[frost] small accessibility fixups

LLFourn · Dec 24, 2023 · 13a8359 · 13a8359
1 parent 6899c94
commit 13a8359
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/schnorr_fun/src/frost.rs b/schnorr_fun/src/frost.rs
@@ -405,6 +405,11 @@ impl<T: Copy + PointType> FrostKey<T> {
     pub fn threshold(&self) -> usize {
         self.point_polynomial.len()
     }
+
+    /// The public image of the key's polynomial on the elliptic curve.
+    pub fn point_polynomial(&self) -> Vec<Point> {
+        self.point_polynomial.clone()
+    }
 }
 
 impl FrostKey<Normal> {

diff --git a/schnorr_fun/src/share_backup.rs b/schnorr_fun/src/share_backup.rs
@@ -96,7 +96,7 @@ pub fn polynomial_identifier<H: Default + Digest<OutputSize = U32>>(
 pub fn encode_backup<H: Default + Digest<OutputSize = U32>>(
     polynomial: &Vec<Point>,
     secret_share: &Scalar,
-    share_index: &Scalar,
+    share_index: &Scalar<Public>,
 ) -> String {
     let threshold = polynomial.len();
     let mut data = [u5::default(); 1 + 4 + 52 + 52];