openssl/crypto/evp/evp.h
Dr. Stephen Henson 884e8ec615 Various PKCS#7 fixes to properly (maybe!) handle PKCS#7 enveloped data.
Containts elements of code by Sebastian Akerman <sak@parallelconsulting.com>
and made a bit less "naughty" by Steve.
1999-05-10 00:47:42 +00:00

691 lines
22 KiB
C

/* crypto/evp/evp.h */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#ifndef HEADER_ENVELOPE_H
#define HEADER_ENVELOPE_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef NO_MD2
#include <openssl/md2.h>
#endif
#ifndef NO_MD5
#include <openssl/md5.h>
#endif
#ifndef NO_SHA
#include <openssl/sha.h>
#endif
#ifndef NO_RIPEMD
#include <openssl/ripemd.h>
#endif
#ifndef NO_DES
#include <openssl/des.h>
#endif
#ifndef NO_RC4
#include <openssl/rc4.h>
#endif
#ifndef NO_RC2
#include <openssl/rc2.h>
#endif
#ifndef NO_RC5
#include <openssl/rc5.h>
#endif
#ifndef NO_BF
#include <openssl/blowfish.h>
#endif
#ifndef NO_CAST
#include <openssl/cast.h>
#endif
#ifndef NO_IDEA
#include <openssl/idea.h>
#endif
#ifndef NO_MDC2
#include <openssl/mdc2.h>
#endif
#define EVP_RC2_KEY_SIZE 16
#define EVP_RC4_KEY_SIZE 16
#define EVP_BLOWFISH_KEY_SIZE 16
#define EVP_CAST5_KEY_SIZE 16
#define EVP_RC5_32_12_16_KEY_SIZE 16
#define EVP_MAX_MD_SIZE (16+20) /* The SSLv3 md5+sha1 type */
#define EVP_MAX_KEY_LENGTH 24
#define EVP_MAX_IV_LENGTH 8
#ifndef NO_RSA
#include <openssl/rsa.h>
#endif
#ifndef NO_DSA
#include <openssl/dsa.h>
#endif
#ifndef NO_DH
#include <openssl/dh.h>
#endif
#include <openssl/objects.h>
#define EVP_PK_RSA 0x0001
#define EVP_PK_DSA 0x0002
#define EVP_PK_DH 0x0004
#define EVP_PKT_SIGN 0x0010
#define EVP_PKT_ENC 0x0020
#define EVP_PKT_EXCH 0x0040
#define EVP_PKS_RSA 0x0100
#define EVP_PKS_DSA 0x0200
#define EVP_PKT_EXP 0x1000 /* <= 512 bit key */
#define EVP_PKEY_NONE NID_undef
#define EVP_PKEY_RSA NID_rsaEncryption
#define EVP_PKEY_RSA2 NID_rsa
#define EVP_PKEY_DSA NID_dsa
#define EVP_PKEY_DSA1 NID_dsa_2
#define EVP_PKEY_DSA2 NID_dsaWithSHA
#define EVP_PKEY_DSA3 NID_dsaWithSHA1
#define EVP_PKEY_DSA4 NID_dsaWithSHA1_2
#define EVP_PKEY_DH NID_dhKeyAgreement
/* Type needs to be a bit field
* Sub-type needs to be for variations on the method, as in, can it do
* arbitary encryption.... */
typedef struct evp_pkey_st
{
int type;
int save_type;
int references;
union {
char *ptr;
#ifndef NO_RSA
struct rsa_st *rsa; /* RSA */
#endif
#ifndef NO_DSA
struct dsa_st *dsa; /* DSA */
#endif
#ifndef NO_DH
struct dh_st *dh; /* DH */
#endif
} pkey;
int save_parameters;
STACK /*X509_ATTRIBUTE*/ *attributes; /* [ 0 ] */
} EVP_PKEY;
#define EVP_PKEY_MO_SIGN 0x0001
#define EVP_PKEY_MO_VERIFY 0x0002
#define EVP_PKEY_MO_ENCRYPT 0x0004
#define EVP_PKEY_MO_DECRYPT 0x0008
#if 0
/* This structure is required to tie the message digest and signing together.
* The lookup can be done by md/pkey_method, oid, oid/pkey_method, or
* oid, md and pkey.
* This is required because for various smart-card perform the digest and
* signing/verification on-board. To handle this case, the specific
* EVP_MD and EVP_PKEY_METHODs need to be closely associated.
* When a PKEY is created, it will have a EVP_PKEY_METHOD associated with it.
* This can either be software or a token to provide the required low level
* routines.
