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
67extern "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
76EVP_MD *EVP_MD_meth_new(int md_type, int pkey_type);
77EVP_MD *EVP_MD_meth_dup(const EVP_MD *md);
78void EVP_MD_meth_free(EVP_MD *md);
79
80int EVP_MD_meth_set_input_blocksize(EVP_MD *md, int blocksize);
81int EVP_MD_meth_set_result_size(EVP_MD *md, int resultsize);
82int EVP_MD_meth_set_app_datasize(EVP_MD *md, int datasize);
83int EVP_MD_meth_set_flags(EVP_MD *md, unsigned long flags);
84int EVP_MD_meth_set_init(EVP_MD *md, int (*init)(EVP_MD_CTX *ctx));
85int EVP_MD_meth_set_update(EVP_MD *md, int (*update)(EVP_MD_CTX *ctx,
86                                                     const void *data,
87                                                     size_t count));
88int EVP_MD_meth_set_final(EVP_MD *md, int (*final)(EVP_MD_CTX *ctx,
89                                                   unsigned char *md));
90int EVP_MD_meth_set_copy(EVP_MD *md, int (*copy)(EVP_MD_CTX *to,
91                                                 const EVP_MD_CTX *from));
92int EVP_MD_meth_set_cleanup(EVP_MD *md, int (*cleanup)(EVP_MD_CTX *ctx));
93int EVP_MD_meth_set_ctrl(EVP_MD *md, int (*ctrl)(EVP_MD_CTX *ctx, int cmd,
94                                                 int p1, void *p2));
95
96int EVP_MD_meth_get_input_blocksize(const EVP_MD *md);
97int EVP_MD_meth_get_result_size(const EVP_MD *md);
98int EVP_MD_meth_get_app_datasize(const EVP_MD *md);
99unsigned long EVP_MD_meth_get_flags(const EVP_MD *md);
100int (*EVP_MD_meth_get_init(const EVP_MD *md))(EVP_MD_CTX *ctx);
101int (*EVP_MD_meth_get_update(const EVP_MD *md))(EVP_MD_CTX *ctx,
102                                                const void *data,
103                                                size_t count);
104int (*EVP_MD_meth_get_final(const EVP_MD *md))(EVP_MD_CTX *ctx,
105                                               unsigned char *md);
106int (*EVP_MD_meth_get_copy(const EVP_MD *md))(EVP_MD_CTX *to,
107                                              const EVP_MD_CTX *from);
108int (*EVP_MD_meth_get_cleanup(const EVP_MD *md))(EVP_MD_CTX *ctx);
109int (*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
185EVP_CIPHER *EVP_CIPHER_meth_new(int cipher_type, int block_size, int key_len);
186EVP_CIPHER *EVP_CIPHER_meth_dup(const EVP_CIPHER *cipher);
187void EVP_CIPHER_meth_free(EVP_CIPHER *cipher);
188
189int EVP_CIPHER_meth_set_iv_length(EVP_CIPHER *cipher, int iv_len);
190int EVP_CIPHER_meth_set_flags(EVP_CIPHER *cipher, unsigned long flags);
191int EVP_CIPHER_meth_set_impl_ctx_size(EVP_CIPHER *cipher, int ctx_size);
192int 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));
197int 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));
202int EVP_CIPHER_meth_set_cleanup(EVP_CIPHER *cipher,
203                                int (*cleanup) (EVP_CIPHER_CTX *));
204int EVP_CIPHER_meth_set_set_asn1_params(EVP_CIPHER *cipher,
205                                        int (*set_asn1_parameters) (EVP_CIPHER_CTX *,
206                                                                    ASN1_TYPE *));
207int EVP_CIPHER_meth_set_get_asn1_params(EVP_CIPHER *cipher,
208                                        int (*get_asn1_parameters) (EVP_CIPHER_CTX *,
209                                                                    ASN1_TYPE *));
210int EVP_CIPHER_meth_set_ctrl(EVP_CIPHER *cipher,
211                             int (*ctrl) (EVP_CIPHER_CTX *, int type,
212                                          int arg, void *ptr));
213
214int (*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);
218int (*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);
222int (*EVP_CIPHER_meth_get_cleanup(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *);
223int (*EVP_CIPHER_meth_get_set_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
224                                                                     ASN1_TYPE *);
225int (*EVP_CIPHER_meth_get_get_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
226                                                               ASN1_TYPE *);
227int (*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
366typedef 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
396typedef 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 */
403typedef 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
443int 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))
446int EVP_MD_pkey_type(const EVP_MD *md);
447int EVP_MD_size(const EVP_MD *md);
448int EVP_MD_block_size(const EVP_MD *md);
