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fips: default to running self tests when starting the fips provider
[thirdparty/openssl.git] / include / crypto / evp.h
CommitLineData
27af42f9 1/*
a28d06f3 2 * Copyright 2015-2021 The OpenSSL Project Authors. All Rights Reserved.
27af42f9 3 *
48f4ad77 4 * Licensed under the Apache License 2.0 (the "License"). You may not use
aa6bb135
RS		 5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
27af42f9
DSH		 8 */
9
80ce21fe
F		 10#ifndef OSSL_CRYPTO_EVP_H
11# define OSSL_CRYPTO_EVP_H
12# pragma once
13
14# include <openssl/evp.h>
15# include <openssl/core_dispatch.h>
16# include "internal/refcount.h"
17# include "crypto/ecx.h"
2f545ae4 18
4803717f
PY		 19/*
20 * Don't free up md_ctx->pctx in EVP_MD_CTX_reset, use the reserved flag
21 * values in evp.h
22 */
23#define EVP_MD_CTX_FLAG_KEEP_PKEY_CTX 0x0400
24
f21c9c64 25/*
6179dfc7 26 * An EVP_PKEY_CTX can have the following support states:
f21c9c64
RL		 27 *
28 * Supports legacy implementations only:
29 *
30 * engine != NULL || keytype == NULL
31 *
32 * Supports provided implementations:
33 *
34 * engine == NULL && keytype != NULL
35 */
36#define evp_pkey_ctx_is_legacy(ctx) \
37 ((ctx)->engine != NULL || (ctx)->keytype == NULL)
38#define evp_pkey_ctx_is_provided(ctx) \
39 (!evp_pkey_ctx_is_legacy(ctx))
40
27af42f9 41struct evp_pkey_ctx_st {
864b89ce
MC		 42 /* Actual operation */
43 int operation;
44
3ee348b0 45 /*
4b9e90f4
RL		 46 * Library context, property query, keytype and keymgmt associated with
47 * this context
3ee348b0 48 */
b4250010 49 OSSL_LIB_CTX *libctx;
ddfd7182 50 char *propquery;
4b9e90f4 51 const char *keytype;
c0e0984f
RL		 52 EVP_KEYMGMT *keymgmt;
53
864b89ce 54 union {
62924755
RL		 55 struct {
56 void *genctx;
57 } keymgmt;
58
864b89ce
MC		 59 struct {
60 EVP_KEYEXCH *exchange;
61 void *exchprovctx;
62 } kex;
ff64702b 63
864b89ce
MC		 64 struct {
65 EVP_SIGNATURE *signature;
66 void *sigprovctx;
67 } sig;
2c938e2e
MC		 68
69 struct {
70 EVP_ASYM_CIPHER *cipher;
71 void *ciphprovctx;
72 } ciph;
80f4fd18
SL		 73 struct {
74 EVP_KEM *kem;
75 void *kemprovctx;
76 } encap;
864b89ce 77 } op;
dfcb5d29 78
86df26b3
RL		 79 /*
80 * Cached parameters. Inits of operations that depend on these should
81 * call evp_pkey_ctx_use_delayed_data() when the operation has been set
82 * up properly.
83 */
84 struct {
85 /* Distinguishing Identifier, ISO/IEC 15946-3, FIPS 196 */
86 char *dist_id_name; /* The name used with EVP_PKEY_CTX_ctrl_str() */
87 void *dist_id; /* The distinguishing ID itself */
88 size_t dist_id_len; /* The length of the distinguishing ID */
89
90 /* Indicators of what has been set. Keep them together! */
91 unsigned int dist_id_set : 1;
92 } cached_parameters;
93
62924755
RL		 94 /* Application specific data, usually used by the callback */
95 void *app_data;
96 /* Keygen callback */
97 EVP_PKEY_gen_cb *pkey_gencb;
98 /* implementation specific keygen data */
99 int *keygen_info;
100 int keygen_info_count;
101
ff64702b
MC		 102 /* Legacy fields below */
103
50914496
RL		 104 /* EVP_PKEY identity */
105 int legacy_keytype;
27af42f9
DSH		 106 /* Method associated with this operation */
107 const EVP_PKEY_METHOD *pmeth;
108 /* Engine that implements this method or NULL if builtin */
109 ENGINE *engine;
110 /* Key: may be NULL */
111 EVP_PKEY *pkey;
112 /* Peer key for key agreement, may be NULL */
113 EVP_PKEY *peerkey;
27af42f9
DSH		 114 /* Algorithm specific data */
115 void *data;
a5ce329e
RL		 116 /* Indicator if digest_custom needs to be called */
117 unsigned int flag_call_digest_custom:1;
3786d748 118 /*
119 * Used to support taking custody of memory in the case of a provider being
120 * used with the deprecated EVP_PKEY_CTX_set_rsa_keygen_pubexp() API. This
121 * member should NOT be used for any other purpose and should be removed
122 * when said deprecated API is excised completely.
