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_DHX    NID_dhpublicnumber
117 # define EVP_PKEY_EC     NID_X9_62_id_ecPublicKey
118 # define EVP_PKEY_HMAC   NID_hmac
119 # define EVP_PKEY_CMAC   NID_cmac
120 
121 #ifdef  __cplusplus
122 extern "C" {
123 #endif
124 
125 /*
126  * Type needs to be a bit field Sub-type needs to be for variations on the
127  * method, as in, can it do arbitrary encryption....
128  */
129 struct evp_pkey_st {
130     int type;
131     int save_type;
132     int references;
133     const EVP_PKEY_ASN1_METHOD *ameth;
134     ENGINE *engine;
135     union {
136         char *ptr;
137 # ifndef OPENSSL_NO_RSA
138         struct rsa_st *rsa;     /* RSA */
139 # endif
140 # ifndef OPENSSL_NO_DSA
141         struct dsa_st *dsa;     /* DSA */
142 # endif
143 # ifndef OPENSSL_NO_DH
144         struct dh_st *dh;       /* DH */
145 # endif
146 # ifndef OPENSSL_NO_EC
147         struct ec_key_st *ec;   /* ECC */
148 # endif
149     } pkey;
150     int save_parameters;
151     STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
152 } /* EVP_PKEY */ ;
153 
154 # define EVP_PKEY_MO_SIGN        0x0001
155 # define EVP_PKEY_MO_VERIFY      0x0002
156 # define EVP_PKEY_MO_ENCRYPT     0x0004
157 # define EVP_PKEY_MO_DECRYPT     0x0008
158 
159 # ifndef EVP_MD
160 struct env_md_st {
161     int type;
162     int pkey_type;
163     int md_size;
164     unsigned long flags;
165     int (*init) (EVP_MD_CTX *ctx);
166     int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count);
167     int (*final) (EVP_MD_CTX *ctx, unsigned char *md);
168     int (*copy) (EVP_MD_CTX *to, const EVP_MD_CTX *from);
169     int (*cleanup) (EVP_MD_CTX *ctx);
170     /* FIXME: prototype these some day */
171     int (*sign) (int type, const unsigned char *m, unsigned int m_length,
172                  unsigned char *sigret, unsigned int *siglen, void *key);
173     int (*verify) (int type, const unsigned char *m, unsigned int m_length,
174                    const unsigned char *sigbuf, unsigned int siglen,
175                    void *key);
176     int required_pkey_type[5];  /* EVP_PKEY_xxx */
177     int block_size;
178     int ctx_size;               /* how big does the ctx->md_data need to be */
179     /* control function */
180     int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
181 } /* EVP_MD */ ;
182 
183 typedef int evp_sign_method(int type, const unsigned char *m,
184                             unsigned int m_length, unsigned char *sigret,
185                             unsigned int *siglen, void *key);
186 typedef int evp_verify_method(int type, const unsigned char *m,
187                               unsigned int m_length,
188                               const unsigned char *sigbuf,
189                               unsigned int siglen, void *key);
190 
191 /* digest can only handle a single block */
192 #  define EVP_MD_FLAG_ONESHOT     0x0001
193 
194 /*
195  * digest is a "clone" digest used
196  * which is a copy of an existing
197  * one for a specific public key type.
198  * EVP_dss1() etc
199  */
200 #  define EVP_MD_FLAG_PKEY_DIGEST 0x0002
201 
202 /* Digest uses EVP_PKEY_METHOD for signing instead of MD specific signing */
203 
204 #  define EVP_MD_FLAG_PKEY_METHOD_SIGNATURE       0x0004
205 
206 /* DigestAlgorithmIdentifier flags... */
207 
208 #  define EVP_MD_FLAG_DIGALGID_MASK               0x0018
209 
210 /* NULL or absent parameter accepted. Use NULL */
211 
212 #  define EVP_MD_FLAG_DIGALGID_NULL               0x0000
213 
214 /* NULL or absent parameter accepted. Use NULL for PKCS#1 otherwise absent */
215 
216 #  define EVP_MD_FLAG_DIGALGID_ABSENT             0x0008
217 
218 /* Custom handling via ctrl */
219 
220 #  define EVP_MD_FLAG_DIGALGID_CUSTOM             0x0018
221 
222 /* Note if suitable for use in FIPS mode */
223 #  define EVP_MD_FLAG_FIPS        0x0400
224 
225 /* Digest ctrls */
226 
227 #  define EVP_MD_CTRL_DIGALGID                    0x1
228 #  define EVP_MD_CTRL_MICALG                      0x2
229 
230 /* Minimum Algorithm specific ctrl value */
231 
232 #  define EVP_MD_CTRL_ALG_CTRL                    0x1000
233 
234 #  define EVP_PKEY_NULL_method    NULL,NULL,{0,0,0,0}
235 
236 #  ifndef OPENSSL_NO_DSA
237 #   define EVP_PKEY_DSA_method     (evp_sign_method *)DSA_sign, \
238                                 (evp_verify_method *)DSA_verify, \
239                                 {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
240                                         EVP_PKEY_DSA4,0}
241 #  else
242 #   define EVP_PKEY_DSA_method     EVP_PKEY_NULL_method
243 #  endif
244 
245 #  ifndef OPENSSL_NO_ECDSA
246 #   define EVP_PKEY_ECDSA_method   (evp_sign_method *)ECDSA_sign, \
247                                 (evp_verify_method *)ECDSA_verify, \
248                                  {EVP_PKEY_EC,0,0,0}
249 #  else
250 #   define EVP_PKEY_ECDSA_method   EVP_PKEY_NULL_method
251 #  endif
252 
253 #  ifndef OPENSSL_NO_RSA
254 #   define EVP_PKEY_RSA_method     (evp_sign_method *)RSA_sign, \
255                                 (evp_verify_method *)RSA_verify, \
256                                 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
257 #   define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
258                                 (evp_sign_method *)RSA_sign_ASN1_OCTET_STRING, \
259                                 (evp_verify_method *)RSA_verify_ASN1_OCTET_STRING, \
260                                 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
261 #  else
262 #   define EVP_PKEY_RSA_method     EVP_PKEY_NULL_method
263 #   define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method
264 #  endif
265 
266 # endif                         /* !EVP_MD */
267 
268 struct env_md_ctx_st {
269     const EVP_MD *digest;
270     ENGINE *engine;             /* functional reference if 'digest' is
271                                  * ENGINE-provided */
272     unsigned long flags;
273     void *md_data;
274     /* Public key context for sign/verify */
275     EVP_PKEY_CTX *pctx;
276     /* Update function: usually copied from EVP_MD */
277     int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count);
278 } /* EVP_MD_CTX */ ;
279 
280 /* values for EVP_MD_CTX flags */
281 
282 # define EVP_MD_CTX_FLAG_ONESHOT         0x0001/* digest update will be
283                                                 * called once only */
284 # define EVP_MD_CTX_FLAG_CLEANED         0x0002/* context has already been
285                                                 * cleaned */
286 # define EVP_MD_CTX_FLAG_REUSE           0x0004/* Don't free up ctx->md_data
287                                                 * in EVP_MD_CTX_cleanup */
288 /*
289  * FIPS and pad options are ignored in 1.0.0, definitions are here so we
290  * don't accidentally reuse the values for other purposes.
291  */
292 
293 # define EVP_MD_CTX_FLAG_NON_FIPS_ALLOW  0x0008/* Allow use of non FIPS
294                                                 * digest in FIPS mode */
295 
296 /*
297  * The following PAD options are also currently ignored in 1.0.0, digest
298  * parameters are handled through EVP_DigestSign*() and EVP_DigestVerify*()
299  * instead.
