             return nil
         }
     }
-
-    private let OID_ECPublicKey = "1.2.840.10045.2.1"
-    private let OID_RSAEncryption = "1.2.840.113549.1.1.1"
 }
 
 public class X509Extension {

    }

    public var key: Data? {
        guard let algOid = algOid, let keyData = pkBlock.sub(1)?.value as? Data else {
            return nil
        }
        switch algOid {

        case OID_ECPublicKey:
            return keyData


}

public class PublicKey {
    private let OID_ECPublicKey = "1.2.840.10045.2.1"
    private let OID_RSAEncryption = "1.2.840.113549.1.1.1"

    var pkBlock: ASN1Object!

    init(pkBlock: ASN1Object) {