123 */
124 BIGNUM *rsa_pubexp;
27af42f9
DSH		 125} /* EVP_PKEY_CTX */ ;
126
127#define EVP_PKEY_FLAG_DYNAMIC 1
128
129struct evp_pkey_method_st {
130 int pkey_id;
131 int flags;
132 int (*init) (EVP_PKEY_CTX *ctx);
9fdcc21f 133 int (*copy) (EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src);
27af42f9
DSH		 134 void (*cleanup) (EVP_PKEY_CTX *ctx);
135 int (*paramgen_init) (EVP_PKEY_CTX *ctx);
136 int (*paramgen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
137 int (*keygen_init) (EVP_PKEY_CTX *ctx);
138 int (*keygen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
139 int (*sign_init) (EVP_PKEY_CTX *ctx);
140 int (*sign) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
141 const unsigned char *tbs, size_t tbslen);
142 int (*verify_init) (EVP_PKEY_CTX *ctx);
143 int (*verify) (EVP_PKEY_CTX *ctx,
144 const unsigned char *sig, size_t siglen,
145 const unsigned char *tbs, size_t tbslen);
146 int (*verify_recover_init) (EVP_PKEY_CTX *ctx);
147 int (*verify_recover) (EVP_PKEY_CTX *ctx,
148 unsigned char *rout, size_t *routlen,
149 const unsigned char *sig, size_t siglen);
150 int (*signctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx);
151 int (*signctx) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
152 EVP_MD_CTX *mctx);
153 int (*verifyctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx);
154 int (*verifyctx) (EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen,
155 EVP_MD_CTX *mctx);
156 int (*encrypt_init) (EVP_PKEY_CTX *ctx);
157 int (*encrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
158 const unsigned char *in, size_t inlen);
159 int (*decrypt_init) (EVP_PKEY_CTX *ctx);
160 int (*decrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
161 const unsigned char *in, size_t inlen);
162 int (*derive_init) (EVP_PKEY_CTX *ctx);
163 int (*derive) (EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
164 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, void *p2);
165 int (*ctrl_str) (EVP_PKEY_CTX *ctx, const char *type, const char *value);
f723c98e
DSH		 166 int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
167 const unsigned char *tbs, size_t tbslen);
168 int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
169 size_t siglen, const unsigned char *tbs,
170 size_t tbslen);
2aee35d3 171 int (*check) (EVP_PKEY *pkey);
b0004708
PY		 172 int (*public_check) (EVP_PKEY *pkey);
173 int (*param_check) (EVP_PKEY *pkey);
0a8fdef7
PY		 174
175 int (*digest_custom) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx);
27af42f9
DSH		 176} /* EVP_PKEY_METHOD */ ;
177
a8eba56e 178DEFINE_STACK_OF_CONST(EVP_PKEY_METHOD)
4a1f3f27 179
27af42f9 180void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx);
8f463dbd 181
19dbb742
SL		 182const EVP_PKEY_METHOD *ossl_dh_pkey_method(void);
183const EVP_PKEY_METHOD *ossl_dhx_pkey_method(void);
5af02212 184const EVP_PKEY_METHOD *ossl_dsa_pkey_method(void);
32ab57cb
SL		 185const EVP_PKEY_METHOD *ossl_ec_pkey_method(void);
186const EVP_PKEY_METHOD *ossl_ecx25519_pkey_method(void);
187const EVP_PKEY_METHOD *ossl_ecx448_pkey_method(void);
188const EVP_PKEY_METHOD *ossl_ed25519_pkey_method(void);
189const EVP_PKEY_METHOD *ossl_ed448_pkey_method(void);
23b2fc0b
P		 190const EVP_PKEY_METHOD *ossl_rsa_pkey_method(void);
191const EVP_PKEY_METHOD *ossl_rsa_pss_pkey_method(void);
2db6bf6f 192
567db2c1 193struct evp_mac_st {
e74bd290 194 OSSL_PROVIDER *prov;
f7c16d48 195 int name_id;
6c9bc258 196 char *type_name;
309a78aa 197 const char *description;
e74bd290
RL		 198
199 CRYPTO_REF_COUNT refcnt;
200 CRYPTO_RWLOCK *lock;
201
363b1e5d
DMSP		 202 OSSL_FUNC_mac_newctx_fn *newctx;
203 OSSL_FUNC_mac_dupctx_fn *dupctx;
204 OSSL_FUNC_mac_freectx_fn *freectx;
363b1e5d
DMSP		 205 OSSL_FUNC_mac_init_fn *init;
206 OSSL_FUNC_mac_update_fn *update;
207 OSSL_FUNC_mac_final_fn *final;
208 OSSL_FUNC_mac_gettable_params_fn *gettable_params;
209 OSSL_FUNC_mac_gettable_ctx_params_fn *gettable_ctx_params;
210 OSSL_FUNC_mac_settable_ctx_params_fn *settable_ctx_params;
211 OSSL_FUNC_mac_get_params_fn *get_params;
212 OSSL_FUNC_mac_get_ctx_params_fn *get_ctx_params;
213 OSSL_FUNC_mac_set_ctx_params_fn *set_ctx_params;
567db2c1
RL		 214};
215
d2ba8123 216struct evp_kdf_st {
fb9e6dd6 217 OSSL_PROVIDER *prov;
f7c16d48 218 int name_id;
6c9bc258 219 char *type_name;
309a78aa 220 const char *description;
fb9e6dd6
P		 221 CRYPTO_REF_COUNT refcnt;
222 CRYPTO_RWLOCK *lock;
223
363b1e5d
DMSP		 224 OSSL_FUNC_kdf_newctx_fn *newctx;
225 OSSL_FUNC_kdf_dupctx_fn *dupctx;
226 OSSL_FUNC_kdf_freectx_fn *freectx;
227 OSSL_FUNC_kdf_reset_fn *reset;
228 OSSL_FUNC_kdf_derive_fn *derive;
229 OSSL_FUNC_kdf_gettable_params_fn *gettable_params;
230 OSSL_FUNC_kdf_gettable_ctx_params_fn *gettable_ctx_params;
231 OSSL_FUNC_kdf_settable_ctx_params_fn *settable_ctx_params;
232 OSSL_FUNC_kdf_get_params_fn *get_params;
233 OSSL_FUNC_kdf_get_ctx_params_fn *get_ctx_params;
234 OSSL_FUNC_kdf_set_ctx_params_fn *set_ctx_params;
d2ba8123 235};
5a285add 236
f6c95e46
RS		 237#define EVP_ORIG_DYNAMIC 0
238#define EVP_ORIG_GLOBAL 1
