Restore ECP ABI (GH #869)

Placing AdditionFunction as an inner class of ECP broke the ABI. We need to maintain the ABI so distros can patch Crypto++ 8.2.

1 files changed, 0 insertions, 36 deletions

diff --git a/ecp.h b/ecp.h
index dc4e86b0..f7c919aa 100644
--- a/ecp.h
+++ b/ecp.h
@@ -106,42 +106,6 @@ public:
 	bool operator==(const ECP &rhs) const

 		{return GetField() == rhs.GetField() && m_a == rhs.m_a && m_b == rhs.m_b;}

 

-protected:

-	/// \brief Addition and Double functions

-	/// \sa <A HREF="https://eprint.iacr.org/2015/1060.pdf">Complete

-	///  addition formulas for prime order elliptic curves</A>

-	class AdditionFunction

-	{

-	public:

-		explicit AdditionFunction(const ECP& ecp);

-		// Double(P)

-		Point operator()(const Point& P) const;

-		// Add(P, Q)

-		Point operator()(const Point& P, const Point& Q) const;

-

-	protected:

-		/// \brief Parameters and representation for Addition

-		/// \details Addition and Doubling will use different algorithms,

-		///  depending on the <tt>A</tt> coefficient and the representation

-		///  (Affine or Montgomery with precomputation).

-		enum Alpha {

-			/// \brief Coefficient A is 0

-			A_0=1,

-			/// \brief Coefficient A is -3

-			A_3=2,

-			/// \brief Coefficient A is arbitrary

-			A_Star=4,

-			/// \brief Representation is Montgomery

-			A_Montgomery=8

-		};

-

-		const ECP& m_ecp;

-		Alpha m_alpha;

-

-	private:

-		AdditionFunction(const AdditionFunction&);

-	};

-

 private:

 	clonable_ptr<Field> m_fieldPtr;

 	FieldElement m_a, m_b;