refactor: expose public_inputs_from_pks function as public

kms/keys/src/keys/mod.rs

@@ -16,7 +16,7 @@ pub use crate::keys::{
     },
     zk::{
         MAX_ZK_SIGNING_KEYS, PublicKey as ZkPublicKey, PublicKeys as ZkPublicKeys,
-        Signature as ZkSignature, UnsecuredZkKey, ZkKey,
+        Signature as ZkSignature, UnsecuredZkKey, ZkKey, public_inputs_from_pks,
     },
 };
 

kms/keys/src/keys/zk/mod.rs

@@ -13,7 +13,9 @@ use crate::keys::{errors::KeyError, secured_key::SecuredKey};
 mod private;
 pub use self::private::SecretKey as UnsecuredZkKey;
 mod public;
-pub use self::public::{MAX_ZK_SIGNING_KEYS, PublicKey, PublicKeys};
+pub use self::public::{
+    MAX_ZK_SIGNING_KEYS, PublicKey, PublicKeys, inputs_from_pks as public_inputs_from_pks,
+};
 mod signature;
 pub use self::signature::Signature;
 

kms/keys/src/keys/zk/public.rs

@@ -41,7 +41,7 @@ impl PublicKey {
 
     #[must_use]
     pub fn verify_multi(pks: &[Self], data: &Fr, signature: &Signature) -> bool {
-        let inputs = match try_from_pks((*data).into(), pks) {
+        let inputs = match inputs_from_pks((*data).into(), pks) {
             Ok(inputs) => inputs,
             Err(e) => {
                 error!(target: LOG_TARGET, "Error building verifier inputs: {e:?}");
@@ -74,7 +74,10 @@ impl From<Fr> for PublicKey {
     }
 }
 
-fn try_from_pks(msg: Groth16Input, pks: &[PublicKey]) -> Result<ZkSignVerifierInputs, ZkSignError> {
+pub fn inputs_from_pks(
+    msg: Groth16Input,
+    pks: &[PublicKey],
+) -> Result<ZkSignVerifierInputs, ZkSignError> {
     if pks.len() > MAX_ZK_SIGNING_KEYS {
         return Err(ZkSignError::TooManyKeys(pks.len()));
     }