/*
?*?Advanced?Encryption?Standard
?*?@author?Dani?Huertas
?*?@email?huertas.dani@gmail.com
?*
?*?based?on?the?document?FIPS?PUB?197
?*/
#include?
#include?
#include?

/*
?*?Addition?in?GF（2^8）
?*?http://en.wikipedia.org/wiki/Finite_field_arithmetic
?*/
uint8_t?gadd（uint8_t?a?uint8_t?b）?{
	return?a^b;
}

/*
?*?Subtraction?in?GF（2^8）
?*?http://en.wikipedia.org/wiki/Finite_field_arithmetic
?*/
uint8_t?gsub（uint8_t?a?uint8_t?b）?{
	return?a^b;
}

/*
?*?Multiplication?in?GF（2^8）
?*?http://en.wikipedia.org/wiki/Finite_field_arithmetic
?*?Irreducible?polynomial?m（x）?=?x8?+?x4?+?x3?+?x?+?1
?*/
uint8_t?gmult（uint8_t?a?uint8_t?b）?{

	uint8_t?p?=?0?i?=?0?hbs?=?0;

	for?（i?=?0;?i?		if?（b?&?1）?{
			p?^=?a;
		}

		hbs?=?a?&?0x80;
		a?<<=?1;
		if?（hbs）?a?^=?0x1b;?//?0000?0001?0001?1011	
		b?>>=?1;
	}

	return?（uint8_t）p;
}

/*
?*?Addition?of?4?byte?words
?*?m（x）?=?x4+1
?*/
void?coef_add（uint8_t?a[]?uint8_t?b[]?uint8_t?d[]）?{

	d[0]?=?a[0]^b[0];
	d[1]?=?a[1]^b[1];
	d[2]?=?a[2]^b[2];
	d[3]?=?a[3]^b[3];
}

/*
?*?Multiplication?of?4?byte?words
?*?m（x）?=?x4+1
?*/
void?coef_mult（uint8_t?*a?uint8_t?*b?uint8_t?*d）?{

	d[0]?=?gmult（a[0]b[0]）^gmult（a[3]b[1]）^gmult（a[2]b[2]）^gmult（a[1]b[3]）;
	d[1]?=?gmult（a[1]b[0]）^gmult（a[0]b[1]）^gmult（a[3]b[2]）^gmult（a[2]b[3]）;
	d[2]?=?gmult（a[2]b[0]）^gmult（a[1]b[1]）^gmult（a[0]b[2]）^gmult（a[3]b[3]）;
	d[3]?=?gmult（a[3]b[0]）^gmult（a[2]b[1]）^gmult（a[1]b[2]）^gmult（a[0]b[3]）;
}

/*
?*?The?cipher?Key.	
?*/
int?K;

/*
?*?Number?of?columns?（32-bit?words）?comprising?the?State.?For?this?
?*?standard?Nb?=?4.
?*/
int?Nb?=?4;

/*
?*?Number?of?32-bit?words?comprising?the?Cipher?Key.?For?this?
?*?standard?Nk?=?4?6?or?8.
?*/
int?Nk;

/*
?*?Number?of?rounds?which?is?a?function?of??Nk??and??Nb?（which?is?
?*?fixed）.?For?this?standard?Nr?=?10?12?or?14.
?*/
int?Nr;

