k256: derive Clone for ecdsa::SigningKey (#374)

tarcieri · web-flow · commit 5ad27b3467c3 · 2021-06-23T15:52:16.000-07:00
diff --git a/k256/src/ecdsa/sign.rs b/k256/src/ecdsa/sign.rs
@@ -32,6 +32,7 @@ use core::str::FromStr;
 
 /// ECDSA/secp256k1 signing key
 #[cfg_attr(docsrs, doc(cfg(feature = "ecdsa")))]
+#[derive(Clone)]
 pub struct SigningKey {
     /// Inner secret key value
     inner: NonZeroScalar,
