2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
59 #ifndef HEADER_ENVELOPE_H
60 #define HEADER_ENVELOPE_H
62 #ifdef OPENSSL_ALGORITHM_DEFINES
63 # include <openssl/opensslconf.h>
65 # define OPENSSL_ALGORITHM_DEFINES
66 # include <openssl/opensslconf.h>
67 # undef OPENSSL_ALGORITHM_DEFINES
70 #include <openssl/ossl_typ.h>
72 #include <openssl/symhacks.h>
74 #ifndef OPENSSL_NO_BIO
75 #include <openssl/bio.h>
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
85 #define EVP_MAX_MD_SIZE (16+20) /* The SSLv3 md5+sha1 type */
86 #define EVP_MAX_KEY_LENGTH 32
87 #define EVP_MAX_IV_LENGTH 16
88 #define EVP_MAX_BLOCK_LENGTH 32
90 #define PKCS5_SALT_LEN 8
91 /* Default PKCS#5 iteration count */
92 #define PKCS5_DEFAULT_ITER 2048
94 #include <openssl/objects.h>
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 */
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
123 /* Type needs to be a bit field
124 * Sub-type needs to be for variations on the method, as in, can it do
125 * arbitrary encryption.... */
133 #ifndef OPENSSL_NO_RSA
134 struct rsa_st *rsa; /* RSA */
136 #ifndef OPENSSL_NO_DSA
137 struct dsa_st *dsa; /* DSA */
139 #ifndef OPENSSL_NO_DH
140 struct dh_st *dh; /* DH */
142 #ifndef OPENSSL_NO_EC
143 struct ec_key_st *eckey;/* ECC */
147 STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
150 #define EVP_PKEY_MO_SIGN 0x0001
151 #define EVP_PKEY_MO_VERIFY 0x0002
152 #define EVP_PKEY_MO_ENCRYPT 0x0004
153 #define EVP_PKEY_MO_DECRYPT 0x0008
156 /* This structure is required to tie the message digest and signing together.
157 * The lookup can be done by md/pkey_method, oid, oid/pkey_method, or
159 * This is required because for various smart-card perform the digest and
160 * signing/verification on-board. To handle this case, the specific
161 * EVP_MD and EVP_PKEY_METHODs need to be closely associated.
162 * When a PKEY is created, it will have a EVP_PKEY_METHOD associated with it.
163 * This can either be software or a token to provide the required low level
166 typedef struct evp_pkey_md_st
170 EVP_PKEY_METHOD *pkey;
173 #define EVP_rsa_md2() \
174 EVP_PKEY_MD_add(NID_md2WithRSAEncryption,\
175 EVP_rsa_pkcs1(),EVP_md2())
176 #define EVP_rsa_md5() \
177 EVP_PKEY_MD_add(NID_md5WithRSAEncryption,\
178 EVP_rsa_pkcs1(),EVP_md5())
179 #define EVP_rsa_sha0() \
180 EVP_PKEY_MD_add(NID_shaWithRSAEncryption,\
181 EVP_rsa_pkcs1(),EVP_sha())
182 #define EVP_rsa_sha1() \
183 EVP_PKEY_MD_add(NID_sha1WithRSAEncryption,\
184 EVP_rsa_pkcs1(),EVP_sha1())
185 #define EVP_rsa_ripemd160() \
186 EVP_PKEY_MD_add(NID_ripemd160WithRSA,\
187 EVP_rsa_pkcs1(),EVP_ripemd160())
188 #define EVP_rsa_mdc2() \
189 EVP_PKEY_MD_add(NID_mdc2WithRSA,\
190 EVP_rsa_octet_string(),EVP_mdc2())
191 #define EVP_dsa_sha() \
192 EVP_PKEY_MD_add(NID_dsaWithSHA,\
194 #define EVP_dsa_sha1() \
195 EVP_PKEY_MD_add(NID_dsaWithSHA1,\
196 EVP_dsa(),EVP_sha1())
198 typedef struct evp_pkey_method_st
202 int type; /* RSA, DSA, an SSLeay specific constant */
203 int oid; /* For the pub-key type */
204 int encrypt_oid; /* pub/priv key encryption */
209 int (*set)(); /* get and/or set the underlying type */
217 int (*set_asn1_parameters)();
218 int (*get_asn1_parameters)();
229 int (*init)(EVP_MD_CTX *ctx);
230 int (*update)(EVP_MD_CTX *ctx,const void *data,unsigned long count);
231 int (*final)(EVP_MD_CTX *ctx,unsigned char *md);
232 int (*copy)(EVP_MD_CTX *to,const EVP_MD_CTX *from);
233 int (*cleanup)(EVP_MD_CTX *ctx);
235 /* FIXME: prototype these some day */
238 int required_pkey_type[5]; /*EVP_PKEY_xxx */
