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27af42f9 | 1 | /* |
33388b44 | 2 | * Copyright 2015-2020 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 | /* |
4b9e90f4 RL |
26 | * Library context, property query, keytype and keymgmt associated with |
27 | * this context | |
3ee348b0 RL |
28 | */ |
29 | OPENSSL_CTX *libctx; | |
a07c17ef | 30 | const char *propquery; |
4b9e90f4 | 31 | const char *keytype; |
c0e0984f RL |
32 | EVP_KEYMGMT *keymgmt; |
33 | ||
864b89ce | 34 | union { |
62924755 RL |
35 | struct { |
36 | void *genctx; | |
37 | } keymgmt; | |
38 | ||
864b89ce MC |
39 | struct { |
40 | EVP_KEYEXCH *exchange; | |
41 | void *exchprovctx; | |
42 | } kex; | |
ff64702b | 43 | |
864b89ce MC |
44 | struct { |
45 | EVP_SIGNATURE *signature; | |
46 | void *sigprovctx; | |
47 | } sig; | |
2c938e2e MC |
48 | |
49 | struct { | |
50 | EVP_ASYM_CIPHER *cipher; | |
51 | void *ciphprovctx; | |
52 | } ciph; | |
864b89ce | 53 | } op; |
dfcb5d29 | 54 | |
62924755 RL |
55 | /* Application specific data, usually used by the callback */ |
56 | void *app_data; | |
57 | /* Keygen callback */ | |
58 | EVP_PKEY_gen_cb *pkey_gencb; | |
59 | /* implementation specific keygen data */ | |
60 | int *keygen_info; | |
61 | int keygen_info_count; | |
62 | ||
ff64702b MC |
63 | /* Legacy fields below */ |
64 | ||
27af42f9 DSH |
65 | /* Method associated with this operation */ |
66 | const EVP_PKEY_METHOD *pmeth; | |
67 | /* Engine that implements this method or NULL if builtin */ | |
68 | ENGINE *engine; | |
69 | /* Key: may be NULL */ | |
70 | EVP_PKEY *pkey; | |
71 | /* Peer key for key agreement, may be NULL */ | |
72 | EVP_PKEY *peerkey; | |
27af42f9 DSH |
73 | /* Algorithm specific data */ |
74 | void *data; | |
a5ce329e RL |
75 | /* Indicator if digest_custom needs to be called */ |
76 | unsigned int flag_call_digest_custom:1; | |
27af42f9 DSH |
77 | } /* EVP_PKEY_CTX */ ; |
78 | ||
79 | #define EVP_PKEY_FLAG_DYNAMIC 1 | |
80 | ||
81 | struct evp_pkey_method_st { | |
82 | int pkey_id; | |
83 | int flags; | |
84 | int (*init) (EVP_PKEY_CTX *ctx); | |
9fdcc21f | 85 | int (*copy) (EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src); |
27af42f9 DSH |
86 | void (*cleanup) (EVP_PKEY_CTX *ctx); |
87 | int (*paramgen_init) (EVP_PKEY_CTX *ctx); | |
88 | int (*paramgen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); | |
89 | int (*keygen_init) (EVP_PKEY_CTX *ctx); | |
90 | int (*keygen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); | |
91 | int (*sign_init) (EVP_PKEY_CTX *ctx); | |
92 | int (*sign) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, | |
93 | const unsigned char *tbs, size_t tbslen); | |
94 | int (*verify_init) (EVP_PKEY_CTX *ctx); | |
95 | int (*verify) (EVP_PKEY_CTX *ctx, | |
96 | const unsigned char *sig, size_t siglen, | |
97 | const unsigned char *tbs, size_t tbslen); | |
98 | int (*verify_recover_init) (EVP_PKEY_CTX *ctx); | |
99 | int (*verify_recover) (EVP_PKEY_CTX *ctx, | |
100 | unsigned char *rout, size_t *routlen, | |
101 | const unsigned char *sig, size_t siglen); | |
102 | int (*signctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); | |
103 | int (*signctx) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, | |
104 | EVP_MD_CTX *mctx); | |
105 | int (*verifyctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); | |
106 | int (*verifyctx) (EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen, | |
107 | EVP_MD_CTX *mctx); | |
108 | int (*encrypt_init) (EVP_PKEY_CTX *ctx); | |
109 | int (*encrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, | |
110 | const unsigned char *in, size_t inlen); | |
111 | int (*decrypt_init) (EVP_PKEY_CTX *ctx); | |
112 | int (*decrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, | |
113 | const unsigned char *in, size_t inlen); | |
114 | int (*derive_init) (EVP_PKEY_CTX *ctx); | |
115 | int (*derive) (EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen); | |
116 | int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, void *p2); | |
