mirror of
https://github.com/bitburner-official/bitburner-src.git
synced 2026-04-22 17:23:00 +02:00
catloversg
20 lines
842 B
TypeScript
20 lines
842 B
TypeScript
/**
|
|
* Hashes the input string. This is a fast hash, so NOT good for cryptography.
|
|
* This has been ripped off here: https://stackoverflow.com/a/52171480
|
|
* @param str The string that is to be hashed
|
|
* @param seed A seed to randomize the result
|
|
* @returns An hexadecimal string representation of the hashed input
|
|
*/
|
|
export function cyrb53(str: string, seed = 0): string {
|
|
let h1 = 0xdeadbeef ^ seed;
|
|
let h2 = 0x41c6ce57 ^ seed;
|
|
for (let i = 0, ch; i < str.length; i++) {
|
|
ch = str.charCodeAt(i);
|
|
h1 = Math.imul(h1 ^ ch, 2654435761);
|
|
h2 = Math.imul(h2 ^ ch, 1597334677);
|
|
}
|
|
h1 = Math.imul(h1 ^ (h1 >>> 16), 2246822507) ^ Math.imul(h2 ^ (h2 >>> 13), 3266489909);
|
|
h2 = Math.imul(h2 ^ (h2 >>> 16), 2246822507) ^ Math.imul(h1 ^ (h1 >>> 13), 3266489909);
|
|
return (4294967296 * (2097151 & h2) + (h1 >>> 0)).toString(16);
|
|
}
|