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wolfCrypt as crypto backend for VeraCrypt (#1227)

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* wolfCrypt as crypto backend for VeraCrypt

* Refactor to use EncryptionModeWolfCryptXTS class
This commit is contained in:
lealem47
2023-11-13 00:51:31 +01:00
committed by GitHub
parent 458be85f84
commit 9247ce1bb9
36 changed files with 1104 additions and 220 deletions
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src/Volume/EncryptionAlgorithm.cpp
+31 -3
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@@ -12,6 +12,9 @@
#include "EncryptionAlgorithm.h"
#include "EncryptionModeXTS.h"
#ifdef WOLFCRYPT_BACKEND
#include "EncryptionModeWolfCryptXTS.h"
#endif
namespace VeraCrypt
{
@@ -62,6 +65,7 @@ namespace VeraCrypt
EncryptionAlgorithmList l;
l.push_back (shared_ptr <EncryptionAlgorithm> (new AES ()));
#ifndef WOLFCRYPT_BACKEND
l.push_back (shared_ptr <EncryptionAlgorithm> (new Serpent ()));
l.push_back (shared_ptr <EncryptionAlgorithm> (new Twofish ()));
l.push_back (shared_ptr <EncryptionAlgorithm> (new Camellia ()));
@@ -76,7 +80,7 @@ namespace VeraCrypt
l.push_back (shared_ptr <EncryptionAlgorithm> (new SerpentAES ()));
l.push_back (shared_ptr <EncryptionAlgorithm> (new SerpentTwofishAES ()));
l.push_back (shared_ptr <EncryptionAlgorithm> (new TwofishSerpent ()));
#endif
return l;
}
@@ -215,7 +219,25 @@ namespace VeraCrypt
}
}
void EncryptionAlgorithm::ValidateState () const
#ifdef WOLFCRYPT_BACKEND
void EncryptionAlgorithm::SetKeyXTS (const ConstBufferPtr &key)
{
if (Ciphers.size() < 1)
throw NotInitialized (SRC_POS);
if (GetKeySize() != key.Size())
throw ParameterIncorrect (SRC_POS);
size_t keyOffset = 0;
foreach_ref (Cipher &c, Ciphers)
{
c.SetKeyXTS (key.GetRange (keyOffset, c.GetKeySize()));
keyOffset += c.GetKeySize();
}
}
#endif
void EncryptionAlgorithm::ValidateState () const
{
if (Ciphers.size() < 1 || Mode.get() == nullptr)
throw NotInitialized (SRC_POS);
@@ -226,9 +248,14 @@ namespace VeraCrypt
{
Ciphers.push_back (shared_ptr <Cipher> (new CipherAES()));
#ifdef WOLFCRYPT_BACKEND
SupportedModes.push_back (shared_ptr <EncryptionMode> (new EncryptionModeWolfCryptXTS ()));
#else
SupportedModes.push_back (shared_ptr <EncryptionMode> (new EncryptionModeXTS ()));
}
#endif
}
#ifndef WOLFCRYPT_BACKEND
// AES-Twofish
AESTwofish::AESTwofish ()
{
@@ -353,4 +380,5 @@ namespace VeraCrypt
SupportedModes.push_back (shared_ptr <EncryptionMode> (new EncryptionModeXTS ()));
}
#endif
}