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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 | ||
27af42f9 | 21 | struct evp_pkey_ctx_st { |
864b89ce MC |
22 | /* Actual operation */ |
23 | int operation; | |
24 | ||
3ee348b0 | 25 | /* |
4b9e90f4 RL |
26 | * Library context, property query, keytype and keymgmt associated with |
27 | * this context | |
3ee348b0 RL |
28 | */ |
29 | OPENSSL_CTX *libctx; | |
a07c17ef | 30 | const char *propquery; |
4b9e90f4 | 31 | const char *keytype; |
c0e0984f RL |
32 | EVP_KEYMGMT *keymgmt; |
33 | ||
864b89ce | 34 | union { |
62924755 RL |
35 | struct { |
36 | void *genctx; | |
37 | } keymgmt; | |
38 | ||
864b89ce MC |
39 | struct { |
40 | EVP_KEYEXCH *exchange; | |
41 | void *exchprovctx; | |
42 | } kex; | |
ff64702b | 43 | |
864b89ce MC |
44 | struct { |
45 | EVP_SIGNATURE *signature; | |
46 | void *sigprovctx; | |
47 | } sig; | |
2c938e2e MC |
48 | |
49 | struct { | |
50 | EVP_ASYM_CIPHER *cipher; | |
51 | void *ciphprovctx; | |
52 | } ciph; | |
864b89ce | 53 | } op; |
dfcb5d29 | 54 | |
86df26b3 RL |
55 | /* |
56 | * Cached parameters. Inits of operations that depend on these should | |
57 | * call evp_pkey_ctx_use_delayed_data() when the operation has been set | |
58 | * up properly. | |
59 | */ | |
60 | struct { | |
61 | /* Distinguishing Identifier, ISO/IEC 15946-3, FIPS 196 */ | |
62 | char *dist_id_name; /* The name used with EVP_PKEY_CTX_ctrl_str() */ | |
63 | void *dist_id; /* The distinguishing ID itself */ | |
64 | size_t dist_id_len; /* The length of the distinguishing ID */ | |
65 | ||
66 | /* Indicators of what has been set. Keep them together! */ | |
67 | unsigned int dist_id_set : 1; | |
68 | } cached_parameters; | |
69 | ||
62924755 RL |
70 | /* Application specific data, usually used by the callback */ |
71 | void *app_data; | |
72 | /* Keygen callback */ | |
73 | EVP_PKEY_gen_cb *pkey_gencb; | |
74 | /* implementation specific keygen data */ | |
75 | int *keygen_info; | |
76 | int keygen_info_count; | |
77 | ||
ff64702b MC |
78 | /* Legacy fields below */ |
79 | ||
50914496 RL |
80 | /* EVP_PKEY identity */ |
81 | int legacy_keytype; | |
27af42f9 DSH |
82 | /* Method associated with this operation */ |
83 | const EVP_PKEY_METHOD *pmeth; | |
84 | /* Engine that implements this method or NULL if builtin */ | |
85 | ENGINE *engine; | |
86 | /* Key: may be NULL */ | |
87 | EVP_PKEY *pkey; | |
88 | /* Peer key for key agreement, may be NULL */ | |
89 | EVP_PKEY *peerkey; | |
27af42f9 DSH |
90 | /* Algorithm specific data */ |
91 | void *data; | |
a5ce329e RL |
92 | /* Indicator if digest_custom needs to be called */ |
93 | unsigned int flag_call_digest_custom:1; | |
27af42f9 DSH |
94 | } /* EVP_PKEY_CTX */ ; |
95 | ||
96 | #define EVP_PKEY_FLAG_DYNAMIC 1 | |
97 | ||
98 | struct evp_pkey_method_st { | |
99 | int pkey_id; | |
100 | int flags; | |
101 | int (*init) (EVP_PKEY_CTX *ctx); | |
9fdcc21f | 102 | int (*copy) (EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src); |
27af42f9 DSH |
103 | void (*cleanup) (EVP_PKEY_CTX *ctx); |
104 | int (*paramgen_init) (EVP_PKEY_CTX *ctx); | |
105 | int (*paramgen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); | |
106 | int (*keygen_init) (EVP_PKEY_CTX *ctx); | |
107 | int (*keygen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); | |
108 | int (*sign_init) (EVP_PKEY_CTX *ctx); | |
109 | int (*sign) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, | |
110 | const unsigned char *tbs, size_t tbslen); | |
111 | int (*verify_init) (EVP_PKEY_CTX *ctx); | |
112 | int (*verify) (EVP_PKEY_CTX *ctx, | |
113 | const unsigned char *sig, size_t siglen, | |
114 | const unsigned char *tbs, size_t tbslen); | |
115 | int (*verify_recover_init) (EVP_PKEY_CTX *ctx); | |
116 | int (*verify_recover) (EVP_PKEY_CTX *ctx, | |
117 | unsigned char *rout, size_t *routlen, | |
118 | const unsigned char *sig, size_t siglen); | |
119 | int (*signctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); | |
120 | int (*signctx) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, | |
121 | EVP_MD_CTX *mctx); | |
122 | int (*verifyctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); | |
123 | int (*verifyctx) (EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen, | |
124 | EVP_MD_CTX *mctx); | |
125 | int (*encrypt_init) (EVP_PKEY_CTX *ctx); | |
126 | int (*encrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, | |
