evp.h revision 280304
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# define EVP_PKT_EXP     0x1000 /* <= 512 bit key */
107
108# define EVP_PKEY_NONE   NID_undef
109# define EVP_PKEY_RSA    NID_rsaEncryption
110# define EVP_PKEY_RSA2   NID_rsa
111# define EVP_PKEY_DSA    NID_dsa
112# define EVP_PKEY_DSA1   NID_dsa_2
113# define EVP_PKEY_DSA2   NID_dsaWithSHA
114# define EVP_PKEY_DSA3   NID_dsaWithSHA1
115# define EVP_PKEY_DSA4   NID_dsaWithSHA1_2
116# define EVP_PKEY_DH     NID_dhKeyAgreement
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
122extern "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 */
129struct 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
160struct 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
183typedef int evp_sign_method(int type, const unsigned char *m,
184                            unsigned int m_length, unsigned char *sigret,
185                            unsigned int *siglen, void *key);
186typedef 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
268struct 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
308struct 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_MODE                   0xF0007
350/* Set if variable length cipher */
351# define         EVP_CIPH_VARIABLE_LENGTH        0x8
352/* Set if the iv handling should be done by the cipher itself */
353# define         EVP_CIPH_CUSTOM_IV              0x10
354/* Set if the cipher's init() function should be called if key is NULL */
355# define         EVP_CIPH_ALWAYS_CALL_INIT       0x20
356/* Call ctrl() to init cipher parameters */
357# define         EVP_CIPH_CTRL_INIT              0x40
358/* Don't use standard key length function */
359# define         EVP_CIPH_CUSTOM_KEY_LENGTH      0x80
360/* Don't use standard block padding */
361# define         EVP_CIPH_NO_PADDING             0x100
362/* cipher handles random key generation */
363# define         EVP_CIPH_RAND_KEY               0x200
364/* cipher has its own additional copying logic */
365# define         EVP_CIPH_CUSTOM_COPY            0x400
366/* Allow use default ASN1 get/set iv */
367# define         EVP_CIPH_FLAG_DEFAULT_ASN1      0x1000
368/* Buffer length in bits not bytes: CFB1 mode only */
369# define         EVP_CIPH_FLAG_LENGTH_BITS       0x2000
370/* Note if suitable for use in FIPS mode */
371# define         EVP_CIPH_FLAG_FIPS              0x4000
372/* Allow non FIPS cipher in FIPS mode */
373# define         EVP_CIPH_FLAG_NON_FIPS_ALLOW    0x8000
374/*
375 * Cipher handles any and all padding logic as well as finalisation.
376 */
377# define         EVP_CIPH_FLAG_CUSTOM_CIPHER     0x100000
378# define         EVP_CIPH_FLAG_AEAD_CIPHER       0x200000
379
380/* ctrl() values */
381
382# define         EVP_CTRL_INIT                   0x0
383# define         EVP_CTRL_SET_KEY_LENGTH         0x1
384# define         EVP_CTRL_GET_RC2_KEY_BITS       0x2
385# define         EVP_CTRL_SET_RC2_KEY_BITS       0x3
386# define         EVP_CTRL_GET_RC5_ROUNDS         0x4
387# define         EVP_CTRL_SET_RC5_ROUNDS         0x5
388# define         EVP_CTRL_RAND_KEY               0x6
389# define         EVP_CTRL_PBE_PRF_NID            0x7
390# define         EVP_CTRL_COPY                   0x8
391# define         EVP_CTRL_GCM_SET_IVLEN          0x9
392# define         EVP_CTRL_GCM_GET_TAG            0x10
393# define         EVP_CTRL_GCM_SET_TAG            0x11
394# define         EVP_CTRL_GCM_SET_IV_FIXED       0x12
395# define         EVP_CTRL_GCM_IV_GEN             0x13
396# define         EVP_CTRL_CCM_SET_IVLEN          EVP_CTRL_GCM_SET_IVLEN
397# define         EVP_CTRL_CCM_GET_TAG            EVP_CTRL_GCM_GET_TAG
398# define         EVP_CTRL_CCM_SET_TAG            EVP_CTRL_GCM_SET_TAG
399# define         EVP_CTRL_CCM_SET_L              0x14
400# define         EVP_CTRL_CCM_SET_MSGLEN         0x15
401/*
402 * AEAD cipher deduces payload length and returns number of bytes required to
403 * store MAC and eventual padding. Subsequent call to EVP_Cipher even
404 * appends/verifies MAC.
405 */
406# define         EVP_CTRL_AEAD_TLS1_AAD          0x16
407/* Used by composite AEAD ciphers, no-op in GCM, CCM... */
408# define         EVP_CTRL_AEAD_SET_MAC_KEY       0x17
409/* Set the GCM invocation field, decrypt only */
410# define         EVP_CTRL_GCM_SET_IV_INV         0x18
411
412/* GCM TLS constants */
413/* Length of fixed part of IV derived from PRF */
414# define EVP_GCM_TLS_FIXED_IV_LEN                        4
415/* Length of explicit part of IV part of TLS records */
416# define EVP_GCM_TLS_EXPLICIT_IV_LEN                     8
417/* Length of tag for TLS */
418# define EVP_GCM_TLS_TAG_LEN                             16
419
420typedef struct evp_cipher_info_st {
421    const EVP_CIPHER *cipher;
422    unsigned char iv[EVP_MAX_IV_LENGTH];
423} EVP_CIPHER_INFO;
424
425struct evp_cipher_ctx_st {
426    const EVP_CIPHER *cipher;
427    ENGINE *engine;             /* functional reference if 'cipher' is
428                                 * ENGINE-provided */
429    int encrypt;                /* encrypt or decrypt */
430    int buf_len;                /* number we have left */
431    unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
432    unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
433    unsigned char buf[EVP_MAX_BLOCK_LENGTH]; /* saved partial block */
434    int num;                    /* used by cfb/ofb/ctr mode */
435    void *app_data;             /* application stuff */
436    int key_len;                /* May change for variable length cipher */
437    unsigned long flags;        /* Various flags */
438    void *cipher_data;          /* per EVP data */
439    int final_used;
440    int block_mask;
441    unsigned char final[EVP_MAX_BLOCK_LENGTH]; /* possible final block */
442} /* EVP_CIPHER_CTX */ ;
443
444typedef struct evp_Encode_Ctx_st {
445    /* number saved in a partial encode/decode */
446    int num;
447    /*
448     * The length is either the output line length (in input bytes) or the
449     * shortest input line length that is ok.  Once decoding begins, the
450     * length is adjusted up each time a longer line is decoded
451     */
452    int length;
453    /* data to encode */
454    unsigned char enc_data[80];
455    /* number read on current line */
456    int line_num;
457    int expect_nl;
458} EVP_ENCODE_CTX;
459
460/* Password based encryption function */
461typedef int (EVP_PBE_KEYGEN) (EVP_CIPHER_CTX *ctx, const char *pass,
462                              int passlen, ASN1_TYPE *param,
463                              const EVP_CIPHER *cipher, const EVP_MD *md,
464                              int en_de);
