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Sarang Noether
2019-08-29 11:35:12 +00:00
committed by moneromooo-monero
parent c695470cff
commit 4b328c6616
12 changed files with 578 additions and 4 deletions
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17
src/ringct/rctOps.cpp
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@@ -511,6 +511,23 @@ namespace rct {
ge_tobytes(aAbB.bytes, &rv);
}
// addKeys_aGbBcC
// computes aG + bB + cC
// G is the fixed basepoint and B,C require precomputation
void addKeys_aGbBcC(key &aGbBcC, const key &a, const key &b, const ge_dsmp B, const key &c, const ge_dsmp C) {
ge_p2 rv;
ge_triple_scalarmult_base_vartime(&rv, a.bytes, b.bytes, B, c.bytes, C);
ge_tobytes(aGbBcC.bytes, &rv);
}
// addKeys_aAbBcC
// computes aA + bB + cC
// A,B,C require precomputation
void addKeys_aAbBcC(key &aAbBcC, const key &a, const ge_dsmp A, const key &b, const ge_dsmp B, const key &c, const ge_dsmp C) {
ge_p2 rv;
ge_triple_scalarmult_precomp_vartime(&rv, a.bytes, A, b.bytes, B, c.bytes, C);
ge_tobytes(aAbBcC.bytes, &rv);
}
//subtract Keys (subtracts curve points)
//AB = A - B where A, B are curve points