300  */
301 # define EVP_MD_CTX_FLAG_PAD_MASK        0xF0/* RSA mode to use */
302 # define EVP_MD_CTX_FLAG_PAD_PKCS1       0x00/* PKCS#1 v1.5 mode */
303 # define EVP_MD_CTX_FLAG_PAD_X931        0x10/* X9.31 mode */
304 # define EVP_MD_CTX_FLAG_PAD_PSS         0x20/* PSS mode */
305 
306 # define EVP_MD_CTX_FLAG_NO_INIT         0x0100/* Don't initialize md_data */
307 
308 struct evp_cipher_st {
309     int nid;
310     int block_size;
311     /* Default value for variable length ciphers */
312     int key_len;
313     int iv_len;
314     /* Various flags */
315     unsigned long flags;
316     /* init key */
317     int (*init) (EVP_CIPHER_CTX *ctx, const unsigned char *key,
318                  const unsigned char *iv, int enc);
319     /* encrypt/decrypt data */
320     int (*do_cipher) (EVP_CIPHER_CTX *ctx, unsigned char *out,
321                       const unsigned char *in, size_t inl);
322     /* cleanup ctx */
323     int (*cleanup) (EVP_CIPHER_CTX *);
324     /* how big ctx->cipher_data needs to be */
325     int ctx_size;
326     /* Populate a ASN1_TYPE with parameters */
327     int (*set_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *);
328     /* Get parameters from a ASN1_TYPE */
329     int (*get_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *);
330     /* Miscellaneous operations */
331     int (*ctrl) (EVP_CIPHER_CTX *, int type, int arg, void *ptr);
332     /* Application data */
333     void *app_data;
334 } /* EVP_CIPHER */ ;
335 
336 /* Values for cipher flags */
337 
338 /* Modes for ciphers */
339 
340 # define         EVP_CIPH_STREAM_CIPHER          0x0
341 # define         EVP_CIPH_ECB_MODE               0x1
342 # define         EVP_CIPH_CBC_MODE               0x2
343 # define         EVP_CIPH_CFB_MODE               0x3
344 # define         EVP_CIPH_OFB_MODE               0x4
345 # define         EVP_CIPH_CTR_MODE               0x5
346 # define         EVP_CIPH_GCM_MODE               0x6
347 # define         EVP_CIPH_CCM_MODE               0x7
348 # define         EVP_CIPH_XTS_MODE               0x10001
349 # define         EVP_CIPH_WRAP_MODE              0x10002
350 # define         EVP_CIPH_MODE                   0xF0007
351 /* Set if variable length cipher */
352 # define         EVP_CIPH_VARIABLE_LENGTH        0x8
353 /* Set if the iv handling should be done by the cipher itself */
354 # define         EVP_CIPH_CUSTOM_IV              0x10
355 /* Set if the cipher's init() function should be called if key is NULL */
356 # define         EVP_CIPH_ALWAYS_CALL_INIT       0x20
357 /* Call ctrl() to init cipher parameters */
358 # define         EVP_CIPH_CTRL_INIT              0x40
359 /* Don't use standard key length function */
360 # define         EVP_CIPH_CUSTOM_KEY_LENGTH      0x80
361 /* Don't use standard block padding */
362 # define         EVP_CIPH_NO_PADDING             0x100
363 /* cipher handles random key generation */
364 # define         EVP_CIPH_RAND_KEY               0x200
365 /* cipher has its own additional copying logic */
366 # define         EVP_CIPH_CUSTOM_COPY            0x400
367 /* Allow use default ASN1 get/set iv */
368 # define         EVP_CIPH_FLAG_DEFAULT_ASN1      0x1000
369 /* Buffer length in bits not bytes: CFB1 mode only */
370 # define         EVP_CIPH_FLAG_LENGTH_BITS       0x2000
371 /* Note if suitable for use in FIPS mode */
372 # define         EVP_CIPH_FLAG_FIPS              0x4000
373 /* Allow non FIPS cipher in FIPS mode */
374 # define         EVP_CIPH_FLAG_NON_FIPS_ALLOW    0x8000
375 /*
376  * Cipher handles any and all padding logic as well as finalisation.
377  */
378 # define         EVP_CIPH_FLAG_CUSTOM_CIPHER     0x100000
379 # define         EVP_CIPH_FLAG_AEAD_CIPHER       0x200000
380 # define         EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK 0x400000
381 
382 /*
383  * Cipher context flag to indicate we can handle wrap mode: if allowed in
384  * older applications it could overflow buffers.
385  */
386 
387 # define         EVP_CIPHER_CTX_FLAG_WRAP_ALLOW  0x1
388 
389 /* ctrl() values */
390 
391 # define         EVP_CTRL_INIT                   0x0
392 # define         EVP_CTRL_SET_KEY_LENGTH         0x1
393 # define         EVP_CTRL_GET_RC2_KEY_BITS       0x2
394 # define         EVP_CTRL_SET_RC2_KEY_BITS       0x3
395 # define         EVP_CTRL_GET_RC5_ROUNDS         0x4
396 # define         EVP_CTRL_SET_RC5_ROUNDS         0x5
397 # define         EVP_CTRL_RAND_KEY               0x6
398 # define         EVP_CTRL_PBE_PRF_NID            0x7
399 # define         EVP_CTRL_COPY                   0x8
400 # define         EVP_CTRL_GCM_SET_IVLEN          0x9
401 # define         EVP_CTRL_GCM_GET_TAG            0x10
402 # define         EVP_CTRL_GCM_SET_TAG            0x11
403 # define         EVP_CTRL_GCM_SET_IV_FIXED       0x12
404 # define         EVP_CTRL_GCM_IV_GEN             0x13
405 # define         EVP_CTRL_CCM_SET_IVLEN          EVP_CTRL_GCM_SET_IVLEN
406 # define         EVP_CTRL_CCM_GET_TAG            EVP_CTRL_GCM_GET_TAG
407 # define         EVP_CTRL_CCM_SET_TAG            EVP_CTRL_GCM_SET_TAG
408 # define         EVP_CTRL_CCM_SET_L              0x14
409 # define         EVP_CTRL_CCM_SET_MSGLEN         0x15
410 # define         EVP_CTRL_CCM_IGNORE_TAG         0xFF // PAWA HACK
411 /*
412  * AEAD cipher deduces payload length and returns number of bytes required to
413  * store MAC and eventual padding. Subsequent call to EVP_Cipher even
414  * appends/verifies MAC.
415  */
416 # define         EVP_CTRL_AEAD_TLS1_AAD          0x16
417 /* Used by composite AEAD ciphers, no-op in GCM, CCM... */
418 # define         EVP_CTRL_AEAD_SET_MAC_KEY       0x17
419 /* Set the GCM invocation field, decrypt only */
420 # define         EVP_CTRL_GCM_SET_IV_INV         0x18
421 
422 # define         EVP_CTRL_TLS1_1_MULTIBLOCK_AAD  0x19
423 # define         EVP_CTRL_TLS1_1_MULTIBLOCK_ENCRYPT      0x1a
424 # define         EVP_CTRL_TLS1_1_MULTIBLOCK_DECRYPT      0x1b
425 # define         EVP_CTRL_TLS1_1_MULTIBLOCK_MAX_BUFSIZE  0x1c
426 
427 /* RFC 5246 defines additional data to be 13 bytes in length */
428 # define         EVP_AEAD_TLS1_AAD_LEN           13
429 
430 typedef struct {
431     unsigned char *out;
432     const unsigned char *inp;
433     size_t len;
434     unsigned int interleave;
435 } EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM;
436 
437 /* GCM TLS constants */
438 /* Length of fixed part of IV derived from PRF */
439 # define EVP_GCM_TLS_FIXED_IV_LEN                        4
440 /* Length of explicit part of IV part of TLS records */
441 # define EVP_GCM_TLS_EXPLICIT_IV_LEN                     8
442 /* Length of tag for TLS */
443 # define EVP_GCM_TLS_TAG_LEN                             16
444 
445 typedef struct evp_cipher_info_st {
446     const EVP_CIPHER *cipher;
447     unsigned char iv[EVP_MAX_IV_LENGTH];
448 } EVP_CIPHER_INFO;
449 
450 struct evp_cipher_ctx_st {
451     const EVP_CIPHER *cipher;
452     ENGINE *engine;             /* functional reference if 'cipher' is
453                                  * ENGINE-provided */
454     int encrypt;                /* encrypt or decrypt */
455     int buf_len;                /* number we have left */
456     unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
457     unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
458     unsigned char buf[EVP_MAX_BLOCK_LENGTH]; /* saved partial block */
459     int num;                    /* used by cfb/ofb/ctr mode */
460     void *app_data;             /* application stuff */
461     int key_len;                /* May change for variable length cipher */
462     unsigned long flags;        /* Various flags */
463     void *cipher_data;          /* per EVP data */
464     int final_used;
465     int block_mask;
466     unsigned char final[EVP_MAX_BLOCK_LENGTH]; /* possible final block */
467 } /* EVP_CIPHER_CTX */ ;
468 
469 typedef struct evp_Encode_Ctx_st {
470     /* number saved in a partial encode/decode */
471     int num;
472     /*
473      * The length is either the output line length (in input bytes) or the
474      * shortest input line length that is ok.  Once decoding begins, the
475      * length is adjusted up each time a longer line is decoded
476      */
477     int length;
478     /* data to encode */
479     unsigned char enc_data[80];
480     /* number read on current line */
481     int line_num;
482     int expect_nl;
483 } EVP_ENCODE_CTX;
484 
485 /* Password based encryption function */
