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27af42f9 | 1 | /* |
33388b44 | 2 | * Copyright 2015-2020 The OpenSSL Project Authors. All Rights Reserved. |
27af42f9 | 3 | * |
48f4ad77 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
aa6bb135 RS |
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 | |
27af42f9 DSH |
8 | */ |
9 | ||
80ce21fe F |
10 | #ifndef OSSL_CRYPTO_EVP_H |
11 | # define OSSL_CRYPTO_EVP_H | |
12 | # pragma once | |
13 | ||
14 | # include <openssl/evp.h> | |
15 | # include <openssl/core_dispatch.h> | |
16 | # include "internal/refcount.h" | |
17 | # include "crypto/ecx.h" | |
2f545ae4 | 18 | |
4803717f PY |
19 | /* |
20 | * Don't free up md_ctx->pctx in EVP_MD_CTX_reset, use the reserved flag | |
21 | * values in evp.h | |
22 | */ | |
23 | #define EVP_MD_CTX_FLAG_KEEP_PKEY_CTX 0x0400 | |
24 | ||
f21c9c64 RL |
25 | /* |
26 | * An EVP_PKEY can have the following support states: | |
27 | * | |
28 | * Supports legacy implementations only: | |
29 | * | |
30 | * engine != NULL || keytype == NULL | |
31 | * | |
32 | * Supports provided implementations: | |
33 | * | |
34 | * engine == NULL && keytype != NULL | |
35 | */ | |
36 | #define evp_pkey_ctx_is_legacy(ctx) \ | |
37 | ((ctx)->engine != NULL || (ctx)->keytype == NULL) | |
38 | #define evp_pkey_ctx_is_provided(ctx) \ | |
39 | (!evp_pkey_ctx_is_legacy(ctx)) | |
40 | ||
27af42f9 | 41 | struct evp_pkey_ctx_st { |
864b89ce MC |
42 | /* Actual operation */ |
43 | int operation; | |
44 | ||
3ee348b0 | 45 | /* |
4b9e90f4 RL |
46 | * Library context, property query, keytype and keymgmt associated with |
47 | * this context | |
3ee348b0 | 48 | */ |
b4250010 | 49 | OSSL_LIB_CTX *libctx; |
ddfd7182 | 50 | char *propquery; |
4b9e90f4 | 51 | const char *keytype; |
c0e0984f RL |
52 | EVP_KEYMGMT *keymgmt; |
53 | ||
864b89ce | 54 | union { |
62924755 RL |
55 | struct { |
56 | void *genctx; | |
57 | } keymgmt; | |
58 | ||
864b89ce MC |
59 | struct { |
60 | EVP_KEYEXCH *exchange; | |
61 | void *exchprovctx; | |
62 | } kex; | |
ff64702b | 63 | |
864b89ce MC |
64 | struct { |
65 | EVP_SIGNATURE *signature; | |
66 | void *sigprovctx; | |
67 | } sig; | |
2c938e2e MC |
68 | |
69 | struct { | |
70 | EVP_ASYM_CIPHER *cipher; | |
71 | void *ciphprovctx; | |
72 | } ciph; | |
80f4fd18 SL |
73 | struct { |
74 | EVP_KEM *kem; | |
75 | void *kemprovctx; | |
76 | } encap; | |
864b89ce | 77 | } op; |
dfcb5d29 | 78 | |
86df26b3 RL |
79 | /* |
80 | * Cached parameters. Inits of operations that depend on these should | |
81 | * call evp_pkey_ctx_use_delayed_data() when the operation has been set | |
82 | * up properly. | |
83 | */ | |
84 | struct { | |
85 | /* Distinguishing Identifier, ISO/IEC 15946-3, FIPS 196 */ | |
86 | char *dist_id_name; /* The name used with EVP_PKEY_CTX_ctrl_str() */ | |
87 | void *dist_id; /* The distinguishing ID itself */ | |
88 | size_t dist_id_len; /* The length of the distinguishing ID */ | |
89 | ||
90 | /* Indicators of what has been set. Keep them together! */ | |
91 | unsigned int dist_id_set : 1; | |
92 | } cached_parameters; | |
93 | ||
62924755 RL |
94 | /* Application specific data, usually used by the callback */ |
95 | void *app_data; | |
96 | /* Keygen callback */ | |
97 | EVP_PKEY_gen_cb *pkey_gencb; | |
98 | /* implementation specific keygen data */ | |
99 | int *keygen_info; | |
100 | int keygen_info_count; | |
101 | ||
ff64702b MC |
102 | /* Legacy fields below */ |
103 | ||
50914496 RL |
104 | /* EVP_PKEY identity */ |
105 | int legacy_keytype; | |
27af42f9 DSH |
106 | /* Method associated with this operation */ |
107 | const EVP_PKEY_METHOD *pmeth; | |
108 | /* Engine that implements this method or NULL if builtin */ | |
109 | ENGINE *engine; | |
110 | /* Key: may be NULL */ | |
111 | EVP_PKEY *pkey; | |
112 | /* Peer key for key agreement, may be NULL */ | |
113 | EVP_PKEY *peerkey; | |
27af42f9 DSH |
114 | /* Algorithm specific data */ |
115 | void *data; | |
a5ce329e RL |
116 | /* Indicator if digest_custom needs to be called */ |
117 | unsigned int flag_call_digest_custom:1; | |
3786d748 | 118 | /* |
119 | * Used to support taking custody of memory in the case of a provider being | |
120 | * used with the deprecated EVP_PKEY_CTX_set_rsa_keygen_pubexp() API. This | |
121 | * member should NOT be used for any other purpose and should be removed | |
122 | * when said deprecated API is excised completely. | |
123 | */ | |
124 | BIGNUM *rsa_pubexp; | |
27af42f9 DSH |
125 | } /* EVP_PKEY_CTX */ ; |
126 | ||
127 | #define EVP_PKEY_FLAG_DYNAMIC 1 | |
128 | ||
129 | struct evp_pkey_method_st { | |
130 | int pkey_id; | |
131 | int flags; | |
132 | int (*init) (EVP_PKEY_CTX *ctx); | |
9fdcc21f | 133 | int (*copy) (EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src); |
