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Linux/MacOSX: Enhance performance by implementing the possibility to choose the correct hash algorithm of volumes during various operations (mount, change password...), both using the GUI and the command line.

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This commit is contained in:
Mounir IDRASSI
2014-12-19 18:18:23 +01:00
parent 18dc75ee62
commit 07156b6c09
26 changed files with 160 additions and 36 deletions
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30
src/Main/TextUserInterface.cpp Normal file → Executable file
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@@ -244,6 +244,12 @@ namespace VeraCrypt
#endif
ShowInfo ("EXTERNAL_VOL_HEADER_BAK_FIRST_INFO");
shared_ptr <Pkcs5Kdf> kdf;
if (CmdLine->ArgHash)
{
kdf = Pkcs5Kdf::GetAlgorithm (*CmdLine->ArgHash);
}
shared_ptr <Volume> normalVolume;
shared_ptr <Volume> hiddenVolume;
@@ -274,9 +280,11 @@ namespace VeraCrypt
options->Path,
options->PreserveTimestamps,
options->Password,
kdf,
options->Keyfiles,
options->Protection,
options->ProtectionPassword,
options->ProtectionKdf,
options->ProtectionKeyfiles,
true,
volumeType,
@@ -359,7 +367,7 @@ namespace VeraCrypt
ShowInfo ("VOL_HEADER_BACKED_UP");
}
void TextUserInterface::ChangePassword (shared_ptr <VolumePath> volumePath, shared_ptr <VolumePassword> password, shared_ptr <KeyfileList> keyfiles, shared_ptr <VolumePassword> newPassword, shared_ptr <KeyfileList> newKeyfiles, shared_ptr <Hash> newHash) const
void TextUserInterface::ChangePassword (shared_ptr <VolumePath> volumePath, shared_ptr <VolumePassword> password, shared_ptr <Hash> currentHash, shared_ptr <KeyfileList> keyfiles, shared_ptr <VolumePassword> newPassword, shared_ptr <KeyfileList> newKeyfiles, shared_ptr <Hash> newHash) const
{
shared_ptr <Volume> volume;
@@ -378,6 +386,12 @@ namespace VeraCrypt
bool passwordInteractive = !password.get();
bool keyfilesInteractive = !keyfiles.get();
shared_ptr<Pkcs5Kdf> kdf;
if (currentHash)
{
kdf = Pkcs5Kdf::GetAlgorithm (*currentHash);
}
while (true)
{
// Current password
@@ -406,7 +420,7 @@ namespace VeraCrypt
try
{
keyfiles.reset (new KeyfileList);
volume = Core->OpenVolume (volumePath, Preferences.DefaultMountOptions.PreserveTimestamps, password, keyfiles);
volume = Core->OpenVolume (volumePath, Preferences.DefaultMountOptions.PreserveTimestamps, password, kdf, keyfiles);
}
catch (PasswordException&)
{
@@ -416,7 +430,7 @@ namespace VeraCrypt
}
if (!volume.get())
volume = Core->OpenVolume (volumePath, Preferences.DefaultMountOptions.PreserveTimestamps, password, keyfiles);
volume = Core->OpenVolume (volumePath, Preferences.DefaultMountOptions.PreserveTimestamps, password, kdf, keyfiles);
}
catch (PasswordException &e)
{
@@ -1285,6 +1299,12 @@ namespace VeraCrypt
// Ask whether to restore internal or external backup
bool restoreInternalBackup;
shared_ptr <Pkcs5Kdf> kdf;
if (CmdLine->ArgHash)
{
kdf = Pkcs5Kdf::GetAlgorithm (*CmdLine->ArgHash);
}
ShowInfo (LangString["HEADER_RESTORE_EXTERNAL_INTERNAL"]);
ShowInfo (L"\n1) " + LangString["HEADER_RESTORE_INTERNAL"]);
ShowInfo (L"2) " + LangString["HEADER_RESTORE_EXTERNAL"] + L"\n");
@@ -1325,9 +1345,11 @@ namespace VeraCrypt
options.Path,
options.PreserveTimestamps,
options.Password,
kdf,
options.Keyfiles,
options.Protection,
options.ProtectionPassword,
options.ProtectionKdf,
options.ProtectionKeyfiles,
options.SharedAccessAllowed,
VolumeType::Unknown,
@@ -1432,7 +1454,7 @@ namespace VeraCrypt
// Decrypt header
shared_ptr <VolumePassword> passwordKey = Keyfile::ApplyListToPassword (options.Keyfiles, options.Password);
if (layout->GetHeader()->Decrypt (headerBuffer, *passwordKey, layout->GetSupportedKeyDerivationFunctions(), layout->GetSupportedEncryptionAlgorithms(), layout->GetSupportedEncryptionModes()))
if (layout->GetHeader()->Decrypt (headerBuffer, *passwordKey, kdf, layout->GetSupportedKeyDerivationFunctions(), layout->GetSupportedEncryptionAlgorithms(), layout->GetSupportedEncryptionModes()))
{
decryptedLayout = layout;
break;