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 */
25 * Library context, Key type name and properties associated
30 const char *propquery
;
32 /* cached key manager */
37 EVP_KEYEXCH
*exchange
;
42 EVP_SIGNATURE
*signature
;
47 EVP_ASYM_CIPHER
*cipher
;
52 /* Legacy fields below */
54 /* Method associated with this operation */
55 const EVP_PKEY_METHOD
*pmeth
;
56 /* Engine that implements this method or NULL if builtin */
58 /* Key: may be NULL */
60 /* Peer key for key agreement, may be NULL */
62 /* Algorithm specific data */
64 /* Application specific data */
67 EVP_PKEY_gen_cb
*pkey_gencb
;
68 /* implementation specific keygen data */
70 int keygen_info_count
;
71 } /* EVP_PKEY_CTX */ ;
73 #define EVP_PKEY_FLAG_DYNAMIC 1
75 struct evp_pkey_method_st
{
78 int (*init
) (EVP_PKEY_CTX
*ctx
);
79 int (*copy
) (EVP_PKEY_CTX
*dst
, const EVP_PKEY_CTX
*src
);
80 void (*cleanup
) (EVP_PKEY_CTX
*ctx
);
81 int (*paramgen_init
) (EVP_PKEY_CTX
*ctx
);
82 int (*paramgen
) (EVP_PKEY_CTX
*ctx
, EVP_PKEY
*pkey
);
83 int (*keygen_init
) (EVP_PKEY_CTX
*ctx
);
84 int (*keygen
) (EVP_PKEY_CTX
*ctx
, EVP_PKEY
*pkey
);
85 int (*sign_init
) (EVP_PKEY_CTX
*ctx
);
86 int (*sign
) (EVP_PKEY_CTX
*ctx
, unsigned char *sig
, size_t *siglen
,
87 const unsigned char *tbs
, size_t tbslen
);
88 int (*verify_init
) (EVP_PKEY_CTX
*ctx
);
89 int (*verify
) (EVP_PKEY_CTX
*ctx
,
90 const unsigned char *sig
, size_t siglen
,
91 const unsigned char *tbs
, size_t tbslen
);
92 int (*verify_recover_init
) (EVP_PKEY_CTX
*ctx
);
93 int (*verify_recover
) (EVP_PKEY_CTX
*ctx
,
94 unsigned char *rout
, size_t *routlen
,
95 const unsigned char *sig
, size_t siglen
);
96 int (*signctx_init
) (EVP_PKEY_CTX
*ctx
, EVP_MD_CTX
*mctx
);
97 int (*signctx
) (EVP_PKEY_CTX
*ctx
, unsigned char *sig
, size_t *siglen
,
99 int (*verifyctx_init
) (EVP_PKEY_CTX
*ctx
, EVP_MD_CTX
*mctx
);
100 int (*verifyctx
) (EVP_PKEY_CTX
*ctx
, const unsigned char *sig
, int siglen
,
102 int (*encrypt_init
) (EVP_PKEY_CTX
*ctx
);
103 int (*encrypt
) (EVP_PKEY_CTX
*ctx
, unsigned char *out
, size_t *outlen
,
104 const unsigned char *in
, size_t inlen
);
105 int (*decrypt_init
) (EVP_PKEY_CTX
*ctx
);
106 int (*decrypt
) (EVP_PKEY_CTX
*ctx
, unsigned char *out
, size_t *outlen
,
107 const unsigned char *in
, size_t inlen
);
108 int (*derive_init
) (EVP_PKEY_CTX
*ctx
);
109 int (*derive
) (EVP_PKEY_CTX
*ctx
, unsigned char *key
, size_t *keylen
);
110 int (*ctrl
) (EVP_PKEY_CTX
*ctx
, int type
, int p1
, void *p2
);
111 int (*ctrl_str
) (EVP_PKEY_CTX
*ctx
, const char *type
, const char *value
);
112 int (*digestsign
) (EVP_MD_CTX
*ctx
, unsigned char *sig
, size_t *siglen
,
113 const unsigned char *tbs
, size_t tbslen
);
114 int (*digestverify
) (EVP_MD_CTX
*ctx
, const unsigned char *sig
,
115 size_t siglen
, const unsigned char *tbs
,
117 int (*check
) (EVP_PKEY
*pkey
);
118 int (*public_check
) (EVP_PKEY
*pkey
);
119 int (*param_check
) (EVP_PKEY
*pkey
);
121 int (*digest_custom
) (EVP_PKEY_CTX
*ctx
, EVP_MD_CTX
*mctx
);
122 } /* EVP_PKEY_METHOD */ ;
124 DEFINE_STACK_OF_CONST(EVP_PKEY_METHOD
)
126 void evp_pkey_set_cb_translate(BN_GENCB
*cb
, EVP_PKEY_CTX
*ctx
);
128 const EVP_PKEY_METHOD
*cmac_pkey_method(void);
129 const EVP_PKEY_METHOD
*dh_pkey_method(void);
130 const EVP_PKEY_METHOD
*dhx_pkey_method(void);
