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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 | ||
c0804614 | 10 | #include <openssl/evp.h> |
23c48d94 | 11 | #include <openssl/core_dispatch.h> |
2f545ae4 | 12 | #include "internal/refcount.h" |
4de88fe6 | 13 | #include "crypto/ecx.h" |
2f545ae4 | 14 | |
4803717f PY |
15 | /* |
16 | * Don't free up md_ctx->pctx in EVP_MD_CTX_reset, use the reserved flag | |
17 | * values in evp.h | |
18 | */ | |
19 | #define EVP_MD_CTX_FLAG_KEEP_PKEY_CTX 0x0400 | |
20 | ||
f21c9c64 RL |
21 | /* |
22 | * An EVP_PKEY can have the following support states: | |
23 | * | |
24 | * Supports legacy implementations only: | |
25 | * | |
26 | * engine != NULL || keytype == NULL | |
27 | * | |
28 | * Supports provided implementations: | |
29 | * | |
30 | * engine == NULL && keytype != NULL | |
31 | */ | |
32 | #define evp_pkey_ctx_is_legacy(ctx) \ | |
33 | ((ctx)->engine != NULL || (ctx)->keytype == NULL) | |
34 | #define evp_pkey_ctx_is_provided(ctx) \ | |
35 | (!evp_pkey_ctx_is_legacy(ctx)) | |
36 | ||
27af42f9 | 37 | struct evp_pkey_ctx_st { |
864b89ce MC |
38 | /* Actual operation */ |
39 | int operation; | |
40 | ||
3ee348b0 | 41 | /* |
4b9e90f4 RL |
42 | * Library context, property query, keytype and keymgmt associated with |
43 | * this context | |
3ee348b0 RL |
44 | */ |
45 | OPENSSL_CTX *libctx; | |
a07c17ef | 46 | const char *propquery; |
4b9e90f4 | 47 | const char *keytype; |
c0e0984f RL |
48 | EVP_KEYMGMT *keymgmt; |
49 | ||
864b89ce | 50 | union { |
62924755 RL |
51 | struct { |
52 | void *genctx; | |
53 | } keymgmt; | |
54 | ||
864b89ce MC |
55 | struct { |
56 | EVP_KEYEXCH *exchange; | |
57 | void *exchprovctx; | |
58 | } kex; | |
ff64702b | 59 | |
864b89ce MC |
60 | struct { |
61 | EVP_SIGNATURE *signature; | |
62 | void *sigprovctx; | |
63 | } sig; | |
2c938e2e MC |
64 | |
65 | struct { | |
66 | EVP_ASYM_CIPHER *cipher; | |
67 | void *ciphprovctx; | |
68 | } ciph; | |
80f4fd18 SL |
69 | struct { |
70 | EVP_KEM *kem; | |
71 | void *kemprovctx; | |
72 | } encap; | |
864b89ce | 73 | } op; |
dfcb5d29 | 74 | |
86df26b3 RL |
75 | /* |
76 | * Cached parameters. Inits of operations that depend on these should | |
77 | * call evp_pkey_ctx_use_delayed_data() when the operation has been set | |
78 | * up properly. | |
79 | */ | |
80 | struct { | |
81 | /* Distinguishing Identifier, ISO/IEC 15946-3, FIPS 196 */ | |
82 | char *dist_id_name; /* The name used with EVP_PKEY_CTX_ctrl_str() */ | |
83 | void *dist_id; /* The distinguishing ID itself */ | |
84 | size_t dist_id_len; /* The length of the distinguishing ID */ | |
85 | ||
86 | /* Indicators of what has been set. Keep them together! */ | |
87 | unsigned int dist_id_set : 1; | |
88 | } cached_parameters; | |
89 | ||
62924755 RL |
90 | /* Application specific data, usually used by the callback */ |
91 | void *app_data; | |
92 | /* Keygen callback */ | |
93 | EVP_PKEY_gen_cb *pkey_gencb; | |
94 | /* implementation specific keygen data */ | |
95 | int *keygen_info; | |
96 | int keygen_info_count; | |
97 | ||
ff64702b MC |
98 | /* Legacy fields below */ |
99 | ||
50914496 RL |
100 | /* EVP_PKEY identity */ |
101 | int legacy_keytype; | |
27af42f9 DSH |
102 | /* Method associated with this operation */ |
103 | const EVP_PKEY_METHOD *pmeth; | |
104 | /* Engine that implements this method or NULL if builtin */ | |
105 | ENGINE *engine; | |
106 | /* Key: may be NULL */ | |
107 | EVP_PKEY *pkey; | |
108 | /* Peer key for key agreement, may be NULL */ | |
109 | EVP_PKEY *peerkey; | |
27af42f9 DSH |
110 | /* Algorithm specific data */ |
111 | void *data; | |
a5ce329e RL |
112 | /* Indicator if digest_custom needs to be called */ |
113 | unsigned int flag_call_digest_custom:1; | |
3786d748 | 114 | /* |
115 | * Used to support taking custody of memory in the case of a provider being | |
116 | * used with the deprecated EVP_PKEY_CTX_set_rsa_keygen_pubexp() API. This | |
117 | * member should NOT be used for any other purpose and should be removed | |
118 | * when said deprecated API is excised completely. | |
119 | */ | |
120 | BIGNUM *rsa_pubexp; | |
27af42f9 DSH |
121 | } /* EVP_PKEY_CTX */ ; |
122 | ||
123 | #define EVP_PKEY_FLAG_DYNAMIC 1 | |
124 | ||
125 | struct evp_pkey_method_st { | |
126 | int pkey_id; | |
127 | int flags; | |
128 | int (*init) (EVP_PKEY_CTX *ctx); | |
9fdcc21f | 129 | int (*copy) (EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src); |
27af42f9 DSH |
130 | void (*cleanup) (EVP_PKEY_CTX *ctx); |
131 | int (*paramgen_init) (EVP_PKEY_CTX *ctx); | |
132 | int (*paramgen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); | |
