Get wireguard keypair as arg instead of reading it from disk (#6078)

* Get wireguard keypair as arg instead of reading it from disk

* Move keypair out of NymNode

* Remove legacy auth client

Author: neacsu

Cargo.lock

@@ -8,11 +8,6 @@ use nym_crypto::asymmetric::x25519::PublicKey;
 use nym_ip_packet_requests::IpPair;
 use nym_sphinx::addressing::{NodeIdentity, Recipient};
 
-pub const DEFAULT_PRIVATE_ENTRY_WIREGUARD_KEY_FILENAME: &str = "free_private_entry_wireguard.pem";
-pub const DEFAULT_PUBLIC_ENTRY_WIREGUARD_KEY_FILENAME: &str = "free_public_entry_wireguard.pem";
-pub const DEFAULT_PRIVATE_EXIT_WIREGUARD_KEY_FILENAME: &str = "free_private_exit_wireguard.pem";
-pub const DEFAULT_PUBLIC_EXIT_WIREGUARD_KEY_FILENAME: &str = "free_public_exit_wireguard.pem";
-
 #[derive(Debug, Clone, Copy, PartialEq)]
 pub struct NymNode {
     pub identity: NodeIdentity,

common/registration/src/lib.rs

@@ -14,7 +14,6 @@ workspace = true
 [dependencies]
 bincode.workspace = true
 futures.workspace = true
-rand.workspace = true
 semver.workspace = true
 thiserror.workspace = true
 tokio-util.workspace = true
@@ -25,7 +24,6 @@ nym-authenticator-requests = { path = "../common/authenticator-requests" }
 nym-bandwidth-controller = { path = "../common/bandwidth-controller" }
 nym-credentials-interface = { path = "../common/credentials-interface" }
 nym-crypto = { path = "../common/crypto" }
-nym-pemstore = { path = "../common/pemstore" }
 nym-registration-common = { path = "../common/registration" }
 nym-sdk = { path = "../sdk/rust/nym-sdk" }
 nym-service-provider-requests-common = { path = "../common/service-provider-requests-common" }

nym-authenticator-client/Cargo.toml

@@ -1,10 +1,7 @@
 // Copyright 2025 - Nym Technologies SA <[email protected]>
 // SPDX-License-Identifier: Apache-2.0
 
-use nym_crypto::asymmetric::x25519::KeyPair;
-use nym_pemstore::KeyPairPath;
 use nym_sdk::mixnet::{IncludedSurbs, Recipient, TransmissionLane};
-use rand::{CryptoRng, RngCore};
 
 pub(crate) fn create_input_message(
     recipient: Recipient,
@@ -27,23 +24,3 @@ pub(crate) fn create_input_message(
         ),
     }
 }
-
-pub(crate) fn load_or_generate_keypair<R: RngCore + CryptoRng>(
-    rng: &mut R,
-    paths: KeyPairPath,
-) -> KeyPair {
-    match nym_pemstore::load_keypair(&paths) {
-        Ok(keypair) => keypair,
-        Err(_) => {
-            let keypair = KeyPair::new(rng);
-            if let Err(e) = nym_pemstore::store_keypair(&keypair, &paths) {
-                tracing::error!(
-                    "could not store generated keypair at {:?} - {:?}; will use ephemeral keys",
-                    paths,
-                    e
-                );
-            }
-            keypair
-        }
-    }
-}