449unsigned long EVP_MD_flags(const EVP_MD *md);
450
451const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx);
452int (*EVP_MD_CTX_update_fn(EVP_MD_CTX *ctx))(EVP_MD_CTX *ctx,
453                                             const void *data, size_t count);
454void 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))
460EVP_PKEY_CTX *EVP_MD_CTX_pkey_ctx(const EVP_MD_CTX *ctx);
461void EVP_MD_CTX_set_pkey_ctx(EVP_MD_CTX *ctx, EVP_PKEY_CTX *pctx);
462void *EVP_MD_CTX_md_data(const EVP_MD_CTX *ctx);
463
464int EVP_CIPHER_nid(const EVP_CIPHER *cipher);
465# define EVP_CIPHER_name(e)              OBJ_nid2sn(EVP_CIPHER_nid(e))
466int EVP_CIPHER_block_size(const EVP_CIPHER *cipher);
467int EVP_CIPHER_impl_ctx_size(const EVP_CIPHER *cipher);
468int EVP_CIPHER_key_length(const EVP_CIPHER *cipher);
469int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher);
470unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher);
471# define EVP_CIPHER_mode(e)              (EVP_CIPHER_flags(e) & EVP_CIPH_MODE)
472
473const EVP_CIPHER *EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx);
474int EVP_CIPHER_CTX_encrypting(const EVP_CIPHER_CTX *ctx);
475int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx);
476int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx);
477int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx);
478int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx);
479const unsigned char *EVP_CIPHER_CTX_iv(const EVP_CIPHER_CTX *ctx);
480const unsigned char *EVP_CIPHER_CTX_original_iv(const EVP_CIPHER_CTX *ctx);
481unsigned char *EVP_CIPHER_CTX_iv_noconst(EVP_CIPHER_CTX *ctx);
482unsigned char *EVP_CIPHER_CTX_buf_noconst(EVP_CIPHER_CTX *ctx);
483int EVP_CIPHER_CTX_num(const EVP_CIPHER_CTX *ctx);
484void EVP_CIPHER_CTX_set_num(EVP_CIPHER_CTX *ctx, int num);
485int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in);
486void *EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx);
487void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data);
488void *EVP_CIPHER_CTX_get_cipher_data(const EVP_CIPHER_CTX *ctx);
489void *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
511void 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
537int EVP_MD_CTX_ctrl(EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
538EVP_MD_CTX *EVP_MD_CTX_new(void);
539int EVP_MD_CTX_reset(EVP_MD_CTX *ctx);
540void 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);
545void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);
546void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);
547int 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
565int EVP_read_pw_string(char *buf, int length, const char *prompt, int verify);
566int EVP_read_pw_string_min(char *buf, int minlen, int maxlen,
567                           const char *prompt, int verify);
568void EVP_set_pw_prompt(const char *prompt);
569char *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
576void EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags);
577void EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags);
578int 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
658EVP_ENCODE_CTX *EVP_ENCODE_CTX_new(void);
659void EVP_ENCODE_CTX_free(EVP_ENCODE_CTX *ctx);
660int EVP_ENCODE_CTX_copy(EVP_ENCODE_CTX *dctx, EVP_ENCODE_CTX *sctx);
661int EVP_ENCODE_CTX_num(EVP_ENCODE_CTX *ctx);
662void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
663int EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
664                     const unsigned char *in, int inl);
665void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl);
666int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
667
668void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
669int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
670                     const unsigned char *in, int inl);
671int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
672                    char *out, int *outl);
673int 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
679EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void);
680int EVP_CIPHER_CTX_reset(EVP_CIPHER_CTX *c);
681void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *c);
682int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
683int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
684int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
685int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key);
686
687const BIO_METHOD *BIO_f_md(void);
688const BIO_METHOD *BIO_f_base64(void);
689const BIO_METHOD *BIO_f_cipher(void);
