Validate AID format and length.

Bug: 10817001
Change-Id: I7cb0d4f718c467d2fccb30068f383f8e71a4a39b

1 files changed, 9 insertions, 0 deletions

diff --git a/core/java/android/nfc/cardemulation/ApduServiceInfo.java b/core/java/android/nfc/cardemulation/ApduServiceInfo.java
index 40a3612..d0feaa3 100644
--- a/core/java/android/nfc/cardemulation/ApduServiceInfo.java
+++ b/core/java/android/nfc/cardemulation/ApduServiceInfo.java
@@ -255,6 +255,10 @@ public final class ApduServiceInfo implements Parcelable {
         return mRequiresDeviceUnlock;
     }
 
+    public String getDescription() {
+        return mDescription;
+    }
+
     public CharSequence loadLabel(PackageManager pm) {
         return mService.loadLabel(pm);
     }
@@ -287,6 +291,11 @@ public final class ApduServiceInfo implements Parcelable {
             Log.e(TAG, "AID " + aid + " is not correctly formatted.");
             return false;
         }
+        // Minimum AID length is 5 bytes, 10 hex chars
+        if (aidLength < 10) {
+            Log.e(TAG, "AID " + aid + " is shorter than 5 bytes.");
+            return false;
+        }
         return true;
     }