28 lines
852 B
JavaScript
28 lines
852 B
JavaScript
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function hash(input){
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var list = [];
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for(var i = 0; i < 256; i++){
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list.push(i);
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}
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var pos = 0;
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var lengths = input.split("").filter((a)=>(a)).map((a)=>(a.charCodeAt(0))).concat([17, 31, 73, 47, 23]);
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var skip = 0;
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for(var x = 0; x < 64; x++){
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for(var length of lengths){
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for(var i = 0; i < (length/2); i++){
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var a = list[(pos+i)%list.length];
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var b = list[(pos+length-1-i)%list.length];
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list[(pos+i)%list.length] = b;
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list[(pos+length-1-i)%list.length] = a;
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}
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pos += length + skip;
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pos = pos % list.length;
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skip += 1;
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}
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}
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var hash = list.reduce((arr, a, i)=>{arr[Math.floor(i/16)] = arr[Math.floor(i/16)] ^ a; return arr;}, []);
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return hash.map((a)=>(a.toString(16))).map((a)=>((a.length == 1) ? ("0" + a) : (a))).join("");
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}
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console.log(hash("97,167,54,178,2,11,209,174,119,248,254,0,255,1,64,190"));
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