windows-nt/Source/XPSP1/NT/ds/security/protocols/schannel/spbase/ssl3key.c

131 lines
3.3 KiB
C
Raw Normal View History

2020-09-26 03:20:57 -05:00
/*-----------------------------------------------------------------------------
* Copyright (C) Microsoft Corporation, 1995 - 1996.
* All rights reserved.
*
* Owner : ramas
* Date : 4/16/96
* description : Main Crypto functions for SSL3
*----------------------------------------------------------------------------*/
#include <spbase.h>
#include <ssl3key.h>
#include <ssl2msg.h>
#include <ssl3msg.h>
#include <ssl2prot.h>
//+---------------------------------------------------------------------------
//
// Function: Ssl3MakeWriteSessionKeys
//
// Synopsis:
//
// Arguments: [pContext] -- Schannel context.
//
// History: 10-08-97 jbanes Added server-side CAPI integration.
//
// Notes:
//
//----------------------------------------------------------------------------
SP_STATUS
Ssl3MakeWriteSessionKeys(PSPContext pContext)
{
BOOL fClient;
// Determine if we're a client or a server.
fClient = (0 != (pContext->RipeZombie->fProtocol & SP_PROT_SSL3_CLIENT));
//
// Derive write key.
//
if(pContext->hWriteKey)
{
if(!SchCryptDestroyKey(pContext->hWriteKey,
pContext->RipeZombie->dwCapiFlags))
{
SP_LOG_RESULT(GetLastError());
}
}
pContext->hWriteProv = pContext->RipeZombie->hMasterProv;
pContext->hWriteKey = pContext->hPendingWriteKey;
pContext->hPendingWriteKey = 0;
//
// Derive the write MAC key.
//
if(pContext->hWriteMAC)
{
if(!SchCryptDestroyKey(pContext->hWriteMAC,
pContext->RipeZombie->dwCapiFlags))
{
SP_LOG_RESULT(GetLastError());
}
}
pContext->hWriteMAC = pContext->hPendingWriteMAC;
pContext->hPendingWriteMAC = 0;
DebugLog((DEB_TRACE, "Write Keys are Computed\n"));
return PCT_ERR_OK;
}
//+---------------------------------------------------------------------------
//
// Function: Ssl3MakeReadSessionKeys
//
// Synopsis:
//
// Arguments: [pContext] -- Schannel context.
//
// History: 10-03-97 jbanes Added server-side CAPI integration.
//
// Notes:
//
//----------------------------------------------------------------------------
SP_STATUS
Ssl3MakeReadSessionKeys(PSPContext pContext)
{
BOOL fClient;
// Determine if we're a client or a server.
fClient = (pContext->RipeZombie->fProtocol & SP_PROT_SSL3_CLIENT);
//
// Derive the read key.
//
if(pContext->hReadKey)
{
if(!SchCryptDestroyKey(pContext->hReadKey,
pContext->RipeZombie->dwCapiFlags))
{
SP_LOG_RESULT(GetLastError());
}
}
pContext->hReadProv = pContext->RipeZombie->hMasterProv;
pContext->hReadKey = pContext->hPendingReadKey;
pContext->hPendingReadKey = 0;
//
// Derive the read MAC key.
//
if(pContext->hReadMAC)
{
if(!SchCryptDestroyKey(pContext->hReadMAC,
pContext->RipeZombie->dwCapiFlags))
{
SP_LOG_RESULT(GetLastError());
}
}
pContext->hReadMAC = pContext->hPendingReadMAC;
pContext->hPendingReadMAC = 0;
DebugLog((DEB_TRACE, "Read Keys are Computed\n"));
return PCT_ERR_OK;
}