127 | const unsigned char *in, size_t inlen); | |
128 | int (*decrypt_init) (EVP_PKEY_CTX *ctx); | |
129 | int (*decrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, | |
130 | const unsigned char *in, size_t inlen); | |
131 | int (*derive_init) (EVP_PKEY_CTX *ctx); | |
132 | int (*derive) (EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen); | |
133 | int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, void *p2); | |
134 | int (*ctrl_str) (EVP_PKEY_CTX *ctx, const char *type, const char *value); | |
f723c98e DSH |
135 | int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen, |
136 | const unsigned char *tbs, size_t tbslen); | |
137 | int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig, | |
138 | size_t siglen, const unsigned char *tbs, | |
139 | size_t tbslen); | |
2aee35d3 | 140 | int (*check) (EVP_PKEY *pkey); |
b0004708 PY |
141 | int (*public_check) (EVP_PKEY *pkey); |
142 | int (*param_check) (EVP_PKEY *pkey); | |
0a8fdef7 PY |
143 | |
144 | int (*digest_custom) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); | |
27af42f9 DSH |
145 | } /* EVP_PKEY_METHOD */ ; |
146 | ||
a8eba56e | 147 | DEFINE_STACK_OF_CONST(EVP_PKEY_METHOD) |
4a1f3f27 | 148 | |
27af42f9 | 149 | void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx); |
8f463dbd | 150 | |
19bd1fa1 PS |
151 | const EVP_PKEY_METHOD *dh_pkey_method(void); |
152 | const EVP_PKEY_METHOD *dhx_pkey_method(void); | |
153 | const EVP_PKEY_METHOD *dsa_pkey_method(void); | |
154 | const EVP_PKEY_METHOD *ec_pkey_method(void); | |
155 | const EVP_PKEY_METHOD *sm2_pkey_method(void); | |
156 | const EVP_PKEY_METHOD *ecx25519_pkey_method(void); | |
157 | const EVP_PKEY_METHOD *ecx448_pkey_method(void); | |
158 | const EVP_PKEY_METHOD *ed25519_pkey_method(void); | |
159 | const EVP_PKEY_METHOD *ed448_pkey_method(void); | |
19bd1fa1 PS |
160 | const EVP_PKEY_METHOD *rsa_pkey_method(void); |
161 | const EVP_PKEY_METHOD *rsa_pss_pkey_method(void); | |
2db6bf6f | 162 | |
567db2c1 | 163 | struct evp_mac_st { |
e74bd290 | 164 | OSSL_PROVIDER *prov; |
f7c16d48 | 165 | int name_id; |
e74bd290 RL |
166 | |
167 | CRYPTO_REF_COUNT refcnt; | |
168 | CRYPTO_RWLOCK *lock; | |
169 | ||
363b1e5d DMSP |
170 | OSSL_FUNC_mac_newctx_fn *newctx; |
171 | OSSL_FUNC_mac_dupctx_fn *dupctx; | |
172 | OSSL_FUNC_mac_freectx_fn *freectx; | |
173 | OSSL_FUNC_mac_size_fn *size; | |
174 | OSSL_FUNC_mac_init_fn *init; | |
175 | OSSL_FUNC_mac_update_fn *update; | |
176 | OSSL_FUNC_mac_final_fn *final; | |
177 | OSSL_FUNC_mac_gettable_params_fn *gettable_params; | |
178 | OSSL_FUNC_mac_gettable_ctx_params_fn *gettable_ctx_params; | |
179 | OSSL_FUNC_mac_settable_ctx_params_fn *settable_ctx_params; | |
180 | OSSL_FUNC_mac_get_params_fn *get_params; | |
181 | OSSL_FUNC_mac_get_ctx_params_fn *get_ctx_params; | |
182 | OSSL_FUNC_mac_set_ctx_params_fn *set_ctx_params; | |
567db2c1 RL |
183 | }; |
184 | ||
d2ba8123 | 185 | struct evp_kdf_st { |
fb9e6dd6 | 186 | OSSL_PROVIDER *prov; |
f7c16d48 | 187 | int name_id; |
fb9e6dd6 P |
188 | CRYPTO_REF_COUNT refcnt; |
189 | CRYPTO_RWLOCK *lock; | |
190 | ||
363b1e5d DMSP |
191 | OSSL_FUNC_kdf_newctx_fn *newctx; |
192 | OSSL_FUNC_kdf_dupctx_fn *dupctx; | |
193 | OSSL_FUNC_kdf_freectx_fn *freectx; | |
194 | OSSL_FUNC_kdf_reset_fn *reset; | |
195 | OSSL_FUNC_kdf_derive_fn *derive; | |
196 | OSSL_FUNC_kdf_gettable_params_fn *gettable_params; | |
197 | OSSL_FUNC_kdf_gettable_ctx_params_fn *gettable_ctx_params; | |
198 | OSSL_FUNC_kdf_settable_ctx_params_fn *settable_ctx_params; | |
199 | OSSL_FUNC_kdf_get_params_fn *get_params; | |
200 | OSSL_FUNC_kdf_get_ctx_params_fn *get_ctx_params; | |
201 | OSSL_FUNC_kdf_set_ctx_params_fn *set_ctx_params; | |
d2ba8123 | 202 | }; |
5a285add | 203 | |
2db6bf6f | 204 | struct evp_md_st { |
3653d0c2 | 205 | /* nid */ |
2db6bf6f | 206 | int type; |
3653d0c2 MC |
207 | |
208 | /* Legacy structure members */ | |
209 | /* TODO(3.0): Remove these */ | |
2db6bf6f RL |
210 | int pkey_type; |
211 | int md_size; | |
212 | unsigned long flags; | |
213 | int (*init) (EVP_MD_CTX *ctx); | |
214 | int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count); | |
215 | int (*final) (EVP_MD_CTX *ctx, unsigned char *md); | |
216 | int (*copy) (EVP_MD_CTX *to, const EVP_MD_CTX *from); | |
217 | int (*cleanup) (EVP_MD_CTX *ctx); | |
218 | int block_size; | |
