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openssl/crypto/evp/evp.h
Richard Levitte 875a644a90 Constify d2i, s2i, c2i and r2i functions and other associated 
functions and macros.

This change has associated tags: LEVITTE_before_const and
LEVITTE_after_const.  Those will be removed when this change has been
properly reviewed.
2004-03-15 23:15:26 +00:00

911 lines
32 KiB
C
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/* 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 OPENSSL_ALGORITHM_DEFINES
# include <openssl/opensslconf.h>
#else
# define OPENSSL_ALGORITHM_DEFINES
# include <openssl/opensslconf.h>
# undef OPENSSL_ALGORITHM_DEFINES
#endif
#include <openssl/ossl_typ.h>
#include <openssl/symhacks.h>
#ifndef OPENSSL_NO_BIO
#include <openssl/bio.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 32
#define EVP_MAX_IV_LENGTH 16
#define EVP_MAX_BLOCK_LENGTH 32
#define PKCS5_SALT_LEN 8
/* Default PKCS#5 iteration count */
#define PKCS5_DEFAULT_ITER 2048
#include <openssl/objects.h>
#define EVP_PK_RSA 0x0001
#define EVP_PK_DSA 0x0002
#define EVP_PK_DH 0x0004
#define EVP_PK_EC 0x0008
#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_PKS_EC 0x0400
#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
#define EVP_PKEY_EC NID_X9_62_id_ecPublicKey
#ifdef __cplusplus
extern "C" {
#endif
/* Type needs to be a bit field
* Sub-type needs to be for variations on the method, as in, can it do
* arbitrary encryption.... */
struct evp_pkey_st
{
int type;
int save_type;
int references;
union {
char *ptr;
#ifndef OPENSSL_NO_RSA
struct rsa_st *rsa; /* RSA */
#endif
#ifndef OPENSSL_NO_DSA
struct dsa_st *dsa; /* DSA */
#endif
#ifndef OPENSSL_NO_DH
struct dh_st *dh; /* DH */
#endif
#ifndef OPENSSL_NO_EC
struct ec_key_st *eckey;/* ECC */
#endif
} pkey;
int save_parameters;
STACK_OF(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_sha())
#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 (*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
struct env_md_st
{
int type;
int pkey_type;
int md_size;
unsigned long flags;
int (*init)(EVP_MD_CTX *ctx);
int (*update)(EVP_MD_CTX *ctx,const void *data,unsigned long count);
int (*final)(EVP_MD_CTX *ctx,unsigned char *md);
int (*copy)(EVP_MD_CTX *to,const EVP_MD_CTX *from);
int (*cleanup)(EVP_MD_CTX *ctx);
/* FIXME: prototype these some day */
int (*sign)();
int (*verify)();
int required_pkey_type[5]; /*EVP_PKEY_xxx */
int block_size;
int ctx_size; /* how big does the ctx->md_data need to be */
} /* EVP_MD */;
#define EVP_MD_FLAG_ONESHOT 0x0001 /* digest can only handle a single
* block */
#define EVP_PKEY_NULL_method NULL,NULL,{0,0,0,0}
#ifndef OPENSSL_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 OPENSSL_NO_ECDSA
#define EVP_PKEY_ECDSA_method ECDSA_sign,ECDSA_verify, \
{EVP_PKEY_EC,0,0,0}
#else
#define EVP_PKEY_ECDSA_method EVP_PKEY_NULL_method
#endif
#ifndef OPENSSL_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 */
struct env_md_ctx_st
{
const EVP_MD *digest;
ENGINE *engine; /* functional reference if 'digest' is ENGINE-provided */
unsigned long flags;
void *md_data;
} /* EVP_MD_CTX */;
/* values for EVP_MD_CTX flags */
#define EVP_MD_CTX_FLAG_ONESHOT 0x0001 /* digest update will be called
* once only */
#define EVP_MD_CTX_FLAG_CLEANED 0x0002 /* context has already been
* cleaned */
#define EVP_MD_CTX_FLAG_REUSE 0x0004 /* Don't free up ctx->md_data
* in EVP_MD_CTX_cleanup */
struct evp_cipher_st
{
int nid;
int block_size;
int key_len; /* Default value for variable length ciphers */