133 | int (*keygen_init) (EVP_PKEY_CTX *ctx); | |
134 | int (*keygen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); | |
135 | int (*sign_init) (EVP_PKEY_CTX *ctx); | |
136 | int (*sign) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, | |
137 | const unsigned char *tbs, size_t tbslen); | |
138 | int (*verify_init) (EVP_PKEY_CTX *ctx); | |
139 | int (*verify) (EVP_PKEY_CTX *ctx, | |
140 | const unsigned char *sig, size_t siglen, | |
141 | const unsigned char *tbs, size_t tbslen); | |
142 | int (*verify_recover_init) (EVP_PKEY_CTX *ctx); | |
143 | int (*verify_recover) (EVP_PKEY_CTX *ctx, | |
144 | unsigned char *rout, size_t *routlen, | |
145 | const unsigned char *sig, size_t siglen); | |
146 | int (*signctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); | |
147 | int (*signctx) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, | |
148 | EVP_MD_CTX *mctx); | |
149 | int (*verifyctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); | |
150 | int (*verifyctx) (EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen, | |
151 | EVP_MD_CTX *mctx); | |
152 | int (*encrypt_init) (EVP_PKEY_CTX *ctx); | |
153 | int (*encrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, | |
154 | const unsigned char *in, size_t inlen); | |
155 | int (*decrypt_init) (EVP_PKEY_CTX *ctx); | |
156 | int (*decrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, | |
157 | const unsigned char *in, size_t inlen); | |
158 | int (*derive_init) (EVP_PKEY_CTX *ctx); | |
159 | int (*derive) (EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen); | |
160 | int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, void *p2); | |
161 | int (*ctrl_str) (EVP_PKEY_CTX *ctx, const char *type, const char *value); | |
f723c98e DSH |
162 | int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen, |
163 | const unsigned char *tbs, size_t tbslen); | |
164 | int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig, | |
165 | size_t siglen, const unsigned char *tbs, | |
166 | size_t tbslen); | |
2aee35d3 | 167 | int (*check) (EVP_PKEY *pkey); |
b0004708 PY |
168 | int (*public_check) (EVP_PKEY *pkey); |
169 | int (*param_check) (EVP_PKEY *pkey); | |
0a8fdef7 PY |
170 | |
171 | int (*digest_custom) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); | |
27af42f9 DSH |
172 | } /* EVP_PKEY_METHOD */ ; |
173 | ||
a8eba56e | 174 | DEFINE_STACK_OF_CONST(EVP_PKEY_METHOD) |
4a1f3f27 | 175 | |
27af42f9 | 176 | void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx); |
8f463dbd | 177 | |
19bd1fa1 PS |
178 | const EVP_PKEY_METHOD *dh_pkey_method(void); |
179 | const EVP_PKEY_METHOD *dhx_pkey_method(void); | |
180 | const EVP_PKEY_METHOD *dsa_pkey_method(void); | |
181 | const EVP_PKEY_METHOD *ec_pkey_method(void); | |
19bd1fa1 PS |
182 | const EVP_PKEY_METHOD *ecx25519_pkey_method(void); |
183 | const EVP_PKEY_METHOD *ecx448_pkey_method(void); | |
184 | const EVP_PKEY_METHOD *ed25519_pkey_method(void); | |
185 | const EVP_PKEY_METHOD *ed448_pkey_method(void); | |
23b2fc0b P |
186 | const EVP_PKEY_METHOD *ossl_rsa_pkey_method(void); |
187 | const EVP_PKEY_METHOD *ossl_rsa_pss_pkey_method(void); | |
2db6bf6f | 188 | |
567db2c1 | 189 | struct evp_mac_st { |
e74bd290 | 190 | OSSL_PROVIDER *prov; |
f7c16d48 | 191 | int name_id; |
e74bd290 RL |
192 | |
193 | CRYPTO_REF_COUNT refcnt; | |
194 | CRYPTO_RWLOCK *lock; | |
195 | ||
363b1e5d DMSP |
196 | OSSL_FUNC_mac_newctx_fn *newctx; |
197 | OSSL_FUNC_mac_dupctx_fn *dupctx; | |
198 | OSSL_FUNC_mac_freectx_fn *freectx; | |
199 | OSSL_FUNC_mac_size_fn *size; | |
200 | OSSL_FUNC_mac_init_fn *init; | |
201 | OSSL_FUNC_mac_update_fn *update; | |
202 | OSSL_FUNC_mac_final_fn *final; | |
203 | OSSL_FUNC_mac_gettable_params_fn *gettable_params; | |
204 | OSSL_FUNC_mac_gettable_ctx_params_fn *gettable_ctx_params; | |
205 | OSSL_FUNC_mac_settable_ctx_params_fn *settable_ctx_params; | |
206 | OSSL_FUNC_mac_get_params_fn *get_params; | |
207 | OSSL_FUNC_mac_get_ctx_params_fn *get_ctx_params; | |
208 | OSSL_FUNC_mac_set_ctx_params_fn *set_ctx_params; | |
567db2c1 RL |
209 | }; |
210 | ||
d2ba8123 | 211 | struct evp_kdf_st { |
fb9e6dd6 | 212 | OSSL_PROVIDER *prov; |
f7c16d48 | 213 | int name_id; |
fb9e6dd6 P |
214 | CRYPTO_REF_COUNT refcnt; |
215 | CRYPTO_RWLOCK *lock; | |
216 | ||
363b1e5d DMSP |
217 | OSSL_FUNC_kdf_newctx_fn *newctx; |
218 | OSSL_FUNC_kdf_dupctx_fn *dupctx; | |
219 | OSSL_FUNC_kdf_freectx_fn *freectx; | |
220 | OSSL_FUNC_kdf_reset_fn *reset; | |
221 | OSSL_FUNC_kdf_derive_fn *derive; | |
222 | OSSL_FUNC_kdf_gettable_params_fn *gettable_params; | |
223 | OSSL_FUNC_kdf_gettable_ctx_params_fn *gettable_ctx_params; | |
