wolfssl/cyassl/openssl/evp.h
2013-02-04 14:51:41 -08:00

240 lines
8.3 KiB
C

/* evp.h
*
* Copyright (C) 2013 Sawtooth Consulting Ltd.
*
* This file is part of CyaSSL.
*
* CyaSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* CyaSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
/* evp.h defines mini evp openssl compatibility layer
*
*/
#ifndef CYASSL_EVP_H_
#define CYASSL_EVP_H_
#include <cyassl/ctaocrypt/settings.h>
#ifdef YASSL_PREFIX
#include "prefix_evp.h"
#endif
#include <cyassl/openssl/md5.h>
#include <cyassl/openssl/sha.h>
#include <cyassl/openssl/ripemd.h>
#include <cyassl/openssl/rsa.h>
#include <cyassl/openssl/dsa.h>
#include <cyassl/ctaocrypt/aes.h>
#include <cyassl/ctaocrypt/des3.h>
#include <cyassl/ctaocrypt/arc4.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef char CYASSL_EVP_MD;
typedef char CYASSL_EVP_CIPHER;
CYASSL_API const CYASSL_EVP_MD* CyaSSL_EVP_md5(void);
CYASSL_API const CYASSL_EVP_MD* CyaSSL_EVP_sha1(void);
CYASSL_API const CYASSL_EVP_MD* CyaSSL_EVP_sha256(void);
CYASSL_API const CYASSL_EVP_MD* CyaSSL_EVP_sha384(void);
CYASSL_API const CYASSL_EVP_MD* CyaSSL_EVP_sha512(void);
CYASSL_API const CYASSL_EVP_MD* CyaSSL_EVP_ripemd160(void);
CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_aes_128_cbc(void);
CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_aes_192_cbc(void);
CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_aes_256_cbc(void);
CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_aes_128_ctr(void);
CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_aes_192_ctr(void);
CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_aes_256_ctr(void);
CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_des_cbc(void);
CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_des_ede3_cbc(void);
CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_rc4(void);
CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_enc_null(void);
typedef union {
CYASSL_MD5_CTX md5;
CYASSL_SHA_CTX sha;
CYASSL_SHA256_CTX sha256;
#ifdef CYASSL_SHA384
CYASSL_SHA384_CTX sha384;
#endif
#ifdef CYASSL_SHA512
CYASSL_SHA512_CTX sha512;
#endif
#ifdef CYASSL_RIPEMD
CYASSL_RIPEMD_CTX ripemd;
#endif
} CYASSL_Hasher;
typedef struct CYASSL_EVP_MD_CTX {
unsigned char macType;
CYASSL_Hasher hash;
} CYASSL_EVP_MD_CTX;
typedef union {
Aes aes;
Des des;
Des3 des3;
Arc4 arc4;
} CYASSL_Cipher;
enum {
AES_128_CBC_TYPE = 1,
AES_192_CBC_TYPE = 2,
AES_256_CBC_TYPE = 3,
AES_128_CTR_TYPE = 4,
AES_192_CTR_TYPE = 5,
AES_256_CTR_TYPE = 6,
DES_CBC_TYPE = 7,
DES_EDE3_CBC_TYPE = 8,
ARC4_TYPE = 9,
NULL_CIPHER_TYPE = 10,
EVP_PKEY_RSA = 11,
EVP_PKEY_DSA = 12,
NID_sha1 = 64,
NID_md5 = 4
};
typedef struct CYASSL_EVP_CIPHER_CTX {
int keyLen; /* user may set for variable */
unsigned char enc; /* if encrypt side, then true */
unsigned char cipherType;
unsigned char iv[AES_BLOCK_SIZE]; /* working iv pointer into cipher */
CYASSL_Cipher cipher;
} CYASSL_EVP_CIPHER_CTX;
CYASSL_API int CyaSSL_EVP_MD_size(const CYASSL_EVP_MD* md);
CYASSL_API void CyaSSL_EVP_MD_CTX_init(CYASSL_EVP_MD_CTX* ctx);
CYASSL_API int CyaSSL_EVP_MD_CTX_cleanup(CYASSL_EVP_MD_CTX* ctx);
CYASSL_API int CyaSSL_EVP_DigestInit(CYASSL_EVP_MD_CTX* ctx,
const CYASSL_EVP_MD* type);
CYASSL_API int CyaSSL_EVP_DigestUpdate(CYASSL_EVP_MD_CTX* ctx, const void* data,
unsigned long sz);
CYASSL_API int CyaSSL_EVP_DigestFinal(CYASSL_EVP_MD_CTX* ctx, unsigned char* md,
unsigned int* s);
CYASSL_API int CyaSSL_EVP_DigestFinal_ex(CYASSL_EVP_MD_CTX* ctx,
unsigned char* md, unsigned int* s);