27af42f9 DSH |
134 | void (*cleanup) (EVP_PKEY_CTX *ctx); |
135 | int (*paramgen_init) (EVP_PKEY_CTX *ctx); | |
136 | int (*paramgen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); | |
137 | int (*keygen_init) (EVP_PKEY_CTX *ctx); | |
138 | int (*keygen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); | |
139 | int (*sign_init) (EVP_PKEY_CTX *ctx); | |
140 | int (*sign) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, | |
141 | const unsigned char *tbs, size_t tbslen); | |
142 | int (*verify_init) (EVP_PKEY_CTX *ctx); | |
143 | int (*verify) (EVP_PKEY_CTX *ctx, | |
144 | const unsigned char *sig, size_t siglen, | |
145 | const unsigned char *tbs, size_t tbslen); | |
146 | int (*verify_recover_init) (EVP_PKEY_CTX *ctx); | |
147 | int (*verify_recover) (EVP_PKEY_CTX *ctx, | |
148 | unsigned char *rout, size_t *routlen, | |
149 | const unsigned char *sig, size_t siglen); | |
150 | int (*signctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); | |
151 | int (*signctx) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, | |
152 | EVP_MD_CTX *mctx); | |
153 | int (*verifyctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); | |
154 | int (*verifyctx) (EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen, | |
155 | EVP_MD_CTX *mctx); | |
156 | int (*encrypt_init) (EVP_PKEY_CTX *ctx); | |
157 | int (*encrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, | |
158 | const unsigned char *in, size_t inlen); | |
159 | int (*decrypt_init) (EVP_PKEY_CTX *ctx); | |
160 | int (*decrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, | |
161 | const unsigned char *in, size_t inlen); | |
162 | int (*derive_init) (EVP_PKEY_CTX *ctx); | |
163 | int (*derive) (EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen); | |
164 | int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, void *p2); | |
165 | int (*ctrl_str) (EVP_PKEY_CTX *ctx, const char *type, const char *value); | |
f723c98e DSH |
166 | int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen, |
167 | const unsigned char *tbs, size_t tbslen); | |
168 | int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig, | |
169 | size_t siglen, const unsigned char *tbs, | |
170 | size_t tbslen); | |
2aee35d3 | 171 | int (*check) (EVP_PKEY *pkey); |
b0004708 PY |
172 | int (*public_check) (EVP_PKEY *pkey); |
173 | int (*param_check) (EVP_PKEY *pkey); | |
0a8fdef7 PY |
174 | |
175 | int (*digest_custom) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); | |
27af42f9 DSH |
176 | } /* EVP_PKEY_METHOD */ ; |
177 | ||
a8eba56e | 178 | DEFINE_STACK_OF_CONST(EVP_PKEY_METHOD) |
4a1f3f27 | 179 | |
27af42f9 | 180 | void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx); |
8f463dbd | 181 | |
19bd1fa1 PS |
182 | const EVP_PKEY_METHOD *dh_pkey_method(void); |
183 | const EVP_PKEY_METHOD *dhx_pkey_method(void); | |
184 | const EVP_PKEY_METHOD *dsa_pkey_method(void); | |
185 | const EVP_PKEY_METHOD *ec_pkey_method(void); | |
19bd1fa1 PS |
186 | const EVP_PKEY_METHOD *ecx25519_pkey_method(void); |
187 | const EVP_PKEY_METHOD *ecx448_pkey_method(void); | |
188 | const EVP_PKEY_METHOD *ed25519_pkey_method(void); | |
189 | const EVP_PKEY_METHOD *ed448_pkey_method(void); | |
23b2fc0b P |
190 | const EVP_PKEY_METHOD *ossl_rsa_pkey_method(void); |
191 | const EVP_PKEY_METHOD *ossl_rsa_pss_pkey_method(void); | |
2db6bf6f | 192 | |
567db2c1 | 193 | struct evp_mac_st { |
e74bd290 | 194 | OSSL_PROVIDER *prov; |
f7c16d48 | 195 | int name_id; |
e74bd290 RL |
196 | |
197 | CRYPTO_REF_COUNT refcnt; | |
198 | CRYPTO_RWLOCK *lock; | |
199 | ||
363b1e5d DMSP |
200 | OSSL_FUNC_mac_newctx_fn *newctx; |
201 | OSSL_FUNC_mac_dupctx_fn *dupctx; | |
202 | OSSL_FUNC_mac_freectx_fn *freectx; | |
363b1e5d DMSP |
203 | OSSL_FUNC_mac_init_fn *init; |
204 | OSSL_FUNC_mac_update_fn *update; | |
205 | OSSL_FUNC_mac_final_fn *final; | |
206 | OSSL_FUNC_mac_gettable_params_fn *gettable_params; | |
207 | OSSL_FUNC_mac_gettable_ctx_params_fn *gettable_ctx_params; | |
208 | OSSL_FUNC_mac_settable_ctx_params_fn *settable_ctx_params; | |
209 | OSSL_FUNC_mac_get_params_fn *get_params; | |
210 | OSSL_FUNC_mac_get_ctx_params_fn *get_ctx_params; | |
211 | OSSL_FUNC_mac_set_ctx_params_fn *set_ctx_params; | |
567db2c1 RL |
212 | }; |
213 | ||
d2ba8123 | 214 | struct evp_kdf_st { |
fb9e6dd6 | 215 | OSSL_PROVIDER *prov; |
f7c16d48 | 216 | int name_id; |
fb9e6dd6 P |
217 | CRYPTO_REF_COUNT refcnt; |
218 | CRYPTO_RWLOCK *lock; | |
219 | ||
363b1e5d DMSP |
220 | OSSL_FUNC_kdf_newctx_fn *newctx; |
221 | OSSL_FUNC_kdf_dupctx_fn *dupctx; | |
222 | OSSL_FUNC_kdf_freectx_fn *freectx; | |
223 | OSSL_FUNC_kdf_reset_fn *reset; | |
224 | OSSL_FUNC_kdf_derive_fn *derive; | |
