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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 | 12 | #include "internal/refcount.h" |
4de88fe6 | 13 | #include "crypto/ecx.h" |
2f545ae4 | 14 | |
4803717f PY |
15 | /* |
16 | * Don't free up md_ctx->pctx in EVP_MD_CTX_reset, use the reserved flag | |
17 | * values in evp.h | |
18 | */ | |
19 | #define EVP_MD_CTX_FLAG_KEEP_PKEY_CTX 0x0400 | |
20 | ||
27af42f9 | 21 | struct evp_pkey_ctx_st { |
864b89ce MC |
22 | /* Actual operation */ |
23 | int operation; | |
24 | ||
3ee348b0 | 25 | /* |
f23bc0b7 | 26 | * Library context, Key type name and properties associated |
3ee348b0 RL |
27 | * with this context |
28 | */ | |
29 | OPENSSL_CTX *libctx; | |
f23bc0b7 | 30 | const char *keytype; |
a07c17ef RL |
31 | const char *propquery; |
32 | ||
c0e0984f RL |
33 | /* cached key manager */ |
34 | EVP_KEYMGMT *keymgmt; | |
35 | ||
864b89ce MC |
36 | union { |
37 | struct { | |
38 | EVP_KEYEXCH *exchange; | |
39 | void *exchprovctx; | |
40 | } kex; | |
ff64702b | 41 | |
864b89ce MC |
42 | struct { |
43 | EVP_SIGNATURE *signature; | |
44 | void *sigprovctx; | |
45 | } sig; | |
2c938e2e MC |
46 | |
47 | struct { | |
48 | EVP_ASYM_CIPHER *cipher; | |
49 | void *ciphprovctx; | |
50 | } ciph; | |
864b89ce | 51 | } op; |
dfcb5d29 | 52 | |
ff64702b MC |
53 | /* Legacy fields below */ |
54 | ||
27af42f9 DSH |
55 | /* Method associated with this operation */ |
56 | const EVP_PKEY_METHOD *pmeth; | |
57 | /* Engine that implements this method or NULL if builtin */ | |
58 | ENGINE *engine; | |
59 | /* Key: may be NULL */ | |
60 | EVP_PKEY *pkey; | |
61 | /* Peer key for key agreement, may be NULL */ | |
62 | EVP_PKEY *peerkey; | |
27af42f9 DSH |
63 | /* Algorithm specific data */ |
64 | void *data; | |
65 | /* Application specific data */ | |
66 | void *app_data; | |
67 | /* Keygen callback */ | |
68 | EVP_PKEY_gen_cb *pkey_gencb; | |
69 | /* implementation specific keygen data */ | |
70 | int *keygen_info; | |
71 | int keygen_info_count; | |
72 | } /* EVP_PKEY_CTX */ ; | |
73 | ||
74 | #define EVP_PKEY_FLAG_DYNAMIC 1 | |
75 | ||
76 | struct evp_pkey_method_st { | |
77 | int pkey_id; | |
78 | int flags; | |
79 | int (*init) (EVP_PKEY_CTX *ctx); | |
9fdcc21f | 80 | int (*copy) (EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src); |
27af42f9 DSH |
81 | void (*cleanup) (EVP_PKEY_CTX *ctx); |
82 | int (*paramgen_init) (EVP_PKEY_CTX *ctx); | |
83 | int (*paramgen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); | |
84 | int (*keygen_init) (EVP_PKEY_CTX *ctx); | |
85 | int (*keygen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); | |
86 | int (*sign_init) (EVP_PKEY_CTX *ctx); | |
87 | int (*sign) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, | |
88 | const unsigned char *tbs, size_t tbslen); | |
89 | int (*verify_init) (EVP_PKEY_CTX *ctx); | |
90 | int (*verify) (EVP_PKEY_CTX *ctx, | |
91 | const unsigned char *sig, size_t siglen, | |
92 | const unsigned char *tbs, size_t tbslen); | |
93 | int (*verify_recover_init) (EVP_PKEY_CTX *ctx); | |
94 | int (*verify_recover) (EVP_PKEY_CTX *ctx, | |
95 | unsigned char *rout, size_t *routlen, | |
96 | const unsigned char *sig, size_t siglen); | |
97 | int (*signctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); | |