486 typedef int (EVP_PBE_KEYGEN) (EVP_CIPHER_CTX *ctx, const char *pass,
487                               int passlen, ASN1_TYPE *param,
488                               const EVP_CIPHER *cipher, const EVP_MD *md,
489                               int en_de);
490 
491 # ifndef OPENSSL_NO_RSA
492 #  define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
493                                         (char *)(rsa))
494 # endif
495 
496 # ifndef OPENSSL_NO_DSA
497 #  define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
498                                         (char *)(dsa))
499 # endif
500 
501 # ifndef OPENSSL_NO_DH
502 #  define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
503                                         (char *)(dh))
504 # endif
505 
506 # ifndef OPENSSL_NO_EC
507 #  define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\
508                                         (char *)(eckey))
509 # endif
510 
511 /* Add some extra combinations */
512 # define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
513 # define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
514 # define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
515 # define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
516 
517 int EVP_MD_type(const EVP_MD *md);
518 # define EVP_MD_nid(e)                   EVP_MD_type(e)
519 # define EVP_MD_name(e)                  OBJ_nid2sn(EVP_MD_nid(e))
520 int EVP_MD_pkey_type(const EVP_MD *md);
521 int EVP_MD_size(const EVP_MD *md);
522 int EVP_MD_block_size(const EVP_MD *md);
523 unsigned long EVP_MD_flags(const EVP_MD *md);
524 
525 const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx);
526 # define EVP_MD_CTX_size(e)              EVP_MD_size(EVP_MD_CTX_md(e))
527 # define EVP_MD_CTX_block_size(e)        EVP_MD_block_size(EVP_MD_CTX_md(e))
528 # define EVP_MD_CTX_type(e)              EVP_MD_type(EVP_MD_CTX_md(e))
529 
530 int EVP_CIPHER_nid(const EVP_CIPHER *cipher);
531 # define EVP_CIPHER_name(e)              OBJ_nid2sn(EVP_CIPHER_nid(e))
532 int EVP_CIPHER_block_size(const EVP_CIPHER *cipher);
533 int EVP_CIPHER_key_length(const EVP_CIPHER *cipher);
534 int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher);
535 unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher);
536 # define EVP_CIPHER_mode(e)              (EVP_CIPHER_flags(e) & EVP_CIPH_MODE)
537 
538 const EVP_CIPHER *EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx);
539 int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx);
540 int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx);
541 int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx);
542 int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx);
543 int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in);
544 void *EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx);
545 void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data);
546 # define EVP_CIPHER_CTX_type(c)         EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
547 unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx);
548 # define EVP_CIPHER_CTX_mode(e)          (EVP_CIPHER_CTX_flags(e) & EVP_CIPH_MODE)
549 
550 # define EVP_ENCODE_LENGTH(l)    (((l+2)/3*4)+(l/48+1)*2+80)
551 # define EVP_DECODE_LENGTH(l)    ((l+3)/4*3+80)
552 
553 # define EVP_SignInit_ex(a,b,c)          EVP_DigestInit_ex(a,b,c)
554 # define EVP_SignInit(a,b)               EVP_DigestInit(a,b)
555 # define EVP_SignUpdate(a,b,c)           EVP_DigestUpdate(a,b,c)
556 # define EVP_VerifyInit_ex(a,b,c)        EVP_DigestInit_ex(a,b,c)
557 # define EVP_VerifyInit(a,b)             EVP_DigestInit(a,b)
558 # define EVP_VerifyUpdate(a,b,c)         EVP_DigestUpdate(a,b,c)
559 # define EVP_OpenUpdate(a,b,c,d,e)       EVP_DecryptUpdate(a,b,c,d,e)
560 # define EVP_SealUpdate(a,b,c,d,e)       EVP_EncryptUpdate(a,b,c,d,e)
561 # define EVP_DigestSignUpdate(a,b,c)     EVP_DigestUpdate(a,b,c)
562 # define EVP_DigestVerifyUpdate(a,b,c)   EVP_DigestUpdate(a,b,c)
563 
564 # ifdef CONST_STRICT
565 void BIO_set_md(BIO *, const EVP_MD *md);
566 # else
567 #  define BIO_set_md(b,md)               BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
568 # endif
569 # define BIO_get_md(b,mdp)               BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
570 # define BIO_get_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
571 # define BIO_set_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_SET_MD_CTX,0,(char *)mdcp)
572 # define BIO_get_cipher_status(b)        BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
573 # define BIO_get_cipher_ctx(b,c_pp)      BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
574 
575 int EVP_Cipher(EVP_CIPHER_CTX *c,
576                unsigned char *out, const unsigned char *in, unsigned int inl);
577 
578 # define EVP_add_cipher_alias(n,alias) \
579         OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
580 # define EVP_add_digest_alias(n,alias) \
581         OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
582 # define EVP_delete_cipher_alias(alias) \
583         OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
584 # define EVP_delete_digest_alias(alias) \
585         OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
586 
587 void EVP_MD_CTX_init(EVP_MD_CTX *ctx);
588 int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
589 EVP_MD_CTX *EVP_MD_CTX_create(void);
590 void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
591 int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in);
592 void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);
593 void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);
594 int EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags);
595 int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
596 int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *d, size_t cnt);
597 int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s);
598 int EVP_Digest(const void *data, size_t count,
599                unsigned char *md, unsigned int *size, const EVP_MD *type,
600                ENGINE *impl);
601 
602 int EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in);
603 int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
604 int EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s);
605 
606 int EVP_read_pw_string(char *buf, int length, const char *prompt, int verify);
607 int EVP_read_pw_string_min(char *buf, int minlen, int maxlen,
608                            const char *prompt, int verify);
609 void EVP_set_pw_prompt(const char *prompt);
610 char *EVP_get_pw_prompt(void);
611 
612 int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md,
613                    const unsigned char *salt, const unsigned char *data,
614                    int datal, int count, unsigned char *key,
615                    unsigned char *iv);
616 
617 void EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags);
618 void EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags);
619 int EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags);
620 
621 int EVP_EncryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
622                     const unsigned char *key, const unsigned char *iv);
623 int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
624                        ENGINE *impl, const unsigned char *key,
625                        const unsigned char *iv);
626 int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
627                       const unsigned char *in, int inl);
628 int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
629 int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
630 
631 int EVP_DecryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
632                     const unsigned char *key, const unsigned char *iv);
633 int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
634                        ENGINE *impl, const unsigned char *key,
635                        const unsigned char *iv);
636 int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
637                       const unsigned char *in, int inl);
638 int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
639 int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
640 
641 int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
642                    const unsigned char *key, const unsigned char *iv,
643                    int enc);
644 int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
645                       ENGINE *impl, const unsigned char *key,