240 int ctx_size; /* how big does the ctx->md_data need to be */
243 #define EVP_MD_FLAG_ONESHOT 0x0001 /* digest can only handle a single
246 #define EVP_PKEY_NULL_method NULL,NULL,{0,0,0,0}
248 #ifndef OPENSSL_NO_DSA
249 #define EVP_PKEY_DSA_method DSA_sign,DSA_verify, \
250 {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
253 #define EVP_PKEY_DSA_method EVP_PKEY_NULL_method
256 #ifndef OPENSSL_NO_ECDSA
257 #define EVP_PKEY_ECDSA_method ECDSA_sign,ECDSA_verify, \
260 #define EVP_PKEY_ECDSA_method EVP_PKEY_NULL_method
263 #ifndef OPENSSL_NO_RSA
264 #define EVP_PKEY_RSA_method RSA_sign,RSA_verify, \
265 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
266 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
267 RSA_sign_ASN1_OCTET_STRING, \
268 RSA_verify_ASN1_OCTET_STRING, \
269 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
271 #define EVP_PKEY_RSA_method EVP_PKEY_NULL_method
272 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method
279 const EVP_MD *digest;
280 ENGINE *engine; /* functional reference if 'digest' is ENGINE-provided */
285 /* values for EVP_MD_CTX flags */
287 #define EVP_MD_CTX_FLAG_ONESHOT 0x0001 /* digest update will be called
289 #define EVP_MD_CTX_FLAG_CLEANED 0x0002 /* context has already been
291 #define EVP_MD_CTX_FLAG_REUSE 0x0004 /* Don't free up ctx->md_data
292 * in EVP_MD_CTX_cleanup */
298 int key_len; /* Default value for variable length ciphers */
300 unsigned long flags; /* Various flags */
301 int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key,
302 const unsigned char *iv, int enc); /* init key */
303 int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out,
304 const unsigned char *in, unsigned int inl);/* encrypt/decrypt data */
305 int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */
306 int ctx_size; /* how big ctx->cipher_data needs to be */
307 int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */
308 int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */
309 int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */
310 void *app_data; /* Application data */
313 /* Values for cipher flags */
315 /* Modes for ciphers */
317 #define EVP_CIPH_STREAM_CIPHER 0x0
318 #define EVP_CIPH_ECB_MODE 0x1
319 #define EVP_CIPH_CBC_MODE 0x2
320 #define EVP_CIPH_CFB_MODE 0x3
321 #define EVP_CIPH_OFB_MODE 0x4
322 #define EVP_CIPH_MODE 0x7
323 /* Set if variable length cipher */
324 #define EVP_CIPH_VARIABLE_LENGTH 0x8
325 /* Set if the iv handling should be done by the cipher itself */
326 #define EVP_CIPH_CUSTOM_IV 0x10
327 /* Set if the cipher's init() function should be called if key is NULL */
328 #define EVP_CIPH_ALWAYS_CALL_INIT 0x20
329 /* Call ctrl() to init cipher parameters */
330 #define EVP_CIPH_CTRL_INIT 0x40
331 /* Don't use standard key length function */
332 #define EVP_CIPH_CUSTOM_KEY_LENGTH 0x80
333 /* Don't use standard block padding */
334 #define EVP_CIPH_NO_PADDING 0x100
338 #define EVP_CTRL_INIT 0x0
339 #define EVP_CTRL_SET_KEY_LENGTH 0x1
340 #define EVP_CTRL_GET_RC2_KEY_BITS 0x2
341 #define EVP_CTRL_SET_RC2_KEY_BITS 0x3
342 #define EVP_CTRL_GET_RC5_ROUNDS 0x4
343 #define EVP_CTRL_SET_RC5_ROUNDS 0x5
345 typedef struct evp_cipher_info_st
347 const EVP_CIPHER *cipher;
348 unsigned char iv[EVP_MAX_IV_LENGTH];
351 struct evp_cipher_ctx_st
353 const EVP_CIPHER *cipher;
354 ENGINE *engine; /* functional reference if 'cipher' is ENGINE-provided */
355 int encrypt; /* encrypt or decrypt */
356 int buf_len; /* number we have left */
358 unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