117 | int (*ctrl_str) (EVP_PKEY_CTX *ctx, const char *type, const char *value); | |
f723c98e DSH |
118 | int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen, |
119 | const unsigned char *tbs, size_t tbslen); | |
120 | int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig, | |
121 | size_t siglen, const unsigned char *tbs, | |
122 | size_t tbslen); | |
2aee35d3 | 123 | int (*check) (EVP_PKEY *pkey); |
b0004708 PY |
124 | int (*public_check) (EVP_PKEY *pkey); |
125 | int (*param_check) (EVP_PKEY *pkey); | |
0a8fdef7 PY |
126 | |
127 | int (*digest_custom) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); | |
27af42f9 DSH |
128 | } /* EVP_PKEY_METHOD */ ; |
129 | ||
a8eba56e | 130 | DEFINE_STACK_OF_CONST(EVP_PKEY_METHOD) |
4a1f3f27 | 131 | |
27af42f9 | 132 | void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx); |
8f463dbd | 133 | |
19bd1fa1 PS |
134 | const EVP_PKEY_METHOD *cmac_pkey_method(void); |
135 | const EVP_PKEY_METHOD *dh_pkey_method(void); | |
136 | const EVP_PKEY_METHOD *dhx_pkey_method(void); | |
137 | const EVP_PKEY_METHOD *dsa_pkey_method(void); | |
138 | const EVP_PKEY_METHOD *ec_pkey_method(void); | |
139 | const EVP_PKEY_METHOD *sm2_pkey_method(void); | |
140 | const EVP_PKEY_METHOD *ecx25519_pkey_method(void); | |
141 | const EVP_PKEY_METHOD *ecx448_pkey_method(void); | |
142 | const EVP_PKEY_METHOD *ed25519_pkey_method(void); | |
143 | const EVP_PKEY_METHOD *ed448_pkey_method(void); | |
144 | const EVP_PKEY_METHOD *hmac_pkey_method(void); | |
145 | const EVP_PKEY_METHOD *rsa_pkey_method(void); | |
146 | const EVP_PKEY_METHOD *rsa_pss_pkey_method(void); | |
147 | const EVP_PKEY_METHOD *scrypt_pkey_method(void); | |
148 | const EVP_PKEY_METHOD *tls1_prf_pkey_method(void); | |
149 | const EVP_PKEY_METHOD *hkdf_pkey_method(void); | |
150 | const EVP_PKEY_METHOD *poly1305_pkey_method(void); | |
151 | const EVP_PKEY_METHOD *siphash_pkey_method(void); | |
2db6bf6f | 152 | |
567db2c1 | 153 | struct evp_mac_st { |
e74bd290 | 154 | OSSL_PROVIDER *prov; |
f7c16d48 | 155 | int name_id; |
e74bd290 RL |
156 | |
157 | CRYPTO_REF_COUNT refcnt; | |
158 | CRYPTO_RWLOCK *lock; | |
159 | ||
160 | OSSL_OP_mac_newctx_fn *newctx; | |
161 | OSSL_OP_mac_dupctx_fn *dupctx; | |
162 | OSSL_OP_mac_freectx_fn *freectx; | |
163 | OSSL_OP_mac_size_fn *size; | |
164 | OSSL_OP_mac_init_fn *init; | |
165 | OSSL_OP_mac_update_fn *update; | |
166 | OSSL_OP_mac_final_fn *final; | |
167 | OSSL_OP_mac_gettable_params_fn *gettable_params; | |
168 | OSSL_OP_mac_gettable_ctx_params_fn *gettable_ctx_params; | |
169 | OSSL_OP_mac_settable_ctx_params_fn *settable_ctx_params; | |
170 | OSSL_OP_mac_get_params_fn *get_params; | |
92d9d0ae RL |
171 | OSSL_OP_mac_get_ctx_params_fn *get_ctx_params; |
172 | OSSL_OP_mac_set_ctx_params_fn *set_ctx_params; | |
567db2c1 RL |
173 | }; |
174 | ||
d2ba8123 | 175 | struct evp_kdf_st { |
fb9e6dd6 | 176 | OSSL_PROVIDER *prov; |
f7c16d48 | 177 | int name_id; |
fb9e6dd6 P |
178 | CRYPTO_REF_COUNT refcnt; |
179 | CRYPTO_RWLOCK *lock; | |
180 | ||
181 | OSSL_OP_kdf_newctx_fn *newctx; | |
182 | OSSL_OP_kdf_dupctx_fn *dupctx; | |
183 | OSSL_OP_kdf_freectx_fn *freectx; | |
184 | OSSL_OP_kdf_reset_fn *reset; | |
185 | OSSL_OP_kdf_derive_fn *derive; | |
186 | OSSL_OP_kdf_gettable_params_fn *gettable_params; | |
187 | OSSL_OP_kdf_gettable_ctx_params_fn *gettable_ctx_params; | |
188 | OSSL_OP_kdf_settable_ctx_params_fn *settable_ctx_params; | |
189 | OSSL_OP_kdf_get_params_fn *get_params; | |
190 | OSSL_OP_kdf_get_ctx_params_fn *get_ctx_params; | |
191 | OSSL_OP_kdf_set_ctx_params_fn *set_ctx_params; | |
d2ba8123 | 192 | }; |
5a285add | 193 | |
2db6bf6f | 194 | struct evp_md_st { |
3653d0c2 | 195 | /* nid */ |
2db6bf6f | 196 | int type; |
3653d0c2 MC |
197 | |
198 | /* Legacy structure members */ | |
199 | /* TODO(3.0): Remove these */ | |
2db6bf6f RL |
200 | int pkey_type; |
201 | int md_size; | |
202 | unsigned long flags; | |
203 | int (*init) (EVP_MD_CTX *ctx); | |
