From 490d36e65ac24e34e3021c2a0947384aee138c88 Mon Sep 17 00:00:00 2001 From: Malf Furious Date: Wed, 13 Apr 2016 21:05:14 -0400 Subject: Root commit for new Compass repository This is the Alpha version of ComPASS, originally developed sometime in 2014. --- cryptopp562/modexppc.h | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 cryptopp562/modexppc.h (limited to 'cryptopp562/modexppc.h') diff --git a/cryptopp562/modexppc.h b/cryptopp562/modexppc.h new file mode 100644 index 0000000..fbe7012 --- /dev/null +++ b/cryptopp562/modexppc.h @@ -0,0 +1,34 @@ +#ifndef CRYPTOPP_MODEXPPC_H +#define CRYPTOPP_MODEXPPC_H + +#include "modarith.h" +#include "eprecomp.h" +#include "smartptr.h" +#include "pubkey.h" + +NAMESPACE_BEGIN(CryptoPP) + +CRYPTOPP_DLL_TEMPLATE_CLASS DL_FixedBasePrecomputationImpl; + +class ModExpPrecomputation : public DL_GroupPrecomputation +{ +public: + // DL_GroupPrecomputation + bool NeedConversions() const {return true;} + Element ConvertIn(const Element &v) const {return m_mr->ConvertIn(v);} + virtual Element ConvertOut(const Element &v) const {return m_mr->ConvertOut(v);} + const AbstractGroup & GetGroup() const {return m_mr->MultiplicativeGroup();} + Element BERDecodeElement(BufferedTransformation &bt) const {return Integer(bt);} + void DEREncodeElement(BufferedTransformation &bt, const Element &v) const {v.DEREncode(bt);} + + // non-inherited + void SetModulus(const Integer &v) {m_mr.reset(new MontgomeryRepresentation(v));} + const Integer & GetModulus() const {return m_mr->GetModulus();} + +private: + value_ptr m_mr; +}; + +NAMESPACE_END + +#endif -- cgit v1.2.3