Resolve "SMIME Support"

Closes #232

enzevalos_iphone/CryptoObject.swift

@@ -96,6 +96,7 @@ public class CryptoObject {
     let signatureState: SignatureState
     var encryptionState: EncryptionState
     let signKey: String?
+    let signedKeys: [String]
     let encType: CryptoScheme
     let passcode: String?
     let signedAdrs: [String]
@@ -114,7 +115,6 @@ public class CryptoObject {
         return nil
     }
 
-
     init(chiphertext: Data?, plaintext: String?, decryptedData: Data?, sigState: SignatureState, encState: EncryptionState, signKey: String?, encType: CryptoScheme, signedAdrs: [String]) {
         self.chiphertext = chiphertext
         self.plaintext = plaintext
@@ -125,5 +125,25 @@ public class CryptoObject {
         self.encType = encType
         self.passcode = nil
         self.signedAdrs = signedAdrs
+        if signKey != nil
+        {
+            self.signedKeys = [signKey!]
+        }
+        else{
+            self.signedKeys = []
+        }
+    }
+
+    init(chiphertext: Data?, plaintext: String?, decryptedData: Data?, sigState: SignatureState, encState: EncryptionState, signKey: String?, encType: CryptoScheme, signedAdrs: [String], signedKeys: [String]) {
+        self.chiphertext = chiphertext
+        self.plaintext = plaintext
+        self.decryptedData = decryptedData
+        self.signatureState = sigState
+        self.encryptionState = encState
+        self.signKey = signKey
+        self.encType = encType
+        self.passcode = nil
+        self.signedAdrs = signedAdrs
+        self.signedKeys = signedKeys
     }
 }