204 | int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count); | |
205 | int (*final) (EVP_MD_CTX *ctx, unsigned char *md); | |
206 | int (*copy) (EVP_MD_CTX *to, const EVP_MD_CTX *from); | |
207 | int (*cleanup) (EVP_MD_CTX *ctx); | |
208 | int block_size; | |
209 | int ctx_size; /* how big does the ctx->md_data need to be */ | |
210 | /* control function */ | |
211 | int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, void *p2); | |
3653d0c2 MC |
212 | |
213 | /* New structure members */ | |
214 | /* TODO(3.0): Remove above comment when legacy has gone */ | |
f7c16d48 | 215 | int name_id; |
3653d0c2 MC |
216 | OSSL_PROVIDER *prov; |
217 | CRYPTO_REF_COUNT refcnt; | |
218 | CRYPTO_RWLOCK *lock; | |
219 | OSSL_OP_digest_newctx_fn *newctx; | |
220 | OSSL_OP_digest_init_fn *dinit; | |
221 | OSSL_OP_digest_update_fn *dupdate; | |
222 | OSSL_OP_digest_final_fn *dfinal; | |
223 | OSSL_OP_digest_digest_fn *digest; | |
224 | OSSL_OP_digest_freectx_fn *freectx; | |
8c8cf0d9 | 225 | OSSL_OP_digest_dupctx_fn *dupctx; |
d5e5e2ff | 226 | OSSL_OP_digest_get_params_fn *get_params; |
92d9d0ae RL |
227 | OSSL_OP_digest_set_ctx_params_fn *set_ctx_params; |
228 | OSSL_OP_digest_get_ctx_params_fn *get_ctx_params; | |
ae3ff60e RL |
229 | OSSL_OP_digest_gettable_params_fn *gettable_params; |
230 | OSSL_OP_digest_settable_ctx_params_fn *settable_ctx_params; | |
231 | OSSL_OP_digest_gettable_ctx_params_fn *gettable_ctx_params; | |
3653d0c2 | 232 | |
2db6bf6f RL |
233 | } /* EVP_MD */ ; |
234 | ||
e79f8773 RL |
235 | struct evp_cipher_st { |
236 | int nid; | |
df05f2ce | 237 | |
e79f8773 RL |
238 | int block_size; |
239 | /* Default value for variable length ciphers */ | |
240 | int key_len; | |
241 | int iv_len; | |
df05f2ce MC |
242 | |
243 | /* Legacy structure members */ | |
244 | /* TODO(3.0): Remove these */ | |
e79f8773 RL |
245 | /* Various flags */ |
246 | unsigned long flags; | |
247 | /* init key */ | |
248 | int (*init) (EVP_CIPHER_CTX *ctx, const unsigned char *key, | |
249 | const unsigned char *iv, int enc); | |
250 | /* encrypt/decrypt data */ | |
251 | int (*do_cipher) (EVP_CIPHER_CTX *ctx, unsigned char *out, | |
252 | const unsigned char *in, size_t inl); | |
253 | /* cleanup ctx */ | |
254 | int (*cleanup) (EVP_CIPHER_CTX *); | |
255 | /* how big ctx->cipher_data needs to be */ | |
256 | int ctx_size; | |
257 | /* Populate a ASN1_TYPE with parameters */ | |
258 | int (*set_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *); | |
259 | /* Get parameters from a ASN1_TYPE */ | |
260 | int (*get_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *); | |
261 | /* Miscellaneous operations */ | |
262 | int (*ctrl) (EVP_CIPHER_CTX *, int type, int arg, void *ptr); | |
263 | /* Application data */ | |
264 | void *app_data; | |
df05f2ce MC |
265 | |
266 | /* New structure members */ | |
267 | /* TODO(3.0): Remove above comment when legacy has gone */ | |
f7c16d48 | 268 | int name_id; |
df05f2ce MC |
269 | OSSL_PROVIDER *prov; |
270 | CRYPTO_REF_COUNT refcnt; | |
271 | CRYPTO_RWLOCK *lock; | |
272 | OSSL_OP_cipher_newctx_fn *newctx; | |
273 | OSSL_OP_cipher_encrypt_init_fn *einit; | |
274 | OSSL_OP_cipher_decrypt_init_fn *dinit; | |
275 | OSSL_OP_cipher_update_fn *cupdate; | |
276 | OSSL_OP_cipher_final_fn *cfinal; | |
718b133a | 277 | OSSL_OP_cipher_cipher_fn *ccipher; |
df05f2ce MC |
278 | OSSL_OP_cipher_freectx_fn *freectx; |
279 | OSSL_OP_cipher_dupctx_fn *dupctx; | |
df05f2ce | 280 | OSSL_OP_cipher_get_params_fn *get_params; |
92d9d0ae RL |
281 | OSSL_OP_cipher_get_ctx_params_fn *get_ctx_params; |
282 | OSSL_OP_cipher_set_ctx_params_fn *set_ctx_params; | |
ae3ff60e RL |
283 | OSSL_OP_cipher_gettable_params_fn *gettable_params; |
284 | OSSL_OP_cipher_gettable_ctx_params_fn *gettable_ctx_params; | |
285 | OSSL_OP_cipher_settable_ctx_params_fn *settable_ctx_params; | |
e79f8773 RL |
286 | } /* EVP_CIPHER */ ; |
287 | ||
288 | /* Macros to code block cipher wrappers */ | |
289 | ||
290 | /* Wrapper functions for each cipher mode */ | |