224 | OSSL_FUNC_kdf_settable_ctx_params_fn *settable_ctx_params; | |
225 | OSSL_FUNC_kdf_get_params_fn *get_params; | |
226 | OSSL_FUNC_kdf_get_ctx_params_fn *get_ctx_params; | |
227 | OSSL_FUNC_kdf_set_ctx_params_fn *set_ctx_params; | |
d2ba8123 | 228 | }; |
5a285add | 229 | |
2db6bf6f | 230 | struct evp_md_st { |
3653d0c2 | 231 | /* nid */ |
2db6bf6f | 232 | int type; |
3653d0c2 MC |
233 | |
234 | /* Legacy structure members */ | |
235 | /* TODO(3.0): Remove these */ | |
2db6bf6f RL |
236 | int pkey_type; |
237 | int md_size; | |
238 | unsigned long flags; | |
239 | int (*init) (EVP_MD_CTX *ctx); | |
240 | int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count); | |
241 | int (*final) (EVP_MD_CTX *ctx, unsigned char *md); | |
242 | int (*copy) (EVP_MD_CTX *to, const EVP_MD_CTX *from); | |
243 | int (*cleanup) (EVP_MD_CTX *ctx); | |
244 | int block_size; | |
245 | int ctx_size; /* how big does the ctx->md_data need to be */ | |
246 | /* control function */ | |
247 | int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, void *p2); | |
3653d0c2 MC |
248 | |
249 | /* New structure members */ | |
250 | /* TODO(3.0): Remove above comment when legacy has gone */ | |
f7c16d48 | 251 | int name_id; |
3653d0c2 MC |
252 | OSSL_PROVIDER *prov; |
253 | CRYPTO_REF_COUNT refcnt; | |
254 | CRYPTO_RWLOCK *lock; | |
363b1e5d DMSP |
255 | OSSL_FUNC_digest_newctx_fn *newctx; |
256 | OSSL_FUNC_digest_init_fn *dinit; | |
257 | OSSL_FUNC_digest_update_fn *dupdate; | |
258 | OSSL_FUNC_digest_final_fn *dfinal; | |
259 | OSSL_FUNC_digest_digest_fn *digest; | |
260 | OSSL_FUNC_digest_freectx_fn *freectx; | |
261 | OSSL_FUNC_digest_dupctx_fn *dupctx; | |
262 | OSSL_FUNC_digest_get_params_fn *get_params; | |
263 | OSSL_FUNC_digest_set_ctx_params_fn *set_ctx_params; | |
264 | OSSL_FUNC_digest_get_ctx_params_fn *get_ctx_params; | |
265 | OSSL_FUNC_digest_gettable_params_fn *gettable_params; | |
266 | OSSL_FUNC_digest_settable_ctx_params_fn *settable_ctx_params; | |
267 | OSSL_FUNC_digest_gettable_ctx_params_fn *gettable_ctx_params; | |
3653d0c2 | 268 | |
2db6bf6f RL |
269 | } /* EVP_MD */ ; |
270 | ||
e79f8773 RL |
271 | struct evp_cipher_st { |
272 | int nid; | |
df05f2ce | 273 | |
e79f8773 RL |
274 | int block_size; |
275 | /* Default value for variable length ciphers */ | |
276 | int key_len; | |
277 | int iv_len; | |
df05f2ce MC |
278 | |
279 | /* Legacy structure members */ | |
280 | /* TODO(3.0): Remove these */ | |
e79f8773 RL |
281 | /* Various flags */ |
282 | unsigned long flags; | |
283 | /* init key */ | |
284 | int (*init) (EVP_CIPHER_CTX *ctx, const unsigned char *key, | |
285 | const unsigned char *iv, int enc); | |
286 | /* encrypt/decrypt data */ | |
287 | int (*do_cipher) (EVP_CIPHER_CTX *ctx, unsigned char *out, | |
288 | const unsigned char *in, size_t inl); | |
289 | /* cleanup ctx */ | |
290 | int (*cleanup) (EVP_CIPHER_CTX *); | |
291 | /* how big ctx->cipher_data needs to be */ | |
292 | int ctx_size; | |
293 | /* Populate a ASN1_TYPE with parameters */ | |
294 | int (*set_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *); | |
295 | /* Get parameters from a ASN1_TYPE */ | |
296 | int (*get_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *); | |
297 | /* Miscellaneous operations */ | |
298 | int (*ctrl) (EVP_CIPHER_CTX *, int type, int arg, void *ptr); | |
299 | /* Application data */ | |
300 | void *app_data; | |
df05f2ce MC |
301 | |
302 | /* New structure members */ | |
303 | /* TODO(3.0): Remove above comment when legacy has gone */ | |
f7c16d48 | 304 | int name_id; |
df05f2ce MC |
305 | OSSL_PROVIDER *prov; |
306 | CRYPTO_REF_COUNT refcnt; | |
307 | CRYPTO_RWLOCK *lock; | |
363b1e5d DMSP |
308 | OSSL_FUNC_cipher_newctx_fn *newctx; |
309 | OSSL_FUNC_cipher_encrypt_init_fn *einit; | |
310 | OSSL_FUNC_cipher_decrypt_init_fn *dinit; | |
311 | OSSL_FUNC_cipher_update_fn *cupdate; | |
312 | OSSL_FUNC_cipher_final_fn *cfinal; | |
313 | OSSL_FUNC_cipher_cipher_fn *ccipher; | |
314 | OSSL_FUNC_cipher_freectx_fn *freectx; | |
315 | OSSL_FUNC_cipher_dupctx_fn *dupctx; | |
316 | OSSL_FUNC_cipher_get_params_fn *get_params; | |
317 | OSSL_FUNC_cipher_get_ctx_params_fn *get_ctx_params; | |
318 | OSSL_FUNC_cipher_set_ctx_params_fn *set_ctx_params; | |
319 | OSSL_FUNC_cipher_gettable_params_fn *gettable_params; | |
320 | OSSL_FUNC_cipher_gettable_ctx_params_fn *gettable_ctx_params; | |
321 | OSSL_FUNC_cipher_settable_ctx_params_fn *settable_ctx_params; | |
e79f8773 RL |
322 | } /* EVP_CIPHER */ ; |
323 | ||
324 | /* Macros to code block cipher wrappers */ | |
325 | ||
