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Annotation of truecrypt/volume/pkcs5kdf.h, revision 1.1.1.1

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_Pkcs5
                     10: #define TC_HEADER_Encryption_Pkcs5
                     11: 
                     12: #include "Platform/Platform.h"
                     13: #include "Hash.h"
                     14: #include "VolumePassword.h"
                     15: 
                     16: namespace TrueCrypt
                     17: {
                     18:        class Pkcs5Kdf;
                     19:        typedef list < shared_ptr <Pkcs5Kdf> > Pkcs5KdfList;
                     20: 
                     21:        class Pkcs5Kdf
                     22:        {
                     23:        public:
                     24:                virtual ~Pkcs5Kdf ();
                     25: 
                     26:                virtual void DeriveKey (const BufferPtr &key, const VolumePassword &password, const ConstBufferPtr &salt) const;
                     27:                virtual void DeriveKey (const BufferPtr &key, const VolumePassword &password, const ConstBufferPtr &salt, int iterationCount) const = 0;
                     28:                static shared_ptr <Pkcs5Kdf> GetAlgorithm (const wstring &name);
                     29:                static shared_ptr <Pkcs5Kdf> GetAlgorithm (const Hash &hash);
                     30:                static Pkcs5KdfList GetAvailableAlgorithms ();
                     31:                virtual shared_ptr <Hash> GetHash () const = 0;
                     32:                virtual int GetIterationCount () const = 0;
                     33:                virtual wstring GetName () const = 0;
                     34:                virtual bool IsDeprecated () const { return GetHash()->IsDeprecated(); }
                     35: 
                     36:        protected:
                     37:                Pkcs5Kdf ();
                     38: 
                     39:                void ValidateParameters (const BufferPtr &key, const VolumePassword &password, const ConstBufferPtr &salt, int iterationCount) const;
                     40: 
                     41:        private:
                     42:                Pkcs5Kdf (const Pkcs5Kdf &);
                     43:                Pkcs5Kdf &operator= (const Pkcs5Kdf &);
                     44:        };
                     45: 
                     46:        class Pkcs5HmacRipemd160 : public Pkcs5Kdf
                     47:        {
                     48:        public:
                     49:                Pkcs5HmacRipemd160 () { }
                     50:                virtual ~Pkcs5HmacRipemd160 () { }
                     51: 
                     52:                virtual void DeriveKey (const BufferPtr &key, const VolumePassword &password, const ConstBufferPtr &salt, int iterationCount) const;
                     53:                virtual shared_ptr <Hash> GetHash () const { return shared_ptr <Hash> (new Ripemd160); }
                     54:                virtual int GetIterationCount () const { return 2000; }
                     55:                virtual wstring GetName () const { return L"HMAC-RIPEMD-160"; }
                     56: 
                     57:        private:
                     58:                Pkcs5HmacRipemd160 (const Pkcs5HmacRipemd160 &);
                     59:                Pkcs5HmacRipemd160 &operator= (const Pkcs5HmacRipemd160 &);
                     60:        };
                     61: 
                     62:        class Pkcs5HmacSha1 : public Pkcs5Kdf
                     63:        {
                     64:        public:
                     65:                Pkcs5HmacSha1 () { }
                     66:                virtual ~Pkcs5HmacSha1 () { }
                     67: 
                     68:                virtual void DeriveKey (const BufferPtr &key, const VolumePassword &password, const ConstBufferPtr &salt, int iterationCount) const;
                     69:                virtual shared_ptr <Hash> GetHash () const { return shared_ptr <Hash> (new Sha1); }
                     70:                virtual int GetIterationCount () const { return 2000; }
                     71:                virtual wstring GetName () const { return L"HMAC-SHA-1"; }
                     72: 
                     73:        private:
                     74:                Pkcs5HmacSha1 (const Pkcs5HmacSha1 &);
                     75:                Pkcs5HmacSha1 &operator= (const Pkcs5HmacSha1 &);
                     76:        };
                     77: 
                     78:        class Pkcs5HmacSha512 : public Pkcs5Kdf
                     79:        {
                     80:        public:
                     81:                Pkcs5HmacSha512 () { }
                     82:                virtual ~Pkcs5HmacSha512 () { }
                     83: 
                     84:                virtual void DeriveKey (const BufferPtr &key, const VolumePassword &password, const ConstBufferPtr &salt, int iterationCount) const;
                     85:                virtual shared_ptr <Hash> GetHash () const { return shared_ptr <Hash> (new Sha512); }
                     86:                virtual int GetIterationCount () const { return 1000; }
                     87:                virtual wstring GetName () const { return L"HMAC-SHA-512"; }
                     88: 
                     89:        private:
                     90:                Pkcs5HmacSha512 (const Pkcs5HmacSha512 &);
                     91:                Pkcs5HmacSha512 &operator= (const Pkcs5HmacSha512 &);
                     92:        };
                     93: 
                     94:        class Pkcs5HmacWhirlpool : public Pkcs5Kdf
                     95:        {
                     96:        public:
                     97:                Pkcs5HmacWhirlpool () { }
                     98:                virtual ~Pkcs5HmacWhirlpool () { }
                     99: 
                    100:                virtual void DeriveKey (const BufferPtr &key, const VolumePassword &password, const ConstBufferPtr &salt, int iterationCount) const;
                    101:                virtual shared_ptr <Hash> GetHash () const { return shared_ptr <Hash> (new Whirlpool); }
                    102:                virtual int GetIterationCount () const { return 1000; }
                    103:                virtual wstring GetName () const { return L"HMAC-Whirlpool"; }
                    104: 
                    105:        private:
                    106:                Pkcs5HmacWhirlpool (const Pkcs5HmacWhirlpool &);
                    107:                Pkcs5HmacWhirlpool &operator= (const Pkcs5HmacWhirlpool &);
                    108:        };
                    109: }
                    110: 
                    111: #endif // TC_HEADER_Encryption_Pkcs5

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