465
466# ifndef OPENSSL_NO_RSA
467#  define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
468                                        (char *)(rsa))
469# endif
470
471# ifndef OPENSSL_NO_DSA
472#  define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
473                                        (char *)(dsa))
474# endif
475
476# ifndef OPENSSL_NO_DH
477#  define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
478                                        (char *)(dh))
479# endif
480
481# ifndef OPENSSL_NO_EC
482#  define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\
483                                        (char *)(eckey))
484# endif
485
486/* Add some extra combinations */
487# define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
488# define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
489# define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
490# define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
491
492int EVP_MD_type(const EVP_MD *md);
493# define EVP_MD_nid(e)                   EVP_MD_type(e)
494# define EVP_MD_name(e)                  OBJ_nid2sn(EVP_MD_nid(e))
495int EVP_MD_pkey_type(const EVP_MD *md);
496int EVP_MD_size(const EVP_MD *md);
497int EVP_MD_block_size(const EVP_MD *md);
498unsigned long EVP_MD_flags(const EVP_MD *md);
499
500const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx);
501# define EVP_MD_CTX_size(e)              EVP_MD_size(EVP_MD_CTX_md(e))
502# define EVP_MD_CTX_block_size(e)        EVP_MD_block_size(EVP_MD_CTX_md(e))
503# define EVP_MD_CTX_type(e)              EVP_MD_type(EVP_MD_CTX_md(e))
504
505int EVP_CIPHER_nid(const EVP_CIPHER *cipher);
506# define EVP_CIPHER_name(e)              OBJ_nid2sn(EVP_CIPHER_nid(e))
507int EVP_CIPHER_block_size(const EVP_CIPHER *cipher);
508int EVP_CIPHER_key_length(const EVP_CIPHER *cipher);
509int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher);
510unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher);
511# define EVP_CIPHER_mode(e)              (EVP_CIPHER_flags(e) & EVP_CIPH_MODE)
512
513const EVP_CIPHER *EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx);
514int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx);
515int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx);
516int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx);
517int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx);
518int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in);
519void *EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx);
520void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data);
521# define EVP_CIPHER_CTX_type(c)         EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
522unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx);
523# define EVP_CIPHER_CTX_mode(e)          (EVP_CIPHER_CTX_flags(e) & EVP_CIPH_MODE)
524
525# define EVP_ENCODE_LENGTH(l)    (((l+2)/3*4)+(l/48+1)*2+80)
526# define EVP_DECODE_LENGTH(l)    ((l+3)/4*3+80)
527
528# define EVP_SignInit_ex(a,b,c)          EVP_DigestInit_ex(a,b,c)
529# define EVP_SignInit(a,b)               EVP_DigestInit(a,b)
530# define EVP_SignUpdate(a,b,c)           EVP_DigestUpdate(a,b,c)
531# define EVP_VerifyInit_ex(a,b,c)        EVP_DigestInit_ex(a,b,c)
532# define EVP_VerifyInit(a,b)             EVP_DigestInit(a,b)
533# define EVP_VerifyUpdate(a,b,c)         EVP_DigestUpdate(a,b,c)
534# define EVP_OpenUpdate(a,b,c,d,e)       EVP_DecryptUpdate(a,b,c,d,e)
535# define EVP_SealUpdate(a,b,c,d,e)       EVP_EncryptUpdate(a,b,c,d,e)
536# define EVP_DigestSignUpdate(a,b,c)     EVP_DigestUpdate(a,b,c)
537# define EVP_DigestVerifyUpdate(a,b,c)   EVP_DigestUpdate(a,b,c)
538
539# ifdef CONST_STRICT
540void BIO_set_md(BIO *, const EVP_MD *md);
541# else
542#  define BIO_set_md(b,md)               BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
543# endif
544# define BIO_get_md(b,mdp)               BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
545# define BIO_get_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
546# define BIO_set_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_SET_MD_CTX,0,(char *)mdcp)
547# define BIO_get_cipher_status(b)        BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
548# define BIO_get_cipher_ctx(b,c_pp)      BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
549
550int EVP_Cipher(EVP_CIPHER_CTX *c,
551               unsigned char *out, const unsigned char *in, unsigned int inl);
552
553# define EVP_add_cipher_alias(n,alias) \
554        OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
555# define EVP_add_digest_alias(n,alias) \
556        OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
557# define EVP_delete_cipher_alias(alias) \
558        OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
559# define EVP_delete_digest_alias(alias) \
560        OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
561
562void EVP_MD_CTX_init(EVP_MD_CTX *ctx);
563int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
564EVP_MD_CTX *EVP_MD_CTX_create(void);
565void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
566int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in);
567void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);
568void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);
569int EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags);
570int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
571int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *d, size_t cnt);
572int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s);
573int EVP_Digest(const void *data, size_t count,
574               unsigned char *md, unsigned int *size, const EVP_MD *type,
575               ENGINE *impl);
576
577int EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in);
578int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
579int EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s);
580
581int EVP_read_pw_string(char *buf, int length, const char *prompt, int verify);
582int EVP_read_pw_string_min(char *buf, int minlen, int maxlen,
583                           const char *prompt, int verify);
584void EVP_set_pw_prompt(const char *prompt);
585char *EVP_get_pw_prompt(void);
586
587int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md,
588                   const unsigned char *salt, const unsigned char *data,
589                   int datal, int count, unsigned char *key,
590                   unsigned char *iv);
591
592void EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags);
593void EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags);
594int EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags);
595
