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 */
26 EVP_KEYEXCH *exchange;
31 EVP_SIGNATURE *signature;
36 /* Legacy fields below */
38 /* Method associated with this operation */
39 const EVP_PKEY_METHOD *pmeth;
40 /* Engine that implements this method or NULL if builtin */
42 /* Key: may be NULL */
44 /* Peer key for key agreement, may be NULL */
46 /* Algorithm specific data */
48 /* Application specific data */
51 EVP_PKEY_gen_cb *pkey_gencb;
52 /* implementation specific keygen data */
54 int keygen_info_count;
55 } /* EVP_PKEY_CTX */ ;
57 #define EVP_PKEY_FLAG_DYNAMIC 1
59 struct evp_pkey_method_st {
62 int (*init) (EVP_PKEY_CTX *ctx);
63 int (*copy) (EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src);
64 void (*cleanup) (EVP_PKEY_CTX *ctx);
65 int (*paramgen_init) (EVP_PKEY_CTX *ctx);
66 int (*paramgen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
67 int (*keygen_init) (EVP_PKEY_CTX *ctx);
68 int (*keygen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
69 int (*sign_init) (EVP_PKEY_CTX *ctx);
70 int (*sign) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
71 const unsigned char *tbs, size_t tbslen);
72 int (*verify_init) (EVP_PKEY_CTX *ctx);
73 int (*verify) (EVP_PKEY_CTX *ctx,
74 const unsigned char *sig, size_t siglen,
75 const unsigned char *tbs, size_t tbslen);
76 int (*verify_recover_init) (EVP_PKEY_CTX *ctx);
77 int (*verify_recover) (EVP_PKEY_CTX *ctx,
78 unsigned char *rout, size_t *routlen,
79 const unsigned char *sig, size_t siglen);
80 int (*signctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx);
81 int (*signctx) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
83 int (*verifyctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx);
84 int (*verifyctx) (EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen,
86 int (*encrypt_init) (EVP_PKEY_CTX *ctx);
87 int (*encrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
88 const unsigned char *in, size_t inlen);
89 int (*decrypt_init) (EVP_PKEY_CTX *ctx);
90 int (*decrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
91 const unsigned char *in, size_t inlen);
92 int (*derive_init) (EVP_PKEY_CTX *ctx);
93 int (*derive) (EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
94 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, void *p2);
95 int (*ctrl_str) (EVP_PKEY_CTX *ctx, const char *type, const char *value);
96 int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
97 const unsigned char *tbs, size_t tbslen);
98 int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
99 size_t siglen, const unsigned char *tbs,
101 int (*check) (EVP_PKEY *pkey);
102 int (*public_check) (EVP_PKEY *pkey);
103 int (*param_check) (EVP_PKEY *pkey);
105 int (*digest_custom) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx);
106 } /* EVP_PKEY_METHOD */ ;
108 DEFINE_STACK_OF_CONST(EVP_PKEY_METHOD)
110 void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx);
112 const EVP_PKEY_METHOD *cmac_pkey_method(void);
113 const EVP_PKEY_METHOD *dh_pkey_method(void);
114 const EVP_PKEY_METHOD *dhx_pkey_method(void);
115 const EVP_PKEY_METHOD *dsa_pkey_method(void);
116 const EVP_PKEY_METHOD *ec_pkey_method(void);
117 const EVP_PKEY_METHOD *sm2_pkey_method(void);
118 const EVP_PKEY_METHOD *ecx25519_pkey_method(void);
119 const EVP_PKEY_METHOD *ecx448_pkey_method(void);
120 const EVP_PKEY_METHOD *ed25519_pkey_method(void);
121 const EVP_PKEY_METHOD *ed448_pkey_method(void);
122 const EVP_PKEY_METHOD *hmac_pkey_method(void);
123 const EVP_PKEY_METHOD *rsa_pkey_method(void);
124 const EVP_PKEY_METHOD *rsa_pss_pkey_method(void);
125 const EVP_PKEY_METHOD *scrypt_pkey_method(void);
126 const EVP_PKEY_METHOD *tls1_prf_pkey_method(void);
127 const EVP_PKEY_METHOD *hkdf_pkey_method(void);
128 const EVP_PKEY_METHOD *poly1305_pkey_method(void);
129 const EVP_PKEY_METHOD *siphash_pkey_method(void);
