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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 | 44 | */ |
b4250010 | 45 | OSSL_LIB_CTX *libctx; |
ddfd7182 | 46 | 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; | |
363b1e5d DMSP |
199 | OSSL_FUNC_mac_init_fn *init; |
200 | OSSL_FUNC_mac_update_fn *update; | |
201 | OSSL_FUNC_mac_final_fn *final; | |
202 | OSSL_FUNC_mac_gettable_params_fn *gettable_params; | |
203 | OSSL_FUNC_mac_gettable_ctx_params_fn *gettable_ctx_params; | |
204 | OSSL_FUNC_mac_settable_ctx_params_fn *settable_ctx_params; | |
205 | OSSL_FUNC_mac_get_params_fn *get_params; | |
206 | OSSL_FUNC_mac_get_ctx_params_fn *get_ctx_params; | |
207 | OSSL_FUNC_mac_set_ctx_params_fn *set_ctx_params; | |
567db2c1 RL |
208 | }; |
209 | ||
d2ba8123 | 210 | struct evp_kdf_st { |
fb9e6dd6 | 211 | OSSL_PROVIDER *prov; |
f7c16d48 | 212 | int name_id; |
fb9e6dd6 P |
213 | CRYPTO_REF_COUNT refcnt; |
214 | CRYPTO_RWLOCK *lock; | |
215 | ||
363b1e5d DMSP |
216 | OSSL_FUNC_kdf_newctx_fn *newctx; |
217 | OSSL_FUNC_kdf_dupctx_fn *dupctx; | |
218 | OSSL_FUNC_kdf_freectx_fn *freectx; | |
219 | OSSL_FUNC_kdf_reset_fn *reset; | |
220 | OSSL_FUNC_kdf_derive_fn *derive; | |
221 | OSSL_FUNC_kdf_gettable_params_fn *gettable_params; | |
222 | OSSL_FUNC_kdf_gettable_ctx_params_fn *gettable_ctx_params; | |
223 | OSSL_FUNC_kdf_settable_ctx_params_fn *settable_ctx_params; | |
224 | OSSL_FUNC_kdf_get_params_fn *get_params; | |
225 | OSSL_FUNC_kdf_get_ctx_params_fn *get_ctx_params; | |
226 | OSSL_FUNC_kdf_set_ctx_params_fn *set_ctx_params; | |
d2ba8123 | 227 | }; |
5a285add | 228 | |
2db6bf6f | 229 | struct evp_md_st { |
3653d0c2 | 230 | /* nid */ |
2db6bf6f | 231 | int type; |
3653d0c2 MC |
232 | |
233 | /* Legacy structure members */ | |
234 | /* TODO(3.0): Remove these */ | |
2db6bf6f RL |
235 | int pkey_type; |
236 | int md_size; | |
237 | unsigned long flags; | |
238 | int (*init) (EVP_MD_CTX *ctx); | |
239 | int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count); | |
240 | int (*final) (EVP_MD_CTX *ctx, unsigned char *md); | |
241 | int (*copy) (EVP_MD_CTX *to, const EVP_MD_CTX *from); | |
242 | int (*cleanup) (EVP_MD_CTX *ctx); | |
243 | int block_size; | |
244 | int ctx_size; /* how big does the ctx->md_data need to be */ | |
245 | /* control function */ | |
246 | int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, void *p2); | |
3653d0c2 MC |
247 | |
248 | /* New structure members */ | |
249 | /* TODO(3.0): Remove above comment when legacy has gone */ | |
f7c16d48 | 250 | int name_id; |
3653d0c2 MC |
251 | OSSL_PROVIDER *prov; |
252 | CRYPTO_REF_COUNT refcnt; | |
253 | CRYPTO_RWLOCK *lock; | |
363b1e5d DMSP |
254 | OSSL_FUNC_digest_newctx_fn *newctx; |
255 | OSSL_FUNC_digest_init_fn *dinit; | |
256 | OSSL_FUNC_digest_update_fn *dupdate; | |
257 | OSSL_FUNC_digest_final_fn *dfinal; | |
258 | OSSL_FUNC_digest_digest_fn *digest; | |
259 | OSSL_FUNC_digest_freectx_fn *freectx; | |
260 | OSSL_FUNC_digest_dupctx_fn *dupctx; | |
261 | OSSL_FUNC_digest_get_params_fn *get_params; | |
262 | OSSL_FUNC_digest_set_ctx_params_fn *set_ctx_params; | |
263 | OSSL_FUNC_digest_get_ctx_params_fn *get_ctx_params; | |
264 | OSSL_FUNC_digest_gettable_params_fn *gettable_params; | |
265 | OSSL_FUNC_digest_settable_ctx_params_fn *settable_ctx_params; | |
266 | OSSL_FUNC_digest_gettable_ctx_params_fn *gettable_ctx_params; | |
3653d0c2 | 267 | |
2db6bf6f RL |
268 | } /* EVP_MD */ ; |
269 | ||
e79f8773 RL |
270 | struct evp_cipher_st { |
271 | int nid; | |
df05f2ce | 272 | |
e79f8773 RL |
273 | int block_size; |
274 | /* Default value for variable length ciphers */ | |
275 | int key_len; | |
276 | int iv_len; | |
