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OPENSSL_s390xcap.pod: list msa9 facility bit (155)
[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 */
6b9e3724 204 char *name;
3653d0c2
MC		 205 OSSL_PROVIDER *prov;
206 CRYPTO_REF_COUNT refcnt;
207 CRYPTO_RWLOCK *lock;
208 OSSL_OP_digest_newctx_fn *newctx;
209 OSSL_OP_digest_init_fn *dinit;
210 OSSL_OP_digest_update_fn *dupdate;
211 OSSL_OP_digest_final_fn *dfinal;
212 OSSL_OP_digest_digest_fn *digest;
213 OSSL_OP_digest_freectx_fn *freectx;
8c8cf0d9 214 OSSL_OP_digest_dupctx_fn *dupctx;
d5e5e2ff 215 OSSL_OP_digest_get_params_fn *get_params;
2893111f
RL		 216 OSSL_OP_digest_ctx_set_params_fn *ctx_set_params;
217 OSSL_OP_digest_ctx_get_params_fn *ctx_get_params;
ae3ff60e
RL		 218 OSSL_OP_digest_gettable_params_fn *gettable_params;
219 OSSL_OP_digest_settable_ctx_params_fn *settable_ctx_params;
220 OSSL_OP_digest_gettable_ctx_params_fn *gettable_ctx_params;
3653d0c2 221
2db6bf6f
RL		 222} /* EVP_MD */ ;
223
e79f8773
RL		 224struct evp_cipher_st {
225 int nid;
df05f2ce 226
e79f8773
RL		 227 int block_size;
228 /* Default value for variable length ciphers */
229 int key_len;
230 int iv_len;
df05f2ce
MC		 231
232 /* Legacy structure members */
233 /* TODO(3.0): Remove these */
e79f8773
RL		 234 /* Various flags */
235 unsigned long flags;
236 /* init key */
237 int (*init) (EVP_CIPHER_CTX *ctx, const unsigned char *key,
238 const unsigned char *iv, int enc);
239 /* encrypt/decrypt data */
240 int (*do_cipher) (EVP_CIPHER_CTX *ctx, unsigned char *out,
241 const unsigned char *in, size_t inl);
242 /* cleanup ctx */
243 int (*cleanup) (EVP_CIPHER_CTX *);
244 /* how big ctx->cipher_data needs to be */
245 int ctx_size;
246 /* Populate a ASN1_TYPE with parameters */
247 int (*set_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *);
248 /* Get parameters from a ASN1_TYPE */
249 int (*get_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *);
250 /* Miscellaneous operations */
251 int (*ctrl) (EVP_CIPHER_CTX *, int type, int arg, void *ptr);
252 /* Application data */
253 void *app_data;
df05f2ce
MC		 254
255 /* New structure members */
256 /* TODO(3.0): Remove above comment when legacy has gone */
6b9e3724 257 char *name;
df05f2ce
MC		 258 OSSL_PROVIDER *prov;
259 CRYPTO_REF_COUNT refcnt;
260 CRYPTO_RWLOCK *lock;
261 OSSL_OP_cipher_newctx_fn *newctx;
262 OSSL_OP_cipher_encrypt_init_fn *einit;
263 OSSL_OP_cipher_decrypt_init_fn *dinit;
264 OSSL_OP_cipher_update_fn *cupdate;
265 OSSL_OP_cipher_final_fn *cfinal;
718b133a 266 OSSL_OP_cipher_cipher_fn *ccipher;
df05f2ce
MC		 267 OSSL_OP_cipher_freectx_fn *freectx;
268 OSSL_OP_cipher_dupctx_fn *dupctx;
df05f2ce 269 OSSL_OP_cipher_get_params_fn *get_params;
718b133a
MC		 270 OSSL_OP_cipher_ctx_get_params_fn *ctx_get_params;
271 OSSL_OP_cipher_ctx_set_params_fn *ctx_set_params;
ae3ff60e
RL		 272 OSSL_OP_cipher_gettable_params_fn *gettable_params;
273 OSSL_OP_cipher_gettable_ctx_params_fn *gettable_ctx_params;
274 OSSL_OP_cipher_settable_ctx_params_fn *settable_ctx_params;
e79f8773
RL		 275} /* EVP_CIPHER */ ;
276
277/* Macros to code block cipher wrappers */
278
279/* Wrapper functions for each cipher mode */
280
44ab2dfd
MC		 281#define EVP_C_DATA(kstruct, ctx) \
282 ((kstruct *)EVP_CIPHER_CTX_get_cipher_data(ctx))
e79f8773
RL		 283
284#define BLOCK_CIPHER_ecb_loop() \
285 size_t i, bl; \
286 bl = EVP_CIPHER_CTX_cipher(ctx)->block_size; \
e8aa8b6c 287 if (inl < bl) return 1;\
e79f8773 288 inl -= bl; \
e8aa8b6c 289 for (i=0; i <= inl; i+=bl)
e79f8773
RL		 290
291#define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \
292static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
293{\
294 BLOCK_CIPHER_ecb_loop() \
295 cprefix##_ecb_encrypt(in + i, out + i, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_encrypting(ctx)); \
296 return 1;\
297}
298
299#define EVP_MAXCHUNK ((size_t)1<<(sizeof(long)*8-2))
300
301#define BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) \
302 static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
303{\
304 while(inl>=EVP_MAXCHUNK) {\
305 int num = EVP_CIPHER_CTX_num(ctx);\
306 cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), &num); \