219 | int ctx_size; /* how big does the ctx->md_data need to be */ | |
220 | /* control function */ | |
221 | int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, void *p2); | |
3653d0c2 MC |
222 | |
223 | /* New structure members */ | |
224 | /* TODO(3.0): Remove above comment when legacy has gone */ | |
f7c16d48 | 225 | int name_id; |
3653d0c2 MC |
226 | OSSL_PROVIDER *prov; |
227 | CRYPTO_REF_COUNT refcnt; | |
228 | CRYPTO_RWLOCK *lock; | |
363b1e5d DMSP |
229 | OSSL_FUNC_digest_newctx_fn *newctx; |
230 | OSSL_FUNC_digest_init_fn *dinit; | |
231 | OSSL_FUNC_digest_update_fn *dupdate; | |
232 | OSSL_FUNC_digest_final_fn *dfinal; | |
233 | OSSL_FUNC_digest_digest_fn *digest; | |
234 | OSSL_FUNC_digest_freectx_fn *freectx; | |
235 | OSSL_FUNC_digest_dupctx_fn *dupctx; | |
236 | OSSL_FUNC_digest_get_params_fn *get_params; | |
237 | OSSL_FUNC_digest_set_ctx_params_fn *set_ctx_params; | |
238 | OSSL_FUNC_digest_get_ctx_params_fn *get_ctx_params; | |
239 | OSSL_FUNC_digest_gettable_params_fn *gettable_params; | |
240 | OSSL_FUNC_digest_settable_ctx_params_fn *settable_ctx_params; | |
241 | OSSL_FUNC_digest_gettable_ctx_params_fn *gettable_ctx_params; | |
3653d0c2 | 242 | |
2db6bf6f RL |
243 | } /* EVP_MD */ ; |
244 | ||
e79f8773 RL |
245 | struct evp_cipher_st { |
246 | int nid; | |
df05f2ce | 247 | |
e79f8773 RL |
248 | int block_size; |
249 | /* Default value for variable length ciphers */ | |
250 | int key_len; | |
251 | int iv_len; | |
df05f2ce MC |
252 | |
253 | /* Legacy structure members */ | |
254 | /* TODO(3.0): Remove these */ | |
e79f8773 RL |
255 | /* Various flags */ |
256 | unsigned long flags; | |
257 | /* init key */ | |
258 | int (*init) (EVP_CIPHER_CTX *ctx, const unsigned char *key, | |
259 | const unsigned char *iv, int enc); | |
260 | /* encrypt/decrypt data */ | |
261 | int (*do_cipher) (EVP_CIPHER_CTX *ctx, unsigned char *out, | |
262 | const unsigned char *in, size_t inl); | |
263 | /* cleanup ctx */ | |
264 | int (*cleanup) (EVP_CIPHER_CTX *); | |
265 | /* how big ctx->cipher_data needs to be */ | |
266 | int ctx_size; | |
267 | /* Populate a ASN1_TYPE with parameters */ | |
268 | int (*set_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *); | |
269 | /* Get parameters from a ASN1_TYPE */ | |
270 | int (*get_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *); | |
271 | /* Miscellaneous operations */ | |
272 | int (*ctrl) (EVP_CIPHER_CTX *, int type, int arg, void *ptr); | |
273 | /* Application data */ | |
274 | void *app_data; | |
df05f2ce MC |
275 | |
276 | /* New structure members */ | |
277 | /* TODO(3.0): Remove above comment when legacy has gone */ | |
f7c16d48 | 278 | int name_id; |
df05f2ce MC |
279 | OSSL_PROVIDER *prov; |
280 | CRYPTO_REF_COUNT refcnt; | |
281 | CRYPTO_RWLOCK *lock; | |
363b1e5d DMSP |
282 | OSSL_FUNC_cipher_newctx_fn *newctx; |
283 | OSSL_FUNC_cipher_encrypt_init_fn *einit; | |
284 | OSSL_FUNC_cipher_decrypt_init_fn *dinit; | |
285 | OSSL_FUNC_cipher_update_fn *cupdate; | |
286 | OSSL_FUNC_cipher_final_fn *cfinal; | |
287 | OSSL_FUNC_cipher_cipher_fn *ccipher; | |
288 | OSSL_FUNC_cipher_freectx_fn *freectx; | |
289 | OSSL_FUNC_cipher_dupctx_fn *dupctx; | |
290 | OSSL_FUNC_cipher_get_params_fn *get_params; | |
291 | OSSL_FUNC_cipher_get_ctx_params_fn *get_ctx_params; | |
292 | OSSL_FUNC_cipher_set_ctx_params_fn *set_ctx_params; | |
293 | OSSL_FUNC_cipher_gettable_params_fn *gettable_params; | |
294 | OSSL_FUNC_cipher_gettable_ctx_params_fn *gettable_ctx_params; | |
295 | OSSL_FUNC_cipher_settable_ctx_params_fn *settable_ctx_params; | |
e79f8773 RL |
296 | } /* EVP_CIPHER */ ; |
297 | ||
298 | /* Macros to code block cipher wrappers */ | |
299 | ||
300 | /* Wrapper functions for each cipher mode */ | |
301 | ||
44ab2dfd MC |
302 | #define EVP_C_DATA(kstruct, ctx) \ |
303 | ((kstruct *)EVP_CIPHER_CTX_get_cipher_data(ctx)) | |
e79f8773 RL |
304 | |
305 | #define BLOCK_CIPHER_ecb_loop() \ | |
306 | size_t i, bl; \ | |
307 | bl = EVP_CIPHER_CTX_cipher(ctx)->block_size; \ | |
e8aa8b6c | 308 | if (inl < bl) return 1;\ |
e79f8773 | 309 | inl -= bl; \ |
e8aa8b6c | 310 | for (i=0; i <= inl; i+=bl) |
e79f8773 RL |
311 | |
312 | #define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ | |
313 | static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
314 | {\ | |
315 | BLOCK_CIPHER_ecb_loop() \ | |
