diff --git a/CHANGELOG.md b/CHANGELOG.md
index cfe1ae4..18cac8c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [2.1.5] - Not Released
+
+### Added
+
+- Added private key function.
+
 ## [2.1.4] - 2024-11-19
 
 ### Changed
diff --git a/keydive/constants.py b/keydive/constants.py
index d6ff45e..9e03c8d 100644
--- a/keydive/constants.py
+++ b/keydive/constants.py
@@ -84,7 +84,8 @@ OEM_CRYPTO_API = {
     # Mapping of function names across different API levels (obfuscated names may vary).
     'rnmsglvj', 'polorucp', 'kqzqahjq', 'pldrclfq', 'kgaitijd', 'cwkfcplc', 'crhqcdet', 'ulns', 'dnvffnze', 'ygjiljer',
     'qbjxtubz', 'qkfrcjtw', 'rbhjspoh', 'zgtjmxko', 'igrqajte', 'ofskesua', 'qllcoacg', 'pukctkiv', 'ehdqmfmd',
-    'xftzvkwx', 'gndskkuk', 'wcggmnnx', 'kaatohcz', 'ktmgdchz', 'jkcwonus', 'ehmduqyt', 'vewtuecx'
+    'xftzvkwx', 'gndskkuk', 'wcggmnnx', 'kaatohcz', 'ktmgdchz', 'jkcwonus', 'ehmduqyt', 'vewtuecx', 'mxrbzntq',
+    'isyowgmp'
     # Add more as needed for different versions.
 }