646                       const unsigned char *iv, int enc);
647 int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
648                      const unsigned char *in, int inl);
649 int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
650 int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
651 
652 int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s,
653                   EVP_PKEY *pkey);
654 
655 int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf,
656                     unsigned int siglen, EVP_PKEY *pkey);
657 
658 int EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
659                        const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
660 int EVP_DigestSignFinal(EVP_MD_CTX *ctx,
661                         unsigned char *sigret, size_t *siglen);
662 
663 int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
664                          const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
665 int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx,
666                           const unsigned char *sig, size_t siglen);
667 
668 int EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
669                  const unsigned char *ek, int ekl, const unsigned char *iv,
670                  EVP_PKEY *priv);
671 int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
672 
673 int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
674                  unsigned char **ek, int *ekl, unsigned char *iv,
675                  EVP_PKEY **pubk, int npubk);
676 int EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
677 
678 void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
679 void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
680                       const unsigned char *in, int inl);
681 void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl);
682 int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
683 
684 void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
685 int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
686                      const unsigned char *in, int inl);
687 int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
688                     char *out, int *outl);
689 int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
690 
691 void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
692 int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
693 EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void);
694 void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *a);
695 int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
696 int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
697 int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
698 int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key);
699 
700 # ifndef OPENSSL_NO_BIO
701 BIO_METHOD *BIO_f_md(void);
702 BIO_METHOD *BIO_f_base64(void);
703 BIO_METHOD *BIO_f_cipher(void);
704 BIO_METHOD *BIO_f_reliable(void);
705 void BIO_set_cipher(BIO *b, const EVP_CIPHER *c, const unsigned char *k,
706                     const unsigned char *i, int enc);
707 # endif
708 
709 const EVP_MD *EVP_md_null(void);
710 # ifndef OPENSSL_NO_MD2
711 const EVP_MD *EVP_md2(void);
712 # endif
713 # ifndef OPENSSL_NO_MD4
714 const EVP_MD *EVP_md4(void);
715 # endif
716 # ifndef OPENSSL_NO_MD5
717 const EVP_MD *EVP_md5(void);
718 # endif
719 # ifndef OPENSSL_NO_SHA
720 const EVP_MD *EVP_sha(void);
721 const EVP_MD *EVP_sha1(void);
722 const EVP_MD *EVP_dss(void);
723 const EVP_MD *EVP_dss1(void);
724 const EVP_MD *EVP_ecdsa(void);
725 # endif
726 # ifndef OPENSSL_NO_SHA256
727 const EVP_MD *EVP_sha224(void);
728 const EVP_MD *EVP_sha256(void);
729 # endif
730 # ifndef OPENSSL_NO_SHA512
731 const EVP_MD *EVP_sha384(void);
732 const EVP_MD *EVP_sha512(void);
733 # endif
734 # ifndef OPENSSL_NO_MDC2
735 const EVP_MD *EVP_mdc2(void);
736 # endif
737 # ifndef OPENSSL_NO_RIPEMD
738 const EVP_MD *EVP_ripemd160(void);
739 # endif
740 # ifndef OPENSSL_NO_WHIRLPOOL
741 const EVP_MD *EVP_whirlpool(void);
742 # endif
743 const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
744 # ifndef OPENSSL_NO_DES
745 const EVP_CIPHER *EVP_des_ecb(void);
746 const EVP_CIPHER *EVP_des_ede(void);
747 const EVP_CIPHER *EVP_des_ede3(void);
748 const EVP_CIPHER *EVP_des_ede_ecb(void);
749 const EVP_CIPHER *EVP_des_ede3_ecb(void);
750 const EVP_CIPHER *EVP_des_cfb64(void);
751 #  define EVP_des_cfb EVP_des_cfb64
752 const EVP_CIPHER *EVP_des_cfb1(void);
753 const EVP_CIPHER *EVP_des_cfb8(void);
754 const EVP_CIPHER *EVP_des_ede_cfb64(void);
755 #  define EVP_des_ede_cfb EVP_des_ede_cfb64
756 #  if 0
757 const EVP_CIPHER *EVP_des_ede_cfb1(void);
758 const EVP_CIPHER *EVP_des_ede_cfb8(void);
759 #  endif
760 const EVP_CIPHER *EVP_des_ede3_cfb64(void);
761 #  define EVP_des_ede3_cfb EVP_des_ede3_cfb64
762 const EVP_CIPHER *EVP_des_ede3_cfb1(void);
763 const EVP_CIPHER *EVP_des_ede3_cfb8(void);
764 const EVP_CIPHER *EVP_des_ofb(void);
765 const EVP_CIPHER *EVP_des_ede_ofb(void);
766 const EVP_CIPHER *EVP_des_ede3_ofb(void);
767 const EVP_CIPHER *EVP_des_cbc(void);
768 const EVP_CIPHER *EVP_des_ede_cbc(void);
769 const EVP_CIPHER *EVP_des_ede3_cbc(void);
770 const EVP_CIPHER *EVP_desx_cbc(void);
771 const EVP_CIPHER *EVP_des_ede3_wrap(void);
772 /*
773  * This should now be supported through the dev_crypto ENGINE. But also, why
774  * are rc4 and md5 declarations made here inside a "NO_DES" precompiler
775  * branch?
776  */
777 #  if 0
778 #   ifdef OPENSSL_OPENBSD_DEV_CRYPTO
779 const EVP_CIPHER *EVP_dev_crypto_des_ede3_cbc(void);
780 const EVP_CIPHER *EVP_dev_crypto_rc4(void);
781 const EVP_MD *EVP_dev_crypto_md5(void);
782 #   endif
783 #  endif
784 # endif
785 # ifndef OPENSSL_NO_RC4
786 const EVP_CIPHER *EVP_rc4(void);
787 const EVP_CIPHER *EVP_rc4_40(void);
788 #  ifndef OPENSSL_NO_MD5
789 const EVP_CIPHER *EVP_rc4_hmac_md5(void);
790 #  endif
791 # endif
792 # ifndef OPENSSL_NO_IDEA
793 const EVP_CIPHER *EVP_idea_ecb(void);
794 const EVP_CIPHER *EVP_idea_cfb64(void);
795 #  define EVP_idea_cfb EVP_idea_cfb64
796 const EVP_CIPHER *EVP_idea_ofb(void);
797 const EVP_CIPHER *EVP_idea_cbc(void);
798 # endif
799 # ifndef OPENSSL_NO_RC2
800 const EVP_CIPHER *EVP_rc2_ecb(void);
801 const EVP_CIPHER *EVP_rc2_cbc(void);
802 const EVP_CIPHER *EVP_rc2_40_cbc(void);
803 const EVP_CIPHER *EVP_rc2_64_cbc(void);
804 const EVP_CIPHER *EVP_rc2_cfb64(void);
805 #  define EVP_rc2_cfb EVP_rc2_cfb64
806 const EVP_CIPHER *EVP_rc2_ofb(void);
807 # endif
808 # ifndef OPENSSL_NO_BF
809 const EVP_CIPHER *EVP_bf_ecb(void);
810 const EVP_CIPHER *EVP_bf_cbc(void);
811 const EVP_CIPHER *EVP_bf_cfb64(void);
812 #  define EVP_bf_cfb EVP_bf_cfb64
813 const EVP_CIPHER *EVP_bf_ofb(void);
814 # endif
815 # ifndef OPENSSL_NO_CAST
816 const EVP_CIPHER *EVP_cast5_ecb(void);
817 const EVP_CIPHER *EVP_cast5_cbc(void);
818 const EVP_CIPHER *EVP_cast5_cfb64(void);
819 #  define EVP_cast5_cfb EVP_cast5_cfb64
820 const EVP_CIPHER *EVP_cast5_ofb(void);
821 # endif
822 # ifndef OPENSSL_NO_RC5
823 const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
824 const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
825 const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void);
826 #  define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64
827 const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
828 # endif
829 # ifndef OPENSSL_NO_AES
830 const EVP_CIPHER *EVP_aes_128_ecb(void);
831 const EVP_CIPHER *EVP_aes_128_cbc(void);
832 const EVP_CIPHER *EVP_aes_128_cfb1(void);
833 const EVP_CIPHER *EVP_aes_128_cfb8(void);
834 const EVP_CIPHER *EVP_aes_128_cfb128(void);
835 #  define EVP_aes_128_cfb EVP_aes_128_cfb128
836 const EVP_CIPHER *EVP_aes_128_ofb(void);
837 const EVP_CIPHER *EVP_aes_128_ctr(void);
838 const EVP_CIPHER *EVP_aes_128_ccm(void);
839 const EVP_CIPHER *EVP_aes_128_gcm(void);
840 const EVP_CIPHER *EVP_aes_128_xts(void);
841 const EVP_CIPHER *EVP_aes_128_wrap(void);
842 const EVP_CIPHER *EVP_aes_192_ecb(void);
843 const EVP_CIPHER *EVP_aes_192_cbc(void);
844 const EVP_CIPHER *EVP_aes_192_cfb1(void);
845 const EVP_CIPHER *EVP_aes_192_cfb8(void);
846 const EVP_CIPHER *EVP_aes_192_cfb128(void);
847 #  define EVP_aes_192_cfb EVP_aes_192_cfb128
848 const EVP_CIPHER *EVP_aes_192_ofb(void);
849 const EVP_CIPHER *EVP_aes_192_ctr(void);
850 const EVP_CIPHER *EVP_aes_192_ccm(void);
851 const EVP_CIPHER *EVP_aes_192_gcm(void);
852 const EVP_CIPHER *EVP_aes_192_wrap(void);
853 const EVP_CIPHER *EVP_aes_256_ecb(void);
