414 if (!strcmp(name, "digest")) {
415 const EVP_MD *md;
416 if (!value || !(md = EVP_get_digestbyname(value))) {
417 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_INVALID_DIGEST);
418 return 0;
419 }
420 return EVP_PKEY_CTX_set_signature_md(ctx, md);
421 }
422 return ctx->pmeth->ctrl_str(ctx, name, value);
423}
439
440int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
424
425int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
441 {
442 return ctx->operation;
443 }
426{
427 return ctx->operation;
428}
444
445void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
429
430void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
446 {
447 ctx->keygen_info = dat;
448 ctx->keygen_info_count = datlen;
449 }
431{
432 ctx->keygen_info = dat;
433 ctx->keygen_info_count = datlen;
434}
450
451void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
435
436void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
452 {
453 ctx->data = data;
454 }
437{
438 ctx->data = data;
439}
455
456void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx)
440
441void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx)
457 {
458 return ctx->data;
459 }
442{
443 return ctx->data;
444}
460
461EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
445
446EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
462 {
463 return ctx->pkey;
464 }
447{
448 return ctx->pkey;
449}
465
466EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
450
451EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
467 {
468 return ctx->peerkey;
469 }
470
452{
453 return ctx->peerkey;
454}
455
471void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
456void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
472 {
473 ctx->app_data = data;
474 }
457{
458 ctx->app_data = data;
459}
475
476void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
460
461void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
477 {
478 return ctx->app_data;
479 }
462{
463 return ctx->app_data;
464}
480
481void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
465
466void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
482 int (*init)(EVP_PKEY_CTX *ctx))
483 {
484 pmeth->init = init;
485 }
467 int (*init) (EVP_PKEY_CTX *ctx))
468{
469 pmeth->init = init;
470}
486
487void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
471
472void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
488 int (*copy)(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src))
489 {
490 pmeth->copy = copy;
491 }
473 int (*copy) (EVP_PKEY_CTX *dst,
474 EVP_PKEY_CTX *src))
475{
476 pmeth->copy = copy;
477}
492
493void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
478
479void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
494 void (*cleanup)(EVP_PKEY_CTX *ctx))
495 {
496 pmeth->cleanup = cleanup;
497 }
480 void (*cleanup) (EVP_PKEY_CTX *ctx))
481{
482 pmeth->cleanup = cleanup;
483}
498
499void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
484
485void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
500 int (*paramgen_init)(EVP_PKEY_CTX *ctx),
501 int (*paramgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey))
502 {
503 pmeth->paramgen_init = paramgen_init;
504 pmeth->paramgen = paramgen;
505 }
486 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
487 int (*paramgen) (EVP_PKEY_CTX *ctx,
488 EVP_PKEY *pkey))
489{
490 pmeth->paramgen_init = paramgen_init;
491 pmeth->paramgen = paramgen;
492}
506
507void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
493
494void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
508 int (*keygen_init)(EVP_PKEY_CTX *ctx),
509 int (*keygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey))
510 {
511 pmeth->keygen_init = keygen_init;
512 pmeth->keygen = keygen;
513 }
495 int (*keygen_init) (EVP_PKEY_CTX *ctx),
496 int (*keygen) (EVP_PKEY_CTX *ctx,
497 EVP_PKEY *pkey))
498{
499 pmeth->keygen_init = keygen_init;
500 pmeth->keygen = keygen;
501}
514
515void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
502
503void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
516 int (*sign_init)(EVP_PKEY_CTX *ctx),
517 int (*sign)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
518 const unsigned char *tbs, size_t tbslen))
519 {
520 pmeth->sign_init = sign_init;
521 pmeth->sign = sign;
522 }
504 int (*sign_init) (EVP_PKEY_CTX *ctx),
505 int (*sign) (EVP_PKEY_CTX *ctx,
506 unsigned char *sig, size_t *siglen,
507 const unsigned char *tbs,
508 size_t tbslen))
509{
510 pmeth->sign_init = sign_init;
511 pmeth->sign = sign;
512}
523
524void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
513
514void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
525 int (*verify_init)(EVP_PKEY_CTX *ctx),
526 int (*verify)(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen,