326 | /* Wrapper functions for each cipher mode */ | |
327 | ||
44ab2dfd MC |
328 | #define EVP_C_DATA(kstruct, ctx) \ |
329 | ((kstruct *)EVP_CIPHER_CTX_get_cipher_data(ctx)) | |
e79f8773 RL |
330 | |
331 | #define BLOCK_CIPHER_ecb_loop() \ | |
332 | size_t i, bl; \ | |
333 | bl = EVP_CIPHER_CTX_cipher(ctx)->block_size; \ | |
e8aa8b6c | 334 | if (inl < bl) return 1;\ |
e79f8773 | 335 | inl -= bl; \ |
e8aa8b6c | 336 | for (i=0; i <= inl; i+=bl) |
e79f8773 RL |
337 | |
338 | #define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ | |
339 | static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
340 | {\ | |
341 | BLOCK_CIPHER_ecb_loop() \ | |
342 | cprefix##_ecb_encrypt(in + i, out + i, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_encrypting(ctx)); \ | |
343 | return 1;\ | |
344 | } | |
345 | ||
346 | #define EVP_MAXCHUNK ((size_t)1<<(sizeof(long)*8-2)) | |
347 | ||
348 | #define BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) \ | |
349 | static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
350 | {\ | |
351 | while(inl>=EVP_MAXCHUNK) {\ | |
352 | int num = EVP_CIPHER_CTX_num(ctx);\ | |
2f5c405a | 353 | cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, &num); \ |
e79f8773 RL |
354 | EVP_CIPHER_CTX_set_num(ctx, num);\ |
355 | inl-=EVP_MAXCHUNK;\ | |
356 | in +=EVP_MAXCHUNK;\ | |
357 | out+=EVP_MAXCHUNK;\ | |
358 | }\ | |
359 | if (inl) {\ | |
360 | int num = EVP_CIPHER_CTX_num(ctx);\ | |
2f5c405a | 361 | cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, &num); \ |
e79f8773 RL |
362 | EVP_CIPHER_CTX_set_num(ctx, num);\ |
363 | }\ | |
364 | return 1;\ | |
365 | } | |
366 | ||
367 | #define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ | |
368 | static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
369 | {\ | |
370 | while(inl>=EVP_MAXCHUNK) \ | |
371 | {\ | |
2f5c405a | 372 | cprefix##_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, EVP_CIPHER_CTX_encrypting(ctx));\ |
e79f8773 RL |
373 | inl-=EVP_MAXCHUNK;\ |
374 | in +=EVP_MAXCHUNK;\ | |
375 | out+=EVP_MAXCHUNK;\ | |
376 | }\ | |
377 | if (inl)\ | |
2f5c405a | 378 | cprefix##_cbc_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, EVP_CIPHER_CTX_encrypting(ctx));\ |
e79f8773 RL |
379 | return 1;\ |
380 | } | |
381 | ||
382 | #define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ | |
383 | static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
384 | {\ | |
e8aa8b6c F |
385 | size_t chunk = EVP_MAXCHUNK;\ |
386 | if (cbits == 1) chunk >>= 3;\ | |
387 | if (inl < chunk) chunk = inl;\ | |
388 | while (inl && inl >= chunk)\ | |
389 | {\ | |
390 | int num = EVP_CIPHER_CTX_num(ctx);\ | |
391 | cprefix##_cfb##cbits##_encrypt(in, out, (long) \ | |
392 | ((cbits == 1) \ | |
393 | && !EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS) \ | |
604e591e | 394 | ? chunk*8 : chunk), \ |
2f5c405a | 395 | &EVP_C_DATA(kstruct, ctx)->ksched, ctx->iv,\ |
e8aa8b6c F |
396 | &num, EVP_CIPHER_CTX_encrypting(ctx));\ |
397 | EVP_CIPHER_CTX_set_num(ctx, num);\ | |
398 | inl -= chunk;\ | |
399 | in += chunk;\ | |
400 | out += chunk;\ | |
401 | if (inl < chunk) chunk = inl;\ | |
402 | }\ | |
403 | return 1;\ | |
e79f8773 RL |
404 | } |
405 | ||
406 | #define BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ | |
407 | BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ | |
408 | BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ | |
409 | BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ | |
410 | BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) | |
411 | ||
412 | #define BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, \ | |
413 | key_len, iv_len, flags, init_key, cleanup, \ | |
414 | set_asn1, get_asn1, ctrl) \ | |
415 | static const EVP_CIPHER cname##_##mode = { \ | |
416 | nid##_##nmode, block_size, key_len, iv_len, \ | |
417 | flags | EVP_CIPH_##MODE##_MODE, \ | |
418 | init_key, \ | |
419 | cname##_##mode##_cipher, \ | |
420 | cleanup, \ | |
421 | sizeof(kstruct), \ | |
422 | set_asn1, get_asn1,\ | |
423 | ctrl, \ | |
424 | NULL \ | |
425 | }; \ | |
426 | const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; } | |
427 | ||
428 | #define BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, \ | |
429 | iv_len, flags, init_key, cleanup, set_asn1, \ | |
430 | get_asn1, ctrl) \ | |
431 | BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \ | |
432 | iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) | |
433 | ||
434 | #define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, \ | |
435 | iv_len, cbits, flags, init_key, cleanup, \ | |
436 | set_asn1, get_asn1, ctrl) \ | |
