import * as crypto from "crypto"; export async function sha256(input: string): Promise { const utf8 = new TextEncoder().encode(input); const hashBuffer = await crypto.subtle.digest("SHA-256", utf8); const hashArray = Array.from(new Uint8Array(hashBuffer)); const hashHex = hashArray.map((bytes) => bytes.toString(16).padStart(2, "0")).join(""); return hashHex; }