diff options
Diffstat (limited to 'src/lib/math/ec_gfp/point_mul.cpp')
| -rw-r--r-- | src/lib/math/ec_gfp/point_mul.cpp | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/src/lib/math/ec_gfp/point_mul.cpp b/src/lib/math/ec_gfp/point_mul.cpp index d87f83349..5fc508126 100644 --- a/src/lib/math/ec_gfp/point_mul.cpp +++ b/src/lib/math/ec_gfp/point_mul.cpp @@ -32,22 +32,20 @@ void PointGFp_Blinded_Multiplier::init(const PointGFp& base, { m_h = (w == 0 ? 5 : w); - if(ws.size() < 9) - ws.resize(9); + if(ws.size() < PointGFp::WORKSPACE_SIZE) + ws.resize(PointGFp::WORKSPACE_SIZE); // Upper bound is a sanity check rather than hard limit if(m_h < 1 || m_h > 8) throw Invalid_Argument("PointGFp_Blinded_Multiplier invalid w param"); - const CurveGFp& curve = base.get_curve(); - #if USE_RANDOM_MONTY_WALK const PointGFp inv = -base; m_U.resize(6*m_h + 3); m_U[3*m_h+0] = inv; - m_U[3*m_h+1] = PointGFp::zero_of(curve); + m_U[3*m_h+1] = base.zero(); m_U[3*m_h+2] = base; for(size_t i = 1; i <= 3 * m_h + 1; ++i) @@ -61,7 +59,7 @@ void PointGFp_Blinded_Multiplier::init(const PointGFp& base, #else m_U.resize(1 << m_h); - m_U[0] = PointGFp::zero_of(curve); + m_U[0] = base.zero(); m_U[1] = base; for(size_t i = 2; i < m_U.size(); ++i) @@ -96,8 +94,8 @@ PointGFp PointGFp_Blinded_Multiplier::mul(const BigInt& k, const BigInt& scalar = k; #endif - if(ws.size() < 9) - ws.resize(9); + if(ws.size() < PointGFp::WORKSPACE_SIZE) + ws.resize(PointGFp::WORKSPACE_SIZE); const size_t scalar_bits = scalar.bits(); |