Restore SEBPatch

SafeExamBrowser.Configuration/Cryptography/HashAlgorithm.cs

@@ -0,0 +1,31 @@
+/*
+ * 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;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+using SafeExamBrowser.Configuration.Contracts.Cryptography;
+
+namespace SafeExamBrowser.Configuration.Cryptography
+{
+	public class HashAlgorithm : IHashAlgorithm
+	{
+		public string GenerateHashFor(string password)
+		{
+			using (var algorithm = new SHA256Managed())
+			{
+				var bytes = Encoding.UTF8.GetBytes(password);
+				var hash = algorithm.ComputeHash(bytes);
+				var hashString = String.Join(String.Empty, hash.Select(b => b.ToString("x2")));
+
+				return hashString;
+			}
+		}
+	}
+}