)

var (
	// supportedFormats enumerates the supported formats
	supportedFormats = strings.Join([]string{formatSHA256}, ", ")
)

// Set is a set of pinned x509 public keys.
type Set struct {
	sha256Hashes map[string]bool
}

// NewSet returns a new, empty PubKeyPinSet
func NewSet() *Set {
	return &Set{make(map[string]bool)}
}

// Allow adds an allowed public key hash to the Set

		`sha256:0000000000000000000000000000000000000000000000000000000000000000`,
		`sha256:0000000000000000000000000000000000000000000000000000000000000001`,
	}
	err = s.Allow(hashes...)
	if err != nil || len(s.sha256Hashes) != 2 {
		t.Error("expected allowing multiple hashes to succeed")
		return
	}
}

func TestHash(t *testing.T) {
	actualHash := Hash(testCert(t, testCertPEM))
	if actualHash != expectedHash {