596int EVP_EncryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
597                    const unsigned char *key, const unsigned char *iv);
598int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
599                       ENGINE *impl, const unsigned char *key,
600                       const unsigned char *iv);
601int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
602                      const unsigned char *in, int inl);
603int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
604int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
605
606int EVP_DecryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
607                    const unsigned char *key, const unsigned char *iv);
608int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
609                       ENGINE *impl, const unsigned char *key,
610                       const unsigned char *iv);
611int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
612                      const unsigned char *in, int inl);
613int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
614int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
615
616int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
617                   const unsigned char *key, const unsigned char *iv,
618                   int enc);
619int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
620                      ENGINE *impl, const unsigned char *key,
621                      const unsigned char *iv, int enc);
622int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
623                     const unsigned char *in, int inl);
624int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
625int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
626
627int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s,
628                  EVP_PKEY *pkey);
629
630int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf,
631                    unsigned int siglen, EVP_PKEY *pkey);
632
633int EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
634                       const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
635int EVP_DigestSignFinal(EVP_MD_CTX *ctx,
636                        unsigned char *sigret, size_t *siglen);
637
638int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
639                         const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
640int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, unsigned char *sig, size_t siglen);
641
642int EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
643                 const unsigned char *ek, int ekl, const unsigned char *iv,
644                 EVP_PKEY *priv);
645int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
646
647int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
648                 unsigned char **ek, int *ekl, unsigned char *iv,
649                 EVP_PKEY **pubk, int npubk);
650int EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
651
652void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
653void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
654                      const unsigned char *in, int inl);
655void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl);
656int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
657
658void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
659int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
660                     const unsigned char *in, int inl);
661int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
662                    char *out, int *outl);
663int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
664
665void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
666int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
667EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void);
668void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *a);
669int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
670int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
671int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
672int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key);
673
674# ifndef OPENSSL_NO_BIO
675BIO_METHOD *BIO_f_md(void);
676BIO_METHOD *BIO_f_base64(void);
677BIO_METHOD *BIO_f_cipher(void);
678BIO_METHOD *BIO_f_reliable(void);
679void BIO_set_cipher(BIO *b, const EVP_CIPHER *c, const unsigned char *k,
680                    const unsigned char *i, int enc);
681# endif
682
683const EVP_MD *EVP_md_null(void);
684# ifndef OPENSSL_NO_MD2
685const EVP_MD *EVP_md2(void);
686# endif
687# ifndef OPENSSL_NO_MD4
688const EVP_MD *EVP_md4(void);
689# endif
690# ifndef OPENSSL_NO_MD5
691const EVP_MD *EVP_md5(void);
692# endif
693# ifndef OPENSSL_NO_SHA
694const EVP_MD *EVP_sha(void);
695const EVP_MD *EVP_sha1(void);
696const EVP_MD *EVP_dss(void);
697const EVP_MD *EVP_dss1(void);
698const EVP_MD *EVP_ecdsa(void);
699# endif
700# ifndef OPENSSL_NO_SHA256
701const EVP_MD *EVP_sha224(void);
702const EVP_MD *EVP_sha256(void);
703# endif
704# ifndef OPENSSL_NO_SHA512
705const EVP_MD *EVP_sha384(void);
706const EVP_MD *EVP_sha512(void);
707# endif
708# ifndef OPENSSL_NO_MDC2
709const EVP_MD *EVP_mdc2(void);
710# endif
711# ifndef OPENSSL_NO_RIPEMD
712const EVP_MD *EVP_ripemd160(void);
713# endif
714# ifndef OPENSSL_NO_WHIRLPOOL
715const EVP_MD *EVP_whirlpool(void);
716# endif
717const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
718# ifndef OPENSSL_NO_DES
719const EVP_CIPHER *EVP_des_ecb(void);
720const EVP_CIPHER *EVP_des_ede(void);
721const EVP_CIPHER *EVP_des_ede3(void);
722const EVP_CIPHER *EVP_des_ede_ecb(void);
723const EVP_CIPHER *EVP_des_ede3_ecb(void);
724const EVP_CIPHER *EVP_des_cfb64(void);
725#  define EVP_des_cfb EVP_des_cfb64
726const EVP_CIPHER *EVP_des_cfb1(void);
727const EVP_CIPHER *EVP_des_cfb8(void);
728const EVP_CIPHER *EVP_des_ede_cfb64(void);
729#  define EVP_des_ede_cfb EVP_des_ede_cfb64
730#  if 0
731const EVP_CIPHER *EVP_des_ede_cfb1(void);
732const EVP_CIPHER *EVP_des_ede_cfb8(void);
733#  endif
734const EVP_CIPHER *EVP_des_ede3_cfb64(void);
735#  define EVP_des_ede3_cfb EVP_des_ede3_cfb64
736const EVP_CIPHER *EVP_des_ede3_cfb1(void);
737const EVP_CIPHER *EVP_des_ede3_cfb8(void);
738const EVP_CIPHER *EVP_des_ofb(void);
739const EVP_CIPHER *EVP_des_ede_ofb(void);
740const EVP_CIPHER *EVP_des_ede3_ofb(void);
741const EVP_CIPHER *EVP_des_cbc(void);
742const EVP_CIPHER *EVP_des_ede_cbc(void);
743const EVP_CIPHER *EVP_des_ede3_cbc(void);
744const EVP_CIPHER *EVP_desx_cbc(void);
745/*
746 * This should now be supported through the dev_crypto ENGINE. But also, why
747 * are rc4 and md5 declarations made here inside a "NO_DES" precompiler
748 * branch?
