diff --git a/security.go b/security.go
index e2cced6..0b846d4 100644
--- a/security.go
+++ b/security.go
@@ -5,12 +5,12 @@ type SecurityType uint8
 //go:generate stringer -type=SecurityType
 
 const (
-	SecTypeUnknown  = SecurityType(0)
-	SecTypeNone     = SecurityType(1)
-	SecTypeVNC      = SecurityType(2)
-	SecTypeTight    = SecurityType(16)
-	SecTypeATEN     = SecurityType(16)
-	SecTypeVeNCrypt = SecurityType(19)
+	SecTypeUnknown  SecurityType = SecurityType(0)
+	SecTypeNone     SecurityType = SecurityType(1)
+	SecTypeVNC      SecurityType = SecurityType(2)
+	SecTypeTight    SecurityType = SecurityType(16)
+	SecTypeATEN     SecurityType = SecurityType(16)
+	SecTypeVeNCrypt SecurityType = SecurityType(19)
 )
 
 type SecuritySubType uint32
@@ -18,29 +18,29 @@ type SecuritySubType uint32
 //go:generate stringer -type=SecuritySubType
 
 const (
-	SecSubTypeUnknown = SecuritySubType(0)
+	SecSubTypeUnknown SecuritySubType = SecuritySubType(0)
 )
 
 const (
-	SecSubTypeVeNCrypt01Unknown   = SecuritySubType(0)
-	SecSubTypeVeNCrypt01Plain     = SecuritySubType(19)
-	SecSubTypeVeNCrypt01TLSNone   = SecuritySubType(20)
-	SecSubTypeVeNCrypt01TLSVNC    = SecuritySubType(21)
-	SecSubTypeVeNCrypt01TLSPlain  = SecuritySubType(22)
-	SecSubTypeVeNCrypt01X509None  = SecuritySubType(23)
-	SecSubTypeVeNCrypt01X509VNC   = SecuritySubType(24)
-	SecSubTypeVeNCrypt01X509Plain = SecuritySubType(25)
+	SecSubTypeVeNCrypt01Unknown   SecuritySubType = SecuritySubType(0)
+	SecSubTypeVeNCrypt01Plain     SecuritySubType = SecuritySubType(19)
+	SecSubTypeVeNCrypt01TLSNone   SecuritySubType = SecuritySubType(20)
+	SecSubTypeVeNCrypt01TLSVNC    SecuritySubType = SecuritySubType(21)
+	SecSubTypeVeNCrypt01TLSPlain  SecuritySubType = SecuritySubType(22)
+	SecSubTypeVeNCrypt01X509None  SecuritySubType = SecuritySubType(23)
+	SecSubTypeVeNCrypt01X509VNC   SecuritySubType = SecuritySubType(24)
+	SecSubTypeVeNCrypt01X509Plain SecuritySubType = SecuritySubType(25)
 )
 
 const (
-	SecSubTypeVeNCrypt02Unknown   = SecuritySubType(0)
-	SecSubTypeVeNCrypt02Plain     = SecuritySubType(256)
-	SecSubTypeVeNCrypt02TLSNone   = SecuritySubType(257)
-	SecSubTypeVeNCrypt02TLSVNC    = SecuritySubType(258)
-	SecSubTypeVeNCrypt02TLSPlain  = SecuritySubType(259)
-	SecSubTypeVeNCrypt02X509None  = SecuritySubType(260)
-	SecSubTypeVeNCrypt02X509VNC   = SecuritySubType(261)
-	SecSubTypeVeNCrypt02X509Plain = SecuritySubType(262)
+	SecSubTypeVeNCrypt02Unknown   SecuritySubType = SecuritySubType(0)
+	SecSubTypeVeNCrypt02Plain     SecuritySubType = SecuritySubType(256)
+	SecSubTypeVeNCrypt02TLSNone   SecuritySubType = SecuritySubType(257)
+	SecSubTypeVeNCrypt02TLSVNC    SecuritySubType = SecuritySubType(258)
+	SecSubTypeVeNCrypt02TLSPlain  SecuritySubType = SecuritySubType(259)
+	SecSubTypeVeNCrypt02X509None  SecuritySubType = SecuritySubType(260)
+	SecSubTypeVeNCrypt02X509VNC   SecuritySubType = SecuritySubType(261)
+	SecSubTypeVeNCrypt02X509Plain SecuritySubType = SecuritySubType(262)
 )
 
 type SecurityHandler interface {
diff --git a/security_vnc.go b/security_vnc.go
index 10e4745..ed0cc60 100644
--- a/security_vnc.go
+++ b/security_vnc.go
@@ -73,18 +73,19 @@ func (auth *ClientAuthVNC) Auth(c Conn) error {
 	if len(auth.Password) == 0 {
 		return fmt.Errorf("Security Handshake failed; no password provided for VNCAuth.")
 	}
+
 	var challenge [16]byte
 	if err := binary.Read(c, binary.BigEndian, &challenge); err != nil {
 		return err
 	}
 