225 | OSSL_FUNC_kdf_gettable_params_fn *gettable_params; | |
226 | OSSL_FUNC_kdf_gettable_ctx_params_fn *gettable_ctx_params; | |
227 | OSSL_FUNC_kdf_settable_ctx_params_fn *settable_ctx_params; | |
228 | OSSL_FUNC_kdf_get_params_fn *get_params; | |
229 | OSSL_FUNC_kdf_get_ctx_params_fn *get_ctx_params; | |
230 | OSSL_FUNC_kdf_set_ctx_params_fn *set_ctx_params; | |
d2ba8123 | 231 | }; |
5a285add | 232 | |
2db6bf6f | 233 | struct evp_md_st { |
3653d0c2 | 234 | /* nid */ |
2db6bf6f | 235 | int type; |
3653d0c2 MC |
236 | |
237 | /* Legacy structure members */ | |
238 | /* TODO(3.0): Remove these */ | |
2db6bf6f RL |
239 | int pkey_type; |
240 | int md_size; | |
241 | unsigned long flags; | |
242 | int (*init) (EVP_MD_CTX *ctx); | |
243 | int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count); | |
244 | int (*final) (EVP_MD_CTX *ctx, unsigned char *md); | |
245 | int (*copy) (EVP_MD_CTX *to, const EVP_MD_CTX *from); | |
246 | int (*cleanup) (EVP_MD_CTX *ctx); | |
247 | int block_size; | |
248 | int ctx_size; /* how big does the ctx->md_data need to be */ | |
249 | /* control function */ | |
250 | int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, void *p2); | |
3653d0c2 MC |
251 | |
252 | /* New structure members */ | |
253 | /* TODO(3.0): Remove above comment when legacy has gone */ | |
f7c16d48 | 254 | int name_id; |
3653d0c2 MC |
255 | OSSL_PROVIDER *prov; |
256 | CRYPTO_REF_COUNT refcnt; | |
257 | CRYPTO_RWLOCK *lock; | |
363b1e5d DMSP |
258 | OSSL_FUNC_digest_newctx_fn *newctx; |
259 | OSSL_FUNC_digest_init_fn *dinit; | |
260 | OSSL_FUNC_digest_update_fn *dupdate; | |
261 | OSSL_FUNC_digest_final_fn *dfinal; | |
262 | OSSL_FUNC_digest_digest_fn *digest; | |
263 | OSSL_FUNC_digest_freectx_fn *freectx; | |
264 | OSSL_FUNC_digest_dupctx_fn *dupctx; | |
265 | OSSL_FUNC_digest_get_params_fn *get_params; | |
266 | OSSL_FUNC_digest_set_ctx_params_fn *set_ctx_params; | |
267 | OSSL_FUNC_digest_get_ctx_params_fn *get_ctx_params; | |
268 | OSSL_FUNC_digest_gettable_params_fn *gettable_params; | |
269 | OSSL_FUNC_digest_settable_ctx_params_fn *settable_ctx_params; | |
270 | OSSL_FUNC_digest_gettable_ctx_params_fn *gettable_ctx_params; | |
3653d0c2 | 271 | |
2db6bf6f RL |
272 | } /* EVP_MD */ ; |
273 | ||
e79f8773 RL |
274 | struct evp_cipher_st { |
275 | int nid; | |
df05f2ce | 276 | |
e79f8773 RL |
277 | int block_size; |
278 | /* Default value for variable length ciphers */ | |
279 | int key_len; | |
280 | int iv_len; | |
df05f2ce MC |
281 | |
282 | /* Legacy structure members */ | |
283 | /* TODO(3.0): Remove these */ | |
e79f8773 RL |
284 | /* Various flags */ |
285 | unsigned long flags; | |
286 | /* init key */ | |
287 | int (*init) (EVP_CIPHER_CTX *ctx, const unsigned char *key, | |
288 | const unsigned char *iv, int enc); | |
289 | /* encrypt/decrypt data */ | |
290 | int (*do_cipher) (EVP_CIPHER_CTX *ctx, unsigned char *out, | |
291 | const unsigned char *in, size_t inl); | |
292 | /* cleanup ctx */ | |
293 | int (*cleanup) (EVP_CIPHER_CTX *); | |
294 | /* how big ctx->cipher_data needs to be */ | |
295 | int ctx_size; | |
296 | /* Populate a ASN1_TYPE with parameters */ | |
297 | int (*set_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *); | |
298 | /* Get parameters from a ASN1_TYPE */ | |
299 | int (*get_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *); | |
300 | /* Miscellaneous operations */ | |
301 | int (*ctrl) (EVP_CIPHER_CTX *, int type, int arg, void *ptr); | |
302 | /* Application data */ | |
303 | void *app_data; | |
df05f2ce MC |
304 | |
305 | /* New structure members */ | |
306 | /* TODO(3.0): Remove above comment when legacy has gone */ | |
f7c16d48 | 307 | int name_id; |
df05f2ce MC |
308 | OSSL_PROVIDER *prov; |
309 | CRYPTO_REF_COUNT refcnt; | |
310 | CRYPTO_RWLOCK *lock; | |
363b1e5d DMSP |
311 | OSSL_FUNC_cipher_newctx_fn *newctx; |
312 | OSSL_FUNC_cipher_encrypt_init_fn *einit; | |
313 | OSSL_FUNC_cipher_decrypt_init_fn *dinit; | |
314 | OSSL_FUNC_cipher_update_fn *cupdate; | |
315 | OSSL_FUNC_cipher_final_fn *cfinal; | |
316 | OSSL_FUNC_cipher_cipher_fn *ccipher; | |
317 | OSSL_FUNC_cipher_freectx_fn *freectx; | |
318 | OSSL_FUNC_cipher_dupctx_fn *dupctx; | |
319 | OSSL_FUNC_cipher_get_params_fn *get_params; | |
320 | OSSL_FUNC_cipher_get_ctx_params_fn *get_ctx_params; | |
321 | OSSL_FUNC_cipher_set_ctx_params_fn *set_ctx_params; | |
322 | OSSL_FUNC_cipher_gettable_params_fn *gettable_params; | |
323 | OSSL_FUNC_cipher_gettable_ctx_params_fn *gettable_ctx_params; | |
324 | OSSL_FUNC_cipher_settable_ctx_params_fn *settable_ctx_params; | |
e79f8773 RL |
325 | } /* EVP_CIPHER */ ; |
326 | ||
327 | /* Macros to code block cipher wrappers */ | |
328 | ||
329 | /* Wrapper functions for each cipher mode */ | |
