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
296 int key_len; /* Default value for variable length ciphers */
298 unsigned long flags; /* Various flags */
299 int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key,
300 const unsigned char *iv, int enc); /* init key */
301 int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out,
302 const unsigned char *in, unsigned int inl);/* encrypt/decrypt data */
303 int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */
304 int ctx_size; /* how big ctx->cipher_data needs to be */
305 int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */
306 int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */
307 int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */
308 void *app_data; /* Application data */
311 /* Values for cipher flags */
313 /* Modes for ciphers */
315 #define EVP_CIPH_STREAM_CIPHER 0x0
316 #define EVP_CIPH_ECB_MODE 0x1
317 #define EVP_CIPH_CBC_MODE 0x2
318 #define EVP_CIPH_CFB_MODE 0x3
319 #define EVP_CIPH_OFB_MODE 0x4
320 #define EVP_CIPH_MODE 0x7
321 /* Set if variable length cipher */
322 #define EVP_CIPH_VARIABLE_LENGTH 0x8
323 /* Set if the iv handling should be done by the cipher itself */
324 #define EVP_CIPH_CUSTOM_IV 0x10
325 /* Set if the cipher's init() function should be called if key is NULL */
326 #define EVP_CIPH_ALWAYS_CALL_INIT 0x20
327 /* Call ctrl() to init cipher parameters */
328 #define EVP_CIPH_CTRL_INIT 0x40
329 /* Don't use standard key length function */
330 #define EVP_CIPH_CUSTOM_KEY_LENGTH 0x80
331 /* Don't use standard block padding */
332 #define EVP_CIPH_NO_PADDING 0x100
336 #define EVP_CTRL_INIT 0x0
337 #define EVP_CTRL_SET_KEY_LENGTH 0x1
338 #define EVP_CTRL_GET_RC2_KEY_BITS 0x2
339 #define EVP_CTRL_SET_RC2_KEY_BITS 0x3
340 #define EVP_CTRL_GET_RC5_ROUNDS 0x4
341 #define EVP_CTRL_SET_RC5_ROUNDS 0x5
343 typedef struct evp_cipher_info_st
345 const EVP_CIPHER *cipher;
346 unsigned char iv[EVP_MAX_IV_LENGTH];
349 struct evp_cipher_ctx_st
351 const EVP_CIPHER *cipher;
352 ENGINE *engine; /* functional reference if 'cipher' is ENGINE-provided */
353 int encrypt; /* encrypt or decrypt */
354 int buf_len; /* number we have left */
356 unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
357 unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
358 unsigned char buf[EVP_MAX_BLOCK_LENGTH];/* saved partial block */
359 int num; /* used by cfb/ofb mode */
361 void *app_data; /* application stuff */
362 int key_len; /* May change for variable length cipher */
363 unsigned long flags; /* Various flags */
364 void *cipher_data; /* per EVP data */
367 unsigned char final[EVP_MAX_BLOCK_LENGTH];/* possible final block */
368 } /* EVP_CIPHER_CTX */;
370 typedef struct evp_Encode_Ctx_st
372 int num; /* number saved in a partial encode/decode */
373 int length; /* The length is either the output line length
374 * (in input bytes) or the shortest input line
375 * length that is ok. Once decoding begins,
376 * the length is adjusted up each time a longer
378 unsigned char enc_data[80]; /* data to encode */
379 int line_num; /* number read on current line */
383 /* Password based encryption function */
384 typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
385 ASN1_TYPE *param, const EVP_CIPHER *cipher,
386 const EVP_MD *md, int en_de);
388 #ifndef OPENSSL_NO_RSA
389 #define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
393 #ifndef OPENSSL_NO_DSA
394 #define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
398 #ifndef OPENSSL_NO_DH
399 #define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
403 #ifndef OPENSSL_NO_EC
404 #define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\
408 /* Add some extra combinations */
409 #define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
