VeraCrypt
aboutsummaryrefslogtreecommitdiff
path: root/src/Volume/EncryptionAlgorithm.cpp
diff options
context:
space:
mode:
authorlealem47 <60322859+lealem47@users.noreply.github.com>2023-11-12 16:51:31 -0700
committerGitHub <noreply@github.com>2023-11-13 00:51:31 +0100
commit9247ce1bb90c44d19a0069fadb12c0c480ac9b4f (patch)
tree66fb4728d502759271d03eba59d51c1a129b2ffb /src/Volume/EncryptionAlgorithm.cpp
parent458be85f84a097aa829658c50ce41d82791fb6a8 (diff)
downloadVeraCrypt-9247ce1bb90c44d19a0069fadb12c0c480ac9b4f.tar.gz
VeraCrypt-9247ce1bb90c44d19a0069fadb12c0c480ac9b4f.zip
wolfCrypt as crypto backend for VeraCrypt (#1227)
* wolfCrypt as crypto backend for VeraCrypt * Refactor to use EncryptionModeWolfCryptXTS class
Diffstat (limited to 'src/Volume/EncryptionAlgorithm.cpp')
-rw-r--r--src/Volume/EncryptionAlgorithm.cpp34
1 files changed, 31 insertions, 3 deletions
diff --git a/src/Volume/EncryptionAlgorithm.cpp b/src/Volume/EncryptionAlgorithm.cpp
index 85d9be1c..0178da00 100644
--- a/src/Volume/EncryptionAlgorithm.cpp
+++ b/src/Volume/EncryptionAlgorithm.cpp
@@ -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
}