239#define EVP_ORIG_METH 2
240
2db6bf6f 241struct evp_md_st {
3653d0c2 242 /* nid */
2db6bf6f 243 int type;
3653d0c2
MC		 244
245 /* Legacy structure members */
2db6bf6f
RL		 246 int pkey_type;
247 int md_size;
248 unsigned long flags;
f6c95e46 249 int origin;
2db6bf6f
RL		 250 int (*init) (EVP_MD_CTX *ctx);
251 int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count);
252 int (*final) (EVP_MD_CTX *ctx, unsigned char *md);
253 int (*copy) (EVP_MD_CTX *to, const EVP_MD_CTX *from);
254 int (*cleanup) (EVP_MD_CTX *ctx);
255 int block_size;
256 int ctx_size; /* how big does the ctx->md_data need to be */
257 /* control function */
258 int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
3653d0c2
MC		 259
260 /* New structure members */
946bdd12 261 /* Above comment to be removed when legacy has gone */
f7c16d48 262 int name_id;
6c9bc258 263 char *type_name;
309a78aa 264 const char *description;
3653d0c2
MC		 265 OSSL_PROVIDER *prov;
266 CRYPTO_REF_COUNT refcnt;
267 CRYPTO_RWLOCK *lock;
363b1e5d
DMSP		 268 OSSL_FUNC_digest_newctx_fn *newctx;
269 OSSL_FUNC_digest_init_fn *dinit;
270 OSSL_FUNC_digest_update_fn *dupdate;
271 OSSL_FUNC_digest_final_fn *dfinal;
272 OSSL_FUNC_digest_digest_fn *digest;
273 OSSL_FUNC_digest_freectx_fn *freectx;
274 OSSL_FUNC_digest_dupctx_fn *dupctx;
275 OSSL_FUNC_digest_get_params_fn *get_params;
276 OSSL_FUNC_digest_set_ctx_params_fn *set_ctx_params;
277 OSSL_FUNC_digest_get_ctx_params_fn *get_ctx_params;
278 OSSL_FUNC_digest_gettable_params_fn *gettable_params;
279 OSSL_FUNC_digest_settable_ctx_params_fn *settable_ctx_params;
280 OSSL_FUNC_digest_gettable_ctx_params_fn *gettable_ctx_params;
3653d0c2 281
2db6bf6f
RL		 282} /* EVP_MD */ ;
283
e79f8773
RL		 284struct evp_cipher_st {
285 int nid;
df05f2ce 286
e79f8773
RL		 287 int block_size;
288 /* Default value for variable length ciphers */
289 int key_len;
290 int iv_len;
df05f2ce
MC		 291
292 /* Legacy structure members */
e79f8773
RL		 293 /* Various flags */
294 unsigned long flags;
f6c95e46
RS		 295 /* How the EVP_CIPHER was created. */
296 int origin;
e79f8773
RL		 297 /* init key */
298 int (*init) (EVP_CIPHER_CTX *ctx, const unsigned char *key,
299 const unsigned char *iv, int enc);
300 /* encrypt/decrypt data */
301 int (*do_cipher) (EVP_CIPHER_CTX *ctx, unsigned char *out,
302 const unsigned char *in, size_t inl);
303 /* cleanup ctx */
304 int (*cleanup) (EVP_CIPHER_CTX *);
305 /* how big ctx->cipher_data needs to be */
306 int ctx_size;
307 /* Populate a ASN1_TYPE with parameters */
308 int (*set_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *);
309 /* Get parameters from a ASN1_TYPE */
310 int (*get_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *);
311 /* Miscellaneous operations */
312 int (*ctrl) (EVP_CIPHER_CTX *, int type, int arg, void *ptr);
313 /* Application data */
314 void *app_data;
df05f2ce
MC		 315
316 /* New structure members */
946bdd12 317 /* Above comment to be removed when legacy has gone */
f7c16d48 318 int name_id;
6c9bc258 319 char *type_name;
309a78aa 320 const char *description;
df05f2ce
MC		 321 OSSL_PROVIDER *prov;
322 CRYPTO_REF_COUNT refcnt;
323 CRYPTO_RWLOCK *lock;
363b1e5d
DMSP		 324 OSSL_FUNC_cipher_newctx_fn *newctx;
325 OSSL_FUNC_cipher_encrypt_init_fn *einit;
326 OSSL_FUNC_cipher_decrypt_init_fn *dinit;
327 OSSL_FUNC_cipher_update_fn *cupdate;
328 OSSL_FUNC_cipher_final_fn *cfinal;
329 OSSL_FUNC_cipher_cipher_fn *ccipher;
330 OSSL_FUNC_cipher_freectx_fn *freectx;
331 OSSL_FUNC_cipher_dupctx_fn *dupctx;
332 OSSL_FUNC_cipher_get_params_fn *get_params;
333 OSSL_FUNC_cipher_get_ctx_params_fn *get_ctx_params;
334 OSSL_FUNC_cipher_set_ctx_params_fn *set_ctx_params;
335 OSSL_FUNC_cipher_gettable_params_fn *gettable_params;
336 OSSL_FUNC_cipher_gettable_ctx_params_fn *gettable_ctx_params;
337 OSSL_FUNC_cipher_settable_ctx_params_fn *settable_ctx_params;
e79f8773
RL		 338} /* EVP_CIPHER */ ;
339
340/* Macros to code block cipher wrappers */
341
342/* Wrapper functions for each cipher mode */
343
44ab2dfd
MC		 344#define EVP_C_DATA(kstruct, ctx) \
345 ((kstruct *)EVP_CIPHER_CTX_get_cipher_data(ctx))
e79f8773
RL		 346
347#define BLOCK_CIPHER_ecb_loop() \
348 size_t i, bl; \
f6c95e46 349 bl = EVP_CIPHER_CTX_get0_cipher(ctx)->block_size; \
e8aa8b6c 350 if (inl < bl) return 1;\
e79f8773 351 inl -= bl; \
e8aa8b6c 352 for (i=0; i <= inl; i+=bl)
e79f8773
RL		 353
354#define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \
355static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
356{\
357 BLOCK_CIPHER_ecb_loop() \
358 cprefix##_ecb_encrypt(in + i, out + i, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_encrypting(ctx)); \
359 return 1;\
360}
361
362#define EVP_MAXCHUNK ((size_t)1<<(sizeof(long)*8-2))
363
364#define BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) \
365 static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
366{\
367 while(inl>=EVP_MAXCHUNK) {\
368 int num = EVP_CIPHER_CTX_num(ctx);\
2f5c405a 369 cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, &num); \
