Baseline: Ausgangszustand vor Modularisierung

Erster Commit des bestehenden monolithischen WinForms-Copytraders,
inklusive der Alt-Backups (*.bak), damit diese dauerhaft in der
Historie rekonstruierbar bleiben. Threema-Lib unter libs/ wurde
vendored (nested .git entfernt).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

libs/Threema-MsgApi-Net-Core/IcgSoftware.Threema.CoreMsgApi/Results/EncryptResult.cs

@@ -0,0 +1,54 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace IcgSoftware.Threema.CoreMsgApi.Results
+{
+	public class EncryptResult
+	{
+		private readonly byte[] result;
+		private readonly byte[] secret;
+		private readonly byte[] nonce;
+
+		public EncryptResult(byte[] result, byte[] secret, byte[] nonce)
+		{
+			this.result = result;
+			this.secret = secret;
+			this.nonce = nonce;
+		}
+
+		/// <summary>
+		/// the encrypted data
+		/// </summary>
+		public byte[] Result
+		{
+			get { return this.result; }
+		}
+
+		/// <summary>
+		/// the size (in bytes) of the encrypted data
+		/// </summary>
+		public int Size
+		{
+			get { return this.result.Length; }
+		}
+
+		/// <summary>
+		/// the nonce that was used for encryption
+		/// </summary>
+		public byte[] Nonce
+		{
+			get { return this.nonce; }
+		}
+
+		/// <summary>
+		/// the secret that was used for encryption (only for symmetric encryption, e.g. files)
+		/// </summary>
+		public byte[] Secret
+		{
+			get { return secret; }
+		}
+	}
+}