df05f2ce MC |
277 | |
278 | /* Legacy structure members */ | |
279 | /* TODO(3.0): Remove these */ | |
e79f8773 RL |
280 | /* Various flags */ |
281 | unsigned long flags; | |
282 | /* init key */ | |
283 | int (*init) (EVP_CIPHER_CTX *ctx, const unsigned char *key, | |
284 | const unsigned char *iv, int enc); | |
285 | /* encrypt/decrypt data */ | |
286 | int (*do_cipher) (EVP_CIPHER_CTX *ctx, unsigned char *out, | |
287 | const unsigned char *in, size_t inl); | |
288 | /* cleanup ctx */ | |
289 | int (*cleanup) (EVP_CIPHER_CTX *); | |
290 | /* how big ctx->cipher_data needs to be */ | |
291 | int ctx_size; | |
292 | /* Populate a ASN1_TYPE with parameters */ | |
293 | int (*set_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *); | |
294 | /* Get parameters from a ASN1_TYPE */ | |
295 | int (*get_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *); | |
296 | /* Miscellaneous operations */ | |
297 | int (*ctrl) (EVP_CIPHER_CTX *, int type, int arg, void *ptr); | |
298 | /* Application data */ | |
299 | void *app_data; | |
df05f2ce MC |
300 | |
301 | /* New structure members */ | |
302 | /* TODO(3.0): Remove above comment when legacy has gone */ | |
f7c16d48 | 303 | int name_id; |
df05f2ce MC |
304 | OSSL_PROVIDER *prov; |
305 | CRYPTO_REF_COUNT refcnt; | |
306 | CRYPTO_RWLOCK *lock; | |
363b1e5d DMSP |
307 | OSSL_FUNC_cipher_newctx_fn *newctx; |
308 | OSSL_FUNC_cipher_encrypt_init_fn *einit; | |
309 | OSSL_FUNC_cipher_decrypt_init_fn *dinit; | |
310 | OSSL_FUNC_cipher_update_fn *cupdate; | |
311 | OSSL_FUNC_cipher_final_fn *cfinal; | |
312 | OSSL_FUNC_cipher_cipher_fn *ccipher; | |
313 | OSSL_FUNC_cipher_freectx_fn *freectx; | |
314 | OSSL_FUNC_cipher_dupctx_fn *dupctx; | |
315 | OSSL_FUNC_cipher_get_params_fn *get_params; | |
316 | OSSL_FUNC_cipher_get_ctx_params_fn *get_ctx_params; | |
317 | OSSL_FUNC_cipher_set_ctx_params_fn *set_ctx_params; | |
318 | OSSL_FUNC_cipher_gettable_params_fn *gettable_params; | |
319 | OSSL_FUNC_cipher_gettable_ctx_params_fn *gettable_ctx_params; | |
320 | OSSL_FUNC_cipher_settable_ctx_params_fn *settable_ctx_params; | |
e79f8773 RL |
321 | } /* EVP_CIPHER */ ; |
322 | ||
323 | /* Macros to code block cipher wrappers */ | |
324 | ||
325 | /* Wrapper functions for each cipher mode */ | |
326 | ||
44ab2dfd MC |
327 | #define EVP_C_DATA(kstruct, ctx) \ |
328 | ((kstruct *)EVP_CIPHER_CTX_get_cipher_data(ctx)) | |
e79f8773 RL |
329 | |
330 | #define BLOCK_CIPHER_ecb_loop() \ | |
331 | size_t i, bl; \ | |
332 | bl = EVP_CIPHER_CTX_cipher(ctx)->block_size; \ | |
e8aa8b6c | 333 | if (inl < bl) return 1;\ |
e79f8773 | 334 | inl -= bl; \ |
e8aa8b6c | 335 | for (i=0; i <= inl; i+=bl) |
e79f8773 RL |
336 | |
337 | #define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ | |
338 | static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
339 | {\ | |
340 | BLOCK_CIPHER_ecb_loop() \ | |
341 | cprefix##_ecb_encrypt(in + i, out + i, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_encrypting(ctx)); \ | |
342 | return 1;\ | |
343 | } | |
344 | ||
345 | #define EVP_MAXCHUNK ((size_t)1<<(sizeof(long)*8-2)) | |
346 | ||
347 | #define BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) \ | |
348 | static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
349 | {\ | |
350 | while(inl>=EVP_MAXCHUNK) {\ | |
351 | int num = EVP_CIPHER_CTX_num(ctx);\ | |
2f5c405a | 352 | cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, &num); \ |
e79f8773 RL |
353 | EVP_CIPHER_CTX_set_num(ctx, num);\ |
354 | inl-=EVP_MAXCHUNK;\ | |
355 | in +=EVP_MAXCHUNK;\ | |
356 | out+=EVP_MAXCHUNK;\ | |
357 | }\ | |
358 | if (inl) {\ | |
359 | int num = EVP_CIPHER_CTX_num(ctx);\ | |