307 EVP_CIPHER_CTX_set_num(ctx, num);\
308 inl-=EVP_MAXCHUNK;\
309 in +=EVP_MAXCHUNK;\
310 out+=EVP_MAXCHUNK;\
311 }\
312 if (inl) {\
313 int num = EVP_CIPHER_CTX_num(ctx);\
314 cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), &num); \
315 EVP_CIPHER_CTX_set_num(ctx, num);\
316 }\
317 return 1;\
318}
319
320#define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \
321static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
322{\
323 while(inl>=EVP_MAXCHUNK) \
324 {\
325 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));\
326 inl-=EVP_MAXCHUNK;\
327 in +=EVP_MAXCHUNK;\
328 out+=EVP_MAXCHUNK;\
329 }\
330 if (inl)\
331 cprefix##_cbc_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), EVP_CIPHER_CTX_encrypting(ctx));\
332 return 1;\
333}
334
335#define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \
336static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
337{\
e8aa8b6c
F		 338 size_t chunk = EVP_MAXCHUNK;\
339 if (cbits == 1) chunk >>= 3;\
340 if (inl < chunk) chunk = inl;\
341 while (inl && inl >= chunk)\
342 {\
343 int num = EVP_CIPHER_CTX_num(ctx);\
344 cprefix##_cfb##cbits##_encrypt(in, out, (long) \
345 ((cbits == 1) \
346 && !EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS) \
604e591e 347 ? chunk*8 : chunk), \
e8aa8b6c
F		 348 &EVP_C_DATA(kstruct, ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx),\
349 &num, EVP_CIPHER_CTX_encrypting(ctx));\
350 EVP_CIPHER_CTX_set_num(ctx, num);\
351 inl -= chunk;\
352 in += chunk;\
353 out += chunk;\
354 if (inl < chunk) chunk = inl;\
355 }\
356 return 1;\
e79f8773
RL		 357}
358
359#define BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \
360 BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \
361 BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \
362 BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \
363 BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched)
364
365#define BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, \
366 key_len, iv_len, flags, init_key, cleanup, \
367 set_asn1, get_asn1, ctrl) \
368static const EVP_CIPHER cname##_##mode = { \
369 nid##_##nmode, block_size, key_len, iv_len, \
370 flags | EVP_CIPH_##MODE##_MODE, \
371 init_key, \
372 cname##_##mode##_cipher, \
373 cleanup, \
374 sizeof(kstruct), \
375 set_asn1, get_asn1,\
376 ctrl, \
377 NULL \
378}; \
379const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; }
380
381#define BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, \
382 iv_len, flags, init_key, cleanup, set_asn1, \
383 get_asn1, ctrl) \
384BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \
385 iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
386
387#define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, \
388 iv_len, cbits, flags, init_key, cleanup, \
389 set_asn1, get_asn1, ctrl) \
390BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \
391 key_len, iv_len, flags, init_key, cleanup, set_asn1, \
392 get_asn1, ctrl)
393
394#define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \
395 iv_len, cbits, flags, init_key, cleanup, \
396 set_asn1, get_asn1, ctrl) \
397BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \
398 key_len, iv_len, flags, init_key, cleanup, set_asn1, \
399 get_asn1, ctrl)
400
401#define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, \
402 flags, init_key, cleanup, set_asn1, \
403 get_asn1, ctrl) \
404BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \
405 0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
406
407#define BLOCK_CIPHER_defs(cname, kstruct, \
408 nid, block_size, key_len, iv_len, cbits, flags, \
409 init_key, cleanup, set_asn1, get_asn1, ctrl) \
410BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \
411 init_key, cleanup, set_asn1, get_asn1, ctrl) \
412BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \
413 flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
414BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \
415 flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
416BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \
417 init_key, cleanup, set_asn1, get_asn1, ctrl)
418
419/*-
