import * as crypto from 'crypto'; export function randomKey(prefix: string, length: number = 24): string { while (true) { const randomBytesBuffer = crypto.randomBytes(length * 2); const normalized = randomBytesBuffer.toString('base64').replace(/[^a-zA-Z0-9]/g, ''); if (normalized.length < length) { continue; } const base64String = normalized.slice(0, length); return `${prefix}_${base64String}`; } }