2f5c405a | 360 | cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, &num); \ |
e79f8773 RL |
361 | EVP_CIPHER_CTX_set_num(ctx, num);\ |
362 | }\ | |
363 | return 1;\ | |
364 | } | |
365 | ||
366 | #define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ | |
367 | static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
368 | {\ | |
369 | while(inl>=EVP_MAXCHUNK) \ | |
370 | {\ | |
2f5c405a | 371 | cprefix##_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, EVP_CIPHER_CTX_encrypting(ctx));\ |
e79f8773 RL |
372 | inl-=EVP_MAXCHUNK;\ |
373 | in +=EVP_MAXCHUNK;\ | |
374 | out+=EVP_MAXCHUNK;\ | |
375 | }\ | |
376 | if (inl)\ | |
2f5c405a | 377 | cprefix##_cbc_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, EVP_CIPHER_CTX_encrypting(ctx));\ |
e79f8773 RL |
378 | return 1;\ |
379 | } | |
380 | ||
381 | #define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ | |
382 | static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
383 | {\ | |
e8aa8b6c F |
384 | size_t chunk = EVP_MAXCHUNK;\ |
385 | if (cbits == 1) chunk >>= 3;\ | |
386 | if (inl < chunk) chunk = inl;\ | |
387 | while (inl && inl >= chunk)\ | |
388 | {\ | |
389 | int num = EVP_CIPHER_CTX_num(ctx);\ | |
390 | cprefix##_cfb##cbits##_encrypt(in, out, (long) \ | |
391 | ((cbits == 1) \ | |
392 | && !EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS) \ | |
604e591e | 393 | ? chunk*8 : chunk), \ |
2f5c405a | 394 | &EVP_C_DATA(kstruct, ctx)->ksched, ctx->iv,\ |
e8aa8b6c F |
395 | &num, EVP_CIPHER_CTX_encrypting(ctx));\ |
396 | EVP_CIPHER_CTX_set_num(ctx, num);\ | |
397 | inl -= chunk;\ | |
398 | in += chunk;\ | |
399 | out += chunk;\ | |
400 | if (inl < chunk) chunk = inl;\ | |
401 | }\ | |
402 | return 1;\ | |
e79f8773 RL |
403 | } |
404 | ||
405 | #define BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ | |
406 | BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ | |
407 | BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ | |
408 | BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ | |
409 | BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) | |
410 | ||
411 | #define BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, \ | |
412 | key_len, iv_len, flags, init_key, cleanup, \ | |
413 | set_asn1, get_asn1, ctrl) \ | |
414 | static const EVP_CIPHER cname##_##mode = { \ | |
415 | nid##_##nmode, block_size, key_len, iv_len, \ | |
416 | flags | EVP_CIPH_##MODE##_MODE, \ | |
417 | init_key, \ | |
418 | cname##_##mode##_cipher, \ | |
419 | cleanup, \ | |
420 | sizeof(kstruct), \ | |
421 | set_asn1, get_asn1,\ | |
422 | ctrl, \ | |
423 | NULL \ | |
424 | }; \ | |
425 | const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; } | |
426 | ||
427 | #define BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, \ | |
428 | iv_len, flags, init_key, cleanup, set_asn1, \ | |
429 | get_asn1, ctrl) \ | |
430 | BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \ | |
431 | iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) | |
432 | ||
433 | #define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, \ | |
434 | iv_len, cbits, flags, init_key, cleanup, \ | |
435 | set_asn1, get_asn1, ctrl) \ | |
436 | BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \ | |
437 | key_len, iv_len, flags, init_key, cleanup, set_asn1, \ | |
438 | get_asn1, ctrl) | |
439 | ||
440 | #define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \ | |
441 | iv_len, cbits, flags, init_key, cleanup, \ | |
442 | set_asn1, get_asn1, ctrl) \ | |
443 | BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \ | |
444 | key_len, iv_len, flags, init_key, cleanup, set_asn1, \ | |
445 | get_asn1, ctrl) | |
446 | ||