98 | int (*signctx) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, | |
99 | EVP_MD_CTX *mctx); | |
100 | int (*verifyctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); | |
101 | int (*verifyctx) (EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen, | |
102 | EVP_MD_CTX *mctx); | |
103 | int (*encrypt_init) (EVP_PKEY_CTX *ctx); | |
104 | int (*encrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, | |
105 | const unsigned char *in, size_t inlen); | |
106 | int (*decrypt_init) (EVP_PKEY_CTX *ctx); | |
107 | int (*decrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, | |
108 | const unsigned char *in, size_t inlen); | |
109 | int (*derive_init) (EVP_PKEY_CTX *ctx); | |
110 | int (*derive) (EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen); | |
111 | int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, void *p2); | |
112 | int (*ctrl_str) (EVP_PKEY_CTX *ctx, const char *type, const char *value); | |
f723c98e DSH |
113 | int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen, |
114 | const unsigned char *tbs, size_t tbslen); | |
115 | int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig, | |
116 | size_t siglen, const unsigned char *tbs, | |
117 | size_t tbslen); | |
2aee35d3 | 118 | int (*check) (EVP_PKEY *pkey); |
b0004708 PY |
119 | int (*public_check) (EVP_PKEY *pkey); |
120 | int (*param_check) (EVP_PKEY *pkey); | |
0a8fdef7 PY |
121 | |
122 | int (*digest_custom) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); | |
27af42f9 DSH |
123 | } /* EVP_PKEY_METHOD */ ; |
124 | ||
a8eba56e | 125 | DEFINE_STACK_OF_CONST(EVP_PKEY_METHOD) |
4a1f3f27 | 126 | |
27af42f9 | 127 | void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx); |
8f463dbd | 128 | |
19bd1fa1 PS |
129 | const EVP_PKEY_METHOD *cmac_pkey_method(void); |
130 | const EVP_PKEY_METHOD *dh_pkey_method(void); | |
131 | const EVP_PKEY_METHOD *dhx_pkey_method(void); | |
132 | const EVP_PKEY_METHOD *dsa_pkey_method(void); | |
133 | const EVP_PKEY_METHOD *ec_pkey_method(void); | |
134 | const EVP_PKEY_METHOD *sm2_pkey_method(void); | |
135 | const EVP_PKEY_METHOD *ecx25519_pkey_method(void); | |
136 | const EVP_PKEY_METHOD *ecx448_pkey_method(void); | |
137 | const EVP_PKEY_METHOD *ed25519_pkey_method(void); | |
138 | const EVP_PKEY_METHOD *ed448_pkey_method(void); | |
139 | const EVP_PKEY_METHOD *hmac_pkey_method(void); | |
140 | const EVP_PKEY_METHOD *rsa_pkey_method(void); | |
141 | const EVP_PKEY_METHOD *rsa_pss_pkey_method(void); | |
142 | const EVP_PKEY_METHOD *scrypt_pkey_method(void); | |
143 | const EVP_PKEY_METHOD *tls1_prf_pkey_method(void); | |
144 | const EVP_PKEY_METHOD *hkdf_pkey_method(void); | |
145 | const EVP_PKEY_METHOD *poly1305_pkey_method(void); | |
146 | const EVP_PKEY_METHOD *siphash_pkey_method(void); | |
2db6bf6f | 147 | |
567db2c1 | 148 | struct evp_mac_st { |
e74bd290 | 149 | OSSL_PROVIDER *prov; |
f7c16d48 | 150 | int name_id; |
e74bd290 RL |
151 | |
152 | CRYPTO_REF_COUNT refcnt; | |
153 | CRYPTO_RWLOCK *lock; | |
154 | ||
155 | OSSL_OP_mac_newctx_fn *newctx; | |
156 | OSSL_OP_mac_dupctx_fn *dupctx; | |
157 | OSSL_OP_mac_freectx_fn *freectx; | |
158 | OSSL_OP_mac_size_fn *size; | |
159 | OSSL_OP_mac_init_fn *init; | |
160 | OSSL_OP_mac_update_fn *update; | |
