Challenge validation. challenge cannot be more than 64 bytes

divegeek · Oct 5, 2022 · af1da5f · af1da5f
1 parent 1e23ede
commit af1da5f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Applet/src/com/android/javacard/keymaster/RemotelyProvisionedComponentDevice.java b/Applet/src/com/android/javacard/keymaster/RemotelyProvisionedComponentDevice.java
@@ -413,7 +413,7 @@ public void processUpdateChallenge(APDU apdu) throws Exception {
       // Store the challenge in the data table.
       short challenge = KMArray.cast(arr).get((short) 0);
       short challengeLen = KMByteBlob.cast(challenge).length();
-      if (challengeLen < 32 || challengeLen > 64) {
+      if (challengeLen > 64) {
         KMException.throwIt(KMError.INVALID_INPUT_LENGTH);
       }
       short dataEntryIndex = createEntry(CHALLENGE, challengeLen);