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/types.h>
72 #ifndef OPENSSL_NO_BIO
73 #include <openssl/bio.h>
77 #define EVP_RC2_KEY_SIZE 16
78 #define EVP_RC4_KEY_SIZE 16
79 #define EVP_BLOWFISH_KEY_SIZE 16
80 #define EVP_CAST5_KEY_SIZE 16
81 #define EVP_RC5_32_12_16_KEY_SIZE 16
83 #define EVP_MAX_MD_SIZE (16+20) /* The SSLv3 md5+sha1 type */
84 #define EVP_MAX_KEY_LENGTH 32
85 #define EVP_MAX_IV_LENGTH 16
86 #define EVP_MAX_BLOCK_LENGTH 32
88 #define PKCS5_SALT_LEN 8
89 /* Default PKCS#5 iteration count */
90 #define PKCS5_DEFAULT_ITER 2048
92 #include <openssl/objects.h>
94 #define EVP_PK_RSA 0x0001
95 #define EVP_PK_DSA 0x0002
96 #define EVP_PK_DH 0x0004
97 #define EVP_PKT_SIGN 0x0010
98 #define EVP_PKT_ENC 0x0020
99 #define EVP_PKT_EXCH 0x0040
100 #define EVP_PKS_RSA 0x0100
101 #define EVP_PKS_DSA 0x0200
102 #define EVP_PKT_EXP 0x1000 /* <= 512 bit key */
104 #define EVP_PKEY_NONE NID_undef
105 #define EVP_PKEY_RSA NID_rsaEncryption
106 #define EVP_PKEY_RSA2 NID_rsa
107 #define EVP_PKEY_DSA NID_dsa
108 #define EVP_PKEY_DSA1 NID_dsa_2
109 #define EVP_PKEY_DSA2 NID_dsaWithSHA
110 #define EVP_PKEY_DSA3 NID_dsaWithSHA1
111 #define EVP_PKEY_DSA4 NID_dsaWithSHA1_2
112 #define EVP_PKEY_DH NID_dhKeyAgreement
118 /* Type needs to be a bit field
119 * Sub-type needs to be for variations on the method, as in, can it do
120 * arbitrary encryption.... */
128 #ifndef OPENSSL_NO_RSA
129 struct rsa_st *rsa; /* RSA */
131 #ifndef OPENSSL_NO_DSA
132 struct dsa_st *dsa; /* DSA */
134 #ifndef OPENSSL_NO_DH
135 struct dh_st *dh; /* DH */
139 STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
142 #define EVP_PKEY_MO_SIGN 0x0001
143 #define EVP_PKEY_MO_VERIFY 0x0002
144 #define EVP_PKEY_MO_ENCRYPT 0x0004
145 #define EVP_PKEY_MO_DECRYPT 0x0008
148 /* This structure is required to tie the message digest and signing together.
149 * The lookup can be done by md/pkey_method, oid, oid/pkey_method, or
151 * This is required because for various smart-card perform the digest and
152 * signing/verification on-board. To handle this case, the specific
153 * EVP_MD and EVP_PKEY_METHODs need to be closely associated.
154 * When a PKEY is created, it will have a EVP_PKEY_METHOD associated with it.