690const 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
694const EVP_MD *EVP_md_null(void);
695# ifndef OPENSSL_NO_MD2
696const EVP_MD *EVP_md2(void);
697# endif
698# ifndef OPENSSL_NO_MD4
699const EVP_MD *EVP_md4(void);
700# endif
701# ifndef OPENSSL_NO_MD5
702const EVP_MD *EVP_md5(void);
703const EVP_MD *EVP_md5_sha1(void);
704# endif
705# ifndef OPENSSL_NO_BLAKE2
706const EVP_MD *EVP_blake2b512(void);
707const EVP_MD *EVP_blake2s256(void);
708# endif
709const EVP_MD *EVP_sha1(void);
710const EVP_MD *EVP_sha224(void);
711const EVP_MD *EVP_sha256(void);
712const EVP_MD *EVP_sha384(void);
713const EVP_MD *EVP_sha512(void);
714const EVP_MD *EVP_sha512_224(void);
715const EVP_MD *EVP_sha512_256(void);
716const EVP_MD *EVP_sha3_224(void);
717const EVP_MD *EVP_sha3_256(void);
718const EVP_MD *EVP_sha3_384(void);
719const EVP_MD *EVP_sha3_512(void);
720const EVP_MD *EVP_shake128(void);
721const EVP_MD *EVP_shake256(void);
722# ifndef OPENSSL_NO_MDC2
723const EVP_MD *EVP_mdc2(void);
724# endif
725# ifndef OPENSSL_NO_RMD160
726const EVP_MD *EVP_ripemd160(void);
727# endif
728# ifndef OPENSSL_NO_WHIRLPOOL
729const EVP_MD *EVP_whirlpool(void);
730# endif
731# ifndef OPENSSL_NO_SM3
732const EVP_MD *EVP_sm3(void);
733# endif
734const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
735# ifndef OPENSSL_NO_DES
736const EVP_CIPHER *EVP_des_ecb(void);
737const EVP_CIPHER *EVP_des_ede(void);
738const EVP_CIPHER *EVP_des_ede3(void);
739const EVP_CIPHER *EVP_des_ede_ecb(void);
740const EVP_CIPHER *EVP_des_ede3_ecb(void);
741const EVP_CIPHER *EVP_des_cfb64(void);
742#  define EVP_des_cfb EVP_des_cfb64
743const EVP_CIPHER *EVP_des_cfb1(void);
744const EVP_CIPHER *EVP_des_cfb8(void);
745const EVP_CIPHER *EVP_des_ede_cfb64(void);
746#  define EVP_des_ede_cfb EVP_des_ede_cfb64
747const EVP_CIPHER *EVP_des_ede3_cfb64(void);
748#  define EVP_des_ede3_cfb EVP_des_ede3_cfb64
749const EVP_CIPHER *EVP_des_ede3_cfb1(void);
750const EVP_CIPHER *EVP_des_ede3_cfb8(void);
751const EVP_CIPHER *EVP_des_ofb(void);
752const EVP_CIPHER *EVP_des_ede_ofb(void);
753const EVP_CIPHER *EVP_des_ede3_ofb(void);
754const EVP_CIPHER *EVP_des_cbc(void);
755const EVP_CIPHER *EVP_des_ede_cbc(void);
756const EVP_CIPHER *EVP_des_ede3_cbc(void);
757const EVP_CIPHER *EVP_desx_cbc(void);
758const 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
766const EVP_CIPHER *EVP_rc4(void);
767const EVP_CIPHER *EVP_rc4_40(void);
768#  ifndef OPENSSL_NO_MD5
769const EVP_CIPHER *EVP_rc4_hmac_md5(void);
770#  endif
771# endif
772# ifndef OPENSSL_NO_IDEA
773const EVP_CIPHER *EVP_idea_ecb(void);
774const EVP_CIPHER *EVP_idea_cfb64(void);
775#  define EVP_idea_cfb EVP_idea_cfb64
776const EVP_CIPHER *EVP_idea_ofb(void);
777const EVP_CIPHER *EVP_idea_cbc(void);
778# endif
779# ifndef OPENSSL_NO_RC2
780const EVP_CIPHER *EVP_rc2_ecb(void);
781const EVP_CIPHER *EVP_rc2_cbc(void);
782const EVP_CIPHER *EVP_rc2_40_cbc(void);
783const EVP_CIPHER *EVP_rc2_64_cbc(void);
784const EVP_CIPHER *EVP_rc2_cfb64(void);
785#  define EVP_rc2_cfb EVP_rc2_cfb64
786const EVP_CIPHER *EVP_rc2_ofb(void);
787# endif
788# ifndef OPENSSL_NO_BF
789const EVP_CIPHER *EVP_bf_ecb(void);
790const EVP_CIPHER *EVP_bf_cbc(void);
791const EVP_CIPHER *EVP_bf_cfb64(void);
792#  define EVP_bf_cfb EVP_bf_cfb64
793const EVP_CIPHER *EVP_bf_ofb(void);
794# endif
795# ifndef OPENSSL_NO_CAST
796const EVP_CIPHER *EVP_cast5_ecb(void);
797const EVP_CIPHER *EVP_cast5_cbc(void);
798const EVP_CIPHER *EVP_cast5_cfb64(void);
799#  define EVP_cast5_cfb EVP_cast5_cfb64
800const EVP_CIPHER *EVP_cast5_ofb(void);
801# endif
802# ifndef OPENSSL_NO_RC5
803const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
804const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
805const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void);
806#  define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64
807const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
808# endif
809const EVP_CIPHER *EVP_aes_128_ecb(void);
810const EVP_CIPHER *EVP_aes_128_cbc(void);
811const EVP_CIPHER *EVP_aes_128_cfb1(void);
812const EVP_CIPHER *EVP_aes_128_cfb8(void);
813const EVP_CIPHER *EVP_aes_128_cfb128(void);
814# define EVP_aes_128_cfb EVP_aes_128_cfb128
815const EVP_CIPHER *EVP_aes_128_ofb(void);
816const EVP_CIPHER *EVP_aes_128_ctr(void);
817const EVP_CIPHER *EVP_aes_128_ccm(void);
818const EVP_CIPHER *EVP_aes_128_gcm(void);
819const EVP_CIPHER *EVP_aes_128_xts(void);
820const EVP_CIPHER *EVP_aes_128_wrap(void);
821const EVP_CIPHER *EVP_aes_128_wrap_pad(void);
822# ifndef OPENSSL_NO_OCB
823const EVP_CIPHER *EVP_aes_128_ocb(void);
