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27af42f9 | 1 | /* |
b6461792 | 2 | * Copyright 2015-2024 The OpenSSL Project Authors. All Rights Reserved. |
27af42f9 | 3 | * |
48f4ad77 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
aa6bb135 RS |
5 | * this file except in compliance with the License. You can obtain a copy |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
27af42f9 DSH |
8 | */ |
9 | ||
80ce21fe F |
10 | #ifndef OSSL_CRYPTO_EVP_H |
11 | # define OSSL_CRYPTO_EVP_H | |
12 | # pragma once | |
13 | ||
14 | # include <openssl/evp.h> | |
15 | # include <openssl/core_dispatch.h> | |
16 | # include "internal/refcount.h" | |
17 | # include "crypto/ecx.h" | |
2f545ae4 | 18 | |
3859a027 | 19 | /* |
20 | * Default PKCS5 PBE KDF salt lengths | |
21 | * In RFC 8018, PBE1 uses 8 bytes (64 bits) for its salt length. | |
22 | * It also specifies to use at least 8 bytes for PBES2. | |
23 | * The NIST requirement for PBKDF2 is 128 bits so we use this as the | |
24 | * default for PBE2 (scrypt and HKDF2) | |
25 | */ | |
26 | # define PKCS5_DEFAULT_PBE1_SALT_LEN PKCS5_SALT_LEN | |
27 | # define PKCS5_DEFAULT_PBE2_SALT_LEN 16 | |
4803717f PY |
28 | /* |
29 | * Don't free up md_ctx->pctx in EVP_MD_CTX_reset, use the reserved flag | |
30 | * values in evp.h | |
31 | */ | |
32 | #define EVP_MD_CTX_FLAG_KEEP_PKEY_CTX 0x0400 | |
3fc2b7d6 | 33 | #define EVP_MD_CTX_FLAG_FINALISED 0x0800 |
4803717f | 34 | |
f21c9c64 | 35 | #define evp_pkey_ctx_is_legacy(ctx) \ |
929f651e | 36 | ((ctx)->keymgmt == NULL) |
f21c9c64 RL |
37 | #define evp_pkey_ctx_is_provided(ctx) \ |
38 | (!evp_pkey_ctx_is_legacy(ctx)) | |
39 | ||
27af42f9 | 40 | struct evp_pkey_ctx_st { |
864b89ce MC |
41 | /* Actual operation */ |
42 | int operation; | |
43 | ||
3ee348b0 | 44 | /* |
4b9e90f4 RL |
45 | * Library context, property query, keytype and keymgmt associated with |
46 | * this context | |
3ee348b0 | 47 | */ |
b4250010 | 48 | OSSL_LIB_CTX *libctx; |
ddfd7182 | 49 | char *propquery; |
4b9e90f4 | 50 | const char *keytype; |
5246183e | 51 | /* If |pkey| below is set, this field is always a reference to its keymgmt */ |
c0e0984f RL |
52 | EVP_KEYMGMT *keymgmt; |
53 | ||
864b89ce | 54 | union { |
62924755 RL |
55 | struct { |
56 | void *genctx; | |
57 | } keymgmt; | |
58 | ||
864b89ce MC |
59 | struct { |
60 | EVP_KEYEXCH *exchange; | |
7c14d0c1 SL |
61 | /* |
62 | * Opaque ctx returned from a providers exchange algorithm | |
63 | * implementation OSSL_FUNC_keyexch_newctx() | |
64 | */ | |
65 | void *algctx; | |
864b89ce | 66 | } kex; |
ff64702b | 67 | |
864b89ce MC |
68 | struct { |
69 | EVP_SIGNATURE *signature; | |
7c14d0c1 SL |
70 | /* |
71 | * Opaque ctx returned from a providers signature algorithm | |
72 | * implementation OSSL_FUNC_signature_newctx() | |
73 | */ | |
74 | void *algctx; | |
864b89ce | 75 | } sig; |
2c938e2e MC |
76 | |
77 | struct { | |
78 | EVP_ASYM_CIPHER *cipher; | |
7c14d0c1 SL |
79 | /* |
80 | * Opaque ctx returned from a providers asymmetric cipher algorithm | |
81 | * implementation OSSL_FUNC_asym_cipher_newctx() | |
82 | */ | |
83 | void *algctx; | |
2c938e2e | 84 | } ciph; |
80f4fd18 SL |
85 | struct { |
86 | EVP_KEM *kem; | |
7c14d0c1 SL |
87 | /* |
88 | * Opaque ctx returned from a providers KEM algorithm | |
89 | * implementation OSSL_FUNC_kem_newctx() | |
90 | */ | |
91 | void *algctx; | |
80f4fd18 | 92 | } encap; |
864b89ce | 93 | } op; |
dfcb5d29 | 94 | |
86df26b3 RL |
95 | /* |
96 | * Cached parameters. Inits of operations that depend on these should | |
97 | * call evp_pkey_ctx_use_delayed_data() when the operation has been set | |
98 | * up properly. | |
99 | */ | |
100 | struct { | |
101 | /* Distinguishing Identifier, ISO/IEC 15946-3, FIPS 196 */ | |
102 | char *dist_id_name; /* The name used with EVP_PKEY_CTX_ctrl_str() */ | |
103 | void *dist_id; /* The distinguishing ID itself */ | |
104 | size_t dist_id_len; /* The length of the distinguishing ID */ | |
105 | ||
106 | /* Indicators of what has been set. Keep them together! */ | |
107 | unsigned int dist_id_set : 1; | |
108 | } cached_parameters; | |
109 | ||
62924755 RL |
110 | /* Application specific data, usually used by the callback */ |
111 | void *app_data; | |
112 | /* Keygen callback */ | |
113 | EVP_PKEY_gen_cb *pkey_gencb; | |
114 | /* implementation specific keygen data */ | |
115 | int *keygen_info; | |
116 | int keygen_info_count; | |
117 | ||
ff64702b MC |
118 | /* Legacy fields below */ |
119 | ||
50914496 RL |
120 | /* EVP_PKEY identity */ |
121 | int legacy_keytype; | |
27af42f9 DSH |
122 | /* Method associated with this operation */ |
123 | const EVP_PKEY_METHOD *pmeth; | |
124 | /* Engine that implements this method or NULL if builtin */ | |
125 | ENGINE *engine; | |
126 | /* Key: may be NULL */ | |
127 | EVP_PKEY *pkey; | |
128 | /* Peer key for key agreement, may be NULL */ | |
129 | EVP_PKEY *peerkey; | |
27af42f9 DSH |
130 | /* Algorithm specific data */ |
131 | void *data; | |
a5ce329e RL |
132 | /* Indicator if digest_custom needs to be called */ |
133 | unsigned int flag_call_digest_custom:1; | |
3786d748 | 134 | /* |
135 | * Used to support taking custody of memory in the case of a provider being | |
136 | * used with the deprecated EVP_PKEY_CTX_set_rsa_keygen_pubexp() API. This | |
137 | * member should NOT be used for any other purpose and should be removed | |
138 | * when said deprecated API is excised completely. | |
139 | */ | |
140 | BIGNUM *rsa_pubexp; | |
27af42f9 DSH |
141 | } /* EVP_PKEY_CTX */ ; |