161 | OSSL_OP_mac_final_fn *final; | |
162 | OSSL_OP_mac_gettable_params_fn *gettable_params; | |
163 | OSSL_OP_mac_gettable_ctx_params_fn *gettable_ctx_params; | |
164 | OSSL_OP_mac_settable_ctx_params_fn *settable_ctx_params; | |
165 | OSSL_OP_mac_get_params_fn *get_params; | |
92d9d0ae RL |
166 | OSSL_OP_mac_get_ctx_params_fn *get_ctx_params; |
167 | OSSL_OP_mac_set_ctx_params_fn *set_ctx_params; | |
567db2c1 RL |
168 | }; |
169 | ||
d2ba8123 | 170 | struct evp_kdf_st { |
fb9e6dd6 | 171 | OSSL_PROVIDER *prov; |
f7c16d48 | 172 | int name_id; |
fb9e6dd6 P |
173 | CRYPTO_REF_COUNT refcnt; |
174 | CRYPTO_RWLOCK *lock; | |
175 | ||
176 | OSSL_OP_kdf_newctx_fn *newctx; | |
177 | OSSL_OP_kdf_dupctx_fn *dupctx; | |
178 | OSSL_OP_kdf_freectx_fn *freectx; | |
179 | OSSL_OP_kdf_reset_fn *reset; | |
180 | OSSL_OP_kdf_derive_fn *derive; | |
181 | OSSL_OP_kdf_gettable_params_fn *gettable_params; | |
182 | OSSL_OP_kdf_gettable_ctx_params_fn *gettable_ctx_params; | |
183 | OSSL_OP_kdf_settable_ctx_params_fn *settable_ctx_params; | |
184 | OSSL_OP_kdf_get_params_fn *get_params; | |
185 | OSSL_OP_kdf_get_ctx_params_fn *get_ctx_params; | |
186 | OSSL_OP_kdf_set_ctx_params_fn *set_ctx_params; | |
d2ba8123 | 187 | }; |
5a285add | 188 | |
2db6bf6f | 189 | struct evp_md_st { |
3653d0c2 | 190 | /* nid */ |
2db6bf6f | 191 | int type; |
3653d0c2 MC |
192 | |
193 | /* Legacy structure members */ | |
194 | /* TODO(3.0): Remove these */ | |
2db6bf6f RL |
195 | int pkey_type; |
196 | int md_size; | |
197 | unsigned long flags; | |
198 | int (*init) (EVP_MD_CTX *ctx); | |
199 | int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count); | |
200 | int (*final) (EVP_MD_CTX *ctx, unsigned char *md); | |
201 | int (*copy) (EVP_MD_CTX *to, const EVP_MD_CTX *from); | |
202 | int (*cleanup) (EVP_MD_CTX *ctx); | |
203 | int block_size; | |
204 | int ctx_size; /* how big does the ctx->md_data need to be */ | |
205 | /* control function */ | |
206 | int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, void *p2); | |
3653d0c2 MC |
207 | |
208 | /* New structure members */ | |
209 | /* TODO(3.0): Remove above comment when legacy has gone */ | |
f7c16d48 | 210 | int name_id; |
3653d0c2 MC |
211 | OSSL_PROVIDER *prov; |
212 | CRYPTO_REF_COUNT refcnt; | |
213 | CRYPTO_RWLOCK *lock; | |
214 | OSSL_OP_digest_newctx_fn *newctx; | |
215 | OSSL_OP_digest_init_fn *dinit; | |
216 | OSSL_OP_digest_update_fn *dupdate; | |
217 | OSSL_OP_digest_final_fn *dfinal; | |
218 | OSSL_OP_digest_digest_fn *digest; | |
219 | OSSL_OP_digest_freectx_fn *freectx; | |
8c8cf0d9 | 220 | OSSL_OP_digest_dupctx_fn *dupctx; |
d5e5e2ff | 221 | OSSL_OP_digest_get_params_fn *get_params; |
92d9d0ae RL |
222 | OSSL_OP_digest_set_ctx_params_fn *set_ctx_params; |
223 | OSSL_OP_digest_get_ctx_params_fn *get_ctx_params; | |
ae3ff60e RL |
224 | OSSL_OP_digest_gettable_params_fn *gettable_params; |
225 | OSSL_OP_digest_settable_ctx_params_fn *settable_ctx_params; | |
226 | OSSL_OP_digest_gettable_ctx_params_fn *gettable_ctx_params; | |
3653d0c2 | 227 | |
2db6bf6f RL |
228 | } /* EVP_MD */ ; |
229 | ||
e79f8773 RL |
230 | struct evp_cipher_st { |
231 | int nid; | |
df05f2ce | 232 | |
e79f8773 RL |
233 | int block_size; |
234 | /* Default value for variable length ciphers */ | |
235 | int key_len; | |
