VeraCrypt
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-rw-r--r--src/Volume/Cipher.cpp48
1 files changed, 48 insertions, 0 deletions
diff --git a/src/Volume/Cipher.cpp b/src/Volume/Cipher.cpp
index de351ad..32f61b7 100644
--- a/src/Volume/Cipher.cpp
+++ b/src/Volume/Cipher.cpp
@@ -462,5 +462,53 @@ namespace VeraCrypt
{
kuznyechik_set_key (key, (kuznyechik_kds *) ScheduledKey.Ptr());
}
+ void CipherKuznyechik::EncryptBlocks (byte *data, size_t blockCount) const
+ {
+ if (!Initialized)
+ throw NotInitialized (SRC_POS);
+
+#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE
+ if ((blockCount >= 4)
+ && IsHwSupportAvailable())
+ {
+ kuznyechik_encrypt_blocks (data, data, blockCount, (kuznyechik_kds *) ScheduledKey.Ptr());
+ }
+ else
+#endif
+ Cipher::EncryptBlocks (data, blockCount);
+ }
+
+ void CipherKuznyechik::DecryptBlocks (byte *data, size_t blockCount) const
+ {
+ if (!Initialized)
+ throw NotInitialized (SRC_POS);
+
+#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE
+ if ((blockCount >= 4)
+ && IsHwSupportAvailable())
+ {
+ kuznyechik_decrypt_blocks (data, data, blockCount, (kuznyechik_kds *) ScheduledKey.Ptr());
+ }
+ else
+#endif
+ Cipher::DecryptBlocks (data, blockCount);
+ }
+
+ bool CipherKuznyechik::IsHwSupportAvailable () const
+ {
+#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE
+ static bool state = false;
+ static bool stateValid = false;
+
+ if (!stateValid)
+ {
+ state = HasSSE2() ? true : false;
+ stateValid = true;
+ }
+ return state;
+#else
+ return false;
+#endif
+ }
bool Cipher::HwSupportEnabled = true;
}