410 #define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
411 #define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
412 #define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
414 #define EVP_MD_type(e) ((e)->type)
415 #define EVP_MD_nid(e) EVP_MD_type(e)
416 #define EVP_MD_name(e) OBJ_nid2sn(EVP_MD_nid(e))
417 #define EVP_MD_pkey_type(e) ((e)->pkey_type)
418 #define EVP_MD_size(e) ((e)->md_size)
419 #define EVP_MD_block_size(e) ((e)->block_size)
421 #define EVP_MD_CTX_md(e) ((e)->digest)
422 #define EVP_MD_CTX_size(e) EVP_MD_size((e)->digest)
423 #define EVP_MD_CTX_block_size(e) EVP_MD_block_size((e)->digest)
424 #define EVP_MD_CTX_type(e) EVP_MD_type((e)->digest)
426 #define EVP_CIPHER_nid(e) ((e)->nid)
427 #define EVP_CIPHER_name(e) OBJ_nid2sn(EVP_CIPHER_nid(e))
428 #define EVP_CIPHER_block_size(e) ((e)->block_size)
429 #define EVP_CIPHER_key_length(e) ((e)->key_len)
430 #define EVP_CIPHER_iv_length(e) ((e)->iv_len)
431 #define EVP_CIPHER_flags(e) ((e)->flags)
432 #define EVP_CIPHER_mode(e) (((e)->flags) & EVP_CIPH_MODE)
434 #define EVP_CIPHER_CTX_cipher(e) ((e)->cipher)
435 #define EVP_CIPHER_CTX_nid(e) ((e)->cipher->nid)
436 #define EVP_CIPHER_CTX_block_size(e) ((e)->cipher->block_size)
437 #define EVP_CIPHER_CTX_key_length(e) ((e)->key_len)
438 #define EVP_CIPHER_CTX_iv_length(e) ((e)->cipher->iv_len)
439 #define EVP_CIPHER_CTX_get_app_data(e) ((e)->app_data)
440 #define EVP_CIPHER_CTX_set_app_data(e,d) ((e)->app_data=(char *)(d))
441 #define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
442 #define EVP_CIPHER_CTX_flags(e) ((e)->cipher->flags)
443 #define EVP_CIPHER_CTX_mode(e) ((e)->cipher->flags & EVP_CIPH_MODE)
445 #define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80)
446 #define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80)
448 #define EVP_SignInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c)
449 #define EVP_SignInit(a,b) EVP_DigestInit(a,b)
450 #define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
451 #define EVP_VerifyInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c)
452 #define EVP_VerifyInit(a,b) EVP_DigestInit(a,b)
453 #define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
454 #define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e)
455 #define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e)
458 void BIO_set_md(BIO *,const EVP_MD *md);
460 # define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
462 #define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
463 #define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
464 #define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
465 #define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
467 #define EVP_Cipher(c,o,i,l) (c)->cipher->do_cipher((c),(o),(i),(l))
469 #define EVP_add_cipher_alias(n,alias) \
470 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
471 #define EVP_add_digest_alias(n,alias) \
472 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
473 #define EVP_delete_cipher_alias(alias) \
474 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
475 #define EVP_delete_digest_alias(alias) \
476 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
478 void EVP_MD_CTX_init(EVP_MD_CTX *ctx);
479 int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
480 EVP_MD_CTX *EVP_MD_CTX_create(void);
481 void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
482 int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out,const EVP_MD_CTX *in);
483 #define EVP_MD_CTX_set_flags(ctx,flgs) ((ctx)->flags|=(flgs))
484 #define EVP_MD_CTX_clear_flags(ctx,flgs) ((ctx)->flags&=~(flgs))
485 #define EVP_MD_CTX_test_flags(ctx,flgs) ((ctx)->flags&(flgs))
486 int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