824# endif
825const EVP_CIPHER *EVP_aes_192_ecb(void);
826const EVP_CIPHER *EVP_aes_192_cbc(void);
827const EVP_CIPHER *EVP_aes_192_cfb1(void);
828const EVP_CIPHER *EVP_aes_192_cfb8(void);
829const EVP_CIPHER *EVP_aes_192_cfb128(void);
830# define EVP_aes_192_cfb EVP_aes_192_cfb128
831const EVP_CIPHER *EVP_aes_192_ofb(void);
832const EVP_CIPHER *EVP_aes_192_ctr(void);
833const EVP_CIPHER *EVP_aes_192_ccm(void);
834const EVP_CIPHER *EVP_aes_192_gcm(void);
835const EVP_CIPHER *EVP_aes_192_wrap(void);
836const EVP_CIPHER *EVP_aes_192_wrap_pad(void);
837# ifndef OPENSSL_NO_OCB
838const EVP_CIPHER *EVP_aes_192_ocb(void);
839# endif
840const EVP_CIPHER *EVP_aes_256_ecb(void);
841const EVP_CIPHER *EVP_aes_256_cbc(void);
842const EVP_CIPHER *EVP_aes_256_cfb1(void);
843const EVP_CIPHER *EVP_aes_256_cfb8(void);
844const EVP_CIPHER *EVP_aes_256_cfb128(void);
845# define EVP_aes_256_cfb EVP_aes_256_cfb128
846const EVP_CIPHER *EVP_aes_256_ofb(void);
847const EVP_CIPHER *EVP_aes_256_ctr(void);
848const EVP_CIPHER *EVP_aes_256_ccm(void);
849const EVP_CIPHER *EVP_aes_256_gcm(void);
850const EVP_CIPHER *EVP_aes_256_xts(void);
851const EVP_CIPHER *EVP_aes_256_wrap(void);
852const EVP_CIPHER *EVP_aes_256_wrap_pad(void);
853# ifndef OPENSSL_NO_OCB
854const EVP_CIPHER *EVP_aes_256_ocb(void);
855# endif
856const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void);
857const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void);
858const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha256(void);
859const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha256(void);
860# ifndef OPENSSL_NO_ARIA
861const EVP_CIPHER *EVP_aria_128_ecb(void);
862const EVP_CIPHER *EVP_aria_128_cbc(void);
863const EVP_CIPHER *EVP_aria_128_cfb1(void);
864const EVP_CIPHER *EVP_aria_128_cfb8(void);
865const EVP_CIPHER *EVP_aria_128_cfb128(void);
866#  define EVP_aria_128_cfb EVP_aria_128_cfb128
867const EVP_CIPHER *EVP_aria_128_ctr(void);
868const EVP_CIPHER *EVP_aria_128_ofb(void);
869const EVP_CIPHER *EVP_aria_128_gcm(void);
870const EVP_CIPHER *EVP_aria_128_ccm(void);
871const EVP_CIPHER *EVP_aria_192_ecb(void);
872const EVP_CIPHER *EVP_aria_192_cbc(void);
873const EVP_CIPHER *EVP_aria_192_cfb1(void);
874const EVP_CIPHER *EVP_aria_192_cfb8(void);
875const EVP_CIPHER *EVP_aria_192_cfb128(void);
876#  define EVP_aria_192_cfb EVP_aria_192_cfb128
877const EVP_CIPHER *EVP_aria_192_ctr(void);
878const EVP_CIPHER *EVP_aria_192_ofb(void);
879const EVP_CIPHER *EVP_aria_192_gcm(void);
880const EVP_CIPHER *EVP_aria_192_ccm(void);
881const EVP_CIPHER *EVP_aria_256_ecb(void);
882const EVP_CIPHER *EVP_aria_256_cbc(void);
883const EVP_CIPHER *EVP_aria_256_cfb1(void);
884const EVP_CIPHER *EVP_aria_256_cfb8(void);
885const EVP_CIPHER *EVP_aria_256_cfb128(void);
886#  define EVP_aria_256_cfb EVP_aria_256_cfb128
887const EVP_CIPHER *EVP_aria_256_ctr(void);
888const EVP_CIPHER *EVP_aria_256_ofb(void);
889const EVP_CIPHER *EVP_aria_256_gcm(void);
890const EVP_CIPHER *EVP_aria_256_ccm(void);
891# endif
892# ifndef OPENSSL_NO_CAMELLIA
893const EVP_CIPHER *EVP_camellia_128_ecb(void);
894const EVP_CIPHER *EVP_camellia_128_cbc(void);
895const EVP_CIPHER *EVP_camellia_128_cfb1(void);
896const EVP_CIPHER *EVP_camellia_128_cfb8(void);
897const EVP_CIPHER *EVP_camellia_128_cfb128(void);
898#  define EVP_camellia_128_cfb EVP_camellia_128_cfb128
899const EVP_CIPHER *EVP_camellia_128_ofb(void);
900const EVP_CIPHER *EVP_camellia_128_ctr(void);
901const EVP_CIPHER *EVP_camellia_192_ecb(void);
902const EVP_CIPHER *EVP_camellia_192_cbc(void);
903const EVP_CIPHER *EVP_camellia_192_cfb1(void);
904const EVP_CIPHER *EVP_camellia_192_cfb8(void);
905const EVP_CIPHER *EVP_camellia_192_cfb128(void);
906#  define EVP_camellia_192_cfb EVP_camellia_192_cfb128
907const EVP_CIPHER *EVP_camellia_192_ofb(void);
908const EVP_CIPHER *EVP_camellia_192_ctr(void);
909const EVP_CIPHER *EVP_camellia_256_ecb(void);
910const EVP_CIPHER *EVP_camellia_256_cbc(void);
911const EVP_CIPHER *EVP_camellia_256_cfb1(void);
912const EVP_CIPHER *EVP_camellia_256_cfb8(void);
913const EVP_CIPHER *EVP_camellia_256_cfb128(void);
914#  define EVP_camellia_256_cfb EVP_camellia_256_cfb128
915const EVP_CIPHER *EVP_camellia_256_ofb(void);
916const EVP_CIPHER *EVP_camellia_256_ctr(void);
917# endif
918# ifndef OPENSSL_NO_CHACHA
919const EVP_CIPHER *EVP_chacha20(void);
920#  ifndef OPENSSL_NO_POLY1305
921const EVP_CIPHER *EVP_chacha20_poly1305(void);
922#  endif
923# endif
924
925# ifndef OPENSSL_NO_SEED
926const EVP_CIPHER *EVP_seed_ecb(void);
927const EVP_CIPHER *EVP_seed_cbc(void);
