summaryrefslogtreecommitdiff
path: root/plugins/CryptoPP/crypto/gost.h
diff options
context:
space:
mode:
authorVadim Dashevskiy <watcherhd@gmail.com>2012-05-15 10:38:20 +0000
committerVadim Dashevskiy <watcherhd@gmail.com>2012-05-15 10:38:20 +0000
commit48540940b6c28bb4378abfeb500ec45a625b37b6 (patch)
tree2ef294c0763e802f91d868bdef4229b6868527de /plugins/CryptoPP/crypto/gost.h
parent5c350913f011e119127baeb32a6aedeb4f0d33bc (diff)
initial commit
git-svn-id: http://svn.miranda-ng.org/main/trunk@2 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'plugins/CryptoPP/crypto/gost.h')
-rw-r--r--plugins/CryptoPP/crypto/gost.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/plugins/CryptoPP/crypto/gost.h b/plugins/CryptoPP/crypto/gost.h
new file mode 100644
index 0000000000..a919120b62
--- /dev/null
+++ b/plugins/CryptoPP/crypto/gost.h
@@ -0,0 +1,58 @@
+#ifndef CRYPTOPP_GOST_H
+#define CRYPTOPP_GOST_H
+
+/** \file
+*/
+
+#include "seckey.h"
+#include "secblock.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! _
+struct GOST_Info : public FixedBlockSize<8>, public FixedKeyLength<32>
+{
+ static const char *StaticAlgorithmName() {return "GOST";}
+};
+
+/// <a href="http://www.weidai.com/scan-mirror/cs.html#GOST">GOST</a>
+class GOST : public GOST_Info, public BlockCipherDocumentation
+{
+ class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<GOST_Info>
+ {
+ public:
+ void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
+
+ protected:
+ static void PrecalculateSTable();
+
+ static const byte sBox[8][16];
+ static bool sTableCalculated;
+ static word32 sTable[4][256];
+
+ FixedSizeSecBlock<word32, 8> key;
+ };
+
+ class CRYPTOPP_NO_VTABLE Enc : public Base
+ {
+ public:
+ void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+ };
+
+ class CRYPTOPP_NO_VTABLE Dec : public Base
+ {
+ public:
+ void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+ };
+
+public:
+ typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
+ typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
+};
+
+typedef GOST::Encryption GOSTEncryption;
+typedef GOST::Decryption GOSTDecryption;
+
+NAMESPACE_END
+
+#endif