316 | cprefix##_ecb_encrypt(in + i, out + i, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_encrypting(ctx)); \ | |
317 | return 1;\ | |
318 | } | |
319 | ||
320 | #define EVP_MAXCHUNK ((size_t)1<<(sizeof(long)*8-2)) | |
321 | ||
322 | #define BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) \ | |
323 | static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
324 | {\ | |
325 | while(inl>=EVP_MAXCHUNK) {\ | |
326 | int num = EVP_CIPHER_CTX_num(ctx);\ | |
2f5c405a | 327 | cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, &num); \ |
e79f8773 RL |
328 | EVP_CIPHER_CTX_set_num(ctx, num);\ |
329 | inl-=EVP_MAXCHUNK;\ | |
330 | in +=EVP_MAXCHUNK;\ | |
331 | out+=EVP_MAXCHUNK;\ | |
332 | }\ | |
333 | if (inl) {\ | |
334 | int num = EVP_CIPHER_CTX_num(ctx);\ | |
2f5c405a | 335 | cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, &num); \ |
e79f8773 RL |
336 | EVP_CIPHER_CTX_set_num(ctx, num);\ |
337 | }\ | |
338 | return 1;\ | |
339 | } | |
340 | ||
341 | #define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ | |
342 | static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
343 | {\ | |
344 | while(inl>=EVP_MAXCHUNK) \ | |
345 | {\ | |
2f5c405a | 346 | cprefix##_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, EVP_CIPHER_CTX_encrypting(ctx));\ |
e79f8773 RL |
347 | inl-=EVP_MAXCHUNK;\ |
348 | in +=EVP_MAXCHUNK;\ | |
349 | out+=EVP_MAXCHUNK;\ | |
350 | }\ | |
351 | if (inl)\ | |
2f5c405a | 352 | cprefix##_cbc_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, EVP_CIPHER_CTX_encrypting(ctx));\ |
e79f8773 RL |
353 | return 1;\ |
354 | } | |
355 | ||
356 | #define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ | |
357 | static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
358 | {\ | |
e8aa8b6c F |
359 | size_t chunk = EVP_MAXCHUNK;\ |
360 | if (cbits == 1) chunk >>= 3;\ | |
361 | if (inl < chunk) chunk = inl;\ | |
362 | while (inl && inl >= chunk)\ | |
363 | {\ | |
364 | int num = EVP_CIPHER_CTX_num(ctx);\ | |
365 | cprefix##_cfb##cbits##_encrypt(in, out, (long) \ | |
366 | ((cbits == 1) \ | |
367 | && !EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS) \ | |
604e591e | 368 | ? chunk*8 : chunk), \ |
2f5c405a | 369 | &EVP_C_DATA(kstruct, ctx)->ksched, ctx->iv,\ |
e8aa8b6c F |
370 | &num, EVP_CIPHER_CTX_encrypting(ctx));\ |
371 | EVP_CIPHER_CTX_set_num(ctx, num);\ | |
372 | inl -= chunk;\ | |
373 | in += chunk;\ | |
374 | out += chunk;\ | |
375 | if (inl < chunk) chunk = inl;\ | |
376 | }\ | |
377 | return 1;\ | |
e79f8773 RL |
378 | } |
379 | ||
380 | #define BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ | |
381 | BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ | |
382 | BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ | |
383 | BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ | |
384 | BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) | |
385 | ||
386 | #define BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, \ | |
387 | key_len, iv_len, flags, init_key, cleanup, \ | |
388 | set_asn1, get_asn1, ctrl) \ | |
389 | static const EVP_CIPHER cname##_##mode = { \ | |
390 | nid##_##nmode, block_size, key_len, iv_len, \ | |
391 | flags | EVP_CIPH_##MODE##_MODE, \ | |
392 | init_key, \ | |
393 | cname##_##mode##_cipher, \ | |
394 | cleanup, \ | |
395 | sizeof(kstruct), \ | |
396 | set_asn1, get_asn1,\ | |
397 | ctrl, \ | |
398 | NULL \ | |
399 | }; \ | |
400 | const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; } | |
401 | ||
402 | #define BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, \ | |
403 | iv_len, flags, init_key, cleanup, set_asn1, \ | |
404 | get_asn1, ctrl) \ | |
405 | BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \ | |
406 | iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) | |
407 | ||
408 | #define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, \ | |
409 | iv_len, cbits, flags, init_key, cleanup, \ | |
410 | set_asn1, get_asn1, ctrl) \ | |
411 | BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \ | |
412 | key_len, iv_len, flags, init_key, cleanup, set_asn1, \ | |
413 | get_asn1, ctrl) | |
414 | ||
415 | #define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \ | |
416 | iv_len, cbits, flags, init_key, cleanup, \ | |
417 | set_asn1, get_asn1, ctrl) \ | |
418 | BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \ | |
419 | key_len, iv_len, flags, init_key, cleanup, set_asn1, \ | |
