1 /* crypto/evp/evp.h */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  *
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  *
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  *
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  *
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  *
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 
59 #ifndef HEADER_ENVELOPE_H
60 # define HEADER_ENVELOPE_H
61 
62 # ifdef OPENSSL_ALGORITHM_DEFINES
63 #  include <openssl/opensslconf.h>
64 # else
65 #  define OPENSSL_ALGORITHM_DEFINES
66 #  include <openssl/opensslconf.h>
67 #  undef OPENSSL_ALGORITHM_DEFINES
68 # endif
69 
70 # include <openssl/ossl_typ.h>
71 
72 # include <openssl/symhacks.h>
73 
74 # ifndef OPENSSL_NO_BIO
75 #  include <openssl/bio.h>
76 # endif
77 
78 /*-
79 #define EVP_RC2_KEY_SIZE                16
80 #define EVP_RC4_KEY_SIZE                16
81 #define EVP_BLOWFISH_KEY_SIZE           16
82 #define EVP_CAST5_KEY_SIZE              16
83 #define EVP_RC5_32_12_16_KEY_SIZE       16
84 */
85 # define EVP_MAX_MD_SIZE                 64/* longest known is SHA512 */
86 # define EVP_MAX_KEY_LENGTH              64
87 # define EVP_MAX_IV_LENGTH               16
88 # define EVP_MAX_BLOCK_LENGTH            32
89 
90 # define PKCS5_SALT_LEN                  8
91 /* Default PKCS#5 iteration count */
92 # define PKCS5_DEFAULT_ITER              2048
93 
94 # include <openssl/objects.h>
95 
96 # define EVP_PK_RSA      0x0001
97 # define EVP_PK_DSA      0x0002
98 # define EVP_PK_DH       0x0004
99 # define EVP_PK_EC       0x0008
100 # define EVP_PKT_SIGN    0x0010
101 # define EVP_PKT_ENC     0x0020
102 # define EVP_PKT_EXCH    0x0040
103 # define EVP_PKS_RSA     0x0100
104 # define EVP_PKS_DSA     0x0200
105 # define EVP_PKS_EC      0x0400
106 
107 # define EVP_PKEY_NONE   NID_undef
108 # define EVP_PKEY_RSA    NID_rsaEncryption
109 # define EVP_PKEY_RSA2   NID_rsa
110 # define EVP_PKEY_DSA    NID_dsa
111 # define EVP_PKEY_DSA1   NID_dsa_2
112 # define EVP_PKEY_DSA2   NID_dsaWithSHA
113 # define EVP_PKEY_DSA3   NID_dsaWithSHA1
114 # define EVP_PKEY_DSA4   NID_dsaWithSHA1_2
115 # define EVP_PKEY_DH     NID_dhKeyAgreement
116 # define EVP_PKEY_EC     NID_X9_62_id_ecPublicKey
117 # define EVP_PKEY_HMAC   NID_hmac
118 # define EVP_PKEY_CMAC   NID_cmac
119 
120 #ifdef  __cplusplus
121 extern "C" {
122 #endif
123 
124 /*
125  * Type needs to be a bit field Sub-type needs to be for variations on the
126  * method, as in, can it do arbitrary encryption....
127  */
128 struct evp_pkey_st {
129     int type;
130     int save_type;
131     int references;
132     const EVP_PKEY_ASN1_METHOD *ameth;
133     ENGINE *engine;
134     union {
135         char *ptr;
136 # ifndef OPENSSL_NO_RSA
137         struct rsa_st *rsa;     /* RSA */
138 # endif
139 # ifndef OPENSSL_NO_DSA
140         struct dsa_st *dsa;     /* DSA */
141 # endif
142 # ifndef OPENSSL_NO_DH
143         struct dh_st *dh;       /* DH */
144 # endif
145 # ifndef OPENSSL_NO_EC
146         struct ec_key_st *ec;   /* ECC */
147 # endif
148     } pkey;
149     int save_parameters;
150     STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
151 } /* EVP_PKEY */ ;
152 
153 # define EVP_PKEY_MO_SIGN        0x0001
154 # define EVP_PKEY_MO_VERIFY      0x0002
155 # define EVP_PKEY_MO_ENCRYPT     0x0004
156 # define EVP_PKEY_MO_DECRYPT     0x0008
157 
158 # ifndef EVP_MD
159 struct env_md_st {
160     int type;
161     int pkey_type;
162     int md_size;
163     unsigned long flags;
164     int (*init) (EVP_MD_CTX *ctx);
165     int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count);
166     int (*final) (EVP_MD_CTX *ctx, unsigned char *md);
167     int (*copy) (EVP_MD_CTX *to, const EVP_MD_CTX *from);
168     int (*cleanup) (EVP_MD_CTX *ctx);
169     /* FIXME: prototype these some day */
170     int (*sign) (int type, const unsigned char *m, unsigned int m_length,
171                  unsigned char *sigret, unsigned int *siglen, void *key);
172     int (*verify) (int type, const unsigned char *m, unsigned int m_length,
173                    const unsigned char *sigbuf, unsigned int siglen,
174                    void *key);
175     int required_pkey_type[5];  /* EVP_PKEY_xxx */
176     int block_size;
177     int ctx_size;               /* how big does the ctx->md_data need to be */
178     /* control function */
179     int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
180 } /* EVP_MD */ ;
181 
182 typedef int evp_sign_method(int type, const unsigned char *m,
183                             unsigned int m_length, unsigned char *sigret,
184                             unsigned int *siglen, void *key);
185 typedef int evp_verify_method(int type, const unsigned char *m,
186                               unsigned int m_length,
187                               const unsigned char *sigbuf,
188                               unsigned int siglen, void *key);
189 
190 /* digest can only handle a single block */
191 #  define EVP_MD_FLAG_ONESHOT     0x0001
192 
193 /*
194  * digest is a "clone" digest used
195  * which is a copy of an existing
196  * one for a specific public key type.
197  * EVP_dss1() etc
198  */
199 #  define EVP_MD_FLAG_PKEY_DIGEST 0x0002
200 
201 /* Digest uses EVP_PKEY_METHOD for signing instead of MD specific signing */
202 
203 #  define EVP_MD_FLAG_PKEY_METHOD_SIGNATURE       0x0004
204 
205 /* DigestAlgorithmIdentifier flags... */
206 
207 #  define EVP_MD_FLAG_DIGALGID_MASK               0x0018
208 
209 /* NULL or absent parameter accepted. Use NULL */
210 
211 #  define EVP_MD_FLAG_DIGALGID_NULL               0x0000
212 
213 /* NULL or absent parameter accepted. Use NULL for PKCS#1 otherwise absent */
214 
215 #  define EVP_MD_FLAG_DIGALGID_ABSENT             0x0008
216 
217 /* Custom handling via ctrl */
218 
219 #  define EVP_MD_FLAG_DIGALGID_CUSTOM             0x0018
220 
221 /* Note if suitable for use in FIPS mode */
222 #  define EVP_MD_FLAG_FIPS        0x0400
223 
224 /* Digest ctrls */
225 
226 #  define EVP_MD_CTRL_DIGALGID                    0x1
227 #  define EVP_MD_CTRL_MICALG                      0x2
228 
229 /* Minimum Algorithm specific ctrl value */
230 
231 #  define EVP_MD_CTRL_ALG_CTRL                    0x1000
232 
233 #  define EVP_PKEY_NULL_method    NULL,NULL,{0,0,0,0}
234 
235 #  ifndef OPENSSL_NO_DSA
236 #   define EVP_PKEY_DSA_method     (evp_sign_method *)DSA_sign, \
237                                 (evp_verify_method *)DSA_verify, \
238                                 {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
239                                         EVP_PKEY_DSA4,0}
240 #  else
241 #   define EVP_PKEY_DSA_method     EVP_PKEY_NULL_method
242 #  endif
243 
244 #  ifndef OPENSSL_NO_ECDSA
245 #   define EVP_PKEY_ECDSA_method   (evp_sign_method *)ECDSA_sign, \
246                                 (evp_verify_method *)ECDSA_verify, \
247                                  {EVP_PKEY_EC,0,0,0}
248 #  else
249 #   define EVP_PKEY_ECDSA_method   EVP_PKEY_NULL_method
250 #  endif
251 
252 #  ifndef OPENSSL_NO_RSA
253 #   define EVP_PKEY_RSA_method     (evp_sign_method *)RSA_sign, \
254                                 (evp_verify_method *)RSA_verify, \
255                                 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
256 #   define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
257                                 (evp_sign_method *)RSA_sign_ASN1_OCTET_STRING, \
258                                 (evp_verify_method *)RSA_verify_ASN1_OCTET_STRING, \
259                                 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
260 #  else
261 #   define EVP_PKEY_RSA_method     EVP_PKEY_NULL_method
262 #   define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method
263 #  endif
264 
265 # endif                         /* !EVP_MD */
266 
267 struct env_md_ctx_st {
268     const EVP_MD *digest;
269     ENGINE *engine;             /* functional reference if 'digest' is
270                                  * ENGINE-provided */
271     unsigned long flags;
272     void *md_data;
273     /* Public key context for sign/verify */
274     EVP_PKEY_CTX *pctx;
275     /* Update function: usually copied from EVP_MD */
276     int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count);
277 } /* EVP_MD_CTX */ ;
278 
279 /* values for EVP_MD_CTX flags */
280 
281 # define EVP_MD_CTX_FLAG_ONESHOT         0x0001/* digest update will be
282                                                 * called once only */
283 # define EVP_MD_CTX_FLAG_CLEANED         0x0002/* context has already been
284                                                 * cleaned */
285 # define EVP_MD_CTX_FLAG_REUSE           0x0004/* Don't free up ctx->md_data
286                                                 * in EVP_MD_CTX_cleanup */
287 /*
288  * FIPS and pad options are ignored in 1.0.0, definitions are here so we
289  * don't accidentally reuse the values for other purposes.