447 | #define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, \ | |
448 | flags, init_key, cleanup, set_asn1, \ | |
449 | get_asn1, ctrl) \ | |
450 | BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \ | |
451 | 0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) | |
452 | ||
453 | #define BLOCK_CIPHER_defs(cname, kstruct, \ | |
454 | nid, block_size, key_len, iv_len, cbits, flags, \ | |
455 | init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
456 | BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \ | |
457 | init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
458 | BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \ | |
459 | flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
460 | BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \ | |
461 | flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
462 | BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \ | |
463 | init_key, cleanup, set_asn1, get_asn1, ctrl) | |
464 | ||
465 | /*- | |
466 | #define BLOCK_CIPHER_defs(cname, kstruct, \ | |
467 | nid, block_size, key_len, iv_len, flags,\ | |
468 | init_key, cleanup, set_asn1, get_asn1, ctrl)\ | |
469 | static const EVP_CIPHER cname##_cbc = {\ | |
470 | nid##_cbc, block_size, key_len, iv_len, \ | |
471 | flags | EVP_CIPH_CBC_MODE,\ | |
472 | init_key,\ | |
473 | cname##_cbc_cipher,\ | |
474 | cleanup,\ | |
475 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
476 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
477 | set_asn1, get_asn1,\ | |
478 | ctrl, \ | |
479 | NULL \ | |
480 | };\ | |
481 | const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\ | |
482 | static const EVP_CIPHER cname##_cfb = {\ | |
483 | nid##_cfb64, 1, key_len, iv_len, \ | |
484 | flags | EVP_CIPH_CFB_MODE,\ | |
485 | init_key,\ | |
486 | cname##_cfb_cipher,\ | |
487 | cleanup,\ | |
488 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
489 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
490 | set_asn1, get_asn1,\ | |
491 | ctrl,\ | |
492 | NULL \ | |
493 | };\ | |
494 | const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\ | |
495 | static const EVP_CIPHER cname##_ofb = {\ | |
496 | nid##_ofb64, 1, key_len, iv_len, \ | |
497 | flags | EVP_CIPH_OFB_MODE,\ | |
498 | init_key,\ | |
499 | cname##_ofb_cipher,\ | |
500 | cleanup,\ | |
501 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
502 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
503 | set_asn1, get_asn1,\ | |
504 | ctrl,\ | |
505 | NULL \ | |
506 | };\ | |
507 | const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\ | |
508 | static const EVP_CIPHER cname##_ecb = {\ | |
509 | nid##_ecb, block_size, key_len, iv_len, \ | |
510 | flags | EVP_CIPH_ECB_MODE,\ | |
511 | init_key,\ | |
512 | cname##_ecb_cipher,\ | |
513 | cleanup,\ | |
514 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
515 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
516 | set_asn1, get_asn1,\ | |
517 | ctrl,\ | |
518 | NULL \ | |
519 | };\ | |
520 | const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; } | |
521 | */ | |
522 | ||
523 | #define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \ | |
524 | block_size, key_len, iv_len, cbits, \ | |
525 | flags, init_key, \ | |
526 | cleanup, set_asn1, get_asn1, ctrl) \ | |
527 | BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ | |
528 | BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \ | |
529 | cbits, flags, init_key, cleanup, set_asn1, \ | |
530 | get_asn1, ctrl) | |
531 | ||
532 | #define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len,fl) \ | |
533 | BLOCK_CIPHER_func_cfb(cipher##_##keysize,cprefix,cbits,kstruct,ksched) \ | |
534 | BLOCK_CIPHER_def_cfb(cipher##_##keysize,kstruct, \ | |
