224 lines
7.7 KiB
C
224 lines
7.7 KiB
C
|
//+----------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// File: cmsecure.h
|
||
|
|
//
|
||
|
|
// Module: CMSECURE.LIB
|
||
|
|
//
|
||
|
|
// Synopsis: This header describes the functionality available in the cmsecure
|
||
|
|
// library.
|
||
|
|
//
|
||
|
|
// Copyright (c) 1996-1999 Microsoft Corporation
|
||
|
|
//
|
||
|
|
// Author: henryt Created 05/21/97
|
||
|
|
//
|
||
|
|
//+----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
#ifndef _CMSECURE_INC_
|
||
|
|
#define _CMSECURE_INC_
|
||
|
|
|
||
|
|
#include <windows.h>
|
||
|
|
|
||
|
|
|
||
|
|
//************************************************************************
|
||
|
|
// define's
|
||
|
|
//************************************************************************
|
||
|
|
|
||
|
|
//
|
||
|
|
// the encryption types that cmsecure currently supports
|
||
|
|
//
|
||
|
|
#define CMSECURE_ET_NOT_ENCRYPTED 0 // 0x0000
|
||
|
|
#define CMSECURE_ET_RC2 1 // 0x0001
|
||
|
|
#define CMSECURE_ET_STREAM_CIPHER 2 // 0x0002
|
||
|
|
#define CMSECURE_ET_CBC_CIPHER 3 // 0x0003
|
||
|
|
|
||
|
|
//
|
||
|
|
// Extended codes for UNICODE designation
|
||
|
|
// Note: The encryption logic will not know anything about these new codes
|
||
|
|
// they are designed for book-keeping by the calling modules, which will
|
||
|
|
// have to do the appropiate conversions based on the calling context/OS
|
||
|
|
//
|
||
|
|
|
||
|
|
#define CMSECURE_ET_NOT_ENCRYPTED_U 128 // 0x0080
|
||
|
|
#define CMSECURE_ET_RC2_U 129 // 0x0081
|
||
|
|
#define CMSECURE_ET_STREAM_CIPHER_U 130 // 0x0082
|
||
|
|
#define CMSECURE_ET_CBC_CIPHER_U 131 // 0x0083
|
||
|
|
|
||
|
|
|
||
|
|
#define CMSECURE_ET_MASK_U 128 // 0x0080
|
||
|
|
#define CMSECURE_ET_RANDOM_KEY_MASK 256 // 0x0100 uses a randomly generated key
|
||
|
|
#define CMSECURE_ET_USE_SECOND_RND_KEY 512 // 0x1000 uses the second blob key
|
||
|
|
|
||
|
|
//
|
||
|
|
// structures, typdef's
|
||
|
|
//
|
||
|
|
|
||
|
|
typedef LPVOID (*PFN_CMSECUREALLOC)(DWORD);
|
||
|
|
typedef void (*PFN_CMSECUREFREE)(LPVOID);
|
||
|
|
|
||
|
|
//
|
||
|
|
// externs
|
||
|
|
//
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// function prototypes
|
||
|
|
//
|
||
|
|
/*
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
*/
|
||
|
|
// cmsecure.cpp
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
InitSecure(
|
||
|
|
BOOL fFastEncryption = FALSE // default is more secure
|
||
|
|
);
|
||
|
|
|
||
|
|
void
|
||
|
|
DeInitSecure(
|
||
|
|
void
|
||
|
|
);
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
EncryptData(
|
||
|
|
IN LPBYTE pbData, // Data to be encrypted
|
||
|
|
IN DWORD dwDataLength, // Length of data in bytes
|
||
|
|
OUT LPBYTE *ppbEncryptedData, // Encrypted secret key will be stored here(memory will be allocated)
|
||
|
|
OUT LPDWORD pdwEncrytedBufferLen, // Length of this buffer
|
||
|
|
OUT LPDWORD pEncryptionType, // type of the encryption used
|
||
|
|
|
||
|
|
IN PFN_CMSECUREALLOC pfnAlloc, // memory allocator(if NULL, then the default is used.
|
||
|
|
// Win32 - HeapAlloc(GetProcessHeap(), ...)
|
||
|
|
IN PFN_CMSECUREFREE pfnFree, // memory deallocator(if NULL, then the default is used.
|
||
|
|
// Win32 - HeapFree(GetProcessHeap(), ...)
|
||
|
|
IN LPSTR pszUserKey // Registry key to store encrypted key for passwords
|
||
|
|
);
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
DecryptData(
|
||
|
|
IN LPBYTE pbEncryptedData, // Encrypted data
|
||
|
|
IN DWORD dwEncrytedDataLen, // Length of encrypted data
|
||
|
|
OUT LPBYTE *ppbData, // Decrypted Data will be stored here(memory will be allocated)
|
||
|
|
OUT LPDWORD pdwDataBufferLength, // Length of the above buffer in bytes
|
||
|
|
IN DWORD dwEncryptionType, // encryption type for decryption
|
||
|
|
|
||
|
|
IN PFN_CMSECUREALLOC pfnAlloc, // memory allocator(if NULL, then the default is used.