131 const EVP_PKEY_METHOD
*dsa_pkey_method(void);
132 const EVP_PKEY_METHOD
*ec_pkey_method(void);
133 const EVP_PKEY_METHOD
*sm2_pkey_method(void);
134 const EVP_PKEY_METHOD
*ecx25519_pkey_method(void);
135 const EVP_PKEY_METHOD
*ecx448_pkey_method(void);
136 const EVP_PKEY_METHOD
*ed25519_pkey_method(void);
137 const EVP_PKEY_METHOD
*ed448_pkey_method(void);
138 const EVP_PKEY_METHOD
*hmac_pkey_method(void);
139 const EVP_PKEY_METHOD
*rsa_pkey_method(void);
140 const EVP_PKEY_METHOD
*rsa_pss_pkey_method(void);
141 const EVP_PKEY_METHOD
*scrypt_pkey_method(void);
142 const EVP_PKEY_METHOD
*tls1_prf_pkey_method(void);
143 const EVP_PKEY_METHOD
*hkdf_pkey_method(void);
144 const EVP_PKEY_METHOD
*poly1305_pkey_method(void);
145 const EVP_PKEY_METHOD
*siphash_pkey_method(void);
151 CRYPTO_REF_COUNT refcnt
;
154 OSSL_OP_mac_newctx_fn
*newctx
;
155 OSSL_OP_mac_dupctx_fn
*dupctx
;
156 OSSL_OP_mac_freectx_fn
*freectx
;
157 OSSL_OP_mac_size_fn
*size
;
158 OSSL_OP_mac_init_fn
*init
;
159 OSSL_OP_mac_update_fn
*update
;
160 OSSL_OP_mac_final_fn
*final
;
161 OSSL_OP_mac_gettable_params_fn
*gettable_params
;
162 OSSL_OP_mac_gettable_ctx_params_fn
*gettable_ctx_params
;
163 OSSL_OP_mac_settable_ctx_params_fn
*settable_ctx_params
;
164 OSSL_OP_mac_get_params_fn
*get_params
;
165 OSSL_OP_mac_get_ctx_params_fn
*get_ctx_params
;
166 OSSL_OP_mac_set_ctx_params_fn
*set_ctx_params
;
172 CRYPTO_REF_COUNT refcnt
;
175 OSSL_OP_kdf_newctx_fn
*newctx
;
176 OSSL_OP_kdf_dupctx_fn
*dupctx
;
177 OSSL_OP_kdf_freectx_fn
*freectx
;
178 OSSL_OP_kdf_reset_fn
*reset
;
179 OSSL_OP_kdf_derive_fn
*derive
;
180 OSSL_OP_kdf_gettable_params_fn
*gettable_params
;
181 OSSL_OP_kdf_gettable_ctx_params_fn
*gettable_ctx_params
;
182 OSSL_OP_kdf_settable_ctx_params_fn
*settable_ctx_params
;
183 OSSL_OP_kdf_get_params_fn
*get_params
;
184 OSSL_OP_kdf_get_ctx_params_fn
*get_ctx_params
;
185 OSSL_OP_kdf_set_ctx_params_fn
*set_ctx_params
;
192 /* Legacy structure members */
193 /* TODO(3.0): Remove these */
197 int (*init
) (EVP_MD_CTX
*ctx
);
198 int (*update
) (EVP_MD_CTX
*ctx
, const void *data
, size_t count
);
199 int (*final
) (EVP_MD_CTX
*ctx
, unsigned char *md
);
200 int (*copy
) (EVP_MD_CTX
*to
, const EVP_MD_CTX
*from
);
201 int (*cleanup
) (EVP_MD_CTX
*ctx
);
203 int ctx_size
; /* how big does the ctx->md_data need to be */
204 /* control function */
205 int (*md_ctrl
) (EVP_MD_CTX
*ctx
, int cmd
, int p1
, void *p2
);
207 /* New structure members */
208 /* TODO(3.0): Remove above comment when legacy has gone */
211 CRYPTO_REF_COUNT refcnt
;
213 OSSL_OP_digest_newctx_fn
*newctx
;
214 OSSL_OP_digest_init_fn
*dinit
;
215 OSSL_OP_digest_update_fn
*dupdate
;
216 OSSL_OP_digest_final_fn
*dfinal
;
217 OSSL_OP_digest_digest_fn
*digest
;
218 OSSL_OP_digest_freectx_fn
*freectx
;
219 OSSL_OP_digest_dupctx_fn
*dupctx
;
220 OSSL_OP_digest_get_params_fn
*get_params
;
221 OSSL_OP_digest_set_ctx_params_fn
*set_ctx_params
;
222 OSSL_OP_digest_get_ctx_params_fn
*get_ctx_params
;
223 OSSL_OP_digest_gettable_params_fn
*gettable_params
;
224 OSSL_OP_digest_settable_ctx_params_fn
*settable_ctx_params
;
225 OSSL_OP_digest_gettable_ctx_params_fn
*gettable_ctx_params
;
229 struct evp_cipher_st
{
233 /* Default value for variable length ciphers */
237 /* Legacy structure members */
238 /* TODO(3.0): Remove these */