487 int EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,
489 int EVP_DigestFinal_ex(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
490 int EVP_Digest(void *data, unsigned int count,
491 unsigned char *md, unsigned int *size, const EVP_MD *type, ENGINE *impl);
493 int EVP_MD_CTX_copy(EVP_MD_CTX *out,const EVP_MD_CTX *in);
494 int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
495 int EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
497 int EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
498 void EVP_set_pw_prompt(char *prompt);
499 char * EVP_get_pw_prompt(void);
501 int EVP_BytesToKey(const EVP_CIPHER *type,const EVP_MD *md,
502 const unsigned char *salt, const unsigned char *data,
503 int datal, int count, unsigned char *key,unsigned char *iv);
505 int EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
506 const unsigned char *key, const unsigned char *iv);
507 int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
508 const unsigned char *key, const unsigned char *iv);
509 int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
510 int *outl, const unsigned char *in, int inl);
511 int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
512 int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
514 int EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
515 const unsigned char *key, const unsigned char *iv);
516 int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
517 const unsigned char *key, const unsigned char *iv);
518 int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
519 int *outl, const unsigned char *in, int inl);
520 int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
521 int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
523 int EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
524 const unsigned char *key,const unsigned char *iv,
526 int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
527 const unsigned char *key,const unsigned char *iv,
529 int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
530 int *outl, const unsigned char *in, int inl);
531 int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
532 int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
534 int EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
537 int EVP_VerifyFinal(EVP_MD_CTX *ctx,unsigned char *sigbuf,
538 unsigned int siglen,EVP_PKEY *pkey);
540 int EVP_OpenInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,unsigned char *ek,
541 int ekl,unsigned char *iv,EVP_PKEY *priv);
542 int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
544 int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, unsigned char **ek,
545 int *ekl, unsigned char *iv,EVP_PKEY **pubk, int npubk);
546 int EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
548 void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
549 void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,
550 int *outl,unsigned char *in,int inl);
551 void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
552 int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
554 void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
555 int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
556 unsigned char *in, int inl);
557 int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
558 char *out, int *outl);
559 int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
561 void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
562 int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
563 int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
564 int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
565 int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
567 #ifndef OPENSSL_NO_BIO
568 BIO_METHOD *BIO_f_md(void);
569 BIO_METHOD *BIO_f_base64(void);
570 BIO_METHOD *BIO_f_cipher(void);
