refactor: hide g_inv from internat apis

nucypher · Mar 19, 2024 · 4d04600 · 4d04600
1 parent b9b24f1
commit 4d04600
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Showing 4 changed files with 2 additions and 8 deletions.
diff --git a/ferveo/src/api.rs b/ferveo/src/api.rs
@@ -323,7 +323,6 @@ impl AggregatedTranscript {
             validator_keypair,
             dkg.0.me.share_index,
             &dkg.0.domain_points(),
-            &dkg.0.pvss_params.g_inv(),
         )
     }
 
@@ -547,14 +546,12 @@ impl PrivateKeyShare {
         share_index: u32,
         domain_points: &[DomainPoint<E>],
     ) -> Result<DecryptionSharePrecomputed> {
-        let g_inv = PubliclyVerifiableParams::<E>::default().g_inv();
         let share = self.0.create_decryption_share_simple_precomputed(
             &ciphertext_header.0,
             aad,
             validator_keypair,
             share_index,
             domain_points,
-            &g_inv,
         )?;
         Ok(share)
     }

diff --git a/ferveo/src/lib.rs b/ferveo/src/lib.rs
@@ -308,7 +308,6 @@ mod test_dkg_full {
                             validator_keypair,
                             validator.share_index,
                             &domain_points,
-                            &dkg.pvss_params.g_inv(),
                         )
                         .unwrap()
                 })

diff --git a/ferveo/src/pvss.rs b/ferveo/src/pvss.rs
@@ -359,7 +359,6 @@ impl<E: Pairing, T: Aggregate> PubliclyVerifiableSS<E, T> {
         validator_keypair: &Keypair<E>,
         share_index: u32,
         domain_points: &[DomainPoint<E>],
-        g_inv: &E::G1Prepared,
     ) -> Result<DecryptionSharePrecomputed<E>> {
         self.decrypt_private_key_share(validator_keypair, share_index)?
             .create_decryption_share_simple_precomputed(
@@ -368,7 +367,6 @@ impl<E: Pairing, T: Aggregate> PubliclyVerifiableSS<E, T> {
                 validator_keypair,
                 share_index,
                 domain_points,
-                g_inv,
             )
     }
 

diff --git a/ferveo/src/refresh.rs b/ferveo/src/refresh.rs
@@ -89,8 +89,8 @@ impl<E: Pairing> PrivateKeyShare<E> {
         validator_keypair: &Keypair<E>,
         share_index: u32,
         domain_points: &[DomainPoint<E>],
-        g_inv: &E::G1Prepared,
     ) -> Result<DecryptionSharePrecomputed<E>> {
+        let g_inv = PubliclyVerifiableParams::<E>::default().g_inv();
         // In precomputed variant, we offload some of the decryption related computation to the server-side:
         // We use the `prepare_combine_simple` function to precompute the lagrange coefficients
         let lagrange_coeffs = prepare_combine_simple::<E>(domain_points);
@@ -104,7 +104,7 @@ impl<E: Pairing> PrivateKeyShare<E> {
             ciphertext_header,
             aad,
             lagrange_coeff,
-            g_inv,
+            &g_inv,
         )
         .map_err(|e| e.into())
     }