fix some crashes

1 files changed, 3 insertions, 1 deletions

diff --git a/src/main/java/de/pixart/messenger/crypto/sasl/ScramMechanism.java b/src/main/java/de/pixart/messenger/crypto/sasl/ScramMechanism.java
index e1a153ef6..4a6fa42e5 100644
--- a/src/main/java/de/pixart/messenger/crypto/sasl/ScramMechanism.java
+++ b/src/main/java/de/pixart/messenger/crypto/sasl/ScramMechanism.java
@@ -43,7 +43,9 @@ abstract class ScramMechanism extends SaslMechanism {
                     clientKey = hmac(saltedPassword, CLIENT_KEY_BYTES);
 
                     return new KeyPair(clientKey, serverKey);
-                } catch (final InvalidKeyException | NumberFormatException e) {
+                } catch (final InvalidKeyException e) {
+                    return null;
+                } catch (final NumberFormatException e) {
                     return null;
                 }
             }