diff options
Diffstat (limited to 'src/lib/pubkey/ecgdsa/ecgdsa.cpp')
| -rw-r--r-- | src/lib/pubkey/ecgdsa/ecgdsa.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/src/lib/pubkey/ecgdsa/ecgdsa.cpp b/src/lib/pubkey/ecgdsa/ecgdsa.cpp index f8e5744d9..6cbd3453b 100644 --- a/src/lib/pubkey/ecgdsa/ecgdsa.cpp +++ b/src/lib/pubkey/ecgdsa/ecgdsa.cpp @@ -38,7 +38,6 @@ class ECGDSA_Signature_Operation final : public PK_Ops::Signature_with_EMSA const std::string& emsa) : PK_Ops::Signature_with_EMSA(emsa), m_group(ecgdsa.domain()), - m_base_point(m_group.get_base_point(), m_group.get_order()), m_x(ecgdsa.private_value()) { } @@ -50,8 +49,8 @@ class ECGDSA_Signature_Operation final : public PK_Ops::Signature_with_EMSA private: const EC_Group m_group; - Blinded_Point_Multiply m_base_point; const BigInt& m_x; + std::vector<BigInt> m_ws; }; secure_vector<uint8_t> @@ -62,7 +61,7 @@ ECGDSA_Signature_Operation::raw_sign(const uint8_t msg[], size_t msg_len, BigInt k = BigInt::random_integer(rng, 1, m_group.get_order()); - const PointGFp k_times_P = m_base_point.blinded_multiply(k, rng); + const PointGFp k_times_P = m_group.blinded_base_point_multiply(k, rng, m_ws); const BigInt r = m_group.mod_order(k_times_P.get_affine_x()); const BigInt s = m_group.multiply_mod_order(m_x, mul_sub(k, r, m)); |