527 const unsigned char *tbs, size_t tbslen))
528 {
529 pmeth->verify_init = verify_init;
530 pmeth->verify = verify;
531 }
515 int (*verify_init) (EVP_PKEY_CTX *ctx),
516 int (*verify) (EVP_PKEY_CTX *ctx,
517 const unsigned char *sig,
518 size_t siglen,
519 const unsigned char *tbs,
520 size_t tbslen))
521{
522 pmeth->verify_init = verify_init;
523 pmeth->verify = verify;
524}
532
533void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
525
526void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
534 int (*verify_recover_init)(EVP_PKEY_CTX *ctx),
535 int (*verify_recover)(EVP_PKEY_CTX *ctx,
536 unsigned char *sig, size_t *siglen,
537 const unsigned char *tbs, size_t tbslen))
538 {
539 pmeth->verify_recover_init = verify_recover_init;
540 pmeth->verify_recover = verify_recover;
541 }
527 int (*verify_recover_init) (EVP_PKEY_CTX
528 *ctx),
529 int (*verify_recover) (EVP_PKEY_CTX
530 *ctx,
531 unsigned char
532 *sig,
533 size_t *siglen,
534 const unsigned
535 char *tbs,
536 size_t tbslen))
537{
538 pmeth->verify_recover_init = verify_recover_init;
539 pmeth->verify_recover = verify_recover;
540}
542
543void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
541
542void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
544 int (*signctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
545 int (*signctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
546 EVP_MD_CTX *mctx))
547 {
548 pmeth->signctx_init = signctx_init;
549 pmeth->signctx = signctx;
550 }
543 int (*signctx_init) (EVP_PKEY_CTX *ctx,
544 EVP_MD_CTX *mctx),
545 int (*signctx) (EVP_PKEY_CTX *ctx,
546 unsigned char *sig,
547 size_t *siglen,
548 EVP_MD_CTX *mctx))
549{
550 pmeth->signctx_init = signctx_init;
551 pmeth->signctx = signctx;
552}
551
552void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
553
554void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
553 int (*verifyctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
554 int (*verifyctx)(EVP_PKEY_CTX *ctx, const unsigned char *sig,int siglen,
555 EVP_MD_CTX *mctx))
556 {
557 pmeth->verifyctx_init = verifyctx_init;
558 pmeth->verifyctx = verifyctx;
559 }
555 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
556 EVP_MD_CTX *mctx),
557 int (*verifyctx) (EVP_PKEY_CTX *ctx,
558 const unsigned char *sig,
559 int siglen,
560 EVP_MD_CTX *mctx))
561{
562 pmeth->verifyctx_init = verifyctx_init;
563 pmeth->verifyctx = verifyctx;
564}
560
561void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
565
566void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
562 int (*encrypt_init)(EVP_PKEY_CTX *ctx),
563 int (*encryptfn)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
564 const unsigned char *in, size_t inlen))
565 {
566 pmeth->encrypt_init = encrypt_init;
567 pmeth->encrypt = encryptfn;
568 }
567 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
568 int (*encryptfn) (EVP_PKEY_CTX *ctx,
569 unsigned char *out,
570 size_t *outlen,
571 const unsigned char *in,
572 size_t inlen))
573{
574 pmeth->encrypt_init = encrypt_init;
575 pmeth->encrypt = encryptfn;
576}
569
570void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
577
578void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
571 int (*decrypt_init)(EVP_PKEY_CTX *ctx),
572 int (*decrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
573 const unsigned char *in, size_t inlen))
574 {
575 pmeth->decrypt_init = decrypt_init;
576 pmeth->decrypt = decrypt;
577 }
579 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
580 int (*decrypt) (EVP_PKEY_CTX *ctx,
581 unsigned char *out,
582 size_t *outlen,
583 const unsigned char *in,
584 size_t inlen))
585{
586 pmeth->decrypt_init = decrypt_init;
587 pmeth->decrypt = decrypt;
588}
578
579void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
589
590void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
580 int (*derive_init)(EVP_PKEY_CTX *ctx),
581 int (*derive)(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen))
582 {
583 pmeth->derive_init = derive_init;
584 pmeth->derive = derive;
585 }
591 int (*derive_init) (EVP_PKEY_CTX *ctx),
592 int (*derive) (EVP_PKEY_CTX *ctx,
593 unsigned char *key,
594 size_t *keylen))
595{
596 pmeth->derive_init = derive_init;
597 pmeth->derive = derive;
598}
586
587void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
599
600void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
588 int (*ctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2),
589 int (*ctrl_str)(EVP_PKEY_CTX *ctx, const char *type, const char *value))
590 {
591 pmeth->ctrl = ctrl;
592 pmeth->ctrl_str = ctrl_str;
593 }
601 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
602 void *p2),
603 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
604 const char *type,
605 const char *value))
606{
607 pmeth->ctrl = ctrl;
608 pmeth->ctrl_str = ctrl_str;
609}