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Diffstat (limited to 'include/asterisk/aes.h')
| -rw-r--r-- | include/asterisk/aes.h | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/include/asterisk/aes.h b/include/asterisk/aes.h deleted file mode 100644 index af648e8ee..000000000 --- a/include/asterisk/aes.h +++ /dev/null @@ -1,170 +0,0 @@ -/* - * Asterisk -- An open source telephony toolkit. - * - * See http://www.asterisk.org for more information about - * the Asterisk project. Please do not directly contact - * any of the maintainers of this project for assistance; - * the project provides a web site, mailing lists and IRC - * channels for your use. - */ - -/* - --------------------------------------------------------------------------- - Copyright (c) 2003, Dr Brian Gladman <brg@gladman.me.uk>, Worcester, UK. - All rights reserved. - - LICENSE TERMS - - The free distribution and use of this software in both source and binary - form is allowed (with or without changes) provided that: - - 1. distributions of this source code include the above copyright - notice, this list of conditions and the following disclaimer; - - 2. distributions in binary form include the above copyright - notice, this list of conditions and the following disclaimer - in the documentation and/or other associated materials; - - 3. the copyright holder's name is not used to endorse products - built using this software without specific written permission. - - ALTERNATIVELY, provided that this notice is retained in full, this product - may be distributed under the terms of the GNU General Public License (GPL), - in which case the provisions of the GPL apply INSTEAD OF those given above. - - DISCLAIMER - - This software is provided 'as is' with no explicit or implied warranties - in respect of its properties, including, but not limited to, correctness - and/or fitness for purpose. - --------------------------------------------------------------------------- - Issue Date: 26/08/2003 -*/ -/*!\file - - \brief This file contains the definitions required to use AES in C. See aesopt.h - for optimisation details. -*/ - -#ifndef _AES_H -#define _AES_H - -/* This include is used to find 8 & 32 bit unsigned integer types */ -#include "limits.h" - -#if defined(__cplusplus) -extern "C" -{ -#endif - -#define AES_128 /* define if AES with 128 bit keys is needed */ -#undef AES_192 /* define if AES with 192 bit keys is needed */ -#undef AES_256 /* define if AES with 256 bit keys is needed */ -#undef AES_VAR /* define if a variable key size is needed */ - -/* The following must also be set in assembler files if being used */ - -#define AES_ENCRYPT /* if support for encryption is needed */ -#define AES_DECRYPT /* if support for decryption is needed */ -#define AES_ERR_CHK /* for parameter checks & error return codes */ - -#if UCHAR_MAX == 0xff /* an unsigned 8 bit type */ - typedef unsigned char aes_08t; -#else -#error Please define aes_08t as an 8-bit unsigned integer type in aes.h -#endif - -#if UINT_MAX == 0xffffffff /* an unsigned 32 bit type */ - typedef unsigned int aes_32t; -#elif ULONG_MAX == 0xffffffff - typedef unsigned long aes_32t; -#else -#error Please define aes_32t as a 32-bit unsigned integer type in aes.h -#endif - -#define AES_BLOCK_SIZE 16 /* the AES block size in bytes */ -#define N_COLS 4 /* the number of columns in the state */ - -/* a maximum of 60 32-bit words are needed for the key schedule but */ -/* 64 are claimed to allow space at the top for a CBC xor buffer. */ -/* If this is not needed, this value can be reduced to 60. A value */ -/* of 64 may also help in maintaining alignment in some situations */ -#define KS_LENGTH 64 - -#ifdef AES_ERR_CHK -#define aes_ret int -#define aes_good 0 -#define aes_error -1 -#else -#define aes_ret void -#endif - -#ifndef AES_DLL /* implement normal/DLL functions */ -#define aes_rval aes_ret -#else -#define aes_rval aes_ret __declspec(dllexport) _stdcall -#endif - -/* This routine must be called before first use if non-static */ -/* tables are being used */ - -void gen_tabs(void); - -/* The key length (klen) is input in bytes when it is in the range */ -/* 16 <= klen <= 32 or in bits when in the range 128 <= klen <= 256 */ - -#ifdef AES_ENCRYPT - -typedef struct -{ aes_32t ks[KS_LENGTH]; -} aes_encrypt_ctx; - -#if defined(AES_128) || defined(AES_VAR) -aes_rval aes_encrypt_key128(const void *in_key, aes_encrypt_ctx cx[1]); -#endif - -#if defined(AES_192) || defined(AES_VAR) -aes_rval aes_encrypt_key192(const void *in_key, aes_encrypt_ctx cx[1]); -#endif - -#if defined(AES_256) || defined(AES_VAR) -aes_rval aes_encrypt_key256(const void *in_key, aes_encrypt_ctx cx[1]); -#endif - -#if defined(AES_VAR) -aes_rval aes_encrypt_key(const void *in_key, int key_len, aes_encrypt_ctx cx[1]); -#endif - -aes_rval aes_encrypt(const void *in_blk, void *out_blk, const aes_encrypt_ctx cx[1]); -#endif - -#ifdef AES_DECRYPT - -typedef struct -{ aes_32t ks[KS_LENGTH]; -} aes_decrypt_ctx; - -#if defined(AES_128) || defined(AES_VAR) -aes_rval aes_decrypt_key128(const void *in_key, aes_decrypt_ctx cx[1]); -#endif - -#if defined(AES_192) || defined(AES_VAR) -aes_rval aes_decrypt_key192(const void *in_key, aes_decrypt_ctx cx[1]); -#endif - -#if defined(AES_256) || defined(AES_VAR) -aes_rval aes_decrypt_key256(const void *in_key, aes_decrypt_ctx cx[1]); -#endif - -#if defined(AES_VAR) -aes_rval aes_decrypt_key(const void *in_key, int key_len, aes_decrypt_ctx cx[1]); -#endif - -aes_rval aes_decrypt(const void *in_blk, void *out_blk, const aes_decrypt_ctx cx[1]); -#endif - -#if defined(__cplusplus) -} -#endif - -#endif |