928const EVP_CIPHER *EVP_seed_cfb128(void);
929#  define EVP_seed_cfb EVP_seed_cfb128
930const EVP_CIPHER *EVP_seed_ofb(void);
931# endif
932
933# ifndef OPENSSL_NO_SM4
934const EVP_CIPHER *EVP_sm4_ecb(void);
935const EVP_CIPHER *EVP_sm4_cbc(void);
936const EVP_CIPHER *EVP_sm4_cfb128(void);
937#  define EVP_sm4_cfb EVP_sm4_cfb128
938const EVP_CIPHER *EVP_sm4_ofb(void);
939const 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
965int EVP_add_cipher(const EVP_CIPHER *cipher);
966int EVP_add_digest(const EVP_MD *digest);
967
968const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
969const EVP_MD *EVP_get_digestbyname(const char *name);
970
971void EVP_CIPHER_do_all(void (*fn) (const EVP_CIPHER *ciph,
972                                   const char *from, const char *to, void *x),
973                       void *arg);
974void EVP_CIPHER_do_all_sorted(void (*fn)
975                               (const EVP_CIPHER *ciph, const char *from,
976                                const char *to, void *x), void *arg);
977
978void EVP_MD_do_all(void (*fn) (const EVP_MD *ciph,
979                               const char *from, const char *to, void *x),
980                   void *arg);
981void EVP_MD_do_all_sorted(void (*fn)
982                           (const EVP_MD *ciph, const char *from,
983                            const char *to, void *x), void *arg);
984
985int EVP_PKEY_decrypt_old(unsigned char *dec_key,
986                         const unsigned char *enc_key, int enc_key_len,
987                         EVP_PKEY *private_key);
988int EVP_PKEY_encrypt_old(unsigned char *enc_key,
989                         const unsigned char *key, int key_len,
990                         EVP_PKEY *pub_key);
991int EVP_PKEY_type(int type);
992int EVP_PKEY_id(const EVP_PKEY *pkey);
993int EVP_PKEY_base_id(const EVP_PKEY *pkey);
994int EVP_PKEY_bits(const EVP_PKEY *pkey);
995int EVP_PKEY_security_bits(const EVP_PKEY *pkey);
996int EVP_PKEY_size(const EVP_PKEY *pkey);
997int EVP_PKEY_set_type(EVP_PKEY *pkey, int type);
998int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len);
999int EVP_PKEY_set_alias_type(EVP_PKEY *pkey, int type);
1000# ifndef OPENSSL_NO_ENGINE
1001int EVP_PKEY_set1_engine(EVP_PKEY *pkey, ENGINE *e);
1002ENGINE *EVP_PKEY_get0_engine(const EVP_PKEY *pkey);
1003# endif
1004int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key);
1005void *EVP_PKEY_get0(const EVP_PKEY *pkey);
1006const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len);
1007# ifndef OPENSSL_NO_POLY1305
1008const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY *pkey, size_t *len);
1009# endif
1010# ifndef OPENSSL_NO_SIPHASH
1011const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY *pkey, size_t *len);
1012# endif
1013
1014# ifndef OPENSSL_NO_RSA
1015struct rsa_st;
1016int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, struct rsa_st *key);
1017struct rsa_st *EVP_PKEY_get0_RSA(EVP_PKEY *pkey);
1018struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
1019# endif
1020# ifndef OPENSSL_NO_DSA
1021struct dsa_st;
1022int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, struct dsa_st *key);
1023struct dsa_st *EVP_PKEY_get0_DSA(EVP_PKEY *pkey);
1024struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
1025# endif
1026# ifndef OPENSSL_NO_DH
1027struct dh_st;
1028int EVP_PKEY_set1_DH(EVP_PKEY *pkey, struct dh_st *key);
1029struct dh_st *EVP_PKEY_get0_DH(EVP_PKEY *pkey);
1030struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
1031# endif
1032# ifndef OPENSSL_NO_EC
1033struct ec_key_st;
1034int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, struct ec_key_st *key);
1035struct ec_key_st *EVP_PKEY_get0_EC_KEY(EVP_PKEY *pkey);
1036struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
1037# endif
1038
1039EVP_PKEY *EVP_PKEY_new(void);
1040int EVP_PKEY_up_ref(EVP_PKEY *pkey);
1041void EVP_PKEY_free(EVP_PKEY *pkey);
1042
1043EVP_PKEY *d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp,
1044                        long length);
1045int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
1046
1047EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp,
1048                         long length);
1049EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
1050                             long length);
1051int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
1052
1053int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
1054int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
1055int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode);