135 CRYPTO_REF_COUNT refcnt;
138 OSSL_OP_mac_newctx_fn *newctx;
139 OSSL_OP_mac_dupctx_fn *dupctx;
140 OSSL_OP_mac_freectx_fn *freectx;
141 OSSL_OP_mac_size_fn *size;
142 OSSL_OP_mac_init_fn *init;
143 OSSL_OP_mac_update_fn *update;
144 OSSL_OP_mac_final_fn *final;
145 OSSL_OP_mac_gettable_params_fn *gettable_params;
146 OSSL_OP_mac_gettable_ctx_params_fn *gettable_ctx_params;
147 OSSL_OP_mac_settable_ctx_params_fn *settable_ctx_params;
148 OSSL_OP_mac_get_params_fn *get_params;
149 OSSL_OP_mac_get_ctx_params_fn *get_ctx_params;
150 OSSL_OP_mac_set_ctx_params_fn *set_ctx_params;
156 CRYPTO_REF_COUNT refcnt;
159 OSSL_OP_kdf_newctx_fn *newctx;
160 OSSL_OP_kdf_dupctx_fn *dupctx;
161 OSSL_OP_kdf_freectx_fn *freectx;
162 OSSL_OP_kdf_reset_fn *reset;
163 OSSL_OP_kdf_derive_fn *derive;
164 OSSL_OP_kdf_gettable_params_fn *gettable_params;
165 OSSL_OP_kdf_gettable_ctx_params_fn *gettable_ctx_params;
166 OSSL_OP_kdf_settable_ctx_params_fn *settable_ctx_params;
167 OSSL_OP_kdf_get_params_fn *get_params;
168 OSSL_OP_kdf_get_ctx_params_fn *get_ctx_params;
169 OSSL_OP_kdf_set_ctx_params_fn *set_ctx_params;
176 /* Legacy structure members */
177 /* TODO(3.0): Remove these */
181 int (*init) (EVP_MD_CTX *ctx);
182 int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count);
183 int (*final) (EVP_MD_CTX *ctx, unsigned char *md);
184 int (*copy) (EVP_MD_CTX *to, const EVP_MD_CTX *from);
185 int (*cleanup) (EVP_MD_CTX *ctx);
187 int ctx_size; /* how big does the ctx->md_data need to be */
188 /* control function */
189 int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
191 /* New structure members */
192 /* TODO(3.0): Remove above comment when legacy has gone */
195 CRYPTO_REF_COUNT refcnt;
197 OSSL_OP_digest_newctx_fn *newctx;
198 OSSL_OP_digest_init_fn *dinit;
199 OSSL_OP_digest_update_fn *dupdate;
200 OSSL_OP_digest_final_fn *dfinal;
201 OSSL_OP_digest_digest_fn *digest;
202 OSSL_OP_digest_freectx_fn *freectx;
203 OSSL_OP_digest_dupctx_fn *dupctx;
204 OSSL_OP_digest_get_params_fn *get_params;
205 OSSL_OP_digest_set_ctx_params_fn *set_ctx_params;
206 OSSL_OP_digest_get_ctx_params_fn *get_ctx_params;
207 OSSL_OP_digest_gettable_params_fn *gettable_params;
208 OSSL_OP_digest_settable_ctx_params_fn *settable_ctx_params;
209 OSSL_OP_digest_gettable_ctx_params_fn *gettable_ctx_params;
213 struct evp_cipher_st {
217 /* Default value for variable length ciphers */
221 /* Legacy structure members */
222 /* TODO(3.0): Remove these */
226 int (*init) (EVP_CIPHER_CTX *ctx, const unsigned char *key,
227 const unsigned char *iv, int enc);
228 /* encrypt/decrypt data */
229 int (*do_cipher) (EVP_CIPHER_CTX *ctx, unsigned char *out,
230 const unsigned char *in, size_t inl);
232 int (*cleanup) (EVP_CIPHER_CTX *);
233 /* how big ctx->cipher_data needs to be */
235 /* Populate a ASN1_TYPE with parameters */
236 int (*set_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *);
237 /* Get parameters from a ASN1_TYPE */
238 int (*get_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *);
239 /* Miscellaneous operations */
240 int (*ctrl) (EVP_CIPHER_CTX *, int type, int arg, void *ptr);
241 /* Application data */
244 /* New structure members */
245 /* TODO(3.0): Remove above comment when legacy has gone */
248 CRYPTO_REF_COUNT refcnt;
250 OSSL_OP_cipher_newctx_fn *newctx;
251 OSSL_OP_cipher_encrypt_init_fn *einit;
252 OSSL_OP_cipher_decrypt_init_fn *dinit;
253 OSSL_OP_cipher_update_fn *cupdate;
254 OSSL_OP_cipher_final_fn *cfinal;
255 OSSL_OP_cipher_cipher_fn *ccipher;
256 OSSL_OP_cipher_freectx_fn *freectx;
257 OSSL_OP_cipher_dupctx_fn *dupctx;
258 OSSL_OP_cipher_get_params_fn *get_params;
259 OSSL_OP_cipher_get_ctx_params_fn *get_ctx_params;
260 OSSL_OP_cipher_set_ctx_params_fn *set_ctx_params;
261 OSSL_OP_cipher_gettable_params_fn *gettable_params;
262 OSSL_OP_cipher_gettable_ctx_params_fn *gettable_ctx_params;
