2 * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
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
10 #include <openssl/evp.h>
11 #include <openssl/core_numbers.h>
12 #include "internal/refcount.h"
15 * Don't free up md_ctx->pctx in EVP_MD_CTX_reset, use the reserved flag
18 #define EVP_MD_CTX_FLAG_KEEP_PKEY_CTX 0x0400
20 struct evp_pkey_ctx_st {
21 /* Actual operation */
24 /* Algorithm name and properties associated with this context */
25 const char *algorithm;
26 const char *propquery;
30 EVP_KEYEXCH *exchange;
35 EVP_SIGNATURE *signature;
40 /* Legacy fields below */
42 /* Method associated with this operation */
43 const EVP_PKEY_METHOD *pmeth;
44 /* Engine that implements this method or NULL if builtin */
46 /* Key: may be NULL */
48 /* Peer key for key agreement, may be NULL */
50 /* Algorithm specific data */
52 /* Application specific data */
55 EVP_PKEY_gen_cb *pkey_gencb;
56 /* implementation specific keygen data */
58 int keygen_info_count;
59 } /* EVP_PKEY_CTX */ ;
61 #define EVP_PKEY_FLAG_DYNAMIC 1
63 struct evp_pkey_method_st {
66 int (*init) (EVP_PKEY_CTX *ctx);
67 int (*copy) (EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src);
68 void (*cleanup) (EVP_PKEY_CTX *ctx);
69 int (*paramgen_init) (EVP_PKEY_CTX *ctx);
70 int (*paramgen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
71 int (*keygen_init) (EVP_PKEY_CTX *ctx);
72 int (*keygen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
73 int (*sign_init) (EVP_PKEY_CTX *ctx);
74 int (*sign) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
75 const unsigned char *tbs, size_t tbslen);
76 int (*verify_init) (EVP_PKEY_CTX *ctx);
77 int (*verify) (EVP_PKEY_CTX *ctx,
78 const unsigned char *sig, size_t siglen,
79 const unsigned char *tbs, size_t tbslen);
80 int (*verify_recover_init) (EVP_PKEY_CTX *ctx);
81 int (*verify_recover) (EVP_PKEY_CTX *ctx,
82 unsigned char *rout, size_t *routlen,
83 const unsigned char *sig, size_t siglen);
84 int (*signctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx);
85 int (*signctx) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
87 int (*verifyctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx);
88 int (*verifyctx) (EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen,
90 int (*encrypt_init) (EVP_PKEY_CTX *ctx);
91 int (*encrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
92 const unsigned char *in, size_t inlen);
93 int (*decrypt_init) (EVP_PKEY_CTX *ctx);
94 int (*decrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
95 const unsigned char *in, size_t inlen);
96 int (*derive_init) (EVP_PKEY_CTX *ctx);
97 int (*derive) (EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
98 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, void *p2);
99 int (*ctrl_str) (EVP_PKEY_CTX *ctx, const char *type, const char *value);
100 int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
101 const unsigned char *tbs, size_t tbslen);
102 int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
103 size_t siglen, const unsigned char *tbs,
105 int (*check) (EVP_PKEY *pkey);
106 int (*public_check) (EVP_PKEY *pkey);
107 int (*param_check) (EVP_PKEY *pkey);
109 int (*digest_custom) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx);
110 } /* EVP_PKEY_METHOD */ ;
112 DEFINE_STACK_OF_CONST(EVP_PKEY_METHOD)
114 void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx);
116 const EVP_PKEY_METHOD *cmac_pkey_method(void);
117 const EVP_PKEY_METHOD *dh_pkey_method(void);
118 const EVP_PKEY_METHOD *dhx_pkey_method(void);
119 const EVP_PKEY_METHOD *dsa_pkey_method(void);
120 const EVP_PKEY_METHOD *ec_pkey_method(void);
121 const EVP_PKEY_METHOD *sm2_pkey_method(void);
122 const EVP_PKEY_METHOD *ecx25519_pkey_method(void);
123 const EVP_PKEY_METHOD *ecx448_pkey_method(void);