330 | ||
44ab2dfd MC |
331 | #define EVP_C_DATA(kstruct, ctx) \ |
332 | ((kstruct *)EVP_CIPHER_CTX_get_cipher_data(ctx)) | |
e79f8773 RL |
333 | |
334 | #define BLOCK_CIPHER_ecb_loop() \ | |
335 | size_t i, bl; \ | |
336 | bl = EVP_CIPHER_CTX_cipher(ctx)->block_size; \ | |
e8aa8b6c | 337 | if (inl < bl) return 1;\ |
e79f8773 | 338 | inl -= bl; \ |
e8aa8b6c | 339 | for (i=0; i <= inl; i+=bl) |
e79f8773 RL |
340 | |
341 | #define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ | |
342 | static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
343 | {\ | |
344 | BLOCK_CIPHER_ecb_loop() \ | |
345 | cprefix##_ecb_encrypt(in + i, out + i, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_encrypting(ctx)); \ | |
346 | return 1;\ | |
347 | } | |
348 | ||
349 | #define EVP_MAXCHUNK ((size_t)1<<(sizeof(long)*8-2)) | |
350 | ||
351 | #define BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) \ | |
352 | static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
353 | {\ | |
354 | while(inl>=EVP_MAXCHUNK) {\ | |
355 | int num = EVP_CIPHER_CTX_num(ctx);\ | |
2f5c405a | 356 | cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, &num); \ |
e79f8773 RL |
357 | EVP_CIPHER_CTX_set_num(ctx, num);\ |
358 | inl-=EVP_MAXCHUNK;\ | |
359 | in +=EVP_MAXCHUNK;\ | |
360 | out+=EVP_MAXCHUNK;\ | |
361 | }\ | |
362 | if (inl) {\ | |
363 | int num = EVP_CIPHER_CTX_num(ctx);\ | |
2f5c405a | 364 | cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, &num); \ |
e79f8773 RL |
365 | EVP_CIPHER_CTX_set_num(ctx, num);\ |
366 | }\ | |
367 | return 1;\ | |
368 | } | |
369 | ||
370 | #define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ | |
371 | static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
372 | {\ | |
373 | while(inl>=EVP_MAXCHUNK) \ | |
374 | {\ | |
2f5c405a | 375 | cprefix##_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, EVP_CIPHER_CTX_encrypting(ctx));\ |
e79f8773 RL |
376 | inl-=EVP_MAXCHUNK;\ |
377 | in +=EVP_MAXCHUNK;\ | |
378 | out+=EVP_MAXCHUNK;\ | |
379 | }\ | |
380 | if (inl)\ | |
2f5c405a | 381 | cprefix##_cbc_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, EVP_CIPHER_CTX_encrypting(ctx));\ |
e79f8773 RL |
382 | return 1;\ |
383 | } | |
384 | ||
385 | #define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ | |
386 | static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
387 | {\ | |
e8aa8b6c F |
388 | size_t chunk = EVP_MAXCHUNK;\ |
389 | if (cbits == 1) chunk >>= 3;\ | |
390 | if (inl < chunk) chunk = inl;\ | |
391 | while (inl && inl >= chunk)\ | |
392 | {\ | |
393 | int num = EVP_CIPHER_CTX_num(ctx);\ | |
394 | cprefix##_cfb##cbits##_encrypt(in, out, (long) \ | |
395 | ((cbits == 1) \ | |
396 | && !EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS) \ | |
604e591e | 397 | ? chunk*8 : chunk), \ |
2f5c405a | 398 | &EVP_C_DATA(kstruct, ctx)->ksched, ctx->iv,\ |
e8aa8b6c F |
399 | &num, EVP_CIPHER_CTX_encrypting(ctx));\ |
400 | EVP_CIPHER_CTX_set_num(ctx, num);\ | |
401 | inl -= chunk;\ | |
402 | in += chunk;\ | |
403 | out += chunk;\ | |
404 | if (inl < chunk) chunk = inl;\ | |
405 | }\ | |
406 | return 1;\ | |
e79f8773 RL |
407 | } |
408 | ||
409 | #define BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ | |
410 | BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ | |
411 | BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ | |
412 | BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ | |
413 | BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) | |
414 | ||
415 | #define BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, \ | |
416 | key_len, iv_len, flags, init_key, cleanup, \ | |
417 | set_asn1, get_asn1, ctrl) \ | |
418 | static const EVP_CIPHER cname##_##mode = { \ | |
419 | nid##_##nmode, block_size, key_len, iv_len, \ | |
420 | flags | EVP_CIPH_##MODE##_MODE, \ | |
421 | init_key, \ | |
422 | cname##_##mode##_cipher, \ | |
423 | cleanup, \ | |
424 | sizeof(kstruct), \ | |
425 | set_asn1, get_asn1,\ | |
426 | ctrl, \ | |
427 | NULL \ | |
428 | }; \ | |
429 | const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; } | |
430 | ||
431 | #define BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, \ | |
432 | iv_len, flags, init_key, cleanup, set_asn1, \ | |
433 | get_asn1, ctrl) \ | |
434 | BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \ | |
435 | iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) | |
436 | ||
437 | #define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, \ | |
438 | iv_len, cbits, flags, init_key, cleanup, \ | |
439 | set_asn1, get_asn1, ctrl) \ | |
440 | BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \ | |
441 | key_len, iv_len, flags, init_key, cleanup, set_asn1, \ | |