263 OSSL_OP_cipher_settable_ctx_params_fn *settable_ctx_params;
266 /* Macros to code block cipher wrappers */
268 /* Wrapper functions for each cipher mode */
270 #define EVP_C_DATA(kstruct, ctx) \
271 ((kstruct *)EVP_CIPHER_CTX_get_cipher_data(ctx))
273 #define BLOCK_CIPHER_ecb_loop() \
275 bl = EVP_CIPHER_CTX_cipher(ctx)->block_size; \
276 if (inl < bl) return 1;\
278 for (i=0; i <= inl; i+=bl)
280 #define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \
281 static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
283 BLOCK_CIPHER_ecb_loop() \
284 cprefix##_ecb_encrypt(in + i, out + i, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_encrypting(ctx)); \
288 #define EVP_MAXCHUNK ((size_t)1<<(sizeof(long)*8-2))
290 #define BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) \
291 static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
293 while(inl>=EVP_MAXCHUNK) {\
294 int num = EVP_CIPHER_CTX_num(ctx);\
295 cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), &num); \
296 EVP_CIPHER_CTX_set_num(ctx, num);\
302 int num = EVP_CIPHER_CTX_num(ctx);\
303 cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), &num); \
304 EVP_CIPHER_CTX_set_num(ctx, num);\
309 #define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \
310 static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
312 while(inl>=EVP_MAXCHUNK) \
314 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));\
320 cprefix##_cbc_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), EVP_CIPHER_CTX_encrypting(ctx));\
324 #define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \
325 static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
327 size_t chunk = EVP_MAXCHUNK;\
328 if (cbits == 1) chunk >>= 3;\
329 if (inl < chunk) chunk = inl;\
330 while (inl && inl >= chunk)\
332 int num = EVP_CIPHER_CTX_num(ctx);\
333 cprefix##_cfb##cbits##_encrypt(in, out, (long) \
335 && !EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS) \
336 ? chunk*8 : chunk), \
337 &EVP_C_DATA(kstruct, ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx),\
338 &num, EVP_CIPHER_CTX_encrypting(ctx));\
339 EVP_CIPHER_CTX_set_num(ctx, num);\
343 if (inl < chunk) chunk = inl;\
348 #define BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \
349 BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \
350 BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \
351 BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \
352 BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched)
354 #define BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, \
355 key_len, iv_len, flags, init_key, cleanup, \
356 set_asn1, get_asn1, ctrl) \
357 static const EVP_CIPHER cname##_##mode = { \
358 nid##_##nmode, block_size, key_len, iv_len, \
359 flags | EVP_CIPH_##MODE##_MODE, \
361 cname##_##mode##_cipher, \
368 const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; }
370 #define BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, \
371 iv_len, flags, init_key, cleanup, set_asn1, \
373 BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \
374 iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
376 #define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, \
377 iv_len, cbits, flags, init_key, cleanup, \
378 set_asn1, get_asn1, ctrl) \
379 BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \
380 key_len, iv_len, flags, init_key, cleanup, set_asn1, \
383 #define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \
384 iv_len, cbits, flags, init_key, cleanup, \
385 set_asn1, get_asn1, ctrl) \
386 BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \
387 key_len, iv_len, flags, init_key, cleanup, set_asn1, \
390 #define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, \
391 flags, init_key, cleanup, set_asn1, \
393 BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \
394 0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