290  */
291 
292 # define EVP_MD_CTX_FLAG_NON_FIPS_ALLOW  0x0008/* Allow use of non FIPS
293                                                 * digest in FIPS mode */
294 
295 /*
296  * The following PAD options are also currently ignored in 1.0.0, digest
297  * parameters are handled through EVP_DigestSign*() and EVP_DigestVerify*()
298  * instead.
299  */
300 # define EVP_MD_CTX_FLAG_PAD_MASK        0xF0/* RSA mode to use */
301 # define EVP_MD_CTX_FLAG_PAD_PKCS1       0x00/* PKCS#1 v1.5 mode */
302 # define EVP_MD_CTX_FLAG_PAD_X931        0x10/* X9.31 mode */
303 # define EVP_MD_CTX_FLAG_PAD_PSS         0x20/* PSS mode */
304 
305 # define EVP_MD_CTX_FLAG_NO_INIT         0x0100/* Don't initialize md_data */
306 
307 struct evp_cipher_st {
308     int nid;
309     int block_size;
310     /* Default value for variable length ciphers */
311     int key_len;
312     int iv_len;
313     /* Various flags */
314     unsigned long flags;
315     /* init key */
316     int (*init) (EVP_CIPHER_CTX *ctx, const unsigned char *key,
317                  const unsigned char *iv, int enc);
318     /* encrypt/decrypt data */
319     int (*do_cipher) (EVP_CIPHER_CTX *ctx, unsigned char *out,
320                       const unsigned char *in, size_t inl);
321     /* cleanup ctx */
322     int (*cleanup) (EVP_CIPHER_CTX *);
323     /* how big ctx->cipher_data needs to be */
324     int ctx_size;
325     /* Populate a ASN1_TYPE with parameters */
326     int (*set_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *);
327     /* Get parameters from a ASN1_TYPE */
328     int (*get_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *);
329     /* Miscellaneous operations */
330     int (*ctrl) (EVP_CIPHER_CTX *, int type, int arg, void *ptr);
331     /* Application data */
332     void *app_data;
333 } /* EVP_CIPHER */ ;
334 
335 /* Values for cipher flags */
336 
337 /* Modes for ciphers */
338 
339 # define         EVP_CIPH_STREAM_CIPHER          0x0
340 # define         EVP_CIPH_ECB_MODE               0x1
341 # define         EVP_CIPH_CBC_MODE               0x2
342 # define         EVP_CIPH_CFB_MODE               0x3
343 # define         EVP_CIPH_OFB_MODE               0x4
344 # define         EVP_CIPH_CTR_MODE               0x5
345 # define         EVP_CIPH_GCM_MODE               0x6
346 # define         EVP_CIPH_CCM_MODE               0x7
347 # define         EVP_CIPH_XTS_MODE               0x10001
348 # define         EVP_CIPH_MODE                   0xF0007
349 /* Set if variable length cipher */
350 # define         EVP_CIPH_VARIABLE_LENGTH        0x8
351 /* Set if the iv handling should be done by the cipher itself */
352 # define         EVP_CIPH_CUSTOM_IV              0x10
353 /* Set if the cipher's init() function should be called if key is NULL */
354 # define         EVP_CIPH_ALWAYS_CALL_INIT       0x20
355 /* Call ctrl() to init cipher parameters */
356 # define         EVP_CIPH_CTRL_INIT              0x40
357 /* Don't use standard key length function */
358 # define         EVP_CIPH_CUSTOM_KEY_LENGTH      0x80
359 /* Don't use standard block padding */
360 # define         EVP_CIPH_NO_PADDING             0x100
361 /* cipher handles random key generation */
362 # define         EVP_CIPH_RAND_KEY               0x200
363 /* cipher has its own additional copying logic */
364 # define         EVP_CIPH_CUSTOM_COPY            0x400
365 /* Allow use default ASN1 get/set iv */
366 # define         EVP_CIPH_FLAG_DEFAULT_ASN1      0x1000
367 /* Buffer length in bits not bytes: CFB1 mode only */
368 # define         EVP_CIPH_FLAG_LENGTH_BITS       0x2000
369 /* Note if suitable for use in FIPS mode */
370 # define         EVP_CIPH_FLAG_FIPS              0x4000
371 /* Allow non FIPS cipher in FIPS mode */
372 # define         EVP_CIPH_FLAG_NON_FIPS_ALLOW    0x8000
373 /*
374  * Cipher handles any and all padding logic as well as finalisation.
375  */
376 # define         EVP_CIPH_FLAG_CUSTOM_CIPHER     0x100000
377 # define         EVP_CIPH_FLAG_AEAD_CIPHER       0x200000
378 
379 /* ctrl() values */
380 
381 # define         EVP_CTRL_INIT                   0x0
382 # define         EVP_CTRL_SET_KEY_LENGTH         0x1
383 # define         EVP_CTRL_GET_RC2_KEY_BITS       0x2
384 # define         EVP_CTRL_SET_RC2_KEY_BITS       0x3
385 # define         EVP_CTRL_GET_RC5_ROUNDS         0x4
386 # define         EVP_CTRL_SET_RC5_ROUNDS         0x5
387 # define         EVP_CTRL_RAND_KEY               0x6
388 # define         EVP_CTRL_PBE_PRF_NID            0x7
389 # define         EVP_CTRL_COPY                   0x8
390 # define         EVP_CTRL_GCM_SET_IVLEN          0x9
391 # define         EVP_CTRL_GCM_GET_TAG            0x10
392 # define         EVP_CTRL_GCM_SET_TAG            0x11
393 # define         EVP_CTRL_GCM_SET_IV_FIXED       0x12
394 # define         EVP_CTRL_GCM_IV_GEN             0x13
395 # define         EVP_CTRL_CCM_SET_IVLEN          EVP_CTRL_GCM_SET_IVLEN
396 # define         EVP_CTRL_CCM_GET_TAG            EVP_CTRL_GCM_GET_TAG
397 # define         EVP_CTRL_CCM_SET_TAG            EVP_CTRL_GCM_SET_TAG
398 # define         EVP_CTRL_CCM_SET_L              0x14
399 # define         EVP_CTRL_CCM_SET_MSGLEN         0x15
400 /*
401  * AEAD cipher deduces payload length and returns number of bytes required to
402  * store MAC and eventual padding. Subsequent call to EVP_Cipher even
403  * appends/verifies MAC.