155 * This can either be software or a token to provide the required low level
158 typedef struct evp_pkey_md_st
162 EVP_PKEY_METHOD *pkey;
165 #define EVP_rsa_md2() \
166 EVP_PKEY_MD_add(NID_md2WithRSAEncryption,\
167 EVP_rsa_pkcs1(),EVP_md2())
168 #define EVP_rsa_md5() \
169 EVP_PKEY_MD_add(NID_md5WithRSAEncryption,\
170 EVP_rsa_pkcs1(),EVP_md5())
171 #define EVP_rsa_sha0() \
172 EVP_PKEY_MD_add(NID_shaWithRSAEncryption,\
173 EVP_rsa_pkcs1(),EVP_sha())
174 #define EVP_rsa_sha1() \
175 EVP_PKEY_MD_add(NID_sha1WithRSAEncryption,\
176 EVP_rsa_pkcs1(),EVP_sha1())
177 #define EVP_rsa_ripemd160() \
178 EVP_PKEY_MD_add(NID_ripemd160WithRSA,\
179 EVP_rsa_pkcs1(),EVP_ripemd160())
180 #define EVP_rsa_mdc2() \
181 EVP_PKEY_MD_add(NID_mdc2WithRSA,\
182 EVP_rsa_octet_string(),EVP_mdc2())
183 #define EVP_dsa_sha() \
184 EVP_PKEY_MD_add(NID_dsaWithSHA,\
185 EVP_dsa(),EVP_mdc2())
186 #define EVP_dsa_sha1() \
187 EVP_PKEY_MD_add(NID_dsaWithSHA1,\
188 EVP_dsa(),EVP_sha1())
190 typedef struct evp_pkey_method_st
194 int type; /* RSA, DSA, an SSLeay specific constant */
195 int oid; /* For the pub-key type */
196 int encrypt_oid; /* pub/priv key encryption */
201 int (*set)(); /* get and/or set the underlying type */
209 int (*set_asn1_parameters)();
210 int (*get_asn1_parameters)();
221 int (*init)(EVP_MD_CTX *ctx);
222 int (*update)(EVP_MD_CTX *ctx,const void *data,unsigned long count);
223 int (*final)(EVP_MD_CTX *ctx,unsigned char *md);
224 int (*copy)(EVP_MD_CTX *to,const EVP_MD_CTX *from);
226 /* FIXME: prototype these some day */
229 int required_pkey_type[5]; /*EVP_PKEY_xxx */
231 int ctx_size; /* how big does the ctx->md_data need to be */
234 #define EVP_MD_FLAG_ONESHOT 0x0001 /* digest can only handle a single
237 #define EVP_PKEY_NULL_method NULL,NULL,{0,0,0,0}
239 #ifndef OPENSSL_NO_DSA
240 #define EVP_PKEY_DSA_method DSA_sign,DSA_verify, \
241 {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
244 #define EVP_PKEY_DSA_method EVP_PKEY_NULL_method
247 #ifndef OPENSSL_NO_RSA
248 #define EVP_PKEY_RSA_method RSA_sign,RSA_verify, \
249 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
250 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
251 RSA_sign_ASN1_OCTET_STRING, \
252 RSA_verify_ASN1_OCTET_STRING, \
253 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
255 #define EVP_PKEY_RSA_method EVP_PKEY_NULL_method
256 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method
263 const EVP_MD *digest;
268 /* values for EVP_MD_CTX flags */
270 #define EVP_MD_CTX_FLAG_ONESHOT 0x0001 /* digest update will be called
277 int key_len; /* Default value for variable length ciphers */
279 unsigned long flags; /* Various flags */
280 int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key,
281 const unsigned char *iv, int enc); /* init key */
282 int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out,
283 const unsigned char *in, unsigned int inl);/* encrypt/decrypt data */
284 int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */
285 int ctx_size; /* how big ctx->cipher_data needs to be */
286 int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */
287 int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */
288 int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */
289 void *app_data; /* Application data */
292 /* Values for cipher flags */
294 /* Modes for ciphers */
296 #define EVP_CIPH_STREAM_CIPHER 0x0
297 #define EVP_CIPH_ECB_MODE 0x1
298 #define EVP_CIPH_CBC_MODE 0x2
299 #define EVP_CIPH_CFB_MODE 0x3
300 #define EVP_CIPH_OFB_MODE 0x4
301 #define EVP_CIPH_MODE 0x7
302 /* Set if variable length cipher */
303 #define EVP_CIPH_VARIABLE_LENGTH 0x8
304 /* Set if the iv handling should be done by the cipher itself */
305 #define EVP_CIPH_CUSTOM_IV 0x10
306 /* Set if the cipher's init() function should be called if key is NULL */
