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Add basic EVP_KEYMGMT API and libcrypto <-> provider interface
[thirdparty/openssl.git] / crypto / include / internal / evp_int.h
CommitLineData
27af42f9 1/*
0d664759 2 * Copyright 2015-2018 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
c0804614 10#include <openssl/evp.h>
3653d0c2 11#include <openssl/core_numbers.h>
2f545ae4
KR		 12#include "internal/refcount.h"
13
4803717f
PY		 14/*
15 * Don't free up md_ctx->pctx in EVP_MD_CTX_reset, use the reserved flag
16 * values in evp.h
17 */
18#define EVP_MD_CTX_FLAG_KEEP_PKEY_CTX 0x0400
19
27af42f9 20struct evp_pkey_ctx_st {
ff64702b
MC		 21 EVP_KEYEXCH *exchange;
22 void *exchprovctx;
23
24 /* Legacy fields below */
25
27af42f9
DSH		 26 /* Method associated with this operation */
27 const EVP_PKEY_METHOD *pmeth;
28 /* Engine that implements this method or NULL if builtin */
29 ENGINE *engine;
30 /* Key: may be NULL */
31 EVP_PKEY *pkey;
32 /* Peer key for key agreement, may be NULL */
33 EVP_PKEY *peerkey;
34 /* Actual operation */
35 int operation;
36 /* Algorithm specific data */
37 void *data;
38 /* Application specific data */
39 void *app_data;
40 /* Keygen callback */
41 EVP_PKEY_gen_cb *pkey_gencb;
42 /* implementation specific keygen data */
43 int *keygen_info;
44 int keygen_info_count;
45} /* EVP_PKEY_CTX */ ;
46
47#define EVP_PKEY_FLAG_DYNAMIC 1
48
49struct evp_pkey_method_st {
50 int pkey_id;
51 int flags;
52 int (*init) (EVP_PKEY_CTX *ctx);
9fdcc21f 53 int (*copy) (EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src);
27af42f9
DSH		 54 void (*cleanup) (EVP_PKEY_CTX *ctx);
55 int (*paramgen_init) (EVP_PKEY_CTX *ctx);
56 int (*paramgen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
57 int (*keygen_init) (EVP_PKEY_CTX *ctx);
58 int (*keygen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
59 int (*sign_init) (EVP_PKEY_CTX *ctx);
60 int (*sign) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
61 const unsigned char *tbs, size_t tbslen);
62 int (*verify_init) (EVP_PKEY_CTX *ctx);
63 int (*verify) (EVP_PKEY_CTX *ctx,
64 const unsigned char *sig, size_t siglen,
65 const unsigned char *tbs, size_t tbslen);
66 int (*verify_recover_init) (EVP_PKEY_CTX *ctx);
67 int (*verify_recover) (EVP_PKEY_CTX *ctx,
68 unsigned char *rout, size_t *routlen,
69 const unsigned char *sig, size_t siglen);
70 int (*signctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx);
71 int (*signctx) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
72 EVP_MD_CTX *mctx);
73 int (*verifyctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx);
74 int (*verifyctx) (EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen,
75 EVP_MD_CTX *mctx);
76 int (*encrypt_init) (EVP_PKEY_CTX *ctx);
77 int (*encrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
78 const unsigned char *in, size_t inlen);
79 int (*decrypt_init) (EVP_PKEY_CTX *ctx);
80 int (*decrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
81 const unsigned char *in, size_t inlen);
82 int (*derive_init) (EVP_PKEY_CTX *ctx);
83 int (*derive) (EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
84 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, void *p2);
85 int (*ctrl_str) (EVP_PKEY_CTX *ctx, const char *type, const char *value);
