1 /*
2  * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the OpenSSL license (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9 
10 #ifndef HEADER_ENVELOPE_H
11 # define HEADER_ENVELOPE_H
12 
13 # include <openssl/opensslconf.h>
14 # include <openssl/ossl_typ.h>
15 # include <openssl/symhacks.h>
16 # include <openssl/bio.h>
17 # include <openssl/evperr.h>
18 
19 # define EVP_MAX_MD_SIZE                 64/* longest known is SHA512 */
20 # define EVP_MAX_KEY_LENGTH              64
21 # define EVP_MAX_IV_LENGTH               16
22 # define EVP_MAX_BLOCK_LENGTH            32
23 
24 # define PKCS5_SALT_LEN                  8
25 /* Default PKCS#5 iteration count */
26 # define PKCS5_DEFAULT_ITER              2048
27 
28 # include <openssl/objects.h>
29 
30 # define EVP_PK_RSA      0x0001
31 # define EVP_PK_DSA      0x0002
32 # define EVP_PK_DH       0x0004
33 # define EVP_PK_EC       0x0008
34 # define EVP_PKT_SIGN    0x0010
35 # define EVP_PKT_ENC     0x0020
36 # define EVP_PKT_EXCH    0x0040
37 # define EVP_PKS_RSA     0x0100
38 # define EVP_PKS_DSA     0x0200
39 # define EVP_PKS_EC      0x0400
40 
41 # define EVP_PKEY_NONE   NID_undef
42 # define EVP_PKEY_RSA    NID_rsaEncryption
43 # define EVP_PKEY_RSA2   NID_rsa
44 # define EVP_PKEY_RSA_PSS NID_rsassaPss
45 # define EVP_PKEY_DSA    NID_dsa
46 # define EVP_PKEY_DSA1   NID_dsa_2
47 # define EVP_PKEY_DSA2   NID_dsaWithSHA
48 # define EVP_PKEY_DSA3   NID_dsaWithSHA1
49 # define EVP_PKEY_DSA4   NID_dsaWithSHA1_2
50 # define EVP_PKEY_DH     NID_dhKeyAgreement
51 # define EVP_PKEY_DHX    NID_dhpublicnumber
52 # define EVP_PKEY_EC     NID_X9_62_id_ecPublicKey
53 # define EVP_PKEY_SM2    NID_sm2
54 # define EVP_PKEY_HMAC   NID_hmac
55 # define EVP_PKEY_CMAC   NID_cmac
56 # define EVP_PKEY_SCRYPT NID_id_scrypt
57 # define EVP_PKEY_TLS1_PRF NID_tls1_prf
58 # define EVP_PKEY_HKDF   NID_hkdf
59 # define EVP_PKEY_POLY1305 NID_poly1305
60 # define EVP_PKEY_SIPHASH NID_siphash
61 # define EVP_PKEY_X25519 NID_X25519
62 # define EVP_PKEY_ED25519 NID_ED25519
63 # define EVP_PKEY_X448 NID_X448
64 # define EVP_PKEY_ED448 NID_ED448
65 
66 #ifdef  __cplusplus
67 extern "C" {
68 #endif
69 
70 # define EVP_PKEY_MO_SIGN        0x0001
71 # define EVP_PKEY_MO_VERIFY      0x0002
72 # define EVP_PKEY_MO_ENCRYPT     0x0004
73 # define EVP_PKEY_MO_DECRYPT     0x0008
74 
75 # ifndef EVP_MD
76 EVP_MD *EVP_MD_meth_new(int md_type, int pkey_type);
77 EVP_MD *EVP_MD_meth_dup(const EVP_MD *md);
78 void EVP_MD_meth_free(EVP_MD *md);
79 
80 int EVP_MD_meth_set_input_blocksize(EVP_MD *md, int blocksize);
81 int EVP_MD_meth_set_result_size(EVP_MD *md, int resultsize);
82 int EVP_MD_meth_set_app_datasize(EVP_MD *md, int datasize);
83 int EVP_MD_meth_set_flags(EVP_MD *md, unsigned long flags);
84 int EVP_MD_meth_set_init(EVP_MD *md, int (*init)(EVP_MD_CTX *ctx));
85 int EVP_MD_meth_set_update(EVP_MD *md, int (*update)(EVP_MD_CTX *ctx,
86                                                      const void *data,
87                                                      size_t count));
88 int EVP_MD_meth_set_final(EVP_MD *md, int (*final)(EVP_MD_CTX *ctx,
89                                                    unsigned char *md));
90 int EVP_MD_meth_set_copy(EVP_MD *md, int (*copy)(EVP_MD_CTX *to,
91                                                  const EVP_MD_CTX *from));
92 int EVP_MD_meth_set_cleanup(EVP_MD *md, int (*cleanup)(EVP_MD_CTX *ctx));
93 int EVP_MD_meth_set_ctrl(EVP_MD *md, int (*ctrl)(EVP_MD_CTX *ctx, int cmd,
94                                                  int p1, void *p2));
95 
96 int EVP_MD_meth_get_input_blocksize(const EVP_MD *md);
97 int EVP_MD_meth_get_result_size(const EVP_MD *md);
98 int EVP_MD_meth_get_app_datasize(const EVP_MD *md);
99 unsigned long EVP_MD_meth_get_flags(const EVP_MD *md);
100 int (*EVP_MD_meth_get_init(const EVP_MD *md))(EVP_MD_CTX *ctx);
101 int (*EVP_MD_meth_get_update(const EVP_MD *md))(EVP_MD_CTX *ctx,
102                                                 const void *data,
103                                                 size_t count);
104 int (*EVP_MD_meth_get_final(const EVP_MD *md))(EVP_MD_CTX *ctx,
105                                                unsigned char *md);
106 int (*EVP_MD_meth_get_copy(const EVP_MD *md))(EVP_MD_CTX *to,
107                                               const EVP_MD_CTX *from);
108 int (*EVP_MD_meth_get_cleanup(const EVP_MD *md))(EVP_MD_CTX *ctx);
109 int (*EVP_MD_meth_get_ctrl(const EVP_MD *md))(EVP_MD_CTX *ctx, int cmd,
110                                               int p1, void *p2);
111 
112 /* digest can only handle a single block */
113 #  define EVP_MD_FLAG_ONESHOT     0x0001
114 
115 /* digest is extensible-output function, XOF */
116 #  define EVP_MD_FLAG_XOF         0x0002
117 
118 /* DigestAlgorithmIdentifier flags... */
119 
120 #  define EVP_MD_FLAG_DIGALGID_MASK               0x0018
121 
122 /* NULL or absent parameter accepted. Use NULL */
123 
124 #  define EVP_MD_FLAG_DIGALGID_NULL               0x0000
125 
126 /* NULL or absent parameter accepted. Use NULL for PKCS#1 otherwise absent */
127 
128 #  define EVP_MD_FLAG_DIGALGID_ABSENT             0x0008
129 
130 /* Custom handling via ctrl */
131 
132 #  define EVP_MD_FLAG_DIGALGID_CUSTOM             0x0018
133 
134 /* Note if suitable for use in FIPS mode */
135 #  define EVP_MD_FLAG_FIPS        0x0400
136 
137 /* Digest ctrls */
138 
139 #  define EVP_MD_CTRL_DIGALGID                    0x1
140 #  define EVP_MD_CTRL_MICALG                      0x2
141 #  define EVP_MD_CTRL_XOF_LEN                     0x3
142 
143 /* Minimum Algorithm specific ctrl value */
144 
145 #  define EVP_MD_CTRL_ALG_CTRL                    0x1000
146 
147 # endif                         /* !EVP_MD */
148 
149 /* values for EVP_MD_CTX flags */
150 
151 # define EVP_MD_CTX_FLAG_ONESHOT         0x0001/* digest update will be
152                                                 * called once only */
153 # define EVP_MD_CTX_FLAG_CLEANED         0x0002/* context has already been
154                                                 * cleaned */
155 # define EVP_MD_CTX_FLAG_REUSE           0x0004/* Don't free up ctx->md_data
156                                                 * in EVP_MD_CTX_reset */
157 /*
158  * FIPS and pad options are ignored in 1.0.0, definitions are here so we
159  * don't accidentally reuse the values for other purposes.
160  */
161 
162 # define EVP_MD_CTX_FLAG_NON_FIPS_ALLOW  0x0008/* Allow use of non FIPS
163                                                 * digest in FIPS mode */
164 
165 /*
166  * The following PAD options are also currently ignored in 1.0.0, digest
167  * parameters are handled through EVP_DigestSign*() and EVP_DigestVerify*()
168  * instead.
169  */
170 # define EVP_MD_CTX_FLAG_PAD_MASK        0xF0/* RSA mode to use */
171 # define EVP_MD_CTX_FLAG_PAD_PKCS1       0x00/* PKCS#1 v1.5 mode */
172 # define EVP_MD_CTX_FLAG_PAD_X931        0x10/* X9.31 mode */
173 # define EVP_MD_CTX_FLAG_PAD_PSS         0x20/* PSS mode */
174 
175 # define EVP_MD_CTX_FLAG_NO_INIT         0x0100/* Don't initialize md_data */
176 /*
177  * Some functions such as EVP_DigestSign only finalise copies of internal
178  * contexts so additional data can be included after the finalisation call.
179  * This is inefficient if this functionality is not required: it is disabled
180  * if the following flag is set.