749 */
750#  if 0
751#   ifdef OPENSSL_OPENBSD_DEV_CRYPTO
752const EVP_CIPHER *EVP_dev_crypto_des_ede3_cbc(void);
753const EVP_CIPHER *EVP_dev_crypto_rc4(void);
754const EVP_MD *EVP_dev_crypto_md5(void);
755#   endif
756#  endif
757# endif
758# ifndef OPENSSL_NO_RC4
759const EVP_CIPHER *EVP_rc4(void);
760const EVP_CIPHER *EVP_rc4_40(void);
761#  ifndef OPENSSL_NO_MD5
762const EVP_CIPHER *EVP_rc4_hmac_md5(void);
763#  endif
764# endif
765# ifndef OPENSSL_NO_IDEA
766const EVP_CIPHER *EVP_idea_ecb(void);
767const EVP_CIPHER *EVP_idea_cfb64(void);
768#  define EVP_idea_cfb EVP_idea_cfb64
769const EVP_CIPHER *EVP_idea_ofb(void);
770const EVP_CIPHER *EVP_idea_cbc(void);
771# endif
772# ifndef OPENSSL_NO_RC2
773const EVP_CIPHER *EVP_rc2_ecb(void);
774const EVP_CIPHER *EVP_rc2_cbc(void);
775const EVP_CIPHER *EVP_rc2_40_cbc(void);
776const EVP_CIPHER *EVP_rc2_64_cbc(void);
777const EVP_CIPHER *EVP_rc2_cfb64(void);
778#  define EVP_rc2_cfb EVP_rc2_cfb64
779const EVP_CIPHER *EVP_rc2_ofb(void);
780# endif
781# ifndef OPENSSL_NO_BF
782const EVP_CIPHER *EVP_bf_ecb(void);
783const EVP_CIPHER *EVP_bf_cbc(void);
784const EVP_CIPHER *EVP_bf_cfb64(void);
785#  define EVP_bf_cfb EVP_bf_cfb64
786const EVP_CIPHER *EVP_bf_ofb(void);
787# endif
788# ifndef OPENSSL_NO_CAST
789const EVP_CIPHER *EVP_cast5_ecb(void);
790const EVP_CIPHER *EVP_cast5_cbc(void);
791const EVP_CIPHER *EVP_cast5_cfb64(void);
792#  define EVP_cast5_cfb EVP_cast5_cfb64
793const EVP_CIPHER *EVP_cast5_ofb(void);
794# endif
795# ifndef OPENSSL_NO_RC5
796const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
797const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
798const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void);
799#  define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64
800const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
801# endif
802# ifndef OPENSSL_NO_AES
803const EVP_CIPHER *EVP_aes_128_ecb(void);
804const EVP_CIPHER *EVP_aes_128_cbc(void);
805const EVP_CIPHER *EVP_aes_128_cfb1(void);
806const EVP_CIPHER *EVP_aes_128_cfb8(void);
807const EVP_CIPHER *EVP_aes_128_cfb128(void);
808#  define EVP_aes_128_cfb EVP_aes_128_cfb128
809const EVP_CIPHER *EVP_aes_128_ofb(void);
810const EVP_CIPHER *EVP_aes_128_ctr(void);
811const EVP_CIPHER *EVP_aes_128_ccm(void);
812const EVP_CIPHER *EVP_aes_128_gcm(void);
813const EVP_CIPHER *EVP_aes_128_xts(void);
814const EVP_CIPHER *EVP_aes_192_ecb(void);
815const EVP_CIPHER *EVP_aes_192_cbc(void);
816const EVP_CIPHER *EVP_aes_192_cfb1(void);
817const EVP_CIPHER *EVP_aes_192_cfb8(void);
818const EVP_CIPHER *EVP_aes_192_cfb128(void);
819#  define EVP_aes_192_cfb EVP_aes_192_cfb128
820const EVP_CIPHER *EVP_aes_192_ofb(void);
821const EVP_CIPHER *EVP_aes_192_ctr(void);
822const EVP_CIPHER *EVP_aes_192_ccm(void);
823const EVP_CIPHER *EVP_aes_192_gcm(void);
824const EVP_CIPHER *EVP_aes_256_ecb(void);
825const EVP_CIPHER *EVP_aes_256_cbc(void);
826const EVP_CIPHER *EVP_aes_256_cfb1(void);
827const EVP_CIPHER *EVP_aes_256_cfb8(void);
828const EVP_CIPHER *EVP_aes_256_cfb128(void);
829#  define EVP_aes_256_cfb EVP_aes_256_cfb128
830const EVP_CIPHER *EVP_aes_256_ofb(void);
831const EVP_CIPHER *EVP_aes_256_ctr(void);
832const EVP_CIPHER *EVP_aes_256_ccm(void);
833const EVP_CIPHER *EVP_aes_256_gcm(void);
834const EVP_CIPHER *EVP_aes_256_xts(void);
835#  if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1)
836const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void);
837const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void);
838#  endif
839# endif
840# ifndef OPENSSL_NO_CAMELLIA
841const EVP_CIPHER *EVP_camellia_128_ecb(void);
842const EVP_CIPHER *EVP_camellia_128_cbc(void);
843const EVP_CIPHER *EVP_camellia_128_cfb1(void);
844const EVP_CIPHER *EVP_camellia_128_cfb8(void);
845const EVP_CIPHER *EVP_camellia_128_cfb128(void);
846#  define EVP_camellia_128_cfb EVP_camellia_128_cfb128
847const EVP_CIPHER *EVP_camellia_128_ofb(void);
848const EVP_CIPHER *EVP_camellia_192_ecb(void);
849const EVP_CIPHER *EVP_camellia_192_cbc(void);
850const EVP_CIPHER *EVP_camellia_192_cfb1(void);
851const EVP_CIPHER *EVP_camellia_192_cfb8(void);
852const EVP_CIPHER *EVP_camellia_192_cfb128(void);
853#  define EVP_camellia_192_cfb EVP_camellia_192_cfb128
854const EVP_CIPHER *EVP_camellia_192_ofb(void);
855const EVP_CIPHER *EVP_camellia_256_ecb(void);
856const EVP_CIPHER *EVP_camellia_256_cbc(void);
857const EVP_CIPHER *EVP_camellia_256_cfb1(void);
858const EVP_CIPHER *EVP_camellia_256_cfb8(void);
859const EVP_CIPHER *EVP_camellia_256_cfb128(void);
860#  define EVP_camellia_256_cfb EVP_camellia_256_cfb128
861const EVP_CIPHER *EVP_camellia_256_ofb(void);
862# endif
863
864# ifndef OPENSSL_NO_SEED
865const EVP_CIPHER *EVP_seed_ecb(void);
866const EVP_CIPHER *EVP_seed_cbc(void);
867const EVP_CIPHER *EVP_seed_cfb128(void);
868#  define EVP_seed_cfb EVP_seed_cfb128
869const EVP_CIPHER *EVP_seed_ofb(void);
870# endif
871
872void OPENSSL_add_all_algorithms_noconf(void);
873void OPENSSL_add_all_algorithms_conf(void);
874
875# ifdef OPENSSL_LOAD_CONF
876#  define OpenSSL_add_all_algorithms() \
877                OPENSSL_add_all_algorithms_conf()
878# else
879#  define OpenSSL_add_all_algorithms() \
880                OPENSSL_add_all_algorithms_noconf()
881# endif
882
883void OpenSSL_add_all_ciphers(void);
884void OpenSSL_add_all_digests(void);
885# define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
886# define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
887# define SSLeay_add_all_digests() OpenSSL_add_all_digests()
888
889int EVP_add_cipher(const EVP_CIPHER *cipher);
890int EVP_add_digest(const EVP_MD *digest);
891
892const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
893const EVP_MD *EVP_get_digestbyname(const char *name);
894void EVP_cleanup(void);
895
896void EVP_CIPHER_do_all(void (*fn) (const EVP_CIPHER *ciph,
897                                   const char *from, const char *to, void *x),
898                       void *arg);
899void EVP_CIPHER_do_all_sorted(void (*fn)
900                               (const EVP_CIPHER *ciph, const char *from,
901                                const char *to, void *x), void *arg);
902
903void EVP_MD_do_all(void (*fn) (const EVP_MD *ciph,
904                               const char *from, const char *to, void *x),
905                   void *arg);
906void EVP_MD_do_all_sorted(void (*fn)
907                           (const EVP_MD *ciph, const char *from,
908                            const char *to, void *x), void *arg);
909
910int EVP_PKEY_decrypt_old(unsigned char *dec_key,
911                         const unsigned char *enc_key, int enc_key_len,
912                         EVP_PKEY *private_key);
913int EVP_PKEY_encrypt_old(unsigned char *enc_key,
914                         const unsigned char *key, int key_len,
915                         EVP_PKEY *pub_key);
916int EVP_PKEY_type(int type);
917int EVP_PKEY_id(const EVP_PKEY *pkey);
918int EVP_PKEY_base_id(const EVP_PKEY *pkey);
919int EVP_PKEY_bits(EVP_PKEY *pkey);
920int EVP_PKEY_size(EVP_PKEY *pkey);
921int EVP_PKEY_set_type(EVP_PKEY *pkey, int type);
922int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len);
923int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key);
924void *EVP_PKEY_get0(EVP_PKEY *pkey);
925
926# ifndef OPENSSL_NO_RSA
927struct rsa_st;
928int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, struct rsa_st *key);
929struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
930# endif
931# ifndef OPENSSL_NO_DSA
