From 97edf5e1e22e50263010ee98ccb93b5b06d4016d Mon Sep 17 00:00:00 2001
From: Gilles Peskine <Gilles.Peskine@arm.com>
Date: Wed, 2 Oct 2019 19:00:29 +0200
Subject: [PATCH] Add ChangeLog entry for the DRBG documentation improvements

---
 ChangeLog | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index a746a38a3..88b93452a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
 mbed TLS ChangeLog (Sorted per branch, date)
 
+= mbed TLS 2.7.x branch released xxxx-xx-xx
+
+Changes
+   * Clarify how the interface of the CTR_DRBG and HMAC modules relates to
+     NIST SP 800-90A. In particular CTR_DRBG requires an explicit nonce
+     to achieve a 256-bit strength if MBEDTLS_ENTROPY_FORCE_SHA256 is set.
+
 = mbed TLS 2.7.12 branch released 2019-09-06
 
 Security