242 int (*init
) (EVP_CIPHER_CTX
*ctx
, const unsigned char *key
,
243 const unsigned char *iv
, int enc
);
244 /* encrypt/decrypt data */
245 int (*do_cipher
) (EVP_CIPHER_CTX
*ctx
, unsigned char *out
,
246 const unsigned char *in
, size_t inl
);
248 int (*cleanup
) (EVP_CIPHER_CTX
*);
249 /* how big ctx->cipher_data needs to be */
251 /* Populate a ASN1_TYPE with parameters */
252 int (*set_asn1_parameters
) (EVP_CIPHER_CTX
*, ASN1_TYPE
*);
253 /* Get parameters from a ASN1_TYPE */
254 int (*get_asn1_parameters
) (EVP_CIPHER_CTX
*, ASN1_TYPE
*);
255 /* Miscellaneous operations */
256 int (*ctrl
) (EVP_CIPHER_CTX
*, int type
, int arg
, void *ptr
);
257 /* Application data */
260 /* New structure members */
261 /* TODO(3.0): Remove above comment when legacy has gone */
264 CRYPTO_REF_COUNT refcnt
;
266 OSSL_OP_cipher_newctx_fn
*newctx
;
267 OSSL_OP_cipher_encrypt_init_fn
*einit
;
268 OSSL_OP_cipher_decrypt_init_fn
*dinit
;
269 OSSL_OP_cipher_update_fn
*cupdate
;
270 OSSL_OP_cipher_final_fn
*cfinal
;
271 OSSL_OP_cipher_cipher_fn
*ccipher
;
272 OSSL_OP_cipher_freectx_fn
*freectx
;
273 OSSL_OP_cipher_dupctx_fn
*dupctx
;
274 OSSL_OP_cipher_get_params_fn
*get_params
;
275 OSSL_OP_cipher_get_ctx_params_fn
*get_ctx_params
;
276 OSSL_OP_cipher_set_ctx_params_fn
*set_ctx_params
;
277 OSSL_OP_cipher_gettable_params_fn
*gettable_params
;
278 OSSL_OP_cipher_gettable_ctx_params_fn
*gettable_ctx_params
;
279 OSSL_OP_cipher_settable_ctx_params_fn
*settable_ctx_params
;
282 /* Macros to code block cipher wrappers */
284 /* Wrapper functions for each cipher mode */
286 #define EVP_C_DATA(kstruct, ctx) \
287 ((kstruct *)EVP_CIPHER_CTX_get_cipher_data(ctx))
289 #define BLOCK_CIPHER_ecb_loop() \
291 bl = EVP_CIPHER_CTX_cipher(ctx)->block_size; \
292 if (inl < bl) return 1;\
294 for (i=0; i <= inl; i+=bl)
296 #define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \
297 static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
299 BLOCK_CIPHER_ecb_loop() \
300 cprefix##_ecb_encrypt(in + i, out + i, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_encrypting(ctx)); \
304 #define EVP_MAXCHUNK ((size_t)1<<(sizeof(long)*8-2))
306 #define BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) \
307 static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
309 while(inl>=EVP_MAXCHUNK) {\
310 int num = EVP_CIPHER_CTX_num(ctx);\
311 cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), &num); \
312 EVP_CIPHER_CTX_set_num(ctx, num);\
318 int num = EVP_CIPHER_CTX_num(ctx);\
319 cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), &num); \
320 EVP_CIPHER_CTX_set_num(ctx, num);\
325 #define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \
326 static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
328 while(inl>=EVP_MAXCHUNK) \
330 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));\
336 cprefix##_cbc_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), EVP_CIPHER_CTX_encrypting(ctx));\
340 #define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \
341 static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
343 size_t chunk = EVP_MAXCHUNK;\
344 if (cbits == 1) chunk >>= 3;\
345 if (inl < chunk) chunk = inl;\
346 while (inl && inl >= chunk)\
348 int num = EVP_CIPHER_CTX_num(ctx);\
349 cprefix##_cfb##cbits##_encrypt(in, out, (long) \