f723c98e
DSH		 86 int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
87 const unsigned char *tbs, size_t tbslen);
88 int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
89 size_t siglen, const unsigned char *tbs,
90 size_t tbslen);
2aee35d3 91 int (*check) (EVP_PKEY *pkey);
b0004708
PY		 92 int (*public_check) (EVP_PKEY *pkey);
93 int (*param_check) (EVP_PKEY *pkey);
0a8fdef7
PY		 94
95 int (*digest_custom) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx);
27af42f9
DSH		 96} /* EVP_PKEY_METHOD */ ;
97
a8eba56e 98DEFINE_STACK_OF_CONST(EVP_PKEY_METHOD)
4a1f3f27 99
27af42f9 100void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx);
8f463dbd
DSH		 101
102extern const EVP_PKEY_METHOD cmac_pkey_meth;
103extern const EVP_PKEY_METHOD dh_pkey_meth;
104extern const EVP_PKEY_METHOD dhx_pkey_meth;
105extern const EVP_PKEY_METHOD dsa_pkey_meth;
106extern const EVP_PKEY_METHOD ec_pkey_meth;
ddb634fe 107extern const EVP_PKEY_METHOD sm2_pkey_meth;
262bd85f 108extern const EVP_PKEY_METHOD ecx25519_pkey_meth;
13735cfe 109extern const EVP_PKEY_METHOD ecx448_pkey_meth;
42a3008a 110extern const EVP_PKEY_METHOD ed25519_pkey_meth;
13735cfe 111extern const EVP_PKEY_METHOD ed448_pkey_meth;
8f463dbd
DSH		 112extern const EVP_PKEY_METHOD hmac_pkey_meth;
113extern const EVP_PKEY_METHOD rsa_pkey_meth;
6577e008 114extern const EVP_PKEY_METHOD rsa_pss_pkey_meth;
cefa762e 115extern const EVP_PKEY_METHOD scrypt_pkey_meth;
1eff3485 116extern const EVP_PKEY_METHOD tls1_prf_pkey_meth;
aacfb134 117extern const EVP_PKEY_METHOD hkdf_pkey_meth;
52ad5b60 118extern const EVP_PKEY_METHOD poly1305_pkey_meth;
3f5616d7 119extern const EVP_PKEY_METHOD siphash_pkey_meth;
2db6bf6f 120
567db2c1
RL		 121/* struct evp_mac_impl_st is defined by the implementation */
122typedef struct evp_mac_impl_st EVP_MAC_IMPL;
123struct evp_mac_st {
124 int type;
125 EVP_MAC_IMPL *(*new) (void);
7ed66e26 126 EVP_MAC_IMPL *(*dup) (const EVP_MAC_IMPL *macsrc);
567db2c1
RL		 127 void (*free) (EVP_MAC_IMPL *macctx);
128 size_t (*size) (EVP_MAC_IMPL *macctx);
129 int (*init) (EVP_MAC_IMPL *macctx);
130 int (*update) (EVP_MAC_IMPL *macctx, const unsigned char *data,
131 size_t datalen);
132 int (*final) (EVP_MAC_IMPL *macctx, unsigned char *out);
133 int (*ctrl) (EVP_MAC_IMPL *macctx, int cmd, va_list args);
134 int (*ctrl_str) (EVP_MAC_IMPL *macctx, const char *type, const char *value);
135};
136
c3a261f8 137extern const EVP_MAC blake2b_mac_meth;
33e113b0 138extern const EVP_MAC blake2s_mac_meth;
f71faf27 139extern const EVP_MAC cmac_meth;
afc580b9 140extern const EVP_MAC gmac_meth;
6723f867 141extern const EVP_MAC hmac_meth;
6e624a64
SL		 142extern const EVP_MAC kmac128_meth;
143extern const EVP_MAC kmac256_meth;
c89d9cda 144extern const EVP_MAC siphash_meth;
c1da4b2a 145extern const EVP_MAC poly1305_meth;
f71faf27 146
6e624a64
SL		 147/* Internal keccak algorithms used for KMAC */
148const EVP_MD *evp_keccak_kmac128(void);
149const EVP_MD *evp_keccak_kmac256(void);
150
567db2c1
RL		 151/*
152 * This function is internal for now, but can be made external when needed.
153 * The documentation would read:
154 *
155 * EVP_add_mac() adds the MAC implementation C<mac> to the internal
156 * object database.