181  */
182 # define EVP_MD_CTX_FLAG_FINALISE        0x0200
183 /* NOTE: 0x0400 is reserved for internal usage */
184 
185 EVP_CIPHER *EVP_CIPHER_meth_new(int cipher_type, int block_size, int key_len);
186 EVP_CIPHER *EVP_CIPHER_meth_dup(const EVP_CIPHER *cipher);
187 void EVP_CIPHER_meth_free(EVP_CIPHER *cipher);
188 
189 int EVP_CIPHER_meth_set_iv_length(EVP_CIPHER *cipher, int iv_len);
190 int EVP_CIPHER_meth_set_flags(EVP_CIPHER *cipher, unsigned long flags);
191 int EVP_CIPHER_meth_set_impl_ctx_size(EVP_CIPHER *cipher, int ctx_size);
192 int EVP_CIPHER_meth_set_init(EVP_CIPHER *cipher,
193                              int (*init) (EVP_CIPHER_CTX *ctx,
194                                           const unsigned char *key,
195                                           const unsigned char *iv,
196                                           int enc));
197 int EVP_CIPHER_meth_set_do_cipher(EVP_CIPHER *cipher,
198                                   int (*do_cipher) (EVP_CIPHER_CTX *ctx,
199                                                     unsigned char *out,
200                                                     const unsigned char *in,
201                                                     size_t inl));
202 int EVP_CIPHER_meth_set_cleanup(EVP_CIPHER *cipher,
203                                 int (*cleanup) (EVP_CIPHER_CTX *));
204 int EVP_CIPHER_meth_set_set_asn1_params(EVP_CIPHER *cipher,
205                                         int (*set_asn1_parameters) (EVP_CIPHER_CTX *,
206                                                                     ASN1_TYPE *));
207 int EVP_CIPHER_meth_set_get_asn1_params(EVP_CIPHER *cipher,
208                                         int (*get_asn1_parameters) (EVP_CIPHER_CTX *,
209                                                                     ASN1_TYPE *));
210 int EVP_CIPHER_meth_set_ctrl(EVP_CIPHER *cipher,
211                              int (*ctrl) (EVP_CIPHER_CTX *, int type,
212                                           int arg, void *ptr));
213 
214 int (*EVP_CIPHER_meth_get_init(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,
215                                                           const unsigned char *key,
216                                                           const unsigned char *iv,
217                                                           int enc);
218 int (*EVP_CIPHER_meth_get_do_cipher(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,
219                                                                unsigned char *out,
220                                                                const unsigned char *in,
221                                                                size_t inl);
222 int (*EVP_CIPHER_meth_get_cleanup(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *);
223 int (*EVP_CIPHER_meth_get_set_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
224                                                                      ASN1_TYPE *);
225 int (*EVP_CIPHER_meth_get_get_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
226                                                                ASN1_TYPE *);
227 int (*EVP_CIPHER_meth_get_ctrl(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
228                                                           int type, int arg,
229                                                           void *ptr);
230 
231 /* Values for cipher flags */
232 
233 /* Modes for ciphers */
234 
235 # define         EVP_CIPH_STREAM_CIPHER          0x0
236 # define         EVP_CIPH_ECB_MODE               0x1
237 # define         EVP_CIPH_CBC_MODE               0x2
238 # define         EVP_CIPH_CFB_MODE               0x3
239 # define         EVP_CIPH_OFB_MODE               0x4
240 # define         EVP_CIPH_CTR_MODE               0x5
241 # define         EVP_CIPH_GCM_MODE               0x6
242 # define         EVP_CIPH_CCM_MODE               0x7
243 # define         EVP_CIPH_XTS_MODE               0x10001
244 # define         EVP_CIPH_WRAP_MODE              0x10002
245 # define         EVP_CIPH_OCB_MODE               0x10003
246 # define         EVP_CIPH_MODE                   0xF0007
247 /* Set if variable length cipher */
248 # define         EVP_CIPH_VARIABLE_LENGTH        0x8
249 /* Set if the iv handling should be done by the cipher itself */
250 # define         EVP_CIPH_CUSTOM_IV              0x10
251 /* Set if the cipher's init() function should be called if key is NULL */
252 # define         EVP_CIPH_ALWAYS_CALL_INIT       0x20
253 /* Call ctrl() to init cipher parameters */
254 # define         EVP_CIPH_CTRL_INIT              0x40
255 /* Don't use standard key length function */
256 # define         EVP_CIPH_CUSTOM_KEY_LENGTH      0x80
257 /* Don't use standard block padding */
258 # define         EVP_CIPH_NO_PADDING             0x100
259 /* cipher handles random key generation */
260 # define         EVP_CIPH_RAND_KEY               0x200
261 /* cipher has its own additional copying logic */
262 # define         EVP_CIPH_CUSTOM_COPY            0x400
263 /* Don't use standard iv length function */
264 # define         EVP_CIPH_CUSTOM_IV_LENGTH       0x800
265 /* Allow use default ASN1 get/set iv */
266 # define         EVP_CIPH_FLAG_DEFAULT_ASN1      0x1000
267 /* Buffer length in bits not bytes: CFB1 mode only */
268 # define         EVP_CIPH_FLAG_LENGTH_BITS       0x2000
269 /* Note if suitable for use in FIPS mode */
270 # define         EVP_CIPH_FLAG_FIPS              0x4000
271 /* Allow non FIPS cipher in FIPS mode */
272 # define         EVP_CIPH_FLAG_NON_FIPS_ALLOW    0x8000
273 /*
274  * Cipher handles any and all padding logic as well as finalisation.
275  */
276 # define         EVP_CIPH_FLAG_CUSTOM_CIPHER     0x100000
277 # define         EVP_CIPH_FLAG_AEAD_CIPHER       0x200000
278 # define         EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK 0x400000
279 /* Cipher can handle pipeline operations */
280 # define         EVP_CIPH_FLAG_PIPELINE          0X800000
281 
282 /*
283  * Cipher context flag to indicate we can handle wrap mode: if allowed in
284  * older applications it could overflow buffers.
285  */
286 
287 # define         EVP_CIPHER_CTX_FLAG_WRAP_ALLOW  0x1
288 
289 /* ctrl() values */
290 
291 # define         EVP_CTRL_INIT                   0x0
292 # define         EVP_CTRL_SET_KEY_LENGTH         0x1
293 # define         EVP_CTRL_GET_RC2_KEY_BITS       0x2
294 # define         EVP_CTRL_SET_RC2_KEY_BITS       0x3
295 # define         EVP_CTRL_GET_RC5_ROUNDS         0x4
296 # define         EVP_CTRL_SET_RC5_ROUNDS         0x5
297 # define         EVP_CTRL_RAND_KEY               0x6
298 # define         EVP_CTRL_PBE_PRF_NID            0x7
299 # define         EVP_CTRL_COPY                   0x8
300 # define         EVP_CTRL_AEAD_SET_IVLEN         0x9
301 # define         EVP_CTRL_AEAD_GET_TAG           0x10
302 # define         EVP_CTRL_AEAD_SET_TAG           0x11
303 # define         EVP_CTRL_AEAD_SET_IV_FIXED      0x12
304 # define         EVP_CTRL_GCM_SET_IVLEN          EVP_CTRL_AEAD_SET_IVLEN
305 # define         EVP_CTRL_GCM_GET_TAG            EVP_CTRL_AEAD_GET_TAG
306 # define         EVP_CTRL_GCM_SET_TAG            EVP_CTRL_AEAD_SET_TAG
307 # define         EVP_CTRL_GCM_SET_IV_FIXED       EVP_CTRL_AEAD_SET_IV_FIXED
308 # define         EVP_CTRL_GCM_IV_GEN             0x13
309 # define         EVP_CTRL_CCM_SET_IVLEN          EVP_CTRL_AEAD_SET_IVLEN
310 # define         EVP_CTRL_CCM_GET_TAG            EVP_CTRL_AEAD_GET_TAG
311 # define         EVP_CTRL_CCM_SET_TAG            EVP_CTRL_AEAD_SET_TAG
312 # define         EVP_CTRL_CCM_SET_IV_FIXED       EVP_CTRL_AEAD_SET_IV_FIXED
313 # define         EVP_CTRL_CCM_SET_L              0x14
314 # define         EVP_CTRL_CCM_SET_MSGLEN         0x15
315 /*
316  * AEAD cipher deduces payload length and returns number of bytes required to
317  * store MAC and eventual padding. Subsequent call to EVP_Cipher even
318  * appends/verifies MAC.
