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  • Committer: Bazaar Package Importer
  • Author(s): Pierre Machard
  • Date: 2004-08-27 12:35:05 UTC
  • mfrom: (1.1.1 upstream)
  • Revision ID: james.westby@ubuntu.com-20040827123505-7evgxiu7k8memiyk
Tags: 5.2.1a-1
* Urgency set to high because lastest upload was unclean
* Rename libcrypto++-5.2.1.orig.tar.gz in  libcrypto++-5.2.1a.orig.tar.gz

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ecp.h
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NAMESPACE_BEGIN(CryptoPP)
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//! Elliptical Curve Point
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struct ECPPoint
 
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struct CRYPTOPP_DLL ECPPoint
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{
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        ECPPoint() : identity(true) {}
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        ECPPoint(const Integer &x, const Integer &y)
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        Integer x, y;
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};
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CRYPTOPP_DLL_TEMPLATE_CLASS AbstractGroup<ECPPoint>;
 
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//! Elliptic Curve over GF(p), where p is prime
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class ECP : public AbstractGroup<ECPPoint>
 
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class CRYPTOPP_DLL ECP : public AbstractGroup<ECPPoint>
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{
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public:
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        typedef ModularArithmetic Field;
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        const FieldElement & GetA() const {return m_a;}
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        const FieldElement & GetB() const {return m_b;}
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        bool operator==(const ECP &rhs) const
 
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                {return GetField() == rhs.GetField() && m_a == rhs.m_a && m_b == rhs.m_b;}
 
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private:
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        clonable_ptr<Field> m_fieldPtr;
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        FieldElement m_a, m_b;
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        mutable Point m_R;
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};
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CRYPTOPP_DLL_TEMPLATE_CLASS DL_FixedBasePrecomputationImpl<ECP::Point>;
 
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CRYPTOPP_DLL_TEMPLATE_CLASS DL_GroupPrecomputation<ECP::Point>;
 
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template <class T> class EcPrecomputation;
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//! .
 
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//! ECP precomputation
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template<> class EcPrecomputation<ECP> : public DL_GroupPrecomputation<ECP::Point>
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{
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public:
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        void DEREncodeElement(BufferedTransformation &bt, const Element &v) const {m_ec->DEREncodePoint(bt, v, false);}
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        // non-inherited
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        void SetCurve(const ECP &ec);
 
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        void SetCurve(const ECP &ec)
 
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        {
 
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                m_ec.reset(new ECP(ec, true));
 
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                m_ecOriginal = ec;
 
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        }
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        const ECP & GetCurve() const {return *m_ecOriginal;}
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private: