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| author | MITSUNARI Shigeo <herumi@nifty.com> | 2019-03-22 13:45:17 +0800 |
|---|---|---|
| committer | MITSUNARI Shigeo <herumi@nifty.com> | 2019-03-22 13:45:17 +0800 |
| commit | f3f9be495c6a9c37340e7fe4879b945afc060c92 (patch) | |
| tree | 4032447952b63c30a6a40f2bfffa94ea51f03a8a | |
| parent | 1b56502258508217ec95cd4d2d2d9b0a751f9938 (diff) | |
| download | tangerine-mcl-f3f9be495c6a9c37340e7fe4879b945afc060c92.tar.gz tangerine-mcl-f3f9be495c6a9c37340e7fe4879b945afc060c92.tar.zst tangerine-mcl-f3f9be495c6a9c37340e7fe4879b945afc060c92.zip | |
shortcut for Ec::mul(Px, P, x) if P = 0v0.92
| -rw-r--r-- | include/mcl/ec.hpp | 4 | ||||
| -rw-r--r-- | include/mcl/op.hpp | 2 | ||||
| -rw-r--r-- | readme.md | 1 |
3 files changed, 6 insertions, 1 deletions
diff --git a/include/mcl/ec.hpp b/include/mcl/ec.hpp index 840fa01..b8eb10b 100644 --- a/include/mcl/ec.hpp +++ b/include/mcl/ec.hpp @@ -910,6 +910,10 @@ public: bool operator<=(const EcT& rhs) const { return !operator>(rhs); } static inline void mulArray(EcT& z, const EcT& x, const fp::Unit *y, size_t yn, bool isNegative, bool constTime = false) { + if (!constTime && x.isZero()) { + z.clear(); + return; + } if (mulArrayGLV && (constTime || yn > 1)) { mulArrayGLV(z, x, y, yn, isNegative, constTime); return; diff --git a/include/mcl/op.hpp b/include/mcl/op.hpp index 549d93b..36d3703 100644 --- a/include/mcl/op.hpp +++ b/include/mcl/op.hpp @@ -26,7 +26,7 @@ namespace mcl { -static const int version = 0x091; /* 0xABC = A.BC */ +static const int version = 0x092; /* 0xABC = A.BC */ /* specifies available string format mode for X::setIoMode() @@ -443,6 +443,7 @@ Y. Sakemi, Y. Nogami, K. Okeya, Y. Morikawa, CANS 2008. # History
+* 2019/Mar/22 v0.92 shortcut for Ec::mul(Px, P, x) if P = 0
* 2019/Mar/21 python binding of she256 for Linux/Mac/Windows
* 2019/Mar/14 v0.91 modp supports mcl-wasm
* 2019/Mar/12 v0.90 fix Vint::setArray(x) for x == this
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