Verilog实现hash计算_verilog 实现hash

32 bit hash计算 （使用function函数）

hash函数：

function [31:0] hash_func;

input [31:0] r;

input [95:0] k;

input [63:0] b;

reg [31:0] result;

reg [95:0] key;

integer j;

begin

key = k;

result = r;

for(j = 0; j < 64; j = j + 1) begin

if(b[63-j] == 1'b1)

result = result ^ key[95:64];

key = {key[94:0],1'b0};

end

hash_func = result;

end

endfunctiom