420#define BLOCK_CIPHER_defs(cname, kstruct, \
421 nid, block_size, key_len, iv_len, flags,\
422 init_key, cleanup, set_asn1, get_asn1, ctrl)\
423static const EVP_CIPHER cname##_cbc = {\
424 nid##_cbc, block_size, key_len, iv_len, \
425 flags | EVP_CIPH_CBC_MODE,\
426 init_key,\
427 cname##_cbc_cipher,\
428 cleanup,\
429 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
430 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
431 set_asn1, get_asn1,\
432 ctrl, \
433 NULL \
434};\
435const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\
436static const EVP_CIPHER cname##_cfb = {\
437 nid##_cfb64, 1, key_len, iv_len, \
438 flags | EVP_CIPH_CFB_MODE,\
439 init_key,\
440 cname##_cfb_cipher,\
441 cleanup,\
442 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
443 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
444 set_asn1, get_asn1,\
445 ctrl,\
446 NULL \
447};\
448const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\
449static const EVP_CIPHER cname##_ofb = {\
450 nid##_ofb64, 1, key_len, iv_len, \
451 flags | EVP_CIPH_OFB_MODE,\
452 init_key,\
453 cname##_ofb_cipher,\
454 cleanup,\
455 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
456 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
457 set_asn1, get_asn1,\
458 ctrl,\
459 NULL \
460};\
461const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\
462static const EVP_CIPHER cname##_ecb = {\
463 nid##_ecb, block_size, key_len, iv_len, \
464 flags | EVP_CIPH_ECB_MODE,\
465 init_key,\
466 cname##_ecb_cipher,\
467 cleanup,\
468 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
469 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
470 set_asn1, get_asn1,\
471 ctrl,\
472 NULL \
473};\
474const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; }
475*/
476
477#define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \
478 block_size, key_len, iv_len, cbits, \
479 flags, init_key, \
480 cleanup, set_asn1, get_asn1, ctrl) \
481 BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \
482 BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \
483 cbits, flags, init_key, cleanup, set_asn1, \
484 get_asn1, ctrl)
485
486#define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len,fl) \
487 BLOCK_CIPHER_func_cfb(cipher##_##keysize,cprefix,cbits,kstruct,ksched) \
488 BLOCK_CIPHER_def_cfb(cipher##_##keysize,kstruct, \
489 NID_##cipher##_##keysize, keysize/8, iv_len, cbits, \
490 (fl)|EVP_CIPH_FLAG_DEFAULT_ASN1, \
491 cipher##_init_key, NULL, NULL, NULL, NULL)
492
3aeb9348 493
13735cfe
MC		 494# ifndef OPENSSL_NO_EC
495
496#define X25519_KEYLEN 32
497#define X448_KEYLEN 56
498#define ED448_KEYLEN 57
499
500#define MAX_KEYLEN ED448_KEYLEN
501
502typedef struct {
503 unsigned char pubkey[MAX_KEYLEN];
504 unsigned char *privkey;
505} ECX_KEY;
506
507#endif
508
3aeb9348
DSH		 509/*
510 * Type needs to be a bit field Sub-type needs to be for variations on the
511 * method, as in, can it do arbitrary encryption....
512 */
513struct evp_pkey_st {
a94a3e0d 514 /* == Legacy attributes == */
3aeb9348
DSH		 515 int type;
516 int save_type;
3aeb9348
DSH		 517 const EVP_PKEY_ASN1_METHOD *ameth;
518 ENGINE *engine;
d19b01ad 519 ENGINE *pmeth_engine; /* If not NULL public key ENGINE to use */
3aeb9348 520 union {
a4cb54d2 521 void *ptr;
3aeb9348
DSH		 522# ifndef OPENSSL_NO_RSA
523 struct rsa_st *rsa; /* RSA */
524# endif
525# ifndef OPENSSL_NO_DSA
526 struct dsa_st *dsa; /* DSA */
527# endif
528# ifndef OPENSSL_NO_DH
529 struct dh_st *dh; /* DH */
530# endif
531# ifndef OPENSSL_NO_EC
532 struct ec_key_st *ec; /* ECC */
13735cfe 533 ECX_KEY *ecx; /* X25519, X448, Ed25519, Ed448 */
3aeb9348
DSH		 534# endif
535 } pkey;
a94a3e0d
RL		 536
537 /* == Common attributes == */
538 CRYPTO_REF_COUNT references;
03273d61 539 CRYPTO_RWLOCK *lock;
a94a3e0d
RL		 540 STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
541 int save_parameters;
542
543 /* == Provider attributes == */
544 /*
545 * To support transparent export/import between providers that
546 * support the methods for it, and still not having to do the
547 * export/import every time a key is used, we maintain a cache
548 * of imported key, indexed by provider address.