142 | ||
143 | #define EVP_PKEY_FLAG_DYNAMIC 1 | |
144 | ||
145 | struct evp_pkey_method_st { | |
146 | int pkey_id; | |
147 | int flags; | |
148 | int (*init) (EVP_PKEY_CTX *ctx); | |
9fdcc21f | 149 | int (*copy) (EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src); |
27af42f9 DSH |
150 | void (*cleanup) (EVP_PKEY_CTX *ctx); |
151 | int (*paramgen_init) (EVP_PKEY_CTX *ctx); | |
152 | int (*paramgen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); | |
153 | int (*keygen_init) (EVP_PKEY_CTX *ctx); | |
154 | int (*keygen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); | |
155 | int (*sign_init) (EVP_PKEY_CTX *ctx); | |
156 | int (*sign) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, | |
157 | const unsigned char *tbs, size_t tbslen); | |
158 | int (*verify_init) (EVP_PKEY_CTX *ctx); | |
159 | int (*verify) (EVP_PKEY_CTX *ctx, | |
160 | const unsigned char *sig, size_t siglen, | |
161 | const unsigned char *tbs, size_t tbslen); | |
162 | int (*verify_recover_init) (EVP_PKEY_CTX *ctx); | |
163 | int (*verify_recover) (EVP_PKEY_CTX *ctx, | |
164 | unsigned char *rout, size_t *routlen, | |
165 | const unsigned char *sig, size_t siglen); | |
166 | int (*signctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); | |
167 | int (*signctx) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, | |
168 | EVP_MD_CTX *mctx); | |
169 | int (*verifyctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); | |
170 | int (*verifyctx) (EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen, | |
171 | EVP_MD_CTX *mctx); | |
172 | int (*encrypt_init) (EVP_PKEY_CTX *ctx); | |
173 | int (*encrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, | |
174 | const unsigned char *in, size_t inlen); | |
175 | int (*decrypt_init) (EVP_PKEY_CTX *ctx); | |
176 | int (*decrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, | |
177 | const unsigned char *in, size_t inlen); | |
178 | int (*derive_init) (EVP_PKEY_CTX *ctx); | |
179 | int (*derive) (EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen); | |
180 | int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, void *p2); | |
181 | int (*ctrl_str) (EVP_PKEY_CTX *ctx, const char *type, const char *value); | |
f723c98e DSH |
182 | int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen, |
183 | const unsigned char *tbs, size_t tbslen); | |
184 | int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig, | |
185 | size_t siglen, const unsigned char *tbs, | |
186 | size_t tbslen); | |
2aee35d3 | 187 | int (*check) (EVP_PKEY *pkey); |
b0004708 PY |
188 | int (*public_check) (EVP_PKEY *pkey); |
189 | int (*param_check) (EVP_PKEY *pkey); | |
0a8fdef7 PY |
190 | |
191 | int (*digest_custom) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); | |
27af42f9 DSH |
192 | } /* EVP_PKEY_METHOD */ ; |
193 | ||
a8eba56e | 194 | DEFINE_STACK_OF_CONST(EVP_PKEY_METHOD) |
4a1f3f27 | 195 | |
27af42f9 | 196 | void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx); |
8f463dbd | 197 | |
19dbb742 SL |
198 | const EVP_PKEY_METHOD *ossl_dh_pkey_method(void); |
199 | const EVP_PKEY_METHOD *ossl_dhx_pkey_method(void); | |
5af02212 | 200 | const EVP_PKEY_METHOD *ossl_dsa_pkey_method(void); |
32ab57cb SL |
201 | const EVP_PKEY_METHOD *ossl_ec_pkey_method(void); |
202 | const EVP_PKEY_METHOD *ossl_ecx25519_pkey_method(void); | |
203 | const EVP_PKEY_METHOD *ossl_ecx448_pkey_method(void); | |
204 | const EVP_PKEY_METHOD *ossl_ed25519_pkey_method(void); | |
205 | const EVP_PKEY_METHOD *ossl_ed448_pkey_method(void); | |
23b2fc0b P |
206 | const EVP_PKEY_METHOD *ossl_rsa_pkey_method(void); |
207 | const EVP_PKEY_METHOD *ossl_rsa_pss_pkey_method(void); | |
2db6bf6f | 208 | |
567db2c1 | 209 | struct evp_mac_st { |
e74bd290 | 210 | OSSL_PROVIDER *prov; |
f7c16d48 | 211 | int name_id; |
6c9bc258 | 212 | char *type_name; |
309a78aa | 213 | const char *description; |
e74bd290 RL |
214 | |
215 | CRYPTO_REF_COUNT refcnt; | |
e74bd290 | 216 | |
363b1e5d DMSP |
217 | OSSL_FUNC_mac_newctx_fn *newctx; |
218 | OSSL_FUNC_mac_dupctx_fn *dupctx; | |
219 | OSSL_FUNC_mac_freectx_fn *freectx; | |
363b1e5d DMSP |
220 | OSSL_FUNC_mac_init_fn *init; |
221 | OSSL_FUNC_mac_update_fn *update; | |
222 | OSSL_FUNC_mac_final_fn *final; | |
223 | OSSL_FUNC_mac_gettable_params_fn *gettable_params; | |
224 | OSSL_FUNC_mac_gettable_ctx_params_fn *gettable_ctx_params; | |
225 | OSSL_FUNC_mac_settable_ctx_params_fn *settable_ctx_params; | |
226 | OSSL_FUNC_mac_get_params_fn *get_params; | |
227 | OSSL_FUNC_mac_get_ctx_params_fn *get_ctx_params; | |
228 | OSSL_FUNC_mac_set_ctx_params_fn *set_ctx_params; | |
567db2c1 RL |
229 | }; |
230 | ||
d2ba8123 | 231 | struct evp_kdf_st { |
fb9e6dd6 | 232 | OSSL_PROVIDER *prov; |
f7c16d48 | 233 | int name_id; |
6c9bc258 | 234 | char *type_name; |
309a78aa | 235 | const char *description; |
fb9e6dd6 | 236 | CRYPTO_REF_COUNT refcnt; |
fb9e6dd6 | 237 | |
363b1e5d DMSP |
238 | OSSL_FUNC_kdf_newctx_fn *newctx; |
239 | OSSL_FUNC_kdf_dupctx_fn *dupctx; | |
240 | OSSL_FUNC_kdf_freectx_fn *freectx; | |
241 | OSSL_FUNC_kdf_reset_fn *reset; | |
242 | OSSL_FUNC_kdf_derive_fn *derive; | |
243 | OSSL_FUNC_kdf_gettable_params_fn *gettable_params; | |
244 | OSSL_FUNC_kdf_gettable_ctx_params_fn *gettable_ctx_params; | |
245 | OSSL_FUNC_kdf_settable_ctx_params_fn *settable_ctx_params; | |
246 | OSSL_FUNC_kdf_get_params_fn *get_params; | |
247 | OSSL_FUNC_kdf_get_ctx_params_fn *get_ctx_params; | |
248 | OSSL_FUNC_kdf_set_ctx_params_fn *set_ctx_params; | |