437 | BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \ | |
438 | key_len, iv_len, flags, init_key, cleanup, set_asn1, \ | |
439 | get_asn1, ctrl) | |
440 | ||
441 | #define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \ | |
442 | iv_len, cbits, flags, init_key, cleanup, \ | |
443 | set_asn1, get_asn1, ctrl) \ | |
444 | BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \ | |
445 | key_len, iv_len, flags, init_key, cleanup, set_asn1, \ | |
446 | get_asn1, ctrl) | |
447 | ||
448 | #define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, \ | |
449 | flags, init_key, cleanup, set_asn1, \ | |
450 | get_asn1, ctrl) \ | |
451 | BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \ | |
452 | 0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) | |
453 | ||
454 | #define BLOCK_CIPHER_defs(cname, kstruct, \ | |
455 | nid, block_size, key_len, iv_len, cbits, flags, \ | |
456 | init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
457 | BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \ | |
458 | init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
459 | BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \ | |
460 | flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
461 | BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \ | |
462 | flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
463 | BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \ | |
464 | init_key, cleanup, set_asn1, get_asn1, ctrl) | |
465 | ||
466 | /*- | |
467 | #define BLOCK_CIPHER_defs(cname, kstruct, \ | |
468 | nid, block_size, key_len, iv_len, flags,\ | |
469 | init_key, cleanup, set_asn1, get_asn1, ctrl)\ | |
470 | static const EVP_CIPHER cname##_cbc = {\ | |
471 | nid##_cbc, block_size, key_len, iv_len, \ | |
472 | flags | EVP_CIPH_CBC_MODE,\ | |
473 | init_key,\ | |
474 | cname##_cbc_cipher,\ | |
475 | cleanup,\ | |
476 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
477 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
478 | set_asn1, get_asn1,\ | |
479 | ctrl, \ | |
480 | NULL \ | |
481 | };\ | |
482 | const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\ | |
483 | static const EVP_CIPHER cname##_cfb = {\ | |
484 | nid##_cfb64, 1, key_len, iv_len, \ | |
485 | flags | EVP_CIPH_CFB_MODE,\ | |
486 | init_key,\ | |
487 | cname##_cfb_cipher,\ | |
488 | cleanup,\ | |
489 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
490 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
491 | set_asn1, get_asn1,\ | |
492 | ctrl,\ | |
493 | NULL \ | |
494 | };\ | |
495 | const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\ | |
496 | static const EVP_CIPHER cname##_ofb = {\ | |
497 | nid##_ofb64, 1, key_len, iv_len, \ | |
498 | flags | EVP_CIPH_OFB_MODE,\ | |
499 | init_key,\ | |
500 | cname##_ofb_cipher,\ | |
501 | cleanup,\ | |
502 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
503 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
504 | set_asn1, get_asn1,\ | |
505 | ctrl,\ | |
506 | NULL \ | |
507 | };\ | |
508 | const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\ | |
509 | static const EVP_CIPHER cname##_ecb = {\ | |
510 | nid##_ecb, block_size, key_len, iv_len, \ | |
511 | flags | EVP_CIPH_ECB_MODE,\ | |
512 | init_key,\ | |
513 | cname##_ecb_cipher,\ | |
514 | cleanup,\ | |
515 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
516 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
517 | set_asn1, get_asn1,\ | |
518 | ctrl,\ | |
519 | NULL \ | |
520 | };\ | |
521 | const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; } | |
522 | */ | |
523 | ||
524 | #define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \ | |
525 | block_size, key_len, iv_len, cbits, \ | |
526 | flags, init_key, \ | |
527 | cleanup, set_asn1, get_asn1, ctrl) \ | |
528 | BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ | |
529 | BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \ | |
530 | cbits, flags, init_key, cleanup, set_asn1, \ | |
531 | get_asn1, ctrl) | |
532 | ||
533 | #define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len,fl) \ | |
534 | BLOCK_CIPHER_func_cfb(cipher##_##keysize,cprefix,cbits,kstruct,ksched) \ | |
535 | BLOCK_CIPHER_def_cfb(cipher##_##keysize,kstruct, \ | |
536 | NID_##cipher##_##keysize, keysize/8, iv_len, cbits, \ | |
537 | (fl)|EVP_CIPH_FLAG_DEFAULT_ASN1, \ | |
538 | cipher##_init_key, NULL, NULL, NULL, NULL) | |
539 | ||
924663c3 JZ |
540 | typedef struct { |
541 | unsigned char iv[EVP_MAX_IV_LENGTH]; | |
542 | unsigned int iv_len; | |
543 | unsigned int tag_len; | |
544 | } evp_cipher_aead_asn1_params; | |
545 | ||
546 | int evp_cipher_param_to_asn1_ex(EVP_CIPHER_CTX *c, ASN1_TYPE *type, | |