|
||
|
|
// Win32 - HeapAlloc(GetProcessHeap(), ...)
|
||
|
|
IN PFN_CMSECUREFREE pfnFree, // memory deallocator(if NULL, then the default is used.
|
||
|
|
// Win32 - HeapFree(GetProcessHeap(), ...)
|
||
|
|
IN LPSTR pszUserKey // Registry key to store encrypted key for passwords
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
EncryptString(
|
||
|
|
IN LPSTR pszToEncrypt, // String to be encrypted (Ansi)
|
||
|
|
IN LPSTR pszUserKey, // Key to use for Encryption
|
||
|
|
OUT LPBYTE * ppbEncryptedData, // Encrypted secret key will be stored here(memory will be allocated)
|
||
|
|
OUT LPDWORD pdwEncrytedBufferLen, // Length of this buffer
|
||
|
|
IN PFN_CMSECUREALLOC pfnAlloc, // memory allocator(if NULL, then the default is used.
|
||
|
|
// Win32 - HeapAlloc(GetProcessHeap(), ...)
|
||
|
|
IN PFN_CMSECUREFREE pfnFree // memory deallocator(if NULL, then the default is used.
|
||
|
|
// Win32 - HeapFree(GetProcessHeap(), ...)
|
||
|
|
);
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
DecryptString(
|
||
|
|
IN LPBYTE pbEncryptedData, // Encrypted data
|
||
|
|
IN DWORD dwEncrytedDataLen, // Length of encrypted data
|
||
|
|
IN LPSTR pszUserKey, // Registry key to store encrypted key for passwords
|
||
|
|
OUT LPBYTE * ppbData, // Decrypted Data will be stored here
|
||
|
|
OUT LPDWORD pdwDataBufferLength, // Length of the above buffer in bytes
|
||
|
|
IN PFN_CMSECUREALLOC pfnAlloc, // memory allocator(if NULL, then the default is used.
|
||
|
|
// Win32 - HeapAlloc(GetProcessHeap(), ...)
|
||
|
|
IN PFN_CMSECUREFREE pfnFree // memory deallocator(if NULL, then the default is used.
|
||
|
|
// Win32 - HeapFree(GetProcessHeap(), ...)
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: AnsiToUnicodePcs
|
||
|
|
//
|
||
|
|
// Synopsis: Wrapper to encapsulate translating a standard crypt type value
|
||
|
|
// into its equivalent for UNICODE systems.
|
||
|
|
//
|
||
|
|
// Arguments: IN DWORD dwCrypt - The code to be converted
|
||
|
|
//
|
||
|
|
// Returns: Converted code
|
||
|
|
//
|
||
|
|
// History: nickball Created 06/02/99
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
inline DWORD AnsiToUnicodePcs(IN DWORD dwCrypt)
|
||
|
|
{
|
||
|
|
return (dwCrypt | CMSECURE_ET_MASK_U);
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: UnicodeToAnsiPcs
|
||
|
|
//
|
||
|
|
// Synopsis: Wrapper to encapsulate translating a UNICODE crypt type value
|
||
|
|
// into its equivalent standard ANSI crypt type.
|
||
|
|
//
|
||
|
|
// Arguments: IN DWORD dwCrypt - The code to be converted
|
||
|
|
//
|
||
|
|
// Returns: Converted code
|
||
|
|
//
|
||
|
|
// History: nickball Created 06/02/99
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
inline DWORD UnicodeToAnsiPcs(IN DWORD dwCrypt)
|
||
|
|
{
|
||
|
|
return (dwCrypt & (~CMSECURE_ET_MASK_U));
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: IsUnicodePcs
|
||
|
|
//
|
||
|
|
// Synopsis: Wrapper to encapsulate determining if a crypt type has UNICODE
|
||
|
|
// designation.
|
||
|
|
//
|
||
|
|
// Arguments: IN DWORD dwCrypt - The code to be converted
|
||
|
|
//
|
||
|
|
// Returns: TRUE if UNICODE designation
|
||
|
|
//
|
||
|
|
// History: nickball Created 06/02/99
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
inline BOOL IsUnicodePcs(IN DWORD dwCrypt)
|
||
|
|
{
|
||
|
|
return (!!(dwCrypt & CMSECURE_ET_MASK_U)); // !! == (BOOL)
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: IsAnsiPcs
|
||
|
|
//
|
||
|
|
// Synopsis: Wrapper to encapsulate determining if a crypt type has Ansi
|
||
|
|
// designation.
|
||
|
|
//
|
||
|
|
// Arguments: IN DWORD dwCrypt - The code to be converted
|
||
|
|
//
|
||
|
|
// Returns: TRUE if Ansi designation
|
||
|
|
//
|
||
|
|
// History: nickball Created 06/02/99
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
inline BOOL IsAnsiPcs(IN DWORD dwCrypt)
|
||
|
|
{
|
||
|
|
return (!(dwCrypt & CMSECURE_ET_MASK_U));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
*/
|
||
|
|
#endif // _CMSECURE_INC_
|
||
|
|
|