Rocket.Chat/ee/app/license/server/decrypt.ts

import crypto from 'crypto';

const publicKey =
	'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';

export default function decrypt(encrypted: string): string {
	const decrypted = crypto.publicDecrypt(Buffer.from(publicKey, 'base64').toString('utf-8'), Buffer.from(encrypted, 'base64'));

	return decrypted.toString('utf-8');
}