Botan::SolinasAccum< W, N > Class Template Reference

#include <pcurves_solinas.h>

Public Member Functions
constexpr void	accum (int64_t v)
constexpr W	final_carry (int64_t C)
constexpr	SolinasAccum (std::array< W, N > &r)

Static Public Attributes
static constexpr size_t	N32 = N * (WordInfo<W>::bits / 32)

Detailed Description

template<WordType W, size_t N>
class Botan::SolinasAccum< W, N >

Definition at line 44 of file pcurves_solinas.h.

Constructor & Destructor Documentation

SolinasAccum()

template<WordType W, size_t N>

Botan::SolinasAccum< W, N >::SolinasAccum ( std::array< W, N > & r )

inlineconstexpr

Definition at line 50 of file pcurves_solinas.h.

: m_r(r), m_S(0), m_idx(0) {}

Member Function Documentation

accum()

template<WordType W, size_t N>

void Botan::SolinasAccum< W, N >::accum ( int64_t v )

inlineconstexpr

Definition at line 52 of file pcurves_solinas.h.

                                      {
         BOTAN_DEBUG_ASSERT(m_idx < N32);
 
         m_S += v;
         const uint32_t r = static_cast<uint32_t>(m_S);
         m_S >>= 32;
 
         if constexpr(WordInfo<W>::bits == 32) {
            m_r[m_idx] = r;
         } else {
            m_r[m_idx / 2] |= static_cast<uint64_t>(r) << (32 * (m_idx % 2));
         }
 
         m_idx += 1;
      }

References BOTAN_DEBUG_ASSERT, and Botan::SolinasAccum< W, N >::N32.

final_carry()

template<WordType W, size_t N>

W Botan::SolinasAccum< W, N >::final_carry ( int64_t C )

inlineconstexpr

Definition at line 68 of file pcurves_solinas.h.

                                         {
         m_S += C;
         BOTAN_DEBUG_ASSERT(m_S >= 0);
         return static_cast<W>(m_S);
      }

References BOTAN_DEBUG_ASSERT.

Member Data Documentation

N32

template<WordType W, size_t N>

size_t Botan::SolinasAccum< W, N >::N32 = N * (WordInfo<W>::bits / 32)

staticconstexpr

Definition at line 48 of file pcurves_solinas.h.

Referenced by Botan::SolinasAccum< W, N >::accum().

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

• src/lib/math/pcurves/pcurves_impl/pcurves_solinas.h