--- CMakeLists.txt.orig	2025-03-26 18:23:19 UTC
+++ CMakeLists.txt
@@ -46,6 +46,7 @@ check_library_exists("m" "sqrt" "" HAVE_SQRT)
 include(CheckLibraryExists)
 check_library_exists("m" "sqrt" "" HAVE_SQRT)
 
+find_package(OpenSSL REQUIRED)
 find_package(BCToolbox 5.3.0 REQUIRED OPTIONAL_COMPONENTS tester)
 if(ENABLE_PQCRYPTO)
 	find_package(PostQuantumCryptoEngine 5.3.0 REQUIRED)