420 | get_asn1, ctrl) | |
421 | ||
422 | #define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, \ | |
423 | flags, init_key, cleanup, set_asn1, \ | |
424 | get_asn1, ctrl) \ | |
425 | BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \ | |
426 | 0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) | |
427 | ||
428 | #define BLOCK_CIPHER_defs(cname, kstruct, \ | |
429 | nid, block_size, key_len, iv_len, cbits, flags, \ | |
430 | init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
431 | BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \ | |
432 | init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
433 | BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \ | |
434 | flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
435 | BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \ | |
436 | flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
437 | BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \ | |
438 | init_key, cleanup, set_asn1, get_asn1, ctrl) | |
439 | ||
440 | /*- | |
441 | #define BLOCK_CIPHER_defs(cname, kstruct, \ | |
442 | nid, block_size, key_len, iv_len, flags,\ | |
443 | init_key, cleanup, set_asn1, get_asn1, ctrl)\ | |
444 | static const EVP_CIPHER cname##_cbc = {\ | |
445 | nid##_cbc, block_size, key_len, iv_len, \ | |
446 | flags | EVP_CIPH_CBC_MODE,\ | |
447 | init_key,\ | |
448 | cname##_cbc_cipher,\ | |
449 | cleanup,\ | |
450 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
451 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
452 | set_asn1, get_asn1,\ | |
453 | ctrl, \ | |
454 | NULL \ | |
455 | };\ | |
456 | const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\ | |
457 | static const EVP_CIPHER cname##_cfb = {\ | |
458 | nid##_cfb64, 1, key_len, iv_len, \ | |
459 | flags | EVP_CIPH_CFB_MODE,\ | |
460 | init_key,\ | |
461 | cname##_cfb_cipher,\ | |
462 | cleanup,\ | |
463 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
464 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
465 | set_asn1, get_asn1,\ | |
466 | ctrl,\ | |
467 | NULL \ | |
468 | };\ | |
469 | const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\ | |
470 | static const EVP_CIPHER cname##_ofb = {\ | |
471 | nid##_ofb64, 1, key_len, iv_len, \ | |
472 | flags | EVP_CIPH_OFB_MODE,\ | |
473 | init_key,\ | |
474 | cname##_ofb_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##_ofb(void) { return &cname##_ofb; }\ | |
483 | static const EVP_CIPHER cname##_ecb = {\ | |
484 | nid##_ecb, block_size, key_len, iv_len, \ | |
485 | flags | EVP_CIPH_ECB_MODE,\ | |
486 | init_key,\ | |
487 | cname##_ecb_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##_ecb(void) { return &cname##_ecb; } | |
496 | */ | |
497 | ||
498 | #define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \ | |
499 | block_size, key_len, iv_len, cbits, \ | |
500 | flags, init_key, \ | |
501 | cleanup, set_asn1, get_asn1, ctrl) \ | |
502 | BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ | |
503 | BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \ | |
504 | cbits, flags, init_key, cleanup, set_asn1, \ | |
505 | get_asn1, ctrl) | |
506 | ||
507 | #define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len,fl) \ | |
508 | BLOCK_CIPHER_func_cfb(cipher##_##keysize,cprefix,cbits,kstruct,ksched) \ | |
509 | BLOCK_CIPHER_def_cfb(cipher##_##keysize,kstruct, \ | |
510 | NID_##cipher##_##keysize, keysize/8, iv_len, cbits, \ | |
511 | (fl)|EVP_CIPH_FLAG_DEFAULT_ASN1, \ | |
512 | cipher##_init_key, NULL, NULL, NULL, NULL) | |
513 | ||
924663c3 JZ |
514 | typedef struct { |
515 | unsigned char iv[EVP_MAX_IV_LENGTH]; | |
516 | unsigned int iv_len; | |
517 | unsigned int tag_len; | |
518 | } evp_cipher_aead_asn1_params; | |
519 | ||
520 | int evp_cipher_param_to_asn1_ex(EVP_CIPHER_CTX *c, ASN1_TYPE *type, | |
521 | evp_cipher_aead_asn1_params *params); | |
522 | ||
523 | int evp_cipher_asn1_to_param_ex(EVP_CIPHER_CTX *c, ASN1_TYPE *type, | |
524 | evp_cipher_aead_asn1_params *params); | |
525 | ||
3aeb9348 | 526 | /* |
adc9f731 RL |
527 | * An EVP_PKEY can have the following states: |
528 | * | |
529 | * untyped & empty: | |
530 | * | |
531 | * type == EVP_PKEY_NONE && keymgmt == NULL | |
532 | * | |
533 | * typed & empty: | |
534 | * | |
535 | * (type != EVP_PKEY_NONE && pkey.ptr == NULL) ## legacy (libcrypto only) | |
