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/* evp.h
*
* Copyright (C) 2015 wolfSSL Inc.
*
* This file is part of wolfSSL. (formerly known as CyaSSL)
*
* wolfSSL 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.
*
* wolfSSL 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/* evp.h defines mini evp openssl compatibility layer
*
*/
#ifndef WOLFSSL_EVP_H_
#define WOLFSSL_EVP_H_
#include <wolfssl/wolfcrypt/settings.h>
#ifdef WOLFSSL_PREFIX
#include "prefix_evp.h"
#endif
#ifndef NO_MD5
#include <wolfssl/openssl/md5.h>
#endif
#include <wolfssl/openssl/sha.h>
#include <wolfssl/openssl/ripemd.h>
#include <wolfssl/openssl/rsa.h>
#include <wolfssl/openssl/dsa.h>
#include <wolfssl/wolfcrypt/aes.h>
#include <wolfssl/wolfcrypt/des3.h>
#include <wolfssl/wolfcrypt/arc4.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef char WOLFSSL_EVP_MD;
typedef char WOLFSSL_EVP_CIPHER;
#ifndef NO_MD5
WOLFSSL_API const WOLFSSL_EVP_MD* wolfSSL_EVP_md5(void);
#endif
WOLFSSL_API const WOLFSSL_EVP_MD* wolfSSL_EVP_sha1(void);
WOLFSSL_API const WOLFSSL_EVP_MD* wolfSSL_EVP_sha256(void);
WOLFSSL_API const WOLFSSL_EVP_MD* wolfSSL_EVP_sha384(void);
WOLFSSL_API const WOLFSSL_EVP_MD* wolfSSL_EVP_sha512(void);
WOLFSSL_API const WOLFSSL_EVP_MD* wolfSSL_EVP_ripemd160(void);
WOLFSSL_API const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_aes_128_cbc(void);
WOLFSSL_API const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_aes_192_cbc(void);
WOLFSSL_API const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_aes_256_cbc(void);
WOLFSSL_API const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_aes_128_ctr(void);
WOLFSSL_API const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_aes_192_ctr(void);
WOLFSSL_API const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_aes_256_ctr(void);
WOLFSSL_API const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_des_cbc(void);
WOLFSSL_API const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_des_ede3_cbc(void);
WOLFSSL_API const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_rc4(void);
WOLFSSL_API const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_enc_null(void);
typedef union {
#ifndef NO_MD5
WOLFSSL_MD5_CTX md5;
#endif
WOLFSSL_SHA_CTX sha;
WOLFSSL_SHA256_CTX sha256;
#ifdef WOLFSSL_SHA384
WOLFSSL_SHA384_CTX sha384;
#endif
#ifdef WOLFSSL_SHA512
WOLFSSL_SHA512_CTX sha512;
#endif
#ifdef WOLFSSL_RIPEMD
WOLFSSL_RIPEMD_CTX ripemd;
#endif
} WOLFSSL_Hasher;
typedef struct WOLFSSL_EVP_MD_CTX {
unsigned char macType;
WOLFSSL_Hasher hash;
} WOLFSSL_EVP_MD_CTX;
typedef union {
#ifndef NO_AES
Aes aes;
#endif
#ifndef NO_DES3
Des des;
Des3 des3;
#endif
Arc4 arc4;
} WOLFSSL_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 WOLFSSL_EVP_CIPHER_CTX {
int keyLen; /* user may set for variable */
unsigned char enc; /* if encrypt side, then true */
unsigned char cipherType;
#ifndef NO_AES
unsigned char iv[AES_BLOCK_SIZE]; /* working iv pointer into cipher */
#elif !defined(NO_DES3)
unsigned char iv[DES_BLOCK_SIZE]; /* working iv pointer into cipher */
#endif
WOLFSSL_Cipher cipher;
} WOLFSSL_EVP_CIPHER_CTX;
WOLFSSL_API int wolfSSL_EVP_MD_size(const WOLFSSL_EVP_MD* md);
WOLFSSL_API void wolfSSL_EVP_MD_CTX_init(WOLFSSL_EVP_MD_CTX* ctx);
WOLFSSL_API int wolfSSL_EVP_MD_CTX_cleanup(WOLFSSL_EVP_MD_CTX* ctx);
WOLFSSL_API int wolfSSL_EVP_DigestInit(WOLFSSL_EVP_MD_CTX* ctx,
const WOLFSSL_EVP_MD* type);
WOLFSSL_API int wolfSSL_EVP_DigestUpdate(WOLFSSL_EVP_MD_CTX* ctx, const void* data,
unsigned long sz);
WOLFSSL_API int wolfSSL_EVP_DigestFinal(WOLFSSL_EVP_MD_CTX* ctx, unsigned char* md,
unsigned int* s);
WOLFSSL_API int wolfSSL_EVP_DigestFinal_ex(WOLFSSL_EVP_MD_CTX* ctx,