291 | ||
44ab2dfd MC |
292 | #define EVP_C_DATA(kstruct, ctx) \ |
293 | ((kstruct *)EVP_CIPHER_CTX_get_cipher_data(ctx)) | |
e79f8773 RL |
294 | |
295 | #define BLOCK_CIPHER_ecb_loop() \ | |
296 | size_t i, bl; \ | |
297 | bl = EVP_CIPHER_CTX_cipher(ctx)->block_size; \ | |
e8aa8b6c | 298 | if (inl < bl) return 1;\ |
e79f8773 | 299 | inl -= bl; \ |
e8aa8b6c | 300 | for (i=0; i <= inl; i+=bl) |
e79f8773 RL |
301 | |
302 | #define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ | |
303 | static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
304 | {\ | |
305 | BLOCK_CIPHER_ecb_loop() \ | |
306 | cprefix##_ecb_encrypt(in + i, out + i, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_encrypting(ctx)); \ | |
307 | return 1;\ | |
308 | } | |
309 | ||
310 | #define EVP_MAXCHUNK ((size_t)1<<(sizeof(long)*8-2)) | |
311 | ||
312 | #define BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) \ | |
313 | static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
314 | {\ | |
315 | while(inl>=EVP_MAXCHUNK) {\ | |
316 | int num = EVP_CIPHER_CTX_num(ctx);\ | |
317 | cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), &num); \ | |
318 | EVP_CIPHER_CTX_set_num(ctx, num);\ | |
319 | inl-=EVP_MAXCHUNK;\ | |
320 | in +=EVP_MAXCHUNK;\ | |
321 | out+=EVP_MAXCHUNK;\ | |
322 | }\ | |
323 | if (inl) {\ | |
324 | int num = EVP_CIPHER_CTX_num(ctx);\ | |
325 | cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), &num); \ | |
326 | EVP_CIPHER_CTX_set_num(ctx, num);\ | |
327 | }\ | |
328 | return 1;\ | |
329 | } | |
330 | ||
331 | #define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ | |
332 | static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
333 | {\ | |
334 | while(inl>=EVP_MAXCHUNK) \ | |
335 | {\ | |
336 | 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));\ | |
337 | inl-=EVP_MAXCHUNK;\ | |
338 | in +=EVP_MAXCHUNK;\ | |
339 | out+=EVP_MAXCHUNK;\ | |
340 | }\ | |
341 | if (inl)\ | |
342 | cprefix##_cbc_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), EVP_CIPHER_CTX_encrypting(ctx));\ | |
343 | return 1;\ | |
344 | } | |
345 | ||
346 | #define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ | |
347 | static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ | |
348 | {\ | |
e8aa8b6c F |
349 | size_t chunk = EVP_MAXCHUNK;\ |
350 | if (cbits == 1) chunk >>= 3;\ | |
351 | if (inl < chunk) chunk = inl;\ | |
352 | while (inl && inl >= chunk)\ | |
353 | {\ | |
354 | int num = EVP_CIPHER_CTX_num(ctx);\ | |
355 | cprefix##_cfb##cbits##_encrypt(in, out, (long) \ | |
356 | ((cbits == 1) \ | |
357 | && !EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS) \ | |
604e591e | 358 | ? chunk*8 : chunk), \ |
e8aa8b6c F |
359 | &EVP_C_DATA(kstruct, ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx),\ |
360 | &num, EVP_CIPHER_CTX_encrypting(ctx));\ | |
361 | EVP_CIPHER_CTX_set_num(ctx, num);\ | |
362 | inl -= chunk;\ | |
363 | in += chunk;\ | |
364 | out += chunk;\ | |
365 | if (inl < chunk) chunk = inl;\ | |
366 | }\ | |
367 | return 1;\ | |
e79f8773 RL |
368 | } |
369 | ||
370 | #define BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ | |
371 | BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ | |
372 | BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ | |
373 | BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ | |
374 | BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) | |
375 | ||
376 | #define BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, \ | |
377 | key_len, iv_len, flags, init_key, cleanup, \ | |
378 | set_asn1, get_asn1, ctrl) \ | |
379 | static const EVP_CIPHER cname##_##mode = { \ | |
380 | nid##_##nmode, block_size, key_len, iv_len, \ | |
381 | flags | EVP_CIPH_##MODE##_MODE, \ | |
382 | init_key, \ | |
383 | cname##_##mode##_cipher, \ | |
384 | cleanup, \ | |
385 | sizeof(kstruct), \ | |
386 | set_asn1, get_asn1,\ | |
387 | ctrl, \ | |
388 | NULL \ | |
389 | }; \ | |
390 | const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; } | |
