Add change log

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/ChangeLog.d/fix-aead-nonce.txt b/ChangeLog.d/fix-aead-nonce.txt
new file mode 100644
index 0000000..767cc1d
--- /dev/null
+++ b/ChangeLog.d/fix-aead-nonce.txt
@@ -0,0 +1,5 @@
+Security
+   * In psa_aead_generate_nonce(), do not read back from the output buffer.
+     This fixes a potential policy bypass or decryption oracle vulnerability
+     if the output buffer is in memory that is shared with an untrusted
+     application.