351 && !EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS) \
352 ? chunk*8 : chunk), \
353 &EVP_C_DATA(kstruct, ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx),\
354 &num, EVP_CIPHER_CTX_encrypting(ctx));\
355 EVP_CIPHER_CTX_set_num(ctx, num);\
359 if (inl < chunk) chunk = inl;\
364 #define BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \
365 BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \
366 BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \
367 BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \
368 BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched)
370 #define BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, \
371 key_len, iv_len, flags, init_key, cleanup, \
372 set_asn1, get_asn1, ctrl) \
373 static const EVP_CIPHER cname##_##mode = { \
374 nid##_##nmode, block_size, key_len, iv_len, \
375 flags | EVP_CIPH_##MODE##_MODE, \
377 cname##_##mode##_cipher, \
384 const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; }
386 #define BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, \
387 iv_len, flags, init_key, cleanup, set_asn1, \
389 BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \
390 iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
392 #define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, \
393 iv_len, cbits, flags, init_key, cleanup, \
394 set_asn1, get_asn1, ctrl) \
395 BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \
396 key_len, iv_len, flags, init_key, cleanup, set_asn1, \
399 #define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \
400 iv_len, cbits, flags, init_key, cleanup, \
401 set_asn1, get_asn1, ctrl) \
402 BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \
403 key_len, iv_len, flags, init_key, cleanup, set_asn1, \
406 #define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, \
407 flags, init_key, cleanup, set_asn1, \
409 BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \
410 0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
412 #define BLOCK_CIPHER_defs(cname, kstruct, \
413 nid, block_size, key_len, iv_len, cbits, flags, \
414 init_key, cleanup, set_asn1, get_asn1, ctrl) \
415 BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \
416 init_key, cleanup, set_asn1, get_asn1, ctrl) \
417 BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \
418 flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
419 BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \
420 flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
421 BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \
422 init_key, cleanup, set_asn1, get_asn1, ctrl)
425 #define BLOCK_CIPHER_defs(cname, kstruct, \
426 nid, block_size, key_len, iv_len, flags,\
427 init_key, cleanup, set_asn1, get_asn1, ctrl)\
428 static const EVP_CIPHER cname##_cbc = {\
429 nid##_cbc, block_size, key_len, iv_len, \
430 flags | EVP_CIPH_CBC_MODE,\
434 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
435 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
440 const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\
441 static const EVP_CIPHER cname##_cfb = {\
442 nid##_cfb64, 1, key_len, iv_len, \
443 flags | EVP_CIPH_CFB_MODE,\
447 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
448 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
