Merge remote-tracking branch 'origin/pr/2520' into mbedtls-2.16

* origin/pr/2520:
  Fix errors in AEAD test function
diff --git a/ChangeLog b/ChangeLog
index 7e7aede..41f6b65 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -26,6 +26,9 @@
    * Reduce stack usage of hkdf tests. Fixes #2195.
    * Fix 1-byte buffer overflow in mbedtls_mpi_write_string() when
      used with negative inputs. Found by Guido Vranken in #2404.
+   * Fix bugs in the AEAD test suite which would be exposed by ciphers which
+     either used both encrypt and decrypt key schedules, or which perform padding.
+     GCM and CCM were not affected. Fixed by Jack Lloyd.
 
 Changes
    * Return from various debugging routines immediately if the