int iv_len;
unsigned long flags; /* Various flags */
int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc); /* init key */
int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, unsigned int inl);/* encrypt/decrypt data */
int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */
int ctx_size; /* how big ctx->cipher_data needs to be */
int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */
int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */
int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */
void *app_data; /* Application data */
} /* EVP_CIPHER */;
/* Values for cipher flags */
/* Modes for ciphers */
#define EVP_CIPH_STREAM_CIPHER 0x0
#define EVP_CIPH_ECB_MODE 0x1
#define EVP_CIPH_CBC_MODE 0x2
#define EVP_CIPH_CFB_MODE 0x3
#define EVP_CIPH_OFB_MODE 0x4
#define EVP_CIPH_MODE 0x7
/* Set if variable length cipher */
#define EVP_CIPH_VARIABLE_LENGTH 0x8
/* Set if the iv handling should be done by the cipher itself */
#define EVP_CIPH_CUSTOM_IV 0x10
/* Set if the cipher's init() function should be called if key is NULL */
#define EVP_CIPH_ALWAYS_CALL_INIT 0x20
/* Call ctrl() to init cipher parameters */
#define EVP_CIPH_CTRL_INIT 0x40
/* Don't use standard key length function */
#define EVP_CIPH_CUSTOM_KEY_LENGTH 0x80
/* Don't use standard block padding */
#define EVP_CIPH_NO_PADDING 0x100
/* ctrl() values */
#define EVP_CTRL_INIT 0x0
#define EVP_CTRL_SET_KEY_LENGTH 0x1
#define EVP_CTRL_GET_RC2_KEY_BITS 0x2
#define EVP_CTRL_SET_RC2_KEY_BITS 0x3
#define EVP_CTRL_GET_RC5_ROUNDS 0x4
#define EVP_CTRL_SET_RC5_ROUNDS 0x5
typedef struct evp_cipher_info_st
{
const EVP_CIPHER *cipher;
unsigned char iv[EVP_MAX_IV_LENGTH];
} EVP_CIPHER_INFO;
struct evp_cipher_ctx_st
{
const EVP_CIPHER *cipher;
ENGINE *engine; /* functional reference if 'cipher' is ENGINE-provided */
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_BLOCK_LENGTH];/* saved partial block */
int num; /* used by cfb/ofb mode */
void *app_data; /* application stuff */
int key_len; /* May change for variable length cipher */
unsigned long flags; /* Various flags */
void *cipher_data; /* per EVP data */
int final_used;
int block_mask;
unsigned char final[EVP_MAX_BLOCK_LENGTH];/* possible final block */
} /* 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)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
ASN1_TYPE *param, const EVP_CIPHER *cipher,
const EVP_MD *md, int en_de);
#ifndef OPENSSL_NO_RSA
#define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
(char *)(rsa))
#endif
#ifndef OPENSSL_NO_DSA
#define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
(char *)(dsa))
#endif
#ifndef OPENSSL_NO_DH
#define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
(char *)(dh))
#endif
#ifndef OPENSSL_NO_EC
#define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\
(char *)(eckey))
#endif
/* 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_nid(e) EVP_MD_type(e)
#define EVP_MD_name(e) OBJ_nid2sn(EVP_MD_nid(e))
#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_md(e) ((e)->digest)
#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) EVP_MD_type((e)->digest)
#define EVP_CIPHER_nid(e) ((e)->nid)
#define EVP_CIPHER_name(e) OBJ_nid2sn(EVP_CIPHER_nid(e))
#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_flags(e) ((e)->flags)
#define EVP_CIPHER_mode(e) (((e)->flags) & EVP_CIPH_MODE)
#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)->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_CIPHER_CTX_flags(e) ((e)->cipher->flags)