d2ba8123 | 249 | }; |
5a285add | 250 | |
f6c95e46 RS |
251 | #define EVP_ORIG_DYNAMIC 0 |
252 | #define EVP_ORIG_GLOBAL 1 | |
253 | #define EVP_ORIG_METH 2 | |
254 | ||
2db6bf6f | 255 | struct evp_md_st { |
3653d0c2 | 256 | /* nid */ |
2db6bf6f | 257 | int type; |
3653d0c2 MC |
258 | |
259 | /* Legacy structure members */ | |
2db6bf6f RL |
260 | int pkey_type; |
261 | int md_size; | |
262 | unsigned long flags; | |
f6c95e46 | 263 | int origin; |
2db6bf6f RL |
264 | int (*init) (EVP_MD_CTX *ctx); |
265 | int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count); | |
266 | int (*final) (EVP_MD_CTX *ctx, unsigned char *md); | |
267 | int (*copy) (EVP_MD_CTX *to, const EVP_MD_CTX *from); | |
268 | int (*cleanup) (EVP_MD_CTX *ctx); | |
269 | int block_size; | |
270 | int ctx_size; /* how big does the ctx->md_data need to be */ | |
271 | /* control function */ | |
272 | int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, void *p2); | |
3653d0c2 MC |
273 | |
274 | /* New structure members */ | |
946bdd12 | 275 | /* Above comment to be removed when legacy has gone */ |
f7c16d48 | 276 | int name_id; |
6c9bc258 | 277 | char *type_name; |
309a78aa | 278 | const char *description; |
3653d0c2 MC |
279 | OSSL_PROVIDER *prov; |
280 | CRYPTO_REF_COUNT refcnt; | |
363b1e5d DMSP |
281 | OSSL_FUNC_digest_newctx_fn *newctx; |
282 | OSSL_FUNC_digest_init_fn *dinit; | |
283 | OSSL_FUNC_digest_update_fn *dupdate; | |
284 | OSSL_FUNC_digest_final_fn *dfinal; | |
53664908 | 285 | OSSL_FUNC_digest_squeeze_fn *dsqueeze; |
363b1e5d DMSP |
286 | OSSL_FUNC_digest_digest_fn *digest; |
287 | OSSL_FUNC_digest_freectx_fn *freectx; | |
288 | OSSL_FUNC_digest_dupctx_fn *dupctx; | |
289 | OSSL_FUNC_digest_get_params_fn *get_params; | |
290 | OSSL_FUNC_digest_set_ctx_params_fn *set_ctx_params; | |
291 | OSSL_FUNC_digest_get_ctx_params_fn *get_ctx_params; | |
292 | OSSL_FUNC_digest_gettable_params_fn *gettable_params; | |
293 | OSSL_FUNC_digest_settable_ctx_params_fn *settable_ctx_params; | |
294 | OSSL_FUNC_digest_gettable_ctx_params_fn *gettable_ctx_params; | |
3653d0c2 | 295 | |
2db6bf6f RL |
296 | } /* EVP_MD */ ; |
297 | ||
e79f8773 RL |
298 | struct evp_cipher_st { |
299 | int nid; | |
df05f2ce | 300 | |
e79f8773 RL |
301 | int block_size; |
302 | /* Default value for variable length ciphers */ | |
303 | int key_len; | |
304 | int iv_len; | |
df05f2ce MC |
305 | |
306 | /* Legacy structure members */ | |
e79f8773 RL |
307 | /* Various flags */ |
308 | unsigned long flags; | |
f6c95e46 RS |
309 | /* How the EVP_CIPHER was created. */ |
310 | int origin; | |
e79f8773 RL |
311 | /* init key */ |
312 | int (*init) (EVP_CIPHER_CTX *ctx, const unsigned char *key, | |
313 | const unsigned char *iv, int enc); | |
314 | /* encrypt/decrypt data */ | |
315 | int (*do_cipher) (EVP_CIPHER_CTX *ctx, unsigned char *out, | |
316 | const unsigned char *in, size_t inl); | |
317 | /* cleanup ctx */ | |
318 | int (*cleanup) (EVP_CIPHER_CTX *); | |
319 | /* how big ctx->cipher_data needs to be */ | |
320 | int ctx_size; | |
321 | /* Populate a ASN1_TYPE with parameters */ | |
322 | int (*set_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *); | |
323 | /* Get parameters from a ASN1_TYPE */ | |
324 | int (*get_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *); | |
325 | /* Miscellaneous operations */ | |
326 | int (*ctrl) (EVP_CIPHER_CTX *, int type, int arg, void *ptr); | |
327 | /* Application data */ | |
328 | void *app_data; | |
df05f2ce MC |
329 | |
330 | /* New structure members */ | |
946bdd12 | 331 | /* Above comment to be removed when legacy has gone */ |
f7c16d48 | 332 | int name_id; |
6c9bc258 | 333 | char *type_name; |
309a78aa | 334 | const char *description; |
df05f2ce MC |
335 | OSSL_PROVIDER *prov; |
336 | CRYPTO_REF_COUNT refcnt; | |
363b1e5d DMSP |
337 | OSSL_FUNC_cipher_newctx_fn *newctx; |
338 | OSSL_FUNC_cipher_encrypt_init_fn *einit; | |
339 | OSSL_FUNC_cipher_decrypt_init_fn *dinit; | |
340 | OSSL_FUNC_cipher_update_fn *cupdate; | |
341 | OSSL_FUNC_cipher_final_fn *cfinal; | |
342 | OSSL_FUNC_cipher_cipher_fn *ccipher; | |
343 | OSSL_FUNC_cipher_freectx_fn *freectx; | |
344 | OSSL_FUNC_cipher_dupctx_fn *dupctx; | |
345 | OSSL_FUNC_cipher_get_params_fn *get_params; | |
346 | OSSL_FUNC_cipher_get_ctx_params_fn *get_ctx_params; | |
347 | OSSL_FUNC_cipher_set_ctx_params_fn *set_ctx_params; | |
348 | OSSL_FUNC_cipher_gettable_params_fn *gettable_params; | |
349 | OSSL_FUNC_cipher_gettable_ctx_params_fn *gettable_ctx_params; | |
350 | OSSL_FUNC_cipher_settable_ctx_params_fn *settable_ctx_params; | |
e79f8773 RL |
351 | } /* EVP_CIPHER */ ; |
352 | ||
353 | /* Macros to code block cipher wrappers */ | |
354 | ||
355 | /* Wrapper functions for each cipher mode */ | |
356 | ||
44ab2dfd MC |
357 | #define EVP_C_DATA(kstruct, ctx) \ |
358 | ((kstruct *)EVP_CIPHER_CTX_get_cipher_data(ctx)) | |
e79f8773 RL |
359 | |
360 | #define BLOCK_CIPHER_ecb_loop() \ | |
361 | size_t i, bl; \ | |
f6c95e46 | 362 | bl = EVP_CIPHER_CTX_get0_cipher(ctx)->block_size; \ |
e8aa8b6c | 363 | if (inl < bl) return 1;\ |
e79f8773 | 364 | inl -= bl; \ |
e8aa8b6c | 365 | for (i=0; i <= inl; i+=bl) |
e79f8773 RL |
366 | |
367 | #define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ | |
368 | static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
369 | {\ | |
370 | BLOCK_CIPHER_ecb_loop() \ | |
ed576acd | 371 | cprefix##_ecb_encrypt(in + i, out + i, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_is_encrypting(ctx)); \ |
