2 // HMACSHA384.cs: HMAC implementation using SHA384
5 // Sebastien Pouliot <sebastien@xamarin.com>
7 // (C) 2003 Motus Technologies Inc. (http://www.motus.com)
8 // Copyright (C) 2004-2005, 2007 Novell, Inc (http://www.novell.com)
9 // Copyright 2013 Xamarin Inc. (http://www.xamarin.com)
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14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
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19 // The above copyright notice and this permission notice shall be
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31 using System.Runtime.InteropServices;
33 using Mono.Security.Cryptography;
35 namespace System.Security.Cryptography {
38 public class HMACSHA384 : HMAC {
43 static bool legacy_mode;
47 legacy_mode = (Environment.GetEnvironmentVariable ("legacyHMACMode") == "1");
52 : this (KeyBuilder.Key (8))
56 public HMACSHA384 (byte[] key)
60 SetHash ("SHA384", new SHA384Managed ());
62 ProduceLegacyHmacValues = legacy_mode;
69 // this property will appear in the next .NET service pack
70 // http://blogs.msdn.com/shawnfa/archive/2007/01/31/please-do-not-use-the-net-2-0-hmacsha512-and-hmacsha384-classes.aspx
71 public bool ProduceLegacyHmacValues {
72 get { return legacy; }
75 BlockSizeValue = legacy ? 64 : 128;