359 unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
360 unsigned char buf[EVP_MAX_BLOCK_LENGTH];/* saved partial block */
361 int num; /* used by cfb/ofb mode */
363 void *app_data; /* application stuff */
364 int key_len; /* May change for variable length cipher */
365 unsigned long flags; /* Various flags */
366 void *cipher_data; /* per EVP data */
369 unsigned char final[EVP_MAX_BLOCK_LENGTH];/* possible final block */
370 } /* EVP_CIPHER_CTX */;
372 typedef struct evp_Encode_Ctx_st
374 int num; /* number saved in a partial encode/decode */
375 int length; /* The length is either the output line length
376 * (in input bytes) or the shortest input line
377 * length that is ok. Once decoding begins,
378 * the length is adjusted up each time a longer
380 unsigned char enc_data[80]; /* data to encode */
381 int line_num; /* number read on current line */
385 /* Password based encryption function */
386 typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
387 ASN1_TYPE *param, const EVP_CIPHER *cipher,
388 const EVP_MD *md, int en_de);
390 #ifndef OPENSSL_NO_RSA
391 #define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
395 #ifndef OPENSSL_NO_DSA
396 #define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
400 #ifndef OPENSSL_NO_DH
401 #define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
405 #ifndef OPENSSL_NO_EC
406 #define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\
410 /* Add some extra combinations */
411 #define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
412 #define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
413 #define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
414 #define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
416 #define EVP_MD_type(e) ((e)->type)
417 #define EVP_MD_nid(e) EVP_MD_type(e)
418 #define EVP_MD_name(e) OBJ_nid2sn(EVP_MD_nid(e))
419 #define EVP_MD_pkey_type(e) ((e)->pkey_type)
420 #define EVP_MD_size(e) ((e)->md_size)
421 #define EVP_MD_block_size(e) ((e)->block_size)
423 #define EVP_MD_CTX_md(e) ((e)->digest)
424 #define EVP_MD_CTX_size(e) EVP_MD_size((e)->digest)
425 #define EVP_MD_CTX_block_size(e) EVP_MD_block_size((e)->digest)
426 #define EVP_MD_CTX_type(e) EVP_MD_type((e)->digest)
428 #define EVP_CIPHER_nid(e) ((e)->nid)
429 #define EVP_CIPHER_name(e) OBJ_nid2sn(EVP_CIPHER_nid(e))
430 #define EVP_CIPHER_block_size(e) ((e)->block_size)
431 #define EVP_CIPHER_key_length(e) ((e)->key_len)
432 #define EVP_CIPHER_iv_length(e) ((e)->iv_len)
433 #define EVP_CIPHER_flags(e) ((e)->flags)
434 #define EVP_CIPHER_mode(e) (((e)->flags) & EVP_CIPH_MODE)
436 #define EVP_CIPHER_CTX_cipher(e) ((e)->cipher)
437 #define EVP_CIPHER_CTX_nid(e) ((e)->cipher->nid)
438 #define EVP_CIPHER_CTX_block_size(e) ((e)->cipher->block_size)
439 #define EVP_CIPHER_CTX_key_length(e) ((e)->key_len)
440 #define EVP_CIPHER_CTX_iv_length(e) ((e)->cipher->iv_len)
441 #define EVP_CIPHER_CTX_get_app_data(e) ((e)->app_data)
442 #define EVP_CIPHER_CTX_set_app_data(e,d) ((e)->app_data=(char *)(d))
443 #define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
444 #define EVP_CIPHER_CTX_flags(e) ((e)->cipher->flags)
445 #define EVP_CIPHER_CTX_mode(e) ((e)->cipher->flags & EVP_CIPH_MODE)
447 #define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80)
448 #define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80)
450 #define EVP_SignInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c)
451 #define EVP_SignInit(a,b) EVP_DigestInit(a,b)
452 #define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
