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Nasal-Interpreter/test/md5.nas
2022-03-27 01:36:38 +08:00

109 lines
2.9 KiB
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import("lib.nas");
var md5=func(s){
var K=[
0xd76aa478,0xe8c7b756,0x242070db,0xc1bdceee,
0xf57c0faf,0x4787c62a,0xa8304613,0xfd469501,0x698098d8,
0x8b44f7af,0xffff5bb1,0x895cd7be,0x6b901122,0xfd987193,
0xa679438e,0x49b40821,0xf61e2562,0xc040b340,0x265e5a51,
0xe9b6c7aa,0xd62f105d,0x02441453,0xd8a1e681,0xe7d3fbc8,
0x21e1cde6,0xc33707d6,0xf4d50d87,0x455a14ed,0xa9e3e905,
0xfcefa3f8,0x676f02d9,0x8d2a4c8a,0xfffa3942,0x8771f681,
0x6d9d6122,0xfde5380c,0xa4beea44,0x4bdecfa9,0xf6bb4b60,
0xbebfbc70,0x289b7ec6,0xeaa127fa,0xd4ef3085,0x04881d05,
0xd9d4d039,0xe6db99e5,0x1fa27cf8,0xc4ac5665,0xf4292244,
0x432aff97,0xab9423a7,0xfc93a039,0x655b59c3,0x8f0ccc92,
0xffeff47d,0x85845dd1,0x6fa87e4f,0xfe2ce6e0,0xa3014314,
0x4e0811a1,0xf7537e82,0xbd3af235,0x2ad7d2bb,0xeb86d391
];
var S=[
7,12,17,22,
7,12,17,22,
7,12,17,22,
7,12,17,22,
5,9,14,20,
5,9,14,20,
5,9,14,20,
5,9,14,20,
4,11,16,23,
4,11,16,23,
4,11,16,23,
4,11,16,23,
6,10,15,21,
6,10,15,21,
6,10,15,21,
6,10,15,21
];
var l=func(num,cx){
for(var i=0;i<cx;i+=1)
num=bits.bitand(0xffffffff,num*2);
return num;
}
var r=func(num,cx){
for(var i=0;i<cx;i+=1)
num=int(num/2);
return num;
}
var rol=func(num,cx){
if(cx>32)
cx=cx-int(cx/32)*32;
return bits.bitor(l(num,cx),r(num,32-cx));
}
var F=func(x,y,z){
return bits.bitor(
bits.bitand(x,y),
bits.bitand(bits.bitnot(x),z)
);
}
var G=func(x,y,z){
return bits.bitor(
bits.bitand(x,z),
bits.bitand(y,bits.bitnot(z))
);
}
var H=func(x,y,z){
return bits.bitxor(bits.bitxor(x,y),z);
}
var I=func(x,y,z){
return bits.bitor(
bits.bitxor(x,y),
bits.bitnot(z)
);
}
var len=size(s);
var res=[];
var v=[256,128,64,32,16,8,4,2,1];
for(var i=0;i<size(s);i+=1){
var c=s[i];
foreach(var j;v){
append(res,bits.bitand(c,j)?1:0);
}
}
var mod=size(res)-int(size(res)/512)*512;
if(mod==0){
append(res,1);
mod+=1;
for(;mod<448;mod+=1)
append(res,0);
}elsif(mod<448){
append(res,1);
mod+=1;
for(;mod<448;mod+=1)
append(res,0);
}elsif(mod>448){
append(res,1);
mod+=1;
for(;mod<512+448;mod+=1)
append(res,0);
}
var tmp=[];
var A=0x01234567;
var B=0x89abcdef;
var C=0xfedcba98;
var D=0x76543210;
println(res,' ',size(res));
}
md5("helloworld");