536 | * || (keymgmt != NULL && keydata == NULL) ## provider side | |
537 | * | |
538 | * fully assigned: | |
539 | * | |
540 | * (type != EVP_PKEY_NONE && pkey.ptr != NULL) ## legacy (libcrypto only) | |
541 | * || (keymgmt != NULL && keydata != NULL) ## provider side | |
542 | * | |
5e5bc836 RL |
543 | * The easiest way to detect a legacy key is: |
544 | * | |
545 | * keymgmt == NULL && type != EVP_PKEY_NONE | |
546 | * | |
547 | * The easiest way to detect a provider side key is: | |
548 | * | |
549 | * keymgmt != NULL | |
3aeb9348 | 550 | */ |
5e5bc836 RL |
551 | #define evp_pkey_is_blank(pk) \ |
552 | ((pk)->type == EVP_PKEY_NONE && (pk)->keymgmt == NULL) | |
553 | #define evp_pkey_is_typed(pk) \ | |
554 | ((pk)->type != EVP_PKEY_NONE || (pk)->keymgmt != NULL) | |
555 | #define evp_pkey_is_assigned(pk) \ | |
556 | ((pk)->pkey.ptr != NULL || (pk)->keydata != NULL) | |
557 | #define evp_pkey_is_legacy(pk) \ | |
558 | ((pk)->type != EVP_PKEY_NONE && (pk)->keymgmt == NULL) | |
559 | #define evp_pkey_is_provided(pk) \ | |
560 | ((pk)->keymgmt != NULL) | |
561 | ||
3aeb9348 | 562 | struct evp_pkey_st { |
a94a3e0d | 563 | /* == Legacy attributes == */ |
3aeb9348 DSH |
564 | int type; |
565 | int save_type; | |
3c6ed955 | 566 | |
f844f9eb | 567 | # ifndef FIPS_MODULE |
3c6ed955 RL |
568 | /* |
569 | * Legacy key "origin" is composed of a pointer to an EVP_PKEY_ASN1_METHOD, | |
570 | * a pointer to a low level key and possibly a pointer to an engine. | |
571 | */ | |
3aeb9348 DSH |
572 | const EVP_PKEY_ASN1_METHOD *ameth; |
573 | ENGINE *engine; | |
d19b01ad | 574 | ENGINE *pmeth_engine; /* If not NULL public key ENGINE to use */ |
3aeb9348 | 575 | union { |
a4cb54d2 | 576 | void *ptr; |
adc9f731 | 577 | # ifndef OPENSSL_NO_RSA |
3aeb9348 | 578 | struct rsa_st *rsa; /* RSA */ |
adc9f731 RL |
579 | # endif |
580 | # ifndef OPENSSL_NO_DSA | |
3aeb9348 | 581 | struct dsa_st *dsa; /* DSA */ |
adc9f731 RL |
582 | # endif |
583 | # ifndef OPENSSL_NO_DH | |
3aeb9348 | 584 | struct dh_st *dh; /* DH */ |
adc9f731 RL |
585 | # endif |
586 | # ifndef OPENSSL_NO_EC | |
3aeb9348 | 587 | struct ec_key_st *ec; /* ECC */ |
13735cfe | 588 | ECX_KEY *ecx; /* X25519, X448, Ed25519, Ed448 */ |
adc9f731 | 589 | # endif |
3aeb9348 | 590 | } pkey; |
adc9f731 | 591 | # endif |
a94a3e0d RL |
592 | |
593 | /* == Common attributes == */ | |
4ce1025a | 594 | /* If these are modified, so must evp_pkey_downgrade() */ |
a94a3e0d | 595 | CRYPTO_REF_COUNT references; |
03273d61 | 596 | CRYPTO_RWLOCK *lock; |
a94a3e0d RL |
597 | STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */ |
598 | int save_parameters; | |
f844f9eb | 599 | #ifndef FIPS_MODULE |
ff1f7cde AT |
600 | CRYPTO_EX_DATA ex_data; |
601 | #endif | |
a94a3e0d RL |
602 | |
603 | /* == Provider attributes == */ | |
3c6ed955 RL |
604 | |
605 | /* | |
606 | * Provider keydata "origin" is composed of a pointer to an EVP_KEYMGMT | |
607 | * and a pointer to the provider side key data. This is never used at | |
608 | * the same time as the legacy key data above. | |
609 | */ | |
610 | EVP_KEYMGMT *keymgmt; | |
611 | void *keydata; | |
612 | /* | |
613 | * If any libcrypto code does anything that may modify the keydata | |
614 | * contents, this dirty counter must be incremented. | |
615 | */ | |
616 | size_t dirty_cnt; | |
617 | ||
a94a3e0d | 618 | /* |
3c6ed955 RL |
619 | * To support transparent execution of operation in backends other |
620 | * than the "origin" key, we support transparent export/import to | |
621 | * those providers, and maintain a cache of the imported keydata, | |
622 | * so we don't need to redo the export/import every time we perform | |
623 | * the same operation in that same provider. | |
624 | * This requires that the "origin" backend (whether it's a legacy or a | |
625 | * provider "origin") implements exports, and that the target provider | |
626 | * has an EVP_KEYMGMT that implements import. | |
627 | * | |
628 | * The cache limit is set at 10 different providers using the same | |
629 | * "origin". It's probably over the top, but is preferable to too | |
630 | * few. | |
a94a3e0d RL |
631 | */ |
632 | struct { | |
633 | EVP_KEYMGMT *keymgmt; | |
b305452f | 634 | void *keydata; |
3c6ed955 | 635 | } operation_cache[10]; |
70a1f7b4 | 636 | /* |
3c6ed955 RL |
637 | * We keep a copy of that "origin"'s dirty count, so we know if the |
638 | * operation cache needs flushing. | |