307 #define EVP_CIPH_ALWAYS_CALL_INIT 0x20
308 /* Call ctrl() to init cipher parameters */
309 #define EVP_CIPH_CTRL_INIT 0x40
310 /* Don't use standard key length function */
311 #define EVP_CIPH_CUSTOM_KEY_LENGTH 0x80
312 /* Don't use standard block padding */
313 #define EVP_CIPH_NO_PADDING 0x100
317 #define EVP_CTRL_INIT 0x0
318 #define EVP_CTRL_SET_KEY_LENGTH 0x1
319 #define EVP_CTRL_GET_RC2_KEY_BITS 0x2
320 #define EVP_CTRL_SET_RC2_KEY_BITS 0x3
321 #define EVP_CTRL_GET_RC5_ROUNDS 0x4
322 #define EVP_CTRL_SET_RC5_ROUNDS 0x5
324 typedef struct evp_cipher_info_st
326 const EVP_CIPHER *cipher;
327 unsigned char iv[EVP_MAX_IV_LENGTH];
330 struct evp_cipher_ctx_st
332 const EVP_CIPHER *cipher;
333 int encrypt; /* encrypt or decrypt */
334 int buf_len; /* number we have left */
336 unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
337 unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
338 unsigned char buf[EVP_MAX_BLOCK_LENGTH];/* saved partial block */
339 int num; /* used by cfb/ofb mode */
341 void *app_data; /* application stuff */
342 int key_len; /* May change for variable length cipher */
343 unsigned long flags; /* Various flags */
344 void *cipher_data; /* per EVP data */
347 unsigned char final[EVP_MAX_BLOCK_LENGTH];/* possible final block */
348 } /* EVP_CIPHER_CTX */;
350 typedef struct evp_Encode_Ctx_st
352 int num; /* number saved in a partial encode/decode */
353 int length; /* The length is either the output line length
354 * (in input bytes) or the shortest input line
355 * length that is ok. Once decoding begins,
356 * the length is adjusted up each time a longer
358 unsigned char enc_data[80]; /* data to encode */
359 int line_num; /* number read on current line */
363 /* Password based encryption function */
364 typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
365 ASN1_TYPE *param, const EVP_CIPHER *cipher,
366 const EVP_MD *md, int en_de);
368 #ifndef OPENSSL_NO_RSA
369 #define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
373 #ifndef OPENSSL_NO_DSA
374 #define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
378 #ifndef OPENSSL_NO_DH
379 #define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
383 /* Add some extra combinations */
384 #define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
385 #define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
386 #define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
387 #define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
389 #define EVP_MD_type(e) ((e)->type)
390 #define EVP_MD_nid(e) EVP_MD_type(e)
391 #define EVP_MD_name(e) OBJ_nid2sn(EVP_MD_nid(e))
392 #define EVP_MD_pkey_type(e) ((e)->pkey_type)
393 #define EVP_MD_size(e) ((e)->md_size)
394 #define EVP_MD_block_size(e) ((e)->block_size)
396 #define EVP_MD_CTX_md(e) ((e)->digest)
397 #define EVP_MD_CTX_size(e) EVP_MD_size((e)->digest)
398 #define EVP_MD_CTX_block_size(e) EVP_MD_block_size((e)->digest)
399 #define EVP_MD_CTX_type(e) EVP_MD_type((e)->digest)
401 #define EVP_CIPHER_nid(e) ((e)->nid)
402 #define EVP_CIPHER_name(e) OBJ_nid2sn(EVP_CIPHER_nid(e))
403 #define EVP_CIPHER_block_size(e) ((e)->block_size)
404 #define EVP_CIPHER_key_length(e) ((e)->key_len)
405 #define EVP_CIPHER_iv_length(e) ((e)->iv_len)
406 #define EVP_CIPHER_flags(e) ((e)->flags)
407 #define EVP_CIPHER_mode(e) ((e)->flags) & EVP_CIPH_MODE)
409 #define EVP_CIPHER_CTX_cipher(e) ((e)->cipher)
410 #define EVP_CIPHER_CTX_nid(e) ((e)->cipher->nid)
411 #define EVP_CIPHER_CTX_block_size(e) ((e)->cipher->block_size)
412 #define EVP_CIPHER_CTX_key_length(e) ((e)->key_len)
413 #define EVP_CIPHER_CTX_iv_length(e) ((e)->cipher->iv_len)
414 #define EVP_CIPHER_CTX_get_app_data(e) ((e)->app_data)
415 #define EVP_CIPHER_CTX_set_app_data(e,d) ((e)->app_data=(char *)(d))
416 #define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