unsigned char* md, unsigned int* s);
#ifndef NO_MD5
WOLFSSL_API int wolfSSL_EVP_BytesToKey(const WOLFSSL_EVP_CIPHER*,
const WOLFSSL_EVP_MD*, const unsigned char*,
const unsigned char*, int, int, unsigned char*,
unsigned char*);
#endif
WOLFSSL_API void wolfSSL_EVP_CIPHER_CTX_init(WOLFSSL_EVP_CIPHER_CTX* ctx);
WOLFSSL_API int wolfSSL_EVP_CIPHER_CTX_cleanup(WOLFSSL_EVP_CIPHER_CTX* ctx);
WOLFSSL_API int wolfSSL_EVP_CIPHER_CTX_iv_length(const WOLFSSL_EVP_CIPHER_CTX*);
WOLFSSL_API int wolfSSL_EVP_CipherInit(WOLFSSL_EVP_CIPHER_CTX* ctx,
const WOLFSSL_EVP_CIPHER* type,
unsigned char* key, unsigned char* iv,
int enc);
WOLFSSL_API int wolfSSL_EVP_CIPHER_CTX_key_length(WOLFSSL_EVP_CIPHER_CTX* ctx);
WOLFSSL_API int wolfSSL_EVP_CIPHER_CTX_set_key_length(WOLFSSL_EVP_CIPHER_CTX* ctx,
int keylen);
WOLFSSL_API int wolfSSL_EVP_Cipher(WOLFSSL_EVP_CIPHER_CTX* ctx,
unsigned char* dst, unsigned char* src,
unsigned int len);
WOLFSSL_API const WOLFSSL_EVP_MD* wolfSSL_EVP_get_digestbynid(int);
WOLFSSL_API WOLFSSL_RSA* wolfSSL_EVP_PKEY_get1_RSA(WOLFSSL_EVP_PKEY*);
WOLFSSL_API WOLFSSL_DSA* wolfSSL_EVP_PKEY_get1_DSA(WOLFSSL_EVP_PKEY*);
/* these next ones don't need real OpenSSL type, for OpenSSH compat only */
WOLFSSL_API void* wolfSSL_EVP_X_STATE(const WOLFSSL_EVP_CIPHER_CTX* ctx);
WOLFSSL_API int wolfSSL_EVP_X_STATE_LEN(const WOLFSSL_EVP_CIPHER_CTX* ctx);
WOLFSSL_API void wolfSSL_3des_iv(WOLFSSL_EVP_CIPHER_CTX* ctx, int doset,
unsigned char* iv, int len);
WOLFSSL_API void wolfSSL_aes_ctr_iv(WOLFSSL_EVP_CIPHER_CTX* ctx, int doset,
unsigned char* iv, int len);
WOLFSSL_API int wolfSSL_StoreExternalIV(WOLFSSL_EVP_CIPHER_CTX* ctx);
WOLFSSL_API int wolfSSL_SetInternalIV(WOLFSSL_EVP_CIPHER_CTX* ctx);
/* end OpenSSH compat */
typedef WOLFSSL_EVP_MD EVP_MD;
typedef WOLFSSL_EVP_CIPHER EVP_CIPHER;
typedef WOLFSSL_EVP_MD_CTX EVP_MD_CTX;
typedef WOLFSSL_EVP_CIPHER_CTX EVP_CIPHER_CTX;
#ifndef NO_MD5
#define EVP_md5 wolfSSL_EVP_md5
#endif
#define EVP_sha1 wolfSSL_EVP_sha1
#define EVP_sha256 wolfSSL_EVP_sha256
#define EVP_sha384 wolfSSL_EVP_sha384
#define EVP_sha512 wolfSSL_EVP_sha512
#define EVP_ripemd160 wolfSSL_EVP_ripemd160
#define EVP_aes_128_cbc wolfSSL_EVP_aes_128_cbc
#define EVP_aes_192_cbc wolfSSL_EVP_aes_192_cbc
#define EVP_aes_256_cbc wolfSSL_EVP_aes_256_cbc
#define EVP_aes_128_ctr wolfSSL_EVP_aes_128_ctr
#define EVP_aes_192_ctr wolfSSL_EVP_aes_192_ctr
#define EVP_aes_256_ctr wolfSSL_EVP_aes_256_ctr
#define EVP_des_cbc wolfSSL_EVP_des_cbc
#define EVP_des_ede3_cbc wolfSSL_EVP_des_ede3_cbc
#define EVP_rc4 wolfSSL_EVP_rc4
#define EVP_enc_null wolfSSL_EVP_enc_null
#define EVP_MD_size wolfSSL_EVP_MD_size
#define EVP_MD_CTX_init wolfSSL_EVP_MD_CTX_init
#define EVP_MD_CTX_cleanup wolfSSL_EVP_MD_CTX_cleanup
#define EVP_DigestInit wolfSSL_EVP_DigestInit
#define EVP_DigestUpdate wolfSSL_EVP_DigestUpdate
#define EVP_DigestFinal wolfSSL_EVP_DigestFinal
#define EVP_DigestFinal_ex wolfSSL_EVP_DigestFinal_ex
#define EVP_BytesToKey wolfSSL_EVP_BytesToKey
#define EVP_CIPHER_CTX_init wolfSSL_EVP_CIPHER_CTX_init
#define EVP_CIPHER_CTX_cleanup wolfSSL_EVP_CIPHER_CTX_cleanup
#define EVP_CIPHER_CTX_iv_length wolfSSL_EVP_CIPHER_CTX_iv_length
#define EVP_CIPHER_CTX_key_length wolfSSL_EVP_CIPHER_CTX_key_length
#define EVP_CIPHER_CTX_set_key_length wolfSSL_EVP_CIPHER_CTX_set_key_length
#define EVP_CipherInit wolfSSL_EVP_CipherInit
#define EVP_Cipher wolfSSL_EVP_Cipher
#define EVP_get_digestbynid wolfSSL_EVP_get_digestbynid
#define EVP_PKEY_get1_RSA wolfSSL_EVP_PKEY_get1_RSA
#define EVP_PKEY_get1_DSA wolfSSL_EVP_PKEY_get1_DSA
#ifndef EVP_MAX_MD_SIZE
#define EVP_MAX_MD_SIZE 64 /* sha512 */
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* WOLFSSL_EVP_H_ */