453 const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\
454 static const EVP_CIPHER cname##_ofb = {\
455 nid##_ofb64, 1, key_len, iv_len, \
456 flags | EVP_CIPH_OFB_MODE,\
460 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
461 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
466 const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\
467 static const EVP_CIPHER cname##_ecb = {\
468 nid##_ecb, block_size, key_len, iv_len, \
469 flags | EVP_CIPH_ECB_MODE,\
473 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
474 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
479 const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; }
482 #define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \
483 block_size, key_len, iv_len, cbits, \
485 cleanup, set_asn1, get_asn1, ctrl) \
486 BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \
487 BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \
488 cbits, flags, init_key, cleanup, set_asn1, \
491 #define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len,fl) \
492 BLOCK_CIPHER_func_cfb(cipher##_##keysize,cprefix,cbits,kstruct,ksched) \
493 BLOCK_CIPHER_def_cfb(cipher##_##keysize,kstruct, \
494 NID_##cipher##_##keysize, keysize/8, iv_len, cbits, \
495 (fl)|EVP_CIPH_FLAG_DEFAULT_ASN1, \
496 cipher##_init_key, NULL, NULL, NULL, NULL)
499 # ifndef OPENSSL_NO_EC
501 #define X25519_KEYLEN 32
502 #define X448_KEYLEN 56
503 #define ED25519_KEYLEN 32
504 #define ED448_KEYLEN 57
506 #define MAX_KEYLEN ED448_KEYLEN
509 unsigned char pubkey
[MAX_KEYLEN
];
510 unsigned char *privkey
;
516 * Type needs to be a bit field Sub-type needs to be for variations on the
517 * method, as in, can it do arbitrary encryption....
520 /* == Legacy attributes == */
523 const EVP_PKEY_ASN1_METHOD
*ameth
;
525 ENGINE
*pmeth_engine
; /* If not NULL public key ENGINE to use */
528 # ifndef OPENSSL_NO_RSA
529 struct rsa_st
*rsa
; /* RSA */
531 # ifndef OPENSSL_NO_DSA
532 struct dsa_st
*dsa
; /* DSA */
534 # ifndef OPENSSL_NO_DH
535 struct dh_st
*dh
; /* DH */
537 # ifndef OPENSSL_NO_EC
538 struct ec_key_st
*ec
; /* ECC */
539 ECX_KEY
*ecx
; /* X25519, X448, Ed25519, Ed448 */
543 /* == Common attributes == */
544 CRYPTO_REF_COUNT references
;
546 STACK_OF(X509_ATTRIBUTE
) *attributes
; /* [ 0 ] */
549 /* == Provider attributes == */
551 * To support transparent export/import between providers that
552 * support the methods for it, and still not having to do the
553 * export/import every time a key or domain params are used, we
554 * maintain a cache of imported key / domain params, indexed by
555 * provider address. pkeys[0] is *always* the "original" data.
558 EVP_KEYMGMT
*keymgmt
;
560 /* 0 = provdata is a key, 1 = provdata is domain params */
564 * If there is a legacy key assigned to this structure, we keep
565 * a copy of that key's dirty count.
567 size_t dirty_cnt_copy
;
569 /* Cache of domain parameter / key information */
577 #define EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) \
578 ((ctx)->operation == EVP_PKEY_OP_SIGN \
579 || (ctx)->operation == EVP_PKEY_OP_SIGNCTX \
580 || (ctx)->operation == EVP_PKEY_OP_VERIFY \
581 || (ctx)->operation == EVP_PKEY_OP_VERIFYCTX \
582 || (ctx)->operation == EVP_PKEY_OP_VERIFYRECOVER)
584 #define EVP_PKEY_CTX_IS_DERIVE_OP(ctx) \
585 ((ctx)->operation == EVP_PKEY_OP_DERIVE)
