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Annotation of truecrypt/volume/volumepassword.h, revision 1.1

1.1     ! root        1: /*
        !             2:  Copyright (c) 2008 TrueCrypt Foundation. All rights reserved.
        !             3: 
        !             4:  Governed by the TrueCrypt License 2.4 the full text of which is contained
        !             5:  in the file License.txt included in TrueCrypt binary and source code
        !             6:  distribution packages.
        !             7: */
        !             8: 
        !             9: #ifndef TC_HEADER_Encryption_Password
        !            10: #define TC_HEADER_Encryption_Password
        !            11: 
        !            12: #include "Platform/Platform.h"
        !            13: #include "Platform/Serializable.h"
        !            14: 
        !            15: namespace TrueCrypt
        !            16: {
        !            17:        class VolumePassword : public Serializable
        !            18:        {
        !            19:        public:
        !            20:                VolumePassword ();
        !            21:                VolumePassword (const byte *password, size_t size);   
        !            22:                VolumePassword (const char *password, size_t size);
        !            23:                VolumePassword (const wchar_t *password, size_t charCount);
        !            24:                VolumePassword (const wstring &password);
        !            25:                VolumePassword (const VolumePassword &password) { Set (password); }
        !            26:                virtual ~VolumePassword ();
        !            27: 
        !            28:                bool operator== (const VolumePassword &other) const { return ConstBufferPtr (DataPtr(), Size()).IsDataEqual (ConstBufferPtr (other.DataPtr(), other.Size())); }
        !            29:                bool operator!= (const VolumePassword &other) const { return !(*this == other); }
        !            30:                VolumePassword &operator= (const VolumePassword &password) { Set (password); return *this; }
        !            31: 
        !            32:                operator BufferPtr () const { return BufferPtr (PasswordBuffer); }
        !            33: 
        !            34:                void CheckPortability () const;
        !            35:                byte *DataPtr () const { return PasswordBuffer; }
        !            36:                bool IsEmpty () const { return PasswordSize == 0; }
        !            37:                size_t Size () const { return PasswordSize; }
        !            38:                void Set (const byte *password, size_t size);
        !            39:                void Set (const wchar_t *password, size_t charCount);
        !            40:                void Set (const ConstBufferPtr &password);
        !            41:                void Set (const VolumePassword &password);
        !            42: 
        !            43:                TC_SERIALIZABLE (VolumePassword);
        !            44: 
        !            45:                static const size_t MaxSize = 64;
        !            46:                static const size_t WarningSizeThreshold = 12;
        !            47: 
        !            48:        protected:
        !            49:                void AllocateBuffer ();
        !            50:                bool IsPortable () const;
        !            51: 
        !            52:                SecureBuffer PasswordBuffer;
        !            53: 
        !            54:                size_t PasswordSize;
        !            55:                bool Unportable;
        !            56:        };
        !            57: 
        !            58:        struct PasswordException : public Exception
        !            59:        {
        !            60:        protected:
        !            61:                PasswordException () { }
        !            62:                PasswordException (const string &message) : Exception (message) { }
        !            63:                PasswordException (const string &message, const wstring &subject) : Exception (message, subject) { }
        !            64:        };
        !            65: 
        !            66:        TC_EXCEPTION_DECL (PasswordIncorrect, PasswordException);
        !            67:        TC_EXCEPTION_DECL (PasswordKeyfilesIncorrect, PasswordIncorrect);
        !            68:        TC_EXCEPTION_DECL (ProtectionPasswordIncorrect, PasswordIncorrect);
        !            69:        TC_EXCEPTION_DECL (ProtectionPasswordKeyfilesIncorrect, PasswordIncorrect);
        !            70: 
        !            71: #define TC_EXCEPTION(NAME) TC_EXCEPTION_DECL(NAME,PasswordException)
        !            72: 
        !            73: #undef TC_EXCEPTION_SET
        !            74: #define TC_EXCEPTION_SET \
        !            75:        TC_EXCEPTION_NODECL (PasswordIncorrect); \
        !            76:        TC_EXCEPTION_NODECL (PasswordKeyfilesIncorrect); \
        !            77:        TC_EXCEPTION_NODECL (ProtectionPasswordIncorrect); \
        !            78:        TC_EXCEPTION_NODECL (ProtectionPasswordKeyfilesIncorrect); \
        !            79:        TC_EXCEPTION (PasswordEmpty); \
        !            80:        TC_EXCEPTION (PasswordTooLong); \
        !            81:        TC_EXCEPTION (UnportablePassword);
        !            82: 
        !            83:        TC_EXCEPTION_SET;
        !            84: 
        !            85: #undef TC_EXCEPTION
        !            86: }
        !            87: 
        !            88: #endif // TC_HEADER_Encryption_Password

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