frost/secp256k1-zkp
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Eliminate the pre_a_lam array from ecmult_strauss_wnaf.

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This commit is contained in:
Russell O'Connor
2021-02-27 07:57:16 -05:00
parent ae7ba0f922
commit b3b57ad6ee
3 changed files with 41 additions and 30 deletions
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6
src/group_impl.h
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@@ -654,12 +654,8 @@ static SECP256K1_INLINE void secp256k1_ge_storage_cmov(secp256k1_ge_storage *r,
}
static void secp256k1_ge_mul_lambda(secp256k1_ge *r, const secp256k1_ge *a) {
static const secp256k1_fe beta = SECP256K1_FE_CONST(
0x7ae96a2bul, 0x657c0710ul, 0x6e64479eul, 0xac3434e9ul,
0x9cf04975ul, 0x12f58995ul, 0xc1396c28ul, 0x719501eeul
);
*r = *a;
secp256k1_fe_mul(&r->x, &r->x, &beta);
secp256k1_fe_mul(&r->x, &r->x, &secp256k1_const_beta);
}
static int secp256k1_ge_is_in_correct_subgroup(const secp256k1_ge* ge) {