Do not crash when getting invalid string for scram

Stephen Paul Weber created

Change summary

src/main/java/eu/siacs/conversations/crypto/sasl/ScramMechanism.java | 2 
1 file changed, 1 insertion(+), 1 deletion(-)

Detailed changes

src/main/java/eu/siacs/conversations/crypto/sasl/ScramMechanism.java 🔗 

@@ -151,7 +151,7 @@ abstract class ScramMechanism extends SaslMechanism {
                 int iterationCount = -1;
                 String salt = "";
                 for (final String token : tokenizer) {
-                    if (token.charAt(1) == '=') {
+                    if (token.length() > 1 && token.charAt(1) == '=') {
                         switch (token.charAt(0)) {
                             case 'i':
                                 try {