Add EC_Group::random_scalar

2 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/pubkey/sm2/sm2.cpp b/src/lib/pubkey/sm2/sm2.cpp
index cec9eaa38..4b5610c85 100644
--- a/src/lib/pubkey/sm2/sm2.cpp
+++ b/src/lib/pubkey/sm2/sm2.cpp
@@ -114,7 +114,7 @@ SM2_Signature_Operation::sign(RandomNumberGenerator& rng)
    {
    const BigInt e = BigInt::decode(m_hash->final());
 
-   const BigInt k = BigInt::random_integer(rng, 1, m_group.get_order());
+   const BigInt k = m_group.random_scalar(rng);
 
    const BigInt r = m_group.mod_order(
       m_group.blinded_base_point_multiply_x(k, rng, m_ws) + e);
diff --git a/src/lib/pubkey/sm2/sm2_enc.cpp b/src/lib/pubkey/sm2/sm2_enc.cpp
index 4a6aa2b6e..e3553d5b3 100644
--- a/src/lib/pubkey/sm2/sm2_enc.cpp
+++ b/src/lib/pubkey/sm2/sm2_enc.cpp
@@ -67,7 +67,7 @@ class SM2_Encryption_Operation final : public PK_Ops::Encryption
 
          const size_t p_bytes = m_group.get_p_bytes();
 
-         const BigInt k = BigInt::random_integer(rng, 1, m_group.get_order());
+         const BigInt k = m_group.random_scalar(rng);
 
          const PointGFp C1 = m_group.blinded_base_point_multiply(k, rng, m_ws);
          const BigInt x1 = C1.get_affine_x();