417 #define EVP_CIPHER_CTX_flags(e) ((e)->cipher->flags)
418 #define EVP_CIPHER_CTX_mode(e) ((e)->cipher->flags & EVP_CIPH_MODE)
420 #define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80)
421 #define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80)
423 #define EVP_SignInit(a,b) EVP_DigestInit(a,b)
424 #define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
425 #define EVP_VerifyInit(a,b) EVP_DigestInit(a,b)
426 #define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
427 #define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e)
428 #define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e)
431 void BIO_set_md(BIO *,const EVP_MD *md);
433 # define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
435 #define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
436 #define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
437 #define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
438 #define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
440 #define EVP_Cipher(c,o,i,l) (c)->cipher->do_cipher((c),(o),(i),(l))
442 #define EVP_add_cipher_alias(n,alias) \
443 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
444 #define EVP_add_digest_alias(n,alias) \
445 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
446 #define EVP_delete_cipher_alias(alias) \
447 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
448 #define EVP_delete_digest_alias(alias) \
449 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
451 void EVP_MD_CTX_init(EVP_MD_CTX *ctx);
452 int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
453 EVP_MD_CTX *EVP_MD_CTX_create(void);
454 void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
455 int EVP_MD_CTX_copy(EVP_MD_CTX *out,const EVP_MD_CTX *in);
456 #define EVP_MD_CTX_set_flags(ctx,flgs) ((ctx)->flags|=(flgs))
458 int EVP_DigestInit_dbg(EVP_MD_CTX *ctx, const EVP_MD *type,
459 const char *file,int line);
460 #define EVP_DigestInit(ctx,type) EVP_DigestInit_dbg(ctx,type,__FILE__,__LINE__)
462 int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
464 int EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,
466 int EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
467 int EVP_Digest(void *data, unsigned int count,
468 unsigned char *md, unsigned int *size, const EVP_MD *type);
470 int EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
471 void EVP_set_pw_prompt(char *prompt);
472 char * EVP_get_pw_prompt(void);
474 int EVP_BytesToKey(const EVP_CIPHER *type,const EVP_MD *md,
475 const unsigned char *salt, const unsigned char *data,
476 int datal, int count, unsigned char *key,unsigned char *iv);
478 int EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
479 const unsigned char *key, const unsigned char *iv);
480 int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
481 int *outl, const unsigned char *in, int inl);
482 int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
484 int EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
485 const unsigned char *key, const unsigned char *iv);
486 int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
487 int *outl, const unsigned char *in, int inl);
488 int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
490 int EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
491 const unsigned char *key,const unsigned char *iv,
493 int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
494 int *outl, const unsigned char *in, int inl);
495 int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
497 int EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
500 int EVP_VerifyFinal(EVP_MD_CTX *ctx,unsigned char *sigbuf,
501 unsigned int siglen,EVP_PKEY *pkey);
503 int EVP_OpenInit(EVP_CIPHER_CTX *ctx,EVP_CIPHER *type,unsigned char *ek,
504 int ekl,unsigned char *iv,EVP_PKEY *priv);
