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authorDaniel Gultsch <daniel@gultsch.de>2015-08-16 11:50:33 +0200
committerDaniel Gultsch <daniel@gultsch.de>2015-08-16 11:50:33 +0200
commitc082066118431a380dc62892c4363f73591b6666 (patch)
treeb76c8994610a2a896f28b69e457c8e1767db2f07 /src/main
parent11fbc3d79e5896a4ba7d7e0c0c68415824c7b8cd (diff)
catch null pointer in ScramSHA1 sasl
Diffstat (limited to 'src/main')
-rw-r--r--src/main/java/eu/siacs/conversations/crypto/sasl/ScramSha1.java3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/main/java/eu/siacs/conversations/crypto/sasl/ScramSha1.java b/src/main/java/eu/siacs/conversations/crypto/sasl/ScramSha1.java
index c95a62df..f47677f6 100644
--- a/src/main/java/eu/siacs/conversations/crypto/sasl/ScramSha1.java
+++ b/src/main/java/eu/siacs/conversations/crypto/sasl/ScramSha1.java
@@ -101,6 +101,9 @@ public class ScramSha1 extends SaslMechanism {
public String getResponse(final String challenge) throws AuthenticationException {
switch (state) {
case AUTH_TEXT_SENT:
+ if (challenge == null) {
+ throw new AuthenticationException("challenge can not be null");
+ }
serverFirstMessage = Base64.decode(challenge, Base64.DEFAULT);
final Tokenizer tokenizer = new Tokenizer(serverFirstMessage);
String nonce = "";