396 #define BLOCK_CIPHER_defs(cname, kstruct, \
397 nid, block_size, key_len, iv_len, cbits, flags, \
398 init_key, cleanup, set_asn1, get_asn1, ctrl) \
399 BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \
400 init_key, cleanup, set_asn1, get_asn1, ctrl) \
401 BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \
402 flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
403 BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \
404 flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
405 BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \
406 init_key, cleanup, set_asn1, get_asn1, ctrl)
409 #define BLOCK_CIPHER_defs(cname, kstruct, \
410 nid, block_size, key_len, iv_len, flags,\
411 init_key, cleanup, set_asn1, get_asn1, ctrl)\
412 static const EVP_CIPHER cname##_cbc = {\
413 nid##_cbc, block_size, key_len, iv_len, \
414 flags | EVP_CIPH_CBC_MODE,\
418 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
419 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
424 const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\
425 static const EVP_CIPHER cname##_cfb = {\
426 nid##_cfb64, 1, key_len, iv_len, \
427 flags | EVP_CIPH_CFB_MODE,\
431 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
432 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
437 const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\
438 static const EVP_CIPHER cname##_ofb = {\
439 nid##_ofb64, 1, key_len, iv_len, \
440 flags | EVP_CIPH_OFB_MODE,\
444 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
445 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
450 const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\
451 static const EVP_CIPHER cname##_ecb = {\
452 nid##_ecb, block_size, key_len, iv_len, \
453 flags | EVP_CIPH_ECB_MODE,\
457 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
458 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
463 const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; }
466 #define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \
467 block_size, key_len, iv_len, cbits, \
469 cleanup, set_asn1, get_asn1, ctrl) \
470 BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \
471 BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \
472 cbits, flags, init_key, cleanup, set_asn1, \
475 #define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len,fl) \
476 BLOCK_CIPHER_func_cfb(cipher##_##keysize,cprefix,cbits,kstruct,ksched) \
477 BLOCK_CIPHER_def_cfb(cipher##_##keysize,kstruct, \
478 NID_##cipher##_##keysize, keysize/8, iv_len, cbits, \
479 (fl)|EVP_CIPH_FLAG_DEFAULT_ASN1, \
480 cipher##_init_key, NULL, NULL, NULL, NULL)
483 # ifndef OPENSSL_NO_EC
485 #define X25519_KEYLEN 32
486 #define X448_KEYLEN 56
487 #define ED25519_KEYLEN 32
488 #define ED448_KEYLEN 57
490 #define MAX_KEYLEN ED448_KEYLEN
493 unsigned char pubkey[MAX_KEYLEN];
494 unsigned char *privkey;
500 * Type needs to be a bit field Sub-type needs to be for variations on the
501 * method, as in, can it do arbitrary encryption....
504 /* == Legacy attributes == */
507 const EVP_PKEY_ASN1_METHOD *ameth;
509 ENGINE *pmeth_engine; /* If not NULL public key ENGINE to use */
512 # ifndef OPENSSL_NO_RSA
513 struct rsa_st *rsa; /* RSA */
515 # ifndef OPENSSL_NO_DSA
516 struct dsa_st *dsa; /* DSA */
518 # ifndef OPENSSL_NO_DH
519 struct dh_st *dh; /* DH */
521 # ifndef OPENSSL_NO_EC
522 struct ec_key_st *ec; /* ECC */
523 ECX_KEY *ecx; /* X25519, X448, Ed25519, Ed448 */
527 /* == Common attributes == */
528 CRYPTO_REF_COUNT references;
530 STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
533 /* == Provider attributes == */
535 * To support transparent export/import between providers that
536 * support the methods for it, and still not having to do the
537 * export/import every time a key is used, we maintain a cache
538 * of imported key, indexed by provider address.
