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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,175 +1,175 @@ | ||
| /* | ||
| --------------------------------------------------------------------------- | ||
| Copyright (c) 2003, Dr Brian Gladman, 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 28/01/2004 | ||
| This file contains the definitions required to use AES in C. See aesopt.h | ||
| for optimisation details. | ||
| */ | ||
|
|
||
| #if !defined( _AES_H ) | ||
| #define _AES_H | ||
|
|
||
| /* This include is used to find 8 & 32 bit unsigned integer types */ | ||
| #include <machine/limits.h> | ||
|
|
||
| #if defined(__cplusplus) | ||
| extern "C" | ||
| { | ||
| #endif | ||
|
|
||
| #define AES_128 /* define if AES with 128 bit keys is needed */ | ||
| #define AES_192 /* define if AES with 192 bit keys is needed */ | ||
| #define AES_256 /* define if AES with 256 bit keys is needed */ | ||
| #define 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 == 4294967295 /* an unsigned 32 bit type */ | ||
| typedef unsigned int aes_32t; | ||
| #elif ULONG_MAX == 4294967295ul | ||
| 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 */ | ||
|
|
||
| /* The key schedule length is 11, 13 or 15 16-byte blocks for 128, */ | ||
| /* 192 or 256-bit keys respectively. That is 176, 208 or 240 bytes */ | ||
| /* or 44, 52 or 60 32-bit words. For simplicity this code allocates */ | ||
| /* the maximum 60 word array for the key schedule for all key sizes */ | ||
|
|
||
| #if defined( AES_VAR ) || defined( AES_256 ) | ||
| #define KS_LENGTH 60 | ||
| #elif defined( AES_192 ) | ||
| #define KS_LENGTH 52 | ||
| #else | ||
| #define KS_LENGTH 44 | ||
| #endif | ||
|
|
||
| #if defined( AES_ERR_CHK ) | ||
| #define aes_ret int | ||
| #define aes_good 0 | ||
| #define aes_error -1 | ||
| #else | ||
| #define aes_ret void | ||
| #endif | ||
|
|
||
| #if !defined( AES_DLL ) /* implement normal/DLL functions */ | ||
| #define aes_rval aes_ret | ||
| #else | ||
| #define aes_rval aes_ret __declspec(dllexport) _stdcall | ||
| #endif | ||
|
|
||
| typedef struct | ||
| { aes_32t ks[KS_LENGTH]; | ||
| aes_32t rn; | ||
| } aes_encrypt_ctx; | ||
|
|
||
| typedef struct | ||
| { aes_32t ks[KS_LENGTH]; | ||
| aes_32t rn; | ||
| } aes_decrypt_ctx; | ||
|
|
||
| typedef struct | ||
| { | ||
| aes_decrypt_ctx decrypt; | ||
| aes_encrypt_ctx encrypt; | ||
| } aes_ctx; | ||
|
|
||
|
|
||
| /* 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 */ | ||
|
|
||
| #if defined( AES_ENCRYPT ) | ||
|
|
||
| #if defined(AES_128) || defined(AES_VAR) | ||
| aes_rval aes_encrypt_key128(const unsigned char *in_key, aes_encrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| #if defined(AES_192) || defined(AES_VAR) | ||
| aes_rval aes_encrypt_key192(const unsigned char *in_key, aes_encrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| #if defined(AES_256) || defined(AES_VAR) | ||
| aes_rval aes_encrypt_key256(const unsigned char *in_key, aes_encrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| #if defined(AES_VAR) | ||
| aes_rval aes_encrypt_key(const unsigned char *in_key, int key_len, aes_encrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| aes_rval aes_encrypt_cbc(const unsigned char *in_blk, const unsigned char *in_iv, unsigned int num_blk, | ||
| unsigned char *out_blk, const aes_encrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| #if defined( AES_DECRYPT ) | ||
|
|
||
| #if defined(AES_128) || defined(AES_VAR) | ||
| aes_rval aes_decrypt_key128(const unsigned char *in_key, aes_decrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| #if defined(AES_192) || defined(AES_VAR) | ||
| aes_rval aes_decrypt_key192(const unsigned char *in_key, aes_decrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| #if defined(AES_256) || defined(AES_VAR) | ||
| aes_rval aes_decrypt_key256(const unsigned char *in_key, aes_decrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| #if defined(AES_VAR) | ||
| aes_rval aes_decrypt_key(const unsigned char *in_key, int key_len, aes_decrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| aes_rval aes_decrypt_cbc(const unsigned char *in_blk, const unsigned char *in_iv, unsigned int num_blk, | ||
| unsigned char *out_blk, const aes_decrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| #if defined(__cplusplus) | ||