236 | int iv_len; | |
df05f2ce MC |
237 | |
238 | /* Legacy structure members */ | |
239 | /* TODO(3.0): Remove these */ | |
e79f8773 RL |
240 | /* Various flags */ |
241 | unsigned long flags; | |
242 | /* init key */ | |
243 | int (*init) (EVP_CIPHER_CTX *ctx, const unsigned char *key, | |
244 | const unsigned char *iv, int enc); | |
245 | /* encrypt/decrypt data */ | |
246 | int (*do_cipher) (EVP_CIPHER_CTX *ctx, unsigned char *out, | |
247 | const unsigned char *in, size_t inl); | |
248 | /* cleanup ctx */ | |
249 | int (*cleanup) (EVP_CIPHER_CTX *); | |
250 | /* how big ctx->cipher_data needs to be */ | |
251 | int ctx_size; | |
252 | /* Populate a ASN1_TYPE with parameters */ | |
253 | int (*set_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *); | |
254 | /* Get parameters from a ASN1_TYPE */ | |
255 | int (*get_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *); | |
256 | /* Miscellaneous operations */ | |
257 | int (*ctrl) (EVP_CIPHER_CTX *, int type, int arg, void *ptr); | |
258 | /* Application data */ | |
259 | void *app_data; | |
df05f2ce MC |
260 | |
261 | /* New structure members */ | |
262 | /* TODO(3.0): Remove above comment when legacy has gone */ | |
f7c16d48 | 263 | int name_id; |
df05f2ce MC |
264 | OSSL_PROVIDER *prov; |
265 | CRYPTO_REF_COUNT refcnt; | |
266 | CRYPTO_RWLOCK *lock; | |
267 | OSSL_OP_cipher_newctx_fn *newctx; | |
268 | OSSL_OP_cipher_encrypt_init_fn *einit; | |
269 | OSSL_OP_cipher_decrypt_init_fn *dinit; | |
270 | OSSL_OP_cipher_update_fn *cupdate; | |
271 | OSSL_OP_cipher_final_fn *cfinal; | |
718b133a | 272 | OSSL_OP_cipher_cipher_fn *ccipher; |
df05f2ce MC |
273 | OSSL_OP_cipher_freectx_fn *freectx; |
274 | OSSL_OP_cipher_dupctx_fn *dupctx; | |
df05f2ce | 275 | OSSL_OP_cipher_get_params_fn *get_params; |
92d9d0ae RL |
276 | OSSL_OP_cipher_get_ctx_params_fn *get_ctx_params; |
277 | OSSL_OP_cipher_set_ctx_params_fn *set_ctx_params; | |
ae3ff60e RL |
278 | OSSL_OP_cipher_gettable_params_fn *gettable_params; |
279 | OSSL_OP_cipher_gettable_ctx_params_fn *gettable_ctx_params; | |
280 | OSSL_OP_cipher_settable_ctx_params_fn *settable_ctx_params; | |
e79f8773 RL |
281 | } /* EVP_CIPHER */ ; |
282 | ||
283 | /* Macros to code block cipher wrappers */ | |
284 | ||
285 | /* Wrapper functions for each cipher mode */ | |
286 | ||
44ab2dfd MC |
287 | #define EVP_C_DATA(kstruct, ctx) \ |
288 | ((kstruct *)EVP_CIPHER_CTX_get_cipher_data(ctx)) | |
e79f8773 RL |
289 | |
290 | #define BLOCK_CIPHER_ecb_loop() \ | |
291 | size_t i, bl; \ | |
292 | bl = EVP_CIPHER_CTX_cipher(ctx)->block_size; \ | |
e8aa8b6c | 293 | if (inl < bl) return 1;\ |
e79f8773 | 294 | inl -= bl; \ |
e8aa8b6c | 295 | for (i=0; i <= inl; i+=bl) |
e79f8773 RL |
296 | |
297 | #define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ | |
298 | static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
299 | {\ | |
300 | BLOCK_CIPHER_ecb_loop() \ | |
301 | cprefix##_ecb_encrypt(in + i, out + i, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_encrypting(ctx)); \ | |
302 | return 1;\ | |
303 | } | |
304 | ||
305 | #define EVP_MAXCHUNK ((size_t)1<<(sizeof(long)*8-2)) | |
306 | ||
307 | #define BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) \ | |
308 | static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