404  */
405 # define         EVP_CTRL_AEAD_TLS1_AAD          0x16
406 /* Used by composite AEAD ciphers, no-op in GCM, CCM... */
407 # define         EVP_CTRL_AEAD_SET_MAC_KEY       0x17
408 /* Set the GCM invocation field, decrypt only */
409 # define         EVP_CTRL_GCM_SET_IV_INV         0x18
410 
411 /* RFC 5246 defines additional data to be 13 bytes in length */
412 # define         EVP_AEAD_TLS1_AAD_LEN           13
413 
414 /* GCM TLS constants */
415 /* Length of fixed part of IV derived from PRF */
416 # define EVP_GCM_TLS_FIXED_IV_LEN                        4
417 /* Length of explicit part of IV part of TLS records */
418 # define EVP_GCM_TLS_EXPLICIT_IV_LEN                     8
419 /* Length of tag for TLS */
420 # define EVP_GCM_TLS_TAG_LEN                             16
421 
422 typedef struct evp_cipher_info_st {
423     const EVP_CIPHER *cipher;
424     unsigned char iv[EVP_MAX_IV_LENGTH];
425 } EVP_CIPHER_INFO;
426 
427 struct evp_cipher_ctx_st {
428     const EVP_CIPHER *cipher;
429     ENGINE *engine;             /* functional reference if 'cipher' is
430                                  * ENGINE-provided */
431     int encrypt;                /* encrypt or decrypt */
432     int buf_len;                /* number we have left */
433     unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
434     unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
435     unsigned char buf[EVP_MAX_BLOCK_LENGTH]; /* saved partial block */
436     int num;                    /* used by cfb/ofb/ctr mode */
437     void *app_data;             /* application stuff */
438     int key_len;                /* May change for variable length cipher */
439     unsigned long flags;        /* Various flags */
440     void *cipher_data;          /* per EVP data */
441     int final_used;
442     int block_mask;
443     unsigned char final[EVP_MAX_BLOCK_LENGTH]; /* possible final block */
444 } /* EVP_CIPHER_CTX */ ;
445 
446 typedef struct evp_Encode_Ctx_st {
447     /* number saved in a partial encode/decode */
448     int num;
449     /*
450      * The length is either the output line length (in input bytes) or the
451      * shortest input line length that is ok.  Once decoding begins, the
452      * length is adjusted up each time a longer line is decoded
453      */
454     int length;
455     /* data to encode */
456     unsigned char enc_data[80];
457     /* number read on current line */
458     int line_num;
459     int expect_nl;
460 } EVP_ENCODE_CTX;
461 
462 /* Password based encryption function */
463 typedef int (EVP_PBE_KEYGEN) (EVP_CIPHER_CTX *ctx, const char *pass,
464                               int passlen, ASN1_TYPE *param,
465                               const EVP_CIPHER *cipher, const EVP_MD *md,
466                               int en_de);
467 
468 # ifndef OPENSSL_NO_RSA
469 #  define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
470                                         (char *)(rsa))
471 # endif
472 
473 # ifndef OPENSSL_NO_DSA
474 #  define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
475                                         (char *)(dsa))
476 # endif
477 
478 # ifndef OPENSSL_NO_DH
479 #  define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
480                                         (char *)(dh))
481 # endif
482 
483 # ifndef OPENSSL_NO_EC
484 #  define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\
485                                         (char *)(eckey))
486 # endif
487 
488 /* Add some extra combinations */
489 # define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
490 # define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
491 # define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
492 # define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
493 
494 int EVP_MD_type(const EVP_MD *md);
495 # define EVP_MD_nid(e)                   EVP_MD_type(e)
496 # define EVP_MD_name(e)                  OBJ_nid2sn(EVP_MD_nid(e))
497 int EVP_MD_pkey_type(const EVP_MD *md);
498 int EVP_MD_size(const EVP_MD *md);
499 int EVP_MD_block_size(const EVP_MD *md);
500 unsigned long EVP_MD_flags(const EVP_MD *md);
501 
502 const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx);
503 # define EVP_MD_CTX_size(e)              EVP_MD_size(EVP_MD_CTX_md(e))
504 # define EVP_MD_CTX_block_size(e)        EVP_MD_block_size(EVP_MD_CTX_md(e))
505 # define EVP_MD_CTX_type(e)              EVP_MD_type(EVP_MD_CTX_md(e))
506 
507 int EVP_CIPHER_nid(const EVP_CIPHER *cipher);
508 # define EVP_CIPHER_name(e)              OBJ_nid2sn(EVP_CIPHER_nid(e))
509 int EVP_CIPHER_block_size(const EVP_CIPHER *cipher);
510 int EVP_CIPHER_key_length(const EVP_CIPHER *cipher);
511 int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher);
512 unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher);
513 # define EVP_CIPHER_mode(e)              (EVP_CIPHER_flags(e) & EVP_CIPH_MODE)
514 
515 const EVP_CIPHER *EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx);
516 int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx);
517 int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx);
518 int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx);
519 int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx);
520 int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in);
521 void *EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx);
522 void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data);
523 # define EVP_CIPHER_CTX_type(c)         EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
524 unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx);
525 # define EVP_CIPHER_CTX_mode(e)          (EVP_CIPHER_CTX_flags(e) & EVP_CIPH_MODE)
526 
527 # define EVP_ENCODE_LENGTH(l)    (((l+2)/3*4)+(l/48+1)*2+80)
528 # define EVP_DECODE_LENGTH(l)    ((l+3)/4*3+80)
529 
530 # define EVP_SignInit_ex(a,b,c)          EVP_DigestInit_ex(a,b,c)
531 # define EVP_SignInit(a,b)               EVP_DigestInit(a,b)
532 # define EVP_SignUpdate(a,b,c)           EVP_DigestUpdate(a,b,c)
533 # define EVP_VerifyInit_ex(a,b,c)        EVP_DigestInit_ex(a,b,c)
534 # define EVP_VerifyInit(a,b)             EVP_DigestInit(a,b)
535 # define EVP_VerifyUpdate(a,b,c)         EVP_DigestUpdate(a,b,c)
536 # define EVP_OpenUpdate(a,b,c,d,e)       EVP_DecryptUpdate(a,b,c,d,e)
537 # define EVP_SealUpdate(a,b,c,d,e)       EVP_EncryptUpdate(a,b,c,d,e)
538 # define EVP_DigestSignUpdate(a,b,c)     EVP_DigestUpdate(a,b,c)
539 # define EVP_DigestVerifyUpdate(a,b,c)   EVP_DigestUpdate(a,b,c)
540 
541 # ifdef CONST_STRICT
542 void BIO_set_md(BIO *, const EVP_MD *md);
543 # else
544 #  define BIO_set_md(b,md)               BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
545 # endif
546 # define BIO_get_md(b,mdp)               BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
547 # define BIO_get_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
548 # define BIO_set_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_SET_MD_CTX,0,(char *)mdcp)
549 # define BIO_get_cipher_status(b)        BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
550 # define BIO_get_cipher_ctx(b,c_pp)      BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
551 
552 int EVP_Cipher(EVP_CIPHER_CTX *c,
553                unsigned char *out, const unsigned char *in, unsigned int inl);
554 
555 # define EVP_add_cipher_alias(n,alias) \
556         OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
557 # define EVP_add_digest_alias(n,alias) \
558         OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
559 # define EVP_delete_cipher_alias(alias) \
560         OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
561 # define EVP_delete_digest_alias(alias) \
562         OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
563 
564 void EVP_MD_CTX_init(EVP_MD_CTX *ctx);
565 int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
566 EVP_MD_CTX *EVP_MD_CTX_create(void);
567 void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
568 int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in);
569 void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);
570 void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);
571 int EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags);
572 int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
573 int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *d, size_t cnt);
574 int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s);
575 int EVP_Digest(const void *data, size_t count,
576                unsigned char *md, unsigned int *size, const EVP_MD *type,
577                ENGINE *impl);
578 
579 int EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in);