124 const EVP_PKEY_METHOD *ed25519_pkey_method(void);
125 const EVP_PKEY_METHOD *ed448_pkey_method(void);
126 const EVP_PKEY_METHOD *hmac_pkey_method(void);
127 const EVP_PKEY_METHOD *rsa_pkey_method(void);
128 const EVP_PKEY_METHOD *rsa_pss_pkey_method(void);
129 const EVP_PKEY_METHOD *scrypt_pkey_method(void);
130 const EVP_PKEY_METHOD *tls1_prf_pkey_method(void);
131 const EVP_PKEY_METHOD *hkdf_pkey_method(void);
132 const EVP_PKEY_METHOD *poly1305_pkey_method(void);
133 const EVP_PKEY_METHOD *siphash_pkey_method(void);
139 CRYPTO_REF_COUNT refcnt;
142 OSSL_OP_mac_newctx_fn *newctx;
143 OSSL_OP_mac_dupctx_fn *dupctx;
144 OSSL_OP_mac_freectx_fn *freectx;
145 OSSL_OP_mac_size_fn *size;
146 OSSL_OP_mac_init_fn *init;
147 OSSL_OP_mac_update_fn *update;
148 OSSL_OP_mac_final_fn *final;
149 OSSL_OP_mac_gettable_params_fn *gettable_params;
150 OSSL_OP_mac_gettable_ctx_params_fn *gettable_ctx_params;
151 OSSL_OP_mac_settable_ctx_params_fn *settable_ctx_params;
152 OSSL_OP_mac_get_params_fn *get_params;
153 OSSL_OP_mac_get_ctx_params_fn *get_ctx_params;
154 OSSL_OP_mac_set_ctx_params_fn *set_ctx_params;
160 CRYPTO_REF_COUNT refcnt;
163 OSSL_OP_kdf_newctx_fn *newctx;
164 OSSL_OP_kdf_dupctx_fn *dupctx;
165 OSSL_OP_kdf_freectx_fn *freectx;
166 OSSL_OP_kdf_reset_fn *reset;
167 OSSL_OP_kdf_derive_fn *derive;
168 OSSL_OP_kdf_gettable_params_fn *gettable_params;
169 OSSL_OP_kdf_gettable_ctx_params_fn *gettable_ctx_params;
170 OSSL_OP_kdf_settable_ctx_params_fn *settable_ctx_params;
171 OSSL_OP_kdf_get_params_fn *get_params;
172 OSSL_OP_kdf_get_ctx_params_fn *get_ctx_params;
173 OSSL_OP_kdf_set_ctx_params_fn *set_ctx_params;
180 /* Legacy structure members */
181 /* TODO(3.0): Remove these */
185 int (*init) (EVP_MD_CTX *ctx);
186 int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count);
187 int (*final) (EVP_MD_CTX *ctx, unsigned char *md);
188 int (*copy) (EVP_MD_CTX *to, const EVP_MD_CTX *from);
189 int (*cleanup) (EVP_MD_CTX *ctx);
191 int ctx_size; /* how big does the ctx->md_data need to be */
192 /* control function */
193 int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
195 /* New structure members */
196 /* TODO(3.0): Remove above comment when legacy has gone */
199 CRYPTO_REF_COUNT refcnt;
201 OSSL_OP_digest_newctx_fn *newctx;
202 OSSL_OP_digest_init_fn *dinit;
203 OSSL_OP_digest_update_fn *dupdate;
204 OSSL_OP_digest_final_fn *dfinal;
205 OSSL_OP_digest_digest_fn *digest;
206 OSSL_OP_digest_freectx_fn *freectx;
207 OSSL_OP_digest_dupctx_fn *dupctx;
208 OSSL_OP_digest_get_params_fn *get_params;
209 OSSL_OP_digest_set_ctx_params_fn *set_ctx_params;
210 OSSL_OP_digest_get_ctx_params_fn *get_ctx_params;
211 OSSL_OP_digest_gettable_params_fn *gettable_params;
212 OSSL_OP_digest_settable_ctx_params_fn *settable_ctx_params;
213 OSSL_OP_digest_gettable_ctx_params_fn *gettable_ctx_params;
217 struct evp_cipher_st {
221 /* Default value for variable length ciphers */
225 /* Legacy structure members */
226 /* TODO(3.0): Remove these */
230 int (*init) (EVP_CIPHER_CTX *ctx, const unsigned char *key,
231 const unsigned char *iv, int enc);
232 /* encrypt/decrypt data */
233 int (*do_cipher) (EVP_CIPHER_CTX *ctx, unsigned char *out,
234 const unsigned char *in, size_t inl);
236 int (*cleanup) (EVP_CIPHER_CTX *);
237 /* how big ctx->cipher_data needs to be */
239 /* Populate a ASN1_TYPE with parameters */
240 int (*set_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *);
241 /* Get parameters from a ASN1_TYPE */
242 int (*get_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *);
243 /* Miscellaneous operations */
244 int (*ctrl) (EVP_CIPHER_CTX *, int type, int arg, void *ptr);
245 /* Application data */
248 /* New structure members */
249 /* TODO(3.0): Remove above comment when legacy has gone */