453 #define EVP_VerifyInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c)
454 #define EVP_VerifyInit(a,b) EVP_DigestInit(a,b)
455 #define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
456 #define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e)
457 #define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e)
460 void BIO_set_md(BIO *,const EVP_MD *md);
462 # define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
464 #define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
465 #define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
466 #define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
467 #define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
469 #define EVP_Cipher(c,o,i,l) (c)->cipher->do_cipher((c),(o),(i),(l))
471 #define EVP_add_cipher_alias(n,alias) \
472 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
473 #define EVP_add_digest_alias(n,alias) \
474 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
475 #define EVP_delete_cipher_alias(alias) \
476 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
477 #define EVP_delete_digest_alias(alias) \
478 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
480 void EVP_MD_CTX_init(EVP_MD_CTX *ctx);
481 int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
482 EVP_MD_CTX *EVP_MD_CTX_create(void);
483 void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
484 int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out,const EVP_MD_CTX *in);
485 #define EVP_MD_CTX_set_flags(ctx,flgs) ((ctx)->flags|=(flgs))
486 #define EVP_MD_CTX_clear_flags(ctx,flgs) ((ctx)->flags&=~(flgs))
487 #define EVP_MD_CTX_test_flags(ctx,flgs) ((ctx)->flags&(flgs))
488 int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
489 int EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,
491 int EVP_DigestFinal_ex(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
492 int EVP_Digest(void *data, unsigned int count,
493 unsigned char *md, unsigned int *size, const EVP_MD *type, ENGINE *impl);
495 int EVP_MD_CTX_copy(EVP_MD_CTX *out,const EVP_MD_CTX *in);
496 int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
497 int EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
499 int EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
500 void EVP_set_pw_prompt(char *prompt);
501 char * EVP_get_pw_prompt(void);
503 int EVP_BytesToKey(const EVP_CIPHER *type,const EVP_MD *md,
504 const unsigned char *salt, const unsigned char *data,
505 int datal, int count, unsigned char *key,unsigned char *iv);
507 int EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
508 const unsigned char *key, const unsigned char *iv);
509 int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
510 const unsigned char *key, const unsigned char *iv);
511 int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
512 int *outl, const unsigned char *in, int inl);
513 int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
514 int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
516 int EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
517 const unsigned char *key, const unsigned char *iv);
518 int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
519 const unsigned char *key, const unsigned char *iv);
520 int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
521 int *outl, const unsigned char *in, int inl);
522 int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
523 int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
525 int EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