1056int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);
1057
1058int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);
1059
1060int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
1061                          int indent, ASN1_PCTX *pctx);
1062int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
1063                           int indent, ASN1_PCTX *pctx);
1064int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
1065                          int indent, ASN1_PCTX *pctx);
1066
1067int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid);
1068
1069int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY *pkey,
1070                                   const unsigned char *pt, size_t ptlen);
1071size_t EVP_PKEY_get1_tls_encodedpoint(EVP_PKEY *pkey, unsigned char **ppt);
1072
1073int EVP_CIPHER_type(const EVP_CIPHER *ctx);
1074
1075/* calls methods */
1076int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1077int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1078
1079/* These are used by EVP_CIPHER methods */
1080int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1081int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1082
1083/* PKCS5 password based encryption */
1084int 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);
1087int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
1088                           const unsigned char *salt, int saltlen, int iter,
1089                           int keylen, unsigned char *out);
1090int 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);
1093int 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
1098int 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
1103int 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
1108void PKCS5_PBE_add(void);
1109
1110int 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
1122int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid,
1123                         int md_nid, EVP_PBE_KEYGEN *keygen);
1124int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
1125                    EVP_PBE_KEYGEN *keygen);
1126int EVP_PBE_find(int type, int pbe_nid, int *pcnid, int *pmnid,
1127                 EVP_PBE_KEYGEN **pkeygen);
1128void EVP_PBE_cleanup(void);
1129int 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
1145int EVP_PKEY_asn1_get_count(void);
1146const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx);
1147const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type);
1148const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
1149                                                   const char *str, int len);
1150int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth);
1151int EVP_PKEY_asn1_add_alias(int to, int from);
1152int 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
1157const EVP_PKEY_ASN1_METHOD *EVP_PKEY_get0_asn1(const EVP_PKEY *pkey);
1158EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_new(int id, int flags,
1159                                        const char *pem_str,
1160                                        const char *info);
1161void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst,
1162                        const EVP_PKEY_ASN1_METHOD *src);
1163void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth);
1164void 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));
1176void 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));
1186void 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
1202void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
1203                            void (*pkey_free) (EVP_PKEY *pkey));
1204void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
1205                            int (*pkey_ctrl) (EVP_PKEY *pkey, int op,
1206                                              long arg1, void *arg2));
1207void 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
1221void 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
1226void EVP_PKEY_asn1_set_check(EVP_PKEY_ASN1_METHOD *ameth,
1227                             int (*pkey_check) (const EVP_PKEY *pk));
1228
1229void EVP_PKEY_asn1_set_public_check(EVP_PKEY_ASN1_METHOD *ameth,
1230                                    int (*pkey_pub_check) (const EVP_PKEY *pk));
1231
1232void EVP_PKEY_asn1_set_param_check(EVP_PKEY_ASN1_METHOD *ameth,
1233                                   int (*pkey_param_check) (const EVP_PKEY *pk));
1234
1235void 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));
1240void 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));
1244void 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));