391 | ||
392 | #define BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, \ | |
393 | iv_len, flags, init_key, cleanup, set_asn1, \ | |
394 | get_asn1, ctrl) \ | |
395 | BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \ | |
396 | iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) | |
397 | ||
398 | #define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, \ | |
399 | iv_len, cbits, flags, init_key, cleanup, \ | |
400 | set_asn1, get_asn1, ctrl) \ | |
401 | BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \ | |
402 | key_len, iv_len, flags, init_key, cleanup, set_asn1, \ | |
403 | get_asn1, ctrl) | |
404 | ||
405 | #define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \ | |
406 | iv_len, cbits, flags, init_key, cleanup, \ | |
407 | set_asn1, get_asn1, ctrl) \ | |
408 | BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \ | |
409 | key_len, iv_len, flags, init_key, cleanup, set_asn1, \ | |
410 | get_asn1, ctrl) | |
411 | ||
412 | #define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, \ | |
413 | flags, init_key, cleanup, set_asn1, \ | |
414 | get_asn1, ctrl) \ | |
415 | BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \ | |
416 | 0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) | |
417 | ||
418 | #define BLOCK_CIPHER_defs(cname, kstruct, \ | |
419 | nid, block_size, key_len, iv_len, cbits, flags, \ | |
420 | init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
421 | BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \ | |
422 | init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
423 | BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \ | |
424 | flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
425 | BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \ | |
426 | flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ | |
427 | BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \ | |
428 | init_key, cleanup, set_asn1, get_asn1, ctrl) | |
429 | ||
430 | /*- | |
431 | #define BLOCK_CIPHER_defs(cname, kstruct, \ | |
432 | nid, block_size, key_len, iv_len, flags,\ | |
433 | init_key, cleanup, set_asn1, get_asn1, ctrl)\ | |
434 | static const EVP_CIPHER cname##_cbc = {\ | |
435 | nid##_cbc, block_size, key_len, iv_len, \ | |
436 | flags | EVP_CIPH_CBC_MODE,\ | |
437 | init_key,\ | |
438 | cname##_cbc_cipher,\ | |
439 | cleanup,\ | |
440 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
441 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
442 | set_asn1, get_asn1,\ | |
443 | ctrl, \ | |
444 | NULL \ | |
445 | };\ | |
446 | const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\ | |
447 | static const EVP_CIPHER cname##_cfb = {\ | |
448 | nid##_cfb64, 1, key_len, iv_len, \ | |
449 | flags | EVP_CIPH_CFB_MODE,\ | |
450 | init_key,\ | |
451 | cname##_cfb_cipher,\ | |
452 | cleanup,\ | |
453 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
454 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
455 | set_asn1, get_asn1,\ | |
456 | ctrl,\ | |
457 | NULL \ | |
458 | };\ | |
459 | const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\ | |
460 | static const EVP_CIPHER cname##_ofb = {\ | |
461 | nid##_ofb64, 1, key_len, iv_len, \ | |
462 | flags | EVP_CIPH_OFB_MODE,\ | |
463 | init_key,\ | |
464 | cname##_ofb_cipher,\ | |
465 | cleanup,\ | |
466 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
467 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
468 | set_asn1, get_asn1,\ | |
469 | ctrl,\ | |
470 | NULL \ | |
471 | };\ | |
472 | const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\ | |
473 | static const EVP_CIPHER cname##_ecb = {\ | |
474 | nid##_ecb, block_size, key_len, iv_len, \ | |
475 | flags | EVP_CIPH_ECB_MODE,\ | |
476 | init_key,\ | |
477 | cname##_ecb_cipher,\ | |
478 | cleanup,\ | |
479 | sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ | |
480 | sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ | |
481 | set_asn1, get_asn1,\ | |
482 | ctrl,\ | |
483 | NULL \ | |
484 | };\ | |