526 const unsigned char *key,const unsigned char *iv,
528 int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
529 const unsigned char *key,const unsigned char *iv,
531 int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
532 int *outl, const unsigned char *in, int inl);
533 int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
534 int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
536 int EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
539 int EVP_VerifyFinal(EVP_MD_CTX *ctx,unsigned char *sigbuf,
540 unsigned int siglen,EVP_PKEY *pkey);
542 int EVP_OpenInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,unsigned char *ek,
543 int ekl,unsigned char *iv,EVP_PKEY *priv);
544 int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
546 int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, unsigned char **ek,
547 int *ekl, unsigned char *iv,EVP_PKEY **pubk, int npubk);
548 int EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
550 void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
551 void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,
552 int *outl,unsigned char *in,int inl);
553 void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
554 int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
556 void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
557 int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
558 unsigned char *in, int inl);
559 int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
560 char *out, int *outl);
561 int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
563 void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
564 int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
565 int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
566 int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
567 int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
569 #ifndef OPENSSL_NO_BIO
570 BIO_METHOD *BIO_f_md(void);
571 BIO_METHOD *BIO_f_base64(void);
572 BIO_METHOD *BIO_f_cipher(void);
573 BIO_METHOD *BIO_f_reliable(void);
574 void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,unsigned char *k,
575 unsigned char *i, int enc);
578 const EVP_MD *EVP_md_null(void);
579 #ifndef OPENSSL_NO_MD2
580 const EVP_MD *EVP_md2(void);
582 #ifndef OPENSSL_NO_MD4
583 const EVP_MD *EVP_md4(void);
585 #ifndef OPENSSL_NO_MD5
586 const EVP_MD *EVP_md5(void);
588 #ifndef OPENSSL_NO_SHA
589 const EVP_MD *EVP_sha(void);
590 const EVP_MD *EVP_sha1(void);
591 const EVP_MD *EVP_dss(void);
592 const EVP_MD *EVP_dss1(void);
593 const EVP_MD *EVP_ecdsa(void);
595 #ifndef OPENSSL_NO_MDC2
596 const EVP_MD *EVP_mdc2(void);
598 #ifndef OPENSSL_NO_RIPEMD
599 const EVP_MD *EVP_ripemd160(void);
601 const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
602 #ifndef OPENSSL_NO_DES
603 const EVP_CIPHER *EVP_des_ecb(void);
604 const EVP_CIPHER *EVP_des_ede(void);
605 const EVP_CIPHER *EVP_des_ede3(void);
606 const EVP_CIPHER *EVP_des_ede_ecb(void);
607 const EVP_CIPHER *EVP_des_ede3_ecb(void);
608 const EVP_CIPHER *EVP_des_cfb64(void);
609 # define EVP_des_cfb EVP_des_cfb64
610 const EVP_CIPHER *EVP_des_cfb1(void);
611 const EVP_CIPHER *EVP_des_cfb8(void);
612 const EVP_CIPHER *EVP_des_ede_cfb64(void);
613 # define EVP_des_ede_cfb EVP_des_ede_cfb64
615 const EVP_CIPHER *EVP_des_ede_cfb1(void);
616 const EVP_CIPHER *EVP_des_ede_cfb8(void);
618 const EVP_CIPHER *EVP_des_ede3_cfb64(void);
619 # define EVP_des_ede3_cfb EVP_des_ede3_cfb64
620 const EVP_CIPHER *EVP_des_ede3_cfb1(void);
621 const EVP_CIPHER *EVP_des_ede3_cfb8(void);