854 const EVP_CIPHER *EVP_aes_256_cbc(void);
855 const EVP_CIPHER *EVP_aes_256_cfb1(void);
856 const EVP_CIPHER *EVP_aes_256_cfb8(void);
857 const EVP_CIPHER *EVP_aes_256_cfb128(void);
858 #  define EVP_aes_256_cfb EVP_aes_256_cfb128
859 const EVP_CIPHER *EVP_aes_256_ofb(void);
860 const EVP_CIPHER *EVP_aes_256_ctr(void);
861 const EVP_CIPHER *EVP_aes_256_ccm(void);
862 const EVP_CIPHER *EVP_aes_256_gcm(void);
863 const EVP_CIPHER *EVP_aes_256_xts(void);
864 const EVP_CIPHER *EVP_aes_256_wrap(void);
865 #  if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1)
866 const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void);
867 const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void);
868 #  endif
869 #  ifndef OPENSSL_NO_SHA256
870 const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha256(void);
871 const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha256(void);
872 #  endif
873 # endif
874 # ifndef OPENSSL_NO_CAMELLIA
875 const EVP_CIPHER *EVP_camellia_128_ecb(void);
876 const EVP_CIPHER *EVP_camellia_128_cbc(void);
877 const EVP_CIPHER *EVP_camellia_128_cfb1(void);
878 const EVP_CIPHER *EVP_camellia_128_cfb8(void);
879 const EVP_CIPHER *EVP_camellia_128_cfb128(void);
880 #  define EVP_camellia_128_cfb EVP_camellia_128_cfb128
881 const EVP_CIPHER *EVP_camellia_128_ofb(void);
882 const EVP_CIPHER *EVP_camellia_192_ecb(void);
883 const EVP_CIPHER *EVP_camellia_192_cbc(void);
884 const EVP_CIPHER *EVP_camellia_192_cfb1(void);
885 const EVP_CIPHER *EVP_camellia_192_cfb8(void);
886 const EVP_CIPHER *EVP_camellia_192_cfb128(void);
887 #  define EVP_camellia_192_cfb EVP_camellia_192_cfb128
888 const EVP_CIPHER *EVP_camellia_192_ofb(void);
889 const EVP_CIPHER *EVP_camellia_256_ecb(void);
890 const EVP_CIPHER *EVP_camellia_256_cbc(void);
891 const EVP_CIPHER *EVP_camellia_256_cfb1(void);
892 const EVP_CIPHER *EVP_camellia_256_cfb8(void);
893 const EVP_CIPHER *EVP_camellia_256_cfb128(void);
894 #  define EVP_camellia_256_cfb EVP_camellia_256_cfb128
895 const EVP_CIPHER *EVP_camellia_256_ofb(void);
896 # endif
897 
898 # ifndef OPENSSL_NO_SEED
899 const EVP_CIPHER *EVP_seed_ecb(void);
900 const EVP_CIPHER *EVP_seed_cbc(void);
901 const EVP_CIPHER *EVP_seed_cfb128(void);
902 #  define EVP_seed_cfb EVP_seed_cfb128
903 const EVP_CIPHER *EVP_seed_ofb(void);
904 # endif
905 
906 void OPENSSL_add_all_algorithms_noconf(void);
907 void OPENSSL_add_all_algorithms_conf(void);
908 
909 # ifdef OPENSSL_LOAD_CONF
910 #  define OpenSSL_add_all_algorithms() \
911                 OPENSSL_add_all_algorithms_conf()
912 # else
913 #  define OpenSSL_add_all_algorithms() \
914                 OPENSSL_add_all_algorithms_noconf()
915 # endif
916 
917 void OpenSSL_add_all_ciphers(void);
918 void OpenSSL_add_all_digests(void);
919 # define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
920 # define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
921 # define SSLeay_add_all_digests() OpenSSL_add_all_digests()
922 
923 int EVP_add_cipher(const EVP_CIPHER *cipher);
924 int EVP_add_digest(const EVP_MD *digest);
925 
926 const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
927 const EVP_MD *EVP_get_digestbyname(const char *name);
928 void EVP_cleanup(void);
929 
930 void EVP_CIPHER_do_all(void (*fn) (const EVP_CIPHER *ciph,
931                                    const char *from, const char *to, void *x),
932                        void *arg);
933 void EVP_CIPHER_do_all_sorted(void (*fn)
934                                (const EVP_CIPHER *ciph, const char *from,
935                                 const char *to, void *x), void *arg);
936 
937 void EVP_MD_do_all(void (*fn) (const EVP_MD *ciph,
938                                const char *from, const char *to, void *x),
939                    void *arg);
940 void EVP_MD_do_all_sorted(void (*fn)
941                            (const EVP_MD *ciph, const char *from,
942                             const char *to, void *x), void *arg);
943 
944 int EVP_PKEY_decrypt_old(unsigned char *dec_key,
945                          const unsigned char *enc_key, int enc_key_len,
946                          EVP_PKEY *private_key);
947 int EVP_PKEY_encrypt_old(unsigned char *enc_key,
948                          const unsigned char *key, int key_len,
949                          EVP_PKEY *pub_key);
950 int EVP_PKEY_type(int type);
951 int EVP_PKEY_id(const EVP_PKEY *pkey);
952 int EVP_PKEY_base_id(const EVP_PKEY *pkey);
953 int EVP_PKEY_bits(EVP_PKEY *pkey);
954 int EVP_PKEY_size(EVP_PKEY *pkey);
955 int EVP_PKEY_set_type(EVP_PKEY *pkey, int type);
956 int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len);
957 int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key);
958 void *EVP_PKEY_get0(EVP_PKEY *pkey);
959 
960 # ifndef OPENSSL_NO_RSA
961 struct rsa_st;
962 int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, struct rsa_st *key);
963 struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
964 # endif
965 # ifndef OPENSSL_NO_DSA
966 struct dsa_st;
967 int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, struct dsa_st *key);
968 struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
969 # endif
970 # ifndef OPENSSL_NO_DH
971 struct dh_st;
972 int EVP_PKEY_set1_DH(EVP_PKEY *pkey, struct dh_st *key);
973 struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
974 # endif
975 # ifndef OPENSSL_NO_EC
976 struct ec_key_st;
977 int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, struct ec_key_st *key);
978 struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
979 # endif
980 
981 EVP_PKEY *EVP_PKEY_new(void);
982 void EVP_PKEY_free(EVP_PKEY *pkey);
983 
984 EVP_PKEY *d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp,
985                         long length);
986 int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
987 
988 EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp,
989                          long length);
990 EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
991                              long length);
992 int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
993 
994 int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
995 int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
996 int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode);
997 int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);
998 
999 int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);
1000 
1001 int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
1002                           int indent, ASN1_PCTX *pctx);
1003 int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
1004                            int indent, ASN1_PCTX *pctx);
1005 int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
1006                           int indent, ASN1_PCTX *pctx);
1007 
1008 int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid);
1009 
1010 int EVP_CIPHER_type(const EVP_CIPHER *ctx);
1011 
1012 /* calls methods */
1013 int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1014 int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1015 
1016 /* These are used by EVP_CIPHER methods */
1017 int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1018 int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1019 
1020 /* PKCS5 password based encryption */
1021 int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
1022                        ASN1_TYPE *param, const EVP_CIPHER *cipher,
1023                        const EVP_MD *md, int en_de);
1024 int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
1025                            const unsigned char *salt, int saltlen, int iter,
1026                            int keylen, unsigned char *out);
1027 int PKCS5_PBKDF2_HMAC(const char *pass, int passlen,
1028                       const unsigned char *salt, int saltlen, int iter,
1029                       const EVP_MD *digest, int keylen, unsigned char *out);
1030 int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
1031                           ASN1_TYPE *param, const EVP_CIPHER *cipher,
1032                           const EVP_MD *md, int en_de);
1033 
1034 void PKCS5_PBE_add(void);
1035 
1036 int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
1037                        ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
1038 
1039 /* PBE type */
1040 
1041 /* Can appear as the outermost AlgorithmIdentifier */
1042 # define EVP_PBE_TYPE_OUTER      0x0
1043 /* Is an PRF type OID */