CYASSL_API int CyaSSL_EVP_BytesToKey(const CYASSL_EVP_CIPHER*,
const CYASSL_EVP_MD*, const unsigned char*,
const unsigned char*, int, int, unsigned char*,
unsigned char*);
CYASSL_API void CyaSSL_EVP_CIPHER_CTX_init(CYASSL_EVP_CIPHER_CTX* ctx);
CYASSL_API int CyaSSL_EVP_CIPHER_CTX_cleanup(CYASSL_EVP_CIPHER_CTX* ctx);
CYASSL_API int CyaSSL_EVP_CIPHER_CTX_iv_length(const CYASSL_EVP_CIPHER_CTX*);
CYASSL_API int CyaSSL_EVP_CipherInit(CYASSL_EVP_CIPHER_CTX* ctx,
const CYASSL_EVP_CIPHER* type,
unsigned char* key, unsigned char* iv,
int enc);
CYASSL_API int CyaSSL_EVP_CIPHER_CTX_key_length(CYASSL_EVP_CIPHER_CTX* ctx);
CYASSL_API int CyaSSL_EVP_CIPHER_CTX_set_key_length(CYASSL_EVP_CIPHER_CTX* ctx,
int keylen);
CYASSL_API int CyaSSL_EVP_Cipher(CYASSL_EVP_CIPHER_CTX* ctx,
unsigned char* dst, unsigned char* src,
unsigned int len);
CYASSL_API const CYASSL_EVP_MD* CyaSSL_EVP_get_digestbynid(int);
CYASSL_API CYASSL_RSA* CyaSSL_EVP_PKEY_get1_RSA(CYASSL_EVP_PKEY*);
CYASSL_API CYASSL_DSA* CyaSSL_EVP_PKEY_get1_DSA(CYASSL_EVP_PKEY*);
/* these next ones don't need real OpenSSL type, for OpenSSH compat only */
CYASSL_API void* CyaSSL_EVP_X_STATE(const CYASSL_EVP_CIPHER_CTX* ctx);
CYASSL_API int CyaSSL_EVP_X_STATE_LEN(const CYASSL_EVP_CIPHER_CTX* ctx);
CYASSL_API void CyaSSL_3des_iv(CYASSL_EVP_CIPHER_CTX* ctx, int doset,
unsigned char* iv, int len);
CYASSL_API void CyaSSL_aes_ctr_iv(CYASSL_EVP_CIPHER_CTX* ctx, int doset,
unsigned char* iv, int len);
CYASSL_API int CyaSSL_StoreExternalIV(CYASSL_EVP_CIPHER_CTX* ctx);
CYASSL_API int CyaSSL_SetInternalIV(CYASSL_EVP_CIPHER_CTX* ctx);
/* end OpenSSH compat */
typedef CYASSL_EVP_MD EVP_MD;
typedef CYASSL_EVP_CIPHER EVP_CIPHER;
typedef CYASSL_EVP_MD_CTX EVP_MD_CTX;
typedef CYASSL_EVP_CIPHER_CTX EVP_CIPHER_CTX;
#define EVP_md5 CyaSSL_EVP_md5
#define EVP_sha1 CyaSSL_EVP_sha1
#define EVP_sha256 CyaSSL_EVP_sha256
#define EVP_sha384 CyaSSL_EVP_sha384
#define EVP_sha512 CyaSSL_EVP_sha512
#define EVP_ripemd160 CyaSSL_EVP_ripemd160
#define EVP_aes_128_cbc CyaSSL_EVP_aes_128_cbc
#define EVP_aes_192_cbc CyaSSL_EVP_aes_192_cbc
#define EVP_aes_256_cbc CyaSSL_EVP_aes_256_cbc
#define EVP_aes_128_ctr CyaSSL_EVP_aes_128_ctr
#define EVP_aes_192_ctr CyaSSL_EVP_aes_192_ctr
#define EVP_aes_256_ctr CyaSSL_EVP_aes_256_ctr
#define EVP_des_cbc CyaSSL_EVP_des_cbc
#define EVP_des_ede3_cbc CyaSSL_EVP_des_ede3_cbc
#define EVP_rc4 CyaSSL_EVP_rc4
#define EVP_enc_null CyaSSL_EVP_enc_null
#define EVP_MD_size CyaSSL_EVP_MD_size
#define EVP_MD_CTX_init CyaSSL_EVP_MD_CTX_init
#define EVP_MD_CTX_cleanup CyaSSL_EVP_MD_CTX_cleanup
#define EVP_DigestInit CyaSSL_EVP_DigestInit
#define EVP_DigestUpdate CyaSSL_EVP_DigestUpdate
#define EVP_DigestFinal CyaSSL_EVP_DigestFinal
#define EVP_DigestFinal_ex CyaSSL_EVP_DigestFinal_ex
#define EVP_BytesToKey CyaSSL_EVP_BytesToKey
#define EVP_CIPHER_CTX_init CyaSSL_EVP_CIPHER_CTX_init
#define EVP_CIPHER_CTX_cleanup CyaSSL_EVP_CIPHER_CTX_cleanup
#define EVP_CIPHER_CTX_iv_length CyaSSL_EVP_CIPHER_CTX_iv_length
#define EVP_CIPHER_CTX_key_length CyaSSL_EVP_CIPHER_CTX_key_length
#define EVP_CIPHER_CTX_set_key_length CyaSSL_EVP_CIPHER_CTX_set_key_length
#define EVP_CipherInit CyaSSL_EVP_CipherInit
#define EVP_Cipher CyaSSL_EVP_Cipher
#define EVP_get_digestbynid CyaSSL_EVP_get_digestbynid
#define EVP_PKEY_get1_RSA CyaSSL_EVP_PKEY_get1_RSA
#define EVP_PKEY_get1_DSA CyaSSL_EVP_PKEY_get1_DSA
#ifndef EVP_MAX_MD_SIZE
#define EVP_MAX_MD_SIZE 64 /* sha512 */
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* CYASSL_EVP_H_ */