505 int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
507 int EVP_SealInit(EVP_CIPHER_CTX *ctx, EVP_CIPHER *type, unsigned char **ek,
508 int *ekl, unsigned char *iv,EVP_PKEY **pubk, int npubk);
509 void EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
511 void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
512 void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,
513 int *outl,unsigned char *in,int inl);
514 void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
515 int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
517 void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
518 int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
519 unsigned char *in, int inl);
520 int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
521 char *out, int *outl);
522 int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
524 void ERR_load_EVP_strings(void );
526 void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
527 int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
528 int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
529 int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
530 int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
532 #ifndef OPENSSL_NO_BIO
533 BIO_METHOD *BIO_f_md(void);
534 BIO_METHOD *BIO_f_base64(void);
535 BIO_METHOD *BIO_f_cipher(void);
536 BIO_METHOD *BIO_f_reliable(void);
537 void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,unsigned char *k,
538 unsigned char *i, int enc);
541 const EVP_MD *EVP_md_null(void);
542 #ifndef OPENSSL_NO_MD2
543 const EVP_MD *EVP_md2(void);
545 #ifndef OPENSSL_NO_MD4
546 const EVP_MD *EVP_md4(void);
548 #ifndef OPENSSL_NO_MD5
549 const EVP_MD *EVP_md5(void);
551 #ifndef OPENSSL_NO_SHA
552 const EVP_MD *EVP_sha(void);
553 const EVP_MD *EVP_sha1(void);
554 const EVP_MD *EVP_dss(void);
555 const EVP_MD *EVP_dss1(void);
557 #ifndef OPENSSL_NO_MDC2
558 const EVP_MD *EVP_mdc2(void);
560 #ifndef OPENSSL_NO_RIPEMD
561 const EVP_MD *EVP_ripemd160(void);
563 const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
564 #ifndef OPENSSL_NO_DES
565 const EVP_CIPHER *EVP_des_ecb(void);
566 const EVP_CIPHER *EVP_des_ede(void);
567 const EVP_CIPHER *EVP_des_ede3(void);
568 const EVP_CIPHER *EVP_des_cfb(void);
569 const EVP_CIPHER *EVP_des_ede_cfb(void);
570 const EVP_CIPHER *EVP_des_ede3_cfb(void);
571 const EVP_CIPHER *EVP_des_ofb(void);
572 const EVP_CIPHER *EVP_des_ede_ofb(void);
573 const EVP_CIPHER *EVP_des_ede3_ofb(void);
574 const EVP_CIPHER *EVP_des_cbc(void);
575 const EVP_CIPHER *EVP_des_ede_cbc(void);
576 const EVP_CIPHER *EVP_des_ede3_cbc(void);
577 const EVP_CIPHER *EVP_desx_cbc(void);
578 # ifdef OPENSSL_OPENBSD_DEV_CRYPTO
579 const EVP_CIPHER *EVP_dev_crypto_des_ede3_cbc(void);
580 const EVP_CIPHER *EVP_dev_crypto_rc4(void);
581 const EVP_MD *EVP_dev_crypto_md5(void);
584 #ifndef OPENSSL_NO_RC4
585 const EVP_CIPHER *EVP_rc4(void);
586 const EVP_CIPHER *EVP_rc4_40(void);
588 #ifndef OPENSSL_NO_IDEA
589 const EVP_CIPHER *EVP_idea_ecb(void);
590 const EVP_CIPHER *EVP_idea_cfb(void);
591 const EVP_CIPHER *EVP_idea_ofb(void);
592 const EVP_CIPHER *EVP_idea_cbc(void);
594 #ifndef OPENSSL_NO_RC2
595 const EVP_CIPHER *EVP_rc2_ecb(void);
596 const EVP_CIPHER *EVP_rc2_cbc(void);
597 const EVP_CIPHER *EVP_rc2_40_cbc(void);
598 const EVP_CIPHER *EVP_rc2_64_cbc(void);
599 const EVP_CIPHER *EVP_rc2_cfb(void);
600 const EVP_CIPHER *EVP_rc2_ofb(void);
602 #ifndef OPENSSL_NO_BF
603 const EVP_CIPHER *EVP_bf_ecb(void);
604 const EVP_CIPHER *EVP_bf_cbc(void);
605 const EVP_CIPHER *EVP_bf_cfb(void);
606 const EVP_CIPHER *EVP_bf_ofb(void);
608 #ifndef OPENSSL_NO_CAST
609 const EVP_CIPHER *EVP_cast5_ecb(void);
610 const EVP_CIPHER *EVP_cast5_cbc(void);
611 const EVP_CIPHER *EVP_cast5_cfb(void);
612 const EVP_CIPHER *EVP_cast5_ofb(void);
614 #ifndef OPENSSL_NO_RC5