1044 # define EVP_PBE_TYPE_PRF        0x1
1045 
1046 int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid,
1047                          int md_nid, EVP_PBE_KEYGEN *keygen);
1048 int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
1049                     EVP_PBE_KEYGEN *keygen);
1050 int EVP_PBE_find(int type, int pbe_nid, int *pcnid, int *pmnid,
1051                  EVP_PBE_KEYGEN **pkeygen);
1052 void EVP_PBE_cleanup(void);
1053 
1054 # define ASN1_PKEY_ALIAS         0x1
1055 # define ASN1_PKEY_DYNAMIC       0x2
1056 # define ASN1_PKEY_SIGPARAM_NULL 0x4
1057 
1058 # define ASN1_PKEY_CTRL_PKCS7_SIGN       0x1
1059 # define ASN1_PKEY_CTRL_PKCS7_ENCRYPT    0x2
1060 # define ASN1_PKEY_CTRL_DEFAULT_MD_NID   0x3
1061 # define ASN1_PKEY_CTRL_CMS_SIGN         0x5
1062 # define ASN1_PKEY_CTRL_CMS_ENVELOPE     0x7
1063 # define ASN1_PKEY_CTRL_CMS_RI_TYPE      0x8
1064 
1065 int EVP_PKEY_asn1_get_count(void);
1066 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx);
1067 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type);
1068 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
1069                                                    const char *str, int len);
1070 int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth);
1071 int EVP_PKEY_asn1_add_alias(int to, int from);
1072 int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *pkey_base_id,
1073                             int *ppkey_flags, const char **pinfo,
1074                             const char **ppem_str,
1075                             const EVP_PKEY_ASN1_METHOD *ameth);
1076 
1077 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_get0_asn1(EVP_PKEY *pkey);
1078 EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_new(int id, int flags,
1079                                         const char *pem_str,
1080                                         const char *info);
1081 void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst,
1082                         const EVP_PKEY_ASN1_METHOD *src);
1083 void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth);
1084 void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
1085                               int (*pub_decode) (EVP_PKEY *pk,
1086                                                  X509_PUBKEY *pub),
1087                               int (*pub_encode) (X509_PUBKEY *pub,
1088                                                  const EVP_PKEY *pk),
1089                               int (*pub_cmp) (const EVP_PKEY *a,
1090                                               const EVP_PKEY *b),
1091                               int (*pub_print) (BIO *out,
1092                                                 const EVP_PKEY *pkey,
1093                                                 int indent, ASN1_PCTX *pctx),
1094                               int (*pkey_size) (const EVP_PKEY *pk),
1095                               int (*pkey_bits) (const EVP_PKEY *pk));
1096 void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
1097                                int (*priv_decode) (EVP_PKEY *pk,
1098                                                    PKCS8_PRIV_KEY_INFO
1099                                                    *p8inf),
1100                                int (*priv_encode) (PKCS8_PRIV_KEY_INFO *p8,
1101                                                    const EVP_PKEY *pk),
1102                                int (*priv_print) (BIO *out,
1103                                                   const EVP_PKEY *pkey,
1104                                                   int indent,
1105                                                   ASN1_PCTX *pctx));
1106 void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
1107                              int (*param_decode) (EVP_PKEY *pkey,
1108                                                   const unsigned char **pder,
1109                                                   int derlen),
1110                              int (*param_encode) (const EVP_PKEY *pkey,
1111                                                   unsigned char **pder),
1112                              int (*param_missing) (const EVP_PKEY *pk),
1113                              int (*param_copy) (EVP_PKEY *to,
1114                                                 const EVP_PKEY *from),
1115                              int (*param_cmp) (const EVP_PKEY *a,
1116                                                const EVP_PKEY *b),
1117                              int (*param_print) (BIO *out,
1118                                                  const EVP_PKEY *pkey,
1119                                                  int indent,
1120                                                  ASN1_PCTX *pctx));
1121 
1122 void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
1123                             void (*pkey_free) (EVP_PKEY *pkey));
1124 void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
1125                             int (*pkey_ctrl) (EVP_PKEY *pkey, int op,
1126                                               long arg1, void *arg2));
1127 void EVP_PKEY_asn1_set_item(EVP_PKEY_ASN1_METHOD *ameth,
1128                             int (*item_verify) (EVP_MD_CTX *ctx,
1129                                                 const ASN1_ITEM *it,
1130                                                 void *asn,
1131                                                 X509_ALGOR *a,
1132                                                 ASN1_BIT_STRING *sig,
1133                                                 EVP_PKEY *pkey),
1134                             int (*item_sign) (EVP_MD_CTX *ctx,
1135                                               const ASN1_ITEM *it,
1136                                               void *asn,
1137                                               X509_ALGOR *alg1,
1138                                               X509_ALGOR *alg2,
1139                                               ASN1_BIT_STRING *sig));
1140 
1141 # define EVP_PKEY_OP_UNDEFINED           0
1142 # define EVP_PKEY_OP_PARAMGEN            (1<<1)
1143 # define EVP_PKEY_OP_KEYGEN              (1<<2)
1144 # define EVP_PKEY_OP_SIGN                (1<<3)
1145 # define EVP_PKEY_OP_VERIFY              (1<<4)
1146 # define EVP_PKEY_OP_VERIFYRECOVER       (1<<5)
1147 # define EVP_PKEY_OP_SIGNCTX             (1<<6)
1148 # define EVP_PKEY_OP_VERIFYCTX           (1<<7)
1149 # define EVP_PKEY_OP_ENCRYPT             (1<<8)
1150 # define EVP_PKEY_OP_DECRYPT             (1<<9)
1151 # define EVP_PKEY_OP_DERIVE              (1<<10)
1152 
1153 # define EVP_PKEY_OP_TYPE_SIG    \
1154         (EVP_PKEY_OP_SIGN | EVP_PKEY_OP_VERIFY | EVP_PKEY_OP_VERIFYRECOVER \
1155                 | EVP_PKEY_OP_SIGNCTX | EVP_PKEY_OP_VERIFYCTX)
1156 
1157 # define EVP_PKEY_OP_TYPE_CRYPT \
1158         (EVP_PKEY_OP_ENCRYPT | EVP_PKEY_OP_DECRYPT)
1159 
1160 # define EVP_PKEY_OP_TYPE_NOGEN \
1161         (EVP_PKEY_OP_SIG | EVP_PKEY_OP_CRYPT | EVP_PKEY_OP_DERIVE)
1162 
1163 # define EVP_PKEY_OP_TYPE_GEN \
1164                 (EVP_PKEY_OP_PARAMGEN | EVP_PKEY_OP_KEYGEN)
1165 
1166 # define  EVP_PKEY_CTX_set_signature_md(ctx, md) \
1167                 EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,  \
1168                                         EVP_PKEY_CTRL_MD, 0, (void *)md)
1169 
1170 # define  EVP_PKEY_CTX_get_signature_md(ctx, pmd)        \
1171                 EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,  \
1172                                         EVP_PKEY_CTRL_GET_MD, 0, (void *)pmd)
1173 
1174 # define EVP_PKEY_CTRL_MD                1
1175 # define EVP_PKEY_CTRL_PEER_KEY          2
1176 
1177 # define EVP_PKEY_CTRL_PKCS7_ENCRYPT     3
1178 # define EVP_PKEY_CTRL_PKCS7_DECRYPT     4
1179 
1180 # define EVP_PKEY_CTRL_PKCS7_SIGN        5
1181 
1182 # define EVP_PKEY_CTRL_SET_MAC_KEY       6
1183 
1184 # define EVP_PKEY_CTRL_DIGESTINIT        7
1185 
1186 /* Used by GOST key encryption in TLS */
1187 # define EVP_PKEY_CTRL_SET_IV            8
1188 
1189 # define EVP_PKEY_CTRL_CMS_ENCRYPT       9
1190 # define EVP_PKEY_CTRL_CMS_DECRYPT       10
1191 # define EVP_PKEY_CTRL_CMS_SIGN          11
1192 
1193 # define EVP_PKEY_CTRL_CIPHER            12
1194 
1195 # define EVP_PKEY_CTRL_GET_MD            13
1196 
1197 # define EVP_PKEY_ALG_CTRL               0x1000
1198 
1199 # define EVP_PKEY_FLAG_AUTOARGLEN        2
1200 /*
1201  * Method handles all operations: don't assume any digest related defaults.