580 int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
581 int EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s);
582 
583 int EVP_read_pw_string(char *buf, int length, const char *prompt, int verify);
584 int EVP_read_pw_string_min(char *buf, int minlen, int maxlen,
585                            const char *prompt, int verify);
586 void EVP_set_pw_prompt(const char *prompt);
587 char *EVP_get_pw_prompt(void);
588 
589 int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md,
590                    const unsigned char *salt, const unsigned char *data,
591                    int datal, int count, unsigned char *key,
592                    unsigned char *iv);
593 
594 void EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags);
595 void EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags);
596 int EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags);
597 
598 int EVP_EncryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
599                     const unsigned char *key, const unsigned char *iv);
600 int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
601                        ENGINE *impl, const unsigned char *key,
602                        const unsigned char *iv);
603 int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
604                       const unsigned char *in, int inl);
605 int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
606 int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
607 
608 int EVP_DecryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
609                     const unsigned char *key, const unsigned char *iv);
610 int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
611                        ENGINE *impl, const unsigned char *key,
612                        const unsigned char *iv);
613 int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
614                       const unsigned char *in, int inl);
615 int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
616 int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
617 
618 int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
619                    const unsigned char *key, const unsigned char *iv,
620                    int enc);
621 int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
622                       ENGINE *impl, const unsigned char *key,
623                       const unsigned char *iv, int enc);
624 int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
625                      const unsigned char *in, int inl);
626 int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
627 int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
628 
629 int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s,
630                   EVP_PKEY *pkey);
631 
632 int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf,
633                     unsigned int siglen, EVP_PKEY *pkey);
634 
635 int EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
636                        const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
637 int EVP_DigestSignFinal(EVP_MD_CTX *ctx,
638                         unsigned char *sigret, size_t *siglen);
639 
640 int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
641                          const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
642 int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, unsigned char *sig, size_t siglen);
643 
644 int EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
645                  const unsigned char *ek, int ekl, const unsigned char *iv,
646                  EVP_PKEY *priv);
647 int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
648 
649 int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
650                  unsigned char **ek, int *ekl, unsigned char *iv,
651                  EVP_PKEY **pubk, int npubk);
652 int EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
653 
654 void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
655 void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
656                       const unsigned char *in, int inl);
657 void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl);
658 int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
659 
660 void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
661 int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
662                      const unsigned char *in, int inl);
663 int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
664                     char *out, int *outl);
665 int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
666 
667 void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
668 int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
669 EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void);
670 void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *a);
671 int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
672 int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
673 int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
674 int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key);
675 
676 # ifndef OPENSSL_NO_BIO
677 BIO_METHOD *BIO_f_md(void);
678 BIO_METHOD *BIO_f_base64(void);
679 BIO_METHOD *BIO_f_cipher(void);
680 BIO_METHOD *BIO_f_reliable(void);
681 void BIO_set_cipher(BIO *b, const EVP_CIPHER *c, const unsigned char *k,
682                     const unsigned char *i, int enc);
683 # endif
684 
685 const EVP_MD *EVP_md_null(void);
686 # ifndef OPENSSL_NO_MD2
687 const EVP_MD *EVP_md2(void);
688 # endif
689 # ifndef OPENSSL_NO_MD4
690 const EVP_MD *EVP_md4(void);
691 # endif
692 # ifndef OPENSSL_NO_MD5
693 const EVP_MD *EVP_md5(void);
694 # endif
695 # ifndef OPENSSL_NO_SHA
696 const EVP_MD *EVP_sha(void);
697 const EVP_MD *EVP_sha1(void);
698 const EVP_MD *EVP_dss(void);
699 const EVP_MD *EVP_dss1(void);
700 const EVP_MD *EVP_ecdsa(void);
701 # endif
702 # ifndef OPENSSL_NO_SHA256
703 const EVP_MD *EVP_sha224(void);
704 const EVP_MD *EVP_sha256(void);
705 # endif
706 # ifndef OPENSSL_NO_SHA512
707 const EVP_MD *EVP_sha384(void);
708 const EVP_MD *EVP_sha512(void);
709 # endif
710 # ifndef OPENSSL_NO_MDC2
711 const EVP_MD *EVP_mdc2(void);
712 # endif
713 # ifndef OPENSSL_NO_RIPEMD
714 const EVP_MD *EVP_ripemd160(void);
715 # endif
716 # ifndef OPENSSL_NO_WHIRLPOOL
717 const EVP_MD *EVP_whirlpool(void);
718 # endif
719 const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
720 # ifndef OPENSSL_NO_DES
721 const EVP_CIPHER *EVP_des_ecb(void);
722 const EVP_CIPHER *EVP_des_ede(void);
723 const EVP_CIPHER *EVP_des_ede3(void);
724 const EVP_CIPHER *EVP_des_ede_ecb(void);
725 const EVP_CIPHER *EVP_des_ede3_ecb(void);
726 const EVP_CIPHER *EVP_des_cfb64(void);
727 #  define EVP_des_cfb EVP_des_cfb64
728 const EVP_CIPHER *EVP_des_cfb1(void);
729 const EVP_CIPHER *EVP_des_cfb8(void);
730 const EVP_CIPHER *EVP_des_ede_cfb64(void);
731 #  define EVP_des_ede_cfb EVP_des_ede_cfb64
732 #  if 0
733 const EVP_CIPHER *EVP_des_ede_cfb1(void);
734 const EVP_CIPHER *EVP_des_ede_cfb8(void);
735 #  endif
736 const EVP_CIPHER *EVP_des_ede3_cfb64(void);
737 #  define EVP_des_ede3_cfb EVP_des_ede3_cfb64
738 const EVP_CIPHER *EVP_des_ede3_cfb1(void);
739 const EVP_CIPHER *EVP_des_ede3_cfb8(void);
740 const EVP_CIPHER *EVP_des_ofb(void);
741 const EVP_CIPHER *EVP_des_ede_ofb(void);
742 const EVP_CIPHER *EVP_des_ede3_ofb(void);
743 const EVP_CIPHER *EVP_des_cbc(void);
744 const EVP_CIPHER *EVP_des_ede_cbc(void);
745 const EVP_CIPHER *EVP_des_ede3_cbc(void);
746 const EVP_CIPHER *EVP_desx_cbc(void);
747 /*
748  * This should now be supported through the dev_crypto ENGINE. But also, why
749  * are rc4 and md5 declarations made here inside a "NO_DES" precompiler
750  * branch?
751  */
752 #  if 0
753 #   ifdef OPENSSL_OPENBSD_DEV_CRYPTO
754 const EVP_CIPHER *EVP_dev_crypto_des_ede3_cbc(void);
755 const EVP_CIPHER *EVP_dev_crypto_rc4(void);
756 const EVP_MD *EVP_dev_crypto_md5(void);
757 #   endif
758 #  endif
759 # endif
760 # ifndef OPENSSL_NO_RC4
761 const EVP_CIPHER *EVP_rc4(void);
762 const EVP_CIPHER *EVP_rc4_40(void);
763 #  ifndef OPENSSL_NO_MD5
764 const EVP_CIPHER *EVP_rc4_hmac_md5(void);
765 #  endif
766 # endif
767 # ifndef OPENSSL_NO_IDEA
768 const EVP_CIPHER *EVP_idea_ecb(void);
769 const EVP_CIPHER *EVP_idea_cfb64(void);
770 #  define EVP_idea_cfb EVP_idea_cfb64
771 const EVP_CIPHER *EVP_idea_ofb(void);
772 const EVP_CIPHER *EVP_idea_cbc(void);
773 # endif
774 # ifndef OPENSSL_NO_RC2
775 const EVP_CIPHER *EVP_rc2_ecb(void);
776 const EVP_CIPHER *EVP_rc2_cbc(void);
777 const EVP_CIPHER *EVP_rc2_40_cbc(void);
778 const EVP_CIPHER *EVP_rc2_64_cbc(void);
779 const EVP_CIPHER *EVP_rc2_cfb64(void);
780 #  define EVP_rc2_cfb EVP_rc2_cfb64
