From 00907c3987af00d6eb8ff7144a184a74906a8edf Mon Sep 17 00:00:00 2001 From: moneromooo-monero Date: Mon, 5 Nov 2018 14:23:00 +0000 Subject: rct: speedup commit a little saves a conversion, and uses a double scalarmult instead of two scalarmults --- src/ringct/rctOps.cpp | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/src/ringct/rctOps.cpp b/src/ringct/rctOps.cpp index 41bbf6ca3..6c0588cf6 100644 --- a/src/ringct/rctOps.cpp +++ b/src/ringct/rctOps.cpp @@ -117,8 +117,7 @@ namespace rct { //generates C =aG + bH from b, a is given.. void genC(key & C, const key & a, xmr_amount amount) { - key bH = scalarmultH(d2h(amount)); - addKeys1(C, a, bH); + addKeys2(C, a, d2h(amount), rct::H); } //generates a / Pedersen commitment to the amount @@ -149,10 +148,8 @@ namespace rct { } key commit(xmr_amount amount, const key &mask) { - key c = scalarmultBase(mask); - key am = d2h(amount); - key bH = scalarmultH(am); - addKeys(c, c, bH); + key c; + genC(c, mask, amount); return c; } -- cgit v1.2.3