| } | ||
| #endif | ||
|
|
||
| #endif | ||
| /* | ||
| --------------------------------------------------------------------------- | ||
| Copyright (c) 2003, Dr Brian Gladman, 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 28/01/2004 | ||
| This file contains the definitions required to use AES in C. See aesopt.h | ||
| for optimisation details. | ||
| */ | ||
|
|
||
| #if !defined( _AES_H ) | ||
| #define _AES_H | ||
|
|
||
| /* This include is used to find 8 & 32 bit unsigned integer types */ | ||
| #include <machine/limits.h> | ||
|
|
||
| #if defined(__cplusplus) | ||
| extern "C" | ||
| { | ||
| #endif | ||
|
|
||
| #define AES_128 /* define if AES with 128 bit keys is needed */ | ||
| #define AES_192 /* define if AES with 192 bit keys is needed */ | ||
| #define AES_256 /* define if AES with 256 bit keys is needed */ | ||
| #define 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 == 4294967295 /* an unsigned 32 bit type */ | ||
| typedef unsigned int aes_32t; | ||
| #elif ULONG_MAX == 4294967295ul | ||
| 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 */ | ||
|
|
||
| /* The key schedule length is 11, 13 or 15 16-byte blocks for 128, */ | ||
| /* 192 or 256-bit keys respectively. That is 176, 208 or 240 bytes */ | ||
| /* or 44, 52 or 60 32-bit words. For simplicity this code allocates */ | ||
| /* the maximum 60 word array for the key schedule for all key sizes */ | ||
|
|
||
| #if defined( AES_VAR ) || defined( AES_256 ) | ||
| #define KS_LENGTH 60 | ||
| #elif defined( AES_192 ) | ||
| #define KS_LENGTH 52 | ||
| #else | ||
| #define KS_LENGTH 44 | ||
| #endif | ||
|
|
||
| #if defined( AES_ERR_CHK ) | ||
| #define aes_ret int | ||
| #define aes_good 0 | ||
| #define aes_error -1 | ||
| #else | ||
| #define aes_ret void | ||
| #endif | ||
|
|
||
| #if !defined( AES_DLL ) /* implement normal/DLL functions */ | ||
| #define aes_rval aes_ret | ||
| #else | ||
| #define aes_rval aes_ret __declspec(dllexport) _stdcall | ||
| #endif | ||
|
|
||
| typedef struct | ||
| { aes_32t ks[KS_LENGTH]; | ||
| aes_32t rn; | ||
| } aes_encrypt_ctx; | ||
|
|
||
| typedef struct | ||
| { aes_32t ks[KS_LENGTH]; | ||
| aes_32t rn; | ||
| } aes_decrypt_ctx; | ||
|
|
||
| typedef struct | ||
| { | ||
| aes_decrypt_ctx decrypt; | ||
| aes_encrypt_ctx encrypt; | ||
| } aes_ctx; | ||
|
|
||
|
|
||
| /* 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 */ | ||
|
|
||
| #if defined( AES_ENCRYPT ) | ||
|
|
||
| #if defined(AES_128) || defined(AES_VAR) | ||
| aes_rval aes_encrypt_key128(const unsigned char *in_key, aes_encrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| #if defined(AES_192) || defined(AES_VAR) | ||
| aes_rval aes_encrypt_key192(const unsigned char *in_key, aes_encrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| #if defined(AES_256) || defined(AES_VAR) | ||
| aes_rval aes_encrypt_key256(const unsigned char *in_key, aes_encrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| #if defined(AES_VAR) | ||
| aes_rval aes_encrypt_key(const unsigned char *in_key, int key_len, aes_encrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| aes_rval aes_encrypt_cbc(const unsigned char *in_blk, const unsigned char *in_iv, unsigned int num_blk, | ||
| unsigned char *out_blk, const aes_encrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| #if defined( AES_DECRYPT ) | ||
|
|
||
| #if defined(AES_128) || defined(AES_VAR) | ||
| aes_rval aes_decrypt_key128(const unsigned char *in_key, aes_decrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| #if defined(AES_192) || defined(AES_VAR) | ||
| aes_rval aes_decrypt_key192(const unsigned char *in_key, aes_decrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| #if defined(AES_256) || defined(AES_VAR) | ||
| aes_rval aes_decrypt_key256(const unsigned char *in_key, aes_decrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| #if defined(AES_VAR) | ||
| aes_rval aes_decrypt_key(const unsigned char *in_key, int key_len, aes_decrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| aes_rval aes_decrypt_cbc(const unsigned char *in_blk, const unsigned char *in_iv, unsigned int num_blk, | ||
| unsigned char *out_blk, const aes_decrypt_ctx cx[1]); | ||
| #endif | ||
|
|
||
| #if defined(__cplusplus) | ||
| } | ||
| #endif | ||
|
|
||
| #endif |
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