e79f8773
RL		 370 EVP_CIPHER_CTX_set_num(ctx, num);\
371 inl-=EVP_MAXCHUNK;\
372 in +=EVP_MAXCHUNK;\
373 out+=EVP_MAXCHUNK;\
374 }\
375 if (inl) {\
376 int num = EVP_CIPHER_CTX_num(ctx);\
2f5c405a 377 cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, &num); \
e79f8773
RL		 378 EVP_CIPHER_CTX_set_num(ctx, num);\
379 }\
380 return 1;\
381}
382
383#define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \
384static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
385{\
386 while(inl>=EVP_MAXCHUNK) \
387 {\
2f5c405a 388 cprefix##_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, EVP_CIPHER_CTX_encrypting(ctx));\
e79f8773
RL		 389 inl-=EVP_MAXCHUNK;\
390 in +=EVP_MAXCHUNK;\
391 out+=EVP_MAXCHUNK;\
392 }\
393 if (inl)\
2f5c405a 394 cprefix##_cbc_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, EVP_CIPHER_CTX_encrypting(ctx));\
e79f8773
RL		 395 return 1;\
396}
397
398#define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \
399static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
400{\
e8aa8b6c
F		 401 size_t chunk = EVP_MAXCHUNK;\
402 if (cbits == 1) chunk >>= 3;\
403 if (inl < chunk) chunk = inl;\
404 while (inl && inl >= chunk)\
405 {\
406 int num = EVP_CIPHER_CTX_num(ctx);\
407 cprefix##_cfb##cbits##_encrypt(in, out, (long) \
408 ((cbits == 1) \
409 && !EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS) \
604e591e 410 ? chunk*8 : chunk), \
2f5c405a 411 &EVP_C_DATA(kstruct, ctx)->ksched, ctx->iv,\
e8aa8b6c
F		 412 &num, EVP_CIPHER_CTX_encrypting(ctx));\
413 EVP_CIPHER_CTX_set_num(ctx, num);\
414 inl -= chunk;\
415 in += chunk;\
416 out += chunk;\
417 if (inl < chunk) chunk = inl;\
418 }\
419 return 1;\
e79f8773
RL		 420}
421
422#define BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \
423 BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \
424 BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \
425 BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \
426 BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched)
427
428#define BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, \
429 key_len, iv_len, flags, init_key, cleanup, \
430 set_asn1, get_asn1, ctrl) \
431static const EVP_CIPHER cname##_##mode = { \
432 nid##_##nmode, block_size, key_len, iv_len, \
433 flags | EVP_CIPH_##MODE##_MODE, \
f6c95e46 434 EVP_ORIG_GLOBAL, \
e79f8773
RL		 435 init_key, \
436 cname##_##mode##_cipher, \
437 cleanup, \
438 sizeof(kstruct), \
439 set_asn1, get_asn1,\
440 ctrl, \
441 NULL \
442}; \
443const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; }
444
445#define BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, \
446 iv_len, flags, init_key, cleanup, set_asn1, \
447 get_asn1, ctrl) \
448BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \
449 iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
450
451#define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, \
452 iv_len, cbits, flags, init_key, cleanup, \
453 set_asn1, get_asn1, ctrl) \
454BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \
455 key_len, iv_len, flags, init_key, cleanup, set_asn1, \
456 get_asn1, ctrl)
457
458#define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \
459 iv_len, cbits, flags, init_key, cleanup, \
460 set_asn1, get_asn1, ctrl) \
461BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \
462 key_len, iv_len, flags, init_key, cleanup, set_asn1, \
463 get_asn1, ctrl)
464
465#define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, \
466 flags, init_key, cleanup, set_asn1, \
467 get_asn1, ctrl) \
468BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \
469 0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
470
471#define BLOCK_CIPHER_defs(cname, kstruct, \
472 nid, block_size, key_len, iv_len, cbits, flags, \
473 init_key, cleanup, set_asn1, get_asn1, ctrl) \
474BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \
475 init_key, cleanup, set_asn1, get_asn1, ctrl) \
476BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \
477 flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
478BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \
479 flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
480BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \
481 init_key, cleanup, set_asn1, get_asn1, ctrl)
482
483/*-
484#define BLOCK_CIPHER_defs(cname, kstruct, \
485 nid, block_size, key_len, iv_len, flags,\
486 init_key, cleanup, set_asn1, get_asn1, ctrl)\
487static const EVP_CIPHER cname##_cbc = {\
488 nid##_cbc, block_size, key_len, iv_len, \
489 flags | EVP_CIPH_CBC_MODE,\
f6c95e46 490 EVP_ORIG_GLOBAL,\
e79f8773
RL		 491 init_key,\
492 cname##_cbc_cipher,\
493 cleanup,\
494 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
495 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
496 set_asn1, get_asn1,\
497 ctrl, \
498 NULL \
499};\
500const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\
501static const EVP_CIPHER cname##_cfb = {\
502 nid##_cfb64, 1, key_len, iv_len, \
503 flags | EVP_CIPH_CFB_MODE,\
f6c95e46 504 EVP_ORIG_GLOBAL,\
e79f8773
RL		 505 init_key,\
