diff options
Diffstat (limited to 'src/lib/math/ec_gfp/point_gfp.h')
| -rw-r--r-- | src/lib/math/ec_gfp/point_gfp.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/src/lib/math/ec_gfp/point_gfp.h b/src/lib/math/ec_gfp/point_gfp.h index a2c7ae86a..dddd40b43 100644 --- a/src/lib/math/ec_gfp/point_gfp.h +++ b/src/lib/math/ec_gfp/point_gfp.h @@ -181,17 +181,28 @@ class BOTAN_PUBLIC_API(2,0) PointGFp final /** * Point addition - * @param workspace temp space, at least 9 elements + * @param workspace temp space, at least WORKSPACE_SIZE elements */ void add(const PointGFp& other, std::vector<BigInt>& workspace); /** * Point doubling - * @param workspace temp space, at least 10 elements + * @param workspace temp space, at least WORKSPACE_SIZE elements */ void mult2(std::vector<BigInt>& workspace); /** + * Point addition + * @param workspace temp space, at least WORKSPACE_SIZE elements + */ + PointGFp plus(const PointGFp& other, std::vector<BigInt>& workspace) const + { + PointGFp x = (*this); + x.add(other, workspace); + return x; + } + + /** * Return the zero (aka infinite) point associated with this curve */ PointGFp zero() const { return PointGFp(m_curve); } @@ -210,7 +221,7 @@ class BOTAN_PUBLIC_API(2,0) PointGFp final BOTAN_PUBLIC_API(2,0) PointGFp operator*(const BigInt& scalar, const PointGFp& point); /** -* ECC point multiexponentiation +* ECC point multiexponentiation - not constant time! * @param p1 a point * @param z1 a scalar * @param p2 a point |