535 | NID_##cipher##_##keysize, keysize/8, iv_len, cbits, \ | |
536 | (fl)|EVP_CIPH_FLAG_DEFAULT_ASN1, \ | |
537 | cipher##_init_key, NULL, NULL, NULL, NULL) | |
538 | ||
924663c3 JZ |
539 | typedef struct { |
540 | unsigned char iv[EVP_MAX_IV_LENGTH]; | |
541 | unsigned int iv_len; | |
542 | unsigned int tag_len; | |
543 | } evp_cipher_aead_asn1_params; | |
544 | ||
545 | int evp_cipher_param_to_asn1_ex(EVP_CIPHER_CTX *c, ASN1_TYPE *type, | |
546 | evp_cipher_aead_asn1_params *params); | |
547 | ||
548 | int evp_cipher_asn1_to_param_ex(EVP_CIPHER_CTX *c, ASN1_TYPE *type, | |
549 | evp_cipher_aead_asn1_params *params); | |
550 | ||
64954e2f P |
551 | /* |
552 | * To support transparent execution of operation in backends other | |
553 | * than the "origin" key, we support transparent export/import to | |
554 | * those providers, and maintain a cache of the imported keydata, | |
555 | * so we don't need to redo the export/import every time we perform | |
556 | * the same operation in that same provider. | |
557 | * This requires that the "origin" backend (whether it's a legacy or a | |
558 | * provider "origin") implements exports, and that the target provider | |
559 | * has an EVP_KEYMGMT that implements import. | |
560 | */ | |
561 | typedef struct { | |
562 | EVP_KEYMGMT *keymgmt; | |
563 | void *keydata; | |
564 | } OP_CACHE_ELEM; | |
565 | ||
566 | DEFINE_STACK_OF(OP_CACHE_ELEM) | |
567 | ||
3aeb9348 | 568 | /* |
adc9f731 RL |
569 | * An EVP_PKEY can have the following states: |
570 | * | |
571 | * untyped & empty: | |
572 | * | |
573 | * type == EVP_PKEY_NONE && keymgmt == NULL | |
574 | * | |
575 | * typed & empty: | |
576 | * | |
577 | * (type != EVP_PKEY_NONE && pkey.ptr == NULL) ## legacy (libcrypto only) | |
578 | * || (keymgmt != NULL && keydata == NULL) ## provider side | |
579 | * | |
580 | * fully assigned: | |
581 | * | |
582 | * (type != EVP_PKEY_NONE && pkey.ptr != NULL) ## legacy (libcrypto only) | |
583 | * || (keymgmt != NULL && keydata != NULL) ## provider side | |
584 | * | |
5e5bc836 RL |
585 | * The easiest way to detect a legacy key is: |
586 | * | |
587 | * keymgmt == NULL && type != EVP_PKEY_NONE | |
588 | * | |
589 | * The easiest way to detect a provider side key is: | |
590 | * | |
591 | * keymgmt != NULL | |
3aeb9348 | 592 | */ |
5e5bc836 RL |
593 | #define evp_pkey_is_blank(pk) \ |
594 | ((pk)->type == EVP_PKEY_NONE && (pk)->keymgmt == NULL) | |
595 | #define evp_pkey_is_typed(pk) \ | |
596 | ((pk)->type != EVP_PKEY_NONE || (pk)->keymgmt != NULL) | |
597 | #define evp_pkey_is_assigned(pk) \ | |
598 | ((pk)->pkey.ptr != NULL || (pk)->keydata != NULL) | |
599 | #define evp_pkey_is_legacy(pk) \ | |
600 | ((pk)->type != EVP_PKEY_NONE && (pk)->keymgmt == NULL) | |
601 | #define evp_pkey_is_provided(pk) \ | |
602 | ((pk)->keymgmt != NULL) | |
603 | ||
3aeb9348 | 604 | struct evp_pkey_st { |
a94a3e0d | 605 | /* == Legacy attributes == */ |
3aeb9348 DSH |
606 | int type; |
607 | int save_type; | |
3c6ed955 | 608 | |
f844f9eb | 609 | # ifndef FIPS_MODULE |
3c6ed955 RL |
610 | /* |
611 | * Legacy key "origin" is composed of a pointer to an EVP_PKEY_ASN1_METHOD, | |
612 | * a pointer to a low level key and possibly a pointer to an engine. | |
613 | */ | |
3aeb9348 DSH |
614 | const EVP_PKEY_ASN1_METHOD *ameth; |
615 | ENGINE *engine; | |
d19b01ad | 616 | ENGINE *pmeth_engine; /* If not NULL public key ENGINE to use */ |
3aeb9348 | 617 | union { |
a4cb54d2 | 618 | void *ptr; |
3aeb9348 | 619 | struct rsa_st *rsa; /* RSA */ |
adc9f731 | 620 | # ifndef OPENSSL_NO_DSA |
3aeb9348 | 621 | struct dsa_st *dsa; /* DSA */ |
adc9f731 RL |
622 | # endif |
623 | # ifndef OPENSSL_NO_DH | |
