3.6.7 Seal IetfTranscript

crypto/frost/src/algorithm.rs

@@ -87,10 +87,13 @@ pub trait Algorithm<C: Curve>: Clone {
   ) -> Result<Vec<(C::F, C::G)>, ()>;
 }
 
+mod sealed {
+  pub use super::*;
+
   /// IETF-compliant transcript. This is incredibly naive and should not be used within larger
   /// protocols.
   #[derive(Clone, Debug)]
-pub struct IetfTranscript(Vec<u8>);
+  pub struct IetfTranscript(pub(crate) Vec<u8>);
   impl Transcript for IetfTranscript {
     type Challenge = Vec<u8>;
 
@@ -113,6 +116,8 @@ impl Transcript for IetfTranscript {
       unimplemented!()
     }
   }
+}
+pub(crate) use sealed::IetfTranscript;
 
 /// HRAm usable by the included Schnorr signature algorithm to generate challenges.
 pub trait Hram<C: Curve>: Clone {