932struct dsa_st;
933int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, struct dsa_st *key);
934struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
935# endif
936# ifndef OPENSSL_NO_DH
937struct dh_st;
938int EVP_PKEY_set1_DH(EVP_PKEY *pkey, struct dh_st *key);
939struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
940# endif
941# ifndef OPENSSL_NO_EC
942struct ec_key_st;
943int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, struct ec_key_st *key);
944struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
945# endif
946
947EVP_PKEY *EVP_PKEY_new(void);
948void EVP_PKEY_free(EVP_PKEY *pkey);
949
950EVP_PKEY *d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp,
951                        long length);
952int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
953
954EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp,
955                         long length);
956EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
957                             long length);
958int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
959
960int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
961int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
962int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode);
963int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);
964
965int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);
966
967int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
968                          int indent, ASN1_PCTX *pctx);
969int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
970                           int indent, ASN1_PCTX *pctx);
971int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
972                          int indent, ASN1_PCTX *pctx);
973
974int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid);
975
976int EVP_CIPHER_type(const EVP_CIPHER *ctx);
977
978/* calls methods */
979int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
980int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
981
982/* These are used by EVP_CIPHER methods */
983int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
984int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
985
986/* PKCS5 password based encryption */
987int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
988                       ASN1_TYPE *param, const EVP_CIPHER *cipher,
989                       const EVP_MD *md, int en_de);
990int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
991                           const unsigned char *salt, int saltlen, int iter,
992                           int keylen, unsigned char *out);
993int PKCS5_PBKDF2_HMAC(const char *pass, int passlen,
994                      const unsigned char *salt, int saltlen, int iter,
995                      const EVP_MD *digest, int keylen, unsigned char *out);
996int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
997                          ASN1_TYPE *param, const EVP_CIPHER *cipher,
998                          const EVP_MD *md, int en_de);
999
1000void PKCS5_PBE_add(void);
1001
1002int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
1003                       ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
1004
1005/* PBE type */
1006
1007/* Can appear as the outermost AlgorithmIdentifier */
1008# define EVP_PBE_TYPE_OUTER      0x0
1009/* Is an PRF type OID */
1010# define EVP_PBE_TYPE_PRF        0x1
1011
1012int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid,
1013                         int md_nid, EVP_PBE_KEYGEN *keygen);
1014int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
1015                    EVP_PBE_KEYGEN *keygen);
1016int EVP_PBE_find(int type, int pbe_nid, int *pcnid, int *pmnid,
1017                 EVP_PBE_KEYGEN **pkeygen);
1018void EVP_PBE_cleanup(void);
1019
1020# define ASN1_PKEY_ALIAS         0x1
1021# define ASN1_PKEY_DYNAMIC       0x2
1022# define ASN1_PKEY_SIGPARAM_NULL 0x4
1023
1024# define ASN1_PKEY_CTRL_PKCS7_SIGN       0x1
1025# define ASN1_PKEY_CTRL_PKCS7_ENCRYPT    0x2
1026# define ASN1_PKEY_CTRL_DEFAULT_MD_NID   0x3
1027# define ASN1_PKEY_CTRL_CMS_SIGN         0x5
1028# define ASN1_PKEY_CTRL_CMS_ENVELOPE     0x7
1029
1030int EVP_PKEY_asn1_get_count(void);
1031const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx);
1032const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type);
1033const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
1034                                                   const char *str, int len);
1035int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth);
1036int EVP_PKEY_asn1_add_alias(int to, int from);
1037int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *pkey_base_id,
1038                            int *ppkey_flags, const char **pinfo,
1039                            const char **ppem_str,
1040                            const EVP_PKEY_ASN1_METHOD *ameth);
1041
1042const EVP_PKEY_ASN1_METHOD *EVP_PKEY_get0_asn1(EVP_PKEY *pkey);
1043EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_new(int id, int flags,
1044                                        const char *pem_str,
1045                                        const char *info);
1046void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst,
1047                        const EVP_PKEY_ASN1_METHOD *src);
1048void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth);
1049void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
1050                              int (*pub_decode) (EVP_PKEY *pk,
1051                                                 X509_PUBKEY *pub),
1052                              int (*pub_encode) (X509_PUBKEY *pub,
1053                                                 const EVP_PKEY *pk),
1054                              int (*pub_cmp) (const EVP_PKEY *a,
1055                                              const EVP_PKEY *b),
1056                              int (*pub_print) (BIO *out,
1057                                                const EVP_PKEY *pkey,
1058                                                int indent, ASN1_PCTX *pctx),
1059                              int (*pkey_size) (const EVP_PKEY *pk),
1060                              int (*pkey_bits) (const EVP_PKEY *pk));
1061void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
1062                               int (*priv_decode) (EVP_PKEY *pk,
1063                                                   PKCS8_PRIV_KEY_INFO
1064                                                   *p8inf),
1065                               int (*priv_encode) (PKCS8_PRIV_KEY_INFO *p8,
1066                                                   const EVP_PKEY *pk),
1067                               int (*priv_print) (BIO *out,
1068                                                  const EVP_PKEY *pkey,
1069                                                  int indent,
1070                                                  ASN1_PCTX *pctx));
1071void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
1072                             int (*param_decode) (EVP_PKEY *pkey,
1073                                                  const unsigned char **pder,
1074                                                  int derlen),
1075                             int (*param_encode) (const EVP_PKEY *pkey,
1076                                                  unsigned char **pder),
1077                             int (*param_missing) (const EVP_PKEY *pk),
1078                             int (*param_copy) (EVP_PKEY *to,