587 #define EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) \
588 ((ctx)->operation == EVP_PKEY_OP_ENCRYPT \
589 || (ctx)->operation == EVP_PKEY_OP_DECRYPT)
591 void openssl_add_all_ciphers_int(void);
592 void openssl_add_all_digests_int(void);
593 void evp_cleanup_int(void);
594 void evp_app_cleanup_int(void);
597 * KEYMGMT utility functions
599 void *evp_keymgmt_util_export_to_provider(EVP_PKEY
*pk
, EVP_KEYMGMT
*keymgmt
,
601 void evp_keymgmt_util_clear_pkey_cache(EVP_PKEY
*pk
);
602 void evp_keymgmt_util_cache_pkey(EVP_PKEY
*pk
, size_t index
,
603 EVP_KEYMGMT
*keymgmt
, void *provdata
,
605 void *evp_keymgmt_util_fromdata(EVP_PKEY
*target
, EVP_KEYMGMT
*keymgmt
,
606 const OSSL_PARAM params
[], int domainparams
);
610 * KEYMGMT provider interface functions
612 void *evp_keymgmt_importdomparams(const EVP_KEYMGMT
*keymgmt
,
613 const OSSL_PARAM params
[]);
614 void *evp_keymgmt_gendomparams(const EVP_KEYMGMT
*keymgmt
,
615 const OSSL_PARAM params
[]);
616 void evp_keymgmt_freedomparams(const EVP_KEYMGMT
*keymgmt
,
617 void *provdomparams
);
618 int evp_keymgmt_exportdomparams(const EVP_KEYMGMT
*keymgmt
,
620 OSSL_CALLBACK
*param_cb
, void *cbarg
);
622 evp_keymgmt_importdomparam_types(const EVP_KEYMGMT
*keymgmt
);
624 evp_keymgmt_exportdomparam_types(const EVP_KEYMGMT
*keymgmt
);
625 int evp_keymgmt_get_domparam_params(const EVP_KEYMGMT
*keymgmt
,
626 void *provdomparam
, OSSL_PARAM params
[]);
628 evp_keymgmt_gettable_domparam_params(const EVP_KEYMGMT
*keymgmt
);
630 void *evp_keymgmt_importkey(const EVP_KEYMGMT
*keymgmt
,
631 const OSSL_PARAM params
[]);
632 void *evp_keymgmt_genkey(const EVP_KEYMGMT
*keymgmt
, void *domparams
,
633 const OSSL_PARAM params
[]);
634 void *evp_keymgmt_loadkey(const EVP_KEYMGMT
*keymgmt
,
635 void *id
, size_t idlen
);
636 void evp_keymgmt_freekey(const EVP_KEYMGMT
*keymgmt
, void *provkey
);
637 int evp_keymgmt_exportkey(const EVP_KEYMGMT
*keymgmt
, void *provkey
,
638 OSSL_CALLBACK
*param_cb
, void *cbarg
);
639 const OSSL_PARAM
*evp_keymgmt_importkey_types(const EVP_KEYMGMT
*keymgmt
);
640 const OSSL_PARAM
*evp_keymgmt_exportkey_types(const EVP_KEYMGMT
*keymgmt
);
641 int evp_keymgmt_get_key_params(const EVP_KEYMGMT
*keymgmt
,
642 void *provkey
, OSSL_PARAM params
[]);
643 const OSSL_PARAM
*evp_keymgmt_gettable_key_params(const EVP_KEYMGMT
*keymgmt
);
645 int evp_keymgmt_validate_domparams(const EVP_KEYMGMT
*keymgmt
, void *provkey
);
646 int evp_keymgmt_validate_public(const EVP_KEYMGMT
*keymgmt
, void *provkey
);
647 int evp_keymgmt_validate_private(const EVP_KEYMGMT
*keymgmt
, void *provkey
);
648 int evp_keymgmt_validate_pairwise(const EVP_KEYMGMT
*keymgmt
, void *provkey
);
651 /* Pulling defines out of C source files */
653 #define EVP_RC4_KEY_SIZE 16
654 #ifndef TLS1_1_VERSION
655 # define TLS1_1_VERSION 0x0302
658 void evp_encode_ctx_set_flags(EVP_ENCODE_CTX
*ctx
, unsigned int flags
);
660 /* EVP_ENCODE_CTX flags */
661 /* Don't generate new lines when encoding */
662 #define EVP_ENCODE_CTX_NO_NEWLINES 1
663 /* Use the SRP base64 alphabet instead of the standard one */
664 #define EVP_ENCODE_CTX_USE_SRP_ALPHABET 2
666 const EVP_CIPHER
*evp_get_cipherbyname_ex(OPENSSL_CTX
*libctx
, const char *name
);
667 const EVP_MD
*evp_get_digestbyname_ex(OPENSSL_CTX
*libctx
, const char *name
);