781 const EVP_CIPHER *EVP_rc2_ofb(void);
782 # endif
783 # ifndef OPENSSL_NO_BF
784 const EVP_CIPHER *EVP_bf_ecb(void);
785 const EVP_CIPHER *EVP_bf_cbc(void);
786 const EVP_CIPHER *EVP_bf_cfb64(void);
787 #  define EVP_bf_cfb EVP_bf_cfb64
788 const EVP_CIPHER *EVP_bf_ofb(void);
789 # endif
790 # ifndef OPENSSL_NO_CAST
791 const EVP_CIPHER *EVP_cast5_ecb(void);
792 const EVP_CIPHER *EVP_cast5_cbc(void);
793 const EVP_CIPHER *EVP_cast5_cfb64(void);
794 #  define EVP_cast5_cfb EVP_cast5_cfb64
795 const EVP_CIPHER *EVP_cast5_ofb(void);
796 # endif
797 # ifndef OPENSSL_NO_RC5
798 const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
799 const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
800 const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void);
801 #  define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64
802 const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
803 # endif
804 # ifndef OPENSSL_NO_AES
805 const EVP_CIPHER *EVP_aes_128_ecb(void);
806 const EVP_CIPHER *EVP_aes_128_cbc(void);
807 const EVP_CIPHER *EVP_aes_128_cfb1(void);
808 const EVP_CIPHER *EVP_aes_128_cfb8(void);
809 const EVP_CIPHER *EVP_aes_128_cfb128(void);
810 #  define EVP_aes_128_cfb EVP_aes_128_cfb128
811 const EVP_CIPHER *EVP_aes_128_ofb(void);
812 const EVP_CIPHER *EVP_aes_128_ctr(void);
813 const EVP_CIPHER *EVP_aes_128_ccm(void);
814 const EVP_CIPHER *EVP_aes_128_gcm(void);
815 const EVP_CIPHER *EVP_aes_128_xts(void);
816 const EVP_CIPHER *EVP_aes_192_ecb(void);
817 const EVP_CIPHER *EVP_aes_192_cbc(void);
818 const EVP_CIPHER *EVP_aes_192_cfb1(void);
819 const EVP_CIPHER *EVP_aes_192_cfb8(void);
820 const EVP_CIPHER *EVP_aes_192_cfb128(void);
821 #  define EVP_aes_192_cfb EVP_aes_192_cfb128
822 const EVP_CIPHER *EVP_aes_192_ofb(void);
823 const EVP_CIPHER *EVP_aes_192_ctr(void);
824 const EVP_CIPHER *EVP_aes_192_ccm(void);
825 const EVP_CIPHER *EVP_aes_192_gcm(void);
826 const EVP_CIPHER *EVP_aes_256_ecb(void);
827 const EVP_CIPHER *EVP_aes_256_cbc(void);
828 const EVP_CIPHER *EVP_aes_256_cfb1(void);
829 const EVP_CIPHER *EVP_aes_256_cfb8(void);
830 const EVP_CIPHER *EVP_aes_256_cfb128(void);
831 #  define EVP_aes_256_cfb EVP_aes_256_cfb128
832 const EVP_CIPHER *EVP_aes_256_ofb(void);
833 const EVP_CIPHER *EVP_aes_256_ctr(void);
834 const EVP_CIPHER *EVP_aes_256_ccm(void);
835 const EVP_CIPHER *EVP_aes_256_gcm(void);
836 const EVP_CIPHER *EVP_aes_256_xts(void);
837 #  if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1)
838 const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void);
839 const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void);
840 #  endif
841 # endif
842 # ifndef OPENSSL_NO_CAMELLIA
843 const EVP_CIPHER *EVP_camellia_128_ecb(void);
844 const EVP_CIPHER *EVP_camellia_128_cbc(void);
845 const EVP_CIPHER *EVP_camellia_128_cfb1(void);
846 const EVP_CIPHER *EVP_camellia_128_cfb8(void);
847 const EVP_CIPHER *EVP_camellia_128_cfb128(void);
848 #  define EVP_camellia_128_cfb EVP_camellia_128_cfb128
849 const EVP_CIPHER *EVP_camellia_128_ofb(void);
850 const EVP_CIPHER *EVP_camellia_192_ecb(void);
851 const EVP_CIPHER *EVP_camellia_192_cbc(void);
852 const EVP_CIPHER *EVP_camellia_192_cfb1(void);
853 const EVP_CIPHER *EVP_camellia_192_cfb8(void);
854 const EVP_CIPHER *EVP_camellia_192_cfb128(void);
855 #  define EVP_camellia_192_cfb EVP_camellia_192_cfb128
856 const EVP_CIPHER *EVP_camellia_192_ofb(void);
857 const EVP_CIPHER *EVP_camellia_256_ecb(void);
858 const EVP_CIPHER *EVP_camellia_256_cbc(void);
859 const EVP_CIPHER *EVP_camellia_256_cfb1(void);
860 const EVP_CIPHER *EVP_camellia_256_cfb8(void);
861 const EVP_CIPHER *EVP_camellia_256_cfb128(void);
862 #  define EVP_camellia_256_cfb EVP_camellia_256_cfb128
863 const EVP_CIPHER *EVP_camellia_256_ofb(void);
864 # endif
865 
866 # ifndef OPENSSL_NO_SEED
867 const EVP_CIPHER *EVP_seed_ecb(void);
868 const EVP_CIPHER *EVP_seed_cbc(void);
869 const EVP_CIPHER *EVP_seed_cfb128(void);
870 #  define EVP_seed_cfb EVP_seed_cfb128
871 const EVP_CIPHER *EVP_seed_ofb(void);
872 # endif
873 
874 void OPENSSL_add_all_algorithms_noconf(void);
875 void OPENSSL_add_all_algorithms_conf(void);
876 
877 # ifdef OPENSSL_LOAD_CONF
878 #  define OpenSSL_add_all_algorithms() \
879                 OPENSSL_add_all_algorithms_conf()
880 # else
881 #  define OpenSSL_add_all_algorithms() \
882                 OPENSSL_add_all_algorithms_noconf()
883 # endif
884 
885 void OpenSSL_add_all_ciphers(void);
886 void OpenSSL_add_all_digests(void);
887 # define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
888 # define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
889 # define SSLeay_add_all_digests() OpenSSL_add_all_digests()
890 
891 int EVP_add_cipher(const EVP_CIPHER *cipher);
892 int EVP_add_digest(const EVP_MD *digest);
893 
894 const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
895 const EVP_MD *EVP_get_digestbyname(const char *name);
896 void EVP_cleanup(void);
897 
898 void EVP_CIPHER_do_all(void (*fn) (const EVP_CIPHER *ciph,
899                                    const char *from, const char *to, void *x),
900                        void *arg);
901 void EVP_CIPHER_do_all_sorted(void (*fn)
902                                (const EVP_CIPHER *ciph, const char *from,
903                                 const char *to, void *x), void *arg);
904 
905 void EVP_MD_do_all(void (*fn) (const EVP_MD *ciph,
906                                const char *from, const char *to, void *x),
907                    void *arg);
908 void EVP_MD_do_all_sorted(void (*fn)
909                            (const EVP_MD *ciph, const char *from,
910                             const char *to, void *x), void *arg);
911 
912 int EVP_PKEY_decrypt_old(unsigned char *dec_key,
913                          const unsigned char *enc_key, int enc_key_len,
914                          EVP_PKEY *private_key);
915 int EVP_PKEY_encrypt_old(unsigned char *enc_key,
916                          const unsigned char *key, int key_len,
917                          EVP_PKEY *pub_key);
918 int EVP_PKEY_type(int type);
919 int EVP_PKEY_id(const EVP_PKEY *pkey);
920 int EVP_PKEY_base_id(const EVP_PKEY *pkey);
921 int EVP_PKEY_bits(EVP_PKEY *pkey);
922 int EVP_PKEY_size(EVP_PKEY *pkey);
923 int EVP_PKEY_set_type(EVP_PKEY *pkey, int type);
924 int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len);
925 int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key);
926 void *EVP_PKEY_get0(EVP_PKEY *pkey);
927 
928 # ifndef OPENSSL_NO_RSA
929 struct rsa_st;
930 int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, struct rsa_st *key);
931 struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
932 # endif
933 # ifndef OPENSSL_NO_DSA
934 struct dsa_st;
935 int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, struct dsa_st *key);
936 struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
937 # endif
938 # ifndef OPENSSL_NO_DH
939 struct dh_st;
940 int EVP_PKEY_set1_DH(EVP_PKEY *pkey, struct dh_st *key);
941 struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
942 # endif
943 # ifndef OPENSSL_NO_EC
944 struct ec_key_st;
945 int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, struct ec_key_st *key);
946 struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
947 # endif
948 
949 EVP_PKEY *EVP_PKEY_new(void);
950 void EVP_PKEY_free(EVP_PKEY *pkey);
951 
952 EVP_PKEY *d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp,
953                         long length);
954 int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
955 
956 EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp,
957                          long length);
958 EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
959                              long length);
960 int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
961 
962 int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
963 int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
964 int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode);
965 int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);
966 
967 int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);
968 
969 int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
970                           int indent, ASN1_PCTX *pctx);
971 int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
972                            int indent, ASN1_PCTX *pctx);
973 int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
974                           int indent, ASN1_PCTX *pctx);
975 
976 int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid);
977 
978 int EVP_CIPHER_type(const EVP_CIPHER *ctx);
979 
980 /* calls methods */
981 int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