#define EVP_CIPHER_CTX_mode(e) ((e)->cipher->flags & EVP_CIPH_MODE)
#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_ex(a,b,c) EVP_DigestInit_ex(a,b,c)
#define EVP_SignInit(a,b) EVP_DigestInit(a,b)
#define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
#define EVP_VerifyInit_ex(a,b,c) EVP_DigestInit_ex(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);
void EVP_MD_CTX_init(EVP_MD_CTX *ctx);
int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
EVP_MD_CTX *EVP_MD_CTX_create(void);
void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out,const EVP_MD_CTX *in);
#define EVP_MD_CTX_set_flags(ctx,flgs) ((ctx)->flags|=(flgs))
#define EVP_MD_CTX_clear_flags(ctx,flgs) ((ctx)->flags&=~(flgs))
#define EVP_MD_CTX_test_flags(ctx,flgs) ((ctx)->flags&(flgs))
int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
int EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,
unsigned int cnt);
int EVP_DigestFinal_ex(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
int EVP_Digest(const void *data, unsigned int count,
unsigned char *md, unsigned int *size, const EVP_MD *type, ENGINE *impl);
int EVP_MD_CTX_copy(EVP_MD_CTX *out,const EVP_MD_CTX *in);
int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
int 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(const char *prompt);
char * EVP_get_pw_prompt(void);
int EVP_BytesToKey(const EVP_CIPHER *type,const EVP_MD *md,
const unsigned char *salt, const unsigned char *data,
int datal, int count, unsigned char *key,unsigned char *iv);
int EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
const unsigned char *key, const unsigned char *iv);
int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
const unsigned char *key, const unsigned char *iv);
int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
int *outl, const unsigned char *in, int inl);
int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
int EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
const unsigned char *key, const unsigned char *iv);
int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
const unsigned char *key, const unsigned char *iv);
int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
int *outl, const unsigned char *in, int inl);
int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
int EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
const unsigned char *key,const unsigned char *iv,
int enc);
int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
const unsigned char *key,const unsigned char *iv,
int enc);
int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
int *outl, const unsigned char *in, int inl);
int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
int EVP_CipherFinal_ex(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,const unsigned char *sigbuf,
unsigned int siglen,EVP_PKEY *pkey);
int EVP_OpenInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
const unsigned char *ek, int ekl, const 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, const EVP_CIPHER *type,
unsigned char **ek, int *ekl, unsigned char *iv,
EVP_PKEY **pubk, int npubk);
int 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,
const unsigned char *in,int inl);
void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
const unsigned char *in, int inl);
int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
char *out, int *outl);
int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
#ifndef OPENSSL_NO_BIO
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,const unsigned char *k,