615 const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
616 const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
617 const EVP_CIPHER *EVP_rc5_32_12_16_cfb(void);
618 const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
620 #ifndef OPENSSL_NO_AES
621 const EVP_CIPHER *EVP_aes_128_ecb(void);
622 const EVP_CIPHER *EVP_aes_128_cbc(void);
623 const EVP_CIPHER *EVP_aes_192_ecb(void);
624 const EVP_CIPHER *EVP_aes_192_cbc(void);
625 const EVP_CIPHER *EVP_aes_256_ecb(void);
626 const EVP_CIPHER *EVP_aes_256_cbc(void);
629 void OpenSSL_add_all_algorithms(void);
630 void OpenSSL_add_all_ciphers(void);
631 void OpenSSL_add_all_digests(void);
632 #define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
633 #define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
634 #define SSLeay_add_all_digests() OpenSSL_add_all_digests()
636 int EVP_add_cipher(const EVP_CIPHER *cipher);
637 int EVP_add_digest(const EVP_MD *digest);
639 const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
640 const EVP_MD *EVP_get_digestbyname(const char *name);
641 void EVP_cleanup(void);
643 int EVP_PKEY_decrypt(unsigned char *dec_key,unsigned char *enc_key,
644 int enc_key_len,EVP_PKEY *private_key);
645 int EVP_PKEY_encrypt(unsigned char *enc_key,
646 unsigned char *key,int key_len,EVP_PKEY *pub_key);
647 int EVP_PKEY_type(int type);
648 int EVP_PKEY_bits(EVP_PKEY *pkey);
649 int EVP_PKEY_size(EVP_PKEY *pkey);
650 int EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);
652 #ifndef OPENSSL_NO_RSA
654 int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,struct rsa_st *key);
655 struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
657 #ifndef OPENSSL_NO_DSA
659 int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,struct dsa_st *key);
660 struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
662 #ifndef OPENSSL_NO_DH
664 int EVP_PKEY_set1_DH(EVP_PKEY *pkey,struct dh_st *key);
665 struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
669 EVP_PKEY * EVP_PKEY_new(void);
670 void EVP_PKEY_free(EVP_PKEY *pkey);
671 EVP_PKEY * d2i_PublicKey(int type,EVP_PKEY **a, unsigned char **pp,
673 int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
675 EVP_PKEY * d2i_PrivateKey(int type,EVP_PKEY **a, unsigned char **pp,
677 EVP_PKEY * d2i_AutoPrivateKey(EVP_PKEY **a, unsigned char **pp,
679 int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
681 int EVP_PKEY_copy_parameters(EVP_PKEY *to,EVP_PKEY *from);
682 int EVP_PKEY_missing_parameters(EVP_PKEY *pkey);
683 int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
684 int EVP_PKEY_cmp_parameters(EVP_PKEY *a,EVP_PKEY *b);
686 int EVP_CIPHER_type(const EVP_CIPHER *ctx);
689 int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
690 int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
692 /* These are used by EVP_CIPHER methods */
693 int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
694 int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
696 /* PKCS5 password based encryption */
697 int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
698 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
700 int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
701 unsigned char *salt, int saltlen, int iter,
702 int keylen, unsigned char *out);
703 int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
704 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
707 void PKCS5_PBE_add(void);
709 int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
710 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
711 int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
712 EVP_PBE_KEYGEN *keygen);
713 void EVP_PBE_cleanup(void);
715 /* BEGIN ERROR CODES */
716 /* The following lines are auto generated by the script mkerr.pl. Any changes
717 * made after this point may be overwritten when the script is next run.