3aeb9348 | 624 | struct dh_st *dh; /* DH */ |
adc9f731 RL |
625 | # endif |
626 | # ifndef OPENSSL_NO_EC | |
3aeb9348 | 627 | struct ec_key_st *ec; /* ECC */ |
13735cfe | 628 | ECX_KEY *ecx; /* X25519, X448, Ed25519, Ed448 */ |
adc9f731 | 629 | # endif |
3aeb9348 | 630 | } pkey; |
adc9f731 | 631 | # endif |
a94a3e0d RL |
632 | |
633 | /* == Common attributes == */ | |
4ce1025a | 634 | /* If these are modified, so must evp_pkey_downgrade() */ |
a94a3e0d | 635 | CRYPTO_REF_COUNT references; |
03273d61 | 636 | CRYPTO_RWLOCK *lock; |
a94a3e0d RL |
637 | STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */ |
638 | int save_parameters; | |
f844f9eb | 639 | #ifndef FIPS_MODULE |
ff1f7cde AT |
640 | CRYPTO_EX_DATA ex_data; |
641 | #endif | |
a94a3e0d RL |
642 | |
643 | /* == Provider attributes == */ | |
3c6ed955 RL |
644 | |
645 | /* | |
646 | * Provider keydata "origin" is composed of a pointer to an EVP_KEYMGMT | |
647 | * and a pointer to the provider side key data. This is never used at | |
648 | * the same time as the legacy key data above. | |
649 | */ | |
650 | EVP_KEYMGMT *keymgmt; | |
651 | void *keydata; | |
652 | /* | |
653 | * If any libcrypto code does anything that may modify the keydata | |
654 | * contents, this dirty counter must be incremented. | |
655 | */ | |
656 | size_t dirty_cnt; | |
657 | ||
a94a3e0d | 658 | /* |
3c6ed955 RL |
659 | * To support transparent execution of operation in backends other |
660 | * than the "origin" key, we support transparent export/import to | |
661 | * those providers, and maintain a cache of the imported keydata, | |
662 | * so we don't need to redo the export/import every time we perform | |
663 | * the same operation in that same provider. | |
a94a3e0d | 664 | */ |
64954e2f P |
665 | STACK_OF(OP_CACHE_ELEM) *operation_cache; |
666 | ||
70a1f7b4 | 667 | /* |
3c6ed955 RL |
668 | * We keep a copy of that "origin"'s dirty count, so we know if the |
669 | * operation cache needs flushing. | |
70a1f7b4 RL |
670 | */ |
671 | size_t dirty_cnt_copy; | |
6508e858 | 672 | |
b305452f | 673 | /* Cache of key object information */ |
6508e858 RL |
674 | struct { |
675 | int bits; | |
676 | int security_bits; | |
677 | int size; | |
678 | } cache; | |
3aeb9348 | 679 | } /* EVP_PKEY */ ; |
7b9f8f7f | 680 | |
864b89ce MC |
681 | #define EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) \ |
682 | ((ctx)->operation == EVP_PKEY_OP_SIGN \ | |
683 | || (ctx)->operation == EVP_PKEY_OP_SIGNCTX \ | |
684 | || (ctx)->operation == EVP_PKEY_OP_VERIFY \ | |
685 | || (ctx)->operation == EVP_PKEY_OP_VERIFYCTX \ | |
686 | || (ctx)->operation == EVP_PKEY_OP_VERIFYRECOVER) | |
687 | ||
688 | #define EVP_PKEY_CTX_IS_DERIVE_OP(ctx) \ | |
689 | ((ctx)->operation == EVP_PKEY_OP_DERIVE) | |
7b9f8f7f | 690 | |
2c938e2e MC |
691 | #define EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) \ |
692 | ((ctx)->operation == EVP_PKEY_OP_ENCRYPT \ | |
693 | || (ctx)->operation == EVP_PKEY_OP_DECRYPT) | |
694 | ||
62924755 RL |
695 | #define EVP_PKEY_CTX_IS_GEN_OP(ctx) \ |
696 | ((ctx)->operation == EVP_PKEY_OP_PARAMGEN \ | |
697 | || (ctx)->operation == EVP_PKEY_OP_KEYGEN) | |
698 | ||
80f4fd18 SL |
699 | #define EVP_PKEY_CTX_IS_KEM_OP(ctx) \ |
700 | ((ctx)->operation == EVP_PKEY_OP_ENCAPSULATE \ | |
701 | || (ctx)->operation == EVP_PKEY_OP_DECAPSULATE) | |
702 | ||
b3599dbb MC |
703 | void openssl_add_all_ciphers_int(void); |
704 | void openssl_add_all_digests_int(void); | |
705 | void evp_cleanup_int(void); | |
0822e89a | 706 | void evp_app_cleanup_int(void); |
b4250010 | 707 | void *evp_pkey_export_to_provider(EVP_PKEY *pk, OSSL_LIB_CTX *libctx, |
3c6ed955 RL |