309 | {\ | |
310 | while(inl>=EVP_MAXCHUNK) {\ | |
311 | int num = EVP_CIPHER_CTX_num(ctx);\ | |
312 | cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), &num); \ | |
313 | EVP_CIPHER_CTX_set_num(ctx, num);\ | |
314 | inl-=EVP_MAXCHUNK;\ | |
315 | in +=EVP_MAXCHUNK;\ | |
316 | out+=EVP_MAXCHUNK;\ | |
317 | }\ | |
318 | if (inl) {\ | |
319 | int num = EVP_CIPHER_CTX_num(ctx);\ | |
320 | cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), &num); \ | |
321 | EVP_CIPHER_CTX_set_num(ctx, num);\ | |
322 | }\ | |
323 | return 1;\ | |
324 | } | |
325 | ||
326 | #define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ | |
327 | static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
328 | {\ | |
329 | while(inl>=EVP_MAXCHUNK) \ | |
330 | {\ | |
331 | 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));\ | |
332 | inl-=EVP_MAXCHUNK;\ | |
333 | in +=EVP_MAXCHUNK;\ | |
334 | out+=EVP_MAXCHUNK;\ | |
335 | }\ | |
336 | if (inl)\ | |
337 | cprefix##_cbc_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), EVP_CIPHER_CTX_encrypting(ctx));\ | |
338 | return 1;\ | |
339 | } | |
340 | ||
341 | #define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ | |
342 | static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
343 | {\ | |
e8aa8b6c F |
344 | size_t chunk = EVP_MAXCHUNK;\ |
345 | if (cbits == 1) chunk >>= 3;\ | |
346 | if (inl < chunk) chunk = inl;\ | |
347 | while (inl && inl >= chunk)\ | |
348 | {\ | |
349 | int num = EVP_CIPHER_CTX_num(ctx);\ | |
350 | cprefix##_cfb##cbits##_encrypt(in, out, (long) \ | |
351 | ((cbits == 1) \ | |
352 | && !EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS) \ | |
604e591e | 353 | ? chunk*8 : chunk), \ |
e8aa8b6c F |
354 | &EVP_C_DATA(kstruct, ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx),\ |
355 | &num, EVP_CIPHER_CTX_encrypting(ctx));\ | |
356 | EVP_CIPHER_CTX_set_num(ctx, num);\ | |
357 | inl -= chunk;\ | |
358 | in += chunk;\ | |
359 | out += chunk;\ | |
360 | if (inl < chunk) chunk = inl;\ | |
361 | }\ | |
362 | return 1;\ | |
e79f8773 RL |
363 | } |
364 | ||
365 | #define BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ | |
366 | BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ | |
367 | BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ | |
368 | BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ | |
369 | BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) | |
370 | ||
371 | #define BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, \ | |
372 | key_len, iv_len, flags, init_key, cleanup, \ | |
373 | set_asn1, get_asn1, ctrl) \ | |
374 | static const EVP_CIPHER cname##_##mode = { \ | |
375 | nid##_##nmode, block_size, key_len, iv_len, \ | |
376 | flags | EVP_CIPH_##MODE##_MODE, \ | |
377 | init_key, \ | |
378 | cname##_##mode##_cipher, \ | |
379 | cleanup, \ | |
380 | sizeof(kstruct), \ | |
381 | set_asn1, get_asn1,\ | |
382 | ctrl, \ | |
383 | NULL \ | |
384 | }; \ | |
385 | const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; } | |
386 | ||
387 | #define BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, \ | |
388 | iv_len, flags, init_key, cleanup, set_asn1, \ | |
389 | get_asn1, ctrl) \ | |
390 | BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \ | |
391 | iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) | |
392 | ||
393 | #define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, \ | |
394 | iv_len, cbits, flags, init_key, cleanup, \ | |
395 | set_asn1, get_asn1, ctrl) \ | |
396 | BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \ | |
397 | key_len, iv_len, flags, init_key, cleanup, set_asn1, \ | |
398 | get_asn1, ctrl) | |
399 | ||
400 | #define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \ | |
401 | iv_len, cbits, flags, init_key, cleanup, \ | |
402 | set_asn1, get_asn1, ctrl) \ | |
403 | BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \ | |
404 | key_len, iv_len, flags, init_key, cleanup, set_asn1, \ | |
405 | get_asn1, ctrl) | |
406 | ||
407 | #define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, \ | |
408 | flags, init_key, cleanup, set_asn1, \ | |
409 | get_asn1, ctrl) \ | |
410 | BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \ | |
411 | 0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) | |
412 | ||
413 | #define BLOCK_CIPHER_defs(cname, kstruct, \ | |
414 | nid, block_size, key_len, iv_len, cbits, flags, \ | |
415 | init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
416 | BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \ | |
417 | init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
418 | BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \ | |
419 | flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
420 | BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \ | |
421 | flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
422 | BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \ | |
423 | init_key, cleanup, set_asn1, get_asn1, ctrl) | |
424 | ||
425 | /*- | |
426 | #define BLOCK_CIPHER_defs(cname, kstruct, \ | |
427 | nid, block_size, key_len, iv_len, flags,\ | |
428 | init_key, cleanup, set_asn1, get_asn1, ctrl)\ | |
429 | static const EVP_CIPHER cname##_cbc = {\ | |
430 | nid##_cbc, block_size, key_len, iv_len, \ | |
431 | flags | EVP_CIPH_CBC_MODE,\ | |
432 | init_key,\ | |
433 | cname##_cbc_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 | };\ | |
441 | const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\ | |
442 | static const EVP_CIPHER cname##_cfb = {\ | |
443 | nid##_cfb64, 1, key_len, iv_len, \ | |
444 | flags | EVP_CIPH_CFB_MODE,\ | |
445 | init_key,\ | |
446 | cname##_cfb_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 | };\ | |
454 | const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\ | |
455 | static const EVP_CIPHER cname##_ofb = {\ | |
456 | nid##_ofb64, 1, key_len, iv_len, \ | |
457 | flags | EVP_CIPH_OFB_MODE,\ | |
458 | init_key,\ | |
459 | cname##_ofb_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 | };\ | |
467 | const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\ | |
468 | static const EVP_CIPHER cname##_ecb = {\ | |
469 | nid##_ecb, block_size, key_len, iv_len, \ | |
470 | flags | EVP_CIPH_ECB_MODE,\ | |
471 | init_key,\ | |
472 | cname##_ecb_cipher,\ | |
473 | cleanup,\ | |
474 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
475 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
476 | set_asn1, get_asn1,\ | |
477 | ctrl,\ | |
478 | NULL \ | |
479 | };\ | |
480 | const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; } | |
