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//
// HMACSHA384.cs: HMAC implementation using SHA384
//
// Author:
// Sebastien Pouliot <sebastien@xamarin.com>
//
// (C) 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2004-2005, 2007 Novell, Inc (http://www.novell.com)
// Copyright 2013 Xamarin Inc. (http://www.xamarin.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Runtime.InteropServices;
using Mono.Security.Cryptography;
namespace System.Security.Cryptography {
[ComVisible (true)]
public class HMACSHA384 : HMAC {
private bool legacy;
#if !FULL_AOT_RUNTIME
static bool legacy_mode;
static HMACSHA384 ()
{
legacy_mode = (Environment.GetEnvironmentVariable ("legacyHMACMode") == "1");
}
#endif
public HMACSHA384 ()
: this (KeyBuilder.Key (8))
{
}
public HMACSHA384 (byte[] key)
{
#if FULL_AOT_RUNTIME
BlockSizeValue = 128;
SetHash ("SHA384", new SHA384Managed ());
#else
ProduceLegacyHmacValues = legacy_mode;
HashName = "SHA384";
#endif
HashSizeValue = 384;
Key = key;
}
// this property will appear in the next .NET service pack
// http://blogs.msdn.com/shawnfa/archive/2007/01/31/please-do-not-use-the-net-2-0-hmacsha512-and-hmacsha384-classes.aspx
public bool ProduceLegacyHmacValues {
get { return legacy; }
set {
legacy = value;
BlockSizeValue = legacy ? 64 : 128;
}
}
}
}
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