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| author | Dusan Klinec <dusan.klinec@gmail.com> | 2022-04-26 13:37:11 +0200 |
|---|---|---|
| committer | Dusan Klinec <dusan.klinec@gmail.com> | 2022-04-26 13:37:11 +0200 |
| commit | 4f08bcd80059339d14adf199d07c040a42fb4761 (patch) | |
| tree | ebe62a4adaa612204ea179304288dfd938b50879 | |
| parent | Merge pull request #8275 (diff) | |
| download | monero-4f08bcd80059339d14adf199d07c040a42fb4761.tar.xz | |
refactor(bp+): save one inversion, use sc_muladd
| -rw-r--r-- | src/ringct/bulletproofs_plus.cc | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/ringct/bulletproofs_plus.cc b/src/ringct/bulletproofs_plus.cc index 3d27849c1..231a88180 100644 --- a/src/ringct/bulletproofs_plus.cc +++ b/src/ringct/bulletproofs_plus.cc @@ -644,8 +644,7 @@ try_again: { sc_mul(temp.bytes, temp.bytes, z_squared.bytes); sc_mul(temp2.bytes, y_powers[MN+1].bytes, temp.bytes); - sc_mul(temp2.bytes, temp2.bytes, gamma[j].bytes); - sc_add(alpha1.bytes, alpha1.bytes, temp2.bytes); + sc_muladd(alpha1.bytes, temp2.bytes, gamma[j].bytes, alpha1.bytes); } // These are used in the inner product rounds @@ -706,7 +705,8 @@ try_again: rct::key challenge_squared; sc_mul(challenge_squared.bytes, challenge.bytes, challenge.bytes); - rct::key challenge_squared_inv = invert(challenge_squared); + rct::key challenge_squared_inv; + sc_mul(challenge_squared_inv.bytes, challenge_inv.bytes, challenge_inv.bytes); sc_muladd(alpha1.bytes, dL.bytes, challenge_squared.bytes, alpha1.bytes); sc_muladd(alpha1.bytes, dR.bytes, challenge_squared_inv.bytes, alpha1.bytes); |