547 | evp_cipher_aead_asn1_params *params); | |
548 | ||
549 | int evp_cipher_asn1_to_param_ex(EVP_CIPHER_CTX *c, ASN1_TYPE *type, | |
550 | evp_cipher_aead_asn1_params *params); | |
551 | ||
3aeb9348 | 552 | /* |
adc9f731 RL |
553 | * An EVP_PKEY can have the following states: |
554 | * | |
555 | * untyped & empty: | |
556 | * | |
557 | * type == EVP_PKEY_NONE && keymgmt == NULL | |
558 | * | |
559 | * typed & empty: | |
560 | * | |
561 | * (type != EVP_PKEY_NONE && pkey.ptr == NULL) ## legacy (libcrypto only) | |
562 | * || (keymgmt != NULL && keydata == NULL) ## provider side | |
563 | * | |
564 | * fully assigned: | |
565 | * | |
566 | * (type != EVP_PKEY_NONE && pkey.ptr != NULL) ## legacy (libcrypto only) | |
567 | * || (keymgmt != NULL && keydata != NULL) ## provider side | |
568 | * | |
5e5bc836 RL |
569 | * The easiest way to detect a legacy key is: |
570 | * | |
571 | * keymgmt == NULL && type != EVP_PKEY_NONE | |
572 | * | |
573 | * The easiest way to detect a provider side key is: | |
574 | * | |
575 | * keymgmt != NULL | |
3aeb9348 | 576 | */ |
5e5bc836 RL |
577 | #define evp_pkey_is_blank(pk) \ |
578 | ((pk)->type == EVP_PKEY_NONE && (pk)->keymgmt == NULL) | |
579 | #define evp_pkey_is_typed(pk) \ | |
580 | ((pk)->type != EVP_PKEY_NONE || (pk)->keymgmt != NULL) | |
581 | #define evp_pkey_is_assigned(pk) \ | |
582 | ((pk)->pkey.ptr != NULL || (pk)->keydata != NULL) | |
583 | #define evp_pkey_is_legacy(pk) \ | |
584 | ((pk)->type != EVP_PKEY_NONE && (pk)->keymgmt == NULL) | |
585 | #define evp_pkey_is_provided(pk) \ | |
586 | ((pk)->keymgmt != NULL) | |
587 | ||
3aeb9348 | 588 | struct evp_pkey_st { |
a94a3e0d | 589 | /* == Legacy attributes == */ |
3aeb9348 DSH |
590 | int type; |
591 | int save_type; | |
3c6ed955 | 592 | |
f844f9eb | 593 | # ifndef FIPS_MODULE |
3c6ed955 RL |
594 | /* |
595 | * Legacy key "origin" is composed of a pointer to an EVP_PKEY_ASN1_METHOD, | |
596 | * a pointer to a low level key and possibly a pointer to an engine. | |
597 | */ | |
3aeb9348 DSH |
598 | const EVP_PKEY_ASN1_METHOD *ameth; |
599 | ENGINE *engine; | |
d19b01ad | 600 | ENGINE *pmeth_engine; /* If not NULL public key ENGINE to use */ |
3aeb9348 | 601 | union { |
a4cb54d2 | 602 | void *ptr; |
adc9f731 | 603 | # ifndef OPENSSL_NO_RSA |
3aeb9348 | 604 | struct rsa_st *rsa; /* RSA */ |
adc9f731 RL |
605 | # endif |
606 | # ifndef OPENSSL_NO_DSA | |
3aeb9348 | 607 | struct dsa_st *dsa; /* DSA */ |
adc9f731 RL |
608 | # endif |
609 | # ifndef OPENSSL_NO_DH | |
3aeb9348 | 610 | struct dh_st *dh; /* DH */ |
adc9f731 RL |
611 | # endif |
612 | # ifndef OPENSSL_NO_EC | |
3aeb9348 | 613 | struct ec_key_st *ec; /* ECC */ |
13735cfe | 614 | ECX_KEY *ecx; /* X25519, X448, Ed25519, Ed448 */ |
adc9f731 | 615 | # endif |
3aeb9348 | 616 | } pkey; |
adc9f731 | 617 | # endif |
a94a3e0d RL |
618 | |
619 | /* == Common attributes == */ | |
4ce1025a | 620 | /* If these are modified, so must evp_pkey_downgrade() */ |
a94a3e0d | 621 | CRYPTO_REF_COUNT references; |
03273d61 | 622 | CRYPTO_RWLOCK *lock; |
a94a3e0d RL |
623 | STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */ |
624 | int save_parameters; | |
f844f9eb | 625 | #ifndef FIPS_MODULE |
ff1f7cde AT |
626 | CRYPTO_EX_DATA ex_data; |
627 | #endif | |
a94a3e0d RL |
628 | |
629 | /* == Provider attributes == */ | |
3c6ed955 RL |
630 | |
631 | /* | |
632 | * Provider keydata "origin" is composed of a pointer to an EVP_KEYMGMT | |
633 | * and a pointer to the provider side key data. This is never used at | |
634 | * the same time as the legacy key data above. | |
635 | */ | |
636 | EVP_KEYMGMT *keymgmt; | |
637 | void *keydata; | |
638 | /* | |
639 | * If any libcrypto code does anything that may modify the keydata | |
640 | * contents, this dirty counter must be incremented. | |
641 | */ | |
642 | size_t dirty_cnt; | |
643 | ||
a94a3e0d | 644 | /* |
3c6ed955 RL |
645 | * To support transparent execution of operation in backends other |
646 | * than the "origin" key, we support transparent export/import to | |
647 | * those providers, and maintain a cache of the imported keydata, | |
648 | * so we don't need to redo the export/import every time we perform | |
649 | * the same operation in that same provider. | |
650 | * This requires that the "origin" backend (whether it's a legacy or a | |
651 | * provider "origin") implements exports, and that the target provider | |
652 | * has an EVP_KEYMGMT that implements import. | |
653 | * | |
654 | * The cache limit is set at 10 different providers using the same | |
655 | * "origin". It's probably over the top, but is preferable to too | |
