aescpp.h
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/*
---------------------------------------------------------------------------
Copyright (c) 1998-2013, Brian Gladman, Worcester, UK. All rights reserved.
The redistribution and use of this software (with or without changes)
is allowed without the payment of fees or royalties provided that:
source code distributions include the above copyright notice, this
list of conditions and the following disclaimer;
binary distributions include the above copyright notice, this list
of conditions and the following disclaimer in their documentation.
This software is provided 'as is' with no explicit or implied warranties
in respect of its operation, including, but not limited to, correctness
and fitness for purpose.
---------------------------------------------------------------------------
Issue Date: 20/12/2007
This file contains the definitions required to use AES (Rijndael) in C++.
*/
#ifndef _AESCPP_H
#define _AESCPP_H
#include "aes.h"
#if defined( AES_ENCRYPT )
class AESencrypt
{
public:
aes_encrypt_ctx cx[1];
AESencrypt(void) { aes_init(); };
#if defined(AES_128)
AESencrypt(const unsigned char key[])
{ aes_encrypt_key128(key, cx); }
AES_RETURN key128(const unsigned char key[])
{ return aes_encrypt_key128(key, cx); }
#endif
#if defined(AES_192)
AES_RETURN key192(const unsigned char key[])
{ return aes_encrypt_key192(key, cx); }
#endif
#if defined(AES_256)
AES_RETURN key256(const unsigned char key[])
{ return aes_encrypt_key256(key, cx); }
#endif
#if defined(AES_VAR)
AES_RETURN key(const unsigned char key[], int key_len)
{ return aes_encrypt_key(key, key_len, cx); }
#endif
AES_RETURN encrypt(const unsigned char in[], unsigned char out[]) const
{ return aes_encrypt(in, out, cx); }
#ifndef AES_MODES
AES_RETURN ecb_encrypt(const unsigned char in[], unsigned char out[], int nb) const
{ while(nb--)
{ aes_encrypt(in, out, cx), in += AES_BLOCK_SIZE, out += AES_BLOCK_SIZE; }
}
#endif
#ifdef AES_MODES
AES_RETURN mode_reset(void) { return aes_mode_reset(cx); }
AES_RETURN ecb_encrypt(const unsigned char in[], unsigned char out[], int nb) const
{ return aes_ecb_encrypt(in, out, nb, cx); }
AES_RETURN cbc_encrypt(const unsigned char in[], unsigned char out[], int nb,
unsigned char iv[]) const
{ return aes_cbc_encrypt(in, out, nb, iv, cx); }
AES_RETURN cfb_encrypt(const unsigned char in[], unsigned char out[], int nb,
unsigned char iv[])
{ return aes_cfb_encrypt(in, out, nb, iv, cx); }
AES_RETURN cfb_decrypt(const unsigned char in[], unsigned char out[], int nb,
unsigned char iv[])
{ return aes_cfb_decrypt(in, out, nb, iv, cx); }
AES_RETURN ofb_crypt(const unsigned char in[], unsigned char out[], int nb,
unsigned char iv[])
{ return aes_ofb_crypt(in, out, nb, iv, cx); }
typedef void ctr_fn(unsigned char ctr[]);
AES_RETURN ctr_crypt(const unsigned char in[], unsigned char out[], int nb,
unsigned char iv[], ctr_fn cf)
{ return aes_ctr_crypt(in, out, nb, iv, cf, cx); }
#endif
};
#endif
#if defined( AES_DECRYPT )
class AESdecrypt
{
public:
aes_decrypt_ctx cx[1];
AESdecrypt(void) { aes_init(); };
#if defined(AES_128)
AESdecrypt(const unsigned char key[])
{ aes_decrypt_key128(key, cx); }
AES_RETURN key128(const unsigned char key[])
