// ciphersuites and the id requested by the peer.
func mutualCipherSuite(have []uint16, want uint16) *cipherSuite {
	for _, id := range have {
		if id == want {
			return cipherSuiteByID(id)
		}
	}
	return nil
}

func cipherSuiteByID(id uint16) *cipherSuite {
	for _, cipherSuite := range cipherSuites {
		if cipherSuite.id == id {
			return cipherSuite
		}
	}
	return nil
}

		}
	}

	CipherSuiteByID := func(id uint16) *CipherSuite {
		for _, c := range CipherSuites() {
			if c.ID == id {
				return c
			}
		}
		for _, c := range InsecureCipherSuites() {
			if c.ID == id {
				return c
			}
		}
		return nil
	}

	for _, c := range cipherSuites {
		cc := CipherSuiteByID(c.id)
		if cc == nil {