1248void 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
1253void 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
1327const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type);
1328EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags);
1329void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
1330                             const EVP_PKEY_METHOD *meth);
1331void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src);
1332void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth);
1333int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth);
1334int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth);
1335size_t EVP_PKEY_meth_get_count(void);
1336const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx);
1337
1338EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e);
1339EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e);
1340EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *ctx);
1341void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx);
1342
1343int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
1344                      int cmd, int p1, void *p2);
1345int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *type,
1346                          const char *value);
1347int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
1348                             int cmd, uint64_t value);
1349
1350int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str);
1351int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex);
1352
1353int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md);
1354
1355int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx);
1356void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen);
1357
1358EVP_PKEY *EVP_PKEY_new_mac_key(int type, ENGINE *e,
1359                               const unsigned char *key, int keylen);
1360EVP_PKEY *EVP_PKEY_new_raw_private_key(int type, ENGINE *e,
1361                                       const unsigned char *priv,
1362                                       size_t len);
1363EVP_PKEY *EVP_PKEY_new_raw_public_key(int type, ENGINE *e,
1364                                      const unsigned char *pub,
1365                                      size_t len);
1366int EVP_PKEY_get_raw_private_key(const EVP_PKEY *pkey, unsigned char *priv,
1367                                 size_t *len);
1368int EVP_PKEY_get_raw_public_key(const EVP_PKEY *pkey, unsigned char *pub,
1369                                size_t *len);
1370
1371EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv,
1372                                size_t len, const EVP_CIPHER *cipher);
1373
1374void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data);
1375void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx);
1376EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx);
1377
1378EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx);
1379
1380void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data);
1381void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx);
1382
1383int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx);
1384int EVP_PKEY_sign(EVP_PKEY_CTX *ctx,
1385                  unsigned char *sig, size_t *siglen,
1386                  const unsigned char *tbs, size_t tbslen);
1387int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx);
1388int EVP_PKEY_verify(EVP_PKEY_CTX *ctx,
1389                    const unsigned char *sig, size_t siglen,
1390                    const unsigned char *tbs, size_t tbslen);
1391int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx);
1392int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx,
1393                            unsigned char *rout, size_t *routlen,
1394                            const unsigned char *sig, size_t siglen);
1395int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx);
1396int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx,
1397                     unsigned char *out, size_t *outlen,
1398                     const unsigned char *in, size_t inlen);
1399int EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx);
1400int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx,
1401                     unsigned char *out, size_t *outlen,
1402                     const unsigned char *in, size_t inlen);
1403
1404int EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx);
1405int EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer);
1406int EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
1407
1408typedef int EVP_PKEY_gen_cb(EVP_PKEY_CTX *ctx);
1409
