Add from_scalar. (#331)

2023-04-27 19:40:55 +02:00 · 2023-04-27 19:40:55 +02:00 · dad04f46ee
parent 9985c9660e
commit dad04f46ee
1 changed files with 8 additions and 0 deletions
--- a/frost-core/src/lib.rs
+++ b/frost-core/src/lib.rs
@ -245,6 +245,14 @@ impl<C> Challenge<C>
 where
    C: Ciphersuite,
 {
+    /// Creates a challenge from a scalar.
+    #[cfg(feature = "internals")]
+    pub fn from_scalar(
+        scalar: <<<C as Ciphersuite>::Group as Group>::Field as Field>::Scalar,
+    ) -> Self {
+        Self(scalar)
+    }
+
    /// Return the underlying scalar.
    #[cfg(feature = "internals")]
    pub fn to_scalar(self) -> <<<C as Ciphersuite>::Group as Group>::Field as Field>::Scalar {