442 | get_asn1, ctrl) | |
443 | ||
444 | #define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \ | |
445 | iv_len, cbits, flags, init_key, cleanup, \ | |
446 | set_asn1, get_asn1, ctrl) \ | |
447 | BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \ | |
448 | key_len, iv_len, flags, init_key, cleanup, set_asn1, \ | |
449 | get_asn1, ctrl) | |
450 | ||
451 | #define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, \ | |
452 | flags, init_key, cleanup, set_asn1, \ | |
453 | get_asn1, ctrl) \ | |
454 | BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \ | |
455 | 0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) | |
456 | ||
457 | #define BLOCK_CIPHER_defs(cname, kstruct, \ | |
458 | nid, block_size, key_len, iv_len, cbits, flags, \ | |
459 | init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
460 | BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \ | |
461 | init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
462 | BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \ | |
463 | flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
464 | BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \ | |
465 | flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
466 | BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \ | |
467 | init_key, cleanup, set_asn1, get_asn1, ctrl) | |
468 | ||
469 | /*- | |
470 | #define BLOCK_CIPHER_defs(cname, kstruct, \ | |
471 | nid, block_size, key_len, iv_len, flags,\ | |
472 | init_key, cleanup, set_asn1, get_asn1, ctrl)\ | |
473 | static const EVP_CIPHER cname##_cbc = {\ | |
474 | nid##_cbc, block_size, key_len, iv_len, \ | |
475 | flags | EVP_CIPH_CBC_MODE,\ | |
476 | init_key,\ | |
477 | cname##_cbc_cipher,\ | |
478 | cleanup,\ | |
479 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
480 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
481 | set_asn1, get_asn1,\ | |
482 | ctrl, \ | |
483 | NULL \ | |
484 | };\ | |
485 | const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\ | |
486 | static const EVP_CIPHER cname##_cfb = {\ | |
487 | nid##_cfb64, 1, key_len, iv_len, \ | |
488 | flags | EVP_CIPH_CFB_MODE,\ | |
489 | init_key,\ | |
490 | cname##_cfb_cipher,\ | |
491 | cleanup,\ | |
492 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
493 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
494 | set_asn1, get_asn1,\ | |
495 | ctrl,\ | |
496 | NULL \ | |
497 | };\ | |
498 | const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\ | |
499 | static const EVP_CIPHER cname##_ofb = {\ | |
500 | nid##_ofb64, 1, key_len, iv_len, \ | |
501 | flags | EVP_CIPH_OFB_MODE,\ | |
502 | init_key,\ | |
503 | cname##_ofb_cipher,\ | |
504 | cleanup,\ | |
505 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
506 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
507 | set_asn1, get_asn1,\ | |
508 | ctrl,\ | |
509 | NULL \ | |
510 | };\ | |
511 | const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\ | |
512 | static const EVP_CIPHER cname##_ecb = {\ | |
513 | nid##_ecb, block_size, key_len, iv_len, \ | |
514 | flags | EVP_CIPH_ECB_MODE,\ | |
515 | init_key,\ | |
516 | cname##_ecb_cipher,\ | |
517 | cleanup,\ | |
518 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
519 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
520 | set_asn1, get_asn1,\ | |
521 | ctrl,\ | |
522 | NULL \ | |
523 | };\ | |
524 | const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; } | |
525 | */ | |
526 | ||
527 | #define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \ | |
528 | block_size, key_len, iv_len, cbits, \ | |
529 | flags, init_key, \ | |
530 | cleanup, set_asn1, get_asn1, ctrl) \ | |
531 | BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ | |
532 | BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \ | |
533 | cbits, flags, init_key, cleanup, set_asn1, \ | |
534 | get_asn1, ctrl) | |
535 | ||
536 | #define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len,fl) \ | |
537 | BLOCK_CIPHER_func_cfb(cipher##_##keysize,cprefix,cbits,kstruct,ksched) \ | |
538 | BLOCK_CIPHER_def_cfb(cipher##_##keysize,kstruct, \ | |
539 | NID_##cipher##_##keysize, keysize/8, iv_len, cbits, \ | |
540 | (fl)|EVP_CIPH_FLAG_DEFAULT_ASN1, \ | |
541 | cipher##_init_key, NULL, NULL, NULL, NULL) | |
542 | ||
924663c3 JZ |
543 | typedef struct { |
544 | unsigned char iv[EVP_MAX_IV_LENGTH]; | |
545 | unsigned int iv_len; | |
546 | unsigned int tag_len; | |
547 | } evp_cipher_aead_asn1_params; | |
548 | ||
549 | int evp_cipher_param_to_asn1_ex(EVP_CIPHER_CTX *c, ASN1_TYPE *type, | |
550 | evp_cipher_aead_asn1_params *params); | |
551 | ||
552 | int evp_cipher_asn1_to_param_ex(EVP_CIPHER_CTX *c, ASN1_TYPE *type, | |
553 | evp_cipher_aead_asn1_params *params); | |
