From 8ee389ca7a58145474d2a9313ca1e6e3c7a923ab Mon Sep 17 00:00:00 2001
From: Heiko Schaefer <heiko@schaefer.name>
Date: Sun, 3 Sep 2023 23:12:03 +0200
Subject: [PATCH] openpgp-card: attestation_key_generation_time() only needs
 &self

---
 openpgp-card/src/card_do.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/openpgp-card/src/card_do.rs b/openpgp-card/src/card_do.rs
index 47627e6..a3448e0 100644
--- a/openpgp-card/src/card_do.rs
+++ b/openpgp-card/src/card_do.rs
@@ -250,7 +250,7 @@ impl ApplicationRelatedData {
     }
 
     /// Get Attestation key generation time.
-    pub fn attestation_key_generation_time(&mut self) -> Result<Option<KeyGenerationTime>, Error> {
+    pub fn attestation_key_generation_time(&self) -> Result<Option<KeyGenerationTime>, Error> {
         match self.0.find(Tags::GenerationTimeAttestation) {
             None => Ok(None),
             Some(data) => {