571 BIO_METHOD *BIO_f_reliable(void);
572 void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,unsigned char *k,
573 unsigned char *i, int enc);
576 const EVP_MD *EVP_md_null(void);
577 #ifndef OPENSSL_NO_MD2
578 const EVP_MD *EVP_md2(void);
580 #ifndef OPENSSL_NO_MD4
581 const EVP_MD *EVP_md4(void);
583 #ifndef OPENSSL_NO_MD5
584 const EVP_MD *EVP_md5(void);
586 #ifndef OPENSSL_NO_SHA
587 const EVP_MD *EVP_sha(void);
588 const EVP_MD *EVP_sha1(void);
589 const EVP_MD *EVP_dss(void);
590 const EVP_MD *EVP_dss1(void);
591 const EVP_MD *EVP_ecdsa(void);
593 #ifndef OPENSSL_NO_MDC2
594 const EVP_MD *EVP_mdc2(void);
596 #ifndef OPENSSL_NO_RIPEMD
597 const EVP_MD *EVP_ripemd160(void);
599 const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
600 #ifndef OPENSSL_NO_DES
601 const EVP_CIPHER *EVP_des_ecb(void);
602 const EVP_CIPHER *EVP_des_ede(void);
603 const EVP_CIPHER *EVP_des_ede3(void);
604 const EVP_CIPHER *EVP_des_ede_ecb(void);
605 const EVP_CIPHER *EVP_des_ede3_ecb(void);
606 const EVP_CIPHER *EVP_des_cfb(void);
607 const EVP_CIPHER *EVP_des_ede_cfb(void);
608 const EVP_CIPHER *EVP_des_ede3_cfb(void);
609 const EVP_CIPHER *EVP_des_ofb(void);
610 const EVP_CIPHER *EVP_des_ede_ofb(void);
611 const EVP_CIPHER *EVP_des_ede3_ofb(void);
612 const EVP_CIPHER *EVP_des_cbc(void);
613 const EVP_CIPHER *EVP_des_ede_cbc(void);
614 const EVP_CIPHER *EVP_des_ede3_cbc(void);
615 const EVP_CIPHER *EVP_desx_cbc(void);
616 /* This should now be supported through the dev_crypto ENGINE. But also, why are
617 * rc4 and md5 declarations made here inside a "NO_DES" precompiler branch? */
619 # ifdef OPENSSL_OPENBSD_DEV_CRYPTO
620 const EVP_CIPHER *EVP_dev_crypto_des_ede3_cbc(void);
621 const EVP_CIPHER *EVP_dev_crypto_rc4(void);
622 const EVP_MD *EVP_dev_crypto_md5(void);
626 #ifndef OPENSSL_NO_RC4
627 const EVP_CIPHER *EVP_rc4(void);
628 const EVP_CIPHER *EVP_rc4_40(void);
630 #ifndef OPENSSL_NO_IDEA
631 const EVP_CIPHER *EVP_idea_ecb(void);
632 const EVP_CIPHER *EVP_idea_cfb(void);
633 const EVP_CIPHER *EVP_idea_ofb(void);
634 const EVP_CIPHER *EVP_idea_cbc(void);
636 #ifndef OPENSSL_NO_RC2
637 const EVP_CIPHER *EVP_rc2_ecb(void);
638 const EVP_CIPHER *EVP_rc2_cbc(void);
639 const EVP_CIPHER *EVP_rc2_40_cbc(void);
640 const EVP_CIPHER *EVP_rc2_64_cbc(void);
641 const EVP_CIPHER *EVP_rc2_cfb(void);
642 const EVP_CIPHER *EVP_rc2_ofb(void);
644 #ifndef OPENSSL_NO_BF
645 const EVP_CIPHER *EVP_bf_ecb(void);
646 const EVP_CIPHER *EVP_bf_cbc(void);
647 const EVP_CIPHER *EVP_bf_cfb(void);
648 const EVP_CIPHER *EVP_bf_ofb(void);
650 #ifndef OPENSSL_NO_CAST
651 const EVP_CIPHER *EVP_cast5_ecb(void);
652 const EVP_CIPHER *EVP_cast5_cbc(void);
653 const EVP_CIPHER *EVP_cast5_cfb(void);
654 const EVP_CIPHER *EVP_cast5_ofb(void);
656 #ifndef OPENSSL_NO_RC5
657 const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
658 const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
659 const EVP_CIPHER *EVP_rc5_32_12_16_cfb(void);
660 const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
662 #ifndef OPENSSL_NO_AES
663 const EVP_CIPHER *EVP_aes_128_ecb(void);
664 const EVP_CIPHER *EVP_aes_128_cbc(void);
665 const EVP_CIPHER *EVP_aes_128_cfb(void);
666 const EVP_CIPHER *EVP_aes_128_ofb(void);
668 const EVP_CIPHER *EVP_aes_128_ctr(void);
670 const EVP_CIPHER *EVP_aes_192_ecb(void);
671 const EVP_CIPHER *EVP_aes_192_cbc(void);
672 const EVP_CIPHER *EVP_aes_192_cfb(void);
673 const EVP_CIPHER *EVP_aes_192_ofb(void);
675 const EVP_CIPHER *EVP_aes_192_ctr(void);
677 const EVP_CIPHER *EVP_aes_256_ecb(void);
678 const EVP_CIPHER *EVP_aes_256_cbc(void);
679 const EVP_CIPHER *EVP_aes_256_cfb(void);
680 const EVP_CIPHER *EVP_aes_256_ofb(void);
682 const EVP_CIPHER *EVP_aes_256_ctr(void);