506 cname##_cfb_cipher,\
507 cleanup,\
508 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
509 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
510 set_asn1, get_asn1,\
511 ctrl,\
512 NULL \
513};\
514const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\
515static const EVP_CIPHER cname##_ofb = {\
516 nid##_ofb64, 1, key_len, iv_len, \
517 flags | EVP_CIPH_OFB_MODE,\
f6c95e46 518 EVP_ORIG_GLOBAL,\
e79f8773
RL		 519 init_key,\
520 cname##_ofb_cipher,\
521 cleanup,\
522 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
523 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
524 set_asn1, get_asn1,\
525 ctrl,\
526 NULL \
527};\
528const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\
529static const EVP_CIPHER cname##_ecb = {\
530 nid##_ecb, block_size, key_len, iv_len, \
531 flags | EVP_CIPH_ECB_MODE,\
f6c95e46 532 EVP_ORIG_GLOBAL,\
e79f8773
RL		 533 init_key,\
534 cname##_ecb_cipher,\
535 cleanup,\
536 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
537 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
538 set_asn1, get_asn1,\
539 ctrl,\
540 NULL \
541};\
542const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; }
543*/
544
545#define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \
546 block_size, key_len, iv_len, cbits, \
547 flags, init_key, \
548 cleanup, set_asn1, get_asn1, ctrl) \
549 BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \
550 BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \
551 cbits, flags, init_key, cleanup, set_asn1, \
552 get_asn1, ctrl)
553
554#define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len,fl) \
555 BLOCK_CIPHER_func_cfb(cipher##_##keysize,cprefix,cbits,kstruct,ksched) \
556 BLOCK_CIPHER_def_cfb(cipher##_##keysize,kstruct, \
557 NID_##cipher##_##keysize, keysize/8, iv_len, cbits, \
558 (fl)|EVP_CIPH_FLAG_DEFAULT_ASN1, \
559 cipher##_init_key, NULL, NULL, NULL, NULL)
560
924663c3
JZ		 561typedef struct {
562 unsigned char iv[EVP_MAX_IV_LENGTH];
563 unsigned int iv_len;
564 unsigned int tag_len;
565} evp_cipher_aead_asn1_params;
566
567int evp_cipher_param_to_asn1_ex(EVP_CIPHER_CTX *c, ASN1_TYPE *type,
568 evp_cipher_aead_asn1_params *params);
569
570int evp_cipher_asn1_to_param_ex(EVP_CIPHER_CTX *c, ASN1_TYPE *type,
571 evp_cipher_aead_asn1_params *params);
572
64954e2f
P		 573/*
574 * To support transparent execution of operation in backends other
575 * than the "origin" key, we support transparent export/import to
576 * those providers, and maintain a cache of the imported keydata,
577 * so we don't need to redo the export/import every time we perform
578 * the same operation in that same provider.
579 * This requires that the "origin" backend (whether it's a legacy or a
580 * provider "origin") implements exports, and that the target provider
581 * has an EVP_KEYMGMT that implements import.
582 */
583typedef struct {
584 EVP_KEYMGMT *keymgmt;
585 void *keydata;
586} OP_CACHE_ELEM;
587
588DEFINE_STACK_OF(OP_CACHE_ELEM)
589
3aeb9348 590/*
adc9f731
RL		 591 * An EVP_PKEY can have the following states:
592 *
593 * untyped & empty:
594 *
595 * type == EVP_PKEY_NONE && keymgmt == NULL
596 *
597 * typed & empty:
598 *
599 * (type != EVP_PKEY_NONE && pkey.ptr == NULL) ## legacy (libcrypto only)
600 * || (keymgmt != NULL && keydata == NULL) ## provider side
601 *
602 * fully assigned:
603 *
604 * (type != EVP_PKEY_NONE && pkey.ptr != NULL) ## legacy (libcrypto only)
605 * || (keymgmt != NULL && keydata != NULL) ## provider side
606 *
5e5bc836
RL		 607 * The easiest way to detect a legacy key is:
608 *
609 * keymgmt == NULL && type != EVP_PKEY_NONE
610 *
611 * The easiest way to detect a provider side key is:
612 *
613 * keymgmt != NULL
3aeb9348 614 */
5e5bc836
RL		 615#define evp_pkey_is_blank(pk) \
616 ((pk)->type == EVP_PKEY_NONE && (pk)->keymgmt == NULL)
617#define evp_pkey_is_typed(pk) \
618 ((pk)->type != EVP_PKEY_NONE || (pk)->keymgmt != NULL)
4d4928ed
RL		 619#ifndef FIPS_MODULE
620# define evp_pkey_is_assigned(pk) \
5e5bc836 621 ((pk)->pkey.ptr != NULL || (pk)->keydata != NULL)
4d4928ed
RL		 622#else
623# define evp_pkey_is_assigned(pk) \
624 ((pk)->keydata != NULL)
625#endif
5e5bc836
RL		 626#define evp_pkey_is_legacy(pk) \
627 ((pk)->type != EVP_PKEY_NONE && (pk)->keymgmt == NULL)
628#define evp_pkey_is_provided(pk) \
629 ((pk)->keymgmt != NULL)
630
b574c6a9
MC		 631union legacy_pkey_st {
632 void *ptr;
633 struct rsa_st *rsa; /* RSA */
634# ifndef OPENSSL_NO_DSA
635 struct dsa_st *dsa; /* DSA */
636# endif
637# ifndef OPENSSL_NO_DH
638 struct dh_st *dh; /* DH */
639# endif
640# ifndef OPENSSL_NO_EC
641 struct ec_key_st *ec; /* ECC */
642 ECX_KEY *ecx; /* X25519, X448, Ed25519, Ed448 */
643# endif
644};
645
3aeb9348 646struct evp_pkey_st {
a94a3e0d 647 /* == Legacy attributes == */
3aeb9348
DSH		 648 int type;
649 int save_type;
3c6ed955 650
f844f9eb 651# ifndef FIPS_MODULE
3c6ed955
RL		 652 /*
653 * Legacy key "origin" is composed of a pointer to an EVP_PKEY_ASN1_METHOD,
654 * a pointer to a low level key and possibly a pointer to an engine.