720 /* Error codes for the EVP functions. */
722 /* Function codes. */
723 #define EVP_F_D2I_PKEY 100
724 #define EVP_F_EVP_CIPHERINIT 123
725 #define EVP_F_EVP_CIPHER_CTX_CTRL 124
726 #define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH 122
727 #define EVP_F_EVP_DECRYPTFINAL 101
728 #define EVP_F_EVP_ENCRYPTFINAL 127
729 #define EVP_F_EVP_MD_CTX_COPY 110
730 #define EVP_F_EVP_OPENINIT 102
731 #define EVP_F_EVP_PBE_ALG_ADD 115
732 #define EVP_F_EVP_PBE_CIPHERINIT 116
733 #define EVP_F_EVP_PKCS82PKEY 111
734 #define EVP_F_EVP_PKCS8_SET_BROKEN 112
735 #define EVP_F_EVP_PKEY2PKCS8 113
736 #define EVP_F_EVP_PKEY_COPY_PARAMETERS 103
737 #define EVP_F_EVP_PKEY_DECRYPT 104
738 #define EVP_F_EVP_PKEY_ENCRYPT 105
739 #define EVP_F_EVP_PKEY_GET1_DH 119
740 #define EVP_F_EVP_PKEY_GET1_DSA 120
741 #define EVP_F_EVP_PKEY_GET1_RSA 121
742 #define EVP_F_EVP_PKEY_NEW 106
743 #define EVP_F_EVP_RIJNDAEL 126
744 #define EVP_F_EVP_SIGNFINAL 107
745 #define EVP_F_EVP_VERIFYFINAL 108
746 #define EVP_F_PKCS5_PBE_KEYIVGEN 117
747 #define EVP_F_PKCS5_V2_PBE_KEYIVGEN 118
748 #define EVP_F_RC2_MAGIC_TO_METH 109
749 #define EVP_F_RC5_CTRL 125
752 #define EVP_R_BAD_BLOCK_LENGTH 136
753 #define EVP_R_BAD_DECRYPT 100
754 #define EVP_R_BAD_KEY_LENGTH 137
755 #define EVP_R_BN_DECODE_ERROR 112
756 #define EVP_R_BN_PUBKEY_ERROR 113
757 #define EVP_R_CIPHER_PARAMETER_ERROR 122
758 #define EVP_R_CTRL_NOT_IMPLEMENTED 132
759 #define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED 133
760 #define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH 138
761 #define EVP_R_DECODE_ERROR 114
762 #define EVP_R_DIFFERENT_KEY_TYPES 101
763 #define EVP_R_ENCODE_ERROR 115
764 #define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119
765 #define EVP_R_EXPECTING_AN_RSA_KEY 127
766 #define EVP_R_EXPECTING_A_DH_KEY 128
767 #define EVP_R_EXPECTING_A_DSA_KEY 129
768 #define EVP_R_INITIALIZATION_ERROR 134
769 #define EVP_R_INPUT_NOT_INITIALIZED 111
770 #define EVP_R_INVALID_KEY_LENGTH 130
771 #define EVP_R_IV_TOO_LARGE 102
772 #define EVP_R_KEYGEN_FAILURE 120
773 #define EVP_R_MISSING_PARAMETERS 103
774 #define EVP_R_NO_CIPHER_SET 131
775 #define EVP_R_NO_DSA_PARAMETERS 116
776 #define EVP_R_NO_SIGN_FUNCTION_CONFIGURED 104
777 #define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED 105
778 #define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117
779 #define EVP_R_PUBLIC_KEY_NOT_RSA 106
780 #define EVP_R_UNKNOWN_PBE_ALGORITHM 121
781 #define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS 135
782 #define EVP_R_UNSUPPORTED_CIPHER 107
783 #define EVP_R_UNSUPPORTED_KEYLENGTH 123
784 #define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION 124
785 #define EVP_R_UNSUPPORTED_KEY_SIZE 108
786 #define EVP_R_UNSUPPORTED_PRF 125
787 #define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118
788 #define EVP_R_UNSUPPORTED_SALT_TYPE 126
789 #define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109
790 #define EVP_R_WRONG_PUBLIC_KEY_TYPE 110