1202  */
1203 # define EVP_PKEY_FLAG_SIGCTX_CUSTOM     4
1204 
1205 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type);
1206 EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags);
1207 void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
1208                              const EVP_PKEY_METHOD *meth);
1209 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src);
1210 void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth);
1211 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth);
1212 
1213 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e);
1214 EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e);
1215 EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *ctx);
1216 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx);
1217 
1218 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
1219                       int cmd, int p1, void *p2);
1220 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *type,
1221                           const char *value);
1222 
1223 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx);
1224 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen);
1225 
1226 EVP_PKEY *EVP_PKEY_new_mac_key(int type, ENGINE *e,
1227                                const unsigned char *key, int keylen);
1228 
1229 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data);
1230 void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx);
1231 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx);
1232 
1233 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx);
1234 
1235 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data);
1236 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx);
1237 
1238 int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx);
1239 int EVP_PKEY_sign(EVP_PKEY_CTX *ctx,
1240                   unsigned char *sig, size_t *siglen,
1241                   const unsigned char *tbs, size_t tbslen);
1242 int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx);
1243 int EVP_PKEY_verify(EVP_PKEY_CTX *ctx,
1244                     const unsigned char *sig, size_t siglen,
1245                     const unsigned char *tbs, size_t tbslen);
1246 int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx);
1247 int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx,
1248                             unsigned char *rout, size_t *routlen,
1249                             const unsigned char *sig, size_t siglen);
1250 int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx);
1251 int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx,
1252                      unsigned char *out, size_t *outlen,
1253                      const unsigned char *in, size_t inlen);
1254 int EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx);
1255 int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx,
1256                      unsigned char *out, size_t *outlen,
1257                      const unsigned char *in, size_t inlen);
1258 
1259 int EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx);
1260 int EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer);
1261 int EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
1262 
1263 typedef int EVP_PKEY_gen_cb (EVP_PKEY_CTX *ctx);
1264 
1265 int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx);
1266 int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
1267 int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx);
1268 int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
1269 
1270 void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb);
1271 EVP_PKEY_gen_cb *EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx);
1272 
1273 int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx);
1274 
1275 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
1276                             int (*init) (EVP_PKEY_CTX *ctx));
1277 
1278 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
1279                             int (*copy) (EVP_PKEY_CTX *dst,
1280                                          EVP_PKEY_CTX *src));
1281 
1282 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
1283                                void (*cleanup) (EVP_PKEY_CTX *ctx));
1284 
1285 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
1286                                 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
1287                                 int (*paramgen) (EVP_PKEY_CTX *ctx,
1288                                                  EVP_PKEY *pkey));
1289 
1290 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
1291                               int (*keygen_init) (EVP_PKEY_CTX *ctx),
1292                               int (*keygen) (EVP_PKEY_CTX *ctx,
1293                                              EVP_PKEY *pkey));
1294 
1295 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
1296                             int (*sign_init) (EVP_PKEY_CTX *ctx),
1297                             int (*sign) (EVP_PKEY_CTX *ctx,
1298                                          unsigned char *sig, size_t *siglen,
1299                                          const unsigned char *tbs,
1300                                          size_t tbslen));
1301 
1302 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
1303                               int (*verify_init) (EVP_PKEY_CTX *ctx),
1304                               int (*verify) (EVP_PKEY_CTX *ctx,
1305                                              const unsigned char *sig,
1306                                              size_t siglen,
1307                                              const unsigned char *tbs,
1308                                              size_t tbslen));
1309 
1310 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
1311                                       int (*verify_recover_init) (EVP_PKEY_CTX
1312                                                                   *ctx),
1313                                       int (*verify_recover) (EVP_PKEY_CTX
1314                                                              *ctx,
1315                                                              unsigned char
1316                                                              *sig,
1317                                                              size_t *siglen,
1318                                                              const unsigned
1319                                                              char *tbs,
1320                                                              size_t tbslen));
1321 
1322 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
1323                                int (*signctx_init) (EVP_PKEY_CTX *ctx,
1324                                                     EVP_MD_CTX *mctx),
1325                                int (*signctx) (EVP_PKEY_CTX *ctx,
1326                                                unsigned char *sig,
1327                                                size_t *siglen,
1328                                                EVP_MD_CTX *mctx));
1329 
1330 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
1331                                  int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
1332                                                         EVP_MD_CTX *mctx),
1333                                  int (*verifyctx) (EVP_PKEY_CTX *ctx,
1334                                                    const unsigned char *sig,
1335                                                    int siglen,
1336                                                    EVP_MD_CTX *mctx));
1337 
1338 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
1339                                int (*encrypt_init) (EVP_PKEY_CTX *ctx),
1340                                int (*encryptfn) (EVP_PKEY_CTX *ctx,
1341                                                  unsigned char *out,
1342                                                  size_t *outlen,
1343                                                  const unsigned char *in,
1344                                                  size_t inlen));
1345 
1346 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
1347                                int (*decrypt_init) (EVP_PKEY_CTX *ctx),
1348                                int (*decrypt) (EVP_PKEY_CTX *ctx,
1349                                                unsigned char *out,
1350                                                size_t *outlen,
1351                                                const unsigned char *in,
1352                                                size_t inlen));
1353 
1354 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
1355                               int (*derive_init) (EVP_PKEY_CTX *ctx),
1356                               int (*derive) (EVP_PKEY_CTX *ctx,
1357                                              unsigned char *key,
1358                                              size_t *keylen));
1359 
1360 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
1361                             int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1362                                          void *p2),
1363                             int (*ctrl_str) (EVP_PKEY_CTX *ctx,
1364                                              const char *type,
1365                                              const char *value));
1366 
1367 void EVP_add_alg_module(void);
1368 
1369 /* BEGIN ERROR CODES */
1370 /*
1371  * The following lines are auto generated by the script mkerr.pl. Any changes
1372  * made after this point may be overwritten when the script is next run.
1373  */
1374 void ERR_load_EVP_strings(void);
1375 
1376 /* Error codes for the EVP functions. */
1377 
1378 /* Function codes. */
1379 # define EVP_F_AESNI_INIT_KEY                             165
1380 # define EVP_F_AESNI_XTS_CIPHER                           176
1381 # define EVP_F_AES_INIT_KEY                               133
1382 # define EVP_F_AES_T4_INIT_KEY                            178
1383 # define EVP_F_AES_XTS                                    172