1079                                                const EVP_PKEY *from),
1080                             int (*param_cmp) (const EVP_PKEY *a,
1081                                               const EVP_PKEY *b),
1082                             int (*param_print) (BIO *out,
1083                                                 const EVP_PKEY *pkey,
1084                                                 int indent,
1085                                                 ASN1_PCTX *pctx));
1086
1087void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
1088                            void (*pkey_free) (EVP_PKEY *pkey));
1089void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
1090                            int (*pkey_ctrl) (EVP_PKEY *pkey, int op,
1091                                              long arg1, void *arg2));
1092
1093# define EVP_PKEY_OP_UNDEFINED           0
1094# define EVP_PKEY_OP_PARAMGEN            (1<<1)
1095# define EVP_PKEY_OP_KEYGEN              (1<<2)
1096# define EVP_PKEY_OP_SIGN                (1<<3)
1097# define EVP_PKEY_OP_VERIFY              (1<<4)
1098# define EVP_PKEY_OP_VERIFYRECOVER       (1<<5)
1099# define EVP_PKEY_OP_SIGNCTX             (1<<6)
1100# define EVP_PKEY_OP_VERIFYCTX           (1<<7)
1101# define EVP_PKEY_OP_ENCRYPT             (1<<8)
1102# define EVP_PKEY_OP_DECRYPT             (1<<9)
1103# define EVP_PKEY_OP_DERIVE              (1<<10)
1104
1105# define EVP_PKEY_OP_TYPE_SIG    \
1106        (EVP_PKEY_OP_SIGN | EVP_PKEY_OP_VERIFY | EVP_PKEY_OP_VERIFYRECOVER \
1107                | EVP_PKEY_OP_SIGNCTX | EVP_PKEY_OP_VERIFYCTX)
1108
1109# define EVP_PKEY_OP_TYPE_CRYPT \
1110        (EVP_PKEY_OP_ENCRYPT | EVP_PKEY_OP_DECRYPT)
1111
1112# define EVP_PKEY_OP_TYPE_NOGEN \
1113        (EVP_PKEY_OP_SIG | EVP_PKEY_OP_CRYPT | EVP_PKEY_OP_DERIVE)
1114
1115# define EVP_PKEY_OP_TYPE_GEN \
1116                (EVP_PKEY_OP_PARAMGEN | EVP_PKEY_OP_KEYGEN)
1117
1118# define  EVP_PKEY_CTX_set_signature_md(ctx, md) \
1119                EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,  \
1120                                        EVP_PKEY_CTRL_MD, 0, (void *)md)
1121
1122# define EVP_PKEY_CTRL_MD                1
1123# define EVP_PKEY_CTRL_PEER_KEY          2
1124
1125# define EVP_PKEY_CTRL_PKCS7_ENCRYPT     3
1126# define EVP_PKEY_CTRL_PKCS7_DECRYPT     4
1127
1128# define EVP_PKEY_CTRL_PKCS7_SIGN        5
1129
1130# define EVP_PKEY_CTRL_SET_MAC_KEY       6
1131
1132# define EVP_PKEY_CTRL_DIGESTINIT        7
1133
1134/* Used by GOST key encryption in TLS */
1135# define EVP_PKEY_CTRL_SET_IV            8
1136
1137# define EVP_PKEY_CTRL_CMS_ENCRYPT       9
1138# define EVP_PKEY_CTRL_CMS_DECRYPT       10
1139# define EVP_PKEY_CTRL_CMS_SIGN          11
1140
1141# define EVP_PKEY_CTRL_CIPHER            12
1142
1143# define EVP_PKEY_ALG_CTRL               0x1000
1144
1145# define EVP_PKEY_FLAG_AUTOARGLEN        2
1146/*
1147 * Method handles all operations: don't assume any digest related defaults.
1148 */
1149# define EVP_PKEY_FLAG_SIGCTX_CUSTOM     4
1150
1151const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type);
1152EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags);
1153void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
1154                             const EVP_PKEY_METHOD *meth);
1155void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src);
1156void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth);
1157int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth);
1158
1159EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e);
1160EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e);
1161EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *ctx);
1162void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx);
1163
1164int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
1165                      int cmd, int p1, void *p2);
1166int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *type,
1167                          const char *value);
1168
1169int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx);
1170void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen);
1171
1172EVP_PKEY *EVP_PKEY_new_mac_key(int type, ENGINE *e,
1173                               const unsigned char *key, int keylen);
1174
1175void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data);
1176void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx);
1177EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx);
1178
1179EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx);
1180
1181void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data);
1182void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx);
1183
1184int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx);
1185int EVP_PKEY_sign(EVP_PKEY_CTX *ctx,
1186                  unsigned char *sig, size_t *siglen,
1187                  const unsigned char *tbs, size_t tbslen);
1188int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx);
1189int EVP_PKEY_verify(EVP_PKEY_CTX *ctx,
1190                    const unsigned char *sig, size_t siglen,
1191                    const unsigned char *tbs, size_t tbslen);
1192int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx);
1193int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx,
1194                            unsigned char *rout, size_t *routlen,
1195                            const unsigned char *sig, size_t siglen);
1196int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx);
1197int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx,
1198                     unsigned char *out, size_t *outlen,
1199                     const unsigned char *in, size_t inlen);
1200int EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx);
1201int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx,
1202                     unsigned char *out, size_t *outlen,
1203                     const unsigned char *in, size_t inlen);
1204
1205int EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx);
1206int EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer);
1207int EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
1208
1209typedef int EVP_PKEY_gen_cb (EVP_PKEY_CTX *ctx);
1210
1211int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx);
1212int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
1213int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx);
1214int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
1215
1216void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb);
1217EVP_PKEY_gen_cb *EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx);
1218
1219int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx);
1220
1221void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
1222                            int (*init) (EVP_PKEY_CTX *ctx));
1223
1224void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
1225                            int (*copy) (EVP_PKEY_CTX *dst,
1226                                         EVP_PKEY_CTX *src));
1227
1228void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
1229                               void (*cleanup) (EVP_PKEY_CTX *ctx));
1230
1231void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
1232                                int (*paramgen_init) (EVP_PKEY_CTX *ctx),
1233                                int (*paramgen) (EVP_PKEY_CTX *ctx,
1234                                                 EVP_PKEY *pkey));
1235
1236void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
1237                              int (*keygen_init) (EVP_PKEY_CTX *ctx),