656 | * few. | |
a94a3e0d RL |
657 | */ |
658 | struct { | |
659 | EVP_KEYMGMT *keymgmt; | |
b305452f | 660 | void *keydata; |
3c6ed955 | 661 | } operation_cache[10]; |
70a1f7b4 | 662 | /* |
3c6ed955 RL |
663 | * We keep a copy of that "origin"'s dirty count, so we know if the |
664 | * operation cache needs flushing. | |
70a1f7b4 RL |
665 | */ |
666 | size_t dirty_cnt_copy; | |
6508e858 | 667 | |
b305452f | 668 | /* Cache of key object information */ |
6508e858 RL |
669 | struct { |
670 | int bits; | |
671 | int security_bits; | |
672 | int size; | |
673 | } cache; | |
3aeb9348 | 674 | } /* EVP_PKEY */ ; |
7b9f8f7f | 675 | |
864b89ce MC |
676 | #define EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) \ |
677 | ((ctx)->operation == EVP_PKEY_OP_SIGN \ | |
678 | || (ctx)->operation == EVP_PKEY_OP_SIGNCTX \ | |
679 | || (ctx)->operation == EVP_PKEY_OP_VERIFY \ | |
680 | || (ctx)->operation == EVP_PKEY_OP_VERIFYCTX \ | |
681 | || (ctx)->operation == EVP_PKEY_OP_VERIFYRECOVER) | |
682 | ||
683 | #define EVP_PKEY_CTX_IS_DERIVE_OP(ctx) \ | |
684 | ((ctx)->operation == EVP_PKEY_OP_DERIVE) | |
7b9f8f7f | 685 | |
2c938e2e MC |
686 | #define EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) \ |
687 | ((ctx)->operation == EVP_PKEY_OP_ENCRYPT \ | |
688 | || (ctx)->operation == EVP_PKEY_OP_DECRYPT) | |
689 | ||
62924755 RL |
690 | #define EVP_PKEY_CTX_IS_GEN_OP(ctx) \ |
691 | ((ctx)->operation == EVP_PKEY_OP_PARAMGEN \ | |
692 | || (ctx)->operation == EVP_PKEY_OP_KEYGEN) | |
693 | ||
80f4fd18 SL |
694 | #define EVP_PKEY_CTX_IS_KEM_OP(ctx) \ |
695 | ((ctx)->operation == EVP_PKEY_OP_ENCAPSULATE \ | |
696 | || (ctx)->operation == EVP_PKEY_OP_DECAPSULATE) | |
697 | ||
b3599dbb MC |
698 | void openssl_add_all_ciphers_int(void); |
699 | void openssl_add_all_digests_int(void); | |
700 | void evp_cleanup_int(void); | |
0822e89a | 701 | void evp_app_cleanup_int(void); |
3c6ed955 RL |
702 | void *evp_pkey_export_to_provider(EVP_PKEY *pk, OPENSSL_CTX *libctx, |
703 | EVP_KEYMGMT **keymgmt, | |
704 | const char *propquery); | |
f844f9eb | 705 | #ifndef FIPS_MODULE |
4ce1025a | 706 | int evp_pkey_copy_downgraded(EVP_PKEY **dest, const EVP_PKEY *src); |
acb90ba8 | 707 | int evp_pkey_downgrade(EVP_PKEY *pk); |
62924755 RL |
708 | void evp_pkey_free_legacy(EVP_PKEY *x); |
709 | #endif | |
9d6fcd42 | 710 | |
68552cde RL |
711 | /* |
712 | * KEYMGMT utility functions | |
713 | */ | |
af836c22 RL |
714 | |
715 | /* | |
716 | * Key import structure and helper function, to be used as an export callback | |
717 | */ | |
718 | struct evp_keymgmt_util_try_import_data_st { | |
719 | EVP_KEYMGMT *keymgmt; | |
720 | void *keydata; | |
721 | ||
722 | int selection; | |
723 | }; | |
724 | int evp_keymgmt_util_try_import(const OSSL_PARAM params[], void *arg); | |
725 | int evp_keymgmt_util_assign_pkey(EVP_PKEY *pkey, EVP_KEYMGMT *keymgmt, | |
726 | void *keydata); | |
727 | EVP_PKEY *evp_keymgmt_util_make_pkey(EVP_KEYMGMT *keymgmt, void *keydata); | |
728 | ||
655f73ce RL |
729 | int evp_keymgmt_util_export(const EVP_PKEY *pk, int selection, |
730 | OSSL_CALLBACK *export_cb, void *export_cbarg); | |
b305452f | 731 | void *evp_keymgmt_util_export_to_provider(EVP_PKEY *pk, EVP_KEYMGMT *keymgmt); |
3c6ed955 RL |
732 | size_t evp_keymgmt_util_find_operation_cache_index(EVP_PKEY *pk, |
733 | EVP_KEYMGMT *keymgmt); | |
734 | void evp_keymgmt_util_clear_operation_cache(EVP_PKEY *pk); | |
735 | int evp_keymgmt_util_cache_keydata(EVP_PKEY *pk, size_t index, | |
736 | EVP_KEYMGMT *keymgmt, void *keydata); | |
737 | void evp_keymgmt_util_cache_keyinfo(EVP_PKEY *pk); | |
68552cde | 738 | void *evp_keymgmt_util_fromdata(EVP_PKEY *target, EVP_KEYMGMT *keymgmt, |
b305452f | 739 | int selection, const OSSL_PARAM params[]); |
157ded39 | 740 | int evp_keymgmt_util_has(EVP_PKEY *pk, int selection); |
1e9101c4 | 741 | int evp_keymgmt_util_match(EVP_PKEY *pk1, EVP_PKEY *pk2, int selection); |
ff3b59e1 | 742 | int evp_keymgmt_util_copy(EVP_PKEY *to, EVP_PKEY *from, int selection); |
62924755 RL |
743 | void *evp_keymgmt_util_gen(EVP_PKEY *target, EVP_KEYMGMT *keymgmt, |
744 | void *genctx, OSSL_CALLBACK *cb, void *cbarg); | |
3b924da0 RL |
745 | int evp_keymgmt_util_get_deflt_digest_name(EVP_KEYMGMT *keymgmt, |
746 | void *keydata, | |
747 | char *mdname, size_t mdname_sz); | |
70a1f7b4 | 748 | |
68552cde RL |
749 | /* |
750 | * KEYMGMT provider interface functions | |
751 | */ | |
b305452f RL |
752 | void *evp_keymgmt_newdata(const EVP_KEYMGMT *keymgmt); |
753 | void evp_keymgmt_freedata(const EVP_KEYMGMT *keymgmt, void *keyddata); | |
