Move declaration of Slot from key.go to slot.go

Signed-off-by: Steffen Vogel <[email protected]>

key.go

@@ -47,19 +47,6 @@ func (e UnsupportedCurveError) Error() string {
 	return fmt.Sprintf("unsupported curve: %d", e.curve)
 }
 
-// Slot is a private key and certificate combination managed by the security key.
-type Slot struct {
-	// Key is a reference for a key type.
-	//
-	// https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-73-4.pdf#page=32
-	Key byte
-
-	// Object is a reference for data object.
-	//
-	// https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-73-4.pdf#page=30
-	Object Object
-}
-
 //nolint:gochecknoglobals
 var (
 	extIDFirmwareVersion = asn1.ObjectIdentifier([]int{1, 3, 6, 1, 4, 1, 41482, 3, 3})

slot.go

@@ -8,6 +8,19 @@ import (
 	"strings"
 )
 
+// Slot is a private key and certificate combination managed by the security key.
+type Slot struct {
+	// Key is a reference for a key type.
+	//
+	// https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-73-4.pdf#page=32
+	Key byte
+
+	// Object is a reference for data object.
+	//
+	// https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-73-4.pdf#page=30
+	Object Object
+}
+
 func parseSlot(commonName string) (Slot, bool) {
 	if !strings.HasPrefix(commonName, yubikeySubjectCNPrefix) {
 		return Slot{}, false