982 int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
983 
984 /* These are used by EVP_CIPHER methods */
985 int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
986 int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
987 
988 /* PKCS5 password based encryption */
989 int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
990                        ASN1_TYPE *param, const EVP_CIPHER *cipher,
991                        const EVP_MD *md, int en_de);
992 int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
993                            const unsigned char *salt, int saltlen, int iter,
994                            int keylen, unsigned char *out);
995 int PKCS5_PBKDF2_HMAC(const char *pass, int passlen,
996                       const unsigned char *salt, int saltlen, int iter,
997                       const EVP_MD *digest, int keylen, unsigned char *out);
998 int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
999                           ASN1_TYPE *param, const EVP_CIPHER *cipher,
1000                           const EVP_MD *md, int en_de);
1001 
1002 void PKCS5_PBE_add(void);
1003 
1004 int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
1005                        ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
1006 
1007 /* PBE type */
1008 
1009 /* Can appear as the outermost AlgorithmIdentifier */
1010 # define EVP_PBE_TYPE_OUTER      0x0
1011 /* Is an PRF type OID */
1012 # define EVP_PBE_TYPE_PRF        0x1
1013 
1014 int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid,
1015                          int md_nid, EVP_PBE_KEYGEN *keygen);
1016 int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
1017                     EVP_PBE_KEYGEN *keygen);
1018 int EVP_PBE_find(int type, int pbe_nid, int *pcnid, int *pmnid,
1019                  EVP_PBE_KEYGEN **pkeygen);
1020 void EVP_PBE_cleanup(void);
1021 
1022 # define ASN1_PKEY_ALIAS         0x1
1023 # define ASN1_PKEY_DYNAMIC       0x2
1024 # define ASN1_PKEY_SIGPARAM_NULL 0x4
1025 
1026 # define ASN1_PKEY_CTRL_PKCS7_SIGN       0x1
1027 # define ASN1_PKEY_CTRL_PKCS7_ENCRYPT    0x2
1028 # define ASN1_PKEY_CTRL_DEFAULT_MD_NID   0x3
1029 # define ASN1_PKEY_CTRL_CMS_SIGN         0x5
1030 # define ASN1_PKEY_CTRL_CMS_ENVELOPE     0x7
1031 
1032 int EVP_PKEY_asn1_get_count(void);
1033 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx);
1034 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type);
1035 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
1036                                                    const char *str, int len);
1037 int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth);
1038 int EVP_PKEY_asn1_add_alias(int to, int from);
1039 int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *pkey_base_id,
1040                             int *ppkey_flags, const char **pinfo,
1041                             const char **ppem_str,
1042                             const EVP_PKEY_ASN1_METHOD *ameth);
1043 
1044 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_get0_asn1(EVP_PKEY *pkey);
1045 EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_new(int id, int flags,
1046                                         const char *pem_str,
1047                                         const char *info);
1048 void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst,
1049                         const EVP_PKEY_ASN1_METHOD *src);
1050 void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth);
1051 void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
1052                               int (*pub_decode) (EVP_PKEY *pk,
1053                                                  X509_PUBKEY *pub),
1054                               int (*pub_encode) (X509_PUBKEY *pub,
1055                                                  const EVP_PKEY *pk),
1056                               int (*pub_cmp) (const EVP_PKEY *a,
1057                                               const EVP_PKEY *b),
1058                               int (*pub_print) (BIO *out,
1059                                                 const EVP_PKEY *pkey,
1060                                                 int indent, ASN1_PCTX *pctx),
1061                               int (*pkey_size) (const EVP_PKEY *pk),
1062                               int (*pkey_bits) (const EVP_PKEY *pk));
1063 void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
1064                                int (*priv_decode) (EVP_PKEY *pk,
1065                                                    PKCS8_PRIV_KEY_INFO
1066                                                    *p8inf),
1067                                int (*priv_encode) (PKCS8_PRIV_KEY_INFO *p8,
1068                                                    const EVP_PKEY *pk),
1069                                int (*priv_print) (BIO *out,
1070                                                   const EVP_PKEY *pkey,
1071                                                   int indent,
1072                                                   ASN1_PCTX *pctx));
1073 void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
1074                              int (*param_decode) (EVP_PKEY *pkey,
1075                                                   const unsigned char **pder,
1076                                                   int derlen),
1077                              int (*param_encode) (const EVP_PKEY *pkey,
1078                                                   unsigned char **pder),
1079                              int (*param_missing) (const EVP_PKEY *pk),
1080                              int (*param_copy) (EVP_PKEY *to,
1081                                                 const EVP_PKEY *from),
1082                              int (*param_cmp) (const EVP_PKEY *a,
1083                                                const EVP_PKEY *b),
1084                              int (*param_print) (BIO *out,
1085                                                  const EVP_PKEY *pkey,
1086                                                  int indent,
1087                                                  ASN1_PCTX *pctx));
1088 
1089 void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
1090                             void (*pkey_free) (EVP_PKEY *pkey));
1091 void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
1092                             int (*pkey_ctrl) (EVP_PKEY *pkey, int op,
1093                                               long arg1, void *arg2));
1094 
1095 # define EVP_PKEY_OP_UNDEFINED           0
1096 # define EVP_PKEY_OP_PARAMGEN            (1<<1)
1097 # define EVP_PKEY_OP_KEYGEN              (1<<2)
1098 # define EVP_PKEY_OP_SIGN                (1<<3)
1099 # define EVP_PKEY_OP_VERIFY              (1<<4)
1100 # define EVP_PKEY_OP_VERIFYRECOVER       (1<<5)
1101 # define EVP_PKEY_OP_SIGNCTX             (1<<6)
1102 # define EVP_PKEY_OP_VERIFYCTX           (1<<7)
1103 # define EVP_PKEY_OP_ENCRYPT             (1<<8)
1104 # define EVP_PKEY_OP_DECRYPT             (1<<9)
1105 # define EVP_PKEY_OP_DERIVE              (1<<10)
1106 
1107 # define EVP_PKEY_OP_TYPE_SIG    \
1108         (EVP_PKEY_OP_SIGN | EVP_PKEY_OP_VERIFY | EVP_PKEY_OP_VERIFYRECOVER \
1109                 | EVP_PKEY_OP_SIGNCTX | EVP_PKEY_OP_VERIFYCTX)
1110 
1111 # define EVP_PKEY_OP_TYPE_CRYPT \
1112         (EVP_PKEY_OP_ENCRYPT | EVP_PKEY_OP_DECRYPT)
1113 
1114 # define EVP_PKEY_OP_TYPE_NOGEN \
1115         (EVP_PKEY_OP_SIG | EVP_PKEY_OP_CRYPT | EVP_PKEY_OP_DERIVE)
1116 
1117 # define EVP_PKEY_OP_TYPE_GEN \
1118                 (EVP_PKEY_OP_PARAMGEN | EVP_PKEY_OP_KEYGEN)
1119 
1120 # define  EVP_PKEY_CTX_set_signature_md(ctx, md) \
1121                 EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,  \
1122                                         EVP_PKEY_CTRL_MD, 0, (void *)md)
1123 
1124 # define EVP_PKEY_CTRL_MD                1
1125 # define EVP_PKEY_CTRL_PEER_KEY          2
1126 
1127 # define EVP_PKEY_CTRL_PKCS7_ENCRYPT     3
1128 # define EVP_PKEY_CTRL_PKCS7_DECRYPT     4
1129 
1130 # define EVP_PKEY_CTRL_PKCS7_SIGN        5
1131 
1132 # define EVP_PKEY_CTRL_SET_MAC_KEY       6
1133 
1134 # define EVP_PKEY_CTRL_DIGESTINIT        7
1135 
1136 /* Used by GOST key encryption in TLS */
1137 # define EVP_PKEY_CTRL_SET_IV            8
1138 
1139 # define EVP_PKEY_CTRL_CMS_ENCRYPT       9
1140 # define EVP_PKEY_CTRL_CMS_DECRYPT       10
1141 # define EVP_PKEY_CTRL_CMS_SIGN          11
1142 
1143 # define EVP_PKEY_CTRL_CIPHER            12
1144 
1145 # define EVP_PKEY_ALG_CTRL               0x1000
1146 
1147 # define EVP_PKEY_FLAG_AUTOARGLEN        2
1148 /*
1149  * Method handles all operations: don't assume any digest related defaults.