{ return aes_decrypt_key128(key, cx); }
#endif
#if defined(AES_192)
AES_RETURN key192(const unsigned char key[])
{ return aes_decrypt_key192(key, cx); }
#endif
#if defined(AES_256)
AES_RETURN key256(const unsigned char key[])
{ return aes_decrypt_key256(key, cx); }
#endif
#if defined(AES_VAR)
AES_RETURN key(const unsigned char key[], int key_len)
{ return aes_decrypt_key(key, key_len, cx); }
#endif
AES_RETURN decrypt(const unsigned char in[], unsigned char out[]) const
{ return aes_decrypt(in, out, cx); }
#ifndef AES_MODES
AES_RETURN ecb_decrypt(const unsigned char in[], unsigned char out[], int nb) const
{ while(nb--)
{ aes_decrypt(in, out, cx), in += AES_BLOCK_SIZE, out += AES_BLOCK_SIZE; }
}
#endif
#ifdef AES_MODES
AES_RETURN ecb_decrypt(const unsigned char in[], unsigned char out[], int nb) const
{ return aes_ecb_decrypt(in, out, nb, cx); }
AES_RETURN cbc_decrypt(const unsigned char in[], unsigned char out[], int nb,
unsigned char iv[]) const
{ return aes_cbc_decrypt(in, out, nb, iv, cx); }
#endif
};
#endif
#endif
aes_ecb_decrypt
AES_RETURN aes_ecb_decrypt(const unsigned char *ibuf, unsigned char *obuf, int len, const aes_decrypt_ctx cx[1])
Definition: aes_modes.c:199
AESdecrypt
Definition: aescpp.h:97
aes_ofb_crypt
AES_RETURN aes_ofb_crypt(const unsigned char *ibuf, unsigned char *obuf, int len, unsigned char *iv, aes_encrypt_ctx cx[1])
Definition: aes_modes.c:723
AESencrypt::key256
AES_RETURN key256(const unsigned char key[])
Definition: aescpp.h:46
AESencrypt::ofb_crypt
AES_RETURN ofb_crypt(const unsigned char in[], unsigned char out[], int nb, unsigned char iv[])
Definition: aescpp.h:79
AESencrypt::key
AES_RETURN key(const unsigned char key[], int key_len)
Definition: aescpp.h:50
AESencrypt::AESencrypt
AESencrypt(void)
Definition: aescpp.h:34
AESencrypt::cbc_encrypt
AES_RETURN cbc_encrypt(const unsigned char in[], unsigned char out[], int nb, unsigned char iv[]) const
Definition: aescpp.h:67
aes_encrypt_key192
AES_RETURN aes_encrypt_key192(const unsigned char *key, aes_encrypt_ctx cx[1])
aes_decrypt_ctx
Definition: aes.h:90
AESdecrypt::decrypt
AES_RETURN decrypt(const unsigned char in[], unsigned char out[]) const
Definition: aescpp.h:120
AESdecrypt::ecb_decrypt
AES_RETURN ecb_decrypt(const unsigned char in[], unsigned char out[], int nb) const
Definition: aescpp.h:130
AESencrypt::key192
AES_RETURN key192(const unsigned char key[])
Definition: aescpp.h:42
aes_cbc_decrypt
AES_RETURN aes_cbc_decrypt(const unsigned char *ibuf, unsigned char *obuf, int len, unsigned char *iv, const aes_decrypt_ctx cx[1])
Definition: aes_modes.c:358
AESencrypt::ctr_fn
void ctr_fn(unsigned char ctr[])
Definition: aescpp.h:83
AESencrypt::cfb_encrypt
AES_RETURN cfb_encrypt(const unsigned char in[], unsigned char out[], int nb, unsigned char iv[])
Definition: aescpp.h:71
aes_decrypt
AES_RETURN aes_decrypt(const unsigned char *in, unsigned char *out, const aes_decrypt_ctx cx[1])
aes_decrypt_key256
AES_RETURN aes_decrypt_key256(const unsigned char *key, aes_decrypt_ctx cx[1])
aes_encrypt
AES_RETURN aes_encrypt(const unsigned char *in, unsigned char *out, const aes_encrypt_ctx cx[1])
AESencrypt
Definition: aescpp.h:30
AESdecrypt::AESdecrypt
AESdecrypt(void)
Definition: aescpp.h:101
aes_mode_reset