655 */
3aeb9348
DSH		 656 const EVP_PKEY_ASN1_METHOD *ameth;
657 ENGINE *engine;
d19b01ad 658 ENGINE *pmeth_engine; /* If not NULL public key ENGINE to use */
b574c6a9
MC		 659
660 /* Union to store the reference to an origin legacy key */
661 union legacy_pkey_st pkey;
662
663 /* Union to store the reference to a non-origin legacy key */
664 union legacy_pkey_st legacy_cache_pkey;
adc9f731 665# endif
a94a3e0d
RL		 666
667 /* == Common attributes == */
668 CRYPTO_REF_COUNT references;
03273d61 669 CRYPTO_RWLOCK *lock;
b247113c 670#ifndef FIPS_MODULE
a94a3e0d
RL		 671 STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
672 int save_parameters;
b247113c 673 int foreign:1; /* the low-level key is using an engine or an app-method */
ff1f7cde
AT		 674 CRYPTO_EX_DATA ex_data;
675#endif
a94a3e0d
RL		 676
677 /* == Provider attributes == */
3c6ed955
RL		 678
679 /*
680 * Provider keydata "origin" is composed of a pointer to an EVP_KEYMGMT
681 * and a pointer to the provider side key data. This is never used at
682 * the same time as the legacy key data above.
683 */
684 EVP_KEYMGMT *keymgmt;
685 void *keydata;
686 /*
687 * If any libcrypto code does anything that may modify the keydata
688 * contents, this dirty counter must be incremented.
689 */
690 size_t dirty_cnt;
691
a94a3e0d 692 /*
3c6ed955
RL		 693 * To support transparent execution of operation in backends other
694 * than the "origin" key, we support transparent export/import to
695 * those providers, and maintain a cache of the imported keydata,
696 * so we don't need to redo the export/import every time we perform
697 * the same operation in that same provider.
a94a3e0d 698 */
64954e2f
P		 699 STACK_OF(OP_CACHE_ELEM) *operation_cache;
700
70a1f7b4 701 /*
3c6ed955
RL		 702 * We keep a copy of that "origin"'s dirty count, so we know if the
703 * operation cache needs flushing.
70a1f7b4
RL		 704 */
705 size_t dirty_cnt_copy;
6508e858 706
b305452f 707 /* Cache of key object information */
6508e858
RL		 708 struct {
709 int bits;
710 int security_bits;
711 int size;
712 } cache;
3aeb9348 713} /* EVP_PKEY */ ;
7b9f8f7f 714
864b89ce
MC		 715#define EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) \
716 ((ctx)->operation == EVP_PKEY_OP_SIGN \
717 || (ctx)->operation == EVP_PKEY_OP_SIGNCTX \
718 || (ctx)->operation == EVP_PKEY_OP_VERIFY \
719 || (ctx)->operation == EVP_PKEY_OP_VERIFYCTX \
720 || (ctx)->operation == EVP_PKEY_OP_VERIFYRECOVER)
721
722#define EVP_PKEY_CTX_IS_DERIVE_OP(ctx) \
723 ((ctx)->operation == EVP_PKEY_OP_DERIVE)
7b9f8f7f 724
2c938e2e
MC		 725#define EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) \
726 ((ctx)->operation == EVP_PKEY_OP_ENCRYPT \
727 || (ctx)->operation == EVP_PKEY_OP_DECRYPT)
728
62924755
RL		 729#define EVP_PKEY_CTX_IS_GEN_OP(ctx) \
730 ((ctx)->operation == EVP_PKEY_OP_PARAMGEN \
731 || (ctx)->operation == EVP_PKEY_OP_KEYGEN)
732
9a1c4e41
RL		 733#define EVP_PKEY_CTX_IS_FROMDATA_OP(ctx) \
734 ((ctx)->operation == EVP_PKEY_OP_FROMDATA)
735
80f4fd18
SL		 736#define EVP_PKEY_CTX_IS_KEM_OP(ctx) \
737 ((ctx)->operation == EVP_PKEY_OP_ENCAPSULATE \
738 || (ctx)->operation == EVP_PKEY_OP_DECAPSULATE)
739
b3599dbb
MC		 740void openssl_add_all_ciphers_int(void);
741void openssl_add_all_digests_int(void);
742void evp_cleanup_int(void);
0822e89a 743void evp_app_cleanup_int(void);
b4250010 744void *evp_pkey_export_to_provider(EVP_PKEY *pk, OSSL_LIB_CTX *libctx,
3c6ed955
RL		 745 EVP_KEYMGMT **keymgmt,
746 const char *propquery);
f844f9eb 747#ifndef FIPS_MODULE
4ce1025a 748int evp_pkey_copy_downgraded(EVP_PKEY **dest, const EVP_PKEY *src);
b574c6a9 749void *evp_pkey_get_legacy(EVP_PKEY *pk);
62924755 750void evp_pkey_free_legacy(EVP_PKEY *x);
4f0831b8
TM		 751EVP_PKEY *evp_pkcs82pkey_legacy(const PKCS8_PRIV_KEY_INFO *p8inf,
752 OSSL_LIB_CTX *libctx, const char *propq);
62924755 753#endif