622 const EVP_CIPHER *EVP_des_ofb(void);
623 const EVP_CIPHER *EVP_des_ede_ofb(void);
624 const EVP_CIPHER *EVP_des_ede3_ofb(void);
625 const EVP_CIPHER *EVP_des_cbc(void);
626 const EVP_CIPHER *EVP_des_ede_cbc(void);
627 const EVP_CIPHER *EVP_des_ede3_cbc(void);
628 const EVP_CIPHER *EVP_desx_cbc(void);
629 /* This should now be supported through the dev_crypto ENGINE. But also, why are
630 * rc4 and md5 declarations made here inside a "NO_DES" precompiler branch? */
632 # ifdef OPENSSL_OPENBSD_DEV_CRYPTO
633 const EVP_CIPHER *EVP_dev_crypto_des_ede3_cbc(void);
634 const EVP_CIPHER *EVP_dev_crypto_rc4(void);
635 const EVP_MD *EVP_dev_crypto_md5(void);
639 #ifndef OPENSSL_NO_RC4
640 const EVP_CIPHER *EVP_rc4(void);
641 const EVP_CIPHER *EVP_rc4_40(void);
643 #ifndef OPENSSL_NO_IDEA
644 const EVP_CIPHER *EVP_idea_ecb(void);
645 const EVP_CIPHER *EVP_idea_cfb64(void);
646 # define EVP_idea_cfb EVP_idea_cfb64
647 const EVP_CIPHER *EVP_idea_ofb(void);
648 const EVP_CIPHER *EVP_idea_cbc(void);
650 #ifndef OPENSSL_NO_RC2
651 const EVP_CIPHER *EVP_rc2_ecb(void);
652 const EVP_CIPHER *EVP_rc2_cbc(void);
653 const EVP_CIPHER *EVP_rc2_40_cbc(void);
654 const EVP_CIPHER *EVP_rc2_64_cbc(void);
655 const EVP_CIPHER *EVP_rc2_cfb64(void);
656 # define EVP_rc2_cfb EVP_rc2_cfb64
657 const EVP_CIPHER *EVP_rc2_ofb(void);
659 #ifndef OPENSSL_NO_BF
660 const EVP_CIPHER *EVP_bf_ecb(void);
661 const EVP_CIPHER *EVP_bf_cbc(void);
662 const EVP_CIPHER *EVP_bf_cfb64(void);
663 # define EVP_bf_cfb EVP_bf_cfb64
664 const EVP_CIPHER *EVP_bf_ofb(void);
666 #ifndef OPENSSL_NO_CAST
667 const EVP_CIPHER *EVP_cast5_ecb(void);
668 const EVP_CIPHER *EVP_cast5_cbc(void);
669 const EVP_CIPHER *EVP_cast5_cfb64(void);
670 # define EVP_cast5_cfb EVP_cast5_cfb64
671 const EVP_CIPHER *EVP_cast5_ofb(void);
673 #ifndef OPENSSL_NO_RC5
674 const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
675 const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
676 const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void);
677 # define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64
678 const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
680 #ifndef OPENSSL_NO_AES
681 const EVP_CIPHER *EVP_aes_128_ecb(void);
682 const EVP_CIPHER *EVP_aes_128_cbc(void);
683 const EVP_CIPHER *EVP_aes_128_cfb1(void);
684 const EVP_CIPHER *EVP_aes_128_cfb8(void);
685 const EVP_CIPHER *EVP_aes_128_cfb128(void);
686 # define EVP_aes_128_cfb EVP_aes_128_cfb128
687 const EVP_CIPHER *EVP_aes_128_ofb(void);
689 const EVP_CIPHER *EVP_aes_128_ctr(void);
691 const EVP_CIPHER *EVP_aes_192_ecb(void);
692 const EVP_CIPHER *EVP_aes_192_cbc(void);
693 const EVP_CIPHER *EVP_aes_192_cfb1(void);
694 const EVP_CIPHER *EVP_aes_192_cfb8(void);
695 const EVP_CIPHER *EVP_aes_192_cfb128(void);
696 # define EVP_aes_192_cfb EVP_aes_192_cfb128
697 const EVP_CIPHER *EVP_aes_192_ofb(void);
699 const EVP_CIPHER *EVP_aes_192_ctr(void);
701 const EVP_CIPHER *EVP_aes_256_ecb(void);
702 const EVP_CIPHER *EVP_aes_256_cbc(void);
703 const EVP_CIPHER *EVP_aes_256_cfb1(void);
704 const EVP_CIPHER *EVP_aes_256_cfb8(void);
705 const EVP_CIPHER *EVP_aes_256_cfb128(void);
706 # define EVP_aes_256_cfb EVP_aes_256_cfb128
707 const EVP_CIPHER *EVP_aes_256_ofb(void);
709 const EVP_CIPHER *EVP_aes_256_ctr(void);
713 void OPENSSL_add_all_algorithms_noconf(void);
714 void OPENSSL_add_all_algorithms_conf(void);
716 #ifdef OPENSSL_LOAD_CONF
717 #define OpenSSL_add_all_algorithms() \
718 OPENSSL_add_all_algorithms_conf()
720 #define OpenSSL_add_all_algorithms() \
