diff options
| author | Sarang Noether <32460187+SarangNoether@users.noreply.github.com> | 2019-08-29 11:35:12 +0000 |
|---|---|---|
| committer | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2020-08-27 12:43:29 +0000 |
| commit | 4b328c66161d11ddb240ca9c10298b0581aaa6b5 (patch) | |
| tree | b01f090bb79a5fa4bf37064b45accd4d5e6c62da /src/ringct/rctOps.cpp | |
| parent | Merge pull request #6771 (diff) | |
| download | monero-4b328c66161d11ddb240ca9c10298b0581aaa6b5.tar.xz | |
CLSAG signatures
Diffstat (limited to '')
| -rw-r--r-- | src/ringct/rctOps.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/ringct/rctOps.cpp b/src/ringct/rctOps.cpp index b2dd32ada..245a3f477 100644 --- a/src/ringct/rctOps.cpp +++ b/src/ringct/rctOps.cpp @@ -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 |