55 lines
1.7 KiB
C#
55 lines
1.7 KiB
C#
//
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// System.Web.SessionState.SessionId
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//
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// Author(s):
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// Jackson Harper (jackson@ximian.com)
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//
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// Copyright (C) 2003,2006 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.Text;
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using System.Security.Cryptography;
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using System.Web.Util;
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namespace System.Web.SessionState {
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internal class SessionId {
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internal const int IdLength = 24;
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const int half_len = IdLength / 2;
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static RandomNumberGenerator rng = RandomNumberGenerator.Create ();
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internal static string Create ()
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{
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byte[] key = new byte [half_len];
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lock (rng) {
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rng.GetBytes (key);
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}
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return MachineKeySectionUtils.GetHexString (key);
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}
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}
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}
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