/*
?*?S-box?transformation?table
?*/
static?uint8_t?s_box[256]?=?{
	//?0?????1?????2?????3?????4?????5?????6?????7?????8?????9?????a?????b?????c?????d?????e?????f
	0x63?0x7c?0x77?0x7b?0xf2?0x6b?0x6f?0xc5?0x30?0x01?0x67?0x2b?0xfe?0xd7?0xab?0x76?//?0
	0xca?0x82?0xc9?0x7d?0xfa?0x59?0x47?0xf0?0xad?0xd4?0xa2?0xaf?0x9c?0xa4?0x72?0xc0?//?1
	0xb7?0xfd?0x93?0x26?0x36?0x3f?0xf7?0xcc?0x34?0xa5?0xe5?0xf1?0x71?0xd8?0x31?0x15?//?2
	0x04?0xc7?0x23?0xc3?0x18?0x96?0x05?0x9a?0x07?0x12?0x80?0xe2?0xeb?0x27?0xb2?0x75?//?3
	0x09?0x83?0x2c?0x1a?0x1b?0x6e?0x5a?0xa0?0x52?0x3b?0xd6?0xb3?0x29?0xe3?0x2f?0x84?//?4
	0x53?0xd1?0x00?0xed?0x20?0xfc?0xb1?0x5b?0x6a?0xcb?0xbe?0x39?0x4a?0x4c?0x58?0xcf?//?5
	0xd0?0xef?0xaa?0xfb?0x43?0x4d?0x33?0x85?0x45?0xf9?0x02?0x7f?0x50?0x3c?0x9f?0xa8?//?6
	0x51?0xa3?0x40?0x8f?0x92?0x9d?0x38?0xf5?0xbc?0xb6?0xda?0x21?0x10?0xff?0xf3?0xd2?//?7
	0xcd?0x0c?0x13?0xec?0x5f?0x97?0x44?0x17?0xc4?0xa7?0x7e?0x3d?0x64?0x5d?0x19?0x73?//?8
	0x60?0x81?0x4f?0xdc?0x22?0x2a?0x90?0x88?0x46?0xee

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-04-06?13:49??aes-master\
?????文件????????1303??2018-03-31?22:29??aes-master\LICENSE
?????文件????????4717??2018-03-31?22:29??aes-master\README.md
?????目錄???????????0??2018-03-31?22:33??aes-master\src\
?????目錄???????????0??2018-03-31?22:33??aes-master\src\aes_c\
?????文件???????18357??2018-03-31?22:29??aes-master\src\aes_c\a.out
?????文件???????13550??2018-03-31?22:29??aes-master\src\aes_c\aes_c.c
?????目錄???????????0??2018-03-31?22:33??aes-master\src\db\
?????文件??????437731??2018-03-31?22:29??aes-master\src\db\sc.sdb
?????文件?????4453603??2018-03-31?22:29??aes-master\src\db\sc_max.db
?????文件?????4401067??2018-03-31?22:29??aes-master\src\db\sc_min.db
?????目錄???????????0??2018-03-31?22:33??aes-master\src\model\
?????目錄???????????0??2018-03-31?22:33??aes-master\src\model\python\
?????文件???????32894??2018-03-31?22:29??aes-master\src\model\python\aes.py
?????文件???????22825??2018-03-31?22:29??aes-master\src\model\python\aes_key_gen.py
?????文件???????23929??2018-03-31?22:29??aes-master\src\model\python\rcon.py
?????目錄???????????0??2018-03-31?22:33??aes-master\src\rtl\
?????文件????????8480??2018-03-31?22:29??aes-master\src\rtl\aes.v
?????文件???????10460??2018-03-31?22:29??aes-master\src\rtl\aes_core.v
?????文件???????15533??2018-03-31?22:29??aes-master\src\rtl\aes_decipher_block.v
?????文件???????14365??2018-03-31?22:29??aes-master\src\rtl\aes_encipher_block.v
?????文件???????11448??2018-03-31?22:29??aes-master\src\rtl\aes_inv_sbox.v
?????文件???????12671??2018-03-31?22:29??aes-master\src\rtl\aes_key_mem.v
?????文件???????10466??2018-03-31?22:29??aes-master\src\rtl\aes_sbox.v
?????目錄???????????0??2018-03-31?22:33??aes-master\src\simc\
?????文件?????????747??2018-03-31?22:29??aes-master\src\simc\Modify_SDF_2_1.pl
?????文件??????426505??2018-03-31?22:29??aes-master\src\simc\smic13.v
?????文件?????6469912??2018-03-31?22:29??aes-master\src\simc\smic13_ff.db
?????文件????17382084??2018-03-31?22:29??aes-master\src\simc\smic13_ff.lib
?????文件?????6469913??2018-03-31?22:29??aes-master\src\simc\smic13_ss.db
?????文件????17256941??2018-03-31?22:29??aes-master\src\simc\smic13_ss.lib
............此處省略183個文件信息