754 | int evp_keymgmt_get_params(const EVP_KEYMGMT *keymgmt, | |
755 | void *keydata, OSSL_PARAM params[]); | |
4fe54d67 NT |
756 | int evp_keymgmt_set_params(const EVP_KEYMGMT *keymgmt, |
757 | void *keydata, const OSSL_PARAM params[]); | |
1a5632e0 RL |
758 | void *evp_keymgmt_gen_init(const EVP_KEYMGMT *keymgmt, int selection); |
759 | int evp_keymgmt_gen_set_template(const EVP_KEYMGMT *keymgmt, void *genctx, | |
760 | void *template); | |
761 | int evp_keymgmt_gen_set_params(const EVP_KEYMGMT *keymgmt, void *genctx, | |
762 | const OSSL_PARAM params[]); | |
1a5632e0 RL |
763 | void *evp_keymgmt_gen(const EVP_KEYMGMT *keymgmt, void *genctx, |
764 | OSSL_CALLBACK *cb, void *cbarg); | |
765 | void evp_keymgmt_gen_cleanup(const EVP_KEYMGMT *keymgmt, void *genctx); | |
b305452f | 766 | |
5dacb38c RL |
767 | void *evp_keymgmt_load(const EVP_KEYMGMT *keymgmt, |
768 | const void *objref, size_t objref_sz); | |
769 | ||
b305452f RL |
770 | int evp_keymgmt_has(const EVP_KEYMGMT *keymgmt, void *keyddata, int selection); |
771 | int evp_keymgmt_validate(const EVP_KEYMGMT *keymgmt, void *keydata, | |
772 | int selection); | |
bee5d6cd RL |
773 | int evp_keymgmt_match(const EVP_KEYMGMT *keymgmt, |
774 | const void *keydata1, const void *keydata2, | |
775 | int selection); | |
b305452f RL |
776 | |
777 | int evp_keymgmt_import(const EVP_KEYMGMT *keymgmt, void *keydata, | |
778 | int selection, const OSSL_PARAM params[]); | |
779 | const OSSL_PARAM *evp_keymgmt_import_types(const EVP_KEYMGMT *keymgmt, | |
780 | int selection); | |
781 | int evp_keymgmt_export(const EVP_KEYMGMT *keymgmt, void *keydata, | |
782 | int selection, OSSL_CALLBACK *param_cb, void *cbarg); | |
783 | const OSSL_PARAM *evp_keymgmt_export_types(const EVP_KEYMGMT *keymgmt, | |
784 | int selection); | |
13697f1c RL |
785 | int evp_keymgmt_copy(const EVP_KEYMGMT *keymgmt, |
786 | void *keydata_to, const void *keydata_from, | |
787 | int selection); | |
12603de6 | 788 | |
46f4e1be | 789 | /* Pulling defines out of C source files */ |
9d6fcd42 TS |
790 | |
791 | #define EVP_RC4_KEY_SIZE 16 | |
792 | #ifndef TLS1_1_VERSION | |
793 | # define TLS1_1_VERSION 0x0302 | |
794 | #endif | |
c0804614 MC |
795 | |
796 | void evp_encode_ctx_set_flags(EVP_ENCODE_CTX *ctx, unsigned int flags); | |
797 | ||
798 | /* EVP_ENCODE_CTX flags */ | |
3fd59700 MC |
799 | /* Don't generate new lines when encoding */ |
800 | #define EVP_ENCODE_CTX_NO_NEWLINES 1 | |
801 | /* Use the SRP base64 alphabet instead of the standard one */ | |
802 | #define EVP_ENCODE_CTX_USE_SRP_ALPHABET 2 | |
7606bed9 MC |
803 | |
804 | const EVP_CIPHER *evp_get_cipherbyname_ex(OPENSSL_CTX *libctx, const char *name); | |
805 | const EVP_MD *evp_get_digestbyname_ex(OPENSSL_CTX *libctx, const char *name); | |
e683582b | 806 | |
d8652be0 MC |
807 | int pkcs5_pbkdf2_hmac_ex(const char *pass, int passlen, |
808 | const unsigned char *salt, int saltlen, int iter, | |
809 | const EVP_MD *digest, int keylen, unsigned char *out, | |
810 | OPENSSL_CTX *libctx, const char *propq); | |
5ccada09 | 811 | |
f844f9eb | 812 | #ifndef FIPS_MODULE |
4fe54d67 NT |
813 | /* |
814 | * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params(). | |
815 | * | |
816 | * Return 1 on success, 0 or negative for errors. | |
817 | * | |
818 | * In particular they return -2 if any of the params is not supported. | |
819 | * | |
f844f9eb | 820 | * They are not available in FIPS_MODULE as they depend on |
4fe54d67 NT |
821 | * - EVP_PKEY_CTX_{get,set}_params() |
822 | * - EVP_PKEY_CTX_{gettable,settable}_params() | |
823 | * | |
824 | */ | |
825 | int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params); | |
826 | int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params); | |
472a88b7 | 827 | |
d8652be0 MC |
828 | EVP_MD_CTX *evp_md_ctx_new_ex(EVP_PKEY *pkey, const ASN1_OCTET_STRING *id, |
829 | OPENSSL_CTX *libctx, const char *propq); | |
50914496 | 830 | int evp_pkey_name2type(const char *name); |
86df26b3 RL |
831 | |
832 | int evp_pkey_ctx_set1_id_prov(EVP_PKEY_CTX *ctx, const void *id, int len); | |
833 | int evp_pkey_ctx_get1_id_prov(EVP_PKEY_CTX *ctx, void *id); | |
834 | int evp_pkey_ctx_get1_id_len_prov(EVP_PKEY_CTX *ctx, size_t *id_len); | |
835 | ||
836 | int evp_pkey_ctx_use_cached_data(EVP_PKEY_CTX *ctx); | |
f844f9eb | 837 | #endif /* !defined(FIPS_MODULE) */ |
04cb5ec0 | 838 | void evp_method_store_flush(OPENSSL_CTX *libctx); |
e6c54619 MC |
839 | int evp_set_default_properties_int(OPENSSL_CTX *libctx, const char *propq, |
840 | int loadconfig); | |
3101ab60 MC |
841 | |
842 | void evp_md_ctx_clear_digest(EVP_MD_CTX *ctx, int force); |