Botan::CurveGFp_Repr Class Reference

#include <curve_gfp.h>

Public Member Functions
virtual	~CurveGFp_Repr ()=default

Protected Member Functions
virtual bool	a_is_minus_3 () const =0
virtual bool	a_is_zero () const =0
void	curve_mul (BigInt &z, const BigInt &x, const BigInt &y, secure_vector< word > &ws) const
virtual void	curve_mul_words (BigInt &z, const word x_words[], size_t x_size, const BigInt &y, secure_vector< word > &ws) const =0
void	curve_sqr (BigInt &z, const BigInt &x, secure_vector< word > &ws) const
virtual void	curve_sqr_words (BigInt &z, const word x_words[], size_t x_size, secure_vector< word > &ws) const =0
virtual void	from_curve_rep (BigInt &x, secure_vector< word > &ws) const =0
virtual const BigInt &	get_1_rep () const =0
virtual const BigInt &	get_a () const =0
virtual const BigInt &	get_a_rep () const =0
virtual const BigInt &	get_b () const =0
virtual const BigInt &	get_b_rep () const =0
virtual const BigInt &	get_p () const =0
virtual size_t	get_p_bits () const =0
size_t	get_p_words () const
virtual size_t	get_ws_size () const =0
virtual BigInt	invert_element (const BigInt &x, secure_vector< word > &ws) const =0
virtual bool	is_one (const BigInt &x) const =0
virtual void	to_curve_rep (BigInt &x, secure_vector< word > &ws) const =0

Friends
class	CurveGFp

Detailed Description

Definition at line 21 of file curve_gfp.h.

Constructor & Destructor Documentation

~CurveGFp_Repr()

virtual Botan::CurveGFp_Repr::~CurveGFp_Repr ( )

virtualdefault

Member Function Documentation

a_is_minus_3()

virtual bool Botan::CurveGFp_Repr::a_is_minus_3 ( ) const

protectedpure virtual

a_is_zero()

virtual bool Botan::CurveGFp_Repr::a_is_zero ( ) const

protectedpure virtual

curve_mul()

void Botan::CurveGFp_Repr::curve_mul ( BigInt & z, const BigInt & x, const BigInt & y, secure_vector< word > & ws ) const

inlineprotected

Definition at line 68 of file curve_gfp.h.

                                                                                                 {
         BOTAN_DEBUG_ASSERT(x.sig_words() <= get_p_words());
         curve_mul_words(z, x._data(), x.size(), y, ws);
      }

References Botan::BigInt::_data(), BOTAN_DEBUG_ASSERT, Botan::BigInt::sig_words(), and Botan::BigInt::size().

curve_mul_words()

virtual void Botan::CurveGFp_Repr::curve_mul_words ( BigInt & z, const word x_words[], size_t x_size, const BigInt & y, secure_vector< word > & ws ) const

protectedpure virtual

curve_sqr()

void Botan::CurveGFp_Repr::curve_sqr ( BigInt & z, const BigInt & x, secure_vector< word > & ws ) const

inlineprotected

Definition at line 76 of file curve_gfp.h.

                                                                                {
         BOTAN_DEBUG_ASSERT(x.sig_words() <= get_p_words());
         curve_sqr_words(z, x._data(), x.size(), ws);
      }

References Botan::BigInt::_data(), BOTAN_DEBUG_ASSERT, Botan::BigInt::sig_words(), and Botan::BigInt::size().

curve_sqr_words()

virtual void Botan::CurveGFp_Repr::curve_sqr_words ( BigInt & z, const word x_words[], size_t x_size, secure_vector< word > & ws ) const

protectedpure virtual

from_curve_rep()

virtual void Botan::CurveGFp_Repr::from_curve_rep ( BigInt & x, secure_vector< word > & ws ) const

protectedpure virtual

get_1_rep()

virtual const BigInt & Botan::CurveGFp_Repr::get_1_rep ( ) const

protectedpure virtual

get_a()

virtual const BigInt & Botan::CurveGFp_Repr::get_a ( ) const

protectedpure virtual

get_a_rep()

virtual const BigInt & Botan::CurveGFp_Repr::get_a_rep ( ) const

protectedpure virtual

get_b()

virtual const BigInt & Botan::CurveGFp_Repr::get_b ( ) const

protectedpure virtual

get_b_rep()

virtual const BigInt & Botan::CurveGFp_Repr::get_b_rep ( ) const

protectedpure virtual

get_p()

virtual const BigInt & Botan::CurveGFp_Repr::get_p ( ) const

protectedpure virtual

get_p_bits()

virtual size_t Botan::CurveGFp_Repr::get_p_bits ( ) const

protectedpure virtual

get_p_words()

size_t Botan::CurveGFp_Repr::get_p_words ( ) const

inlineprotected

Definition at line 32 of file curve_gfp.h.

                                 {
         const size_t W_bits = sizeof(word) * 8;
         return (get_p_bits() + W_bits - 1) / W_bits;
      }

get_ws_size()

virtual size_t Botan::CurveGFp_Repr::get_ws_size ( ) const

protectedpure virtual

invert_element()

virtual BigInt Botan::CurveGFp_Repr::invert_element ( const BigInt & x, secure_vector< word > & ws ) const

protectedpure virtual

is_one()

virtual bool Botan::CurveGFp_Repr::is_one ( const BigInt & x ) const

protectedpure virtual

to_curve_rep()

virtual void Botan::CurveGFp_Repr::to_curve_rep ( BigInt & x, secure_vector< word > & ws ) const

protectedpure virtual

Friends And Related Symbol Documentation

CurveGFp

friend class CurveGFp

friend

Definition at line 25 of file curve_gfp.h.

---

The documentation for this class was generated from the following file:

• src/lib/pubkey/ec_group/curve_gfp.h