From bd19c3639ab350f9c0acf2517d8fcb0f1725a012 Mon Sep 17 00:00:00 2001
From: Aaron Kaiser <a_kaiser@posteo.de>
Date: Mon, 6 May 2024 10:44:04 +0200
Subject: [PATCH] feat: add trait to convert slice into X25519PublicKey

---
 src/lib.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index d58a80c..98f4767 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -23,6 +23,14 @@ pub struct X25519PubKey<'a>(SharedPtr<'a, 32>);
 #[derive(Debug)]
 pub struct X25519SharedKey<'a>(SharedPtr<'a, 32>);
 
+impl From<&[u8; 32]> for X25519PubKey<'_> {
+    fn from(value: &[u8; 32]) -> Self {
+        let mut pk = SharedPtr::<32>::new().unwrap();
+        pk.copy_from_slice(value);
+        X25519PubKey(pk)
+    }
+}
+
 pub fn x25519_keygen<'a>() -> (X25519PrivKey<'a>, X25519PubKey<'a>) {
     let sk = X25519PrivKey(SharedPtr::<8>::new().unwrap());
     let pk = X25519PubKey(SharedPtr::<32>::new().unwrap());