157 */
158int EVP_add_mac(const EVP_MAC *mac);
d2ba8123 159int EVP_add_kdf(const EVP_KDF *kdf);
567db2c1 160
5a285add
DM		 161/* struct evp_kdf_impl_st is defined by the implementation */
162typedef struct evp_kdf_impl_st EVP_KDF_IMPL;
d2ba8123 163struct evp_kdf_st {
5a285add
DM		 164 int type;
165 EVP_KDF_IMPL *(*new) (void);
166 void (*free) (EVP_KDF_IMPL *impl);
167 void (*reset) (EVP_KDF_IMPL *impl);
168 int (*ctrl) (EVP_KDF_IMPL *impl, int cmd, va_list args);
169 int (*ctrl_str) (EVP_KDF_IMPL *impl, const char *type, const char *value);
170 size_t (*size) (EVP_KDF_IMPL *impl);
171 int (*derive) (EVP_KDF_IMPL *impl, unsigned char *key, size_t keylen);
d2ba8123 172};
5a285add 173
d2ba8123
SL		 174extern const EVP_KDF pbkdf2_kdf_meth;
175extern const EVP_KDF scrypt_kdf_meth;
176extern const EVP_KDF tls1_prf_kdf_meth;
177extern const EVP_KDF hkdf_kdf_meth;
178extern const EVP_KDF sshkdf_kdf_meth;
179extern const EVP_KDF ss_kdf_meth;
8bbeaaa4 180extern const EVP_KDF x963_kdf_meth;
1aec7716 181extern const EVP_KDF x942_kdf_meth;
5a285add 182
2db6bf6f 183struct evp_md_st {
3653d0c2 184 /* nid */
2db6bf6f 185 int type;
3653d0c2
MC		 186
187 /* Legacy structure members */
188 /* TODO(3.0): Remove these */
2db6bf6f
RL		 189 int pkey_type;
190 int md_size;
191 unsigned long flags;
192 int (*init) (EVP_MD_CTX *ctx);
193 int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count);
194 int (*final) (EVP_MD_CTX *ctx, unsigned char *md);
195 int (*copy) (EVP_MD_CTX *to, const EVP_MD_CTX *from);
196 int (*cleanup) (EVP_MD_CTX *ctx);
197 int block_size;
198 int ctx_size; /* how big does the ctx->md_data need to be */
199 /* control function */
200 int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
3653d0c2
MC		 201
202 /* New structure members */
203 /* TODO(3.0): Remove above comment when legacy has gone */
204 OSSL_PROVIDER *prov;
205 CRYPTO_REF_COUNT refcnt;
206 CRYPTO_RWLOCK *lock;
207 OSSL_OP_digest_newctx_fn *newctx;
208 OSSL_OP_digest_init_fn *dinit;
209 OSSL_OP_digest_update_fn *dupdate;
210 OSSL_OP_digest_final_fn *dfinal;
211 OSSL_OP_digest_digest_fn *digest;
212 OSSL_OP_digest_freectx_fn *freectx;
8c8cf0d9
MC		 213 OSSL_OP_digest_dupctx_fn *dupctx;
214 OSSL_OP_digest_size_fn *size;
7556b9df 215 OSSL_OP_digest_block_size_fn *dblock_size;
d5e5e2ff
SL		 216 OSSL_OP_digest_set_params_fn *set_params;
217 OSSL_OP_digest_get_params_fn *get_params;
3653d0c2 218
2db6bf6f
RL		 219} /* EVP_MD */ ;
220
e79f8773
RL		 221struct evp_cipher_st {
222 int nid;
df05f2ce 223
e79f8773
RL		 224 int block_size;
225 /* Default value for variable length ciphers */
226 int key_len;
227 int iv_len;
df05f2ce
MC		 228
229 /* Legacy structure members */
230 /* TODO(3.0): Remove these */
e79f8773
RL		 231 /* Various flags */
232 unsigned long flags;
233 /* init key */
234 int (*init) (EVP_CIPHER_CTX *ctx, const unsigned char *key,
235 const unsigned char *iv, int enc);
236 /* encrypt/decrypt data */
237 int (*do_cipher) (EVP_CIPHER_CTX *ctx, unsigned char *out,
238 const unsigned char *in, size_t inl);
239 /* cleanup ctx */
240 int (*cleanup) (EVP_CIPHER_CTX *);
241 /* how big ctx->cipher_data needs to be */
242 int ctx_size;
243 /* Populate a ASN1_TYPE with parameters */
244 int (*set_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *);
245 /* Get parameters from a ASN1_TYPE */
246 int (*get_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *);
247 /* Miscellaneous operations */
248 int (*ctrl) (EVP_CIPHER_CTX *, int type, int arg, void *ptr);
249 /* Application data */
250 void *app_data;
df05f2ce
MC		 251
252 /* New structure members */
253 /* TODO(3.0): Remove above comment when legacy has gone */
254 OSSL_PROVIDER *prov;
255 CRYPTO_REF_COUNT refcnt;
256 CRYPTO_RWLOCK *lock;
257 OSSL_OP_cipher_newctx_fn *newctx;
258 OSSL_OP_cipher_encrypt_init_fn *einit;
259 OSSL_OP_cipher_decrypt_init_fn *dinit;
260 OSSL_OP_cipher_update_fn *cupdate;
261 OSSL_OP_cipher_final_fn *cfinal;
718b133a 262 OSSL_OP_cipher_cipher_fn *ccipher;
df05f2ce
MC		 263 OSSL_OP_cipher_freectx_fn *freectx;
264 OSSL_OP_cipher_dupctx_fn *dupctx;
df05f2ce 265 OSSL_OP_cipher_get_params_fn *get_params;
718b133a
MC		 266 OSSL_OP_cipher_ctx_get_params_fn *ctx_get_params;
267 OSSL_OP_cipher_ctx_set_params_fn *ctx_set_params;
e79f8773
RL		 268} /* EVP_CIPHER */ ;
269
270/* Macros to code block cipher wrappers */
271
272/* Wrapper functions for each cipher mode */