686 void OPENSSL_add_all_algorithms_noconf(void);
687 void OPENSSL_add_all_algorithms_conf(void);
689 #ifdef OPENSSL_LOAD_CONF
690 #define OpenSSL_add_all_algorithms() \
691 OPENSSL_add_all_algorithms_conf()
693 #define OpenSSL_add_all_algorithms() \
694 OPENSSL_add_all_algorithms_noconf()
697 void OpenSSL_add_all_ciphers(void);
698 void OpenSSL_add_all_digests(void);
699 #define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
700 #define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
701 #define SSLeay_add_all_digests() OpenSSL_add_all_digests()
703 int EVP_add_cipher(const EVP_CIPHER *cipher);
704 int EVP_add_digest(const EVP_MD *digest);
706 const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
707 const EVP_MD *EVP_get_digestbyname(const char *name);
708 void EVP_cleanup(void);
710 int EVP_PKEY_decrypt(unsigned char *dec_key,unsigned char *enc_key,
711 int enc_key_len,EVP_PKEY *private_key);
712 int EVP_PKEY_encrypt(unsigned char *enc_key,
713 unsigned char *key,int key_len,EVP_PKEY *pub_key);
714 int EVP_PKEY_type(int type);
715 int EVP_PKEY_bits(EVP_PKEY *pkey);
716 int EVP_PKEY_size(EVP_PKEY *pkey);
717 int EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);
719 #ifndef OPENSSL_NO_RSA
721 int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,struct rsa_st *key);
722 struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
724 #ifndef OPENSSL_NO_DSA
726 int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,struct dsa_st *key);
727 struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
729 #ifndef OPENSSL_NO_DH
731 int EVP_PKEY_set1_DH(EVP_PKEY *pkey,struct dh_st *key);
732 struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
734 #ifndef OPENSSL_NO_EC
736 int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey,struct ec_key_st *key);
737 struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
740 EVP_PKEY * EVP_PKEY_new(void);
741 void EVP_PKEY_free(EVP_PKEY *pkey);
742 EVP_PKEY * d2i_PublicKey(int type,EVP_PKEY **a, unsigned char **pp,
744 int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
746 EVP_PKEY * d2i_PrivateKey(int type,EVP_PKEY **a, unsigned char **pp,
748 EVP_PKEY * d2i_AutoPrivateKey(EVP_PKEY **a, unsigned char **pp,
750 int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
752 int EVP_PKEY_copy_parameters(EVP_PKEY *to,EVP_PKEY *from);
753 int EVP_PKEY_missing_parameters(EVP_PKEY *pkey);
754 int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
755 int EVP_PKEY_cmp_parameters(EVP_PKEY *a,EVP_PKEY *b);
757 int EVP_PKEY_cmp(EVP_PKEY *a,EVP_PKEY *b);
759 int EVP_CIPHER_type(const EVP_CIPHER *ctx);
762 int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
763 int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
765 /* These are used by EVP_CIPHER methods */
766 int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
767 int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
769 /* PKCS5 password based encryption */
770 int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
771 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
773 int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
774 unsigned char *salt, int saltlen, int iter,
775 int keylen, unsigned char *out);
776 int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
777 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
780 void PKCS5_PBE_add(void);
782 int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
783 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
784 int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
785 EVP_PBE_KEYGEN *keygen);
786 void EVP_PBE_cleanup(void);
788 /* BEGIN ERROR CODES */
789 /* The following lines are auto generated by the script mkerr.pl. Any changes
790 * made after this point may be overwritten when the script is next run.