9d6fcd42 754
68552cde
RL		 755/*
756 * KEYMGMT utility functions
757 */
af836c22
RL		 758
759/*
760 * Key import structure and helper function, to be used as an export callback
761 */
762struct evp_keymgmt_util_try_import_data_st {
763 EVP_KEYMGMT *keymgmt;
764 void *keydata;
765
766 int selection;
767};
768int evp_keymgmt_util_try_import(const OSSL_PARAM params[], void *arg);
769int evp_keymgmt_util_assign_pkey(EVP_PKEY *pkey, EVP_KEYMGMT *keymgmt,
770 void *keydata);
771EVP_PKEY *evp_keymgmt_util_make_pkey(EVP_KEYMGMT *keymgmt, void *keydata);
772
655f73ce
RL		 773int evp_keymgmt_util_export(const EVP_PKEY *pk, int selection,
774 OSSL_CALLBACK *export_cb, void *export_cbarg);
b305452f 775void *evp_keymgmt_util_export_to_provider(EVP_PKEY *pk, EVP_KEYMGMT *keymgmt);
64954e2f
P		 776OP_CACHE_ELEM *evp_keymgmt_util_find_operation_cache(EVP_PKEY *pk,
777 EVP_KEYMGMT *keymgmt);
0b07db6f 778int evp_keymgmt_util_clear_operation_cache(EVP_PKEY *pk, int locking);
64954e2f 779int evp_keymgmt_util_cache_keydata(EVP_PKEY *pk,
3c6ed955
RL		 780 EVP_KEYMGMT *keymgmt, void *keydata);
781void evp_keymgmt_util_cache_keyinfo(EVP_PKEY *pk);
68552cde 782void *evp_keymgmt_util_fromdata(EVP_PKEY *target, EVP_KEYMGMT *keymgmt,
b305452f 783 int selection, const OSSL_PARAM params[]);
157ded39 784int evp_keymgmt_util_has(EVP_PKEY *pk, int selection);
1e9101c4 785int evp_keymgmt_util_match(EVP_PKEY *pk1, EVP_PKEY *pk2, int selection);
ff3b59e1 786int evp_keymgmt_util_copy(EVP_PKEY *to, EVP_PKEY *from, int selection);
62924755
RL		 787void *evp_keymgmt_util_gen(EVP_PKEY *target, EVP_KEYMGMT *keymgmt,
788 void *genctx, OSSL_CALLBACK *cb, void *cbarg);
3b924da0
RL		 789int evp_keymgmt_util_get_deflt_digest_name(EVP_KEYMGMT *keymgmt,
790 void *keydata,
791 char *mdname, size_t mdname_sz);
70a1f7b4 792
68552cde
RL		 793/*
794 * KEYMGMT provider interface functions
795 */
b305452f
RL		 796void *evp_keymgmt_newdata(const EVP_KEYMGMT *keymgmt);
797void evp_keymgmt_freedata(const EVP_KEYMGMT *keymgmt, void *keyddata);
798int evp_keymgmt_get_params(const EVP_KEYMGMT *keymgmt,
799 void *keydata, OSSL_PARAM params[]);
4fe54d67
NT		 800int evp_keymgmt_set_params(const EVP_KEYMGMT *keymgmt,
801 void *keydata, const OSSL_PARAM params[]);
1be63b3e
P		 802void *evp_keymgmt_gen_init(const EVP_KEYMGMT *keymgmt, int selection,
803 const OSSL_PARAM params[]);
1a5632e0
RL		 804int evp_keymgmt_gen_set_template(const EVP_KEYMGMT *keymgmt, void *genctx,
805 void *template);
806int evp_keymgmt_gen_set_params(const EVP_KEYMGMT *keymgmt, void *genctx,
807 const OSSL_PARAM params[]);
1a5632e0
RL		 808void *evp_keymgmt_gen(const EVP_KEYMGMT *keymgmt, void *genctx,
809 OSSL_CALLBACK *cb, void *cbarg);
810void evp_keymgmt_gen_cleanup(const EVP_KEYMGMT *keymgmt, void *genctx);
b305452f 811
5dacb38c
RL		 812void *evp_keymgmt_load(const EVP_KEYMGMT *keymgmt,
813 const void *objref, size_t objref_sz);
814
b305452f
RL		 815int evp_keymgmt_has(const EVP_KEYMGMT *keymgmt, void *keyddata, int selection);
816int evp_keymgmt_validate(const EVP_KEYMGMT *keymgmt, void *keydata,
899e2564 817 int selection, int checktype);
bee5d6cd
RL		 818int evp_keymgmt_match(const EVP_KEYMGMT *keymgmt,
819 const void *keydata1, const void *keydata2,
820 int selection);
b305452f
RL		 821
822int evp_keymgmt_import(const EVP_KEYMGMT *keymgmt, void *keydata,
823 int selection, const OSSL_PARAM params[]);
824const OSSL_PARAM *evp_keymgmt_import_types(const EVP_KEYMGMT *keymgmt,
825 int selection);
826int evp_keymgmt_export(const EVP_KEYMGMT *keymgmt, void *keydata,
827 int selection, OSSL_CALLBACK *param_cb, void *cbarg);
828const OSSL_PARAM *evp_keymgmt_export_types(const EVP_KEYMGMT *keymgmt,
829 int selection);
4a9fe33c 830void *evp_keymgmt_dup(const EVP_KEYMGMT *keymgmt,
b4f447c0 831 const void *keydata_from, int selection);
12603de6 832