721 OPENSSL_add_all_algorithms_noconf()
724 void OpenSSL_add_all_ciphers(void);
725 void OpenSSL_add_all_digests(void);
726 #define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
727 #define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
728 #define SSLeay_add_all_digests() OpenSSL_add_all_digests()
730 int EVP_add_cipher(const EVP_CIPHER *cipher);
731 int EVP_add_digest(const EVP_MD *digest);
733 const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
734 const EVP_MD *EVP_get_digestbyname(const char *name);
735 void EVP_cleanup(void);
737 int EVP_PKEY_decrypt(unsigned char *dec_key,unsigned char *enc_key,
738 int enc_key_len,EVP_PKEY *private_key);
739 int EVP_PKEY_encrypt(unsigned char *enc_key,
740 unsigned char *key,int key_len,EVP_PKEY *pub_key);
741 int EVP_PKEY_type(int type);
742 int EVP_PKEY_bits(EVP_PKEY *pkey);
743 int EVP_PKEY_size(EVP_PKEY *pkey);
744 int EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);
746 #ifndef OPENSSL_NO_RSA
748 int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,struct rsa_st *key);
749 struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
751 #ifndef OPENSSL_NO_DSA
753 int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,struct dsa_st *key);
754 struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
756 #ifndef OPENSSL_NO_DH
758 int EVP_PKEY_set1_DH(EVP_PKEY *pkey,struct dh_st *key);
759 struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
761 #ifndef OPENSSL_NO_EC
763 int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey,struct ec_key_st *key);
764 struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
767 EVP_PKEY * EVP_PKEY_new(void);
768 void EVP_PKEY_free(EVP_PKEY *pkey);
769 EVP_PKEY * d2i_PublicKey(int type,EVP_PKEY **a, unsigned char **pp,
771 int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
773 EVP_PKEY * d2i_PrivateKey(int type,EVP_PKEY **a, unsigned char **pp,
775 EVP_PKEY * d2i_AutoPrivateKey(EVP_PKEY **a, unsigned char **pp,
777 int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
779 int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
780 int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
781 int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
782 int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);
784 int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);
786 int EVP_CIPHER_type(const EVP_CIPHER *ctx);
789 int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
790 int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
792 /* These are used by EVP_CIPHER methods */
793 int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
794 int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
796 /* PKCS5 password based encryption */
797 int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
798 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
800 int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
801 unsigned char *salt, int saltlen, int iter,
802 int keylen, unsigned char *out);
803 int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
804 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
807 void PKCS5_PBE_add(void);
809 int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
810 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
811 int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
812 EVP_PBE_KEYGEN *keygen);
813 void EVP_PBE_cleanup(void);
815 /* BEGIN ERROR CODES */
816 /* The following lines are auto generated by the script mkerr.pl. Any changes
817 * made after this point may be overwritten when the script is next run.
