frost-core: split part of lib.rs into traits.rs and serialization.rs (#…

…569)

frost-core/CHANGELOG.md

@@ -9,6 +9,8 @@ Entries are listed in reverse chronological order.
 * The `frost-core::frost` module contents were merged into `frost-core`, thus
   eliminating the `frost` module. You can adapt any calling code with e.g.
   changing `use frost_core::frost::*` to `use frost-core::*`.
+* `Challenge`, `BindingFactor`, `BindingFactorList` and `GroupCommitment`
+  are no longer public (you can use them with the `internals` feature).
 * Both serde serialization and the default byte-oriented serialization now
   include a version field (a u8) at the beginning which is always 0 for now. The
   ciphersuite ID field was moved from the last field to the second field, after

frost-core/src/identifier.rs

@@ -8,7 +8,7 @@ use std::{
 use crate::{Ciphersuite, Error, Field, FieldError, Group, Scalar};
 
 #[cfg(feature = "serde")]
-use crate::ScalarSerialization;
+use crate::serialization::ScalarSerialization;
 
 /// A FROST participant identifier.
 ///

frost-core/src/keys.rs

@@ -17,12 +17,13 @@ use rand_core::{CryptoRng, RngCore};
 use zeroize::{DefaultIsZeroes, Zeroize};
 
 use crate::{
-    Ciphersuite, Deserialize, Element, Error, Field, Group, Header, Identifier, Scalar, Serialize,
-    SigningKey, VerifyingKey,
+    serialization::{Deserialize, Serialize},
+    Ciphersuite, Element, Error, Field, Group, Header, Identifier, Scalar, SigningKey,
+    VerifyingKey,
 };
 
 #[cfg(feature = "serde")]
-use crate::{ElementSerialization, ScalarSerialization};
+use crate::serialization::{ElementSerialization, ScalarSerialization};
 
 use super::compute_lagrange_coefficient;
 

frost-core/src/keys/dkg.rs

@@ -50,7 +50,7 @@ pub mod round1 {
     use derive_getters::Getters;
     use zeroize::Zeroize;
 
-    use crate::{Deserialize, Serialize};
+    use crate::serialization::{Deserialize, Serialize};
 
     use super::*;
 
@@ -167,7 +167,7 @@ pub mod round2 {
     use derive_getters::Getters;
     use zeroize::Zeroize;
 
-    use crate::{Deserialize, Serialize};
+    use crate::serialization::{Deserialize, Serialize};
 
     use super::*;