Add changelog entry for signed-digit ecmult_const algorithm

sipa · sipa · commit b4ff4ebbb648 · 2023-01-07T13:47:46.000-05:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+#### Changed
+ - The point multiplication algorithm underlying ECDH (module `ecdh`) was replaced with a slightly faster one.
+
 ## [0.2.0] - 2022-12-12
 
 #### Added
