From 16fe1740de0a470717ed0b80ba79233ee0847b0e Mon Sep 17 00:00:00 2001 From: MITSUNARI Shigeo Date: Tue, 7 Apr 2020 10:28:27 +0900 Subject: [PATCH] remove unused code --- include/mcl/bn.hpp | 51 ---------------------------------------------- 1 file changed, 51 deletions(-) diff --git a/include/mcl/bn.hpp b/include/mcl/bn.hpp index ece87b9..05d1b6c 100644 --- a/include/mcl/bn.hpp +++ b/include/mcl/bn.hpp @@ -792,59 +792,8 @@ struct GLV2 { template void mul(T& Q, const T& P, mpz_class x, bool constTime = false) const { -#if 1 (void)constTime; mulVecNGLV(Q, &P, &x, 1); -#else - const mpz_class& r = Fr::getOp().mp; - const int w = 5; - const size_t tblSize = 1 << (w - 2); - const size_t splitN = 4; - NafArray naf[splitN]; - mpz_class u[splitN]; - T tbl[splitN][tblSize]; - bool b; - - x %= r; - if (x == 0) { - Q.clear(); - if (!constTime) return; - } - if (x < 0) { - x += r; - } - split(u, x); - tbl[0][0] = P; - Frobenius(tbl[1][0], tbl[0][0]); - Frobenius(tbl[2][0], tbl[1][0]); - Frobenius(tbl[3][0], tbl[2][0]); - for (size_t i = 0; i < splitN; i++) { - gmp::getNAFwidth(&b, naf[i], u[i], w); - assert(b); (void)b; - } - { - T P2; - T::dbl(P2, P); - for (size_t i = 1; i < tblSize; i++) { - T::add(tbl[0][i], tbl[0][i - 1], P2); - Frobenius(tbl[1][i], tbl[0][i]); - Frobenius(tbl[2][i], tbl[1][i]); - Frobenius(tbl[3][i], tbl[2][i]); - } - } - size_t maxBit = naf[0].size(); - for (size_t i = 1; i < splitN; i++) { - if (naf[i].size() > maxBit) maxBit = naf[i].size(); - } - Q.clear(); - for (size_t i = 0; i < maxBit; i++) { - T::dbl(Q, Q); - mcl::local::addTbl(Q, tbl[0], naf[0], maxBit - 1 - i); - mcl::local::addTbl(Q, tbl[1], naf[1], maxBit - 1 - i); - mcl::local::addTbl(Q, tbl[2], naf[2], maxBit - 1 - i); - mcl::local::addTbl(Q, tbl[3], naf[3], maxBit - 1 - i); - } -#endif } template size_t mulVecNGLV(T& z, const T *xVec, const mpz_class *yVec, size_t n) const