*/
typedef struct evp_pkey_md_st
{
int oid;
EVP_MD *md;
EVP_PKEY_METHOD *pkey;
} EVP_PKEY_MD;
#define EVP_rsa_md2() \
EVP_PKEY_MD_add(NID_md2WithRSAEncryption,\
EVP_rsa_pkcs1(),EVP_md2())
#define EVP_rsa_md5() \
EVP_PKEY_MD_add(NID_md5WithRSAEncryption,\
EVP_rsa_pkcs1(),EVP_md5())
#define EVP_rsa_sha0() \
EVP_PKEY_MD_add(NID_shaWithRSAEncryption,\
EVP_rsa_pkcs1(),EVP_sha())
#define EVP_rsa_sha1() \
EVP_PKEY_MD_add(NID_sha1WithRSAEncryption,\
EVP_rsa_pkcs1(),EVP_sha1())
#define EVP_rsa_ripemd160() \
EVP_PKEY_MD_add(NID_ripemd160WithRSA,\
EVP_rsa_pkcs1(),EVP_ripemd160())
#define EVP_rsa_mdc2() \
EVP_PKEY_MD_add(NID_mdc2WithRSA,\
EVP_rsa_octet_string(),EVP_mdc2())
#define EVP_dsa_sha() \
EVP_PKEY_MD_add(NID_dsaWithSHA,\
EVP_dsa(),EVP_mdc2())
#define EVP_dsa_sha1() \
EVP_PKEY_MD_add(NID_dsaWithSHA1,\
EVP_dsa(),EVP_sha1())
typedef struct evp_pkey_method_st
{
char *name;
int flags;
int type; /* RSA, DSA, an SSLeay specific constant */
int oid; /* For the pub-key type */
int encrypt_oid; /* pub/priv key encryption */
int (*sign)();
int (*verify)();
struct {
int
int (*set)(); /* get and/or set the underlying type */
int (*get)();
int (*encrypt)();
int (*decrypt)();
int (*i2d)();
int (*d2i)();
int (*dup)();
} pub,priv;
int (*set_asn1_parameters)();
int (*get_asn1_parameters)();
} EVP_PKEY_METHOD;
#endif
#ifndef EVP_MD
typedef struct env_md_st
{
int type;
int pkey_type;
int md_size;
void (*init)();
void (*update)();
void (*final)();
int (*sign)();
int (*verify)();
int required_pkey_type[5]; /*EVP_PKEY_xxx */
int block_size;
int ctx_size; /* how big does the ctx need to be */
} EVP_MD;
#define EVP_PKEY_NULL_method NULL,NULL,{0,0,0,0}
#ifndef NO_DSA
#define EVP_PKEY_DSA_method DSA_sign,DSA_verify, \
{EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
EVP_PKEY_DSA4,0}
#else
#define EVP_PKEY_DSA_method EVP_PKEY_NULL_method
#endif
#ifndef NO_RSA
#define EVP_PKEY_RSA_method RSA_sign,RSA_verify, \
{EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
RSA_sign_ASN1_OCTET_STRING, \
RSA_verify_ASN1_OCTET_STRING, \
{EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
#else
#define EVP_PKEY_RSA_method EVP_PKEY_NULL_method
#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method
#endif
#endif /* !EVP_MD */
typedef struct env_md_ctx_st
{
const EVP_MD *digest;
union {
unsigned char base[4];
#ifndef NO_MD2
MD2_CTX md2;
#endif
#ifndef NO_MD5
MD5_CTX md5;
#endif
#ifndef NO_RIPEMD
RIPEMD160_CTX ripemd160;
#endif
#ifndef NO_SHA
SHA_CTX sha;
#endif
#ifndef NO_MDC2
MDC2_CTX mdc2;
#endif
} md;
} EVP_MD_CTX;
typedef struct evp_cipher_st
{
int nid;
int block_size;
int key_len;
int iv_len;
void (*init)(); /* init for encryption */
void (*do_cipher)(); /* encrypt data */
void (*cleanup)(); /* used by cipher method */
int ctx_size; /* how big the ctx needs to be */
/* int set_asn1_parameters(EVP_CIPHER_CTX,ASN1_TYPE *); */
int (*set_asn1_parameters)(); /* Populate a ASN1_TYPE with parameters */
/* int get_asn1_parameters(EVP_CIPHER_CTX,ASN1_TYPE *); */
int (*get_asn1_parameters)(); /* Get parameters from a ASN1_TYPE */
} EVP_CIPHER;
typedef struct evp_cipher_info_st
{
const EVP_CIPHER *cipher;
unsigned char iv[EVP_MAX_IV_LENGTH];
} EVP_CIPHER_INFO;
typedef struct evp_cipher_ctx_st
{
const EVP_CIPHER *cipher;
int encrypt; /* encrypt or decrypt */
int buf_len; /* number we have left */
unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
unsigned char buf[EVP_MAX_IV_LENGTH]; /* saved partial block */
int num; /* used by cfb/ofb mode */
char *app_data; /* aplication stuff */
union {
#ifndef NO_RC4
struct
{
unsigned char key[EVP_RC4_KEY_SIZE];
RC4_KEY ks; /* working key */
} rc4;
#endif
#ifndef NO_DES
des_key_schedule des_ks;/* key schedule */
struct
{
des_key_schedule ks;/* key schedule */
C_Block inw;