1410int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx);
1411int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
1412int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx);
1413int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
1414int EVP_PKEY_check(EVP_PKEY_CTX *ctx);
1415int EVP_PKEY_public_check(EVP_PKEY_CTX *ctx);
1416int EVP_PKEY_param_check(EVP_PKEY_CTX *ctx);
1417
1418void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb);
1419EVP_PKEY_gen_cb *EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx);
1420
1421int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx);
1422
1423void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
1424                            int (*init) (EVP_PKEY_CTX *ctx));
1425
1426void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
1427                            int (*copy) (EVP_PKEY_CTX *dst,
1428                                         EVP_PKEY_CTX *src));
1429
1430void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
1431                               void (*cleanup) (EVP_PKEY_CTX *ctx));
1432
1433void 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
1438void 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
1443void 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
1450void 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
1458void 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
1470void 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
1478void 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
1486void 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
1494void 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
1502void 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
1508void 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
1515void 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
1522void 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
1529void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
1530                             int (*check) (EVP_PKEY *pkey));
1531
1532void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
1533                                    int (*check) (EVP_PKEY *pkey));
1534
1535void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
1536                                   int (*check) (EVP_PKEY *pkey));
1537
1538void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth,
1539                                     int (*digest_custom) (EVP_PKEY_CTX *ctx,
1540                                                           EVP_MD_CTX *mctx));
1541
1542void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
1543                            int (**pinit) (EVP_PKEY_CTX *ctx));
1544
1545void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
1546                            int (**pcopy) (EVP_PKEY_CTX *dst,
1547                                           EVP_PKEY_CTX *src));
1548
1549void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
1550                               void (**pcleanup) (EVP_PKEY_CTX *ctx));
1551
1552void 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
1557void 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
1562void 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
1569void 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
1577void 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
1589void 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
1597void 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
1605void 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
1613void 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
1621void 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
1627void 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
1634void 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
1641void 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
1648void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
1649                             int (**pcheck) (EVP_PKEY *pkey));
1650
1651void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
1652                                    int (**pcheck) (EVP_PKEY *pkey));
1653
1654void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
1655                                   int (**pcheck) (EVP_PKEY *pkey));
1656
1657void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth,
1658                                     int (**pdigest_custom) (EVP_PKEY_CTX *ctx,
1659                                                             EVP_MD_CTX *mctx));
1660void EVP_add_alg_module(void);
1661
1662
1663# ifdef  __cplusplus
1664}
1665# endif
1666#endif
1667