16 lines
538 B
JavaScript
16 lines
538 B
JavaScript
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import { createHmac, timingSafeEqual } from "node:crypto";
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const sign = (val, secret) => `${val}.${createHmac("sha256", secret).update(val).digest("base64").replace(/=+$/, "")}`;
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const unsign = (val, secret) => {
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const str = val.slice(0, val.lastIndexOf("."));
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const mac = sign(str, secret);
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const macBuffer = Buffer.from(mac);
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const valBuffer = Buffer.alloc(macBuffer.length);
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valBuffer.write(val);
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return timingSafeEqual(macBuffer, valBuffer) ? str : false;
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};
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export {
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sign,
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unsign
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};
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//# sourceMappingURL=index.js.map
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