481 | */ | |
482 | ||
483 | #define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \ | |
484 | block_size, key_len, iv_len, cbits, \ | |
485 | flags, init_key, \ | |
486 | cleanup, set_asn1, get_asn1, ctrl) \ | |
487 | BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ | |
488 | BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \ | |
489 | cbits, flags, init_key, cleanup, set_asn1, \ | |
490 | get_asn1, ctrl) | |
491 | ||
492 | #define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len,fl) \ | |
493 | BLOCK_CIPHER_func_cfb(cipher##_##keysize,cprefix,cbits,kstruct,ksched) \ | |
494 | BLOCK_CIPHER_def_cfb(cipher##_##keysize,kstruct, \ | |
495 | NID_##cipher##_##keysize, keysize/8, iv_len, cbits, \ | |
496 | (fl)|EVP_CIPH_FLAG_DEFAULT_ASN1, \ | |
497 | cipher##_init_key, NULL, NULL, NULL, NULL) | |
498 | ||
3aeb9348 DSH |
499 | /* |
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.... | |
502 | */ | |
503 | struct evp_pkey_st { | |
a94a3e0d | 504 | /* == Legacy attributes == */ |
3aeb9348 DSH |
505 | int type; |
506 | int save_type; | |
3aeb9348 DSH |
507 | const EVP_PKEY_ASN1_METHOD *ameth; |
508 | ENGINE *engine; | |
d19b01ad | 509 | ENGINE *pmeth_engine; /* If not NULL public key ENGINE to use */ |
3aeb9348 | 510 | union { |
a4cb54d2 | 511 | void *ptr; |
3aeb9348 DSH |
512 | # ifndef OPENSSL_NO_RSA |
513 | struct rsa_st *rsa; /* RSA */ | |
514 | # endif | |
515 | # ifndef OPENSSL_NO_DSA | |
516 | struct dsa_st *dsa; /* DSA */ | |
517 | # endif | |
518 | # ifndef OPENSSL_NO_DH | |
519 | struct dh_st *dh; /* DH */ | |
520 | # endif | |
521 | # ifndef OPENSSL_NO_EC | |
522 | struct ec_key_st *ec; /* ECC */ | |
13735cfe | 523 | ECX_KEY *ecx; /* X25519, X448, Ed25519, Ed448 */ |
3aeb9348 DSH |
524 | # endif |
525 | } pkey; | |
a94a3e0d RL |
526 | |
527 | /* == Common attributes == */ | |
528 | CRYPTO_REF_COUNT references; | |
03273d61 | 529 | CRYPTO_RWLOCK *lock; |
a94a3e0d RL |
530 | STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */ |
531 | int save_parameters; | |
532 | ||
533 | /* == Provider attributes == */ | |
534 | /* | |
b305452f RL |
535 | * To support transparent export/import between providers that support |
536 | * the methods for it, and still not having to do the export/import | |
537 | * every time a key object is changed, we maintain a cache of imported | |
538 | * key objects, indexed by keymgmt address. pkeys[0] is *always* the | |
539 | * "original" data unless we have a legacy key attached. | |
a94a3e0d RL |
540 | */ |
541 | struct { | |
542 | EVP_KEYMGMT *keymgmt; | |
b305452f | 543 | void *keydata; |
a94a3e0d | 544 | } pkeys[10]; |
70a1f7b4 RL |
545 | /* |
546 | * If there is a legacy key assigned to this structure, we keep | |
547 | * a copy of that key's dirty count. | |
548 | */ | |
549 | size_t dirty_cnt_copy; | |
6508e858 | 550 | |
b305452f | 551 | /* Cache of key object information */ |
6508e858 RL |
552 | struct { |
553 | int bits; | |
554 | int security_bits; | |
555 | int size; | |
556 | } cache; | |
3aeb9348 | 557 | } /* EVP_PKEY */ ; |
7b9f8f7f | 558 | |
864b89ce MC |
559 | #define EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) \ |
560 | ((ctx)->operation == EVP_PKEY_OP_SIGN \ | |
561 | || (ctx)->operation == EVP_PKEY_OP_SIGNCTX \ | |