792 void ERR_load_EVP_strings(void);
794 /* Error codes for the EVP functions. */
796 /* Function codes. */
797 #define EVP_F_D2I_PKEY 100
798 #define EVP_F_ECDSA_PKEY2PKCS8 129
799 #define EVP_F_EC_KEY_PKEY2PKCS8 132
800 #define EVP_F_EVP_CIPHERINIT 123
801 #define EVP_F_EVP_CIPHER_CTX_CTRL 124
802 #define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH 122
803 #define EVP_F_EVP_DECRYPTFINAL 101
804 #define EVP_F_EVP_DIGESTINIT 128
805 #define EVP_F_EVP_ENCRYPTFINAL 127
806 #define EVP_F_EVP_MD_CTX_COPY 110
807 #define EVP_F_EVP_OPENINIT 102
808 #define EVP_F_EVP_PBE_ALG_ADD 115
809 #define EVP_F_EVP_PBE_CIPHERINIT 116
810 #define EVP_F_EVP_PKCS82PKEY 111
811 #define EVP_F_EVP_PKCS8_SET_BROKEN 112
812 #define EVP_F_EVP_PKEY2PKCS8 113
813 #define EVP_F_EVP_PKEY_COPY_PARAMETERS 103
814 #define EVP_F_EVP_PKEY_DECRYPT 104
815 #define EVP_F_EVP_PKEY_ENCRYPT 105
816 #define EVP_F_EVP_PKEY_GET1_DH 119
817 #define EVP_F_EVP_PKEY_GET1_DSA 120
818 #define EVP_F_EVP_PKEY_GET1_ECDSA 130
819 #define EVP_F_EVP_PKEY_GET1_EC_KEY 131
820 #define EVP_F_EVP_PKEY_GET1_RSA 121
821 #define EVP_F_EVP_PKEY_NEW 106
822 #define EVP_F_EVP_RIJNDAEL 126
823 #define EVP_F_EVP_SIGNFINAL 107
824 #define EVP_F_EVP_VERIFYFINAL 108
825 #define EVP_F_PKCS5_PBE_KEYIVGEN 117
826 #define EVP_F_PKCS5_V2_PBE_KEYIVGEN 118
827 #define EVP_F_RC2_MAGIC_TO_METH 109
828 #define EVP_F_RC5_CTRL 125
831 #define EVP_R_ASN1_LIB 140
832 #define EVP_R_BAD_BLOCK_LENGTH 136
833 #define EVP_R_BAD_DECRYPT 100
834 #define EVP_R_BAD_KEY_LENGTH 137
835 #define EVP_R_BN_DECODE_ERROR 112
836 #define EVP_R_BN_PUBKEY_ERROR 113
837 #define EVP_R_CIPHER_PARAMETER_ERROR 122
838 #define EVP_R_CTRL_NOT_IMPLEMENTED 132
839 #define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED 133
840 #define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH 138
841 #define EVP_R_DECODE_ERROR 114
842 #define EVP_R_DIFFERENT_KEY_TYPES 101
843 #define EVP_R_ENCODE_ERROR 115
844 #define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119
845 #define EVP_R_EXPECTING_AN_RSA_KEY 127
846 #define EVP_R_EXPECTING_A_DH_KEY 128
847 #define EVP_R_EXPECTING_A_DSA_KEY 129
848 #define EVP_R_EXPECTING_A_ECDSA_KEY 141
849 #define EVP_R_EXPECTING_A_EC_KEY 142
850 #define EVP_R_INITIALIZATION_ERROR 134
851 #define EVP_R_INPUT_NOT_INITIALIZED 111
852 #define EVP_R_INVALID_KEY_LENGTH 130
853 #define EVP_R_IV_TOO_LARGE 102
854 #define EVP_R_KEYGEN_FAILURE 120
855 #define EVP_R_MISSING_PARAMETERS 103
856 #define EVP_R_NO_CIPHER_SET 131
857 #define EVP_R_NO_DIGEST_SET 139
858 #define EVP_R_NO_DSA_PARAMETERS 116
859 #define EVP_R_NO_SIGN_FUNCTION_CONFIGURED 104
860 #define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED 105
861 #define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117
862 #define EVP_R_PUBLIC_KEY_NOT_RSA 106
863 #define EVP_R_UNKNOWN_PBE_ALGORITHM 121
864 #define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS 135
865 #define EVP_R_UNSUPPORTED_CIPHER 107
866 #define EVP_R_UNSUPPORTED_KEYLENGTH 123
867 #define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION 124
868 #define EVP_R_UNSUPPORTED_KEY_SIZE 108
869 #define EVP_R_UNSUPPORTED_PRF 125
870 #define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118
871 #define EVP_R_UNSUPPORTED_SALT_TYPE 126
872 #define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109
873 #define EVP_R_WRONG_PUBLIC_KEY_TYPE 110