bignp256: fixes

Author: makavity

bignp256/src/lib.rs

@@ -58,7 +58,6 @@ pub mod public_key;
 pub mod secret_key;
 
 #[cfg(feature = "pkcs8")]
-#[allow(dead_code)]
 const ALGORITHM_OID: pkcs8::ObjectIdentifier =
     pkcs8::ObjectIdentifier::new_unwrap("1.2.112.0.2.0.34.101.45.2.1");
 

bignp256/src/secret_key.rs

@@ -90,8 +90,7 @@ impl SecretKey {
     /// sidechannel, always ensure that the input has been pre-padded to `C::FieldBytesSize`.
     pub fn from_slice(slice: &[u8]) -> Result<Self> {
         if slice.len() == <BignP256 as elliptic_curve::Curve>::FieldBytesSize::USIZE {
-            #[allow(deprecated)]
-            Self::from_bytes(FieldBytes::from_slice(slice))
+            Self::from_bytes(&FieldBytes::try_from(slice).map_err(|_| Error)?)
         } else if (Self::MIN_SIZE..<BignP256 as elliptic_curve::Curve>::FieldBytesSize::USIZE)
             .contains(&slice.len())
         {