const unsigned char *i, int enc);
#endif
const EVP_MD *EVP_md_null(void);
#ifndef OPENSSL_NO_MD2
const EVP_MD *EVP_md2(void);
#endif
#ifndef OPENSSL_NO_MD4
const EVP_MD *EVP_md4(void);
#endif
#ifndef OPENSSL_NO_MD5
const EVP_MD *EVP_md5(void);
#endif
#ifndef OPENSSL_NO_SHA
const EVP_MD *EVP_sha(void);
const EVP_MD *EVP_sha1(void);
const EVP_MD *EVP_dss(void);
const EVP_MD *EVP_dss1(void);
const EVP_MD *EVP_ecdsa(void);
#endif
#ifndef OPENSSL_NO_MDC2
const EVP_MD *EVP_mdc2(void);
#endif
#ifndef OPENSSL_NO_RIPEMD
const EVP_MD *EVP_ripemd160(void);
#endif
const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
#ifndef OPENSSL_NO_DES
const EVP_CIPHER *EVP_des_ecb(void);
const EVP_CIPHER *EVP_des_ede(void);
const EVP_CIPHER *EVP_des_ede3(void);
const EVP_CIPHER *EVP_des_ede_ecb(void);
const EVP_CIPHER *EVP_des_ede3_ecb(void);
const EVP_CIPHER *EVP_des_cfb64(void);
# define EVP_des_cfb EVP_des_cfb64
const EVP_CIPHER *EVP_des_cfb1(void);
const EVP_CIPHER *EVP_des_cfb8(void);
const EVP_CIPHER *EVP_des_ede_cfb64(void);
# define EVP_des_ede_cfb EVP_des_ede_cfb64
#if 0
const EVP_CIPHER *EVP_des_ede_cfb1(void);
const EVP_CIPHER *EVP_des_ede_cfb8(void);
#endif
const EVP_CIPHER *EVP_des_ede3_cfb64(void);
# define EVP_des_ede3_cfb EVP_des_ede3_cfb64
const EVP_CIPHER *EVP_des_ede3_cfb1(void);
const EVP_CIPHER *EVP_des_ede3_cfb8(void);
const EVP_CIPHER *EVP_des_ofb(void);
const EVP_CIPHER *EVP_des_ede_ofb(void);
const EVP_CIPHER *EVP_des_ede3_ofb(void);
const EVP_CIPHER *EVP_des_cbc(void);
const EVP_CIPHER *EVP_des_ede_cbc(void);
const EVP_CIPHER *EVP_des_ede3_cbc(void);
const EVP_CIPHER *EVP_desx_cbc(void);
/* This should now be supported through the dev_crypto ENGINE. But also, why are
* rc4 and md5 declarations made here inside a "NO_DES" precompiler branch? */
#if 0
# ifdef OPENSSL_OPENBSD_DEV_CRYPTO
const EVP_CIPHER *EVP_dev_crypto_des_ede3_cbc(void);
const EVP_CIPHER *EVP_dev_crypto_rc4(void);
const EVP_MD *EVP_dev_crypto_md5(void);
# endif
#endif
#endif
#ifndef OPENSSL_NO_RC4
const EVP_CIPHER *EVP_rc4(void);
const EVP_CIPHER *EVP_rc4_40(void);
#endif
#ifndef OPENSSL_NO_IDEA
const EVP_CIPHER *EVP_idea_ecb(void);
const EVP_CIPHER *EVP_idea_cfb64(void);
# define EVP_idea_cfb EVP_idea_cfb64
const EVP_CIPHER *EVP_idea_ofb(void);
const EVP_CIPHER *EVP_idea_cbc(void);
#endif
#ifndef OPENSSL_NO_RC2
const EVP_CIPHER *EVP_rc2_ecb(void);
const EVP_CIPHER *EVP_rc2_cbc(void);
const EVP_CIPHER *EVP_rc2_40_cbc(void);
const EVP_CIPHER *EVP_rc2_64_cbc(void);
const EVP_CIPHER *EVP_rc2_cfb64(void);
# define EVP_rc2_cfb EVP_rc2_cfb64
const EVP_CIPHER *EVP_rc2_ofb(void);
#endif
#ifndef OPENSSL_NO_BF
const EVP_CIPHER *EVP_bf_ecb(void);
const EVP_CIPHER *EVP_bf_cbc(void);
const EVP_CIPHER *EVP_bf_cfb64(void);
# define EVP_bf_cfb EVP_bf_cfb64
const EVP_CIPHER *EVP_bf_ofb(void);
#endif
#ifndef OPENSSL_NO_CAST
const EVP_CIPHER *EVP_cast5_ecb(void);
const EVP_CIPHER *EVP_cast5_cbc(void);
const EVP_CIPHER *EVP_cast5_cfb64(void);
# define EVP_cast5_cfb EVP_cast5_cfb64
const EVP_CIPHER *EVP_cast5_ofb(void);
#endif
#ifndef OPENSSL_NO_RC5
const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void);
# define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64
const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
#endif
#ifndef OPENSSL_NO_AES
const EVP_CIPHER *EVP_aes_128_ecb(void);
const EVP_CIPHER *EVP_aes_128_cbc(void);
const EVP_CIPHER *EVP_aes_128_cfb1(void);
const EVP_CIPHER *EVP_aes_128_cfb8(void);
const EVP_CIPHER *EVP_aes_128_cfb128(void);