e79f8773 RL |
372 | return 1;\ |
373 | } | |
374 | ||
709d4be7 | 375 | #define EVP_MAXCHUNK ((size_t)1 << 30) |
e79f8773 RL |
376 | |
377 | #define BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) \ | |
378 | static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
379 | {\ | |
380 | while(inl>=EVP_MAXCHUNK) {\ | |
ed576acd | 381 | int num = EVP_CIPHER_CTX_get_num(ctx);\ |
2f5c405a | 382 | cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, &num); \ |
e79f8773 RL |
383 | EVP_CIPHER_CTX_set_num(ctx, num);\ |
384 | inl-=EVP_MAXCHUNK;\ | |
385 | in +=EVP_MAXCHUNK;\ | |
386 | out+=EVP_MAXCHUNK;\ | |
387 | }\ | |
388 | if (inl) {\ | |
ed576acd | 389 | int num = EVP_CIPHER_CTX_get_num(ctx);\ |
2f5c405a | 390 | cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, &num); \ |
e79f8773 RL |
391 | EVP_CIPHER_CTX_set_num(ctx, num);\ |
392 | }\ | |
393 | return 1;\ | |
394 | } | |
395 | ||
396 | #define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ | |
397 | static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
398 | {\ | |
399 | while(inl>=EVP_MAXCHUNK) \ | |
400 | {\ | |
ed576acd | 401 | cprefix##_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, EVP_CIPHER_CTX_is_encrypting(ctx));\ |
e79f8773 RL |
402 | inl-=EVP_MAXCHUNK;\ |
403 | in +=EVP_MAXCHUNK;\ | |
404 | out+=EVP_MAXCHUNK;\ | |
405 | }\ | |
406 | if (inl)\ | |
ed576acd | 407 | cprefix##_cbc_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, EVP_CIPHER_CTX_is_encrypting(ctx));\ |
e79f8773 RL |
408 | return 1;\ |
409 | } | |
410 | ||
411 | #define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ | |
412 | static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
413 | {\ | |
e8aa8b6c F |
414 | size_t chunk = EVP_MAXCHUNK;\ |
415 | if (cbits == 1) chunk >>= 3;\ | |
416 | if (inl < chunk) chunk = inl;\ | |
417 | while (inl && inl >= chunk)\ | |
418 | {\ | |
ed576acd | 419 | int num = EVP_CIPHER_CTX_get_num(ctx);\ |
e8aa8b6c F |
420 | cprefix##_cfb##cbits##_encrypt(in, out, (long) \ |
421 | ((cbits == 1) \ | |
422 | && !EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS) \ | |
604e591e | 423 | ? chunk*8 : chunk), \ |
2f5c405a | 424 | &EVP_C_DATA(kstruct, ctx)->ksched, ctx->iv,\ |
ed576acd | 425 | &num, EVP_CIPHER_CTX_is_encrypting(ctx));\ |
e8aa8b6c F |
426 | EVP_CIPHER_CTX_set_num(ctx, num);\ |
427 | inl -= chunk;\ | |
428 | in += chunk;\ | |
429 | out += chunk;\ | |
430 | if (inl < chunk) chunk = inl;\ | |
431 | }\ | |
432 | return 1;\ | |
e79f8773 RL |
433 | } |
434 | ||
435 | #define BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ | |
436 | BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ | |
437 | BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ | |
438 | BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ | |
439 | BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) | |
440 | ||
441 | #define BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, \ | |
442 | key_len, iv_len, flags, init_key, cleanup, \ | |
443 | set_asn1, get_asn1, ctrl) \ | |
444 | static const EVP_CIPHER cname##_##mode = { \ | |
445 | nid##_##nmode, block_size, key_len, iv_len, \ | |
446 | flags | EVP_CIPH_##MODE##_MODE, \ | |
f6c95e46 | 447 | EVP_ORIG_GLOBAL, \ |
e79f8773 RL |
448 | init_key, \ |
449 | cname##_##mode##_cipher, \ | |
450 | cleanup, \ | |
451 | sizeof(kstruct), \ | |
452 | set_asn1, get_asn1,\ | |
453 | ctrl, \ | |
454 | NULL \ | |
455 | }; \ | |
456 | const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; } | |
457 | ||
458 | #define BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, \ | |
459 | iv_len, flags, init_key, cleanup, set_asn1, \ | |
460 | get_asn1, ctrl) \ | |
461 | BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \ | |
462 | iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) | |
463 | ||
464 | #define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, \ | |
465 | iv_len, cbits, flags, init_key, cleanup, \ | |
466 | set_asn1, get_asn1, ctrl) \ | |
467 | BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \ | |
468 | key_len, iv_len, flags, init_key, cleanup, set_asn1, \ | |
469 | get_asn1, ctrl) | |
470 | ||
471 | #define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \ | |
472 | iv_len, cbits, flags, init_key, cleanup, \ | |
473 | set_asn1, get_asn1, ctrl) \ | |
474 | BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \ | |
475 | key_len, iv_len, flags, init_key, cleanup, set_asn1, \ | |
476 | get_asn1, ctrl) | |
477 | ||
478 | #define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, \ | |
479 | flags, init_key, cleanup, set_asn1, \ | |
480 | get_asn1, ctrl) \ | |
481 | BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \ | |
482 | 0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) | |
483 | ||
484 | #define BLOCK_CIPHER_defs(cname, kstruct, \ | |
485 | nid, block_size, key_len, iv_len, cbits, flags, \ | |
486 | init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
487 | BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \ | |
488 | init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
489 | BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \ | |
490 | flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
491 | BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \ | |
492 | flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
493 | BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \ | |
494 | init_key, cleanup, set_asn1, get_asn1, ctrl) | |
495 | ||
496 | /*- | |