AES_RETURN aes_mode_reset(aes_encrypt_ctx cx[1])
Definition: aes_modes.c:131
AESencrypt::ctr_crypt
AES_RETURN ctr_crypt(const unsigned char in[], unsigned char out[], int nb, unsigned char iv[], ctr_fn cf)
Definition: aescpp.h:85
aes_ctr_crypt
AES_RETURN aes_ctr_crypt(const unsigned char *ibuf, unsigned char *obuf, int len, unsigned char *cbuf, cbuf_inc ctr_inc, aes_encrypt_ctx cx[1])
Definition: aes_modes.c:850
aes_encrypt_key256
AES_RETURN aes_encrypt_key256(const unsigned char *key, aes_encrypt_ctx cx[1])
AESdecrypt::key
AES_RETURN key(const unsigned char key[], int key_len)
Definition: aescpp.h:117
aes_cfb_encrypt
AES_RETURN aes_cfb_encrypt(const unsigned char *ibuf, unsigned char *obuf, int len, unsigned char *iv, aes_encrypt_ctx cx[1])
Definition: aes_modes.c:457
aes.h
aes_encrypt_key
AES_RETURN aes_encrypt_key(const unsigned char *key, int key_len, aes_encrypt_ctx cx[1])
Definition: aeskey.c:528
AESencrypt::encrypt
AES_RETURN encrypt(const unsigned char in[], unsigned char out[]) const
Definition: aescpp.h:53
aes_init
AES_RETURN aes_init(void)
Definition: aestab.c:187
aes_cfb_decrypt
AES_RETURN aes_cfb_decrypt(const unsigned char *ibuf, unsigned char *obuf, int len, unsigned char *iv, aes_encrypt_ctx cx[1])
Definition: aes_modes.c:582
AESencrypt::AESencrypt
AESencrypt(const unsigned char key[])
Definition: aescpp.h:36
AESdecrypt::AESdecrypt
AESdecrypt(const unsigned char key[])
Definition: aescpp.h:103
AESencrypt::cx
aes_encrypt_ctx cx[1]
Definition: aescpp.h:33
AES_BLOCK_SIZE
#define AES_BLOCK_SIZE
Definition: aes.h:48
AES_RETURN
#define AES_RETURN
Definition: aes.h:63
AESencrypt::ecb_encrypt
AES_RETURN ecb_encrypt(const unsigned char in[], unsigned char out[], int nb) const
Definition: aescpp.h:64
aes_ecb_encrypt
AES_RETURN aes_ecb_encrypt(const unsigned char *ibuf, unsigned char *obuf, int len, const aes_encrypt_ctx cx[1])
Definition: aes_modes.c:137
aes_encrypt_ctx
Definition: aes.h:82
AESdecrypt::key256
AES_RETURN key256(const unsigned char key[])
Definition: aescpp.h:113
AESdecrypt::key128
AES_RETURN key128(const unsigned char key[])
Definition: aescpp.h:105
AESencrypt::key128
AES_RETURN key128(const unsigned char key[])
Definition: aescpp.h:38
AESdecrypt::key192
AES_RETURN key192(const unsigned char key[])
Definition: aescpp.h:109
aes_cbc_encrypt
AES_RETURN aes_cbc_encrypt(const unsigned char *ibuf, unsigned char *obuf, int len, unsigned char *iv, const aes_encrypt_ctx cx[1])
Definition: aes_modes.c:261
AESencrypt::cfb_decrypt
AES_RETURN cfb_decrypt(const unsigned char in[], unsigned char out[], int nb, unsigned char iv[])
Definition: aescpp.h:75
aes_decrypt_key192
AES_RETURN aes_decrypt_key192(const unsigned char *key, aes_decrypt_ctx cx[1])
AESdecrypt::cbc_decrypt
AES_RETURN cbc_decrypt(const unsigned char in[], unsigned char out[], int nb, unsigned char iv[]) const
Definition: aescpp.h:133
AESencrypt::mode_reset
AES_RETURN mode_reset(void)
Definition: aescpp.h:62
aes_decrypt_key
AES_RETURN aes_decrypt_key(const unsigned char *key, int key_len, aes_decrypt_ctx cx[1])
Definition: aeskey.c:539
aes_decrypt_key128
AES_RETURN aes_decrypt_key128(const unsigned char *key, aes_decrypt_ctx cx[1])
aes_encrypt_key128
AES_RETURN aes_encrypt_key128(const unsigned char *key, aes_encrypt_ctx cx[1])