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| author | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2018-06-29 15:03:00 +0100 |
|---|---|---|
| committer | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2018-09-11 13:38:04 +0000 |
| commit | c42917624849daeac0b4bc2fb1cd1f2539470b28 (patch) | |
| tree | 301e71aef03eb5962360a95e2205432add3c78e9 /src/ringct/rctOps.h | |
| parent | bulletproofs: speed up a few multiplies using existing Hi cache (diff) | |
| download | monero-c42917624849daeac0b4bc2fb1cd1f2539470b28.tar.xz | |
bulletproofs: reject points not in the main subgroup
Diffstat (limited to 'src/ringct/rctOps.h')
| -rw-r--r-- | src/ringct/rctOps.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/ringct/rctOps.h b/src/ringct/rctOps.h index f8889af5c..f0320f333 100644 --- a/src/ringct/rctOps.h +++ b/src/ringct/rctOps.h @@ -83,6 +83,7 @@ namespace rct { keyM keyMInit(size_t rows, size_t cols); //Various key generation functions + bool toPointCheckOrder(ge_p3 *P, const unsigned char *data); //generates a random scalar which can be used as a secret key or mask key skGen(); @@ -119,6 +120,8 @@ namespace rct { key scalarmultKey(const key &P, const key &a); //Computes aH where H= toPoint(cn_fast_hash(G)), G the basepoint key scalarmultH(const key & a); + // checks a is in the main subgroup (ie, not a small one) + bool isInMainSubgroup(const key & a); //Curve addition / subtractions |