1238                              int (*keygen) (EVP_PKEY_CTX *ctx,
1239                                             EVP_PKEY *pkey));
1240
1241void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
1242                            int (*sign_init) (EVP_PKEY_CTX *ctx),
1243                            int (*sign) (EVP_PKEY_CTX *ctx,
1244                                         unsigned char *sig, size_t *siglen,
1245                                         const unsigned char *tbs,
1246                                         size_t tbslen));
1247
1248void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
1249                              int (*verify_init) (EVP_PKEY_CTX *ctx),
1250                              int (*verify) (EVP_PKEY_CTX *ctx,
1251                                             const unsigned char *sig,
1252                                             size_t siglen,
1253                                             const unsigned char *tbs,
1254                                             size_t tbslen));
1255
1256void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
1257                                      int (*verify_recover_init) (EVP_PKEY_CTX
1258                                                                  *ctx),
1259                                      int (*verify_recover) (EVP_PKEY_CTX
1260                                                             *ctx,
1261                                                             unsigned char
1262                                                             *sig,
1263                                                             size_t *siglen,
1264                                                             const unsigned
1265                                                             char *tbs,
1266                                                             size_t tbslen));
1267
1268void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
1269                               int (*signctx_init) (EVP_PKEY_CTX *ctx,
1270                                                    EVP_MD_CTX *mctx),
1271                               int (*signctx) (EVP_PKEY_CTX *ctx,
1272                                               unsigned char *sig,
1273                                               size_t *siglen,
1274                                               EVP_MD_CTX *mctx));
1275
1276void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
1277                                 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
1278                                                        EVP_MD_CTX *mctx),
1279                                 int (*verifyctx) (EVP_PKEY_CTX *ctx,
1280                                                   const unsigned char *sig,
1281                                                   int siglen,
1282                                                   EVP_MD_CTX *mctx));
1283
1284void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
1285                               int (*encrypt_init) (EVP_PKEY_CTX *ctx),
1286                               int (*encryptfn) (EVP_PKEY_CTX *ctx,
1287                                                 unsigned char *out,
1288                                                 size_t *outlen,
1289                                                 const unsigned char *in,
1290                                                 size_t inlen));
1291
1292void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
1293                               int (*decrypt_init) (EVP_PKEY_CTX *ctx),
1294                               int (*decrypt) (EVP_PKEY_CTX *ctx,
1295                                               unsigned char *out,
1296                                               size_t *outlen,
1297                                               const unsigned char *in,
1298                                               size_t inlen));
1299
1300void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
1301                              int (*derive_init) (EVP_PKEY_CTX *ctx),
1302                              int (*derive) (EVP_PKEY_CTX *ctx,
1303                                             unsigned char *key,
1304                                             size_t *keylen));
1305
1306void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
1307                            int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1308                                         void *p2),
1309                            int (*ctrl_str) (EVP_PKEY_CTX *ctx,
1310                                             const char *type,
1311                                             const char *value));
1312
1313void EVP_add_alg_module(void);
1314
1315/* BEGIN ERROR CODES */
1316/*
1317 * The following lines are auto generated by the script mkerr.pl. Any changes
1318 * made after this point may be overwritten when the script is next run.
1319 */
1320void ERR_load_EVP_strings(void);
1321
1322/* Error codes for the EVP functions. */
1323
1324/* Function codes. */
1325# define EVP_F_AESNI_INIT_KEY                             165
1326# define EVP_F_AESNI_XTS_CIPHER                           176
1327# define EVP_F_AES_INIT_KEY                               133
1328# define EVP_F_AES_XTS                                    172
1329# define EVP_F_AES_XTS_CIPHER                             175
1330# define EVP_F_ALG_MODULE_INIT                            177
1331# define EVP_F_CAMELLIA_INIT_KEY                          159
1332# define EVP_F_CMAC_INIT                                  173
1333# define EVP_F_D2I_PKEY                                   100
1334# define EVP_F_DO_SIGVER_INIT                             161
1335# define EVP_F_DSAPKEY2PKCS8                              134
1336# define EVP_F_DSA_PKEY2PKCS8                             135
1337# define EVP_F_ECDSA_PKEY2PKCS8                           129
1338# define EVP_F_ECKEY_PKEY2PKCS8                           132
1339# define EVP_F_EVP_CIPHERINIT_EX                          123
1340# define EVP_F_EVP_CIPHER_CTX_COPY                        163
1341# define EVP_F_EVP_CIPHER_CTX_CTRL                        124
1342# define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH              122
1343# define EVP_F_EVP_DECRYPTFINAL_EX                        101
1344# define EVP_F_EVP_DIGESTINIT_EX                          128
1345# define EVP_F_EVP_ENCRYPTFINAL_EX                        127
1346# define EVP_F_EVP_MD_CTX_COPY_EX                         110
1347# define EVP_F_EVP_MD_SIZE                                162
1348# define EVP_F_EVP_OPENINIT                               102
1349# define EVP_F_EVP_PBE_ALG_ADD                            115
1350# define EVP_F_EVP_PBE_ALG_ADD_TYPE                       160
1351# define EVP_F_EVP_PBE_CIPHERINIT                         116
1352# define EVP_F_EVP_PKCS82PKEY                             111
1353# define EVP_F_EVP_PKCS82PKEY_BROKEN                      136
1354# define EVP_F_EVP_PKEY2PKCS8_BROKEN                      113
1355# define EVP_F_EVP_PKEY_COPY_PARAMETERS                   103
1356# define EVP_F_EVP_PKEY_CTX_CTRL                          137
1357# define EVP_F_EVP_PKEY_CTX_CTRL_STR                      150
1358# define EVP_F_EVP_PKEY_CTX_DUP                           156
1359# define EVP_F_EVP_PKEY_DECRYPT                           104
1360# define EVP_F_EVP_PKEY_DECRYPT_INIT                      138
1361# define EVP_F_EVP_PKEY_DECRYPT_OLD                       151