708 | EVP_KEYMGMT **keymgmt, |
709 | const char *propquery); | |
f844f9eb | 710 | #ifndef FIPS_MODULE |
4ce1025a | 711 | int evp_pkey_copy_downgraded(EVP_PKEY **dest, const EVP_PKEY *src); |
acb90ba8 | 712 | int evp_pkey_downgrade(EVP_PKEY *pk); |
62924755 RL |
713 | void evp_pkey_free_legacy(EVP_PKEY *x); |
714 | #endif | |
9d6fcd42 | 715 | |
68552cde RL |
716 | /* |
717 | * KEYMGMT utility functions | |
718 | */ | |
af836c22 RL |
719 | |
720 | /* | |
721 | * Key import structure and helper function, to be used as an export callback | |
722 | */ | |
723 | struct evp_keymgmt_util_try_import_data_st { | |
724 | EVP_KEYMGMT *keymgmt; | |
725 | void *keydata; | |
726 | ||
727 | int selection; | |
728 | }; | |
729 | int evp_keymgmt_util_try_import(const OSSL_PARAM params[], void *arg); | |
730 | int evp_keymgmt_util_assign_pkey(EVP_PKEY *pkey, EVP_KEYMGMT *keymgmt, | |
731 | void *keydata); | |
732 | EVP_PKEY *evp_keymgmt_util_make_pkey(EVP_KEYMGMT *keymgmt, void *keydata); | |
733 | ||
655f73ce RL |
734 | int evp_keymgmt_util_export(const EVP_PKEY *pk, int selection, |
735 | OSSL_CALLBACK *export_cb, void *export_cbarg); | |
b305452f | 736 | void *evp_keymgmt_util_export_to_provider(EVP_PKEY *pk, EVP_KEYMGMT *keymgmt); |
64954e2f P |
737 | OP_CACHE_ELEM *evp_keymgmt_util_find_operation_cache(EVP_PKEY *pk, |
738 | EVP_KEYMGMT *keymgmt); | |
0b07db6f | 739 | int evp_keymgmt_util_clear_operation_cache(EVP_PKEY *pk, int locking); |
64954e2f | 740 | int evp_keymgmt_util_cache_keydata(EVP_PKEY *pk, |
3c6ed955 RL |
741 | EVP_KEYMGMT *keymgmt, void *keydata); |
742 | void evp_keymgmt_util_cache_keyinfo(EVP_PKEY *pk); | |
68552cde | 743 | void *evp_keymgmt_util_fromdata(EVP_PKEY *target, EVP_KEYMGMT *keymgmt, |
b305452f | 744 | int selection, const OSSL_PARAM params[]); |
157ded39 | 745 | int evp_keymgmt_util_has(EVP_PKEY *pk, int selection); |
1e9101c4 | 746 | int evp_keymgmt_util_match(EVP_PKEY *pk1, EVP_PKEY *pk2, int selection); |
ff3b59e1 | 747 | int evp_keymgmt_util_copy(EVP_PKEY *to, EVP_PKEY *from, int selection); |
62924755 RL |
748 | void *evp_keymgmt_util_gen(EVP_PKEY *target, EVP_KEYMGMT *keymgmt, |
749 | void *genctx, OSSL_CALLBACK *cb, void *cbarg); | |
3b924da0 RL |
750 | int evp_keymgmt_util_get_deflt_digest_name(EVP_KEYMGMT *keymgmt, |
751 | void *keydata, | |
752 | char *mdname, size_t mdname_sz); | |
70a1f7b4 | 753 | |
68552cde RL |
754 | /* |
755 | * KEYMGMT provider interface functions | |
756 | */ | |
b305452f RL |
757 | void *evp_keymgmt_newdata(const EVP_KEYMGMT *keymgmt); |
758 | void evp_keymgmt_freedata(const EVP_KEYMGMT *keymgmt, void *keyddata); | |
759 | int evp_keymgmt_get_params(const EVP_KEYMGMT *keymgmt, | |
760 | void *keydata, OSSL_PARAM params[]); | |
4fe54d67 NT |
761 | int evp_keymgmt_set_params(const EVP_KEYMGMT *keymgmt, |
762 | void *keydata, const OSSL_PARAM params[]); | |
1a5632e0 RL |
763 | void *evp_keymgmt_gen_init(const EVP_KEYMGMT *keymgmt, int selection); |
764 | int evp_keymgmt_gen_set_template(const EVP_KEYMGMT *keymgmt, void *genctx, | |
765 | void *template); | |
766 | int evp_keymgmt_gen_set_params(const EVP_KEYMGMT *keymgmt, void *genctx, | |
767 | const OSSL_PARAM params[]); | |
1a5632e0 RL |
768 | void *evp_keymgmt_gen(const EVP_KEYMGMT *keymgmt, void *genctx, |
769 | OSSL_CALLBACK *cb, void *cbarg); | |
770 | void evp_keymgmt_gen_cleanup(const EVP_KEYMGMT *keymgmt, void *genctx); | |
b305452f | 771 | |
5dacb38c RL |
772 | void *evp_keymgmt_load(const EVP_KEYMGMT *keymgmt, |
773 | const void *objref, size_t objref_sz); | |
774 | ||
b305452f RL |
775 | int evp_keymgmt_has(const EVP_KEYMGMT *keymgmt, void *keyddata, int selection); |
