29 lines
833 B
TypeScript
29 lines
833 B
TypeScript
import crypto from "crypto";
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function createHash(data: string, len: any) {
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return crypto
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.createHash("shake256", { outputLength: len })
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.update(data)
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.digest("hex");
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}
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export const simpleHash = (str: string, seed = 0) => {
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if (typeof str === "string") {
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let h1 = 0xdeadbeef ^ seed,
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h2 = 0x41c6ce57 ^ seed;
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for (let i = 0, ch; i < str.length; i++) {
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ch = str.charCodeAt(i);
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h1 = Math.imul(h1 ^ ch, 2654435761);
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h2 = Math.imul(h2 ^ ch, 1597334677);
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}
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h1 = Math.imul(h1 ^ (h1 >>> 16), 2246822507);
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h1 ^= Math.imul(h2 ^ (h2 >>> 13), 3266489909);
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h2 = Math.imul(h2 ^ (h2 >>> 16), 2246822507);
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h2 ^= Math.imul(h1 ^ (h1 >>> 13), 3266489909);
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return (4294967296 * (2097151 & h2) + (h1 >>> 0)).toString();
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}
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const hashed = createHash(str, 2);
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return hashed;
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};
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