Restore SEBPatch

SafeExamBrowser.Configuration.Contracts/Cryptography/IPasswordEncryption.cs

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2024 ETH Zürich, IT Services
+ * 
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+using System.IO;
+
+namespace SafeExamBrowser.Configuration.Contracts.Cryptography
+{
+	/// <summary>
+	/// Encrypts and decrypts data with a password.
+	/// </summary>
+	public interface IPasswordEncryption
+	{
+		/// <summary>
+		/// Attempts to decrypt the given data. The decrypted data stream can only be considered valid if <see cref="LoadStatus.Success"/>
+		/// is returned!
+		/// </summary>
+		LoadStatus Decrypt(Stream data, string password, out Stream decrypted);
+
+		/// <summary>
+		/// Attempts to encrypt the given data. The encrypted data stream can only be considered valid if <see cref="SaveStatus.Success"/>
+		/// is returned.
+		/// </summary>
+		SaveStatus Encrypt(Stream data, string password, out Stream encrypted);
+	}
+}