Add option for even smaller SHA-256
diff --git a/ChangeLog b/ChangeLog
index 4843341..209b1e2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -9,6 +9,8 @@
ability to override the whole module.
* New server-side implementation of session tickets that rotate keys to
preserve forward secrecy, and allows sharing across multiple contexts.
+ * Reduced ROM fooprint of SHA-256 and added an option to reduce it even
+ more (at the expense of performance) MBEDTLS_SHA256_SMALLER.
API Changes
* All public identifiers moved to the mbedtls_* or MBEDTLS_* namespace.