70a1f7b4 RL |
639 | */ |
640 | size_t dirty_cnt_copy; | |
6508e858 | 641 | |
b305452f | 642 | /* Cache of key object information */ |
6508e858 RL |
643 | struct { |
644 | int bits; | |
645 | int security_bits; | |
646 | int size; | |
647 | } cache; | |
3aeb9348 | 648 | } /* EVP_PKEY */ ; |
7b9f8f7f | 649 | |
864b89ce MC |
650 | #define EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) \ |
651 | ((ctx)->operation == EVP_PKEY_OP_SIGN \ | |
652 | || (ctx)->operation == EVP_PKEY_OP_SIGNCTX \ | |
653 | || (ctx)->operation == EVP_PKEY_OP_VERIFY \ | |
654 | || (ctx)->operation == EVP_PKEY_OP_VERIFYCTX \ | |
655 | || (ctx)->operation == EVP_PKEY_OP_VERIFYRECOVER) | |
656 | ||
657 | #define EVP_PKEY_CTX_IS_DERIVE_OP(ctx) \ | |
658 | ((ctx)->operation == EVP_PKEY_OP_DERIVE) | |
7b9f8f7f | 659 | |
2c938e2e MC |
660 | #define EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) \ |
661 | ((ctx)->operation == EVP_PKEY_OP_ENCRYPT \ | |
662 | || (ctx)->operation == EVP_PKEY_OP_DECRYPT) | |
663 | ||
62924755 RL |
664 | #define EVP_PKEY_CTX_IS_GEN_OP(ctx) \ |
665 | ((ctx)->operation == EVP_PKEY_OP_PARAMGEN \ | |
666 | || (ctx)->operation == EVP_PKEY_OP_KEYGEN) | |
667 | ||
b3599dbb MC |
668 | void openssl_add_all_ciphers_int(void); |
669 | void openssl_add_all_digests_int(void); | |
670 | void evp_cleanup_int(void); | |
0822e89a | 671 | void evp_app_cleanup_int(void); |
3c6ed955 RL |
672 | void *evp_pkey_export_to_provider(EVP_PKEY *pk, OPENSSL_CTX *libctx, |
673 | EVP_KEYMGMT **keymgmt, | |
674 | const char *propquery); | |
f844f9eb | 675 | #ifndef FIPS_MODULE |
4ce1025a | 676 | int evp_pkey_copy_downgraded(EVP_PKEY **dest, const EVP_PKEY *src); |
acb90ba8 | 677 | int evp_pkey_downgrade(EVP_PKEY *pk); |
62924755 RL |
678 | void evp_pkey_free_legacy(EVP_PKEY *x); |
679 | #endif | |
9d6fcd42 | 680 | |
68552cde RL |
681 | /* |
682 | * KEYMGMT utility functions | |
683 | */ | |
af836c22 RL |
684 | |
685 | /* | |
686 | * Key import structure and helper function, to be used as an export callback | |
687 | */ | |
688 | struct evp_keymgmt_util_try_import_data_st { | |
689 | EVP_KEYMGMT *keymgmt; | |
690 | void *keydata; | |
691 | ||
692 | int selection; | |
693 | }; | |
694 | int evp_keymgmt_util_try_import(const OSSL_PARAM params[], void *arg); | |
695 | int evp_keymgmt_util_assign_pkey(EVP_PKEY *pkey, EVP_KEYMGMT *keymgmt, | |
696 | void *keydata); | |
697 | EVP_PKEY *evp_keymgmt_util_make_pkey(EVP_KEYMGMT *keymgmt, void *keydata); | |
698 | ||
655f73ce RL |
699 | int evp_keymgmt_util_export(const EVP_PKEY *pk, int selection, |
700 | OSSL_CALLBACK *export_cb, void *export_cbarg); | |
b305452f | 701 | void *evp_keymgmt_util_export_to_provider(EVP_PKEY *pk, EVP_KEYMGMT *keymgmt); |
3c6ed955 RL |
702 | size_t evp_keymgmt_util_find_operation_cache_index(EVP_PKEY *pk, |
703 | EVP_KEYMGMT *keymgmt); | |
704 | void evp_keymgmt_util_clear_operation_cache(EVP_PKEY *pk); | |
705 | int evp_keymgmt_util_cache_keydata(EVP_PKEY *pk, size_t index, | |
706 | EVP_KEYMGMT *keymgmt, void *keydata); | |
707 | void evp_keymgmt_util_cache_keyinfo(EVP_PKEY *pk); | |
68552cde | 708 | void *evp_keymgmt_util_fromdata(EVP_PKEY *target, EVP_KEYMGMT *keymgmt, |
b305452f | 709 | int selection, const OSSL_PARAM params[]); |
157ded39 | 710 | int evp_keymgmt_util_has(EVP_PKEY *pk, int selection); |
1e9101c4 | 711 | int evp_keymgmt_util_match(EVP_PKEY *pk1, EVP_PKEY *pk2, int selection); |
ff3b59e1 | 712 | int evp_keymgmt_util_copy(EVP_PKEY *to, EVP_PKEY *from, int selection); |
62924755 RL |
713 | void *evp_keymgmt_util_gen(EVP_PKEY *target, EVP_KEYMGMT *keymgmt, |
714 | void *genctx, OSSL_CALLBACK *cb, void *cbarg); | |
3b924da0 RL |
715 | int evp_keymgmt_util_get_deflt_digest_name(EVP_KEYMGMT *keymgmt, |
716 | void *keydata, | |
717 | char *mdname, size_t mdname_sz); | |
70a1f7b4 | 718 | |
68552cde RL |
719 | /* |
720 | * KEYMGMT provider interface functions | |
721 | */ | |
b305452f RL |
722 | void *evp_keymgmt_newdata(const EVP_KEYMGMT *keymgmt); |
723 | void evp_keymgmt_freedata(const EVP_KEYMGMT *keymgmt, void *keyddata); | |
724 | int evp_keymgmt_get_params(const EVP_KEYMGMT *keymgmt, | |
725 | void *keydata, OSSL_PARAM params[]); | |
4fe54d67 NT |
726 | int evp_keymgmt_set_params(const EVP_KEYMGMT *keymgmt, |
727 | void *keydata, const OSSL_PARAM params[]); | |
1a5632e0 RL |