C_Block outw;
} desx_cbc;
struct
{
des_key_schedule ks1;/* key schedule */
des_key_schedule ks2;/* key schedule (for ede) */
des_key_schedule ks3;/* key schedule (for ede3) */
} des_ede;
#endif
#ifndef NO_IDEA
IDEA_KEY_SCHEDULE idea_ks;/* key schedule */
#endif
#ifndef NO_RC2
RC2_KEY rc2_ks;/* key schedule */
#endif
#ifndef NO_RC5
RC5_32_KEY rc5_ks;/* key schedule */
#endif
#ifndef NO_BF
BF_KEY bf_ks;/* key schedule */
#endif
#ifndef NO_CAST
CAST_KEY cast_ks;/* key schedule */
#endif
} c;
} EVP_CIPHER_CTX;
typedef struct evp_Encode_Ctx_st
{
int num; /* number saved in a partial encode/decode */
int length; /* The length is either the output line length
* (in input bytes) or the shortest input line
* length that is ok. Once decoding begins,
* the length is adjusted up each time a longer
* line is decoded */
unsigned char enc_data[80]; /* data to encode */
int line_num; /* number read on current line */
int expect_nl;
} EVP_ENCODE_CTX;
/* Password based encryption function */
typedef int (EVP_PBE_KEYGEN)(const char *pass, int passlen,
unsigned char *salt, int saltlen, int iter, EVP_CIPHER *cipher,
EVP_MD *md, unsigned char *key, unsigned char *iv);
#define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
(char *)(rsa))
#define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
(char *)(dsa))
#define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
(char *)(dh))
/* Add some extra combinations */
#define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
#define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
#define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
#define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
#define EVP_MD_type(e) ((e)->type)
#define EVP_MD_pkey_type(e) ((e)->pkey_type)
#define EVP_MD_size(e) ((e)->md_size)
#define EVP_MD_block_size(e) ((e)->block_size)
#define EVP_MD_CTX_size(e) EVP_MD_size((e)->digest)
#define EVP_MD_CTX_block_size(e) EVP_MD_block_size((e)->digest)
#define EVP_MD_CTX_type(e) ((e)->digest)
#define EVP_CIPHER_nid(e) ((e)->nid)
#define EVP_CIPHER_block_size(e) ((e)->block_size)
#define EVP_CIPHER_key_length(e) ((e)->key_len)
#define EVP_CIPHER_iv_length(e) ((e)->iv_len)
#define EVP_CIPHER_CTX_cipher(e) ((e)->cipher)
#define EVP_CIPHER_CTX_nid(e) ((e)->cipher->nid)
#define EVP_CIPHER_CTX_block_size(e) ((e)->cipher->block_size)
#define EVP_CIPHER_CTX_key_length(e) ((e)->cipher->key_len)
#define EVP_CIPHER_CTX_iv_length(e) ((e)->cipher->iv_len)
#define EVP_CIPHER_CTX_get_app_data(e) ((e)->app_data)
#define EVP_CIPHER_CTX_set_app_data(e,d) ((e)->app_data=(char *)(d))
#define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
#define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80)
#define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80)
#define EVP_SignInit(a,b) EVP_DigestInit(a,b)
#define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
#define EVP_VerifyInit(a,b) EVP_DigestInit(a,b)
#define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
#define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e)
#define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e)
#ifdef CONST_STRICT
void BIO_set_md(BIO *,const EVP_MD *md);
#else
# define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
#endif
#define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
#define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
#define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
#define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
#define EVP_Cipher(c,o,i,l) (c)->cipher->do_cipher((c),(o),(i),(l))
#define EVP_add_cipher_alias(n,alias) \
OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
#define EVP_add_digest_alias(n,alias) \
OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