485 | const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; } | |
486 | */ | |
487 | ||
488 | #define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \ | |
489 | block_size, key_len, iv_len, cbits, \ | |
490 | flags, init_key, \ | |
491 | cleanup, set_asn1, get_asn1, ctrl) \ | |
492 | BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ | |
493 | BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \ | |
494 | cbits, flags, init_key, cleanup, set_asn1, \ | |
495 | get_asn1, ctrl) | |
496 | ||
497 | #define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len,fl) \ | |
498 | BLOCK_CIPHER_func_cfb(cipher##_##keysize,cprefix,cbits,kstruct,ksched) \ | |
499 | BLOCK_CIPHER_def_cfb(cipher##_##keysize,kstruct, \ | |
500 | NID_##cipher##_##keysize, keysize/8, iv_len, cbits, \ | |
501 | (fl)|EVP_CIPH_FLAG_DEFAULT_ASN1, \ | |
502 | cipher##_init_key, NULL, NULL, NULL, NULL) | |
503 | ||
3aeb9348 | 504 | /* |
adc9f731 RL |
505 | * An EVP_PKEY can have the following states: |
506 | * | |
507 | * untyped & empty: | |
508 | * | |
509 | * type == EVP_PKEY_NONE && keymgmt == NULL | |
510 | * | |
511 | * typed & empty: | |
512 | * | |
513 | * (type != EVP_PKEY_NONE && pkey.ptr == NULL) ## legacy (libcrypto only) | |
514 | * || (keymgmt != NULL && keydata == NULL) ## provider side | |
515 | * | |
516 | * fully assigned: | |
517 | * | |
518 | * (type != EVP_PKEY_NONE && pkey.ptr != NULL) ## legacy (libcrypto only) | |
519 | * || (keymgmt != NULL && keydata != NULL) ## provider side | |
520 | * | |
521 | * The easiest way to detect a legacy key is: type != EVP_PKEY_NONE | |
522 | * The easiest way to detect a provider side key is: keymgmt != NULL | |
3aeb9348 DSH |
523 | */ |
524 | struct evp_pkey_st { | |
a94a3e0d | 525 | /* == Legacy attributes == */ |
3aeb9348 DSH |
526 | int type; |
527 | int save_type; | |
3c6ed955 | 528 | |
f844f9eb | 529 | # ifndef FIPS_MODULE |
3c6ed955 RL |
530 | /* |
531 | * Legacy key "origin" is composed of a pointer to an EVP_PKEY_ASN1_METHOD, | |
532 | * a pointer to a low level key and possibly a pointer to an engine. | |
533 | */ | |
3aeb9348 DSH |
534 | const EVP_PKEY_ASN1_METHOD *ameth; |
535 | ENGINE *engine; | |
d19b01ad | 536 | ENGINE *pmeth_engine; /* If not NULL public key ENGINE to use */ |
3aeb9348 | 537 | union { |
a4cb54d2 | 538 | void *ptr; |
adc9f731 | 539 | # ifndef OPENSSL_NO_RSA |
3aeb9348 | 540 | struct rsa_st *rsa; /* RSA */ |
adc9f731 RL |
541 | # endif |
542 | # ifndef OPENSSL_NO_DSA | |
3aeb9348 | 543 | struct dsa_st *dsa; /* DSA */ |
adc9f731 RL |
544 | # endif |
545 | # ifndef OPENSSL_NO_DH | |
3aeb9348 | 546 | struct dh_st *dh; /* DH */ |
adc9f731 RL |
547 | # endif |
548 | # ifndef OPENSSL_NO_EC | |
3aeb9348 | 549 | struct ec_key_st *ec; /* ECC */ |
13735cfe | 550 | ECX_KEY *ecx; /* X25519, X448, Ed25519, Ed448 */ |
adc9f731 | 551 | # endif |
3aeb9348 | 552 | } pkey; |
adc9f731 | 553 | # endif |
a94a3e0d RL |
554 | |
555 | /* == Common attributes == */ | |
556 | CRYPTO_REF_COUNT references; | |
03273d61 | 557 | CRYPTO_RWLOCK *lock; |
a94a3e0d RL |
558 | STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */ |
559 | int save_parameters; | |
f844f9eb | 560 | #ifndef FIPS_MODULE |
ff1f7cde AT |
561 | CRYPTO_EX_DATA ex_data; |
562 | #endif | |
a94a3e0d RL |
563 | |
564 | /* == Provider attributes == */ | |
3c6ed955 RL |
565 | |
566 | /* | |
567 | * Provider keydata "origin" is composed of a pointer to an EVP_KEYMGMT | |
568 | * and a pointer to the provider side key data. This is never used at | |
569 | * the same time as the legacy key data above. | |
570 | */ | |
571 | EVP_KEYMGMT *keymgmt; | |
572 | void *keydata; | |
573 | /* | |
574 | * If any libcrypto code does anything that may modify the keydata | |
575 | * contents, this dirty counter must be incremented. | |
576 | */ | |
577 | size_t dirty_cnt; | |
578 | ||
a94a3e0d | 579 | /* |
3c6ed955 RL |
580 | * To support transparent execution of operation in backends other |
581 | * than the "origin" key, we support transparent export/import to | |
