first commit

Assets/AVProVideo/Runtime/Scripts/Internal/Utils/KeyAuthData.cs

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+using System;
+using UnityEngine;
+
+//-----------------------------------------------------------------------------
+// Copyright 2020-2021 RenderHeads Ltd.  All rights reserved.
+//-----------------------------------------------------------------------------
+
+namespace RenderHeads.Media.AVProVideo
+{
+	/// <summary>
+	/// Data for handling authentication of encrypted AES-128 HLS streams
+	/// </summary>
+	/// 
+	[Serializable]
+	public class KeyAuthData : ISerializationCallbackReceiver
+	{
+		[SerializeField]
+		public string keyServerToken;
+
+		[SerializeField, Multiline]
+		public string overrideDecryptionKeyBase64;
+
+		public bool IsModified()
+		{
+			return !String.IsNullOrEmpty(keyServerToken) || !String.IsNullOrEmpty(overrideDecryptionKeyBase64);
+		}
+
+		private byte[] _overrideDecryptionKey;
+		public byte[] overrideDecryptionKey
+		{
+			get
+			{
+				return _overrideDecryptionKey;
+			}
+			set
+			{
+				_overrideDecryptionKey = value;
+				if (value == null)
+					overrideDecryptionKeyBase64 = "";
+				else
+					overrideDecryptionKeyBase64 = Convert.ToBase64String(_overrideDecryptionKey);
+			}
+		}
+
+		// ISerializationCallbackReceiver
+
+		public void OnBeforeSerialize()
+		{
+			// Nothing to do here
+		}
+
+		public void OnAfterDeserialize()
+		{
+			if (!string.IsNullOrEmpty(overrideDecryptionKeyBase64))
+			{
+				try
+				{
+					// Regenerate the byte[]
+					_overrideDecryptionKey = Convert.FromBase64String(overrideDecryptionKeyBase64);
+				}
+				catch (Exception e)
+				{
+					Debug.LogWarning($"Failed to decode overrideDecryptionKeyBase64, error: {e}");
+				}
+			}
+			else
+			{
+				_overrideDecryptionKey = null;
+			}
+		}
+	}
+}