141 lines
3.3 KiB
C++
141 lines
3.3 KiB
C++
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//#--------------------------------------------------------------
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//
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// File: hashhmac.cpp
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//
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// Synopsis: Implementation of CHashHmacMD5 class methods
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//
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//
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// History: 1/28/98 MKarki Created
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//
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// Copyright (C) 1997-98 Microsoft Corporation
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// All rights reserved.
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//
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//----------------------------------------------------------------
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#include "radcommon.h"
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#include "hashhmac.h"
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#include <md5.h>
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#include <hmac.h>
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//++--------------------------------------------------------------
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//
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// Function: CHashHmacMD5
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//
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// Synopsis: This is CHashHmacMD5 class constructor
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//
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// Arguments: NONE
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//
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// Returns: NONE
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//
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//
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// History: MKarki Created 1/28/98
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//
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//----------------------------------------------------------------
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CHashHmacMD5::CHashHmacMD5()
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{
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} // end of CHashHmacMD5 constructor
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//++--------------------------------------------------------------
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//
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// Function: ~CHashHmacMD5
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//
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// Synopsis: This is ~CHashHmacMD5 class constructor
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//
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// Arguments: NONE
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//
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// Returns: NONE
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//
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//
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// History: MKarki Created 10/2/97
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//
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//----------------------------------------------------------------
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CHashHmacMD5::~CHashHmacMD5()
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{
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} // end of CHashHmacMD5 destructor
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//++--------------------------------------------------------------
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//
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// Function: HashIt
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//
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// Synopsis: This is HashIt CHashHmacMD5 class public method used
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// carry out hashing of the buffers provided
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//
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// Arguments: NONE
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//
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// Returns: NONE
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//
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//
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// History: MKarki Created 1/28/97
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//
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//----------------------------------------------------------------
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BOOL
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CHashHmacMD5::HashIt (
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PBYTE pbyAuthenticator,
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PBYTE pSharedSecret = NULL,
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DWORD dwSharedSecretSize = 0,
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PBYTE pBuffer1 = NULL,
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DWORD dwSize1 = 0,
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PBYTE pBuffer2 = NULL,
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DWORD dwSize2 = 0,
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PBYTE pBuffer3 = NULL,
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DWORD dwSize3 = 0,
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PBYTE pBuffer4 = NULL,
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DWORD dwSize4 = 0,
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PBYTE pBuffer5 = NULL,
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DWORD dwSize5 = 0
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)
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{
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BOOL bRetVal = FALSE;
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HMACMD5_CTX Context;
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__try
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{
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if (NULL == pbyAuthenticator)
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__leave;
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HMACMD5Init (&Context, pSharedSecret, dwSharedSecretSize);
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if ((NULL != pBuffer1) && (0 != dwSize1))
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{
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HMACMD5Update (&Context, pBuffer1, dwSize1);
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}
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if ((NULL != pBuffer2) && (0 != dwSize2))
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{
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HMACMD5Update (&Context, pBuffer2, dwSize2);
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}
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if ((NULL != pBuffer3) && (0 != dwSize3))
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{
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HMACMD5Update (&Context, pBuffer3, dwSize3);
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}
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if ((NULL != pBuffer4) && (0 != dwSize4))
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{
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HMACMD5Update ( &Context, pBuffer4, dwSize4);
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}
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if ((NULL != pBuffer5) && (0 != dwSize5))
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{
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HMACMD5Update ( &Context, pBuffer5, dwSize5);
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}
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HMACMD5Final (&Context, pbyAuthenticator);
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//
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// done the hashing
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//
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bRetVal = TRUE;
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}
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__finally
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{
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//
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// nothing here for now
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//
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}
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return (bRetVal);
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} // end of CHmacHashMD5::HashIt method
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