319  */
320 # define         EVP_CTRL_AEAD_TLS1_AAD          0x16
321 /* Used by composite AEAD ciphers, no-op in GCM, CCM... */
322 # define         EVP_CTRL_AEAD_SET_MAC_KEY       0x17
323 /* Set the GCM invocation field, decrypt only */
324 # define         EVP_CTRL_GCM_SET_IV_INV         0x18
325 
326 # define         EVP_CTRL_TLS1_1_MULTIBLOCK_AAD  0x19
327 # define         EVP_CTRL_TLS1_1_MULTIBLOCK_ENCRYPT      0x1a
328 # define         EVP_CTRL_TLS1_1_MULTIBLOCK_DECRYPT      0x1b
329 # define         EVP_CTRL_TLS1_1_MULTIBLOCK_MAX_BUFSIZE  0x1c
330 
331 # define         EVP_CTRL_SSL3_MASTER_SECRET             0x1d
332 
333 /* EVP_CTRL_SET_SBOX takes the char * specifying S-boxes */
334 # define         EVP_CTRL_SET_SBOX                       0x1e
335 /*
336  * EVP_CTRL_SBOX_USED takes a 'size_t' and 'char *', pointing at a
337  * pre-allocated buffer with specified size
338  */
339 # define         EVP_CTRL_SBOX_USED                      0x1f
340 /* EVP_CTRL_KEY_MESH takes 'size_t' number of bytes to mesh the key after,
341  * 0 switches meshing off
342  */
343 # define         EVP_CTRL_KEY_MESH                       0x20
344 /* EVP_CTRL_BLOCK_PADDING_MODE takes the padding mode */
345 # define         EVP_CTRL_BLOCK_PADDING_MODE             0x21
346 
347 /* Set the output buffers to use for a pipelined operation */
348 # define         EVP_CTRL_SET_PIPELINE_OUTPUT_BUFS       0x22
349 /* Set the input buffers to use for a pipelined operation */
350 # define         EVP_CTRL_SET_PIPELINE_INPUT_BUFS        0x23
351 /* Set the input buffer lengths to use for a pipelined operation */
352 # define         EVP_CTRL_SET_PIPELINE_INPUT_LENS        0x24
353 
354 # define         EVP_CTRL_GET_IVLEN                      0x25
355 
356 /* Padding modes */
357 #define EVP_PADDING_PKCS7       1
358 #define EVP_PADDING_ISO7816_4   2
359 #define EVP_PADDING_ANSI923     3
360 #define EVP_PADDING_ISO10126    4
361 #define EVP_PADDING_ZERO        5
362 
363 /* RFC 5246 defines additional data to be 13 bytes in length */
364 # define         EVP_AEAD_TLS1_AAD_LEN           13
365 
366 typedef struct {
367     unsigned char *out;
368     const unsigned char *inp;
369     size_t len;
370     unsigned int interleave;
371 } EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM;
372 
373 /* GCM TLS constants */
374 /* Length of fixed part of IV derived from PRF */
375 # define EVP_GCM_TLS_FIXED_IV_LEN                        4
376 /* Length of explicit part of IV part of TLS records */
377 # define EVP_GCM_TLS_EXPLICIT_IV_LEN                     8
378 /* Length of tag for TLS */
379 # define EVP_GCM_TLS_TAG_LEN                             16
380 
381 /* CCM TLS constants */
382 /* Length of fixed part of IV derived from PRF */
383 # define EVP_CCM_TLS_FIXED_IV_LEN                        4
384 /* Length of explicit part of IV part of TLS records */
385 # define EVP_CCM_TLS_EXPLICIT_IV_LEN                     8
386 /* Total length of CCM IV length for TLS */
387 # define EVP_CCM_TLS_IV_LEN                              12
388 /* Length of tag for TLS */
389 # define EVP_CCM_TLS_TAG_LEN                             16
390 /* Length of CCM8 tag for TLS */
391 # define EVP_CCM8_TLS_TAG_LEN                            8
392 
393 /* Length of tag for TLS */
394 # define EVP_CHACHAPOLY_TLS_TAG_LEN                      16
395 
396 typedef struct evp_cipher_info_st {
397     const EVP_CIPHER *cipher;
398     unsigned char iv[EVP_MAX_IV_LENGTH];
399 } EVP_CIPHER_INFO;
400 
401 
402 /* Password based encryption function */
403 typedef int (EVP_PBE_KEYGEN) (EVP_CIPHER_CTX *ctx, const char *pass,
404                               int passlen, ASN1_TYPE *param,
405                               const EVP_CIPHER *cipher, const EVP_MD *md,
406                               int en_de);
407 
408 # ifndef OPENSSL_NO_RSA
409 #  define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
410                                         (char *)(rsa))
411 # endif
412 
413 # ifndef OPENSSL_NO_DSA
414 #  define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
415                                         (char *)(dsa))
416 # endif
417 
418 # ifndef OPENSSL_NO_DH
419 #  define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
420                                         (char *)(dh))
421 # endif
422 
423 # ifndef OPENSSL_NO_EC
424 #  define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\
425                                         (char *)(eckey))
426 # endif
427 # ifndef OPENSSL_NO_SIPHASH
428 #  define EVP_PKEY_assign_SIPHASH(pkey,shkey) EVP_PKEY_assign((pkey),EVP_PKEY_SIPHASH,\
429                                         (char *)(shkey))
430 # endif
431 
432 # ifndef OPENSSL_NO_POLY1305
433 #  define EVP_PKEY_assign_POLY1305(pkey,polykey) EVP_PKEY_assign((pkey),EVP_PKEY_POLY1305,\
434                                         (char *)(polykey))
435 # endif
436 
437 /* Add some extra combinations */
438 # define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
439 # define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
440 # define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
441 # define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
442 
443 int EVP_MD_type(const EVP_MD *md);
444 # define EVP_MD_nid(e)                   EVP_MD_type(e)
445 # define EVP_MD_name(e)                  OBJ_nid2sn(EVP_MD_nid(e))
446 int EVP_MD_pkey_type(const EVP_MD *md);
447 int EVP_MD_size(const EVP_MD *md);
448 int EVP_MD_block_size(const EVP_MD *md);
449 unsigned long EVP_MD_flags(const EVP_MD *md);
450 
451 const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx);
452 int (*EVP_MD_CTX_update_fn(EVP_MD_CTX *ctx))(EVP_MD_CTX *ctx,
453                                              const void *data, size_t count);
454 void EVP_MD_CTX_set_update_fn(EVP_MD_CTX *ctx,
455                               int (*update) (EVP_MD_CTX *ctx,
456                                              const void *data, size_t count));
457 # define EVP_MD_CTX_size(e)              EVP_MD_size(EVP_MD_CTX_md(e))
458 # define EVP_MD_CTX_block_size(e)        EVP_MD_block_size(EVP_MD_CTX_md(e))
459 # define EVP_MD_CTX_type(e)              EVP_MD_type(EVP_MD_CTX_md(e))
460 EVP_PKEY_CTX *EVP_MD_CTX_pkey_ctx(const EVP_MD_CTX *ctx);
461 void EVP_MD_CTX_set_pkey_ctx(EVP_MD_CTX *ctx, EVP_PKEY_CTX *pctx);
462 void *EVP_MD_CTX_md_data(const EVP_MD_CTX *ctx);
463 
464 int EVP_CIPHER_nid(const EVP_CIPHER *cipher);
465 # define EVP_CIPHER_name(e)              OBJ_nid2sn(EVP_CIPHER_nid(e))
466 int EVP_CIPHER_block_size(const EVP_CIPHER *cipher);
467 int EVP_CIPHER_impl_ctx_size(const EVP_CIPHER *cipher);
468 int EVP_CIPHER_key_length(const EVP_CIPHER *cipher);
469 int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher);
470 unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher);
471 # define EVP_CIPHER_mode(e)              (EVP_CIPHER_flags(e) & EVP_CIPH_MODE)
472 
473 const EVP_CIPHER *EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx);
474 int EVP_CIPHER_CTX_encrypting(const EVP_CIPHER_CTX *ctx);
475 int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx);
476 int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx);
477 int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx);
478 int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx);
479 const unsigned char *EVP_CIPHER_CTX_iv(const EVP_CIPHER_CTX *ctx);
480 const unsigned char *EVP_CIPHER_CTX_original_iv(const EVP_CIPHER_CTX *ctx);
481 unsigned char *EVP_CIPHER_CTX_iv_noconst(EVP_CIPHER_CTX *ctx);
482 unsigned char *EVP_CIPHER_CTX_buf_noconst(EVP_CIPHER_CTX *ctx);
483 int EVP_CIPHER_CTX_num(const EVP_CIPHER_CTX *ctx);
484 void EVP_CIPHER_CTX_set_num(EVP_CIPHER_CTX *ctx, int num);
485 int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in);
486 void *EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx);
487 void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data);
488 void *EVP_CIPHER_CTX_get_cipher_data(const EVP_CIPHER_CTX *ctx);
489 void *EVP_CIPHER_CTX_set_cipher_data(EVP_CIPHER_CTX *ctx, void *cipher_data);
490 # define EVP_CIPHER_CTX_type(c)         EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
491 # if OPENSSL_API_COMPAT < 0x10100000L
492 #  define EVP_CIPHER_CTX_flags(c)       EVP_CIPHER_flags(EVP_CIPHER_CTX_cipher(c))
493 # endif
494 # define EVP_CIPHER_CTX_mode(c)         EVP_CIPHER_mode(EVP_CIPHER_CTX_cipher(c))
495 
496 # define EVP_ENCODE_LENGTH(l)    ((((l)+2)/3*4)+((l)/48+1)*2+80)
497 # define EVP_DECODE_LENGTH(l)    (((l)+3)/4*3+80)
498 
499 # define EVP_SignInit_ex(a,b,c)          EVP_DigestInit_ex(a,b,c)
500 # define EVP_SignInit(a,b)               EVP_DigestInit(a,b)
501 # define EVP_SignUpdate(a,b,c)           EVP_DigestUpdate(a,b,c)
502 # define EVP_VerifyInit_ex(a,b,c)        EVP_DigestInit_ex(a,b,c)
503 # define EVP_VerifyInit(a,b)             EVP_DigestInit(a,b)
504 # define EVP_VerifyUpdate(a,b,c)         EVP_DigestUpdate(a,b,c)
505 # define EVP_OpenUpdate(a,b,c,d,e)       EVP_DecryptUpdate(a,b,c,d,e)
506 # define EVP_SealUpdate(a,b,c,d,e)       EVP_EncryptUpdate(a,b,c,d,e)
507 # define EVP_DigestSignUpdate(a,b,c)     EVP_DigestUpdate(a,b,c)
508 # define EVP_DigestVerifyUpdate(a,b,c)   EVP_DigestUpdate(a,b,c)
509 
510 # ifdef CONST_STRICT
511 void BIO_set_md(BIO *, const EVP_MD *md);
512 # else
513 #  define BIO_set_md(b,md)          BIO_ctrl(b,BIO_C_SET_MD,0,(char *)(md))
514 # endif
515 # define BIO_get_md(b,mdp)          BIO_ctrl(b,BIO_C_GET_MD,0,(char *)(mdp))
516 # define BIO_get_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_GET_MD_CTX,0, \
517                                              (char *)(mdcp))
518 # define BIO_set_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_SET_MD_CTX,0, \
519                                              (char *)(mdcp))
520 # define BIO_get_cipher_status(b)   BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
521 # define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0, \
522                                              (char *)(c_pp))
523 
524 /*__owur*/ int EVP_Cipher(EVP_CIPHER_CTX *c,
525                           unsigned char *out,
526                           const unsigned char *in, unsigned int inl);
527 
528 # define EVP_add_cipher_alias(n,alias) \
529         OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
530 # define EVP_add_digest_alias(n,alias) \
531         OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
532 # define EVP_delete_cipher_alias(alias) \
533         OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
534 # define EVP_delete_digest_alias(alias) \
535         OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
536 
537 int EVP_MD_CTX_ctrl(EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
538 EVP_MD_CTX *EVP_MD_CTX_new(void);
539 int EVP_MD_CTX_reset(EVP_MD_CTX *ctx);
540 void EVP_MD_CTX_free(EVP_MD_CTX *ctx);
541 # define EVP_MD_CTX_create()     EVP_MD_CTX_new()