497 | #define BLOCK_CIPHER_defs(cname, kstruct, \ | |
498 | nid, block_size, key_len, iv_len, flags,\ | |
499 | init_key, cleanup, set_asn1, get_asn1, ctrl)\ | |
500 | static const EVP_CIPHER cname##_cbc = {\ | |
501 | nid##_cbc, block_size, key_len, iv_len, \ | |
502 | flags | EVP_CIPH_CBC_MODE,\ | |
f6c95e46 | 503 | EVP_ORIG_GLOBAL,\ |
e79f8773 RL |
504 | init_key,\ |
505 | cname##_cbc_cipher,\ | |
506 | cleanup,\ | |
507 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
508 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
509 | set_asn1, get_asn1,\ | |
510 | ctrl, \ | |
511 | NULL \ | |
512 | };\ | |
513 | const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\ | |
514 | static const EVP_CIPHER cname##_cfb = {\ | |
515 | nid##_cfb64, 1, key_len, iv_len, \ | |
516 | flags | EVP_CIPH_CFB_MODE,\ | |
f6c95e46 | 517 | EVP_ORIG_GLOBAL,\ |
e79f8773 RL |
518 | init_key,\ |
519 | cname##_cfb_cipher,\ | |
520 | cleanup,\ | |
521 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
522 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
523 | set_asn1, get_asn1,\ | |
524 | ctrl,\ | |
525 | NULL \ | |
526 | };\ | |
527 | const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\ | |
528 | static const EVP_CIPHER cname##_ofb = {\ | |
529 | nid##_ofb64, 1, key_len, iv_len, \ | |
530 | flags | EVP_CIPH_OFB_MODE,\ | |
f6c95e46 | 531 | EVP_ORIG_GLOBAL,\ |
e79f8773 RL |
532 | init_key,\ |
533 | cname##_ofb_cipher,\ | |
534 | cleanup,\ | |
535 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
536 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
537 | set_asn1, get_asn1,\ | |
538 | ctrl,\ | |
539 | NULL \ | |
540 | };\ | |
541 | const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\ | |
542 | static const EVP_CIPHER cname##_ecb = {\ | |
543 | nid##_ecb, block_size, key_len, iv_len, \ | |
544 | flags | EVP_CIPH_ECB_MODE,\ | |
f6c95e46 | 545 | EVP_ORIG_GLOBAL,\ |
e79f8773 RL |
546 | init_key,\ |
547 | cname##_ecb_cipher,\ | |
548 | cleanup,\ | |
549 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
550 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
551 | set_asn1, get_asn1,\ | |
552 | ctrl,\ | |
553 | NULL \ | |
554 | };\ | |
555 | const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; } | |
556 | */ | |
557 | ||
558 | #define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \ | |
559 | block_size, key_len, iv_len, cbits, \ | |
560 | flags, init_key, \ | |
561 | cleanup, set_asn1, get_asn1, ctrl) \ | |
562 | BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ | |
563 | BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \ | |
564 | cbits, flags, init_key, cleanup, set_asn1, \ | |
565 | get_asn1, ctrl) | |
566 | ||
567 | #define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len,fl) \ | |
568 | BLOCK_CIPHER_func_cfb(cipher##_##keysize,cprefix,cbits,kstruct,ksched) \ | |
569 | BLOCK_CIPHER_def_cfb(cipher##_##keysize,kstruct, \ | |
570 | NID_##cipher##_##keysize, keysize/8, iv_len, cbits, \ | |
571 | (fl)|EVP_CIPH_FLAG_DEFAULT_ASN1, \ | |
572 | cipher##_init_key, NULL, NULL, NULL, NULL) | |
573 | ||
924663c3 JZ |
574 | typedef struct { |
575 | unsigned char iv[EVP_MAX_IV_LENGTH]; | |
576 | unsigned int iv_len; | |
577 | unsigned int tag_len; | |
578 | } evp_cipher_aead_asn1_params; | |
579 | ||
580 | int evp_cipher_param_to_asn1_ex(EVP_CIPHER_CTX *c, ASN1_TYPE *type, | |
581 | evp_cipher_aead_asn1_params *params); | |
582 | ||
583 | int evp_cipher_asn1_to_param_ex(EVP_CIPHER_CTX *c, ASN1_TYPE *type, | |
584 | evp_cipher_aead_asn1_params *params); | |
585 | ||
64954e2f P |
586 | /* |
587 | * To support transparent execution of operation in backends other | |
588 | * than the "origin" key, we support transparent export/import to | |
589 | * those providers, and maintain a cache of the imported keydata, | |
590 | * so we don't need to redo the export/import every time we perform | |
591 | * the same operation in that same provider. | |
592 | * This requires that the "origin" backend (whether it's a legacy or a | |
593 | * provider "origin") implements exports, and that the target provider | |
594 | * has an EVP_KEYMGMT that implements import. | |
595 | */ | |
596 | typedef struct { | |
597 | EVP_KEYMGMT *keymgmt; | |
598 | void *keydata; | |
98642df4 | 599 | int selection; |
64954e2f P |
600 | } OP_CACHE_ELEM; |
601 | ||
602 | DEFINE_STACK_OF(OP_CACHE_ELEM) | |
603 | ||
3aeb9348 | 604 | /* |
adc9f731 RL |
605 | * An EVP_PKEY can have the following states: |
606 | * | |
607 | * untyped & empty: | |
608 | * | |
609 | * type == EVP_PKEY_NONE && keymgmt == NULL | |
610 | * | |
611 | * typed & empty: | |
612 | * | |
613 | * (type != EVP_PKEY_NONE && pkey.ptr == NULL) ## legacy (libcrypto only) | |
614 | * || (keymgmt != NULL && keydata == NULL) ## provider side | |
615 | * | |
616 | * fully assigned: | |
617 | * | |
618 | * (type != EVP_PKEY_NONE && pkey.ptr != NULL) ## legacy (libcrypto only) | |
619 | * || (keymgmt != NULL && keydata != NULL) ## provider side | |
620 | * | |
5e5bc836 RL |
621 | * The easiest way to detect a legacy key is: |
622 | * | |
623 | * keymgmt == NULL && type != EVP_PKEY_NONE | |
624 | * | |
625 | * The easiest way to detect a provider side key is: | |
626 | * | |
627 | * keymgmt != NULL | |
3aeb9348 | 628 | */ |
5e5bc836 RL |
629 | #define evp_pkey_is_blank(pk) \ |
630 | ((pk)->type == EVP_PKEY_NONE && (pk)->keymgmt == NULL) | |
631 | #define evp_pkey_is_typed(pk) \ | |
632 | ((pk)->type != EVP_PKEY_NONE || (pk)->keymgmt != NULL) | |
4d4928ed RL |
