From aa7fae385c737ed42539683c4b2fdfb4196379a6 Mon Sep 17 00:00:00 2001
From: Vecna <vvecna@uwaterloo.ca>
Date: Thu, 27 Oct 2022 22:44:54 -0400
Subject: [PATCH] Beginnings of bridge_auth

---
 bridge_auth/Cargo.toml  | 10 ++++++++++
 bridge_auth/src/main.rs | 37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+)
 create mode 100644 bridge_auth/Cargo.toml
 create mode 100644 bridge_auth/src/main.rs

diff --git a/bridge_auth/Cargo.toml b/bridge_auth/Cargo.toml
new file mode 100644
index 0000000..d825e2f
--- /dev/null
+++ b/bridge_auth/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "bridge_auth"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+lox = { git = "https://git-crysp.uwaterloo.ca/iang/lox.git" }
+ed25519-dalek = "1"
diff --git a/bridge_auth/src/main.rs b/bridge_auth/src/main.rs
new file mode 100644
index 0000000..cbdc640
--- /dev/null
+++ b/bridge_auth/src/main.rs
@@ -0,0 +1,37 @@
+use ed25519_dalek::PublicKey;
+use lox::BridgeAuth;
+use std::fs::File;
+use std::io::BufReader;
+use std::io::Read;
+use std::io::Write;
+
+fn main() {
+    // import bridgedb pubkey
+    // note: currently no checks for valid data
+    let infile = std::fs::File::open("../pubkeys/bridgedb_pubkey").unwrap();
+    let mut reader = BufReader::new(infile);
+    let mut buffer = Vec::new();
+    reader
+        .read_to_end(&mut buffer)
+        .expect("Failed to read pubkey from file");
+    let bridgedb_pubkey = PublicKey::from_bytes(&buffer).unwrap();
+
+    // create new bridge authority (implicitly generates keys)
+    let bridge_auth = BridgeAuth::new(bridgedb_pubkey);
+
+    // output public keys to new files
+    // I think this approach is too hacky because it requires multiple
+    // files, one per key...
+    let mut count = 0;
+    // TODO: Figure out how to deal with X being private
+    for pubkey in bridge_auth.lox_pub.X {
+        count += 1;
+        let pubkey_bytes = pubkey.compress().to_bytes();
+        // Is this the proper way to concatenate an integer and a string?
+        let mut outfile = File::create(format!("{}{}", "../pubkeys/bridge_auth_pubkey_", count))
+            .expect("Failed to create pubkey file");
+        outfile
+            .write_all(&pubkey_bytes)
+            .expect("Failed to write pubkey");
+    }
+}