542 # define EVP_MD_CTX_init(ctx)    EVP_MD_CTX_reset((ctx))
543 # define EVP_MD_CTX_destroy(ctx) EVP_MD_CTX_free((ctx))
544 __owur int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in);
545 void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);
546 void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);
547 int EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags);
548 __owur int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type,
549                                  ENGINE *impl);
550 __owur int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *d,
551                                 size_t cnt);
552 __owur int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md,
553                                   unsigned int *s);
554 __owur int EVP_Digest(const void *data, size_t count,
555                           unsigned char *md, unsigned int *size,
556                           const EVP_MD *type, ENGINE *impl);
557 
558 __owur int EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in);
559 __owur int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
560 __owur int EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md,
561                            unsigned int *s);
562 __owur int EVP_DigestFinalXOF(EVP_MD_CTX *ctx, unsigned char *md,
563                               size_t len);
564 
565 int EVP_read_pw_string(char *buf, int length, const char *prompt, int verify);
566 int EVP_read_pw_string_min(char *buf, int minlen, int maxlen,
567                            const char *prompt, int verify);
568 void EVP_set_pw_prompt(const char *prompt);
569 char *EVP_get_pw_prompt(void);
570 
571 __owur int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md,
572                           const unsigned char *salt,
573                           const unsigned char *data, int datal, int count,
574                           unsigned char *key, unsigned char *iv);
575 
576 void EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags);
577 void EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags);
578 int EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags);
579 
580 __owur int EVP_EncryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
581                            const unsigned char *key, const unsigned char *iv);
582 /*__owur*/ int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx,
583                                   const EVP_CIPHER *cipher, ENGINE *impl,
584                                   const unsigned char *key,
585                                   const unsigned char *iv);
586 /*__owur*/ int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
587                                  int *outl, const unsigned char *in, int inl);
588 /*__owur*/ int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out,
589                                    int *outl);
590 /*__owur*/ int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out,
591                                 int *outl);
592 
593 __owur int EVP_DecryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
594                            const unsigned char *key, const unsigned char *iv);
595 /*__owur*/ int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx,
596                                   const EVP_CIPHER *cipher, ENGINE *impl,
597                                   const unsigned char *key,
598                                   const unsigned char *iv);
599 /*__owur*/ int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
600                                  int *outl, const unsigned char *in, int inl);
601 __owur int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm,
602                             int *outl);
603 /*__owur*/ int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm,
604                                    int *outl);
605 
606 __owur int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
607                           const unsigned char *key, const unsigned char *iv,
608                           int enc);
609 /*__owur*/ int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx,
610                                  const EVP_CIPHER *cipher, ENGINE *impl,
611                                  const unsigned char *key,
612                                  const unsigned char *iv, int enc);
613 __owur int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
614                             int *outl, const unsigned char *in, int inl);
615 __owur int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm,
616                            int *outl);
617 __owur int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm,
618                               int *outl);
619 
620 __owur int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s,
621                          EVP_PKEY *pkey);
622 
623 __owur int EVP_DigestSign(EVP_MD_CTX *ctx, unsigned char *sigret,
624                           size_t *siglen, const unsigned char *tbs,
625                           size_t tbslen);
626 
627 __owur int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf,
628                            unsigned int siglen, EVP_PKEY *pkey);
629 
630 __owur int EVP_DigestVerify(EVP_MD_CTX *ctx, const unsigned char *sigret,
631                             size_t siglen, const unsigned char *tbs,
632                             size_t tbslen);
633 
634 /*__owur*/ int EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
635                                   const EVP_MD *type, ENGINE *e,
636                                   EVP_PKEY *pkey);
637 __owur int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
638                                size_t *siglen);
639 
640 __owur int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
641                                 const EVP_MD *type, ENGINE *e,
642                                 EVP_PKEY *pkey);
643 __owur int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sig,
644                                  size_t siglen);
645 
646 # ifndef OPENSSL_NO_RSA
647 __owur int EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
648                         const unsigned char *ek, int ekl,
649                         const unsigned char *iv, EVP_PKEY *priv);
650 __owur int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
651 
652 __owur int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
653                         unsigned char **ek, int *ekl, unsigned char *iv,
654                         EVP_PKEY **pubk, int npubk);
655 __owur int EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
656 # endif
657 
658 EVP_ENCODE_CTX *EVP_ENCODE_CTX_new(void);
659 void EVP_ENCODE_CTX_free(EVP_ENCODE_CTX *ctx);
660 int EVP_ENCODE_CTX_copy(EVP_ENCODE_CTX *dctx, EVP_ENCODE_CTX *sctx);
661 int EVP_ENCODE_CTX_num(EVP_ENCODE_CTX *ctx);
662 void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
663 int EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
664                      const unsigned char *in, int inl);
665 void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl);
666 int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
667 
668 void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
669 int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
670                      const unsigned char *in, int inl);
671 int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
672                     char *out, int *outl);
673 int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
674 
675 # if OPENSSL_API_COMPAT < 0x10100000L
676 #  define EVP_CIPHER_CTX_init(c)      EVP_CIPHER_CTX_reset(c)
677 #  define EVP_CIPHER_CTX_cleanup(c)   EVP_CIPHER_CTX_reset(c)
678 # endif
679 EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void);
680 int EVP_CIPHER_CTX_reset(EVP_CIPHER_CTX *c);
681 void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *c);
682 int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
683 int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
684 int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
685 int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key);
686 
687 const BIO_METHOD *BIO_f_md(void);
688 const BIO_METHOD *BIO_f_base64(void);
689 const BIO_METHOD *BIO_f_cipher(void);
690 const BIO_METHOD *BIO_f_reliable(void);
691 __owur int BIO_set_cipher(BIO *b, const EVP_CIPHER *c, const unsigned char *k,
692                           const unsigned char *i, int enc);
693 
694 const EVP_MD *EVP_md_null(void);
695 # ifndef OPENSSL_NO_MD2
696 const EVP_MD *EVP_md2(void);
697 # endif
698 # ifndef OPENSSL_NO_MD4
699 const EVP_MD *EVP_md4(void);
700 # endif
701 # ifndef OPENSSL_NO_MD5
702 const EVP_MD *EVP_md5(void);
703 const EVP_MD *EVP_md5_sha1(void);
704 # endif
705 # ifndef OPENSSL_NO_BLAKE2
706 const EVP_MD *EVP_blake2b512(void);
707 const EVP_MD *EVP_blake2s256(void);
708 # endif
709 const EVP_MD *EVP_sha1(void);
710 const EVP_MD *EVP_sha224(void);
711 const EVP_MD *EVP_sha256(void);
712 const EVP_MD *EVP_sha384(void);
713 const EVP_MD *EVP_sha512(void);
714 const EVP_MD *EVP_sha512_224(void);
715 const EVP_MD *EVP_sha512_256(void);
716 const EVP_MD *EVP_sha3_224(void);
717 const EVP_MD *EVP_sha3_256(void);
718 const EVP_MD *EVP_sha3_384(void);
719 const EVP_MD *EVP_sha3_512(void);
720 const EVP_MD *EVP_shake128(void);
721 const EVP_MD *EVP_shake256(void);
722 # ifndef OPENSSL_NO_MDC2
723 const EVP_MD *EVP_mdc2(void);
724 # endif
725 # ifndef OPENSSL_NO_RMD160
726 const EVP_MD *EVP_ripemd160(void);
727 # endif
728 # ifndef OPENSSL_NO_WHIRLPOOL
729 const EVP_MD *EVP_whirlpool(void);
730 # endif
731 # ifndef OPENSSL_NO_SM3
732 const EVP_MD *EVP_sm3(void);
733 # endif
734 const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
735 # ifndef OPENSSL_NO_DES
736 const EVP_CIPHER *EVP_des_ecb(void);
737 const EVP_CIPHER *EVP_des_ede(void);
738 const EVP_CIPHER *EVP_des_ede3(void);
739 const EVP_CIPHER *EVP_des_ede_ecb(void);
740 const EVP_CIPHER *EVP_des_ede3_ecb(void);
741 const EVP_CIPHER *EVP_des_cfb64(void);
742 #  define EVP_des_cfb EVP_des_cfb64
743 const EVP_CIPHER *EVP_des_cfb1(void);
744 const EVP_CIPHER *EVP_des_cfb8(void);
745 const EVP_CIPHER *EVP_des_ede_cfb64(void);
746 #  define EVP_des_ede_cfb EVP_des_ede_cfb64
747 const EVP_CIPHER *EVP_des_ede3_cfb64(void);
748 #  define EVP_des_ede3_cfb EVP_des_ede3_cfb64
749 const EVP_CIPHER *EVP_des_ede3_cfb1(void);
750 const EVP_CIPHER *EVP_des_ede3_cfb8(void);
751 const EVP_CIPHER *EVP_des_ofb(void);
752 const EVP_CIPHER *EVP_des_ede_ofb(void);
753 const EVP_CIPHER *EVP_des_ede3_ofb(void);
754 const EVP_CIPHER *EVP_des_cbc(void);
755 const EVP_CIPHER *EVP_des_ede_cbc(void);
756 const EVP_CIPHER *EVP_des_ede3_cbc(void);
757 const EVP_CIPHER *EVP_desx_cbc(void);
758 const EVP_CIPHER *EVP_des_ede3_wrap(void);
759 /*
760  * This should now be supported through the dev_crypto ENGINE. But also, why
761  * are rc4 and md5 declarations made here inside a "NO_DES" precompiler
762  * branch?