728 | void *evp_keymgmt_gen_init(const EVP_KEYMGMT *keymgmt, int selection); |
729 | int evp_keymgmt_gen_set_template(const EVP_KEYMGMT *keymgmt, void *genctx, | |
730 | void *template); | |
731 | int evp_keymgmt_gen_set_params(const EVP_KEYMGMT *keymgmt, void *genctx, | |
732 | const OSSL_PARAM params[]); | |
1a5632e0 RL |
733 | void *evp_keymgmt_gen(const EVP_KEYMGMT *keymgmt, void *genctx, |
734 | OSSL_CALLBACK *cb, void *cbarg); | |
735 | void evp_keymgmt_gen_cleanup(const EVP_KEYMGMT *keymgmt, void *genctx); | |
b305452f | 736 | |
5dacb38c RL |
737 | void *evp_keymgmt_load(const EVP_KEYMGMT *keymgmt, |
738 | const void *objref, size_t objref_sz); | |
739 | ||
b305452f RL |
740 | int evp_keymgmt_has(const EVP_KEYMGMT *keymgmt, void *keyddata, int selection); |
741 | int evp_keymgmt_validate(const EVP_KEYMGMT *keymgmt, void *keydata, | |
742 | int selection); | |
bee5d6cd RL |
743 | int evp_keymgmt_match(const EVP_KEYMGMT *keymgmt, |
744 | const void *keydata1, const void *keydata2, | |
745 | int selection); | |
b305452f RL |
746 | |
747 | int evp_keymgmt_import(const EVP_KEYMGMT *keymgmt, void *keydata, | |
748 | int selection, const OSSL_PARAM params[]); | |
749 | const OSSL_PARAM *evp_keymgmt_import_types(const EVP_KEYMGMT *keymgmt, | |
750 | int selection); | |
751 | int evp_keymgmt_export(const EVP_KEYMGMT *keymgmt, void *keydata, | |
752 | int selection, OSSL_CALLBACK *param_cb, void *cbarg); | |
753 | const OSSL_PARAM *evp_keymgmt_export_types(const EVP_KEYMGMT *keymgmt, | |
754 | int selection); | |
13697f1c RL |
755 | int evp_keymgmt_copy(const EVP_KEYMGMT *keymgmt, |
756 | void *keydata_to, const void *keydata_from, | |
757 | int selection); | |
12603de6 | 758 | |
46f4e1be | 759 | /* Pulling defines out of C source files */ |
9d6fcd42 TS |
760 | |
761 | #define EVP_RC4_KEY_SIZE 16 | |
762 | #ifndef TLS1_1_VERSION | |
763 | # define TLS1_1_VERSION 0x0302 | |
764 | #endif | |
c0804614 MC |
765 | |
766 | void evp_encode_ctx_set_flags(EVP_ENCODE_CTX *ctx, unsigned int flags); | |
767 | ||
768 | /* EVP_ENCODE_CTX flags */ | |
3fd59700 MC |
769 | /* Don't generate new lines when encoding */ |
770 | #define EVP_ENCODE_CTX_NO_NEWLINES 1 | |
771 | /* Use the SRP base64 alphabet instead of the standard one */ | |
772 | #define EVP_ENCODE_CTX_USE_SRP_ALPHABET 2 | |
7606bed9 MC |
773 | |
774 | const EVP_CIPHER *evp_get_cipherbyname_ex(OPENSSL_CTX *libctx, const char *name); | |
775 | const EVP_MD *evp_get_digestbyname_ex(OPENSSL_CTX *libctx, const char *name); | |
e683582b | 776 | |
5ccada09 SL |
777 | int pkcs5_pbkdf2_hmac_with_libctx(const char *pass, int passlen, |
778 | const unsigned char *salt, int saltlen, | |
779 | int iter, const EVP_MD *digest, int keylen, | |
780 | unsigned char *out, | |
781 | OPENSSL_CTX *libctx, const char *propq); | |
782 | ||
f844f9eb | 783 | #ifndef FIPS_MODULE |
4fe54d67 NT |
784 | /* |
785 | * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params(). | |
786 | * | |
787 | * Return 1 on success, 0 or negative for errors. | |
788 | * | |
789 | * In particular they return -2 if any of the params is not supported. | |
790 | * | |
f844f9eb | 791 | * They are not available in FIPS_MODULE as they depend on |
4fe54d67 NT |
792 | * - EVP_PKEY_CTX_{get,set}_params() |
793 | * - EVP_PKEY_CTX_{gettable,settable}_params() | |
794 | * | |
795 | */ | |
796 | int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params); | |
797 | int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params); | |
472a88b7 | 798 | |
ded346fa DDO |
799 | EVP_MD_CTX *evp_md_ctx_new_with_libctx(EVP_PKEY *pkey, |
800 | const ASN1_OCTET_STRING *id, | |
801 | OPENSSL_CTX *libctx, const char *propq); | |
50914496 | 802 | int evp_pkey_name2type(const char *name); |
86df26b3 RL |
803 | |
804 | int evp_pkey_ctx_set1_id_prov(EVP_PKEY_CTX *ctx, const void *id, int len); | |
805 | int evp_pkey_ctx_get1_id_prov(EVP_PKEY_CTX *ctx, void *id); | |
806 | int evp_pkey_ctx_get1_id_len_prov(EVP_PKEY_CTX *ctx, size_t *id_len); | |
807 | ||
808 | int evp_pkey_ctx_use_cached_data(EVP_PKEY_CTX *ctx); | |
f844f9eb | 809 | #endif /* !defined(FIPS_MODULE) */ |
04cb5ec0 | 810 | void evp_method_store_flush(OPENSSL_CTX *libctx); |
e6c54619 MC |
811 | int evp_set_default_properties_int(OPENSSL_CTX *libctx, const char *propq, |
812 | int loadconfig); | |
3101ab60 MC |
813 | |
814 | void evp_md_ctx_clear_digest(EVP_MD_CTX *ctx, int force); |