776 | int evp_keymgmt_validate(const EVP_KEYMGMT *keymgmt, void *keydata, | |
777 | int selection); | |
bee5d6cd RL |
778 | int evp_keymgmt_match(const EVP_KEYMGMT *keymgmt, |
779 | const void *keydata1, const void *keydata2, | |
780 | int selection); | |
b305452f RL |
781 | |
782 | int evp_keymgmt_import(const EVP_KEYMGMT *keymgmt, void *keydata, | |
783 | int selection, const OSSL_PARAM params[]); | |
784 | const OSSL_PARAM *evp_keymgmt_import_types(const EVP_KEYMGMT *keymgmt, | |
785 | int selection); | |
786 | int evp_keymgmt_export(const EVP_KEYMGMT *keymgmt, void *keydata, | |
787 | int selection, OSSL_CALLBACK *param_cb, void *cbarg); | |
788 | const OSSL_PARAM *evp_keymgmt_export_types(const EVP_KEYMGMT *keymgmt, | |
789 | int selection); | |
13697f1c RL |
790 | int evp_keymgmt_copy(const EVP_KEYMGMT *keymgmt, |
791 | void *keydata_to, const void *keydata_from, | |
792 | int selection); | |
12603de6 | 793 | |
46f4e1be | 794 | /* Pulling defines out of C source files */ |
9d6fcd42 TS |
795 | |
796 | #define EVP_RC4_KEY_SIZE 16 | |
797 | #ifndef TLS1_1_VERSION | |
798 | # define TLS1_1_VERSION 0x0302 | |
799 | #endif | |
c0804614 MC |
800 | |
801 | void evp_encode_ctx_set_flags(EVP_ENCODE_CTX *ctx, unsigned int flags); | |
802 | ||
803 | /* EVP_ENCODE_CTX flags */ | |
3fd59700 MC |
804 | /* Don't generate new lines when encoding */ |
805 | #define EVP_ENCODE_CTX_NO_NEWLINES 1 | |
806 | /* Use the SRP base64 alphabet instead of the standard one */ | |
807 | #define EVP_ENCODE_CTX_USE_SRP_ALPHABET 2 | |
7606bed9 | 808 | |
b4250010 DMSP |
809 | const EVP_CIPHER *evp_get_cipherbyname_ex(OSSL_LIB_CTX *libctx, |
810 | const char *name); | |
811 | const EVP_MD *evp_get_digestbyname_ex(OSSL_LIB_CTX *libctx, | |
812 | const char *name); | |
e683582b | 813 | |
d8652be0 MC |
814 | int pkcs5_pbkdf2_hmac_ex(const char *pass, int passlen, |
815 | const unsigned char *salt, int saltlen, int iter, | |
816 | const EVP_MD *digest, int keylen, unsigned char *out, | |
b4250010 | 817 | OSSL_LIB_CTX *libctx, const char *propq); |
5ccada09 | 818 | |
f844f9eb | 819 | #ifndef FIPS_MODULE |
4fe54d67 NT |
820 | /* |
821 | * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params(). | |
822 | * | |
823 | * Return 1 on success, 0 or negative for errors. | |
824 | * | |
825 | * In particular they return -2 if any of the params is not supported. | |
826 | * | |
f844f9eb | 827 | * They are not available in FIPS_MODULE as they depend on |
4fe54d67 NT |
828 | * - EVP_PKEY_CTX_{get,set}_params() |
829 | * - EVP_PKEY_CTX_{gettable,settable}_params() | |
830 | * | |
831 | */ | |
832 | int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params); | |
833 | int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params); | |
472a88b7 | 834 | |
d8652be0 | 835 | EVP_MD_CTX *evp_md_ctx_new_ex(EVP_PKEY *pkey, const ASN1_OCTET_STRING *id, |
b4250010 | 836 | OSSL_LIB_CTX *libctx, const char *propq); |
50914496 | 837 | int evp_pkey_name2type(const char *name); |
977e95b9 | 838 | const char *evp_pkey_type2name(int type); |
86df26b3 RL |
839 | |
840 | int evp_pkey_ctx_set1_id_prov(EVP_PKEY_CTX *ctx, const void *id, int len); | |
841 | int evp_pkey_ctx_get1_id_prov(EVP_PKEY_CTX *ctx, void *id); | |
842 | int evp_pkey_ctx_get1_id_len_prov(EVP_PKEY_CTX *ctx, size_t *id_len); | |
843 | ||
844 | int evp_pkey_ctx_use_cached_data(EVP_PKEY_CTX *ctx); | |
f844f9eb | 845 | #endif /* !defined(FIPS_MODULE) */ |
b4250010 DMSP |
846 | void evp_method_store_flush(OSSL_LIB_CTX *libctx); |
847 | int evp_set_default_properties_int(OSSL_LIB_CTX *libctx, const char *propq, | |
e6c54619 | 848 | int loadconfig); |
3101ab60 MC |
849 | |
850 | void evp_md_ctx_clear_digest(EVP_MD_CTX *ctx, int force); |