# define EVP_aes_128_cfb EVP_aes_128_cfb128
const EVP_CIPHER *EVP_aes_128_ofb(void);
#if 0
const EVP_CIPHER *EVP_aes_128_ctr(void);
#endif
const EVP_CIPHER *EVP_aes_192_ecb(void);
const EVP_CIPHER *EVP_aes_192_cbc(void);
const EVP_CIPHER *EVP_aes_192_cfb1(void);
const EVP_CIPHER *EVP_aes_192_cfb8(void);
const EVP_CIPHER *EVP_aes_192_cfb128(void);
# define EVP_aes_192_cfb EVP_aes_192_cfb128
const EVP_CIPHER *EVP_aes_192_ofb(void);
#if 0
const EVP_CIPHER *EVP_aes_192_ctr(void);
#endif
const EVP_CIPHER *EVP_aes_256_ecb(void);
const EVP_CIPHER *EVP_aes_256_cbc(void);
const EVP_CIPHER *EVP_aes_256_cfb1(void);
const EVP_CIPHER *EVP_aes_256_cfb8(void);
const EVP_CIPHER *EVP_aes_256_cfb128(void);
# define EVP_aes_256_cfb EVP_aes_256_cfb128
const EVP_CIPHER *EVP_aes_256_ofb(void);
#if 0
const EVP_CIPHER *EVP_aes_256_ctr(void);
#endif
#endif
void OPENSSL_add_all_algorithms_noconf(void);
void OPENSSL_add_all_algorithms_conf(void);
#ifdef OPENSSL_LOAD_CONF
#define OpenSSL_add_all_algorithms() \
OPENSSL_add_all_algorithms_conf()
#else
#define OpenSSL_add_all_algorithms() \
OPENSSL_add_all_algorithms_noconf()
#endif
void OpenSSL_add_all_ciphers(void);
void OpenSSL_add_all_digests(void);
#define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
#define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
#define SSLeay_add_all_digests() OpenSSL_add_all_digests()
int EVP_add_cipher(const EVP_CIPHER *cipher);
int EVP_add_digest(const 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,
const unsigned char *enc_key,int enc_key_len,
EVP_PKEY *private_key);
int EVP_PKEY_encrypt(unsigned char *enc_key,
const 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);
#ifndef OPENSSL_NO_RSA
struct rsa_st;
int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,struct rsa_st *key);
struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
#endif
#ifndef OPENSSL_NO_DSA
struct dsa_st;
int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,struct dsa_st *key);
struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
#endif
#ifndef OPENSSL_NO_DH
struct dh_st;
int EVP_PKEY_set1_DH(EVP_PKEY *pkey,struct dh_st *key);
struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
#endif
#ifndef OPENSSL_NO_EC
struct ec_key_st;
int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey,struct ec_key_st *key);
struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
#endif
EVP_PKEY * EVP_PKEY_new(void);
void EVP_PKEY_free(EVP_PKEY *pkey);
EVP_PKEY * d2i_PublicKey(int type,EVP_PKEY **a, const unsigned char **pp,
long length);
int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
EVP_PKEY * d2i_PrivateKey(int type,EVP_PKEY **a, const unsigned char **pp,
long length);
EVP_PKEY * d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
long length);
int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);
int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);
int EVP_CIPHER_type(const 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);
/* PKCS5 password based encryption */
int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
int en_de);
int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
const unsigned char *salt, int saltlen, int iter,
int keylen, unsigned char *out);
int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
int en_de);
void PKCS5_PBE_add(void);
int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
EVP_PBE_KEYGEN *keygen);
void EVP_PBE_cleanup(void);
/* 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.