582 | * those providers, and maintain a cache of the imported keydata, | |
583 | * so we don't need to redo the export/import every time we perform | |
584 | * the same operation in that same provider. | |
585 | * This requires that the "origin" backend (whether it's a legacy or a | |
586 | * provider "origin") implements exports, and that the target provider | |
587 | * has an EVP_KEYMGMT that implements import. | |
588 | * | |
589 | * The cache limit is set at 10 different providers using the same | |
590 | * "origin". It's probably over the top, but is preferable to too | |
591 | * few. | |
a94a3e0d RL |
592 | */ |
593 | struct { | |
594 | EVP_KEYMGMT *keymgmt; | |
b305452f | 595 | void *keydata; |
3c6ed955 | 596 | } operation_cache[10]; |
70a1f7b4 | 597 | /* |
3c6ed955 RL |
598 | * We keep a copy of that "origin"'s dirty count, so we know if the |
599 | * operation cache needs flushing. | |
70a1f7b4 RL |
600 | */ |
601 | size_t dirty_cnt_copy; | |
6508e858 | 602 | |
b305452f | 603 | /* Cache of key object information */ |
6508e858 RL |
604 | struct { |
605 | int bits; | |
606 | int security_bits; | |
607 | int size; | |
608 | } cache; | |
3aeb9348 | 609 | } /* EVP_PKEY */ ; |
7b9f8f7f | 610 | |
864b89ce MC |
611 | #define EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) \ |
612 | ((ctx)->operation == EVP_PKEY_OP_SIGN \ | |
613 | || (ctx)->operation == EVP_PKEY_OP_SIGNCTX \ | |
614 | || (ctx)->operation == EVP_PKEY_OP_VERIFY \ | |
615 | || (ctx)->operation == EVP_PKEY_OP_VERIFYCTX \ | |
616 | || (ctx)->operation == EVP_PKEY_OP_VERIFYRECOVER) | |
617 | ||
618 | #define EVP_PKEY_CTX_IS_DERIVE_OP(ctx) \ | |
619 | ((ctx)->operation == EVP_PKEY_OP_DERIVE) | |
7b9f8f7f | 620 | |
2c938e2e MC |
621 | #define EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) \ |
622 | ((ctx)->operation == EVP_PKEY_OP_ENCRYPT \ | |
623 | || (ctx)->operation == EVP_PKEY_OP_DECRYPT) | |
624 | ||
62924755 RL |
625 | #define EVP_PKEY_CTX_IS_GEN_OP(ctx) \ |
626 | ((ctx)->operation == EVP_PKEY_OP_PARAMGEN \ | |
627 | || (ctx)->operation == EVP_PKEY_OP_KEYGEN) | |
628 | ||
b3599dbb MC |
629 | void openssl_add_all_ciphers_int(void); |
630 | void openssl_add_all_digests_int(void); | |
631 | void evp_cleanup_int(void); | |
0822e89a | 632 | void evp_app_cleanup_int(void); |
3c6ed955 RL |
633 | void *evp_pkey_export_to_provider(EVP_PKEY *pk, OPENSSL_CTX *libctx, |
634 | EVP_KEYMGMT **keymgmt, | |
635 | const char *propquery); | |
f844f9eb | 636 | #ifndef FIPS_MODULE |
acb90ba8 | 637 | int evp_pkey_downgrade(EVP_PKEY *pk); |
62924755 RL |
638 | void evp_pkey_free_legacy(EVP_PKEY *x); |
639 | #endif | |
9d6fcd42 | 640 | |
68552cde RL |
641 | /* |
642 | * KEYMGMT utility functions | |
643 | */ | |
b305452f | 644 | void *evp_keymgmt_util_export_to_provider(EVP_PKEY *pk, EVP_KEYMGMT *keymgmt); |
3c6ed955 RL |
645 | size_t evp_keymgmt_util_find_operation_cache_index(EVP_PKEY *pk, |
646 | EVP_KEYMGMT *keymgmt); | |
647 | void evp_keymgmt_util_clear_operation_cache(EVP_PKEY *pk); | |
648 | int evp_keymgmt_util_cache_keydata(EVP_PKEY *pk, size_t index, | |
649 | EVP_KEYMGMT *keymgmt, void *keydata); | |
650 | void evp_keymgmt_util_cache_keyinfo(EVP_PKEY *pk); | |
68552cde | 651 | void *evp_keymgmt_util_fromdata(EVP_PKEY *target, EVP_KEYMGMT *keymgmt, |
b305452f | 652 | int selection, const OSSL_PARAM params[]); |
157ded39 | 653 | int evp_keymgmt_util_has(EVP_PKEY *pk, int selection); |
1e9101c4 | 654 | int evp_keymgmt_util_match(EVP_PKEY *pk1, EVP_PKEY *pk2, int selection); |
ff3b59e1 | 655 | int evp_keymgmt_util_copy(EVP_PKEY *to, EVP_PKEY *from, int selection); |
62924755 RL |
656 | void *evp_keymgmt_util_gen(EVP_PKEY *target, EVP_KEYMGMT *keymgmt, |
657 | void *genctx, OSSL_CALLBACK *cb, void *cbarg); | |
3b924da0 RL |
658 | int evp_keymgmt_util_get_deflt_digest_name(EVP_KEYMGMT *keymgmt, |
659 | void *keydata, | |
660 | char *mdname, size_t mdname_sz); | |
70a1f7b4 | 661 | |
68552cde RL |
662 | /* |
663 | * KEYMGMT provider interface functions | |