1150  */
1151 # define EVP_PKEY_FLAG_SIGCTX_CUSTOM     4
1152 
1153 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type);
1154 EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags);
1155 void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
1156                              const EVP_PKEY_METHOD *meth);
1157 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src);
1158 void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth);
1159 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth);
1160 
1161 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e);
1162 EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e);
1163 EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *ctx);
1164 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx);
1165 
1166 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
1167                       int cmd, int p1, void *p2);
1168 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *type,
1169                           const char *value);
1170 
1171 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx);
1172 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen);
1173 
1174 EVP_PKEY *EVP_PKEY_new_mac_key(int type, ENGINE *e,
1175                                const unsigned char *key, int keylen);
1176 
1177 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data);
1178 void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx);
1179 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx);
1180 
1181 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx);
1182 
1183 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data);
1184 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx);
1185 
1186 int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx);
1187 int EVP_PKEY_sign(EVP_PKEY_CTX *ctx,
1188                   unsigned char *sig, size_t *siglen,
1189                   const unsigned char *tbs, size_t tbslen);
1190 int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx);
1191 int EVP_PKEY_verify(EVP_PKEY_CTX *ctx,
1192                     const unsigned char *sig, size_t siglen,
1193                     const unsigned char *tbs, size_t tbslen);
1194 int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx);
1195 int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx,
1196                             unsigned char *rout, size_t *routlen,
1197                             const unsigned char *sig, size_t siglen);
1198 int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx);
1199 int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx,
1200                      unsigned char *out, size_t *outlen,
1201                      const unsigned char *in, size_t inlen);
1202 int EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx);
1203 int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx,
1204                      unsigned char *out, size_t *outlen,
1205                      const unsigned char *in, size_t inlen);
1206 
1207 int EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx);
1208 int EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer);
1209 int EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
1210 
1211 typedef int EVP_PKEY_gen_cb (EVP_PKEY_CTX *ctx);
1212 
1213 int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx);
1214 int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
1215 int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx);
1216 int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
1217 
1218 void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb);
1219 EVP_PKEY_gen_cb *EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx);
1220 
1221 int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx);
1222 
1223 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
1224                             int (*init) (EVP_PKEY_CTX *ctx));
1225 
1226 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
1227                             int (*copy) (EVP_PKEY_CTX *dst,
1228                                          EVP_PKEY_CTX *src));
1229 
1230 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
1231                                void (*cleanup) (EVP_PKEY_CTX *ctx));
1232 
1233 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
1234                                 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
1235                                 int (*paramgen) (EVP_PKEY_CTX *ctx,
1236                                                  EVP_PKEY *pkey));
1237 
1238 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
1239                               int (*keygen_init) (EVP_PKEY_CTX *ctx),
1240                               int (*keygen) (EVP_PKEY_CTX *ctx,
1241                                              EVP_PKEY *pkey));
1242 
1243 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
1244                             int (*sign_init) (EVP_PKEY_CTX *ctx),
1245                             int (*sign) (EVP_PKEY_CTX *ctx,
1246                                          unsigned char *sig, size_t *siglen,
1247                                          const unsigned char *tbs,
1248                                          size_t tbslen));
1249 
1250 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
1251                               int (*verify_init) (EVP_PKEY_CTX *ctx),
1252                               int (*verify) (EVP_PKEY_CTX *ctx,
1253                                              const unsigned char *sig,
1254                                              size_t siglen,
1255                                              const unsigned char *tbs,
1256                                              size_t tbslen));
1257 
1258 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
1259                                       int (*verify_recover_init) (EVP_PKEY_CTX
1260                                                                   *ctx),
1261                                       int (*verify_recover) (EVP_PKEY_CTX
1262                                                              *ctx,
1263                                                              unsigned char
1264                                                              *sig,
1265                                                              size_t *siglen,
1266                                                              const unsigned
1267                                                              char *tbs,
1268                                                              size_t tbslen));
1269 
1270 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
1271                                int (*signctx_init) (EVP_PKEY_CTX *ctx,
1272                                                     EVP_MD_CTX *mctx),
1273                                int (*signctx) (EVP_PKEY_CTX *ctx,
1274                                                unsigned char *sig,
1275                                                size_t *siglen,
1276                                                EVP_MD_CTX *mctx));
1277 
1278 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
1279                                  int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
1280                                                         EVP_MD_CTX *mctx),
1281                                  int (*verifyctx) (EVP_PKEY_CTX *ctx,
1282                                                    const unsigned char *sig,
1283                                                    int siglen,
1284                                                    EVP_MD_CTX *mctx));
1285 
1286 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
1287                                int (*encrypt_init) (EVP_PKEY_CTX *ctx),
1288                                int (*encryptfn) (EVP_PKEY_CTX *ctx,
1289                                                  unsigned char *out,
1290                                                  size_t *outlen,
1291                                                  const unsigned char *in,
1292                                                  size_t inlen));
1293 
1294 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
1295                                int (*decrypt_init) (EVP_PKEY_CTX *ctx),
1296                                int (*decrypt) (EVP_PKEY_CTX *ctx,
1297                                                unsigned char *out,
1298                                                size_t *outlen,
1299                                                const unsigned char *in,
1300                                                size_t inlen));
1301 
1302 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
1303                               int (*derive_init) (EVP_PKEY_CTX *ctx),
1304                               int (*derive) (EVP_PKEY_CTX *ctx,
1305                                              unsigned char *key,
1306                                              size_t *keylen));
1307 
1308 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
1309                             int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1310                                          void *p2),
1311                             int (*ctrl_str) (EVP_PKEY_CTX *ctx,
1312                                              const char *type,
1313                                              const char *value));
1314 
1315 void EVP_add_alg_module(void);
1316 
1317 /* BEGIN ERROR CODES */
1318 /*
1319  * The following lines are auto generated by the script mkerr.pl. Any changes
1320  * made after this point may be overwritten when the script is next run.
1321  */
1322 void ERR_load_EVP_strings(void);
1323 
1324 /* Error codes for the EVP functions. */
1325 
1326 /* Function codes. */
1327 # define EVP_F_AESNI_INIT_KEY                             165
1328 # define EVP_F_AESNI_XTS_CIPHER                           176
1329 # define EVP_F_AES_INIT_KEY                               133