252 CRYPTO_REF_COUNT refcnt;
254 OSSL_OP_cipher_newctx_fn *newctx;
255 OSSL_OP_cipher_encrypt_init_fn *einit;
256 OSSL_OP_cipher_decrypt_init_fn *dinit;
257 OSSL_OP_cipher_update_fn *cupdate;
258 OSSL_OP_cipher_final_fn *cfinal;
259 OSSL_OP_cipher_cipher_fn *ccipher;
260 OSSL_OP_cipher_freectx_fn *freectx;
261 OSSL_OP_cipher_dupctx_fn *dupctx;
262 OSSL_OP_cipher_get_params_fn *get_params;
263 OSSL_OP_cipher_get_ctx_params_fn *get_ctx_params;
264 OSSL_OP_cipher_set_ctx_params_fn *set_ctx_params;
265 OSSL_OP_cipher_gettable_params_fn *gettable_params;
266 OSSL_OP_cipher_gettable_ctx_params_fn *gettable_ctx_params;
267 OSSL_OP_cipher_settable_ctx_params_fn *settable_ctx_params;
270 /* Macros to code block cipher wrappers */
272 /* Wrapper functions for each cipher mode */
274 #define EVP_C_DATA(kstruct, ctx) \
275 ((kstruct *)EVP_CIPHER_CTX_get_cipher_data(ctx))
277 #define BLOCK_CIPHER_ecb_loop() \
279 bl = EVP_CIPHER_CTX_cipher(ctx)->block_size; \
280 if (inl < bl) return 1;\
282 for (i=0; i <= inl; i+=bl)
284 #define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \
285 static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
287 BLOCK_CIPHER_ecb_loop() \
288 cprefix##_ecb_encrypt(in + i, out + i, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_encrypting(ctx)); \
292 #define EVP_MAXCHUNK ((size_t)1<<(sizeof(long)*8-2))
294 #define BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) \
295 static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
297 while(inl>=EVP_MAXCHUNK) {\
298 int num = EVP_CIPHER_CTX_num(ctx);\
299 cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), &num); \
300 EVP_CIPHER_CTX_set_num(ctx, num);\
306 int num = EVP_CIPHER_CTX_num(ctx);\
307 cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), &num); \
308 EVP_CIPHER_CTX_set_num(ctx, num);\
313 #define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \
314 static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
316 while(inl>=EVP_MAXCHUNK) \
318 cprefix##_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), EVP_CIPHER_CTX_encrypting(ctx));\
324 cprefix##_cbc_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), EVP_CIPHER_CTX_encrypting(ctx));\
328 #define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \
329 static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
331 size_t chunk = EVP_MAXCHUNK;\
332 if (cbits == 1) chunk >>= 3;\
333 if (inl < chunk) chunk = inl;\
334 while (inl && inl >= chunk)\
336 int num = EVP_CIPHER_CTX_num(ctx);\
337 cprefix##_cfb##cbits##_encrypt(in, out, (long) \
339 && !EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS) \
340 ? chunk*8 : chunk), \
341 &EVP_C_DATA(kstruct, ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx),\
342 &num, EVP_CIPHER_CTX_encrypting(ctx));\
343 EVP_CIPHER_CTX_set_num(ctx, num);\
347 if (inl < chunk) chunk = inl;\
352 #define BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \
353 BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \
354 BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \
355 BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \
356 BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched)
358 #define BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, \
359 key_len, iv_len, flags, init_key, cleanup, \
360 set_asn1, get_asn1, ctrl) \
361 static const EVP_CIPHER cname##_##mode = { \
362 nid##_##nmode, block_size, key_len, iv_len, \
363 flags | EVP_CIPH_##MODE##_MODE, \
365 cname##_##mode##_cipher, \
372 const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; }
374 #define BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, \
375 iv_len, flags, init_key, cleanup, set_asn1, \
377 BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \
378 iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
