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Member "src/Volume/Pkcs5Kdf.cpp" (10 Oct 2018, 5496 Bytes) of package /windows/misc/VeraCrypt_1.23-Hotfix-2_Source.zip:


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    1 /*
    2  Derived from source code of TrueCrypt 7.1a, which is
    3  Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed
    4  by the TrueCrypt License 3.0.
    5 
    6  Modifications and additions to the original source code (contained in this file)
    7  and all other portions of this file are Copyright (c) 2013-2017 IDRIX
    8  and are governed by the Apache License 2.0 the full text of which is
    9  contained in the file License.txt included in VeraCrypt binary and source
   10  code distribution packages.
   11 */
   12 
   13 #include "Common/Pkcs5.h"
   14 #include "Pkcs5Kdf.h"
   15 #include "VolumePassword.h"
   16 
   17 namespace VeraCrypt
   18 {
   19     Pkcs5Kdf::Pkcs5Kdf (bool truecryptMode) : m_truecryptMode(truecryptMode)
   20     {
   21     }
   22 
   23     Pkcs5Kdf::~Pkcs5Kdf ()
   24     {
   25     }
   26 
   27     void Pkcs5Kdf::DeriveKey (const BufferPtr &key, const VolumePassword &password, int pim, const ConstBufferPtr &salt) const
   28     {
   29         DeriveKey (key, password, salt, GetIterationCount(pim));
   30     }
   31 
   32     shared_ptr <Pkcs5Kdf> Pkcs5Kdf::GetAlgorithm (const wstring &name, bool truecryptMode)
   33     {
   34         foreach (shared_ptr <Pkcs5Kdf> kdf, GetAvailableAlgorithms(truecryptMode))
   35         {
   36             if (kdf->GetName() == name)
   37                 return kdf;
   38         }
   39         throw ParameterIncorrect (SRC_POS);
   40     }
   41 
   42     shared_ptr <Pkcs5Kdf> Pkcs5Kdf::GetAlgorithm (const Hash &hash, bool truecryptMode)
   43     {
   44         foreach (shared_ptr <Pkcs5Kdf> kdf, GetAvailableAlgorithms(truecryptMode))
   45         {
   46             if (typeid (*kdf->GetHash()) == typeid (hash))
   47                 return kdf;
   48         }
   49 
   50         throw ParameterIncorrect (SRC_POS);
   51     }
   52 
   53     Pkcs5KdfList Pkcs5Kdf::GetAvailableAlgorithms (bool truecryptMode)
   54     {
   55         Pkcs5KdfList l;
   56 
   57         if (truecryptMode)
   58         {
   59             l.push_back (shared_ptr <Pkcs5Kdf> (new Pkcs5HmacRipemd160 (true)));
   60             l.push_back (shared_ptr <Pkcs5Kdf> (new Pkcs5HmacSha512 (true)));
   61             l.push_back (shared_ptr <Pkcs5Kdf> (new Pkcs5HmacWhirlpool (true)));
   62         }
   63         else
   64         {
   65             l.push_back (shared_ptr <Pkcs5Kdf> (new Pkcs5HmacSha512 (false)));
   66             l.push_back (shared_ptr <Pkcs5Kdf> (new Pkcs5HmacWhirlpool (false)));
   67             l.push_back (shared_ptr <Pkcs5Kdf> (new Pkcs5HmacSha256 ()));
   68             l.push_back (shared_ptr <Pkcs5Kdf> (new Pkcs5HmacRipemd160 (false)));
   69             l.push_back (shared_ptr <Pkcs5Kdf> (new Pkcs5HmacStreebog ()));
   70         }
   71 
   72         return l;
   73     }
   74 
   75     void Pkcs5Kdf::ValidateParameters (const BufferPtr &key, const VolumePassword &password, const ConstBufferPtr &salt, int iterationCount) const
   76     {
   77         if (key.Size() < 1 || password.Size() < 1 || salt.Size() < 1 || iterationCount < 1)
   78             throw ParameterIncorrect (SRC_POS);
   79     }
   80 
   81     void Pkcs5HmacRipemd160::DeriveKey (const BufferPtr &key, const VolumePassword &password, const ConstBufferPtr &salt, int iterationCount) const
   82     {
   83         ValidateParameters (key, password, salt, iterationCount);
   84         derive_key_ripemd160 ((char *) password.DataPtr(), (int) password.Size(), (char *) salt.Get(), (int) salt.Size(), iterationCount, (char *) key.Get(), (int) key.Size());
   85     }
   86 
   87     void Pkcs5HmacRipemd160_1000::DeriveKey (const BufferPtr &key, const VolumePassword &password, const ConstBufferPtr &salt, int iterationCount) const
   88     {
   89         ValidateParameters (key, password, salt, iterationCount);
   90         derive_key_ripemd160 ((char *) password.DataPtr(), (int) password.Size(), (char *) salt.Get(), (int) salt.Size(), iterationCount, (char *) key.Get(), (int) key.Size());
   91     }
   92 
   93     void Pkcs5HmacSha256_Boot::DeriveKey (const BufferPtr &key, const VolumePassword &password, const ConstBufferPtr &salt, int iterationCount) const
   94     {
   95         ValidateParameters (key, password, salt, iterationCount);
   96         derive_key_sha256 ((char *) password.DataPtr(), (int) password.Size(), (char *) salt.Get(), (int) salt.Size(), iterationCount, (char *) key.Get(), (int) key.Size());
   97     }
   98 
   99     void Pkcs5HmacSha256::DeriveKey (const BufferPtr &key, const VolumePassword &password, const ConstBufferPtr &salt, int iterationCount) const
  100     {
  101         ValidateParameters (key, password, salt, iterationCount);
  102         derive_key_sha256 ((char *) password.DataPtr(), (int) password.Size(), (char *) salt.Get(), (int) salt.Size(), iterationCount, (char *) key.Get(), (int) key.Size());
  103     }
  104 
  105     void Pkcs5HmacSha512::DeriveKey (const BufferPtr &key, const VolumePassword &password, const ConstBufferPtr &salt, int iterationCount) const
  106     {
  107         ValidateParameters (key, password, salt, iterationCount);
  108         derive_key_sha512 ((char *) password.DataPtr(), (int) password.Size(), (char *) salt.Get(), (int) salt.Size(), iterationCount, (char *) key.Get(), (int) key.Size());
  109     }
  110 
  111     void Pkcs5HmacWhirlpool::DeriveKey (const BufferPtr &key, const VolumePassword &password, const ConstBufferPtr &salt, int iterationCount) const
  112     {
  113         ValidateParameters (key, password, salt, iterationCount);
  114         derive_key_whirlpool ((char *) password.DataPtr(), (int) password.Size(), (char *) salt.Get(), (int) salt.Size(), iterationCount, (char *) key.Get(), (int) key.Size());
  115     }
  116     
  117     void Pkcs5HmacStreebog::DeriveKey (const BufferPtr &key, const VolumePassword &password, const ConstBufferPtr &salt, int iterationCount) const
  118     {
  119         ValidateParameters (key, password, salt, iterationCount);
  120         derive_key_streebog ((char *) password.DataPtr(), (int) password.Size(), (char *) salt.Get(), (int) salt.Size(), iterationCount, (char *) key.Get(), (int) key.Size());
  121     }
  122     
  123     void Pkcs5HmacStreebog_Boot::DeriveKey (const BufferPtr &key, const VolumePassword &password, const ConstBufferPtr &salt, int iterationCount) const
  124     {
  125         ValidateParameters (key, password, salt, iterationCount);
  126         derive_key_streebog ((char *) password.DataPtr(), (int) password.Size(), (char *) salt.Get(), (int) salt.Size(), iterationCount, (char *) key.Get(), (int) key.Size());
  127     }
  128 }