func BatchVerify() {

	n := 1000;

	sks := make([]*bls.SecretKey, n)
	sigs := make([]*bls.Sign, n)
	pks := make([]*bls.PublicKey, n)
	msgs := make([]string, n)

	for i := 0; i < n; i++ {
		sk := &bls.SecretKey{}
		sk.SetByCSPRNG()
		sks[i] = sk
		pks[i] = sk.GetPublicKey()

		m := make([]byte, 256)
		_, err := rand.Read(m)
		if err != nil {
			log.Fatal("No entropy")
		}
		msgs[i] = string(m)
	}

	startTime := time.Now()
	for i := 0; i < n; i++ {
		sigs[i] = sks[i].Sign(string(msgs[i]))
	}
	endTime := time.Now()
	log.Printf("Time required to sign %d messages: %f seconds", n, endTime.Sub(startTime).Seconds())

	startTime = time.Now()
	for i := 0; i < n; i++ {
		if ! sigs[i].Verify(pks[i], msgs[i]) {
			log.Fatal("Failed to verify sig")
		}
	}
	endTime = time.Now()
	log.Printf("Time required to batch verify %d messages: %f seconds", n, endTime.Sub(startTime).Seconds())
}