1384 # define EVP_F_AES_XTS_CIPHER                             175
1385 # define EVP_F_ALG_MODULE_INIT                            177
1386 # define EVP_F_CAMELLIA_INIT_KEY                          159
1387 # define EVP_F_CMAC_INIT                                  173
1388 # define EVP_F_CMLL_T4_INIT_KEY                           179
1389 # define EVP_F_D2I_PKEY                                   100
1390 # define EVP_F_DO_SIGVER_INIT                             161
1391 # define EVP_F_DSAPKEY2PKCS8                              134
1392 # define EVP_F_DSA_PKEY2PKCS8                             135
1393 # define EVP_F_ECDSA_PKEY2PKCS8                           129
1394 # define EVP_F_ECKEY_PKEY2PKCS8                           132
1395 # define EVP_F_EVP_CIPHERINIT_EX                          123
1396 # define EVP_F_EVP_CIPHER_CTX_COPY                        163
1397 # define EVP_F_EVP_CIPHER_CTX_CTRL                        124
1398 # define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH              122
1399 # define EVP_F_EVP_DECRYPTFINAL_EX                        101
1400 # define EVP_F_EVP_DIGESTINIT_EX                          128
1401 # define EVP_F_EVP_ENCRYPTFINAL_EX                        127
1402 # define EVP_F_EVP_MD_CTX_COPY_EX                         110
1403 # define EVP_F_EVP_MD_SIZE                                162
1404 # define EVP_F_EVP_OPENINIT                               102
1405 # define EVP_F_EVP_PBE_ALG_ADD                            115
1406 # define EVP_F_EVP_PBE_ALG_ADD_TYPE                       160
1407 # define EVP_F_EVP_PBE_CIPHERINIT                         116
1408 # define EVP_F_EVP_PKCS82PKEY                             111
1409 # define EVP_F_EVP_PKCS82PKEY_BROKEN                      136
1410 # define EVP_F_EVP_PKEY2PKCS8_BROKEN                      113
1411 # define EVP_F_EVP_PKEY_COPY_PARAMETERS                   103
1412 # define EVP_F_EVP_PKEY_CTX_CTRL                          137
1413 # define EVP_F_EVP_PKEY_CTX_CTRL_STR                      150
1414 # define EVP_F_EVP_PKEY_CTX_DUP                           156
1415 # define EVP_F_EVP_PKEY_DECRYPT                           104
1416 # define EVP_F_EVP_PKEY_DECRYPT_INIT                      138
1417 # define EVP_F_EVP_PKEY_DECRYPT_OLD                       151
1418 # define EVP_F_EVP_PKEY_DERIVE                            153
1419 # define EVP_F_EVP_PKEY_DERIVE_INIT                       154
1420 # define EVP_F_EVP_PKEY_DERIVE_SET_PEER                   155
1421 # define EVP_F_EVP_PKEY_ENCRYPT                           105
1422 # define EVP_F_EVP_PKEY_ENCRYPT_INIT                      139
1423 # define EVP_F_EVP_PKEY_ENCRYPT_OLD                       152
1424 # define EVP_F_EVP_PKEY_GET1_DH                           119
1425 # define EVP_F_EVP_PKEY_GET1_DSA                          120
1426 # define EVP_F_EVP_PKEY_GET1_ECDSA                        130
1427 # define EVP_F_EVP_PKEY_GET1_EC_KEY                       131
1428 # define EVP_F_EVP_PKEY_GET1_RSA                          121
1429 # define EVP_F_EVP_PKEY_KEYGEN                            146
1430 # define EVP_F_EVP_PKEY_KEYGEN_INIT                       147
1431 # define EVP_F_EVP_PKEY_NEW                               106
1432 # define EVP_F_EVP_PKEY_PARAMGEN                          148
1433 # define EVP_F_EVP_PKEY_PARAMGEN_INIT                     149
1434 # define EVP_F_EVP_PKEY_SIGN                              140
1435 # define EVP_F_EVP_PKEY_SIGN_INIT                         141
1436 # define EVP_F_EVP_PKEY_VERIFY                            142
1437 # define EVP_F_EVP_PKEY_VERIFY_INIT                       143
1438 # define EVP_F_EVP_PKEY_VERIFY_RECOVER                    144
1439 # define EVP_F_EVP_PKEY_VERIFY_RECOVER_INIT               145
1440 # define EVP_F_EVP_RIJNDAEL                               126
1441 # define EVP_F_EVP_SIGNFINAL                              107
1442 # define EVP_F_EVP_VERIFYFINAL                            108
1443 # define EVP_F_FIPS_CIPHERINIT                            166
1444 # define EVP_F_FIPS_CIPHER_CTX_COPY                       170
1445 # define EVP_F_FIPS_CIPHER_CTX_CTRL                       167
1446 # define EVP_F_FIPS_CIPHER_CTX_SET_KEY_LENGTH             171
1447 # define EVP_F_FIPS_DIGESTINIT                            168
1448 # define EVP_F_FIPS_MD_CTX_COPY                           169
1449 # define EVP_F_HMAC_INIT_EX                               174
1450 # define EVP_F_INT_CTX_NEW                                157
1451 # define EVP_F_PKCS5_PBE_KEYIVGEN                         117
1452 # define EVP_F_PKCS5_V2_PBE_KEYIVGEN                      118
1453 # define EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN                   164
1454 # define EVP_F_PKCS8_SET_BROKEN                           112
1455 # define EVP_F_PKEY_SET_TYPE                              158
1456 # define EVP_F_RC2_MAGIC_TO_METH                          109
1457 # define EVP_F_RC5_CTRL                                   125
1458 
1459 /* Reason codes. */
1460 # define EVP_R_AES_IV_SETUP_FAILED                        162
1461 # define EVP_R_AES_KEY_SETUP_FAILED                       143
1462 # define EVP_R_ASN1_LIB                                   140
1463 # define EVP_R_BAD_BLOCK_LENGTH                           136
1464 # define EVP_R_BAD_DECRYPT                                100
1465 # define EVP_R_BAD_KEY_LENGTH                             137
1466 # define EVP_R_BN_DECODE_ERROR                            112
1467 # define EVP_R_BN_PUBKEY_ERROR                            113
1468 # define EVP_R_BUFFER_TOO_SMALL                           155
1469 # define EVP_R_CAMELLIA_KEY_SETUP_FAILED                  157
1470 # define EVP_R_CIPHER_PARAMETER_ERROR                     122
1471 # define EVP_R_COMMAND_NOT_SUPPORTED                      147
1472 # define EVP_R_CTRL_NOT_IMPLEMENTED                       132
1473 # define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED             133
1474 # define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH          138
1475 # define EVP_R_DECODE_ERROR                               114
1476 # define EVP_R_DIFFERENT_KEY_TYPES                        101
1477 # define EVP_R_DIFFERENT_PARAMETERS                       153
1478 # define EVP_R_DISABLED_FOR_FIPS                          163
1479 # define EVP_R_ENCODE_ERROR                               115
1480 # define EVP_R_ERROR_LOADING_SECTION                      165
1481 # define EVP_R_ERROR_SETTING_FIPS_MODE                    166
1482 # define EVP_R_EVP_PBE_CIPHERINIT_ERROR                   119
1483 # define EVP_R_EXPECTING_AN_RSA_KEY                       127
1484 # define EVP_R_EXPECTING_A_DH_KEY                         128
1485 # define EVP_R_EXPECTING_A_DSA_KEY                        129
1486 # define EVP_R_EXPECTING_A_ECDSA_KEY                      141
1487 # define EVP_R_EXPECTING_A_EC_KEY                         142
1488 # define EVP_R_FIPS_MODE_NOT_SUPPORTED                    167
1489 # define EVP_R_INITIALIZATION_ERROR                       134
1490 # define EVP_R_INPUT_NOT_INITIALIZED                      111
1491 # define EVP_R_INVALID_DIGEST                             152
1492 # define EVP_R_INVALID_FIPS_MODE                          168
1493 # define EVP_R_INVALID_KEY_LENGTH                         130
1494 # define EVP_R_INVALID_OPERATION                          148
1495 # define EVP_R_IV_TOO_LARGE                               102
1496 # define EVP_R_KEYGEN_FAILURE                             120
1497 # define EVP_R_MESSAGE_DIGEST_IS_NULL                     159
1498 # define EVP_R_METHOD_NOT_SUPPORTED                       144
1499 # define EVP_R_MISSING_PARAMETERS                         103
1500 # define EVP_R_NO_CIPHER_SET                              131
1501 # define EVP_R_NO_DEFAULT_DIGEST                          158
1502 # define EVP_R_NO_DIGEST_SET                              139
1503 # define EVP_R_NO_DSA_PARAMETERS                          116
1504 # define EVP_R_NO_KEY_SET                                 154
1505 # define EVP_R_NO_OPERATION_SET                           149
1506 # define EVP_R_NO_SIGN_FUNCTION_CONFIGURED                104
1507 # define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED              105
1508 # define EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE   150
1509 # define EVP_R_OPERATON_NOT_INITIALIZED                   151
1510 # define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE                  117
1511 # define EVP_R_PRIVATE_KEY_DECODE_ERROR                   145
1512 # define EVP_R_PRIVATE_KEY_ENCODE_ERROR                   146
1513 # define EVP_R_PUBLIC_KEY_NOT_RSA                         106
1514 # define EVP_R_TOO_LARGE                                  164
1515 # define EVP_R_UNKNOWN_CIPHER                             160
1516 # define EVP_R_UNKNOWN_DIGEST                             161
1517 # define EVP_R_UNKNOWN_OPTION                             169
1518 # define EVP_R_UNKNOWN_PBE_ALGORITHM                      121
1519 # define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS                135
1520 # define EVP_R_UNSUPPORTED_ALGORITHM                      156
1521 # define EVP_R_UNSUPPORTED_CIPHER                         107
1522 # define EVP_R_UNSUPPORTED_KEYLENGTH                      123
1523 # define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION        124
1524 # define EVP_R_UNSUPPORTED_KEY_SIZE                       108
1525 # define EVP_R_UNSUPPORTED_PRF                            125
1526 # define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM          118
1527 # define EVP_R_UNSUPPORTED_SALT_TYPE                      126
1528 # define EVP_R_WRAP_MODE_NOT_ALLOWED                      170
1529 # define EVP_R_WRONG_FINAL_BLOCK_LENGTH                   109
1530 # define EVP_R_WRONG_PUBLIC_KEY_TYPE                      110
1531 
1532 #ifdef  __cplusplus
1533 }
1534 #endif
1535 #endif
1536