feat(server): UserAgent auth flow implemented

server/crates/arbiter-proto/Cargo.toml

@@ -9,12 +9,13 @@ tonic.workspace = true
 prost.workspace = true
 bytes = "1.11.1"
 prost-derive = "0.14.3"
-prost-types = { version = "0.14.3", features = ["chrono"] }
+prost-types.workspace = true
 tonic-prost = "0.14.3"
 rkyv = "0.8.15"
 tokio.workspace = true
 futures.workspace = true
 kameo.workspace = true
+hex = "0.4.3"
 
 
 

server/crates/arbiter-proto/src/lib.rs

@@ -1,3 +1,5 @@
+use crate::proto::auth::AuthChallenge;
+
 pub mod proto {
     tonic::include_proto!("arbiter");
 
@@ -22,3 +24,8 @@ pub fn home_path() -> Result<std::path::PathBuf, std::io::Error> {
 
     Ok(arbiter_home)
 }
+
+pub fn format_challenge(challenge: &AuthChallenge) -> Vec<u8> {
+    let concat_form = format!("{}:{}", challenge.nonce, hex::encode(&challenge.pubkey));
+    concat_form.into_bytes().to_vec()
+}