664 | */ | |
b305452f RL |
665 | void *evp_keymgmt_newdata(const EVP_KEYMGMT *keymgmt); |
666 | void evp_keymgmt_freedata(const EVP_KEYMGMT *keymgmt, void *keyddata); | |
667 | int evp_keymgmt_get_params(const EVP_KEYMGMT *keymgmt, | |
668 | void *keydata, OSSL_PARAM params[]); | |
669 | const OSSL_PARAM *evp_keymgmt_gettable_params(const EVP_KEYMGMT *keymgmt); | |
4fe54d67 NT |
670 | int evp_keymgmt_set_params(const EVP_KEYMGMT *keymgmt, |
671 | void *keydata, const OSSL_PARAM params[]); | |
672 | const OSSL_PARAM *evp_keymgmt_settable_params(const EVP_KEYMGMT *keymgmt); | |
b305452f | 673 | |
1a5632e0 RL |
674 | void *evp_keymgmt_gen_init(const EVP_KEYMGMT *keymgmt, int selection); |
675 | int evp_keymgmt_gen_set_template(const EVP_KEYMGMT *keymgmt, void *genctx, | |
676 | void *template); | |
677 | int evp_keymgmt_gen_set_params(const EVP_KEYMGMT *keymgmt, void *genctx, | |
678 | const OSSL_PARAM params[]); | |
679 | const OSSL_PARAM * | |
680 | evp_keymgmt_gen_settable_params(const EVP_KEYMGMT *keymgmt); | |
681 | void *evp_keymgmt_gen(const EVP_KEYMGMT *keymgmt, void *genctx, | |
682 | OSSL_CALLBACK *cb, void *cbarg); | |
683 | void evp_keymgmt_gen_cleanup(const EVP_KEYMGMT *keymgmt, void *genctx); | |
b305452f RL |
684 | |
685 | int evp_keymgmt_has(const EVP_KEYMGMT *keymgmt, void *keyddata, int selection); | |
686 | int evp_keymgmt_validate(const EVP_KEYMGMT *keymgmt, void *keydata, | |
687 | int selection); | |
bee5d6cd RL |
688 | int evp_keymgmt_match(const EVP_KEYMGMT *keymgmt, |
689 | const void *keydata1, const void *keydata2, | |
690 | int selection); | |
b305452f RL |
691 | |
692 | int evp_keymgmt_import(const EVP_KEYMGMT *keymgmt, void *keydata, | |
693 | int selection, const OSSL_PARAM params[]); | |
694 | const OSSL_PARAM *evp_keymgmt_import_types(const EVP_KEYMGMT *keymgmt, | |
695 | int selection); | |
696 | int evp_keymgmt_export(const EVP_KEYMGMT *keymgmt, void *keydata, | |
697 | int selection, OSSL_CALLBACK *param_cb, void *cbarg); | |
698 | const OSSL_PARAM *evp_keymgmt_export_types(const EVP_KEYMGMT *keymgmt, | |
699 | int selection); | |
13697f1c RL |
700 | int evp_keymgmt_copy(const EVP_KEYMGMT *keymgmt, |
701 | void *keydata_to, const void *keydata_from, | |
702 | int selection); | |
12603de6 | 703 | |
46f4e1be | 704 | /* Pulling defines out of C source files */ |
9d6fcd42 TS |
705 | |
706 | #define EVP_RC4_KEY_SIZE 16 | |
707 | #ifndef TLS1_1_VERSION | |
708 | # define TLS1_1_VERSION 0x0302 | |
709 | #endif | |
c0804614 MC |
710 | |
711 | void evp_encode_ctx_set_flags(EVP_ENCODE_CTX *ctx, unsigned int flags); | |
712 | ||
713 | /* EVP_ENCODE_CTX flags */ | |
3fd59700 MC |
714 | /* Don't generate new lines when encoding */ |
715 | #define EVP_ENCODE_CTX_NO_NEWLINES 1 | |
716 | /* Use the SRP base64 alphabet instead of the standard one */ | |
717 | #define EVP_ENCODE_CTX_USE_SRP_ALPHABET 2 | |
7606bed9 MC |
718 | |
719 | const EVP_CIPHER *evp_get_cipherbyname_ex(OPENSSL_CTX *libctx, const char *name); | |
720 | const EVP_MD *evp_get_digestbyname_ex(OPENSSL_CTX *libctx, const char *name); | |
e683582b | 721 | |
f844f9eb | 722 | #ifndef FIPS_MODULE |
4fe54d67 NT |
723 | /* |
724 | * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params(). | |
725 | * | |
726 | * Return 1 on success, 0 or negative for errors. | |
727 | * | |
728 | * In particular they return -2 if any of the params is not supported. | |
729 | * | |
f844f9eb | 730 | * They are not available in FIPS_MODULE as they depend on |
4fe54d67 NT |
731 | * - EVP_PKEY_CTX_{get,set}_params() |
732 | * - EVP_PKEY_CTX_{gettable,settable}_params() | |
733 | * | |
734 | */ | |
735 | int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params); | |
736 | int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params); | |
472a88b7 MC |
737 | |
738 | EVP_PKEY *evp_pkcs82pkey_int(const PKCS8_PRIV_KEY_INFO *p8, OPENSSL_CTX *libctx, | |
739 | const char *propq); | |
f844f9eb | 740 | #endif /* !defined(FIPS_MODULE) */ |