763  */
764 # endif
765 # ifndef OPENSSL_NO_RC4
766 const EVP_CIPHER *EVP_rc4(void);
767 const EVP_CIPHER *EVP_rc4_40(void);
768 #  ifndef OPENSSL_NO_MD5
769 const EVP_CIPHER *EVP_rc4_hmac_md5(void);
770 #  endif
771 # endif
772 # ifndef OPENSSL_NO_IDEA
773 const EVP_CIPHER *EVP_idea_ecb(void);
774 const EVP_CIPHER *EVP_idea_cfb64(void);
775 #  define EVP_idea_cfb EVP_idea_cfb64
776 const EVP_CIPHER *EVP_idea_ofb(void);
777 const EVP_CIPHER *EVP_idea_cbc(void);
778 # endif
779 # ifndef OPENSSL_NO_RC2
780 const EVP_CIPHER *EVP_rc2_ecb(void);
781 const EVP_CIPHER *EVP_rc2_cbc(void);
782 const EVP_CIPHER *EVP_rc2_40_cbc(void);
783 const EVP_CIPHER *EVP_rc2_64_cbc(void);
784 const EVP_CIPHER *EVP_rc2_cfb64(void);
785 #  define EVP_rc2_cfb EVP_rc2_cfb64
786 const EVP_CIPHER *EVP_rc2_ofb(void);
787 # endif
788 # ifndef OPENSSL_NO_BF
789 const EVP_CIPHER *EVP_bf_ecb(void);
790 const EVP_CIPHER *EVP_bf_cbc(void);
791 const EVP_CIPHER *EVP_bf_cfb64(void);
792 #  define EVP_bf_cfb EVP_bf_cfb64
793 const EVP_CIPHER *EVP_bf_ofb(void);
794 # endif
795 # ifndef OPENSSL_NO_CAST
796 const EVP_CIPHER *EVP_cast5_ecb(void);
797 const EVP_CIPHER *EVP_cast5_cbc(void);
798 const EVP_CIPHER *EVP_cast5_cfb64(void);
799 #  define EVP_cast5_cfb EVP_cast5_cfb64
800 const EVP_CIPHER *EVP_cast5_ofb(void);
801 # endif
802 # ifndef OPENSSL_NO_RC5
803 const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
804 const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
805 const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void);
806 #  define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64
807 const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
808 # endif
809 const EVP_CIPHER *EVP_aes_128_ecb(void);
810 const EVP_CIPHER *EVP_aes_128_cbc(void);
811 const EVP_CIPHER *EVP_aes_128_cfb1(void);
812 const EVP_CIPHER *EVP_aes_128_cfb8(void);
813 const EVP_CIPHER *EVP_aes_128_cfb128(void);
814 # define EVP_aes_128_cfb EVP_aes_128_cfb128
815 const EVP_CIPHER *EVP_aes_128_ofb(void);
816 const EVP_CIPHER *EVP_aes_128_ctr(void);
817 const EVP_CIPHER *EVP_aes_128_ccm(void);
818 const EVP_CIPHER *EVP_aes_128_gcm(void);
819 const EVP_CIPHER *EVP_aes_128_xts(void);
820 const EVP_CIPHER *EVP_aes_128_wrap(void);
821 const EVP_CIPHER *EVP_aes_128_wrap_pad(void);
822 # ifndef OPENSSL_NO_OCB
823 const EVP_CIPHER *EVP_aes_128_ocb(void);
824 # endif
825 const EVP_CIPHER *EVP_aes_192_ecb(void);
826 const EVP_CIPHER *EVP_aes_192_cbc(void);
827 const EVP_CIPHER *EVP_aes_192_cfb1(void);
828 const EVP_CIPHER *EVP_aes_192_cfb8(void);
829 const EVP_CIPHER *EVP_aes_192_cfb128(void);
830 # define EVP_aes_192_cfb EVP_aes_192_cfb128
831 const EVP_CIPHER *EVP_aes_192_ofb(void);
832 const EVP_CIPHER *EVP_aes_192_ctr(void);
833 const EVP_CIPHER *EVP_aes_192_ccm(void);
834 const EVP_CIPHER *EVP_aes_192_gcm(void);
835 const EVP_CIPHER *EVP_aes_192_wrap(void);
836 const EVP_CIPHER *EVP_aes_192_wrap_pad(void);
837 # ifndef OPENSSL_NO_OCB
838 const EVP_CIPHER *EVP_aes_192_ocb(void);
839 # endif
840 const EVP_CIPHER *EVP_aes_256_ecb(void);
841 const EVP_CIPHER *EVP_aes_256_cbc(void);
842 const EVP_CIPHER *EVP_aes_256_cfb1(void);
843 const EVP_CIPHER *EVP_aes_256_cfb8(void);
844 const EVP_CIPHER *EVP_aes_256_cfb128(void);
845 # define EVP_aes_256_cfb EVP_aes_256_cfb128
846 const EVP_CIPHER *EVP_aes_256_ofb(void);
847 const EVP_CIPHER *EVP_aes_256_ctr(void);
848 const EVP_CIPHER *EVP_aes_256_ccm(void);
849 const EVP_CIPHER *EVP_aes_256_gcm(void);
850 const EVP_CIPHER *EVP_aes_256_xts(void);
851 const EVP_CIPHER *EVP_aes_256_wrap(void);
852 const EVP_CIPHER *EVP_aes_256_wrap_pad(void);
853 # ifndef OPENSSL_NO_OCB
854 const EVP_CIPHER *EVP_aes_256_ocb(void);
855 # endif
856 const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void);
857 const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void);
858 const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha256(void);
859 const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha256(void);
860 # ifndef OPENSSL_NO_ARIA
861 const EVP_CIPHER *EVP_aria_128_ecb(void);
862 const EVP_CIPHER *EVP_aria_128_cbc(void);
863 const EVP_CIPHER *EVP_aria_128_cfb1(void);
864 const EVP_CIPHER *EVP_aria_128_cfb8(void);
865 const EVP_CIPHER *EVP_aria_128_cfb128(void);
866 #  define EVP_aria_128_cfb EVP_aria_128_cfb128
867 const EVP_CIPHER *EVP_aria_128_ctr(void);
868 const EVP_CIPHER *EVP_aria_128_ofb(void);
869 const EVP_CIPHER *EVP_aria_128_gcm(void);
870 const EVP_CIPHER *EVP_aria_128_ccm(void);
871 const EVP_CIPHER *EVP_aria_192_ecb(void);
872 const EVP_CIPHER *EVP_aria_192_cbc(void);
873 const EVP_CIPHER *EVP_aria_192_cfb1(void);
874 const EVP_CIPHER *EVP_aria_192_cfb8(void);
875 const EVP_CIPHER *EVP_aria_192_cfb128(void);
876 #  define EVP_aria_192_cfb EVP_aria_192_cfb128
877 const EVP_CIPHER *EVP_aria_192_ctr(void);
878 const EVP_CIPHER *EVP_aria_192_ofb(void);
879 const EVP_CIPHER *EVP_aria_192_gcm(void);
880 const EVP_CIPHER *EVP_aria_192_ccm(void);
881 const EVP_CIPHER *EVP_aria_256_ecb(void);
882 const EVP_CIPHER *EVP_aria_256_cbc(void);
883 const EVP_CIPHER *EVP_aria_256_cfb1(void);
884 const EVP_CIPHER *EVP_aria_256_cfb8(void);
885 const EVP_CIPHER *EVP_aria_256_cfb128(void);
886 #  define EVP_aria_256_cfb EVP_aria_256_cfb128
887 const EVP_CIPHER *EVP_aria_256_ctr(void);
888 const EVP_CIPHER *EVP_aria_256_ofb(void);
889 const EVP_CIPHER *EVP_aria_256_gcm(void);
890 const EVP_CIPHER *EVP_aria_256_ccm(void);
891 # endif
892 # ifndef OPENSSL_NO_CAMELLIA
893 const EVP_CIPHER *EVP_camellia_128_ecb(void);
894 const EVP_CIPHER *EVP_camellia_128_cbc(void);
895 const EVP_CIPHER *EVP_camellia_128_cfb1(void);
896 const EVP_CIPHER *EVP_camellia_128_cfb8(void);
897 const EVP_CIPHER *EVP_camellia_128_cfb128(void);
898 #  define EVP_camellia_128_cfb EVP_camellia_128_cfb128
899 const EVP_CIPHER *EVP_camellia_128_ofb(void);
900 const EVP_CIPHER *EVP_camellia_128_ctr(void);
901 const EVP_CIPHER *EVP_camellia_192_ecb(void);
902 const EVP_CIPHER *EVP_camellia_192_cbc(void);
903 const EVP_CIPHER *EVP_camellia_192_cfb1(void);
904 const EVP_CIPHER *EVP_camellia_192_cfb8(void);
905 const EVP_CIPHER *EVP_camellia_192_cfb128(void);
906 #  define EVP_camellia_192_cfb EVP_camellia_192_cfb128
907 const EVP_CIPHER *EVP_camellia_192_ofb(void);
908 const EVP_CIPHER *EVP_camellia_192_ctr(void);
909 const EVP_CIPHER *EVP_camellia_256_ecb(void);
910 const EVP_CIPHER *EVP_camellia_256_cbc(void);
911 const EVP_CIPHER *EVP_camellia_256_cfb1(void);
912 const EVP_CIPHER *EVP_camellia_256_cfb8(void);
913 const EVP_CIPHER *EVP_camellia_256_cfb128(void);
914 #  define EVP_camellia_256_cfb EVP_camellia_256_cfb128
915 const EVP_CIPHER *EVP_camellia_256_ofb(void);
916 const EVP_CIPHER *EVP_camellia_256_ctr(void);
917 # endif
918 # ifndef OPENSSL_NO_CHACHA
919 const EVP_CIPHER *EVP_chacha20(void);
920 #  ifndef OPENSSL_NO_POLY1305
921 const EVP_CIPHER *EVP_chacha20_poly1305(void);
922 #  endif
923 # endif
924 
925 # ifndef OPENSSL_NO_SEED
926 const EVP_CIPHER *EVP_seed_ecb(void);
927 const EVP_CIPHER *EVP_seed_cbc(void);
928 const EVP_CIPHER *EVP_seed_cfb128(void);
929 #  define EVP_seed_cfb EVP_seed_cfb128
930 const EVP_CIPHER *EVP_seed_ofb(void);
931 # endif
932 
933 # ifndef OPENSSL_NO_SM4
934 const EVP_CIPHER *EVP_sm4_ecb(void);
935 const EVP_CIPHER *EVP_sm4_cbc(void);
936 const EVP_CIPHER *EVP_sm4_cfb128(void);
937 #  define EVP_sm4_cfb EVP_sm4_cfb128
938 const EVP_CIPHER *EVP_sm4_ofb(void);
939 const EVP_CIPHER *EVP_sm4_ctr(void);
940 # endif
941 
942 # if OPENSSL_API_COMPAT < 0x10100000L
943 #  define OPENSSL_add_all_algorithms_conf() \
944     OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS \
945                         | OPENSSL_INIT_ADD_ALL_DIGESTS \
946                         | OPENSSL_INIT_LOAD_CONFIG, NULL)
947 #  define OPENSSL_add_all_algorithms_noconf() \
948     OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS \
949                         | OPENSSL_INIT_ADD_ALL_DIGESTS, NULL)
950 
951 #  ifdef OPENSSL_LOAD_CONF
952 #   define OpenSSL_add_all_algorithms() OPENSSL_add_all_algorithms_conf()
953 #  else
954 #   define OpenSSL_add_all_algorithms() OPENSSL_add_all_algorithms_noconf()
955 #  endif
956 
957 #  define OpenSSL_add_all_ciphers() \
958     OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS, NULL)
959 #  define OpenSSL_add_all_digests() \
960     OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL)
961 
962 #  define EVP_cleanup() while(0) continue
963 # endif
964 
965 int EVP_add_cipher(const EVP_CIPHER *cipher);
966 int EVP_add_digest(const EVP_MD *digest);
967 
968 const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
969 const EVP_MD *EVP_get_digestbyname(const char *name);
970 
971 void EVP_CIPHER_do_all(void (*fn) (const EVP_CIPHER *ciph,
972                                    const char *from, const char *to, void *x),
973                        void *arg);
974 void EVP_CIPHER_do_all_sorted(void (*fn)
975                                (const EVP_CIPHER *ciph, const char *from,
