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77 lines
1.3 KiB
77 lines
1.3 KiB
/*++
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Copyright (c) 2003 Microsoft Corporation
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Module Name:
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xstring.h
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Abstract:
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Author:
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Stephen A Sulzer (ssulzer) 16-Jan-2003
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--*/
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//
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// class implementation of CSecureString
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//
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class CSecureStr
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{
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LPSTR _lpsz;
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int _stringLength;
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bool _fEncryptString;
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bool _fOwnString;
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public:
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CSecureStr()
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{
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_lpsz = NULL;
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_stringLength = 0;
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_fEncryptString = true;
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_fOwnString = true;
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}
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CSecureStr(LPSTR lpszEncryptedString, int stringLength, bool fOwnString)
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{
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_lpsz = lpszEncryptedString;
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_stringLength = stringLength;
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_fEncryptString = true;
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_fOwnString = fOwnString;
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}
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~CSecureStr()
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{
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Free();
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}
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void Free (void)
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{
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if (_lpsz && _fOwnString)
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{
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SecureZeroMemory(_lpsz, _stringLength);
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delete [] _lpsz;
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}
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_lpsz = NULL;
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_stringLength = 0;
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}
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LPSTR GetPtr(void)
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{
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return _lpsz;
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}
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DWORD GetStrLen() const // returns length of encrypted string
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{
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return _stringLength;
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}
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LPSTR GetUnencryptedString(); // always allocates memory regardless of _fEncryptString
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BOOL SetData(LPSTR lpszIn);
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};
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