Method encrypt

modules/crypt/etc/gcm.js:67–71

(data, buf)

		this.ctr.setIV(ArrayBuffer.fromBigInt(y1));
	}
	encrypt(data, buf) {
		buf = this.ctr.encrypt(data, buf);
		this.ghash.update(buf);
		return buf;
	};
	decrypt(data, buf) {
		this.ghash.update(data);
		return this.ctr.decrypt(data, buf);