273
44ab2dfd
MC		 274#define EVP_C_DATA(kstruct, ctx) \
275 ((kstruct *)EVP_CIPHER_CTX_get_cipher_data(ctx))
e79f8773
RL		 276
277#define BLOCK_CIPHER_ecb_loop() \
278 size_t i, bl; \
279 bl = EVP_CIPHER_CTX_cipher(ctx)->block_size; \
e8aa8b6c 280 if (inl < bl) return 1;\
e79f8773 281 inl -= bl; \
e8aa8b6c 282 for (i=0; i <= inl; i+=bl)
e79f8773
RL		 283
284#define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \
285static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
286{\
287 BLOCK_CIPHER_ecb_loop() \
288 cprefix##_ecb_encrypt(in + i, out + i, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_encrypting(ctx)); \
289 return 1;\
290}
291
292#define EVP_MAXCHUNK ((size_t)1<<(sizeof(long)*8-2))
293
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) \
296{\
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);\
301 inl-=EVP_MAXCHUNK;\
302 in +=EVP_MAXCHUNK;\
303 out+=EVP_MAXCHUNK;\
304 }\
305 if (inl) {\
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);\
309 }\
310 return 1;\
311}
312
313#define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \
314static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
315{\
316 while(inl>=EVP_MAXCHUNK) \
317 {\
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));\
319 inl-=EVP_MAXCHUNK;\
320 in +=EVP_MAXCHUNK;\
321 out+=EVP_MAXCHUNK;\
322 }\
323 if (inl)\
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));\
325 return 1;\
326}
327
328#define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \
329static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
330{\
e8aa8b6c
F		 331 size_t chunk = EVP_MAXCHUNK;\
332 if (cbits == 1) chunk >>= 3;\
333 if (inl < chunk) chunk = inl;\
334 while (inl && inl >= chunk)\
335 {\
336 int num = EVP_CIPHER_CTX_num(ctx);\
337 cprefix##_cfb##cbits##_encrypt(in, out, (long) \
338 ((cbits == 1) \
339 && !EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS) \
604e591e 340 ? chunk*8 : chunk), \
e8aa8b6c
F		 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);\
344 inl -= chunk;\
345 in += chunk;\
346 out += chunk;\
347 if (inl < chunk) chunk = inl;\
348 }\
349 return 1;\
e79f8773
RL		 350}
351
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)
357
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) \
361static const EVP_CIPHER cname##_##mode = { \
362 nid##_##nmode, block_size, key_len, iv_len, \
363 flags | EVP_CIPH_##MODE##_MODE, \
364 init_key, \
365 cname##_##mode##_cipher, \
366 cleanup, \
367 sizeof(kstruct), \
368 set_asn1, get_asn1,\
369 ctrl, \
370 NULL \
371}; \
372const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; }
373
374#define BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, \
375 iv_len, flags, init_key, cleanup, set_asn1, \
376 get_asn1, ctrl) \
377BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \
378 iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
379
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) \
383BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \
384 key_len, iv_len, flags, init_key, cleanup, set_asn1, \
385 get_asn1, ctrl)
386
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) \
390BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \
391 key_len, iv_len, flags, init_key, cleanup, set_asn1, \
392 get_asn1, ctrl)
393
394#define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, \
395 flags, init_key, cleanup, set_asn1, \
396 get_asn1, ctrl) \
397BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \
398 0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
399
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) \
403BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \
404 init_key, cleanup, set_asn1, get_asn1, ctrl) \
405BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \
406 flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
407BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \
408 flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
409BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \
410 init_key, cleanup, set_asn1, get_asn1, ctrl)
411
412/*-
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)\
416static const EVP_CIPHER cname##_cbc = {\
417 nid##_cbc, block_size, key_len, iv_len, \
418 flags | EVP_CIPH_CBC_MODE,\
419 init_key,\
420 cname##_cbc_cipher,\
421 cleanup,\
422 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