#define EVP_delete_cipher_alias(alias) \
OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
#define EVP_delete_digest_alias(alias) \
OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
int EVP_MD_CTX_copy(EVP_MD_CTX *out,EVP_MD_CTX *in);
void EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
void EVP_DigestUpdate(EVP_MD_CTX *ctx,const unsigned char *d,
unsigned int cnt);
void EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
int EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
void EVP_set_pw_prompt(char *prompt);
char * EVP_get_pw_prompt(void);
int EVP_BytesToKey(const EVP_CIPHER *type,EVP_MD *md,unsigned char *salt,
unsigned char *data, int datal, int count,
unsigned char *key,unsigned char *iv);
void EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
unsigned char *key, unsigned char *iv);
void EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
int *outl, unsigned char *in, int inl);
void EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
void EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
unsigned char *key, unsigned char *iv);
void EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
int *outl, unsigned char *in, int inl);
int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
void EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
unsigned char *key,unsigned char *iv,int enc);
void EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
int *outl, unsigned char *in, int inl);
int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
int EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
EVP_PKEY *pkey);
int EVP_VerifyFinal(EVP_MD_CTX *ctx,unsigned char *sigbuf,
unsigned int siglen,EVP_PKEY *pkey);
int EVP_OpenInit(EVP_CIPHER_CTX *ctx,EVP_CIPHER *type,unsigned char *ek,
int ekl,unsigned char *iv,EVP_PKEY *priv);
int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
int EVP_SealInit(EVP_CIPHER_CTX *ctx, EVP_CIPHER *type, unsigned char **ek,
int *ekl, unsigned char *iv,EVP_PKEY **pubk, int npubk);
void EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,
int *outl,unsigned char *in,int inl);
void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
int EVP_EncodeBlock(unsigned char *t, unsigned char *f, int n);
void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
unsigned char *in, int inl);
int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
char *out, int *outl);
int EVP_DecodeBlock(unsigned char *t, unsigned
char *f, int n);
void ERR_load_EVP_strings(void );
void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
void EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
#ifdef HEADER_BIO_H
BIO_METHOD *BIO_f_md(void);
BIO_METHOD *BIO_f_base64(void);
BIO_METHOD *BIO_f_cipher(void);
BIO_METHOD *BIO_f_reliable(void);
void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,unsigned char *k,
unsigned char *i, int enc);
#endif
EVP_MD *EVP_md_null(void);
EVP_MD *EVP_md2(void);
EVP_MD *EVP_md5(void);
EVP_MD *EVP_sha(void);
EVP_MD *EVP_sha1(void);
EVP_MD *EVP_dss(void);
EVP_MD *EVP_dss1(void);
EVP_MD *EVP_mdc2(void);
EVP_MD *EVP_ripemd160(void);
EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
EVP_CIPHER *EVP_des_ecb(void);
EVP_CIPHER *EVP_des_ede(void);
EVP_CIPHER *EVP_des_ede3(void);
EVP_CIPHER *EVP_des_cfb(void);
EVP_CIPHER *EVP_des_ede_cfb(void);
EVP_CIPHER *EVP_des_ede3_cfb(void);
EVP_CIPHER *EVP_des_ofb(void);
EVP_CIPHER *EVP_des_ede_ofb(void);
EVP_CIPHER *EVP_des_ede3_ofb(void);
EVP_CIPHER *EVP_des_cbc(void);
EVP_CIPHER *EVP_des_ede_cbc(void);
EVP_CIPHER *EVP_des_ede3_cbc(void);
EVP_CIPHER *EVP_desx_cbc(void);
EVP_CIPHER *EVP_rc4(void);
EVP_CIPHER *EVP_rc4_40(void);
EVP_CIPHER *EVP_idea_ecb(void);
EVP_CIPHER *EVP_idea_cfb(void);
EVP_CIPHER *EVP_idea_ofb(void);
EVP_CIPHER *EVP_idea_cbc(void);
