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crypto/secp256k1: update secp256k1_ecmult_const params

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"parameterize ecmult_const over input size" bitcoin-core/secp256k1@7c1b91b
This commit is contained in:
DesWurstes 2018-05-19 17:29:13 +03:00
parent 3850536c01
commit 6f3be4825b
1 changed files with 1 additions and 1 deletions
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2
crypto/secp256k1/ext.h
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@ -128,7 +128,7 @@ int secp256k1_ext_scalar_mul(const secp256k1_context* ctx, unsigned char *point,
if (overflow || secp256k1_scalar_is_zero(&s)) {
ret = 0;
} else {
secp256k1_ecmult_const(&res, &ge, &s);
secp256k1_ecmult_const(&res, &ge, &s, 256);
secp256k1_ge_set_gej(&ge, &res);
/* Note: can't use secp256k1_pubkey_save here because it is not constant time. */
secp256k1_fe_normalize(&ge.x);