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Merge pull request #4804

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00907c39 rct: speedup commit a little (moneromooo-monero)
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Riccardo Spagni 2018-11-16 11:15:56 +02:00
commit cec336ecbc
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GPG Key ID: 55432DF31CCD4FCD
1 changed files with 3 additions and 6 deletions
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9
src/ringct/rctOps.cpp
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@ -295,8 +295,7 @@ namespace rct {
//generates C =aG + bH from b, a is given.. //generates C =aG + bH from b, a is given..
void genC(key & C, const key & a, xmr_amount amount) { void genC(key & C, const key & a, xmr_amount amount) {
key bH = scalarmultH(d2h(amount)); addKeys2(C, a, d2h(amount), rct::H);
addKeys1(C, a, bH);
} }
//generates a <secret , public> / Pedersen commitment to the amount //generates a <secret , public> / Pedersen commitment to the amount
@ -335,10 +334,8 @@ namespace rct {
} }
key commit(xmr_amount amount, const key &mask) { key commit(xmr_amount amount, const key &mask) {
key c = scalarmultBase(mask); key c;
key am = d2h(amount); genC(c, mask, amount);
key bH = scalarmultH(am);
addKeys(c, c, bH);
return c; return c;
} }