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Fix NPE in CardCapabilities #2000

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This commit is contained in:
Arnaud Fontaine 2017-02-17 13:34:03 +01:00
parent 626cd2a40a
commit 612c0719c0
1 changed files with 1 additions and 1 deletions
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2
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/securitytoken/CardCapabilities.java
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@ -28,7 +28,7 @@ public class CardCapabilities {
private byte[] mCapabilityBytes;
public CardCapabilities(byte[] historicalBytes) throws UsbTransportException {
if (historicalBytes[0] != 0x00) {
if ((historicalBytes == null) || (historicalBytes[0] != 0x00)) {
throw new UsbTransportException("Invalid historical bytes category indicator byte");
}