diff --git a/Sources/ThresholdKey/Common/KeyPoint.swift b/Sources/ThresholdKey/Common/KeyPoint.swift
index bd2ff5d..4d4492f 100644
--- a/Sources/ThresholdKey/Common/KeyPoint.swift
+++ b/Sources/ThresholdKey/Common/KeyPoint.swift
@@ -3,6 +3,21 @@ import Foundation
     import lib
 #endif
 
+
+public enum PublicKeyEncoding : Equatable, Hashable {
+    case EllipticCompress
+    case FullAddress
+
+    public var value : String {
+        switch self {
+        case .EllipticCompress:
+            return "elliptic-compressed"
+        case .FullAddress :
+            return ""
+        }
+    }
+}
+
 public final class KeyPoint: Equatable {
     
     /// Compares two KeyPoint objects
@@ -107,10 +122,10 @@ public final class KeyPoint: Equatable {
     /// - Returns: Serialized form of `KeyPoint` as `String`
     ///
     /// - Throws: `RuntimeError`, indicates either the underlying pointer is invalid or the co-ordinate pair is not a valid PublicKey.
-    public func getAsCompressedPublicKey(format: String) throws -> String {
+    public func getPublicKey(format: PublicKeyEncoding) throws -> String {
         var errorCode: Int32 = -1
         
-        let encoder_format = UnsafeMutablePointer<Int8>(mutating: (format as NSString).utf8String)
+        let encoder_format = UnsafeMutablePointer<Int8>(mutating: (format.value as NSString).utf8String)
         let result = withUnsafeMutablePointer(to: &errorCode, { error in
             key_point_encode(pointer, encoder_format, error)
         })
diff --git a/Tests/tkeypkgTests/tkey_pkgKeyDetailsTest.swift b/Tests/tkeypkgTests/tkey_pkgKeyDetailsTest.swift
index 2741ae1..84ba9a1 100644
--- a/Tests/tkeypkgTests/tkey_pkgKeyDetailsTest.swift
+++ b/Tests/tkeypkgTests/tkey_pkgKeyDetailsTest.swift
@@ -25,7 +25,7 @@ final class tkey_pkgKeyDetailsTests: XCTestCase {
     }
     
     func test_public_key_point() {
-        XCTAssertNotEqual(try! data.pub_key.getAsCompressedPublicKey(format: "elliptic-compressed").count,0)
+        XCTAssertNotEqual(try! data.pub_key.getPublicKey(format: .EllipticCompress).count,0)
     }
     
     func test_threshold() {
diff --git a/Tests/tkeypkgTests/tkey_pkgKeyPointTests.swift b/Tests/tkeypkgTests/tkey_pkgKeyPointTests.swift
index d659800..d6f49ed 100644
--- a/Tests/tkeypkgTests/tkey_pkgKeyPointTests.swift
+++ b/Tests/tkeypkgTests/tkey_pkgKeyPointTests.swift
@@ -34,7 +34,7 @@ final class tkey_pkgKeyPointTests: XCTestCase {
     }
     
     func test_required_shares() {
-        XCTAssertNotEqual(try data.getAsCompressedPublicKey(format: "elliptic-compressed").count,0)
+        XCTAssertNotEqual(try data.getPublicKey(format: .EllipticCompress).count,0)
     }
     
     func test_create_x_y() {