633 | #ifndef FIPS_MODULE |
634 | # define evp_pkey_is_assigned(pk) \ | |
5e5bc836 | 635 | ((pk)->pkey.ptr != NULL || (pk)->keydata != NULL) |
4d4928ed RL |
636 | #else |
637 | # define evp_pkey_is_assigned(pk) \ | |
638 | ((pk)->keydata != NULL) | |
639 | #endif | |
5e5bc836 RL |
640 | #define evp_pkey_is_legacy(pk) \ |
641 | ((pk)->type != EVP_PKEY_NONE && (pk)->keymgmt == NULL) | |
642 | #define evp_pkey_is_provided(pk) \ | |
643 | ((pk)->keymgmt != NULL) | |
644 | ||
b574c6a9 MC |
645 | union legacy_pkey_st { |
646 | void *ptr; | |
647 | struct rsa_st *rsa; /* RSA */ | |
648 | # ifndef OPENSSL_NO_DSA | |
649 | struct dsa_st *dsa; /* DSA */ | |
650 | # endif | |
651 | # ifndef OPENSSL_NO_DH | |
652 | struct dh_st *dh; /* DH */ | |
653 | # endif | |
654 | # ifndef OPENSSL_NO_EC | |
655 | struct ec_key_st *ec; /* ECC */ | |
4032cd9a | 656 | # ifndef OPENSSL_NO_ECX |
b574c6a9 | 657 | ECX_KEY *ecx; /* X25519, X448, Ed25519, Ed448 */ |
4032cd9a | 658 | # endif |
b574c6a9 MC |
659 | # endif |
660 | }; | |
661 | ||
3aeb9348 | 662 | struct evp_pkey_st { |
a94a3e0d | 663 | /* == Legacy attributes == */ |
3aeb9348 DSH |
664 | int type; |
665 | int save_type; | |
3c6ed955 | 666 | |
f844f9eb | 667 | # ifndef FIPS_MODULE |
3c6ed955 RL |
668 | /* |
669 | * Legacy key "origin" is composed of a pointer to an EVP_PKEY_ASN1_METHOD, | |
670 | * a pointer to a low level key and possibly a pointer to an engine. | |
671 | */ | |
3aeb9348 DSH |
672 | const EVP_PKEY_ASN1_METHOD *ameth; |
673 | ENGINE *engine; | |
d19b01ad | 674 | ENGINE *pmeth_engine; /* If not NULL public key ENGINE to use */ |
b574c6a9 MC |
675 | |
676 | /* Union to store the reference to an origin legacy key */ | |
677 | union legacy_pkey_st pkey; | |
678 | ||
679 | /* Union to store the reference to a non-origin legacy key */ | |
680 | union legacy_pkey_st legacy_cache_pkey; | |
adc9f731 | 681 | # endif |
a94a3e0d RL |
682 | |
683 | /* == Common attributes == */ | |
684 | CRYPTO_REF_COUNT references; | |
03273d61 | 685 | CRYPTO_RWLOCK *lock; |
b247113c | 686 | #ifndef FIPS_MODULE |
a94a3e0d RL |
687 | STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */ |
688 | int save_parameters; | |
0588778f | 689 | unsigned int foreign:1; /* the low-level key is using an engine or an app-method */ |
ff1f7cde AT |
690 | CRYPTO_EX_DATA ex_data; |
691 | #endif | |
a94a3e0d RL |
692 | |
693 | /* == Provider attributes == */ | |
3c6ed955 RL |
694 | |
695 | /* | |
696 | * Provider keydata "origin" is composed of a pointer to an EVP_KEYMGMT | |
697 | * and a pointer to the provider side key data. This is never used at | |
698 | * the same time as the legacy key data above. | |
699 | */ | |
700 | EVP_KEYMGMT *keymgmt; | |
701 | void *keydata; | |
702 | /* | |
703 | * If any libcrypto code does anything that may modify the keydata | |
704 | * contents, this dirty counter must be incremented. | |
705 | */ | |
706 | size_t dirty_cnt; | |
707 | ||
a94a3e0d | 708 | /* |
3c6ed955 RL |
709 | * To support transparent execution of operation in backends other |
710 | * than the "origin" key, we support transparent export/import to | |
711 | * those providers, and maintain a cache of the imported keydata, | |
712 | * so we don't need to redo the export/import every time we perform | |
713 | * the same operation in that same provider. | |
a94a3e0d | 714 | */ |
64954e2f P |
715 | STACK_OF(OP_CACHE_ELEM) *operation_cache; |
716 | ||
70a1f7b4 | 717 | /* |
3c6ed955 RL |
718 | * We keep a copy of that "origin"'s dirty count, so we know if the |
719 | * operation cache needs flushing. | |
70a1f7b4 RL |
720 | */ |
721 | size_t dirty_cnt_copy; | |
6508e858 | 722 | |
b305452f | 723 | /* Cache of key object information */ |
6508e858 RL |
724 | struct { |
725 | int bits; | |
726 | int security_bits; | |
727 | int size; | |
728 | } cache; | |
3aeb9348 | 729 | } /* EVP_PKEY */ ; |
7b9f8f7f | 730 | |
864b89ce MC |
731 | #define EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) \ |
732 | ((ctx)->operation == EVP_PKEY_OP_SIGN \ | |
733 | || (ctx)->operation == EVP_PKEY_OP_SIGNCTX \ | |
734 | || (ctx)->operation == EVP_PKEY_OP_VERIFY \ | |
735 | || (ctx)->operation == EVP_PKEY_OP_VERIFYCTX \ | |
736 | || (ctx)->operation == EVP_PKEY_OP_VERIFYRECOVER) | |
737 | ||
738 | #define EVP_PKEY_CTX_IS_DERIVE_OP(ctx) \ | |
739 | ((ctx)->operation == EVP_PKEY_OP_DERIVE) | |
7b9f8f7f | 740 | |
2c938e2e MC |
741 | #define EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) \ |
742 | ((ctx)->operation == EVP_PKEY_OP_ENCRYPT \ | |
743 | || (ctx)->operation == EVP_PKEY_OP_DECRYPT) | |
744 | ||
62924755 RL |
745 | #define EVP_PKEY_CTX_IS_GEN_OP(ctx) \ |
746 | ((ctx)->operation == EVP_PKEY_OP_PARAMGEN \ | |
747 | || (ctx)->operation == EVP_PKEY_OP_KEYGEN) | |
748 | ||
9a1c4e41 RL |
749 | #define EVP_PKEY_CTX_IS_FROMDATA_OP(ctx) \ |
750 | ((ctx)->operation == EVP_PKEY_OP_FROMDATA) | |
751 | ||
80f4fd18 SL |
752 | #define EVP_PKEY_CTX_IS_KEM_OP(ctx) \ |
753 | ((ctx)->operation == EVP_PKEY_OP_ENCAPSULATE \ | |
754 | || (ctx)->operation == EVP_PKEY_OP_DECAPSULATE) | |
755 | ||
b3599dbb MC |
756 | void openssl_add_all_ciphers_int(void); |
757 | void openssl_add_all_digests_int(void); | |
758 | void evp_cleanup_int(void); | |
0822e89a | 759 | void evp_app_cleanup_int(void); |
b4250010 | 760 | void *evp_pkey_export_to_provider(EVP_PKEY *pk, OSSL_LIB_CTX *libctx, |
3c6ed955 RL |
761 | EVP_KEYMGMT **keymgmt, |
762 | const char *propquery); | |
f844f9eb | 763 | #ifndef FIPS_MODULE |
