1.完整项目描述和程序获取
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2.部分仿真图预览
3.算法概述
AES, 高级加密标准, 是采用区块加密的一种标准, 又称Rijndael加密法. 严格上来讲, AES和Rijndael又不是完全一样, AES的区块长度固定为128比特, 秘钥长度可以是128, 192或者256. Rijndael加密法可以支持更大范围的区块和密钥长度, Rijndael使用的密钥和区块长度均可以是128，192或256比特. AES是对称加密最流行的算法之一.
4.部分源码
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wire [31:0] w0, w1, w2, w3;
reg [127:0] text_in_r;
reg [127:0] text_out;
reg [7:0] sa00, sa01, sa02, sa03;
reg [7:0] sa10, sa11, sa12, sa13;
reg [7:0] sa20, sa21, sa22, sa23;
reg [7:0] sa30, sa31, sa32, sa33;
wire [7:0] sa00_next, sa01_next, sa02_next, sa03_next;
wire [7:0] sa10_next, sa11_next, sa12_next, sa13_next;
wire [7:0] sa20_next, sa21_next, sa22_next, sa23_next;
wire [7:0] sa30_next, sa31_next, sa32_next, sa33_next;
wire [7:0] sa00_sub, sa01_sub, sa02_sub, sa03_sub;
wire [7:0] sa10_sub, sa11_sub, sa12_sub, sa13_sub;
wire [7:0] sa20_sub, sa21_sub, sa22_sub, sa23_sub;
wire [7:0] sa30_sub, sa31_sub, sa32_sub, sa33_sub;
wire [7:0] sa00_sr, sa01_sr, sa02_sr, sa03_sr;
wire [7:0] sa10_sr, sa11_sr, sa12_sr, sa13_sr;
wire [7:0] sa20_sr, sa21_sr, sa22_sr, sa23_sr;
wire [7:0] sa30_sr, sa31_sr, sa32_sr, sa33_sr;
wire [7:0] sa00_mc, sa01_mc, sa02_mc, sa03_mc;
wire [7:0] sa10_mc, sa11_mc, sa12_mc, sa13_mc;
wire [7:0] sa20_mc, sa21_mc, sa22_mc, sa23_mc;
wire [7:0] sa30_mc, sa31_mc, sa32_mc, sa33_mc;
reg done, ld_r;
reg [3:0] dcnt;
....................................................................
aes_key_expand_128 u0(
.clk( clk ),
.kld( ld ),
.key( key ),
.wo_0( w0 ),
.wo_1( w1 ),
.wo_2( w2 ),
.wo_3( w3 ));
aes_sbox us00( .a( sa00 ), .d( sa00_sub ));
aes_sbox us01( .a( sa01 ), .d( sa01_sub ));
aes_sbox us02( .a( sa02 ), .d( sa02_sub ));
aes_sbox us03( .a( sa03 ), .d( sa03_sub ));
aes_sbox us10( .a( sa10 ), .d( sa10_sub ));
aes_sbox us11( .a( sa11 ), .d( sa11_sub ));
aes_sbox us12( .a( sa12 ), .d( sa12_sub ));
aes_sbox us13( .a( sa13 ), .d( sa13_sub ));
aes_sbox us20( .a( sa20 ), .d( sa20_sub ));
aes_sbox us21( .a( sa21 ), .d( sa21_sub ));
aes_sbox us22( .a( sa22 ), .d( sa22_sub ));
aes_sbox us23( .a( sa23 ), .d( sa23_sub ));
aes_sbox us30( .a( sa30 ), .d( sa30_sub ));
aes_sbox us31( .a( sa31 ), .d( sa31_sub ));
aes_sbox us32( .a( sa32 ), .d( sa32_sub ));
aes_sbox us33( .a( sa33 ), .d( sa33_sub ));
endmodule
A268