976                                 const char *to, void *x), void *arg);
977 
978 void EVP_MD_do_all(void (*fn) (const EVP_MD *ciph,
979                                const char *from, const char *to, void *x),
980                    void *arg);
981 void EVP_MD_do_all_sorted(void (*fn)
982                            (const EVP_MD *ciph, const char *from,
983                             const char *to, void *x), void *arg);
984 
985 int EVP_PKEY_decrypt_old(unsigned char *dec_key,
986                          const unsigned char *enc_key, int enc_key_len,
987                          EVP_PKEY *private_key);
988 int EVP_PKEY_encrypt_old(unsigned char *enc_key,
989                          const unsigned char *key, int key_len,
990                          EVP_PKEY *pub_key);
991 int EVP_PKEY_type(int type);
992 int EVP_PKEY_id(const EVP_PKEY *pkey);
993 int EVP_PKEY_base_id(const EVP_PKEY *pkey);
994 int EVP_PKEY_bits(const EVP_PKEY *pkey);
995 int EVP_PKEY_security_bits(const EVP_PKEY *pkey);
996 int EVP_PKEY_size(const EVP_PKEY *pkey);
997 int EVP_PKEY_set_type(EVP_PKEY *pkey, int type);
998 int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len);
999 int EVP_PKEY_set_alias_type(EVP_PKEY *pkey, int type);
1000 # ifndef OPENSSL_NO_ENGINE
1001 int EVP_PKEY_set1_engine(EVP_PKEY *pkey, ENGINE *e);
1002 ENGINE *EVP_PKEY_get0_engine(const EVP_PKEY *pkey);
1003 # endif
1004 int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key);
1005 void *EVP_PKEY_get0(const EVP_PKEY *pkey);
1006 const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len);
1007 # ifndef OPENSSL_NO_POLY1305
1008 const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY *pkey, size_t *len);
1009 # endif
1010 # ifndef OPENSSL_NO_SIPHASH
1011 const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY *pkey, size_t *len);
1012 # endif
1013 
1014 # ifndef OPENSSL_NO_RSA
1015 struct rsa_st;
1016 int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, struct rsa_st *key);
1017 struct rsa_st *EVP_PKEY_get0_RSA(EVP_PKEY *pkey);
1018 struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
1019 # endif
1020 # ifndef OPENSSL_NO_DSA
1021 struct dsa_st;
1022 int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, struct dsa_st *key);
1023 struct dsa_st *EVP_PKEY_get0_DSA(EVP_PKEY *pkey);
1024 struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
1025 # endif
1026 # ifndef OPENSSL_NO_DH
1027 struct dh_st;
1028 int EVP_PKEY_set1_DH(EVP_PKEY *pkey, struct dh_st *key);
1029 struct dh_st *EVP_PKEY_get0_DH(EVP_PKEY *pkey);
1030 struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
1031 # endif
1032 # ifndef OPENSSL_NO_EC
1033 struct ec_key_st;
1034 int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, struct ec_key_st *key);
1035 struct ec_key_st *EVP_PKEY_get0_EC_KEY(EVP_PKEY *pkey);
1036 struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
1037 # endif
1038 
1039 EVP_PKEY *EVP_PKEY_new(void);
1040 int EVP_PKEY_up_ref(EVP_PKEY *pkey);
1041 void EVP_PKEY_free(EVP_PKEY *pkey);
1042 
1043 EVP_PKEY *d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp,
1044                         long length);
1045 int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
1046 
1047 EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp,
1048                          long length);
1049 EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
1050                              long length);
1051 int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
1052 
1053 int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
1054 int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
1055 int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode);
1056 int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);
1057 
1058 int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);
1059 
1060 int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
1061                           int indent, ASN1_PCTX *pctx);
1062 int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
1063                            int indent, ASN1_PCTX *pctx);
1064 int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
1065                           int indent, ASN1_PCTX *pctx);
1066 
1067 int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid);
1068 
1069 int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY *pkey,
1070                                    const unsigned char *pt, size_t ptlen);
1071 size_t EVP_PKEY_get1_tls_encodedpoint(EVP_PKEY *pkey, unsigned char **ppt);
1072 
1073 int EVP_CIPHER_type(const EVP_CIPHER *ctx);
1074 
1075 /* calls methods */
1076 int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1077 int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1078 
1079 /* These are used by EVP_CIPHER methods */
1080 int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1081 int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1082 
1083 /* PKCS5 password based encryption */
1084 int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
1085                        ASN1_TYPE *param, const EVP_CIPHER *cipher,
1086                        const EVP_MD *md, int en_de);
1087 int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
1088                            const unsigned char *salt, int saltlen, int iter,
1089                            int keylen, unsigned char *out);
1090 int PKCS5_PBKDF2_HMAC(const char *pass, int passlen,
1091                       const unsigned char *salt, int saltlen, int iter,
1092                       const EVP_MD *digest, int keylen, unsigned char *out);
1093 int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
1094                           ASN1_TYPE *param, const EVP_CIPHER *cipher,
1095                           const EVP_MD *md, int en_de);
1096 
1097 #ifndef OPENSSL_NO_SCRYPT
1098 int EVP_PBE_scrypt(const char *pass, size_t passlen,
1099                    const unsigned char *salt, size_t saltlen,
1100                    uint64_t N, uint64_t r, uint64_t p, uint64_t maxmem,
1101                    unsigned char *key, size_t keylen);
1102 
1103 int PKCS5_v2_scrypt_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass,
1104                              int passlen, ASN1_TYPE *param,
1105                              const EVP_CIPHER *c, const EVP_MD *md, int en_de);
1106 #endif
1107 
1108 void PKCS5_PBE_add(void);
1109 
1110 int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
1111                        ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
1112 
1113 /* PBE type */
1114 
1115 /* Can appear as the outermost AlgorithmIdentifier */
1116 # define EVP_PBE_TYPE_OUTER      0x0
1117 /* Is an PRF type OID */
1118 # define EVP_PBE_TYPE_PRF        0x1
1119 /* Is a PKCS#5 v2.0 KDF */
1120 # define EVP_PBE_TYPE_KDF        0x2
1121 
1122 int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid,
1123                          int md_nid, EVP_PBE_KEYGEN *keygen);
1124 int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
1125                     EVP_PBE_KEYGEN *keygen);
1126 int EVP_PBE_find(int type, int pbe_nid, int *pcnid, int *pmnid,
1127                  EVP_PBE_KEYGEN **pkeygen);
1128 void EVP_PBE_cleanup(void);
1129 int EVP_PBE_get(int *ptype, int *ppbe_nid, size_t num);
1130 
1131 # define ASN1_PKEY_ALIAS         0x1
1132 # define ASN1_PKEY_DYNAMIC       0x2
1133 # define ASN1_PKEY_SIGPARAM_NULL 0x4
1134 
1135 # define ASN1_PKEY_CTRL_PKCS7_SIGN       0x1
1136 # define ASN1_PKEY_CTRL_PKCS7_ENCRYPT    0x2
1137 # define ASN1_PKEY_CTRL_DEFAULT_MD_NID   0x3
1138 # define ASN1_PKEY_CTRL_CMS_SIGN         0x5
1139 # define ASN1_PKEY_CTRL_CMS_ENVELOPE     0x7
1140 # define ASN1_PKEY_CTRL_CMS_RI_TYPE      0x8
1141 
1142 # define ASN1_PKEY_CTRL_SET1_TLS_ENCPT   0x9
1143 # define ASN1_PKEY_CTRL_GET1_TLS_ENCPT   0xa
1144 
1145 int EVP_PKEY_asn1_get_count(void);
1146 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx);
1147 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type);
1148 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
1149                                                    const char *str, int len);
1150 int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth);
1151 int EVP_PKEY_asn1_add_alias(int to, int from);
1152 int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *pkey_base_id,
1153                             int *ppkey_flags, const char **pinfo,
1154                             const char **ppem_str,
1155                             const EVP_PKEY_ASN1_METHOD *ameth);
1156 
1157 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_get0_asn1(const EVP_PKEY *pkey);
1158 EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_new(int id, int flags,
1159                                         const char *pem_str,
1160                                         const char *info);
1161 void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst,
1162                         const EVP_PKEY_ASN1_METHOD *src);
1163 void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth);
1164 void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
