From 74895bb582d948797bad5046d16e6db002d81a78 Mon Sep 17 00:00:00 2001
From: Andrea Franz <andrea@gravityblast.com>
Date: Fri, 15 Mar 2019 01:13:28 +0100
Subject: [PATCH] rmeove pub key derivation field from get status response

---
 cmd/keycard/main.go         |  1 -
 types/application_status.go | 13 +++----------
 2 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/cmd/keycard/main.go b/cmd/keycard/main.go
index 015db9d..9bbb6e0 100644
--- a/cmd/keycard/main.go
+++ b/cmd/keycard/main.go
@@ -271,7 +271,6 @@ func commandStatus(card *scard.Card) error {
 	fmt.Printf("Pin retry count: %d\n", appStatus.PinRetryCount)
 	fmt.Printf("PUK retry count: %d\n", appStatus.PUKRetryCount)
 	fmt.Printf("Key initialized: %v\n", appStatus.KeyInitialized)
-	fmt.Printf("Public key derivation: %v\n", appStatus.PubKeyDerivation)
 
 	return nil
 }
diff --git a/types/application_status.go b/types/application_status.go
index b19a6c2..ae7b5a2 100644
--- a/types/application_status.go
+++ b/types/application_status.go
@@ -10,10 +10,9 @@ import (
 var ErrApplicationStatusTemplateNotFound = errors.New("application status template not found")
 
 type ApplicationStatus struct {
-	PinRetryCount    int
-	PUKRetryCount    int
-	KeyInitialized   bool
-	PubKeyDerivation bool
+	PinRetryCount  int
+	PUKRetryCount  int
+	KeyInitialized bool
 }
 
 func ParseApplicationStatus(data []byte) (*ApplicationStatus, error) {
@@ -38,11 +37,5 @@ func ParseApplicationStatus(data []byte) (*ApplicationStatus, error) {
 		}
 	}
 
-	if keyDerivationSupported, err := apdu.FindTagN(tpl, 1, uint8(0x01)); err == nil {
-		if bytes.Equal(keyDerivationSupported, []byte{0xFF}) {
-			appStatus.PubKeyDerivation = true
-		}
-	}
-
 	return appStatus, nil
 }