fix: Get the code to compile

src/redisclient/redisclient.rs

@@ -206,7 +206,7 @@ impl RedisClientWrapper {
         }
 
         // Select the database
-        redis::cmd("SELECT").arg(self.db).execute(&mut conn);
+        let _ = redis::cmd("SELECT").arg(self.db).exec(&mut conn);
 
         self.initialized.store(true, Ordering::Relaxed);
 

src/vault/keyspace/keypair_types.rs

@@ -1,14 +1,17 @@
-/// Implementation of keypair functionality.
-
-use k256::ecdsa::{SigningKey, VerifyingKey, signature::{Signer, Verifier}, Signature};
 use k256::ecdh::EphemeralSecret;
+/// Implementation of keypair functionality.
+use k256::ecdsa::{
+    signature::{Signer, Verifier},
+    Signature, SigningKey, VerifyingKey,
+};
 use rand::rngs::OsRng;
-use serde::{Serialize, Deserialize};
+use serde::{Deserialize, Serialize};
+use sha2::{Digest, Sha256};
 use std::collections::HashMap;
-use sha2::{Sha256, Digest};
 
-use crate::vault::symmetric::implementation;
 use crate::vault::error::CryptoError;
+use crate::vault::symmetric::implementation;
+use k256::elliptic_curve::PublicKey;
 
 /// A keypair for signing and verifying messages.
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -23,8 +26,8 @@ pub struct KeyPair {
 // Serialization helpers for VerifyingKey
 mod verifying_key_serde {
     use super::*;
-    use serde::{Serializer, Deserializer};
     use serde::de::{self, Visitor};
+    use serde::{Deserializer, Serializer};
     use std::fmt;
 
     pub fn serialize<S>(key: &VerifyingKey, serializer: S) -> Result<S::Ok, S::Error>
@@ -84,8 +87,8 @@ mod verifying_key_serde {
 // Serialization helpers for SigningKey
 mod signing_key_serde {
     use super::*;
-    use serde::{Serializer, Deserializer};
     use serde::de::{self, Visitor};
+    use serde::{Deserializer, Serializer};
     use std::fmt;
 
     pub fn serialize<S>(key: &SigningKey, serializer: S) -> Result<S::Ok, S::Error>
@@ -186,9 +189,13 @@ impl KeyPair {
     }
 
     /// Verifies a message signature using only a public key.
-    pub fn verify_with_public_key(public_key: &[u8], message: &[u8], signature_bytes: &[u8]) -> Result<bool, CryptoError> {
+    pub fn verify_with_public_key(
-        let verifying_key = VerifyingKey::from_sec1_bytes(public_key)
+        public_key: &[u8],
-            .map_err(|_| CryptoError::InvalidKeyLength)?;
+        message: &[u8],
+        signature_bytes: &[u8],
+    ) -> Result<bool, CryptoError> {
+        let verifying_key =
+            VerifyingKey::from_sec1_bytes(public_key).map_err(|_| CryptoError::InvalidKeyLength)?;
 
         let signature = Signature::from_bytes(signature_bytes.into())
             .map_err(|e| CryptoError::SignatureFormatError(e.to_string()))?;
@@ -206,21 +213,29 @@ impl KeyPair {
     /// 3. Derive encryption key from the shared secret
     /// 4. Encrypt the message using symmetric encryption
     /// 5. Return the ephemeral public key and the ciphertext
-    pub fn encrypt_asymmetric(&self, recipient_public_key: &[u8], message: &[u8]) -> Result<Vec<u8>, CryptoError> {
+    pub fn encrypt_asymmetric(
+        &self,
+        recipient_public_key: &[u8],
+        message: &[u8],
+    ) -> Result<Vec<u8>, CryptoError> {
         // Parse recipient's public key
         let recipient_key = VerifyingKey::from_sec1_bytes(recipient_public_key)
             .map_err(|_| CryptoError::InvalidKeyLength)?;
 
+        // Convert ecdsa VerifyingKey to k256 PublicKey
+        let recipient_public_key_k256 =
+            PublicKey::from_sec1_bytes(&recipient_key.to_encoded_point(false).as_bytes())
+                .map_err(|_| CryptoError::InvalidKeyLength)?;
+
         // Generate ephemeral keypair
         let ephemeral_signing_key = SigningKey::random(&mut OsRng);
         let ephemeral_public_key = VerifyingKey::from(&ephemeral_signing_key);
 
         // Derive shared secret using ECDH
         let ephemeral_secret = EphemeralSecret::random(&mut OsRng);
-        let shared_secret = ephemeral_secret.diffie_hellman(&recipient_key.to_public_key());
+        let shared_secret = ephemeral_secret.diffie_hellman(&recipient_public_key_k256);
 
         // Derive encryption key from the shared secret (e.g., using HKDF or hashing)
-        // For simplicity, we'll hash the shared secret here
         let encryption_key = {
             let mut hasher = Sha256::default();
             hasher.update(shared_secret.raw_secret_bytes());
@@ -232,7 +247,10 @@ impl KeyPair {
             .map_err(|e| CryptoError::EncryptionFailed(e.to_string()))?;
 
         // Format: ephemeral_public_key || ciphertext
-        let mut result = ephemeral_public_key.to_encoded_point(false).as_bytes().to_vec();
+        let mut result = ephemeral_public_key
+            .to_encoded_point(false)
+            .as_bytes()
+            .to_vec();
         result.extend_from_slice(&ciphertext);
 
         Ok(result)
@@ -244,7 +262,9 @@ impl KeyPair {
         // The first 33 or 65 bytes (depending on compression) are the ephemeral public key
         // For simplicity, we'll assume uncompressed keys (65 bytes)
         if ciphertext.len() <= 65 {
-            return Err(CryptoError::DecryptionFailed("Ciphertext too short".to_string()));
+            return Err(CryptoError::DecryptionFailed(
+                "Ciphertext too short".to_string(),
+            ));
         }
 
         // Extract ephemeral public key and actual ciphertext
@@ -255,9 +275,14 @@ impl KeyPair {
         let sender_key = VerifyingKey::from_sec1_bytes(ephemeral_public_key)
             .map_err(|_| CryptoError::InvalidKeyLength)?;
 
+        // Convert ecdsa VerifyingKey to k256 PublicKey
+        let sender_public_key_k256 =
+            PublicKey::from_sec1_bytes(&sender_key.to_encoded_point(false).as_bytes())
+                .map_err(|_| CryptoError::InvalidKeyLength)?;
+
         // Derive shared secret using ECDH
         let recipient_secret = EphemeralSecret::random(&mut OsRng);
-        let shared_secret = recipient_secret.diffie_hellman(&sender_key.to_public_key());
+        let shared_secret = recipient_secret.diffie_hellman(&sender_public_key_k256);
 
         // Derive decryption key from the shared secret (using the same method as encryption)
         let decryption_key = {
@@ -301,7 +326,9 @@ impl KeySpace {
 
     /// Gets a keypair by name.
     pub fn get_keypair(&self, name: &str) -> Result<&KeyPair, CryptoError> {
-        self.keypairs.get(name).ok_or(CryptoError::KeypairNotFound(name.to_string()))
+        self.keypairs
+            .get(name)
+            .ok_or(CryptoError::KeypairNotFound(name.to_string()))
     }
 
     /// Lists all keypair names in the space.
@@ -309,4 +336,3 @@ impl KeySpace {
         self.keypairs.keys().cloned().collect()
     }
 }
-