380 #define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, \
381 iv_len, cbits, flags, init_key, cleanup, \
382 set_asn1, get_asn1, ctrl) \
383 BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \
384 key_len, iv_len, flags, init_key, cleanup, set_asn1, \
387 #define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \
388 iv_len, cbits, flags, init_key, cleanup, \
389 set_asn1, get_asn1, ctrl) \
390 BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \
391 key_len, iv_len, flags, init_key, cleanup, set_asn1, \
394 #define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, \
395 flags, init_key, cleanup, set_asn1, \
397 BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \
398 0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
400 #define BLOCK_CIPHER_defs(cname, kstruct, \
401 nid, block_size, key_len, iv_len, cbits, flags, \
402 init_key, cleanup, set_asn1, get_asn1, ctrl) \
403 BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \
404 init_key, cleanup, set_asn1, get_asn1, ctrl) \
405 BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \
406 flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
407 BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \
408 flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
409 BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \
410 init_key, cleanup, set_asn1, get_asn1, ctrl)
413 #define BLOCK_CIPHER_defs(cname, kstruct, \
414 nid, block_size, key_len, iv_len, flags,\
415 init_key, cleanup, set_asn1, get_asn1, ctrl)\
416 static const EVP_CIPHER cname##_cbc = {\
417 nid##_cbc, block_size, key_len, iv_len, \
418 flags | EVP_CIPH_CBC_MODE,\
422 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
423 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
428 const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\
429 static const EVP_CIPHER cname##_cfb = {\
430 nid##_cfb64, 1, key_len, iv_len, \
431 flags | EVP_CIPH_CFB_MODE,\
435 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
436 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
441 const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\
442 static const EVP_CIPHER cname##_ofb = {\
443 nid##_ofb64, 1, key_len, iv_len, \
444 flags | EVP_CIPH_OFB_MODE,\
448 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
449 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
454 const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\
455 static const EVP_CIPHER cname##_ecb = {\
456 nid##_ecb, block_size, key_len, iv_len, \
457 flags | EVP_CIPH_ECB_MODE,\
461 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
462 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
467 const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; }
470 #define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \
471 block_size, key_len, iv_len, cbits, \
473 cleanup, set_asn1, get_asn1, ctrl) \
474 BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \
475 BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \
476 cbits, flags, init_key, cleanup, set_asn1, \
479 #define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len,fl) \
480 BLOCK_CIPHER_func_cfb(cipher##_##keysize,cprefix,cbits,kstruct,ksched) \
481 BLOCK_CIPHER_def_cfb(cipher##_##keysize,kstruct, \
482 NID_##cipher##_##keysize, keysize/8, iv_len, cbits, \
483 (fl)|EVP_CIPH_FLAG_DEFAULT_ASN1, \
484 cipher##_init_key, NULL, NULL, NULL, NULL)
487 # ifndef OPENSSL_NO_EC
489 #define X25519_KEYLEN 32
490 #define X448_KEYLEN 56
491 #define ED25519_KEYLEN 32
492 #define ED448_KEYLEN 57
494 #define MAX_KEYLEN ED448_KEYLEN
497 unsigned char pubkey[MAX_KEYLEN];
498 unsigned char *privkey;
504 * Type needs to be a bit field Sub-type needs to be for variations on the
505 * method, as in, can it do arbitrary encryption....
