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-rw-r--r--botan/src/pubkey/elgamal/elg_core.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/botan/src/pubkey/elgamal/elg_core.h b/botan/src/pubkey/elgamal/elg_core.h
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+++ b/botan/src/pubkey/elgamal/elg_core.h
@@ -0,0 +1,44 @@
+/*
+* ElGamal Core
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_ELGAMAL_CORE_H__
+#define BOTAN_ELGAMAL_CORE_H__
+
+#include <botan/elg_op.h>
+#include <botan/blinding.h>
+#include <botan/dl_group.h>
+
+namespace Botan {
+
+/*
+* ElGamal Core
+*/
+class BOTAN_DLL ELG_Core
+ {
+ public:
+ SecureVector<byte> encrypt(const byte[], u32bit, const BigInt&) const;
+ SecureVector<byte> decrypt(const byte[], u32bit) const;
+
+ ELG_Core& operator=(const ELG_Core&);
+
+ ELG_Core() { op = 0; }
+ ELG_Core(const ELG_Core&);
+
+ ELG_Core(const DL_Group&, const BigInt&);
+ ELG_Core(RandomNumberGenerator&, const DL_Group&,
+ const BigInt&, const BigInt&);
+
+ ~ELG_Core() { delete op; }
+ private:
+ ELG_Operation* op;
+ Blinder blinder;
+ u32bit p_bytes;
+ };
+
+}
+
+#endif