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AcceptSecurityContext returns SEC_E_ALGORITHM_MISMATCH

12 New Member
Hi,

AcceptSecurityContext returns me SEC_E_ALGORITHM_MISMATCH error for VISTA, works fine for all other OSs.
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  1.    CAutoSecBuffer<2> InBuffer(m_pSSPIDisp, false);
  2.  CAutoSecBuffer<1> OutBuffer(m_pSSPIDisp, true);
  3.  DWORD dwSSPIOutFlags;
  4.  SECURITY_STATUS ss;
  5.  
  6.   OutHttpBuffer.Reset();
  7.  
  8.   // InBuffers[1] is for getting extra data that SSPI/SCHANNEL doesn't
  9.   // proccess on this run around the loop.
  10.   InBuffer.SetSecurityBufferToken(0, (LPVOID)ClientCtx.InBuffer(), ClientCtx.InBuffer().Size());
  11.   InBuffer.SetSecurityBufferEmpty(1);
  12.  
  13.   OutBuffer.SetSecurityBufferToken(0, NULL, 0);
  14.  
  15.   ss = m_pSSPIDisp->AcceptSecurityContext(
  16.       &m_hServerCreds,
  17.       SecIsValidHandle(&ClientCtx.hContext) ? &ClientCtx.hContext : NULL,
  18.       &InBuffer,
  19.       m_fContextReq,
  20.       SECURITY_NATIVE_DREP,
  21.       &ClientCtx.hContext,
  22.       &OutBuffer,
  23.       &dwSSPIOutFlags,
  24.       NULL);
Dec 19 '07 #1
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