1165                               int (*pub_decode) (EVP_PKEY *pk,
1166                                                  X509_PUBKEY *pub),
1167                               int (*pub_encode) (X509_PUBKEY *pub,
1168                                                  const EVP_PKEY *pk),
1169                               int (*pub_cmp) (const EVP_PKEY *a,
1170                                               const EVP_PKEY *b),
1171                               int (*pub_print) (BIO *out,
1172                                                 const EVP_PKEY *pkey,
1173                                                 int indent, ASN1_PCTX *pctx),
1174                               int (*pkey_size) (const EVP_PKEY *pk),
1175                               int (*pkey_bits) (const EVP_PKEY *pk));
1176 void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
1177                                int (*priv_decode) (EVP_PKEY *pk,
1178                                                    const PKCS8_PRIV_KEY_INFO
1179                                                    *p8inf),
1180                                int (*priv_encode) (PKCS8_PRIV_KEY_INFO *p8,
1181                                                    const EVP_PKEY *pk),
1182                                int (*priv_print) (BIO *out,
1183                                                   const EVP_PKEY *pkey,
1184                                                   int indent,
1185                                                   ASN1_PCTX *pctx));
1186 void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
1187                              int (*param_decode) (EVP_PKEY *pkey,
1188                                                   const unsigned char **pder,
1189                                                   int derlen),
1190                              int (*param_encode) (const EVP_PKEY *pkey,
1191                                                   unsigned char **pder),
1192                              int (*param_missing) (const EVP_PKEY *pk),
1193                              int (*param_copy) (EVP_PKEY *to,
1194                                                 const EVP_PKEY *from),
1195                              int (*param_cmp) (const EVP_PKEY *a,
1196                                                const EVP_PKEY *b),
1197                              int (*param_print) (BIO *out,
1198                                                  const EVP_PKEY *pkey,
1199                                                  int indent,
1200                                                  ASN1_PCTX *pctx));
1201 
1202 void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
1203                             void (*pkey_free) (EVP_PKEY *pkey));
1204 void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
1205                             int (*pkey_ctrl) (EVP_PKEY *pkey, int op,
1206                                               long arg1, void *arg2));
1207 void EVP_PKEY_asn1_set_item(EVP_PKEY_ASN1_METHOD *ameth,
1208                             int (*item_verify) (EVP_MD_CTX *ctx,
1209                                                 const ASN1_ITEM *it,
1210                                                 void *asn,
1211                                                 X509_ALGOR *a,
1212                                                 ASN1_BIT_STRING *sig,
1213                                                 EVP_PKEY *pkey),
1214                             int (*item_sign) (EVP_MD_CTX *ctx,
1215                                               const ASN1_ITEM *it,
1216                                               void *asn,
1217                                               X509_ALGOR *alg1,
1218                                               X509_ALGOR *alg2,
1219                                               ASN1_BIT_STRING *sig));
1220 
1221 void EVP_PKEY_asn1_set_siginf(EVP_PKEY_ASN1_METHOD *ameth,
1222                               int (*siginf_set) (X509_SIG_INFO *siginf,
1223                                                  const X509_ALGOR *alg,
1224                                                  const ASN1_STRING *sig));
1225 
1226 void EVP_PKEY_asn1_set_check(EVP_PKEY_ASN1_METHOD *ameth,
1227                              int (*pkey_check) (const EVP_PKEY *pk));
1228 
1229 void EVP_PKEY_asn1_set_public_check(EVP_PKEY_ASN1_METHOD *ameth,
1230                                     int (*pkey_pub_check) (const EVP_PKEY *pk));
1231 
1232 void EVP_PKEY_asn1_set_param_check(EVP_PKEY_ASN1_METHOD *ameth,
1233                                    int (*pkey_param_check) (const EVP_PKEY *pk));
1234 
1235 void EVP_PKEY_asn1_set_set_priv_key(EVP_PKEY_ASN1_METHOD *ameth,
1236                                     int (*set_priv_key) (EVP_PKEY *pk,
1237                                                          const unsigned char
1238                                                             *priv,
1239                                                          size_t len));
1240 void EVP_PKEY_asn1_set_set_pub_key(EVP_PKEY_ASN1_METHOD *ameth,
1241                                    int (*set_pub_key) (EVP_PKEY *pk,
1242                                                        const unsigned char *pub,
1243                                                        size_t len));
1244 void EVP_PKEY_asn1_set_get_priv_key(EVP_PKEY_ASN1_METHOD *ameth,
1245                                     int (*get_priv_key) (const EVP_PKEY *pk,
1246                                                          unsigned char *priv,
1247                                                          size_t *len));
1248 void EVP_PKEY_asn1_set_get_pub_key(EVP_PKEY_ASN1_METHOD *ameth,
1249                                    int (*get_pub_key) (const EVP_PKEY *pk,
1250                                                        unsigned char *pub,
1251                                                        size_t *len));
1252 
1253 void EVP_PKEY_asn1_set_security_bits(EVP_PKEY_ASN1_METHOD *ameth,
1254                                      int (*pkey_security_bits) (const EVP_PKEY
1255                                                                 *pk));
1256 
1257 # define EVP_PKEY_OP_UNDEFINED           0
1258 # define EVP_PKEY_OP_PARAMGEN            (1<<1)
1259 # define EVP_PKEY_OP_KEYGEN              (1<<2)
1260 # define EVP_PKEY_OP_SIGN                (1<<3)
1261 # define EVP_PKEY_OP_VERIFY              (1<<4)
1262 # define EVP_PKEY_OP_VERIFYRECOVER       (1<<5)
1263 # define EVP_PKEY_OP_SIGNCTX             (1<<6)
1264 # define EVP_PKEY_OP_VERIFYCTX           (1<<7)
1265 # define EVP_PKEY_OP_ENCRYPT             (1<<8)
1266 # define EVP_PKEY_OP_DECRYPT             (1<<9)
1267 # define EVP_PKEY_OP_DERIVE              (1<<10)
1268 
1269 # define EVP_PKEY_OP_TYPE_SIG    \
1270         (EVP_PKEY_OP_SIGN | EVP_PKEY_OP_VERIFY | EVP_PKEY_OP_VERIFYRECOVER \
1271                 | EVP_PKEY_OP_SIGNCTX | EVP_PKEY_OP_VERIFYCTX)
1272 
1273 # define EVP_PKEY_OP_TYPE_CRYPT \
1274         (EVP_PKEY_OP_ENCRYPT | EVP_PKEY_OP_DECRYPT)
1275 
1276 # define EVP_PKEY_OP_TYPE_NOGEN \
1277         (EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT | EVP_PKEY_OP_DERIVE)
1278 
1279 # define EVP_PKEY_OP_TYPE_GEN \
1280                 (EVP_PKEY_OP_PARAMGEN | EVP_PKEY_OP_KEYGEN)
1281 
1282 # define  EVP_PKEY_CTX_set_signature_md(ctx, md) \
1283                 EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,  \
1284                                         EVP_PKEY_CTRL_MD, 0, (void *)(md))
1285 
1286 # define  EVP_PKEY_CTX_get_signature_md(ctx, pmd)        \
1287                 EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,  \
1288                                         EVP_PKEY_CTRL_GET_MD, 0, (void *)(pmd))
1289 
1290 # define  EVP_PKEY_CTX_set_mac_key(ctx, key, len)        \
1291                 EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_KEYGEN,  \
1292                                   EVP_PKEY_CTRL_SET_MAC_KEY, len, (void *)(key))
1293 
1294 # define EVP_PKEY_CTRL_MD                1
1295 # define EVP_PKEY_CTRL_PEER_KEY          2
1296 
1297 # define EVP_PKEY_CTRL_PKCS7_ENCRYPT     3
1298 # define EVP_PKEY_CTRL_PKCS7_DECRYPT     4
1299 
1300 # define EVP_PKEY_CTRL_PKCS7_SIGN        5
1301 
1302 # define EVP_PKEY_CTRL_SET_MAC_KEY       6
1303 
1304 # define EVP_PKEY_CTRL_DIGESTINIT        7
1305 
1306 /* Used by GOST key encryption in TLS */
1307 # define EVP_PKEY_CTRL_SET_IV            8
1308 
1309 # define EVP_PKEY_CTRL_CMS_ENCRYPT       9
1310 # define EVP_PKEY_CTRL_CMS_DECRYPT       10
1311 # define EVP_PKEY_CTRL_CMS_SIGN          11
1312 
1313 # define EVP_PKEY_CTRL_CIPHER            12
1314 
1315 # define EVP_PKEY_CTRL_GET_MD            13
1316 
1317 # define EVP_PKEY_CTRL_SET_DIGEST_SIZE   14
1318 
1319 # define EVP_PKEY_ALG_CTRL               0x1000
1320 
1321 # define EVP_PKEY_FLAG_AUTOARGLEN        2
1322 /*
1323  * Method handles all operations: don't assume any digest related defaults.