819 void ERR_load_EVP_strings(void);
821 /* Error codes for the EVP functions. */
823 /* Function codes. */
824 #define EVP_F_AES_INIT_KEY 133
825 #define EVP_F_D2I_PKEY 100
826 #define EVP_F_ECDSA_PKEY2PKCS8 129
827 #define EVP_F_EC_KEY_PKEY2PKCS8 132
828 #define EVP_F_EVP_CIPHERINIT 123
829 #define EVP_F_EVP_CIPHER_CTX_CTRL 124
830 #define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH 122
831 #define EVP_F_EVP_DECRYPTFINAL 101
832 #define EVP_F_EVP_DIGESTINIT 128
833 #define EVP_F_EVP_ENCRYPTFINAL 127
834 #define EVP_F_EVP_MD_CTX_COPY 110
835 #define EVP_F_EVP_OPENINIT 102
836 #define EVP_F_EVP_PBE_ALG_ADD 115
837 #define EVP_F_EVP_PBE_CIPHERINIT 116
838 #define EVP_F_EVP_PKCS82PKEY 111
839 #define EVP_F_EVP_PKCS8_SET_BROKEN 112
840 #define EVP_F_EVP_PKEY2PKCS8 113
841 #define EVP_F_EVP_PKEY_COPY_PARAMETERS 103
842 #define EVP_F_EVP_PKEY_DECRYPT 104
843 #define EVP_F_EVP_PKEY_ENCRYPT 105
844 #define EVP_F_EVP_PKEY_GET1_DH 119
845 #define EVP_F_EVP_PKEY_GET1_DSA 120
846 #define EVP_F_EVP_PKEY_GET1_ECDSA 130
847 #define EVP_F_EVP_PKEY_GET1_EC_KEY 131
848 #define EVP_F_EVP_PKEY_GET1_RSA 121
849 #define EVP_F_EVP_PKEY_NEW 106
850 #define EVP_F_EVP_RIJNDAEL 126
851 #define EVP_F_EVP_SIGNFINAL 107
852 #define EVP_F_EVP_VERIFYFINAL 108
853 #define EVP_F_PKCS5_PBE_KEYIVGEN 117
854 #define EVP_F_PKCS5_V2_PBE_KEYIVGEN 118
855 #define EVP_F_RC2_MAGIC_TO_METH 109
856 #define EVP_F_RC5_CTRL 125
859 #define EVP_R_AES_KEY_SETUP_FAILED 143
860 #define EVP_R_ASN1_LIB 140
861 #define EVP_R_BAD_BLOCK_LENGTH 136
862 #define EVP_R_BAD_DECRYPT 100
863 #define EVP_R_BAD_KEY_LENGTH 137
864 #define EVP_R_BN_DECODE_ERROR 112
865 #define EVP_R_BN_PUBKEY_ERROR 113
866 #define EVP_R_CIPHER_PARAMETER_ERROR 122
867 #define EVP_R_CTRL_NOT_IMPLEMENTED 132
868 #define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED 133
869 #define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH 138
870 #define EVP_R_DECODE_ERROR 114
871 #define EVP_R_DIFFERENT_KEY_TYPES 101
872 #define EVP_R_ENCODE_ERROR 115
873 #define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119
874 #define EVP_R_EXPECTING_AN_RSA_KEY 127
875 #define EVP_R_EXPECTING_A_DH_KEY 128
876 #define EVP_R_EXPECTING_A_DSA_KEY 129
877 #define EVP_R_EXPECTING_A_ECDSA_KEY 141
878 #define EVP_R_EXPECTING_A_EC_KEY 142
879 #define EVP_R_INITIALIZATION_ERROR 134
880 #define EVP_R_INPUT_NOT_INITIALIZED 111
881 #define EVP_R_INVALID_KEY_LENGTH 130
882 #define EVP_R_IV_TOO_LARGE 102
883 #define EVP_R_KEYGEN_FAILURE 120
884 #define EVP_R_MISSING_PARAMETERS 103
885 #define EVP_R_NO_CIPHER_SET 131
886 #define EVP_R_NO_DIGEST_SET 139
887 #define EVP_R_NO_DSA_PARAMETERS 116
888 #define EVP_R_NO_SIGN_FUNCTION_CONFIGURED 104
889 #define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED 105
890 #define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117
891 #define EVP_R_PUBLIC_KEY_NOT_RSA 106
892 #define EVP_R_UNKNOWN_PBE_ALGORITHM 121
893 #define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS 135
894 #define EVP_R_UNSUPPORTED_CIPHER 107
895 #define EVP_R_UNSUPPORTED_KEYLENGTH 123
896 #define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION 124
897 #define EVP_R_UNSUPPORTED_KEY_SIZE 108
898 #define EVP_R_UNSUPPORTED_PRF 125
899 #define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118
900 #define EVP_R_UNSUPPORTED_SALT_TYPE 126
901 #define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109
902 #define EVP_R_WRONG_PUBLIC_KEY_TYPE 110