1330 # define EVP_F_AES_XTS                                    172
1331 # define EVP_F_AES_XTS_CIPHER                             175
1332 # define EVP_F_ALG_MODULE_INIT                            177
1333 # define EVP_F_CAMELLIA_INIT_KEY                          159
1334 # define EVP_F_CMAC_INIT                                  173
1335 # define EVP_F_D2I_PKEY                                   100
1336 # define EVP_F_DO_SIGVER_INIT                             161
1337 # define EVP_F_DSAPKEY2PKCS8                              134
1338 # define EVP_F_DSA_PKEY2PKCS8                             135
1339 # define EVP_F_ECDSA_PKEY2PKCS8                           129
1340 # define EVP_F_ECKEY_PKEY2PKCS8                           132
1341 # define EVP_F_EVP_CIPHERINIT_EX                          123
1342 # define EVP_F_EVP_CIPHER_CTX_COPY                        163
1343 # define EVP_F_EVP_CIPHER_CTX_CTRL                        124
1344 # define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH              122
1345 # define EVP_F_EVP_DECRYPTFINAL_EX                        101
1346 # define EVP_F_EVP_DIGESTINIT_EX                          128
1347 # define EVP_F_EVP_ENCRYPTFINAL_EX                        127
1348 # define EVP_F_EVP_MD_CTX_COPY_EX                         110
1349 # define EVP_F_EVP_MD_SIZE                                162
1350 # define EVP_F_EVP_OPENINIT                               102
1351 # define EVP_F_EVP_PBE_ALG_ADD                            115
1352 # define EVP_F_EVP_PBE_ALG_ADD_TYPE                       160
1353 # define EVP_F_EVP_PBE_CIPHERINIT                         116
1354 # define EVP_F_EVP_PKCS82PKEY                             111
1355 # define EVP_F_EVP_PKCS82PKEY_BROKEN                      136
1356 # define EVP_F_EVP_PKEY2PKCS8_BROKEN                      113
1357 # define EVP_F_EVP_PKEY_COPY_PARAMETERS                   103
1358 # define EVP_F_EVP_PKEY_CTX_CTRL                          137
1359 # define EVP_F_EVP_PKEY_CTX_CTRL_STR                      150
1360 # define EVP_F_EVP_PKEY_CTX_DUP                           156
1361 # define EVP_F_EVP_PKEY_DECRYPT                           104
1362 # define EVP_F_EVP_PKEY_DECRYPT_INIT                      138
1363 # define EVP_F_EVP_PKEY_DECRYPT_OLD                       151
1364 # define EVP_F_EVP_PKEY_DERIVE                            153
1365 # define EVP_F_EVP_PKEY_DERIVE_INIT                       154
1366 # define EVP_F_EVP_PKEY_DERIVE_SET_PEER                   155
1367 # define EVP_F_EVP_PKEY_ENCRYPT                           105
1368 # define EVP_F_EVP_PKEY_ENCRYPT_INIT                      139
1369 # define EVP_F_EVP_PKEY_ENCRYPT_OLD                       152
1370 # define EVP_F_EVP_PKEY_GET1_DH                           119
1371 # define EVP_F_EVP_PKEY_GET1_DSA                          120
1372 # define EVP_F_EVP_PKEY_GET1_ECDSA                        130
1373 # define EVP_F_EVP_PKEY_GET1_EC_KEY                       131
1374 # define EVP_F_EVP_PKEY_GET1_RSA                          121
1375 # define EVP_F_EVP_PKEY_KEYGEN                            146
1376 # define EVP_F_EVP_PKEY_KEYGEN_INIT                       147
1377 # define EVP_F_EVP_PKEY_NEW                               106
1378 # define EVP_F_EVP_PKEY_PARAMGEN                          148
1379 # define EVP_F_EVP_PKEY_PARAMGEN_INIT                     149
1380 # define EVP_F_EVP_PKEY_SIGN                              140
1381 # define EVP_F_EVP_PKEY_SIGN_INIT                         141
1382 # define EVP_F_EVP_PKEY_VERIFY                            142
1383 # define EVP_F_EVP_PKEY_VERIFY_INIT                       143
1384 # define EVP_F_EVP_PKEY_VERIFY_RECOVER                    144
1385 # define EVP_F_EVP_PKEY_VERIFY_RECOVER_INIT               145
1386 # define EVP_F_EVP_RIJNDAEL                               126
1387 # define EVP_F_EVP_SIGNFINAL                              107
1388 # define EVP_F_EVP_VERIFYFINAL                            108
1389 # define EVP_F_FIPS_CIPHERINIT                            166
1390 # define EVP_F_FIPS_CIPHER_CTX_COPY                       170
1391 # define EVP_F_FIPS_CIPHER_CTX_CTRL                       167
1392 # define EVP_F_FIPS_CIPHER_CTX_SET_KEY_LENGTH             171
1393 # define EVP_F_FIPS_DIGESTINIT                            168
1394 # define EVP_F_FIPS_MD_CTX_COPY                           169
1395 # define EVP_F_HMAC_INIT_EX                               174
1396 # define EVP_F_INT_CTX_NEW                                157
1397 # define EVP_F_PKCS5_PBE_KEYIVGEN                         117
1398 # define EVP_F_PKCS5_V2_PBE_KEYIVGEN                      118
1399 # define EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN                   164
1400 # define EVP_F_PKCS8_SET_BROKEN                           112
1401 # define EVP_F_PKEY_SET_TYPE                              158
1402 # define EVP_F_RC2_MAGIC_TO_METH                          109
1403 # define EVP_F_RC5_CTRL                                   125
1404 
1405 /* Reason codes. */
1406 # define EVP_R_AES_IV_SETUP_FAILED                        162
1407 # define EVP_R_AES_KEY_SETUP_FAILED                       143
1408 # define EVP_R_ASN1_LIB                                   140
1409 # define EVP_R_BAD_BLOCK_LENGTH                           136
1410 # define EVP_R_BAD_DECRYPT                                100
1411 # define EVP_R_BAD_KEY_LENGTH                             137
1412 # define EVP_R_BN_DECODE_ERROR                            112
1413 # define EVP_R_BN_PUBKEY_ERROR                            113
1414 # define EVP_R_BUFFER_TOO_SMALL                           155
1415 # define EVP_R_CAMELLIA_KEY_SETUP_FAILED                  157
1416 # define EVP_R_CIPHER_PARAMETER_ERROR                     122
1417 # define EVP_R_COMMAND_NOT_SUPPORTED                      147
1418 # define EVP_R_CTRL_NOT_IMPLEMENTED                       132
1419 # define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED             133
1420 # define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH          138
1421 # define EVP_R_DECODE_ERROR                               114
1422 # define EVP_R_DIFFERENT_KEY_TYPES                        101
1423 # define EVP_R_DIFFERENT_PARAMETERS                       153
1424 # define EVP_R_DISABLED_FOR_FIPS                          163
1425 # define EVP_R_ENCODE_ERROR                               115
1426 # define EVP_R_ERROR_LOADING_SECTION                      165
1427 # define EVP_R_ERROR_SETTING_FIPS_MODE                    166
1428 # define EVP_R_EVP_PBE_CIPHERINIT_ERROR                   119
1429 # define EVP_R_EXPECTING_AN_RSA_KEY                       127
1430 # define EVP_R_EXPECTING_A_DH_KEY                         128
1431 # define EVP_R_EXPECTING_A_DSA_KEY                        129
1432 # define EVP_R_EXPECTING_A_ECDSA_KEY                      141
1433 # define EVP_R_EXPECTING_A_EC_KEY                         142
1434 # define EVP_R_FIPS_MODE_NOT_SUPPORTED                    167
1435 # define EVP_R_INITIALIZATION_ERROR                       134
1436 # define EVP_R_INPUT_NOT_INITIALIZED                      111
1437 # define EVP_R_INVALID_DIGEST                             152
1438 # define EVP_R_INVALID_FIPS_MODE                          168
1439 # define EVP_R_INVALID_KEY_LENGTH                         130
1440 # define EVP_R_INVALID_OPERATION                          148
1441 # define EVP_R_IV_TOO_LARGE                               102
1442 # define EVP_R_KEYGEN_FAILURE                             120
1443 # define EVP_R_MESSAGE_DIGEST_IS_NULL                     159
1444 # define EVP_R_METHOD_NOT_SUPPORTED                       144
1445 # define EVP_R_MISSING_PARAMETERS                         103
1446 # define EVP_R_NO_CIPHER_SET                              131
1447 # define EVP_R_NO_DEFAULT_DIGEST                          158
1448 # define EVP_R_NO_DIGEST_SET                              139
1449 # define EVP_R_NO_DSA_PARAMETERS                          116
1450 # define EVP_R_NO_KEY_SET                                 154
1451 # define EVP_R_NO_OPERATION_SET                           149
1452 # define EVP_R_NO_SIGN_FUNCTION_CONFIGURED                104
1453 # define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED              105
1454 # define EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE   150
1455 # define EVP_R_OPERATON_NOT_INITIALIZED                   151
1456 # define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE                  117
1457 # define EVP_R_PRIVATE_KEY_DECODE_ERROR                   145
1458 # define EVP_R_PRIVATE_KEY_ENCODE_ERROR                   146
1459 # define EVP_R_PUBLIC_KEY_NOT_RSA                         106
1460 # define EVP_R_TOO_LARGE                                  164
1461 # define EVP_R_UNKNOWN_CIPHER                             160
1462 # define EVP_R_UNKNOWN_DIGEST                             161
1463 # define EVP_R_UNKNOWN_OPTION                             169
1464 # define EVP_R_UNKNOWN_PBE_ALGORITHM                      121
1465 # define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS                135
1466 # define EVP_R_UNSUPPORTED_ALGORITHM                      156
1467 # define EVP_R_UNSUPPORTED_CIPHER                         107
1468 # define EVP_R_UNSUPPORTED_KEYLENGTH                      123
1469 # define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION        124
1470 # define EVP_R_UNSUPPORTED_KEY_SIZE                       108
1471 # define EVP_R_UNSUPPORTED_PRF                            125
1472 # define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM          118
1473 # define EVP_R_UNSUPPORTED_SALT_TYPE                      126
1474 # define EVP_R_WRONG_FINAL_BLOCK_LENGTH                   109
1475 # define EVP_R_WRONG_PUBLIC_KEY_TYPE                      110
1476 
1477 #ifdef  __cplusplus
1478 }
1479 #endif
1480 #endif
1481