-	crypted, err := AuthVNCEncode(auth.Password, challenge[:])
+	encrypted, err := AuthVNCEncode(auth.Password, challenge[:])
 	if err != nil {
 		return err
 	}
-
+	fmt.Printf("rrrr\n")
 	// Send the encrypted challenge back to server
-	if err := binary.Write(c, binary.BigEndian, crypted); err != nil {
+	if err := binary.Write(c, binary.BigEndian, encrypted); err != nil {
 		return err
 	}
 
@@ -92,9 +93,6 @@ func (auth *ClientAuthVNC) Auth(c Conn) error {
 }
 
 func AuthVNCEncode(password []byte, challenge []byte) ([]byte, error) {
-	if len(password) > 8 {
-		return nil, fmt.Errorf("password too long")
-	}
 	if len(challenge) != 16 {
 		return nil, fmt.Errorf("challenge size not 16 byte long")
 	}
diff --git a/securitysubtype_string.go b/securitysubtype_string.go
new file mode 100644
index 0000000..2c9c35b
--- /dev/null
+++ b/securitysubtype_string.go
@@ -0,0 +1,32 @@
+// Code generated by "stringer -type=SecuritySubType"; DO NOT EDIT.
+
+package vnc
+
+import "fmt"
+
+const (
+	_SecuritySubType_name_0 = "SecSubTypeUnknown"
+	_SecuritySubType_name_1 = "SecSubTypeVeNCrypt01PlainSecSubTypeVeNCrypt01TLSNoneSecSubTypeVeNCrypt01TLSVNCSecSubTypeVeNCrypt01TLSPlainSecSubTypeVeNCrypt01X509NoneSecSubTypeVeNCrypt01X509VNCSecSubTypeVeNCrypt01X509Plain"
+	_SecuritySubType_name_2 = "SecSubTypeVeNCrypt02PlainSecSubTypeVeNCrypt02TLSNoneSecSubTypeVeNCrypt02TLSVNCSecSubTypeVeNCrypt02TLSPlainSecSubTypeVeNCrypt02X509NoneSecSubTypeVeNCrypt02X509VNCSecSubTypeVeNCrypt02X509Plain"
+)
+
+var (
+	_SecuritySubType_index_0 = [...]uint8{0, 17}
+	_SecuritySubType_index_1 = [...]uint8{0, 25, 52, 78, 106, 134, 161, 190}
+	_SecuritySubType_index_2 = [...]uint8{0, 25, 52, 78, 106, 134, 161, 190}
+)
+
+func (i SecuritySubType) String() string {
+	switch {
+	case i == 0:
+		return _SecuritySubType_name_0
+	case 19 <= i && i <= 25:
+		i -= 19
+		return _SecuritySubType_name_1[_SecuritySubType_index_1[i]:_SecuritySubType_index_1[i+1]]
+	case 256 <= i && i <= 262:
+		i -= 256
+		return _SecuritySubType_name_2[_SecuritySubType_index_2[i]:_SecuritySubType_index_2[i+1]]
+	default:
+		return fmt.Sprintf("SecuritySubType(%d)", i)
+	}
+}
diff --git a/securitytype_string.go b/securitytype_string.go
new file mode 100644
index 0000000..48795b3
--- /dev/null
+++ b/securitytype_string.go
@@ -0,0 +1,30 @@
+// Code generated by "stringer -type=SecurityType"; DO NOT EDIT.
+
+package vnc
+
+import "fmt"
+
+const (
+	_SecurityType_name_0 = "SecTypeUnknownSecTypeNoneSecTypeVNC"
+	_SecurityType_name_1 = "SecTypeTight"
+	_SecurityType_name_2 = "SecTypeVeNCrypt"
+)
+
+var (
+	_SecurityType_index_0 = [...]uint8{0, 14, 25, 35}
+	_SecurityType_index_1 = [...]uint8{0, 12}
+	_SecurityType_index_2 = [...]uint8{0, 15}
+)
+
+func (i SecurityType) String() string {
+	switch {
+	case 0 <= i && i <= 2:
+		return _SecurityType_name_0[_SecurityType_index_0[i]:_SecurityType_index_0[i+1]]
+	case i == 16:
+		return _SecurityType_name_1
+	case i == 19:
+		return _SecurityType_name_2
+	default:
+		return fmt.Sprintf("SecurityType(%d)", i)
+	}
+}