539 * pkeys[0] is *always* the "original" key.
542 EVP_KEYMGMT *keymgmt;
546 * If there is a legacy key assigned to this structure, we keep
547 * a copy of that key's dirty count.
549 size_t dirty_cnt_copy;
552 #define EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) \
553 ((ctx)->operation == EVP_PKEY_OP_SIGN \
554 || (ctx)->operation == EVP_PKEY_OP_SIGNCTX \
555 || (ctx)->operation == EVP_PKEY_OP_VERIFY \
556 || (ctx)->operation == EVP_PKEY_OP_VERIFYCTX \
557 || (ctx)->operation == EVP_PKEY_OP_VERIFYRECOVER)
559 #define EVP_PKEY_CTX_IS_DERIVE_OP(ctx) \
560 ((ctx)->operation == EVP_PKEY_OP_DERIVE)
562 void openssl_add_all_ciphers_int(void);
563 void openssl_add_all_digests_int(void);
564 void evp_cleanup_int(void);
565 void evp_app_cleanup_int(void);
567 /* KEYMGMT helper functions */
568 void *evp_keymgmt_export_to_provider(EVP_PKEY *pk, EVP_KEYMGMT *keymgmt);
569 void evp_keymgmt_clear_pkey_cache(EVP_PKEY *pk);
571 /* KEYMGMT provider interface functions */
572 void *evp_keymgmt_importdomparams(const EVP_KEYMGMT *keymgmt,
573 const OSSL_PARAM params[]);
574 void *evp_keymgmt_gendomparams(const EVP_KEYMGMT *keymgmt,
575 const OSSL_PARAM params[]);
576 void evp_keymgmt_freedomparams(const EVP_KEYMGMT *keymgmt,
577 void *provdomparams);
578 int evp_keymgmt_exportdomparams(const EVP_KEYMGMT *keymgmt,
579 void *provdomparams, OSSL_PARAM params[]);
581 evp_keymgmt_importdomparam_types(const EVP_KEYMGMT *keymgmt);
583 evp_keymgmt_exportdomparam_types(const EVP_KEYMGMT *keymgmt);
585 void *evp_keymgmt_importkey(const EVP_KEYMGMT *keymgmt,
586 const OSSL_PARAM params[]);
587 void *evp_keymgmt_genkey(const EVP_KEYMGMT *keymgmt, void *domparams,
588 const OSSL_PARAM params[]);
589 void *evp_keymgmt_loadkey(const EVP_KEYMGMT *keymgmt,
590 void *id, size_t idlen);
591 void evp_keymgmt_freekey(const EVP_KEYMGMT *keymgmt, void *provkey);
592 int evp_keymgmt_exportkey(const EVP_KEYMGMT *keymgmt,
593 void *provkey, OSSL_PARAM params[]);
594 const OSSL_PARAM *evp_keymgmt_importkey_types(const EVP_KEYMGMT *keymgmt);
595 const OSSL_PARAM *evp_keymgmt_exportkey_types(const EVP_KEYMGMT *keymgmt);
597 /* Pulling defines out of C source files */
599 #define EVP_RC4_KEY_SIZE 16
600 #ifndef TLS1_1_VERSION
601 # define TLS1_1_VERSION 0x0302
604 void evp_encode_ctx_set_flags(EVP_ENCODE_CTX *ctx, unsigned int flags);
606 /* EVP_ENCODE_CTX flags */
607 /* Don't generate new lines when encoding */
608 #define EVP_ENCODE_CTX_NO_NEWLINES 1
609 /* Use the SRP base64 alphabet instead of the standard one */
610 #define EVP_ENCODE_CTX_USE_SRP_ALPHABET 2