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Add TrueCrypt 7.1a MacOSX/Linux specific source files.
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135
src/Volume/Hash.h
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135
src/Volume/Hash.h
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/*
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Copyright (c) 2008 TrueCrypt Developers Association. All rights reserved.
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Governed by the TrueCrypt License 3.0 the full text of which is contained in
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the file License.txt included in TrueCrypt binary and source code distribution
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packages.
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*/
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#ifndef TC_HEADER_Encryption_Hash
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#define TC_HEADER_Encryption_Hash
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#include "Platform/Platform.h"
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namespace TrueCrypt
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{
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class Hash;
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typedef list < shared_ptr <Hash> > HashList;
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class Hash
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{
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public:
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Hash () : Deprecated (false) { }
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virtual ~Hash () { }
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static HashList GetAvailableAlgorithms ();
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virtual void GetDigest (const BufferPtr &buffer) = 0;
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virtual size_t GetBlockSize () const = 0;
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virtual size_t GetDigestSize () const = 0;
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virtual wstring GetName () const = 0;
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virtual shared_ptr <Hash> GetNew () const = 0;
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virtual void Init () = 0;
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bool IsDeprecated () const { return Deprecated; }
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virtual void ProcessData (const ConstBufferPtr &data) = 0;
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virtual void ValidateDataParameters (const ConstBufferPtr &data) const;
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virtual void ValidateDigestParameters (const BufferPtr &buffer) const;
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protected:
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SecureBuffer Context;
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bool Deprecated;
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private:
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Hash (const Hash &);
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Hash &operator= (const Hash &);
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};
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// RIPEMD-160
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class Ripemd160 : public Hash
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{
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public:
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Ripemd160 ();
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virtual ~Ripemd160 () { }
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virtual void GetDigest (const BufferPtr &buffer);
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virtual size_t GetBlockSize () const { return 64; }
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virtual size_t GetDigestSize () const { return 160 / 8; }
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virtual wstring GetName () const { return L"RIPEMD-160"; }
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virtual shared_ptr <Hash> GetNew () const { return shared_ptr <Hash> (new Ripemd160); }
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virtual void Init ();
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virtual void ProcessData (const ConstBufferPtr &data);
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protected:
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private:
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Ripemd160 (const Ripemd160 &);
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Ripemd160 &operator= (const Ripemd160 &);
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};
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// SHA-1
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class Sha1 : public Hash
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{
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public:
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Sha1 ();
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virtual ~Sha1 () { }
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virtual void GetDigest (const BufferPtr &buffer);
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virtual size_t GetBlockSize () const { return 64; }
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virtual size_t GetDigestSize () const { return 160 / 8; }
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virtual wstring GetName () const { return L"SHA-1"; }
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virtual shared_ptr <Hash> GetNew () const { return shared_ptr <Hash> (new Sha1); }
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virtual void Init ();
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virtual void ProcessData (const ConstBufferPtr &data);
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protected:
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private:
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Sha1 (const Sha1 &);
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Sha1 &operator= (const Sha1 &);
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};
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// SHA-512
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class Sha512 : public Hash
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{
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public:
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Sha512 ();
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virtual ~Sha512 () { }
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virtual void GetDigest (const BufferPtr &buffer);
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virtual size_t GetBlockSize () const { return 128; }
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virtual size_t GetDigestSize () const { return 512 / 8; }
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virtual wstring GetName () const { return L"SHA-512"; }
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virtual shared_ptr <Hash> GetNew () const { return shared_ptr <Hash> (new Sha512); }
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virtual void Init ();
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virtual void ProcessData (const ConstBufferPtr &data);
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protected:
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private:
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Sha512 (const Sha512 &);
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Sha512 &operator= (const Sha512 &);
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};
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// Whirlpool
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class Whirlpool : public Hash
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{
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public:
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Whirlpool ();
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virtual ~Whirlpool () { }
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virtual void GetDigest (const BufferPtr &buffer);
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virtual size_t GetBlockSize () const { return 64; }
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virtual size_t GetDigestSize () const { return 512 / 8; }
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virtual wstring GetName () const { return L"Whirlpool"; }
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virtual shared_ptr <Hash> GetNew () const { return shared_ptr <Hash> (new Whirlpool); }
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virtual void Init ();
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virtual void ProcessData (const ConstBufferPtr &data);
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protected:
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private:
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Whirlpool (const Whirlpool &);
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Whirlpool &operator= (const Whirlpool &);
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};
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}
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#endif // TC_HEADER_Encryption_Hash
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