System.Security.PermissionSetCollection.CreateFromBinaryFormat C# (CSharp) Method

		internal static PermissionSetCollection CreateFromBinaryFormat (byte[] data)
		{
			if ((data == null) || (data [0] != 0x2E) || (data.Length < 2)) {
				string msg = Locale.GetText ("Invalid data in 2.0 metadata format.");
				throw new SecurityException (msg);
			}

			int pos = 1;
			int numattr = PermissionSet.ReadEncodedInt (data, ref pos);
			PermissionSetCollection psc = new PermissionSetCollection ();
			for (int i = 0; i < numattr; i++) {
				IPermission p = PermissionSet.ProcessAttribute (data, ref pos);
				if (p == null) {
					string msg = Locale.GetText ("Unsupported data found in 2.0 metadata format.");
					throw new SecurityException (msg);
				}

				PermissionSet ps = new PermissionSet (PermissionState.None);
				ps.DeclarativeSecurity = true;
				ps.AddPermission (p); 
				psc.Add (ps);
			}
			return psc;
		}
	}