4ce1025a | 764 | int evp_pkey_copy_downgraded(EVP_PKEY **dest, const EVP_PKEY *src); |
b574c6a9 | 765 | void *evp_pkey_get_legacy(EVP_PKEY *pk); |
62924755 | 766 | void evp_pkey_free_legacy(EVP_PKEY *x); |
4f0831b8 TM |
767 | EVP_PKEY *evp_pkcs82pkey_legacy(const PKCS8_PRIV_KEY_INFO *p8inf, |
768 | OSSL_LIB_CTX *libctx, const char *propq); | |
62924755 | 769 | #endif |
9d6fcd42 | 770 | |
68552cde RL |
771 | /* |
772 | * KEYMGMT utility functions | |
773 | */ | |
af836c22 RL |
774 | |
775 | /* | |
776 | * Key import structure and helper function, to be used as an export callback | |
777 | */ | |
778 | struct evp_keymgmt_util_try_import_data_st { | |
779 | EVP_KEYMGMT *keymgmt; | |
780 | void *keydata; | |
781 | ||
782 | int selection; | |
783 | }; | |
784 | int evp_keymgmt_util_try_import(const OSSL_PARAM params[], void *arg); | |
785 | int evp_keymgmt_util_assign_pkey(EVP_PKEY *pkey, EVP_KEYMGMT *keymgmt, | |
786 | void *keydata); | |
787 | EVP_PKEY *evp_keymgmt_util_make_pkey(EVP_KEYMGMT *keymgmt, void *keydata); | |
788 | ||
655f73ce RL |
789 | int evp_keymgmt_util_export(const EVP_PKEY *pk, int selection, |
790 | OSSL_CALLBACK *export_cb, void *export_cbarg); | |
98642df4 SS |
791 | void *evp_keymgmt_util_export_to_provider(EVP_PKEY *pk, EVP_KEYMGMT *keymgmt, |
792 | int selection); | |
64954e2f | 793 | OP_CACHE_ELEM *evp_keymgmt_util_find_operation_cache(EVP_PKEY *pk, |
98642df4 SS |
794 | EVP_KEYMGMT *keymgmt, |
795 | int selection); | |
36424806 | 796 | int evp_keymgmt_util_clear_operation_cache(EVP_PKEY *pk); |
98642df4 SS |
797 | int evp_keymgmt_util_cache_keydata(EVP_PKEY *pk, EVP_KEYMGMT *keymgmt, |
798 | void *keydata, int selection); | |
3c6ed955 | 799 | void evp_keymgmt_util_cache_keyinfo(EVP_PKEY *pk); |
68552cde | 800 | void *evp_keymgmt_util_fromdata(EVP_PKEY *target, EVP_KEYMGMT *keymgmt, |
b305452f | 801 | int selection, const OSSL_PARAM params[]); |
157ded39 | 802 | int evp_keymgmt_util_has(EVP_PKEY *pk, int selection); |
1e9101c4 | 803 | int evp_keymgmt_util_match(EVP_PKEY *pk1, EVP_PKEY *pk2, int selection); |
ff3b59e1 | 804 | int evp_keymgmt_util_copy(EVP_PKEY *to, EVP_PKEY *from, int selection); |
62924755 RL |
805 | void *evp_keymgmt_util_gen(EVP_PKEY *target, EVP_KEYMGMT *keymgmt, |
806 | void *genctx, OSSL_CALLBACK *cb, void *cbarg); | |
3b924da0 RL |
807 | int evp_keymgmt_util_get_deflt_digest_name(EVP_KEYMGMT *keymgmt, |
808 | void *keydata, | |
809 | char *mdname, size_t mdname_sz); | |
5246183e RL |
810 | const char *evp_keymgmt_util_query_operation_name(EVP_KEYMGMT *keymgmt, |
811 | int op_id); | |
70a1f7b4 | 812 | |
68552cde RL |
813 | /* |
814 | * KEYMGMT provider interface functions | |
815 | */ | |
b305452f RL |
816 | void *evp_keymgmt_newdata(const EVP_KEYMGMT *keymgmt); |
817 | void evp_keymgmt_freedata(const EVP_KEYMGMT *keymgmt, void *keyddata); | |
818 | int evp_keymgmt_get_params(const EVP_KEYMGMT *keymgmt, | |
819 | void *keydata, OSSL_PARAM params[]); | |
4fe54d67 NT |
820 | int evp_keymgmt_set_params(const EVP_KEYMGMT *keymgmt, |
821 | void *keydata, const OSSL_PARAM params[]); | |
1be63b3e P |
822 | void *evp_keymgmt_gen_init(const EVP_KEYMGMT *keymgmt, int selection, |
823 | const OSSL_PARAM params[]); | |
1a5632e0 | 824 | int evp_keymgmt_gen_set_template(const EVP_KEYMGMT *keymgmt, void *genctx, |
420a0874 | 825 | void *templ); |
1a5632e0 RL |
826 | int evp_keymgmt_gen_set_params(const EVP_KEYMGMT *keymgmt, void *genctx, |
827 | const OSSL_PARAM params[]); | |
1a5632e0 RL |
828 | void *evp_keymgmt_gen(const EVP_KEYMGMT *keymgmt, void *genctx, |
829 | OSSL_CALLBACK *cb, void *cbarg); | |
830 | void evp_keymgmt_gen_cleanup(const EVP_KEYMGMT *keymgmt, void *genctx); | |
b305452f | 831 | |
f616ad4b | 832 | int evp_keymgmt_has_load(const EVP_KEYMGMT *keymgmt); |
5dacb38c RL |
833 | void *evp_keymgmt_load(const EVP_KEYMGMT *keymgmt, |
834 | const void *objref, size_t objref_sz); | |
835 | ||
b305452f RL |
836 | int evp_keymgmt_has(const EVP_KEYMGMT *keymgmt, void *keyddata, int selection); |
837 | int evp_keymgmt_validate(const EVP_KEYMGMT *keymgmt, void *keydata, | |
899e2564 | 838 | int selection, int checktype); |
bee5d6cd RL |
839 | int evp_keymgmt_match(const EVP_KEYMGMT *keymgmt, |
840 | const void *keydata1, const void *keydata2, | |
841 | int selection); | |
b305452f RL |
842 | |
843 | int evp_keymgmt_import(const EVP_KEYMGMT *keymgmt, void *keydata, | |
844 | int selection, const OSSL_PARAM params[]); | |
845 | const OSSL_PARAM *evp_keymgmt_import_types(const EVP_KEYMGMT *keymgmt, | |
846 | int selection); | |
847 | int evp_keymgmt_export(const EVP_KEYMGMT *keymgmt, void *keydata, | |
848 | int selection, OSSL_CALLBACK *param_cb, void *cbarg); | |
849 | const OSSL_PARAM *evp_keymgmt_export_types(const EVP_KEYMGMT *keymgmt, | |
850 | int selection); | |
4a9fe33c | 851 | void *evp_keymgmt_dup(const EVP_KEYMGMT *keymgmt, |
b4f447c0 | 852 | const void *keydata_from, int selection); |
4cfcc7e1 TM |
853 | EVP_KEYMGMT *evp_keymgmt_fetch_from_prov(OSSL_PROVIDER *prov, |
854 | const char *name, | |
855 | const char *properties); | |
12603de6 | 856 | |
46f4e1be | 857 | /* Pulling defines out of C source files */ |
9d6fcd42 | 858 | |
80ce21fe F |
859 | # define EVP_RC4_KEY_SIZE 16 |
860 | # ifndef TLS1_1_VERSION | |
861 | # define TLS1_1_VERSION 0x0302 | |
862 | # endif | |
c0804614 MC |
863 | |
864 | void evp_encode_ctx_set_flags(EVP_ENCODE_CTX *ctx, unsigned int flags); | |
865 | ||
866 | /* EVP_ENCODE_CTX flags */ | |
3fd59700 MC |
867 | /* Don't generate new lines when encoding */ |