508 /* == Legacy attributes == */
511 const EVP_PKEY_ASN1_METHOD *ameth;
513 ENGINE *pmeth_engine; /* If not NULL public key ENGINE to use */
516 # ifndef OPENSSL_NO_RSA
517 struct rsa_st *rsa; /* RSA */
519 # ifndef OPENSSL_NO_DSA
520 struct dsa_st *dsa; /* DSA */
522 # ifndef OPENSSL_NO_DH
523 struct dh_st *dh; /* DH */
525 # ifndef OPENSSL_NO_EC
526 struct ec_key_st *ec; /* ECC */
527 ECX_KEY *ecx; /* X25519, X448, Ed25519, Ed448 */
531 /* == Common attributes == */
532 CRYPTO_REF_COUNT references;
534 STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
537 /* == Provider attributes == */
539 * To support transparent export/import between providers that
540 * support the methods for it, and still not having to do the
541 * export/import every time a key or domain params are used, we
542 * maintain a cache of imported key / domain params, indexed by
543 * provider address. pkeys[0] is *always* the "original" data.
546 EVP_KEYMGMT *keymgmt;
548 /* 0 = provdata is a key, 1 = provdata is domain params */
552 * If there is a legacy key assigned to this structure, we keep
553 * a copy of that key's dirty count.
555 size_t dirty_cnt_copy;
558 #define EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) \
559 ((ctx)->operation == EVP_PKEY_OP_SIGN \
560 || (ctx)->operation == EVP_PKEY_OP_SIGNCTX \
561 || (ctx)->operation == EVP_PKEY_OP_VERIFY \
562 || (ctx)->operation == EVP_PKEY_OP_VERIFYCTX \
563 || (ctx)->operation == EVP_PKEY_OP_VERIFYRECOVER)
565 #define EVP_PKEY_CTX_IS_DERIVE_OP(ctx) \
566 ((ctx)->operation == EVP_PKEY_OP_DERIVE)
568 void openssl_add_all_ciphers_int(void);
569 void openssl_add_all_digests_int(void);
570 void evp_cleanup_int(void);
571 void evp_app_cleanup_int(void);
573 /* KEYMGMT helper functions */
574 void *evp_keymgmt_export_to_provider(EVP_PKEY *pk, EVP_KEYMGMT *keymgmt,
576 void evp_keymgmt_clear_pkey_cache(EVP_PKEY *pk);
578 /* KEYMGMT provider interface functions */
579 void *evp_keymgmt_importdomparams(const EVP_KEYMGMT *keymgmt,
580 const OSSL_PARAM params[]);
581 void *evp_keymgmt_gendomparams(const EVP_KEYMGMT *keymgmt,
582 const OSSL_PARAM params[]);
583 void evp_keymgmt_freedomparams(const EVP_KEYMGMT *keymgmt,
584 void *provdomparams);
585 int evp_keymgmt_exportdomparams(const EVP_KEYMGMT *keymgmt,
586 void *provdomparams, OSSL_PARAM params[]);
588 evp_keymgmt_importdomparam_types(const EVP_KEYMGMT *keymgmt);
590 evp_keymgmt_exportdomparam_types(const EVP_KEYMGMT *keymgmt);
592 void *evp_keymgmt_importkey(const EVP_KEYMGMT *keymgmt,
593 const OSSL_PARAM params[]);
594 void *evp_keymgmt_genkey(const EVP_KEYMGMT *keymgmt, void *domparams,
595 const OSSL_PARAM params[]);
596 void *evp_keymgmt_loadkey(const EVP_KEYMGMT *keymgmt,
597 void *id, size_t idlen);
598 void evp_keymgmt_freekey(const EVP_KEYMGMT *keymgmt, void *provkey);
599 int evp_keymgmt_exportkey(const EVP_KEYMGMT *keymgmt,
600 void *provkey, OSSL_PARAM params[]);
601 const OSSL_PARAM *evp_keymgmt_importkey_types(const EVP_KEYMGMT *keymgmt);
602 const OSSL_PARAM *evp_keymgmt_exportkey_types(const EVP_KEYMGMT *keymgmt);
604 /* Pulling defines out of C source files */
606 #define EVP_RC4_KEY_SIZE 16
607 #ifndef TLS1_1_VERSION
608 # define TLS1_1_VERSION 0x0302
611 void evp_encode_ctx_set_flags(EVP_ENCODE_CTX *ctx, unsigned int flags);
613 /* EVP_ENCODE_CTX flags */
614 /* Don't generate new lines when encoding */
615 #define EVP_ENCODE_CTX_NO_NEWLINES 1
616 /* Use the SRP base64 alphabet instead of the standard one */
617 #define EVP_ENCODE_CTX_USE_SRP_ALPHABET 2