EVP_CIPHER *EVP_rc2_ecb(void);
EVP_CIPHER *EVP_rc2_cbc(void);
EVP_CIPHER *EVP_rc2_40_cbc(void);
EVP_CIPHER *EVP_rc2_64_cbc(void);
EVP_CIPHER *EVP_rc2_cfb(void);
EVP_CIPHER *EVP_rc2_ofb(void);
EVP_CIPHER *EVP_bf_ecb(void);
EVP_CIPHER *EVP_bf_cbc(void);
EVP_CIPHER *EVP_bf_cfb(void);
EVP_CIPHER *EVP_bf_ofb(void);
EVP_CIPHER *EVP_cast5_ecb(void);
EVP_CIPHER *EVP_cast5_cbc(void);
EVP_CIPHER *EVP_cast5_cfb(void);
EVP_CIPHER *EVP_cast5_ofb(void);
EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
EVP_CIPHER *EVP_rc5_32_12_16_cfb(void);
EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
void SSLeay_add_all_algorithms(void);
void SSLeay_add_all_ciphers(void);
void SSLeay_add_all_digests(void);
int EVP_add_cipher(EVP_CIPHER *cipher);
int EVP_add_digest(EVP_MD *digest);
const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
const EVP_MD *EVP_get_digestbyname(const char *name);
void EVP_cleanup(void);
int EVP_PKEY_decrypt(unsigned char *dec_key,unsigned char *enc_key,
int enc_key_len,EVP_PKEY *private_key);
int EVP_PKEY_encrypt(unsigned char *enc_key,
unsigned char *key,int key_len,EVP_PKEY *pub_key);
int EVP_PKEY_type(int type);
int EVP_PKEY_bits(EVP_PKEY *pkey);
int EVP_PKEY_size(EVP_PKEY *pkey);
int EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);
EVP_PKEY * EVP_PKEY_new(void);
void EVP_PKEY_free(EVP_PKEY *pkey);
EVP_PKEY * d2i_PublicKey(int type,EVP_PKEY **a, unsigned char **pp,
long length);
int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
EVP_PKEY * d2i_PrivateKey(int type,EVP_PKEY **a, unsigned char **pp,
long length);
int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
int EVP_PKEY_copy_parameters(EVP_PKEY *to,EVP_PKEY *from);
int EVP_PKEY_missing_parameters(EVP_PKEY *pkey);
int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
int EVP_PKEY_cmp_parameters(EVP_PKEY *a,EVP_PKEY *b);
int EVP_CIPHER_type(EVP_CIPHER *ctx);
/* calls methods */
int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
/* These are used by EVP_CIPHER methods */
int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
* made after this point may be overwritten when the script is next run.
*/
/* Error codes for the EVP functions. */
/* Function codes. */
#define EVP_F_D2I_PKEY 100
#define EVP_F_EVP_DECRYPTFINAL 101
#define EVP_F_EVP_MD_CTX_COPY 110
#define EVP_F_EVP_OPENINIT 102
#define EVP_F_EVP_PBE_ALGOR_CIPHERINIT 114
#define EVP_F_EVP_PBE_ALG_ADD 115
#define EVP_F_EVP_PBE_CIPHERINIT 116
#define EVP_F_EVP_PKCS82PKEY 111
#define EVP_F_EVP_PKCS8_SET_BROKEN 112
#define EVP_F_EVP_PKEY2PKCS8 113
#define EVP_F_EVP_PKEY_COPY_PARAMETERS 103
#define EVP_F_EVP_PKEY_DECRYPT 104
#define EVP_F_EVP_PKEY_ENCRYPT 105
#define EVP_F_EVP_PKEY_NEW 106
#define EVP_F_EVP_SIGNFINAL 107
#define EVP_F_EVP_VERIFYFINAL 108
#define EVP_F_RC2_MAGIC_TO_METH 109
/* Reason codes. */
#define EVP_R_BAD_DECRYPT 100
#define EVP_R_BN_DECODE_ERROR 112
#define EVP_R_BN_PUBKEY_ERROR 113
#define EVP_R_DECODE_ERROR 114
#define EVP_R_DIFFERENT_KEY_TYPES 101
#define EVP_R_ENCODE_ERROR 115
#define EVP_R_EVP_PBE_CIPHERINIT_ERROR 119
#define EVP_R_INPUT_NOT_INITIALIZED 111
#define EVP_R_IV_TOO_LARGE 102
#define EVP_R_KEYGEN_FAILURE 120
#define EVP_R_MISSING_PARMATERS 103
#define EVP_R_NO_DSA_PARAMETERS 116
#define EVP_R_NO_SIGN_FUNCTION_CONFIGURED 104
#define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED 105
#define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117
#define EVP_R_PUBLIC_KEY_NOT_RSA 106
#define EVP_R_UNKNOWN_PBE_ALGORITHM 121
#define EVP_R_UNSUPPORTED_CIPHER 107
#define EVP_R_UNSUPPORTED_KEY_SIZE 108
#define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118
#define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109
#define EVP_R_WRONG_PUBLIC_KEY_TYPE 110
#ifdef __cplusplus
}
#endif
#endif