423 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
424 set_asn1, get_asn1,\
425 ctrl, \
426 NULL \
427};\
428const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\
429static const EVP_CIPHER cname##_cfb = {\
430 nid##_cfb64, 1, key_len, iv_len, \
431 flags | EVP_CIPH_CFB_MODE,\
432 init_key,\
433 cname##_cfb_cipher,\
434 cleanup,\
435 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
436 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
437 set_asn1, get_asn1,\
438 ctrl,\
439 NULL \
440};\
441const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\
442static const EVP_CIPHER cname##_ofb = {\
443 nid##_ofb64, 1, key_len, iv_len, \
444 flags | EVP_CIPH_OFB_MODE,\
445 init_key,\
446 cname##_ofb_cipher,\
447 cleanup,\
448 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
449 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
450 set_asn1, get_asn1,\
451 ctrl,\
452 NULL \
453};\
454const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\
455static const EVP_CIPHER cname##_ecb = {\
456 nid##_ecb, block_size, key_len, iv_len, \
457 flags | EVP_CIPH_ECB_MODE,\
458 init_key,\
459 cname##_ecb_cipher,\
460 cleanup,\
461 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
462 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
463 set_asn1, get_asn1,\
464 ctrl,\
465 NULL \
466};\
467const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; }
468*/
469
470#define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \
471 block_size, key_len, iv_len, cbits, \
472 flags, init_key, \
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, \
477 get_asn1, ctrl)
478
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)
485
3aeb9348 486
13735cfe
MC		 487# ifndef OPENSSL_NO_EC
488
489#define X25519_KEYLEN 32
490#define X448_KEYLEN 56
491#define ED448_KEYLEN 57
492
493#define MAX_KEYLEN ED448_KEYLEN
494
495typedef struct {
496 unsigned char pubkey[MAX_KEYLEN];
497 unsigned char *privkey;
498} ECX_KEY;
499
500#endif
501
3aeb9348
DSH		 502/*
503 * Type needs to be a bit field Sub-type needs to be for variations on the
504 * method, as in, can it do arbitrary encryption....
505 */
506struct evp_pkey_st {
a94a3e0d 507 /* == Legacy attributes == */
3aeb9348
DSH		 508 int type;
509 int save_type;
3aeb9348
DSH		 510 const EVP_PKEY_ASN1_METHOD *ameth;
511 ENGINE *engine;
d19b01ad 512 ENGINE *pmeth_engine; /* If not NULL public key ENGINE to use */
3aeb9348 513 union {
a4cb54d2 514 void *ptr;
3aeb9348
DSH		 515# ifndef OPENSSL_NO_RSA
516 struct rsa_st *rsa; /* RSA */
517# endif
518# ifndef OPENSSL_NO_DSA
519 struct dsa_st *dsa; /* DSA */
520# endif
521# ifndef OPENSSL_NO_DH
522 struct dh_st *dh; /* DH */
523# endif
524# ifndef OPENSSL_NO_EC
525 struct ec_key_st *ec; /* ECC */
13735cfe 526 ECX_KEY *ecx; /* X25519, X448, Ed25519, Ed448 */
3aeb9348
DSH		 527# endif
528 } pkey;
a94a3e0d
RL		 529
530 /* == Common attributes == */
531 CRYPTO_REF_COUNT references;
03273d61 532 CRYPTO_RWLOCK *lock;
a94a3e0d
RL		 533 STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
534 int save_parameters;
535
536 /* == Provider attributes == */
537 /*
538 * To support transparent export/import between providers that
539 * support the methods for it, and still not having to do the
540 * export/import every time a key is used, we maintain a cache
541 * of imported key, indexed by provider address.
542 * pkeys[0] is *always* the "original" key.
543 */
544 struct {
545 EVP_KEYMGMT *keymgmt;
546 void *provkey;
547 } pkeys[10];
3aeb9348 548} /* EVP_PKEY */ ;
7b9f8f7f
MC		 549
550
b3599dbb
MC		 551void openssl_add_all_ciphers_int(void);
552void openssl_add_all_digests_int(void);
0145dd32 553void openssl_add_all_macs_int(void);
d2ba8123 554void openssl_add_all_kdfs_int(void);
b3599dbb 555void evp_cleanup_int(void);
0822e89a 556void evp_app_cleanup_int(void);
9d6fcd42 557
46f4e1be 558/* Pulling defines out of C source files */
9d6fcd42
TS		 559
560#define EVP_RC4_KEY_SIZE 16
561#ifndef TLS1_1_VERSION
562# define TLS1_1_VERSION 0x0302
563#endif
c0804614
MC		 564
565void evp_encode_ctx_set_flags(EVP_ENCODE_CTX *ctx, unsigned int flags);
566
567/* EVP_ENCODE_CTX flags */
3fd59700
MC		 568/* Don't generate new lines when encoding */
569#define EVP_ENCODE_CTX_NO_NEWLINES 1
570/* Use the SRP base64 alphabet instead of the standard one */
571#define EVP_ENCODE_CTX_USE_SRP_ALPHABET 2
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