1362# define EVP_F_EVP_PKEY_DERIVE                            153
1363# define EVP_F_EVP_PKEY_DERIVE_INIT                       154
1364# define EVP_F_EVP_PKEY_DERIVE_SET_PEER                   155
1365# define EVP_F_EVP_PKEY_ENCRYPT                           105
1366# define EVP_F_EVP_PKEY_ENCRYPT_INIT                      139
1367# define EVP_F_EVP_PKEY_ENCRYPT_OLD                       152
1368# define EVP_F_EVP_PKEY_GET1_DH                           119
1369# define EVP_F_EVP_PKEY_GET1_DSA                          120
1370# define EVP_F_EVP_PKEY_GET1_ECDSA                        130
1371# define EVP_F_EVP_PKEY_GET1_EC_KEY                       131
1372# define EVP_F_EVP_PKEY_GET1_RSA                          121
1373# define EVP_F_EVP_PKEY_KEYGEN                            146
1374# define EVP_F_EVP_PKEY_KEYGEN_INIT                       147
1375# define EVP_F_EVP_PKEY_NEW                               106
1376# define EVP_F_EVP_PKEY_PARAMGEN                          148
1377# define EVP_F_EVP_PKEY_PARAMGEN_INIT                     149
1378# define EVP_F_EVP_PKEY_SIGN                              140
1379# define EVP_F_EVP_PKEY_SIGN_INIT                         141
1380# define EVP_F_EVP_PKEY_VERIFY                            142
1381# define EVP_F_EVP_PKEY_VERIFY_INIT                       143
1382# define EVP_F_EVP_PKEY_VERIFY_RECOVER                    144
1383# define EVP_F_EVP_PKEY_VERIFY_RECOVER_INIT               145
1384# define EVP_F_EVP_RIJNDAEL                               126
1385# define EVP_F_EVP_SIGNFINAL                              107
1386# define EVP_F_EVP_VERIFYFINAL                            108
1387# define EVP_F_FIPS_CIPHERINIT                            166
1388# define EVP_F_FIPS_CIPHER_CTX_COPY                       170
1389# define EVP_F_FIPS_CIPHER_CTX_CTRL                       167
1390# define EVP_F_FIPS_CIPHER_CTX_SET_KEY_LENGTH             171
1391# define EVP_F_FIPS_DIGESTINIT                            168
1392# define EVP_F_FIPS_MD_CTX_COPY                           169
1393# define EVP_F_HMAC_INIT_EX                               174
1394# define EVP_F_INT_CTX_NEW                                157
1395# define EVP_F_PKCS5_PBE_KEYIVGEN                         117
1396# define EVP_F_PKCS5_V2_PBE_KEYIVGEN                      118
1397# define EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN                   164
1398# define EVP_F_PKCS8_SET_BROKEN                           112
1399# define EVP_F_PKEY_SET_TYPE                              158
1400# define EVP_F_RC2_MAGIC_TO_METH                          109
1401# define EVP_F_RC5_CTRL                                   125
1402
1403/* Reason codes. */
1404# define EVP_R_AES_IV_SETUP_FAILED                        162
1405# define EVP_R_AES_KEY_SETUP_FAILED                       143
1406# define EVP_R_ASN1_LIB                                   140
1407# define EVP_R_BAD_BLOCK_LENGTH                           136
1408# define EVP_R_BAD_DECRYPT                                100
1409# define EVP_R_BAD_KEY_LENGTH                             137
1410# define EVP_R_BN_DECODE_ERROR                            112
1411# define EVP_R_BN_PUBKEY_ERROR                            113
1412# define EVP_R_BUFFER_TOO_SMALL                           155
1413# define EVP_R_CAMELLIA_KEY_SETUP_FAILED                  157
1414# define EVP_R_CIPHER_PARAMETER_ERROR                     122
1415# define EVP_R_COMMAND_NOT_SUPPORTED                      147
1416# define EVP_R_CTRL_NOT_IMPLEMENTED                       132
1417# define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED             133
1418# define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH          138
1419# define EVP_R_DECODE_ERROR                               114
1420# define EVP_R_DIFFERENT_KEY_TYPES                        101
1421# define EVP_R_DIFFERENT_PARAMETERS                       153
1422# define EVP_R_DISABLED_FOR_FIPS                          163
1423# define EVP_R_ENCODE_ERROR                               115
1424# define EVP_R_ERROR_LOADING_SECTION                      165
1425# define EVP_R_ERROR_SETTING_FIPS_MODE                    166
1426# define EVP_R_EVP_PBE_CIPHERINIT_ERROR                   119
1427# define EVP_R_EXPECTING_AN_RSA_KEY                       127
1428# define EVP_R_EXPECTING_A_DH_KEY                         128
1429# define EVP_R_EXPECTING_A_DSA_KEY                        129
1430# define EVP_R_EXPECTING_A_ECDSA_KEY                      141
1431# define EVP_R_EXPECTING_A_EC_KEY                         142
1432# define EVP_R_FIPS_MODE_NOT_SUPPORTED                    167
1433# define EVP_R_INITIALIZATION_ERROR                       134
1434# define EVP_R_INPUT_NOT_INITIALIZED                      111
1435# define EVP_R_INVALID_DIGEST                             152
1436# define EVP_R_INVALID_FIPS_MODE                          168
1437# define EVP_R_INVALID_KEY_LENGTH                         130
1438# define EVP_R_INVALID_OPERATION                          148
1439# define EVP_R_IV_TOO_LARGE                               102
1440# define EVP_R_KEYGEN_FAILURE                             120
1441# define EVP_R_MESSAGE_DIGEST_IS_NULL                     159
1442# define EVP_R_METHOD_NOT_SUPPORTED                       144
1443# define EVP_R_MISSING_PARAMETERS                         103
1444# define EVP_R_NO_CIPHER_SET                              131
1445# define EVP_R_NO_DEFAULT_DIGEST                          158
1446# define EVP_R_NO_DIGEST_SET                              139
1447# define EVP_R_NO_DSA_PARAMETERS                          116
1448# define EVP_R_NO_KEY_SET                                 154
1449# define EVP_R_NO_OPERATION_SET                           149
1450# define EVP_R_NO_SIGN_FUNCTION_CONFIGURED                104
1451# define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED              105
1452# define EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE   150
1453# define EVP_R_OPERATON_NOT_INITIALIZED                   151
1454# define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE                  117
1455# define EVP_R_PRIVATE_KEY_DECODE_ERROR                   145
1456# define EVP_R_PRIVATE_KEY_ENCODE_ERROR                   146
1457# define EVP_R_PUBLIC_KEY_NOT_RSA                         106
1458# define EVP_R_TOO_LARGE                                  164
1459# define EVP_R_UNKNOWN_CIPHER                             160
1460# define EVP_R_UNKNOWN_DIGEST                             161
1461# define EVP_R_UNKNOWN_OPTION                             169
1462# define EVP_R_UNKNOWN_PBE_ALGORITHM                      121
1463# define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS                135
1464# define EVP_R_UNSUPPORTED_ALGORITHM                      156
1465# define EVP_R_UNSUPPORTED_CIPHER                         107
1466# define EVP_R_UNSUPPORTED_KEYLENGTH                      123
1467# define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION        124
1468# define EVP_R_UNSUPPORTED_KEY_SIZE                       108
1469# define EVP_R_UNSUPPORTED_PRF                            125
1470# define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM          118
1471# define EVP_R_UNSUPPORTED_SALT_TYPE                      126
1472# define EVP_R_WRONG_FINAL_BLOCK_LENGTH                   109
1473# define EVP_R_WRONG_PUBLIC_KEY_TYPE                      110
1474
1475#ifdef  __cplusplus
1476}
1477#endif
1478#endif
1479