1324  */
1325 # define EVP_PKEY_FLAG_SIGCTX_CUSTOM     4
1326 
1327 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type);
1328 EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags);
1329 void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
1330                              const EVP_PKEY_METHOD *meth);
1331 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src);
1332 void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth);
1333 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth);
1334 int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth);
1335 size_t EVP_PKEY_meth_get_count(void);
1336 const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx);
1337 
1338 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e);
1339 EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e);
1340 EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *ctx);
1341 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx);
1342 
1343 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
1344                       int cmd, int p1, void *p2);
1345 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *type,
1346                           const char *value);
1347 int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
1348                              int cmd, uint64_t value);
1349 
1350 int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str);
1351 int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex);
1352 
1353 int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md);
1354 
1355 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx);
1356 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen);
1357 
1358 EVP_PKEY *EVP_PKEY_new_mac_key(int type, ENGINE *e,
1359                                const unsigned char *key, int keylen);
1360 EVP_PKEY *EVP_PKEY_new_raw_private_key(int type, ENGINE *e,
1361                                        const unsigned char *priv,
1362                                        size_t len);
1363 EVP_PKEY *EVP_PKEY_new_raw_public_key(int type, ENGINE *e,
1364                                       const unsigned char *pub,
1365                                       size_t len);
1366 int EVP_PKEY_get_raw_private_key(const EVP_PKEY *pkey, unsigned char *priv,
1367                                  size_t *len);
1368 int EVP_PKEY_get_raw_public_key(const EVP_PKEY *pkey, unsigned char *pub,
1369                                 size_t *len);
1370 
1371 EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv,
1372                                 size_t len, const EVP_CIPHER *cipher);
1373 
1374 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data);
1375 void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx);
1376 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx);
1377 
1378 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx);
1379 
1380 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data);
1381 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx);
1382 
1383 int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx);
1384 int EVP_PKEY_sign(EVP_PKEY_CTX *ctx,
1385                   unsigned char *sig, size_t *siglen,
1386                   const unsigned char *tbs, size_t tbslen);
1387 int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx);
1388 int EVP_PKEY_verify(EVP_PKEY_CTX *ctx,
1389                     const unsigned char *sig, size_t siglen,
1390                     const unsigned char *tbs, size_t tbslen);
1391 int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx);
1392 int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx,
1393                             unsigned char *rout, size_t *routlen,
1394                             const unsigned char *sig, size_t siglen);
1395 int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx);
1396 int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx,
1397                      unsigned char *out, size_t *outlen,
1398                      const unsigned char *in, size_t inlen);
1399 int EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx);
1400 int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx,
1401                      unsigned char *out, size_t *outlen,
1402                      const unsigned char *in, size_t inlen);
1403 
1404 int EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx);
1405 int EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer);
1406 int EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
1407 
1408 typedef int EVP_PKEY_gen_cb(EVP_PKEY_CTX *ctx);
1409 
1410 int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx);
1411 int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
1412 int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx);
1413 int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
1414 int EVP_PKEY_check(EVP_PKEY_CTX *ctx);
1415 int EVP_PKEY_public_check(EVP_PKEY_CTX *ctx);
1416 int EVP_PKEY_param_check(EVP_PKEY_CTX *ctx);
1417 
1418 void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb);
1419 EVP_PKEY_gen_cb *EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx);
1420 
1421 int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx);
1422 
1423 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
1424                             int (*init) (EVP_PKEY_CTX *ctx));
1425 
1426 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
1427                             int (*copy) (EVP_PKEY_CTX *dst,
1428                                          EVP_PKEY_CTX *src));
1429 
1430 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
1431                                void (*cleanup) (EVP_PKEY_CTX *ctx));
1432 
1433 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
1434                                 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
1435                                 int (*paramgen) (EVP_PKEY_CTX *ctx,
1436                                                  EVP_PKEY *pkey));
1437 
1438 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
1439                               int (*keygen_init) (EVP_PKEY_CTX *ctx),
1440                               int (*keygen) (EVP_PKEY_CTX *ctx,
1441                                              EVP_PKEY *pkey));
1442 
1443 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
1444                             int (*sign_init) (EVP_PKEY_CTX *ctx),
1445                             int (*sign) (EVP_PKEY_CTX *ctx,
1446                                          unsigned char *sig, size_t *siglen,
1447                                          const unsigned char *tbs,
1448                                          size_t tbslen));
1449 
1450 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
1451                               int (*verify_init) (EVP_PKEY_CTX *ctx),
1452                               int (*verify) (EVP_PKEY_CTX *ctx,
1453                                              const unsigned char *sig,
1454                                              size_t siglen,
1455                                              const unsigned char *tbs,
1456                                              size_t tbslen));
1457 
1458 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
1459                                       int (*verify_recover_init) (EVP_PKEY_CTX
1460                                                                   *ctx),
1461                                       int (*verify_recover) (EVP_PKEY_CTX
1462                                                              *ctx,
1463                                                              unsigned char
1464                                                              *sig,
1465                                                              size_t *siglen,
1466                                                              const unsigned
1467                                                              char *tbs,
1468                                                              size_t tbslen));
1469 
1470 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
1471                                int (*signctx_init) (EVP_PKEY_CTX *ctx,
1472                                                     EVP_MD_CTX *mctx),
1473                                int (*signctx) (EVP_PKEY_CTX *ctx,
1474                                                unsigned char *sig,
1475                                                size_t *siglen,
1476                                                EVP_MD_CTX *mctx));
1477 
1478 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
1479                                  int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
1480                                                         EVP_MD_CTX *mctx),
1481                                  int (*verifyctx) (EVP_PKEY_CTX *ctx,
1482                                                    const unsigned char *sig,
1483                                                    int siglen,
1484                                                    EVP_MD_CTX *mctx));
1485 
1486 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
1487                                int (*encrypt_init) (EVP_PKEY_CTX *ctx),
1488                                int (*encryptfn) (EVP_PKEY_CTX *ctx,
1489                                                  unsigned char *out,
1490                                                  size_t *outlen,
1491                                                  const unsigned char *in,
1492                                                  size_t inlen));
1493 
1494 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
1495                                int (*decrypt_init) (EVP_PKEY_CTX *ctx),
1496                                int (*decrypt) (EVP_PKEY_CTX *ctx,
1497                                                unsigned char *out,
1498                                                size_t *outlen,
1499                                                const unsigned char *in,
1500                                                size_t inlen));
1501 
1502 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
1503                               int (*derive_init) (EVP_PKEY_CTX *ctx),
1504                               int (*derive) (EVP_PKEY_CTX *ctx,
1505                                              unsigned char *key,
1506                                              size_t *keylen));
1507 
1508 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
1509                             int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1510                                          void *p2),
1511                             int (*ctrl_str) (EVP_PKEY_CTX *ctx,
1512                                              const char *type,
1513                                              const char *value));
1514 
1515 void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth,
1516                                   int (*digestsign) (EVP_MD_CTX *ctx,
1517                                                      unsigned char *sig,
1518                                                      size_t *siglen,
1519                                                      const unsigned char *tbs,
1520                                                      size_t tbslen));
1521 
1522 void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth,
1523                                     int (*digestverify) (EVP_MD_CTX *ctx,
1524                                                          const unsigned char *sig,
1525                                                          size_t siglen,
1526                                                          const unsigned char *tbs,
1527                                                          size_t tbslen));
1528 
1529 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
1530                              int (*check) (EVP_PKEY *pkey));
1531 
1532 void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
1533                                     int (*check) (EVP_PKEY *pkey));
1534 
1535 void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
1536                                    int (*check) (EVP_PKEY *pkey));
1537 
1538 void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth,
1539                                      int (*digest_custom) (EVP_PKEY_CTX *ctx,
1540                                                            EVP_MD_CTX *mctx));
1541 
1542 void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
1543                             int (**pinit) (EVP_PKEY_CTX *ctx));
1544 
1545 void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
1546                             int (**pcopy) (EVP_PKEY_CTX *dst,
1547                                            EVP_PKEY_CTX *src));
1548 
1549 void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
1550                                void (**pcleanup) (EVP_PKEY_CTX *ctx));
1551 
1552 void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth,
1553                                 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
1554                                 int (**pparamgen) (EVP_PKEY_CTX *ctx,
1555                                                    EVP_PKEY *pkey));
1556 
1557 void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth,
1558                               int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
1559                               int (**pkeygen) (EVP_PKEY_CTX *ctx,
1560                                                EVP_PKEY *pkey));
1561 
1562 void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth,
1563                             int (**psign_init) (EVP_PKEY_CTX *ctx),
1564                             int (**psign) (EVP_PKEY_CTX *ctx,
1565                                            unsigned char *sig, size_t *siglen,
1566                                            const unsigned char *tbs,
1567                                            size_t tbslen));
1568 
1569 void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth,
1570                               int (**pverify_init) (EVP_PKEY_CTX *ctx),
1571                               int (**pverify) (EVP_PKEY_CTX *ctx,
1572                                                const unsigned char *sig,
1573                                                size_t siglen,
1574                                                const unsigned char *tbs,
1575                                                size_t tbslen));
1576 
1577 void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth,
1578                                       int (**pverify_recover_init) (EVP_PKEY_CTX
1579                                                                     *ctx),
1580                                       int (**pverify_recover) (EVP_PKEY_CTX
1581                                                                *ctx,
1582                                                                unsigned char
1583                                                                *sig,
1584                                                                size_t *siglen,
1585                                                                const unsigned
1586                                                                char *tbs,
1587                                                                size_t tbslen));
1588 
1589 void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth,
1590                                int (**psignctx_init) (EVP_PKEY_CTX *ctx,
1591                                                       EVP_MD_CTX *mctx),
1592                                int (**psignctx) (EVP_PKEY_CTX *ctx,
1593                                                  unsigned char *sig,
1594                                                  size_t *siglen,
1595                                                  EVP_MD_CTX *mctx));
1596 
1597 void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth,
1598                                  int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
1599                                                           EVP_MD_CTX *mctx),
1600                                  int (**pverifyctx) (EVP_PKEY_CTX *ctx,
1601                                                      const unsigned char *sig,
1602                                                      int siglen,
1603                                                      EVP_MD_CTX *mctx));
1604 
1605 void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth,
1606                                int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
1607                                int (**pencryptfn) (EVP_PKEY_CTX *ctx,
1608                                                    unsigned char *out,
1609                                                    size_t *outlen,
1610                                                    const unsigned char *in,
1611                                                    size_t inlen));
1612 
1613 void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth,
1614                                int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
1615                                int (**pdecrypt) (EVP_PKEY_CTX *ctx,
1616                                                  unsigned char *out,
1617                                                  size_t *outlen,
1618                                                  const unsigned char *in,
1619                                                  size_t inlen));
1620 
1621 void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth,
1622                               int (**pderive_init) (EVP_PKEY_CTX *ctx),
1623                               int (**pderive) (EVP_PKEY_CTX *ctx,
1624                                                unsigned char *key,
1625                                                size_t *keylen));
1626 
1627 void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
1628                             int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1629                                            void *p2),
1630                             int (**pctrl_str) (EVP_PKEY_CTX *ctx,
1631                                                const char *type,
1632                                                const char *value));
1633 
1634 void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth,
1635                                   int (**digestsign) (EVP_MD_CTX *ctx,
1636                                                       unsigned char *sig,
1637                                                       size_t *siglen,
1638                                                       const unsigned char *tbs,
1639                                                       size_t tbslen));
1640 
1641 void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth,
1642                                     int (**digestverify) (EVP_MD_CTX *ctx,
1643                                                           const unsigned char *sig,
1644                                                           size_t siglen,
1645                                                           const unsigned char *tbs,
1646                                                           size_t tbslen));
1647 
1648 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
1649                              int (**pcheck) (EVP_PKEY *pkey));
1650 
1651 void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
1652                                     int (**pcheck) (EVP_PKEY *pkey));
1653 
1654 void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
1655                                    int (**pcheck) (EVP_PKEY *pkey));
1656 
1657 void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth,
1658                                      int (**pdigest_custom) (EVP_PKEY_CTX *ctx,
1659                                                              EVP_MD_CTX *mctx));
1660 void EVP_add_alg_module(void);
1661 
1662 
1663 # ifdef  __cplusplus
1664 }
1665 # endif
1666 #endif
1667