554 | ||
64954e2f P |
555 | /* |
556 | * To support transparent execution of operation in backends other | |
557 | * than the "origin" key, we support transparent export/import to | |
558 | * those providers, and maintain a cache of the imported keydata, | |
559 | * so we don't need to redo the export/import every time we perform | |
560 | * the same operation in that same provider. | |
561 | * This requires that the "origin" backend (whether it's a legacy or a | |
562 | * provider "origin") implements exports, and that the target provider | |
563 | * has an EVP_KEYMGMT that implements import. | |
564 | */ | |
565 | typedef struct { | |
566 | EVP_KEYMGMT *keymgmt; | |
567 | void *keydata; | |
568 | } OP_CACHE_ELEM; | |
569 | ||
570 | DEFINE_STACK_OF(OP_CACHE_ELEM) | |
571 | ||
3aeb9348 | 572 | /* |
adc9f731 RL |
573 | * An EVP_PKEY can have the following states: |
574 | * | |
575 | * untyped & empty: | |
576 | * | |
577 | * type == EVP_PKEY_NONE && keymgmt == NULL | |
578 | * | |
579 | * typed & empty: | |
580 | * | |
581 | * (type != EVP_PKEY_NONE && pkey.ptr == NULL) ## legacy (libcrypto only) | |
582 | * || (keymgmt != NULL && keydata == NULL) ## provider side | |
583 | * | |
584 | * fully assigned: | |
585 | * | |
586 | * (type != EVP_PKEY_NONE && pkey.ptr != NULL) ## legacy (libcrypto only) | |
587 | * || (keymgmt != NULL && keydata != NULL) ## provider side | |
588 | * | |
5e5bc836 RL |
589 | * The easiest way to detect a legacy key is: |
590 | * | |
591 | * keymgmt == NULL && type != EVP_PKEY_NONE | |
592 | * | |
593 | * The easiest way to detect a provider side key is: | |
594 | * | |
595 | * keymgmt != NULL | |
3aeb9348 | 596 | */ |
5e5bc836 RL |
597 | #define evp_pkey_is_blank(pk) \ |
598 | ((pk)->type == EVP_PKEY_NONE && (pk)->keymgmt == NULL) | |
599 | #define evp_pkey_is_typed(pk) \ | |
600 | ((pk)->type != EVP_PKEY_NONE || (pk)->keymgmt != NULL) | |
601 | #define evp_pkey_is_assigned(pk) \ | |
602 | ((pk)->pkey.ptr != NULL || (pk)->keydata != NULL) | |
603 | #define evp_pkey_is_legacy(pk) \ | |
604 | ((pk)->type != EVP_PKEY_NONE && (pk)->keymgmt == NULL) | |
605 | #define evp_pkey_is_provided(pk) \ | |
606 | ((pk)->keymgmt != NULL) | |
607 | ||
3aeb9348 | 608 | struct evp_pkey_st { |
a94a3e0d | 609 | /* == Legacy attributes == */ |
3aeb9348 DSH |
610 | int type; |
611 | int save_type; | |
3c6ed955 | 612 | |
f844f9eb | 613 | # ifndef FIPS_MODULE |
3c6ed955 RL |
614 | /* |
615 | * Legacy key "origin" is composed of a pointer to an EVP_PKEY_ASN1_METHOD, | |
616 | * a pointer to a low level key and possibly a pointer to an engine. | |
617 | */ | |
3aeb9348 DSH |
618 | const EVP_PKEY_ASN1_METHOD *ameth; |
619 | ENGINE *engine; | |
d19b01ad | 620 | ENGINE *pmeth_engine; /* If not NULL public key ENGINE to use */ |
3aeb9348 | 621 | union { |
a4cb54d2 | 622 | void *ptr; |
3aeb9348 | 623 | struct rsa_st *rsa; /* RSA */ |
adc9f731 | 624 | # ifndef OPENSSL_NO_DSA |
3aeb9348 | 625 | struct dsa_st *dsa; /* DSA */ |
adc9f731 RL |
626 | # endif |
627 | # ifndef OPENSSL_NO_DH | |
3aeb9348 | 628 | struct dh_st *dh; /* DH */ |
adc9f731 RL |
629 | # endif |
630 | # ifndef OPENSSL_NO_EC | |
3aeb9348 | 631 | struct ec_key_st *ec; /* ECC */ |
13735cfe | 632 | ECX_KEY *ecx; /* X25519, X448, Ed25519, Ed448 */ |
adc9f731 | 633 | # endif |
3aeb9348 | 634 | } pkey; |
adc9f731 | 635 | # endif |
a94a3e0d RL |
636 | |
637 | /* == Common attributes == */ | |
4ce1025a | 638 | /* If these are modified, so must evp_pkey_downgrade() */ |
a94a3e0d | 639 | CRYPTO_REF_COUNT references; |
03273d61 | 640 | CRYPTO_RWLOCK *lock; |
a94a3e0d RL |
641 | STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */ |
642 | int save_parameters; | |
f844f9eb | 643 | #ifndef FIPS_MODULE |
ff1f7cde AT |
644 | CRYPTO_EX_DATA ex_data; |
645 | #endif | |
a94a3e0d RL |
646 | |
647 | /* == Provider attributes == */ | |
3c6ed955 RL |
648 | |
649 | /* | |
650 | * Provider keydata "origin" is composed of a pointer to an EVP_KEYMGMT | |
651 | * and a pointer to the provider side key data. This is never used at | |
652 | * the same time as the legacy key data above. | |
653 | */ | |
654 | EVP_KEYMGMT *keymgmt; | |
655 | void *keydata; | |
656 | /* | |
657 | * If any libcrypto code does anything that may modify the keydata | |
658 | * contents, this dirty counter must be incremented. | |
659 | */ | |
660 | size_t dirty_cnt; | |
661 | ||
a94a3e0d | 662 | /* |
3c6ed955 RL |
663 | * To support transparent execution of operation in backends other |
664 | * than the "origin" key, we support transparent export/import to | |
665 | * those providers, and maintain a cache of the imported keydata, | |
666 | * so we don't need to redo the export/import every time we perform | |
