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null check otr fingerprint before display

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This commit is contained in:
Daniel Gultsch 2015-07-11 21:23:58 +02:00
parent c4876fab1b
commit 5dd83a5fe6
1 changed files with 3 additions and 1 deletions
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4
src/main/java/eu/siacs/conversations/utils/CryptoHelper.java
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@ -91,7 +91,9 @@ public final class CryptoHelper {
} }
public static String prettifyFingerprint(String fingerprint) { public static String prettifyFingerprint(String fingerprint) {
if (fingerprint.length() < 40) { if (fingerprint==null) {
return "";
} else if (fingerprint.length() < 40) {
return fingerprint; return fingerprint;
} }
StringBuilder builder = new StringBuilder(fingerprint); StringBuilder builder = new StringBuilder(fingerprint);