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Successfully get processor to send a transaction out

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Modifies FROST behavior so group_key has the offset applied regardless 
of if view was called. The unaltered secret_share and 
verification_shares (as they have differing values depending on the 
signing set) are no longer publicly accessible.
This commit is contained in:
Luke Parker
2022-06-09 02:48:53 -04:00
parent 714ce68deb
commit 27751d8d98
8 changed files with 255 additions and 62 deletions
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7
crypto/frost/src/lib.rs
View File

@@ -268,6 +268,7 @@ impl<C: Curve> MultisigKeys<C> {
// Enables schemes like Monero's subaddresses which have a per-subaddress offset and then a
// one-time-key offset
res.offset = Some(offset + res.offset.unwrap_or(C::F::zero()));
res.group_key += C::GENERATOR_TABLE * offset;
res
}
@@ -275,7 +276,7 @@ impl<C: Curve> MultisigKeys<C> {
self.params
}
pub fn secret_share(&self) -> C::F {
fn secret_share(&self) -> C::F {
self.secret_share
}
@@ -283,7 +284,7 @@ impl<C: Curve> MultisigKeys<C> {
self.group_key
}
pub fn verification_shares(&self) -> HashMap<u16, C::G> {
fn verification_shares(&self) -> HashMap<u16, C::G> {
self.verification_shares.clone()
}
@@ -297,7 +298,7 @@ impl<C: Curve> MultisigKeys<C> {
let offset_share = offset * C::F::from(included.len().try_into().unwrap()).invert().unwrap();
Ok(MultisigView {
group_key: self.group_key + (C::GENERATOR_TABLE * offset),
group_key: self.group_key,
secret_share: secret_share + offset_share,
verification_shares: self.verification_shares.iter().map(
|(l, share)| (