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Header File for SSPI Client and Server

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The following header file should be included with both the client and the server SSPI samples as SspiExample.h. It declares functions that handle communication with the security package.

//  SspiExample.h
#include <sspi.h>
#include <windows.h>

BOOL SendMsg (SOCKET s, PBYTE pBuf, DWORD cbBuf);
BOOL ReceiveMsg (SOCKET s, PBYTE pBuf, DWORD cbBuf, DWORD *pcbRead);
BOOL SendBytes (SOCKET s, PBYTE pBuf, DWORD cbBuf);
BOOL ReceiveBytes (SOCKET s, PBYTE pBuf, DWORD cbBuf, DWORD *pcbRead);
void cleanup();

BOOL GenClientContext (
    BYTE *pIn,
    DWORD cbIn,
    BYTE *pOut,
    DWORD *pcbOut,
    BOOL *pfDone,
    CHAR *pszTarget,
    CredHandle *hCred,
    struct _SecHandle *hcText
);

BOOL GenServerContext (
   BYTE *pIn,
   DWORD cbIn,
   BYTE *pOut,
   DWORD *pcbOut,
   BOOL *pfDone,
   BOOL  fNewCredential
);

BOOL EncryptThis (
         PBYTE pMessage, 
         ULONG cbMessage,
         BYTE ** ppOutput,
         LPDWORD pcbOutput,
         ULONG securityTrailer
    );

PBYTE DecryptThis(
         PBYTE achData, 
         LPDWORD pcbMessage,
         struct _SecHandle *hCtxt,
         ULONG   cbSecurityTrailer
);

BOOL 
SignThis (
         PBYTE pMessage, 
         ULONG cbMessage,
         BYTE ** ppOutput,
         LPDWORD pcbOutput
);

PBYTE VerifyThis(
          PBYTE pBuffer, 
          LPDWORD pcbMessage,
          struct _SecHandle *hCtxt,
          ULONG   cbMaxSignature
);

void PrintHexDump(DWORD length, PBYTE buffer);

BOOL ConnectAuthSocket (
   SOCKET *s, 
   CredHandle *hCred, 
   struct _SecHandle *hcText
);

BOOL CloseAuthSocket (SOCKET s);

BOOL DoAuthentication (SOCKET s);

void MyHandleError(char *s);