667 | * the same operation in that same provider. | |
a94a3e0d | 668 | */ |
64954e2f P |
669 | STACK_OF(OP_CACHE_ELEM) *operation_cache; |
670 | ||
70a1f7b4 | 671 | /* |
3c6ed955 RL |
672 | * We keep a copy of that "origin"'s dirty count, so we know if the |
673 | * operation cache needs flushing. | |
70a1f7b4 RL |
674 | */ |
675 | size_t dirty_cnt_copy; | |
6508e858 | 676 | |
b305452f | 677 | /* Cache of key object information */ |
6508e858 RL |
678 | struct { |
679 | int bits; | |
680 | int security_bits; | |
681 | int size; | |
682 | } cache; | |
3aeb9348 | 683 | } /* EVP_PKEY */ ; |
7b9f8f7f | 684 | |
864b89ce MC |
685 | #define EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) \ |
686 | ((ctx)->operation == EVP_PKEY_OP_SIGN \ | |
687 | || (ctx)->operation == EVP_PKEY_OP_SIGNCTX \ | |
688 | || (ctx)->operation == EVP_PKEY_OP_VERIFY \ | |
689 | || (ctx)->operation == EVP_PKEY_OP_VERIFYCTX \ | |
690 | || (ctx)->operation == EVP_PKEY_OP_VERIFYRECOVER) | |
691 | ||
692 | #define EVP_PKEY_CTX_IS_DERIVE_OP(ctx) \ | |
693 | ((ctx)->operation == EVP_PKEY_OP_DERIVE) | |
7b9f8f7f | 694 | |
2c938e2e MC |
695 | #define EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) \ |
696 | ((ctx)->operation == EVP_PKEY_OP_ENCRYPT \ | |
697 | || (ctx)->operation == EVP_PKEY_OP_DECRYPT) | |
698 | ||
62924755 RL |
699 | #define EVP_PKEY_CTX_IS_GEN_OP(ctx) \ |
700 | ((ctx)->operation == EVP_PKEY_OP_PARAMGEN \ | |
701 | || (ctx)->operation == EVP_PKEY_OP_KEYGEN) | |
702 | ||
80f4fd18 SL |
703 | #define EVP_PKEY_CTX_IS_KEM_OP(ctx) \ |
704 | ((ctx)->operation == EVP_PKEY_OP_ENCAPSULATE \ | |
705 | || (ctx)->operation == EVP_PKEY_OP_DECAPSULATE) | |
706 | ||
b3599dbb MC |
707 | void openssl_add_all_ciphers_int(void); |
708 | void openssl_add_all_digests_int(void); | |
709 | void evp_cleanup_int(void); | |
0822e89a | 710 | void evp_app_cleanup_int(void); |
b4250010 | 711 | void *evp_pkey_export_to_provider(EVP_PKEY *pk, OSSL_LIB_CTX *libctx, |
3c6ed955 RL |
712 | EVP_KEYMGMT **keymgmt, |
713 | const char *propquery); | |
f844f9eb | 714 | #ifndef FIPS_MODULE |
4ce1025a | 715 | int evp_pkey_copy_downgraded(EVP_PKEY **dest, const EVP_PKEY *src); |
acb90ba8 | 716 | int evp_pkey_downgrade(EVP_PKEY *pk); |
62924755 RL |
717 | void evp_pkey_free_legacy(EVP_PKEY *x); |
718 | #endif | |
9d6fcd42 | 719 | |
68552cde RL |
720 | /* |
721 | * KEYMGMT utility functions | |
722 | */ | |
af836c22 RL |
723 | |
724 | /* | |
725 | * Key import structure and helper function, to be used as an export callback | |
726 | */ | |
727 | struct evp_keymgmt_util_try_import_data_st { | |
728 | EVP_KEYMGMT *keymgmt; | |
729 | void *keydata; | |
730 | ||
731 | int selection; | |
732 | }; | |
733 | int evp_keymgmt_util_try_import(const OSSL_PARAM params[], void *arg); | |
734 | int evp_keymgmt_util_assign_pkey(EVP_PKEY *pkey, EVP_KEYMGMT *keymgmt, | |
735 | void *keydata); | |
736 | EVP_PKEY *evp_keymgmt_util_make_pkey(EVP_KEYMGMT *keymgmt, void *keydata); | |
737 | ||
655f73ce RL |
738 | int evp_keymgmt_util_export(const EVP_PKEY *pk, int selection, |
739 | OSSL_CALLBACK *export_cb, void *export_cbarg); | |
b305452f | 740 | void *evp_keymgmt_util_export_to_provider(EVP_PKEY *pk, EVP_KEYMGMT *keymgmt); |
64954e2f P |
741 | OP_CACHE_ELEM *evp_keymgmt_util_find_operation_cache(EVP_PKEY *pk, |
742 | EVP_KEYMGMT *keymgmt); | |
0b07db6f | 743 | int evp_keymgmt_util_clear_operation_cache(EVP_PKEY *pk, int locking); |
64954e2f | 744 | int evp_keymgmt_util_cache_keydata(EVP_PKEY *pk, |
3c6ed955 RL |
745 | EVP_KEYMGMT *keymgmt, void *keydata); |
746 | void evp_keymgmt_util_cache_keyinfo(EVP_PKEY *pk); | |
68552cde | 747 | void *evp_keymgmt_util_fromdata(EVP_PKEY *target, EVP_KEYMGMT *keymgmt, |
b305452f | 748 | int selection, const OSSL_PARAM params[]); |
157ded39 | 749 | int evp_keymgmt_util_has(EVP_PKEY *pk, int selection); |
1e9101c4 | 750 | int evp_keymgmt_util_match(EVP_PKEY *pk1, EVP_PKEY *pk2, int selection); |
ff3b59e1 | 751 | int evp_keymgmt_util_copy(EVP_PKEY *to, EVP_PKEY *from, int selection); |
62924755 RL |
752 | void *evp_keymgmt_util_gen(EVP_PKEY *target, EVP_KEYMGMT *keymgmt, |
753 | void *genctx, OSSL_CALLBACK *cb, void *cbarg); | |
3b924da0 RL |
754 | int evp_keymgmt_util_get_deflt_digest_name(EVP_KEYMGMT *keymgmt, |
755 | void *keydata, | |
756 | char *mdname, size_t mdname_sz); | |
70a1f7b4 | 757 | |
68552cde RL |
758 | /* |
759 | * KEYMGMT provider interface functions | |
760 | */ | |
b305452f RL |
761 | void *evp_keymgmt_newdata(const EVP_KEYMGMT *keymgmt); |
762 | void evp_keymgmt_freedata(const EVP_KEYMGMT *keymgmt, void *keyddata); | |
763 | int evp_keymgmt_get_params(const EVP_KEYMGMT *keymgmt, | |
764 | void *keydata, OSSL_PARAM params[]); | |
4fe54d67 NT |
