VeraCrypt
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path: root/src/Common/libzip/zip_replace.c
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/*
  zip_replace.c -- replace file via callback function
  Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner

  This file is part of libzip, a library to manipulate ZIP archives.
  The authors can be contacted at <libzip@nih.at>

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions
  are met:
  1. Redistributions of source code must retain the above copyright
     notice, this list of conditions and the following disclaimer.
  2. Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in
     the documentation and/or other materials provided with the
     distribution.
  3. The names of the authors may not be used to endorse or promote
     products derived from this software without specific prior
     written permission.

  THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/


#define _ZIP_COMPILING_DEPRECATED
#include "zipint.h"


ZIP_EXTERN int
zip_replace(zip_t *za, zip_uint64_t idx, zip_source_t *source) {
    return zip_file_replace(za, idx, source, 0);
}
span>Cipher> > CipherList; class Cipher { public: virtual ~Cipher (); virtual void DecryptBlock (byte *data) const; virtual void DecryptBlocks (byte *data, size_t blockCount) const; static void EnableHwSupport (bool enable) { HwSupportEnabled = enable; } virtual void EncryptBlock (byte *data) const; virtual void EncryptBlocks (byte *data, size_t blockCount) const; static CipherList GetAvailableCiphers (); virtual size_t GetBlockSize () const = 0; virtual const SecureBuffer &GetKey () const { return Key; } virtual size_t GetKeySize () const = 0; virtual wstring GetName () const = 0; virtual shared_ptr <Cipher> GetNew () const = 0; virtual bool IsHwSupportAvailable () const { return false; } static bool IsHwSupportEnabled () { return HwSupportEnabled; } virtual void SetKey (const ConstBufferPtr &key); static const int MaxBlockSize = 16; protected: Cipher (); virtual void Decrypt (byte *data) const = 0; virtual void Encrypt (byte *data) const = 0; virtual size_t GetScheduledKeySize () const = 0; virtual void SetCipherKey (const byte *key) = 0; static bool HwSupportEnabled; bool Initialized; SecureBuffer Key; SecureBuffer ScheduledKey; private: Cipher (const Cipher &); Cipher &operator= (const Cipher &); }; struct CipherException : public Exception { protected: CipherException () { } CipherException (const string &message) : Exception (message) { } CipherException (const string &message, const wstring &subject) : Exception (message, subject) { } }; #define TC_CIPHER(NAME, BLOCK_SIZE, KEY_SIZE) \ class TC_JOIN (Cipher,NAME) : public Cipher \ { \ public: \ TC_JOIN (Cipher,NAME) () { } \ virtual ~TC_JOIN (Cipher,NAME) () { } \ \ virtual size_t GetBlockSize () const { return BLOCK_SIZE; }; \ virtual size_t GetKeySize () const { return KEY_SIZE; }; \ virtual wstring GetName () const { return L###NAME; }; \ virtual shared_ptr <Cipher> GetNew () const { return shared_ptr <Cipher> (new TC_JOIN (Cipher,NAME)()); } \ TC_CIPHER_ADD_METHODS \ \ protected: \ virtual void Decrypt (byte *data) const; \ virtual void Encrypt (byte *data) const; \ virtual size_t GetScheduledKeySize () const; \ virtual void SetCipherKey (const byte *key); \ \ private: \ TC_JOIN (Cipher,NAME) (const TC_JOIN (Cipher,NAME) &); \ TC_JOIN (Cipher,NAME) &operator= (const TC_JOIN (Cipher,NAME) &); \ } #define TC_CIPHER_ADD_METHODS \ virtual void DecryptBlocks (byte *data, size_t blockCount) const; \ virtual void EncryptBlocks (byte *data, size_t blockCount) const; \ virtual bool IsHwSupportAvailable () const; TC_CIPHER (AES, 16, 32); #undef TC_CIPHER_ADD_METHODS #define TC_CIPHER_ADD_METHODS TC_CIPHER (Blowfish, 8, 56); TC_CIPHER (Cast5, 8, 16); TC_CIPHER (Serpent, 16, 32); TC_CIPHER (TripleDES, 8, 24); TC_CIPHER (Twofish, 16, 32); #undef TC_CIPHER #define TC_EXCEPTION(NAME) TC_EXCEPTION_DECL(NAME,CipherException) #undef TC_EXCEPTION_SET #define TC_EXCEPTION_SET \ TC_EXCEPTION (CipherInitError); \ TC_EXCEPTION (WeakKeyDetected); TC_EXCEPTION_SET; #undef TC_EXCEPTION #if (defined (TC_ARCH_X86) || defined (TC_ARCH_X64)) && !defined (__ppc__) # define TC_AES_HW_CPU #endif } #endif // TC_HEADER_Encryption_Ciphers