Use serde feature for KES

Author: iquerejeta

Cargo.lock

@@ -13,10 +13,10 @@ bls12_381 = { version = "0.7.0", features = ["experimental"], optional = true }
 blst = { version = "0.3.10", optional = true }
 bytes = "1"
 digest      = { version = "0.9.0", features = ["alloc"] }
-ed25519-dalek = "1.0.1"
+ed25519-dalek = {version = "1.0.1", features = ["serde"] }
 generic-array = "0.14"
 group = { version = "0.12.0", features = ["tests"], optional = true }
-kes-summed-ed25519 = { git = "https://github.com/input-output-hk/kes" }
+kes-summed-ed25519 = { git = "https://github.com/input-output-hk/kes", features = ["serde"]}
 libc        = "0.2.40"
 num-bigint  = "0.4.0"
 num-integer = { version = "0.1.44", optional = true }

mithril-core/Cargo.toml

@@ -114,13 +114,13 @@ use crate::multi_sig_blast::{Signature, SigningKey, VerificationKey, Verificatio
 #[cfg(not(feature = "blast"))]
 use crate::multi_sig_zcash::{Signature, SigningKey, VerificationKey, VerificationKeyPoP};
 use digest::{Digest, FixedOutput};
+use kes_summed_ed25519::kes::{Sum6Kes, Sum6KesSig};
+use kes_summed_ed25519::traits::KesSk;
 use rand_core::{CryptoRng, RngCore};
 use serde::{Deserialize, Serialize};
 use std::collections::{HashMap, HashSet};
 use std::convert::{From, TryFrom, TryInto};
 use std::hash::{Hash, Hasher};
-use kes_summed_ed25519::kes::{Sum6Kes, Sum6KesSig};
-use kes_summed_ed25519::traits::KesSk;
 
 /// The quantity of stake held by a party, represented as a `u64`.
 pub type Stake = u64;
@@ -270,7 +270,13 @@ impl StmInitializer {
     /// Builds an `StmInitializer` that is ready to register with the key registration service.
     /// This function generates the signing and verification key with a PoP, signs the verification
     /// key with a provided KES signing key, and initialises the structure.
-    pub fn setup_new<R: RngCore + CryptoRng>(params: StmParameters, kes_sk: &[u8], kes_period: usize, stake: Stake, rng: &mut R) -> Self {
+    pub fn setup_new<R: RngCore + CryptoRng>(
+        params: StmParameters,
+        kes_sk: &[u8],
+        kes_period: usize,
+        stake: Stake,
+        rng: &mut R,
+    ) -> Self {
         let sk = SigningKey::gen(rng);
         let pk = StmVerificationKeyPoP::from(&sk);
         let kes_sk = Sum6Kes::from_bytes(kes_sk).expect("Invalid KES key provided"); // todo: handle this
@@ -281,7 +287,7 @@ impl StmInitializer {
             params,
             sk,
             pk,
-            kes_sig
+            kes_sig,
         }
     }
     /// Builds an `StmInitializer` that is ready to register with the key registration service.
@@ -294,7 +300,7 @@ impl StmInitializer {
             params,
             sk,
             pk,
-            kes_sig: None
+            kes_sig: None,
         }
     }
 
@@ -368,7 +374,7 @@ impl StmInitializer {
             params,
             sk,
             pk,
-            kes_sig: None
+            kes_sig: None,
         })
     }
 }
@@ -545,7 +551,7 @@ impl<D: Clone + Digest + FixedOutput> StmSigner<D> {
             params: self.params,
             pk: StmVerificationKeyPoP::from(&self.sk),
             sk: self.sk,
-            kes_sig: None
+            kes_sig: None,
         }
     }