46f4e1be 833/* Pulling defines out of C source files */
9d6fcd42 834
80ce21fe
F		 835# define EVP_RC4_KEY_SIZE 16
836# ifndef TLS1_1_VERSION
837# define TLS1_1_VERSION 0x0302
838# endif
c0804614
MC		 839
840void evp_encode_ctx_set_flags(EVP_ENCODE_CTX *ctx, unsigned int flags);
841
842/* EVP_ENCODE_CTX flags */
3fd59700
MC		 843/* Don't generate new lines when encoding */
844#define EVP_ENCODE_CTX_NO_NEWLINES 1
845/* Use the SRP base64 alphabet instead of the standard one */
846#define EVP_ENCODE_CTX_USE_SRP_ALPHABET 2
7606bed9 847
b4250010
DMSP		 848const EVP_CIPHER *evp_get_cipherbyname_ex(OSSL_LIB_CTX *libctx,
849 const char *name);
850const EVP_MD *evp_get_digestbyname_ex(OSSL_LIB_CTX *libctx,
851 const char *name);
e683582b 852
4e17fb00
SL		 853int ossl_pkcs5_pbkdf2_hmac_ex(const char *pass, int passlen,
854 const unsigned char *salt, int saltlen, int iter,
855 const EVP_MD *digest, int keylen,
856 unsigned char *out,
857 OSSL_LIB_CTX *libctx, const char *propq);
5ccada09 858
80ce21fe 859# ifndef FIPS_MODULE
4fe54d67
NT		 860/*
861 * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params().
862 *
863 * Return 1 on success, 0 or negative for errors.
864 *
865 * In particular they return -2 if any of the params is not supported.
866 *
f844f9eb 867 * They are not available in FIPS_MODULE as they depend on
4fe54d67
NT		 868 * - EVP_PKEY_CTX_{get,set}_params()
869 * - EVP_PKEY_CTX_{gettable,settable}_params()
870 *
871 */
872int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params);
873int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params);
472a88b7 874
d8652be0 875EVP_MD_CTX *evp_md_ctx_new_ex(EVP_PKEY *pkey, const ASN1_OCTET_STRING *id,
b4250010 876 OSSL_LIB_CTX *libctx, const char *propq);
50914496 877int evp_pkey_name2type(const char *name);
977e95b9 878const char *evp_pkey_type2name(int type);
86df26b3
RL		 879
880int evp_pkey_ctx_set1_id_prov(EVP_PKEY_CTX *ctx, const void *id, int len);
881int evp_pkey_ctx_get1_id_prov(EVP_PKEY_CTX *ctx, void *id);
882int evp_pkey_ctx_get1_id_len_prov(EVP_PKEY_CTX *ctx, size_t *id_len);
883
884int evp_pkey_ctx_use_cached_data(EVP_PKEY_CTX *ctx);
80ce21fe
F		 885# endif /* !defined(FIPS_MODULE) */
886
860ecfd7 887int evp_method_store_flush(OSSL_LIB_CTX *libctx);
b4250010 888int evp_set_default_properties_int(OSSL_LIB_CTX *libctx, const char *propq,
447588b6
MC		 889 int loadconfig, int mirrored);
890char *evp_get_global_properties_str(OSSL_LIB_CTX *libctx, int loadconfig);
3101ab60
MC		 891
892void evp_md_ctx_clear_digest(EVP_MD_CTX *ctx, int force);
80ce21fe 893
e19246dc
RL		 894/* Three possible states: */
895# define EVP_PKEY_STATE_UNKNOWN 0
896# define EVP_PKEY_STATE_LEGACY 1
897# define EVP_PKEY_STATE_PROVIDER 2
898int evp_pkey_ctx_state(const EVP_PKEY_CTX *ctx);
899
9a1c4e41
RL		 900/* These two must ONLY be called for provider side operations */
901int evp_pkey_ctx_ctrl_to_param(EVP_PKEY_CTX *ctx,
902 int keytype, int optype,
903 int cmd, int p1, void *p2);
904int evp_pkey_ctx_ctrl_str_to_param(EVP_PKEY_CTX *ctx,
905 const char *name, const char *value);
906
907/* These two must ONLY be called for legacy operations */
56784203 908int evp_pkey_ctx_set_params_to_ctrl(EVP_PKEY_CTX *ctx, const OSSL_PARAM *params);
9a1c4e41
RL		 909int evp_pkey_ctx_get_params_to_ctrl(EVP_PKEY_CTX *ctx, OSSL_PARAM *params);
910
911/* This must ONLY be called for legacy EVP_PKEYs */
912int evp_pkey_get_params_to_ctrl(const EVP_PKEY *pkey, OSSL_PARAM *params);
913
7bc0fdd3
MC		 914/* Same as the public get0 functions but are not const */
915# ifndef OPENSSL_NO_DEPRECATED_3_0
916DH *evp_pkey_get0_DH_int(const EVP_PKEY *pkey);
917EC_KEY *evp_pkey_get0_EC_KEY_int(const EVP_PKEY *pkey);
918RSA *evp_pkey_get0_RSA_int(const EVP_PKEY *pkey);
919# endif
920
80ce21fe 921#endif /* OSSL_CRYPTO_EVP_H */
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