*/
void ERR_load_EVP_strings(void);
/* Error codes for the EVP functions. */
/* Function codes. */
#define EVP_F_AES_INIT_KEY 133
#define EVP_F_D2I_PKEY 100
#define EVP_F_ECDSA_PKEY2PKCS8 129
#define EVP_F_EC_KEY_PKEY2PKCS8 132
#define EVP_F_EVP_CIPHERINIT 123
#define EVP_F_EVP_CIPHER_CTX_CTRL 124
#define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH 122
#define EVP_F_EVP_DECRYPTFINAL 101
#define EVP_F_EVP_DIGESTINIT 128
#define EVP_F_EVP_ENCRYPTFINAL 127
#define EVP_F_EVP_MD_CTX_COPY 110
#define EVP_F_EVP_OPENINIT 102
#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_GET1_DH 119
#define EVP_F_EVP_PKEY_GET1_DSA 120
#define EVP_F_EVP_PKEY_GET1_ECDSA 130
#define EVP_F_EVP_PKEY_GET1_EC_KEY 131
#define EVP_F_EVP_PKEY_GET1_RSA 121
#define EVP_F_EVP_PKEY_NEW 106
#define EVP_F_EVP_RIJNDAEL 126
#define EVP_F_EVP_SIGNFINAL 107
#define EVP_F_EVP_VERIFYFINAL 108
#define EVP_F_PKCS5_PBE_KEYIVGEN 117
#define EVP_F_PKCS5_V2_PBE_KEYIVGEN 118
#define EVP_F_RC2_MAGIC_TO_METH 109
#define EVP_F_RC5_CTRL 125
/* Reason codes. */
#define EVP_R_AES_KEY_SETUP_FAILED 143
#define EVP_R_ASN1_LIB 140
#define EVP_R_BAD_BLOCK_LENGTH 136
#define EVP_R_BAD_DECRYPT 100
#define EVP_R_BAD_KEY_LENGTH 137
#define EVP_R_BN_DECODE_ERROR 112
#define EVP_R_BN_PUBKEY_ERROR 113
#define EVP_R_CIPHER_PARAMETER_ERROR 122
#define EVP_R_CTRL_NOT_IMPLEMENTED 132
#define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED 133
#define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH 138
#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_EXPECTING_AN_RSA_KEY 127
#define EVP_R_EXPECTING_A_DH_KEY 128
#define EVP_R_EXPECTING_A_DSA_KEY 129
#define EVP_R_EXPECTING_A_ECDSA_KEY 141
#define EVP_R_EXPECTING_A_EC_KEY 142
#define EVP_R_INITIALIZATION_ERROR 134
#define EVP_R_INPUT_NOT_INITIALIZED 111
#define EVP_R_INVALID_KEY_LENGTH 130
#define EVP_R_IV_TOO_LARGE 102
#define EVP_R_KEYGEN_FAILURE 120
#define EVP_R_MISSING_PARAMETERS 103
#define EVP_R_NO_CIPHER_SET 131
#define EVP_R_NO_DIGEST_SET 139
#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_UNSUPORTED_NUMBER_OF_ROUNDS 135
#define EVP_R_UNSUPPORTED_CIPHER 107
#define EVP_R_UNSUPPORTED_KEYLENGTH 123
#define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION 124
#define EVP_R_UNSUPPORTED_KEY_SIZE 108
#define EVP_R_UNSUPPORTED_PRF 125
#define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118
#define EVP_R_UNSUPPORTED_SALT_TYPE 126
#define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109
#define EVP_R_WRONG_PUBLIC_KEY_TYPE 110
#ifdef __cplusplus
}
#endif
#endif
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