94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
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// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil -*- (for GNU Emacs)
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//
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// Copyright (c) 1985-2000 Microsoft Corporation
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//
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// This file is part of the Microsoft Research IPv6 Network Protocol Stack.
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// You should have received a copy of the Microsoft End-User License Agreement
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// for this software along with this release; see the file "license.txt".
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// If not, please see http://www.research.microsoft.com/msripv6/license.htm,
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// or write to Microsoft Research, One Microsoft Way, Redmond, WA 98052-6399.
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//
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// Abstract:
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//
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// Null authentication algorithm. For test purposes.
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//
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#include "oscfg.h"
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#include "ndis.h"
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#include "ip6imp.h"
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#include "ip6def.h"
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#include "ipsec.h"
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#include "security.h"
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#include "null.h"
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//* NullKeyPrep - preprocess raw keying data into directly usuable form.
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//
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// This routine is called to convert raw keying information into the most
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// convienient form for later processing. For the null algorithm, we just
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// return 128 zero bytes.
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//
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void
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NullKeyPrep(
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uchar *RawKey, // Raw keying information.
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uint RawKeySize, // Size of above in bytes.
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uchar *Key) // Resulting 128 bytes of preprocessed key info.
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{
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//
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// Zero key size bytes at the location designated by our caller.
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//
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memset(Key, 0, NULL_KEY_SIZE);
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}
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//* NullInit - prepare to process data.
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//
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// We don't need to maintain any context in order to do nothing, so
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// this isn't very exciting.
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//
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void
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NullInit(
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void *Context, // Context info maintained across operations.
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uchar *Key) // Keying information.
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{
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//
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// Just to test the code a bit, zero the context field.
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//
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memset(Context, 0, NULL_CONTEXT_SIZE);
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}
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//* NullOp - Process a chunk of data.
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//
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// NullOp is a No-Op.
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//
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void
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NullOp(
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void *Context, // Context info maintained across operations.
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uchar *Key, // Keying information.
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uchar *Data, // Data to process.
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uint Len) // Amount of above in bytes.
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{
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}
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//* NullFinal - close off processing current data and return result.
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//
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// Our result is always zero.
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//
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void
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NullFinal(
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void *Context, // Context info maintained across operations.
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uchar *Key, // Keying information.
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uchar *Result) // Where to put result of this process.
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{
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//
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// Zero result size bytes at the location designated by our caller.
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//
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memset(Result, 0, NULL_RESULT_SIZE);
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}
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