765 | int evp_keymgmt_set_params(const EVP_KEYMGMT *keymgmt, |
766 | void *keydata, const OSSL_PARAM params[]); | |
1a5632e0 RL |
767 | void *evp_keymgmt_gen_init(const EVP_KEYMGMT *keymgmt, int selection); |
768 | int evp_keymgmt_gen_set_template(const EVP_KEYMGMT *keymgmt, void *genctx, | |
769 | void *template); | |
770 | int evp_keymgmt_gen_set_params(const EVP_KEYMGMT *keymgmt, void *genctx, | |
771 | const OSSL_PARAM params[]); | |
1a5632e0 RL |
772 | void *evp_keymgmt_gen(const EVP_KEYMGMT *keymgmt, void *genctx, |
773 | OSSL_CALLBACK *cb, void *cbarg); | |
774 | void evp_keymgmt_gen_cleanup(const EVP_KEYMGMT *keymgmt, void *genctx); | |
b305452f | 775 | |
5dacb38c RL |
776 | void *evp_keymgmt_load(const EVP_KEYMGMT *keymgmt, |
777 | const void *objref, size_t objref_sz); | |
778 | ||
b305452f RL |
779 | int evp_keymgmt_has(const EVP_KEYMGMT *keymgmt, void *keyddata, int selection); |
780 | int evp_keymgmt_validate(const EVP_KEYMGMT *keymgmt, void *keydata, | |
899e2564 | 781 | int selection, int checktype); |
bee5d6cd RL |
782 | int evp_keymgmt_match(const EVP_KEYMGMT *keymgmt, |
783 | const void *keydata1, const void *keydata2, | |
784 | int selection); | |
b305452f RL |
785 | |
786 | int evp_keymgmt_import(const EVP_KEYMGMT *keymgmt, void *keydata, | |
787 | int selection, const OSSL_PARAM params[]); | |
788 | const OSSL_PARAM *evp_keymgmt_import_types(const EVP_KEYMGMT *keymgmt, | |
789 | int selection); | |
790 | int evp_keymgmt_export(const EVP_KEYMGMT *keymgmt, void *keydata, | |
791 | int selection, OSSL_CALLBACK *param_cb, void *cbarg); | |
792 | const OSSL_PARAM *evp_keymgmt_export_types(const EVP_KEYMGMT *keymgmt, | |
793 | int selection); | |
13697f1c RL |
794 | int evp_keymgmt_copy(const EVP_KEYMGMT *keymgmt, |
795 | void *keydata_to, const void *keydata_from, | |
796 | int selection); | |
12603de6 | 797 | |
46f4e1be | 798 | /* Pulling defines out of C source files */ |
9d6fcd42 | 799 | |
80ce21fe F |
800 | # define EVP_RC4_KEY_SIZE 16 |
801 | # ifndef TLS1_1_VERSION | |
802 | # define TLS1_1_VERSION 0x0302 | |
803 | # endif | |
c0804614 MC |
804 | |
805 | void evp_encode_ctx_set_flags(EVP_ENCODE_CTX *ctx, unsigned int flags); | |
806 | ||
807 | /* EVP_ENCODE_CTX flags */ | |
3fd59700 MC |
808 | /* Don't generate new lines when encoding */ |
809 | #define EVP_ENCODE_CTX_NO_NEWLINES 1 | |
810 | /* Use the SRP base64 alphabet instead of the standard one */ | |
811 | #define EVP_ENCODE_CTX_USE_SRP_ALPHABET 2 | |
7606bed9 | 812 | |
b4250010 DMSP |
813 | const EVP_CIPHER *evp_get_cipherbyname_ex(OSSL_LIB_CTX *libctx, |
814 | const char *name); | |
815 | const EVP_MD *evp_get_digestbyname_ex(OSSL_LIB_CTX *libctx, | |
816 | const char *name); | |
e683582b | 817 | |
d8652be0 MC |
818 | int pkcs5_pbkdf2_hmac_ex(const char *pass, int passlen, |
819 | const unsigned char *salt, int saltlen, int iter, | |
820 | const EVP_MD *digest, int keylen, unsigned char *out, | |
b4250010 | 821 | OSSL_LIB_CTX *libctx, const char *propq); |
5ccada09 | 822 | |
80ce21fe | 823 | # ifndef FIPS_MODULE |
4fe54d67 NT |
824 | /* |
825 | * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params(). | |
826 | * | |
827 | * Return 1 on success, 0 or negative for errors. | |
828 | * | |
829 | * In particular they return -2 if any of the params is not supported. | |
830 | * | |
f844f9eb | 831 | * They are not available in FIPS_MODULE as they depend on |
4fe54d67 NT |
832 | * - EVP_PKEY_CTX_{get,set}_params() |
833 | * - EVP_PKEY_CTX_{gettable,settable}_params() | |
834 | * | |
835 | */ | |
836 | int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params); | |
837 | int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params); | |
472a88b7 | 838 | |
d8652be0 | 839 | EVP_MD_CTX *evp_md_ctx_new_ex(EVP_PKEY *pkey, const ASN1_OCTET_STRING *id, |
b4250010 | 840 | OSSL_LIB_CTX *libctx, const char *propq); |
50914496 | 841 | int evp_pkey_name2type(const char *name); |
977e95b9 | 842 | const char *evp_pkey_type2name(int type); |
86df26b3 RL |
843 | |
844 | int evp_pkey_ctx_set1_id_prov(EVP_PKEY_CTX *ctx, const void *id, int len); | |
845 | int evp_pkey_ctx_get1_id_prov(EVP_PKEY_CTX *ctx, void *id); | |
846 | int evp_pkey_ctx_get1_id_len_prov(EVP_PKEY_CTX *ctx, size_t *id_len); | |
847 | ||
848 | int evp_pkey_ctx_use_cached_data(EVP_PKEY_CTX *ctx); | |
80ce21fe F |
849 | # endif /* !defined(FIPS_MODULE) */ |
850 | ||
b4250010 DMSP |
851 | void evp_method_store_flush(OSSL_LIB_CTX *libctx); |
852 | int evp_set_default_properties_int(OSSL_LIB_CTX *libctx, const char *propq, | |
e6c54619 | 853 | int loadconfig); |
3101ab60 MC |
854 | |
855 | void evp_md_ctx_clear_digest(EVP_MD_CTX *ctx, int force); | |
80ce21fe F |
856 | |
857 | #endif /* OSSL_CRYPTO_EVP_H */ |