868 | #define EVP_ENCODE_CTX_NO_NEWLINES 1 | |
869 | /* Use the SRP base64 alphabet instead of the standard one */ | |
870 | #define EVP_ENCODE_CTX_USE_SRP_ALPHABET 2 | |
7606bed9 | 871 | |
b4250010 DMSP |
872 | const EVP_CIPHER *evp_get_cipherbyname_ex(OSSL_LIB_CTX *libctx, |
873 | const char *name); | |
874 | const EVP_MD *evp_get_digestbyname_ex(OSSL_LIB_CTX *libctx, | |
875 | const char *name); | |
e683582b | 876 | |
4e17fb00 SL |
877 | int ossl_pkcs5_pbkdf2_hmac_ex(const char *pass, int passlen, |
878 | const unsigned char *salt, int saltlen, int iter, | |
879 | const EVP_MD *digest, int keylen, | |
880 | unsigned char *out, | |
881 | OSSL_LIB_CTX *libctx, const char *propq); | |
5ccada09 | 882 | |
80ce21fe | 883 | # ifndef FIPS_MODULE |
4fe54d67 NT |
884 | /* |
885 | * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params(). | |
886 | * | |
887 | * Return 1 on success, 0 or negative for errors. | |
888 | * | |
889 | * In particular they return -2 if any of the params is not supported. | |
890 | * | |
f844f9eb | 891 | * They are not available in FIPS_MODULE as they depend on |
4fe54d67 NT |
892 | * - EVP_PKEY_CTX_{get,set}_params() |
893 | * - EVP_PKEY_CTX_{gettable,settable}_params() | |
894 | * | |
895 | */ | |
896 | int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params); | |
897 | int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params); | |
472a88b7 | 898 | |
d8652be0 | 899 | EVP_MD_CTX *evp_md_ctx_new_ex(EVP_PKEY *pkey, const ASN1_OCTET_STRING *id, |
b4250010 | 900 | OSSL_LIB_CTX *libctx, const char *propq); |
50914496 | 901 | int evp_pkey_name2type(const char *name); |
977e95b9 | 902 | const char *evp_pkey_type2name(int type); |
86df26b3 | 903 | |
86df26b3 | 904 | int evp_pkey_ctx_use_cached_data(EVP_PKEY_CTX *ctx); |
80ce21fe F |
905 | # endif /* !defined(FIPS_MODULE) */ |
906 | ||
60640d79 | 907 | int evp_method_store_cache_flush(OSSL_LIB_CTX *libctx); |
2e4d0677 | 908 | int evp_method_store_remove_all_provided(const OSSL_PROVIDER *prov); |
60640d79 | 909 | |
589fbc18 MC |
910 | int evp_default_properties_enable_fips_int(OSSL_LIB_CTX *libctx, int enable, |
911 | int loadconfig); | |
b4250010 | 912 | int evp_set_default_properties_int(OSSL_LIB_CTX *libctx, const char *propq, |
447588b6 MC |
913 | int loadconfig, int mirrored); |
914 | char *evp_get_global_properties_str(OSSL_LIB_CTX *libctx, int loadconfig); | |
3101ab60 | 915 | |
c0b7dac6 | 916 | void evp_md_ctx_clear_digest(EVP_MD_CTX *ctx, int force, int keep_digest); |
fe5c5cb8 TM |
917 | /* just free the algctx if set, returns 0 on inconsistent state of ctx */ |
918 | int evp_md_ctx_free_algctx(EVP_MD_CTX *ctx); | |
80ce21fe | 919 | |
e19246dc RL |
920 | /* Three possible states: */ |
921 | # define EVP_PKEY_STATE_UNKNOWN 0 | |
922 | # define EVP_PKEY_STATE_LEGACY 1 | |
923 | # define EVP_PKEY_STATE_PROVIDER 2 | |
924 | int evp_pkey_ctx_state(const EVP_PKEY_CTX *ctx); | |
925 | ||
9a1c4e41 RL |
926 | /* These two must ONLY be called for provider side operations */ |
927 | int evp_pkey_ctx_ctrl_to_param(EVP_PKEY_CTX *ctx, | |
928 | int keytype, int optype, | |
929 | int cmd, int p1, void *p2); | |
930 | int evp_pkey_ctx_ctrl_str_to_param(EVP_PKEY_CTX *ctx, | |
931 | const char *name, const char *value); | |
932 | ||
933 | /* These two must ONLY be called for legacy operations */ | |
56784203 | 934 | int evp_pkey_ctx_set_params_to_ctrl(EVP_PKEY_CTX *ctx, const OSSL_PARAM *params); |
9a1c4e41 RL |
935 | int evp_pkey_ctx_get_params_to_ctrl(EVP_PKEY_CTX *ctx, OSSL_PARAM *params); |
936 | ||
937 | /* This must ONLY be called for legacy EVP_PKEYs */ | |
938 | int evp_pkey_get_params_to_ctrl(const EVP_PKEY *pkey, OSSL_PARAM *params); | |
939 | ||
7bc0fdd3 MC |
940 | /* Same as the public get0 functions but are not const */ |
941 | # ifndef OPENSSL_NO_DEPRECATED_3_0 | |
942 | DH *evp_pkey_get0_DH_int(const EVP_PKEY *pkey); | |
943 | EC_KEY *evp_pkey_get0_EC_KEY_int(const EVP_PKEY *pkey); | |
944 | RSA *evp_pkey_get0_RSA_int(const EVP_PKEY *pkey); | |
945 | # endif | |
946 | ||
f2e3584d P |
947 | /* Get internal identification number routines */ |
948 | int evp_asym_cipher_get_number(const EVP_ASYM_CIPHER *cipher); | |
949 | int evp_cipher_get_number(const EVP_CIPHER *cipher); | |
950 | int evp_kdf_get_number(const EVP_KDF *kdf); | |
951 | int evp_kem_get_number(const EVP_KEM *wrap); | |
952 | int evp_keyexch_get_number(const EVP_KEYEXCH *keyexch); | |
953 | int evp_keymgmt_get_number(const EVP_KEYMGMT *keymgmt); | |
8aa3781b | 954 | int evp_keymgmt_get_legacy_alg(const EVP_KEYMGMT *keymgmt); |
f2e3584d P |
955 | int evp_mac_get_number(const EVP_MAC *mac); |
956 | int evp_md_get_number(const EVP_MD *md); | |
957 | int evp_rand_get_number(const EVP_RAND *rand); | |
7998e7dc MSP |
958 | int evp_rand_can_seed(EVP_RAND_CTX *ctx); |
959 | size_t evp_rand_get_seed(EVP_RAND_CTX *ctx, | |
960 | unsigned char **buffer, | |
961 | int entropy, size_t min_len, size_t max_len, | |
962 | int prediction_resistance, | |
963 | const unsigned char *adin, size_t adin_len); | |
964 | void evp_rand_clear_seed(EVP_RAND_CTX *ctx, | |
965 | unsigned char *buffer, size_t b_len); | |
f2e3584d P |
966 | int evp_signature_get_number(const EVP_SIGNATURE *signature); |
967 | ||
36b91a19 DDO |
968 | int evp_pkey_decrypt_alloc(EVP_PKEY_CTX *ctx, unsigned char **outp, |
969 | size_t *outlenp, size_t expected_outlen, | |
970 | const unsigned char *in, size_t inlen); | |
971 | ||
80ce21fe | 972 | #endif /* OSSL_CRYPTO_EVP_H */ |