From 768ecf56ba0ad9dd1a0c1412b57db80275fc9466 Mon Sep 17 00:00:00 2001
From: Fintan Halpenny <fintan.halpenny@gmail.com>
Date: Tue, 3 Mar 2026 15:20:15 +0000
Subject: [PATCH] crypto: Add `impl Verifier for PublicKey`

Add `impl Verifier<Signature> for PublicKey`, to allow using the popular
trait from the `signature` crate in verification codepaths.
---
 crates/radicle-crypto/src/lib.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/crates/radicle-crypto/src/lib.rs b/crates/radicle-crypto/src/lib.rs
index 7c7c43cb..16ffc801 100644
--- a/crates/radicle-crypto/src/lib.rs
+++ b/crates/radicle-crypto/src/lib.rs
@@ -174,6 +174,14 @@ impl TryFrom<String> for Signature {
 )]
 pub struct PublicKey(pub ed25519::PublicKey);
 
+impl signature::Verifier<Signature> for PublicKey {
+    fn verify(&self, msg: &[u8], signature: &Signature) -> Result<(), signature::Error> {
+        self.0
+            .verify(msg, signature)
+            .map_err(signature::Error::from_source)
+    }
+}
+
 #[cfg(feature = "cyphernet")]
 impl cyphernet::display::MultiDisplay<cyphernet::display::Encoding> for PublicKey {
     type Display = String;