562 | || (ctx)->operation == EVP_PKEY_OP_VERIFY \ | |
563 | || (ctx)->operation == EVP_PKEY_OP_VERIFYCTX \ | |
564 | || (ctx)->operation == EVP_PKEY_OP_VERIFYRECOVER) | |
565 | ||
566 | #define EVP_PKEY_CTX_IS_DERIVE_OP(ctx) \ | |
567 | ((ctx)->operation == EVP_PKEY_OP_DERIVE) | |
7b9f8f7f | 568 | |
2c938e2e MC |
569 | #define EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) \ |
570 | ((ctx)->operation == EVP_PKEY_OP_ENCRYPT \ | |
571 | || (ctx)->operation == EVP_PKEY_OP_DECRYPT) | |
572 | ||
b3599dbb MC |
573 | void openssl_add_all_ciphers_int(void); |
574 | void openssl_add_all_digests_int(void); | |
575 | void evp_cleanup_int(void); | |
0822e89a | 576 | void evp_app_cleanup_int(void); |
9d6fcd42 | 577 | |
68552cde RL |
578 | /* |
579 | * KEYMGMT utility functions | |
580 | */ | |
b305452f | 581 | void *evp_keymgmt_util_export_to_provider(EVP_PKEY *pk, EVP_KEYMGMT *keymgmt); |
68552cde RL |
582 | void evp_keymgmt_util_clear_pkey_cache(EVP_PKEY *pk); |
583 | void evp_keymgmt_util_cache_pkey(EVP_PKEY *pk, size_t index, | |
b305452f | 584 | EVP_KEYMGMT *keymgmt, void *keydata); |
68552cde | 585 | void *evp_keymgmt_util_fromdata(EVP_PKEY *target, EVP_KEYMGMT *keymgmt, |
b305452f | 586 | int selection, const OSSL_PARAM params[]); |
46e2dd05 | 587 | |
70a1f7b4 | 588 | |
68552cde RL |
589 | /* |
590 | * KEYMGMT provider interface functions | |
591 | */ | |
b305452f RL |
592 | void *evp_keymgmt_newdata(const EVP_KEYMGMT *keymgmt); |
593 | void evp_keymgmt_freedata(const EVP_KEYMGMT *keymgmt, void *keyddata); | |
594 | int evp_keymgmt_get_params(const EVP_KEYMGMT *keymgmt, | |
595 | void *keydata, OSSL_PARAM params[]); | |
596 | const OSSL_PARAM *evp_keymgmt_gettable_params(const EVP_KEYMGMT *keymgmt); | |
597 | ||
598 | ||
599 | int evp_keymgmt_has(const EVP_KEYMGMT *keymgmt, void *keyddata, int selection); | |
600 | int evp_keymgmt_validate(const EVP_KEYMGMT *keymgmt, void *keydata, | |
601 | int selection); | |
602 | ||
603 | int evp_keymgmt_import(const EVP_KEYMGMT *keymgmt, void *keydata, | |
604 | int selection, const OSSL_PARAM params[]); | |
605 | const OSSL_PARAM *evp_keymgmt_import_types(const EVP_KEYMGMT *keymgmt, | |
606 | int selection); | |
607 | int evp_keymgmt_export(const EVP_KEYMGMT *keymgmt, void *keydata, | |
608 | int selection, OSSL_CALLBACK *param_cb, void *cbarg); | |
609 | const OSSL_PARAM *evp_keymgmt_export_types(const EVP_KEYMGMT *keymgmt, | |
610 | int selection); | |
12603de6 | 611 | |
46f4e1be | 612 | /* Pulling defines out of C source files */ |
9d6fcd42 TS |
613 | |
614 | #define EVP_RC4_KEY_SIZE 16 | |
615 | #ifndef TLS1_1_VERSION | |
616 | # define TLS1_1_VERSION 0x0302 | |
617 | #endif | |
c0804614 MC |
618 | |
619 | void evp_encode_ctx_set_flags(EVP_ENCODE_CTX *ctx, unsigned int flags); | |
620 | ||
621 | /* EVP_ENCODE_CTX flags */ | |
3fd59700 MC |
622 | /* Don't generate new lines when encoding */ |
623 | #define EVP_ENCODE_CTX_NO_NEWLINES 1 | |
624 | /* Use the SRP base64 alphabet instead of the standard one */ | |
625 | #define EVP_ENCODE_CTX_USE_SRP_ALPHABET 2 | |
7606bed9 MC |
626 | |
627 | const EVP_CIPHER *evp_get_cipherbyname_ex(OPENSSL_CTX *libctx, const char *name); | |
628 | const EVP_MD *evp_get_digestbyname_ex(OPENSSL_CTX *libctx, const char *name); | |
e683582b | 629 |