549 * pkeys[0] is *always* the "original" key.
550 */
551 struct {
552 EVP_KEYMGMT *keymgmt;
553 void *provkey;
554 } pkeys[10];
70a1f7b4
RL		 555 /*
556 * If there is a legacy key assigned to this structure, we keep
557 * a copy of that key's dirty count.
558 */
559 size_t dirty_cnt_copy;
3aeb9348 560} /* EVP_PKEY */ ;
7b9f8f7f
MC		 561
562
b3599dbb
MC		 563void openssl_add_all_ciphers_int(void);
564void openssl_add_all_digests_int(void);
0145dd32 565void openssl_add_all_macs_int(void);
d2ba8123 566void openssl_add_all_kdfs_int(void);
b3599dbb 567void evp_cleanup_int(void);
0822e89a 568void evp_app_cleanup_int(void);
9d6fcd42 569
4cae07fe 570/* KEYMGMT helper functions */
70a1f7b4 571void *evp_keymgmt_export_to_provider(EVP_PKEY *pk, EVP_KEYMGMT *keymgmt);
4cae07fe 572void evp_keymgmt_clear_pkey_cache(EVP_PKEY *pk);
70a1f7b4 573
fa9faf01
RL		 574/* KEYMGMT provider interface functions */
575void *evp_keymgmt_importdomparams(const EVP_KEYMGMT *keymgmt,
576 const OSSL_PARAM params[]);
577void *evp_keymgmt_gendomparams(const EVP_KEYMGMT *keymgmt,
578 const OSSL_PARAM params[]);
579void evp_keymgmt_freedomparams(const EVP_KEYMGMT *keymgmt,
580 void *provdomparams);
581int evp_keymgmt_exportdomparams(const EVP_KEYMGMT *keymgmt,
582 void *provdomparams, OSSL_PARAM params[]);
583const OSSL_PARAM *
584evp_keymgmt_importdomparam_types(const EVP_KEYMGMT *keymgmt);
585const OSSL_PARAM *
586evp_keymgmt_exportdomparam_types(const EVP_KEYMGMT *keymgmt);
587
588void *evp_keymgmt_importkey(const EVP_KEYMGMT *keymgmt,
589 const OSSL_PARAM params[]);
590void *evp_keymgmt_genkey(const EVP_KEYMGMT *keymgmt, void *domparams,
591 const OSSL_PARAM params[]);
592void *evp_keymgmt_loadkey(const EVP_KEYMGMT *keymgmt,
593 void *id, size_t idlen);
594void evp_keymgmt_freekey(const EVP_KEYMGMT *keymgmt, void *provkey);
595int evp_keymgmt_exportkey(const EVP_KEYMGMT *keymgmt,
596 void *provkey, OSSL_PARAM params[]);
597const OSSL_PARAM *evp_keymgmt_importkey_types(const EVP_KEYMGMT *keymgmt);
598const OSSL_PARAM *evp_keymgmt_exportkey_types(const EVP_KEYMGMT *keymgmt);
599
46f4e1be 600/* Pulling defines out of C source files */
9d6fcd42
TS		 601
602#define EVP_RC4_KEY_SIZE 16
603#ifndef TLS1_1_VERSION
604# define TLS1_1_VERSION 0x0302
605#endif
c0804614
MC		 606
607void evp_encode_ctx_set_flags(EVP_ENCODE_CTX *ctx, unsigned int flags);
608
609/* EVP_ENCODE_CTX flags */
3fd59700
MC		 610/* Don't generate new lines when encoding */
611#define EVP_ENCODE_CTX_NO_NEWLINES 1
612/* Use the SRP base64 alphabet instead of the standard one */
613#define EVP_ENCODE_CTX_USE_SRP_ALPHABET 2
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