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Don't use a constant for H yet re-calculate it

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This commit is contained in:
Luke Parker 2022-07-24 08:57:33 -04:00
parent 1362764b2b
commit 10ab467160
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1 changed files with 5 additions and 8 deletions
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13
coins/monero/src/lib.rs
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@ -8,7 +8,7 @@ use subtle::ConstantTimeEq;
use tiny_keccak::{Hasher, Keccak};
use curve25519_dalek::{
constants::ED25519_BASEPOINT_TABLE,
constants::{ED25519_BASEPOINT_POINT, ED25519_BASEPOINT_TABLE},
scalar::Scalar,
edwards::{EdwardsPoint, EdwardsBasepointTable, CompressedEdwardsY},
};
@ -30,14 +30,11 @@ pub mod wallet;
mod tests;
lazy_static! {
static ref H: EdwardsPoint = CompressedEdwardsY(
hex::decode("8b655970153799af2aeadc9ff1add0ea6c7251d54154cfa92c173a0dd39c1f94")
static ref H: EdwardsPoint =
CompressedEdwardsY(hash(&ED25519_BASEPOINT_POINT.compress().to_bytes()))
.decompress()
.unwrap()
.try_into()
.unwrap()
)
.decompress()
.unwrap();
.mul_by_cofactor();
static ref H_TABLE: EdwardsBasepointTable = EdwardsBasepointTable::create(&H);
}