diff --git a/src/appraisal.rs b/src/appraisal.rs
index d32e60b..ee224b4 100644
--- a/src/appraisal.rs
+++ b/src/appraisal.rs
@@ -160,6 +160,9 @@ impl<'de> Visitor<'de> for AppraisalVisitor {
                     Some("ear.veraison.policy-claims") => {
                         appraisal.policy_claims = map.next_value::<BTreeMap<String, RawValue>>()?
                     }
+                    Some("ear.veraison.key-attestation") => {
+                        appraisal.key_attestation = Some(map.next_value::<KeyAttestation>()?)
+                    }
                     Some(_) => (), // unknown extensions are ignored
                     None => break,
                 }
@@ -176,6 +179,9 @@ impl<'de> Visitor<'de> for AppraisalVisitor {
                     Some(-70001) => {
                         appraisal.policy_claims = map.next_value::<BTreeMap<String, RawValue>>()?
                     }
+                    Some(-70002) => {
+                        appraisal.key_attestation = Some(map.next_value::<KeyAttestation>()?)
+                    }
                     Some(_) => (), // unknown extensions are ignored
                     None => break,
                 }
diff --git a/src/ear.rs b/src/ear.rs
index 71834a0..bcf4378 100644
--- a/src/ear.rs
+++ b/src/ear.rs
@@ -656,4 +656,23 @@ MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgPp4XZRnRHSMhGg0t
         assert_eq!(ear.vid.developer, ear2.vid.developer);
         assert_eq!(ear.raw_evidence, ear2.raw_evidence);
     }
+
+    #[test]
+    fn verify() {
+        const VERIF_KEY: &str = r#"
+        {
+            "crv": "P-256",
+            "kty": "EC",
+            "x": "usWxHK2PmfnHKwXPS54m0kTcGJ90UiglWiGahtagnv8",
+            "y": "IBOL-C3BttVivg-lSreASjpkttcsz-1rb7btKLv8EX4"
+        }
+        "#;
+
+        let ear_jwt = "eyJhbGciOiJFUzI1NiIsInR5cCI6IkpXVCJ9.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.eRyCRmGEOt2GeMvi1-PiSaIVOuixBHwz8FYPSm7XuKnZd6XYe_8HQaCXEtarpOppvzoyHcZvU_4rV54iE7PQaw";
+
+        let ear = Ear::from_jwt_jwk(ear_jwt, Algorithm::ES256, VERIF_KEY.as_bytes())
+            .expect("successfully verified");
+
+        assert_eq!("tag:github.com,2023:veraison/ear", ear.profile);
+    }
 }