diff --git a/modules/build/include/checksums.hpp b/modules/build/include/checksums.hpp
index b259ad1..710a4f2 100644
--- a/modules/build/include/checksums.hpp
+++ b/modules/build/include/checksums.hpp
@@ -32,7 +32,7 @@
  *
  * @return String containing the name of the hash algorithm to use
  */
-std::string get_configured_hash_algorithm();
+extern "C" std::string get_configured_hash_algorithm();
 
 /**
  * @brief Gets a list of available digest algorithms from OpenSSL
@@ -42,7 +42,7 @@ std::string get_configured_hash_algorithm();
  *
  * @return String containing comma-separated list of available algorithms
  */
-std::string get_available_algorithms();
+extern "C" std::string get_available_algorithms();
 
 /**
  * @brief Generates a file checksum using the configured hashing algorithm
@@ -54,7 +54,7 @@ std::string get_available_algorithms();
  * @param file_path Path to the file to be hashed
  * @return String containing the hexadecimal representation of the checksum, or empty string on error
  */
-std::string generate_file_checksum(const std::filesystem::path& file_path);
+extern "C" std::string generate_file_checksum(const std::filesystem::path& file_path);
 
 /**
  * @brief Generates a checksum of a string using the configured hashing algorithm
@@ -65,4 +65,4 @@ std::string generate_file_checksum(const std::filesystem::path& file_path);
  * @param input_string The string to be hashed
  * @return String containing the hexadecimal representation of the checksum, or empty string on error
  */
-std::string generate_string_checksum(const std::string& input_string);
\ No newline at end of file
+extern "C" std::string generate_string_checksum(const std::string& input_string);
\ No newline at end of file
diff --git a/modules/build/src/checksums.cpp b/modules/build/src/checksums.cpp
index d869187..c5f76bc 100644
--- a/modules/build/src/checksums.cpp
+++ b/modules/build/src/checksums.cpp
@@ -13,7 +13,7 @@
 
 #include "checksums.hpp"
 
-std::string get_configured_hash_algorithm()
+extern "C" std::string get_configured_hash_algorithm()
 {
     const char* algorithm = dpm_get_config("cryptography", "checksum_algorithm");
     if (algorithm && strlen(algorithm) > 0) {
@@ -24,7 +24,7 @@ std::string get_configured_hash_algorithm()
     return "sha256";
 }
 
-std::string get_available_algorithms()
+extern "C" std::string get_available_algorithms()
 {
     std::vector<std::string> algorithms;
     std::vector<std::string> working_algorithms;
@@ -83,7 +83,7 @@ std::string get_available_algorithms()
     return result.str();
 }
 
-std::string generate_file_checksum(const std::filesystem::path& file_path)
+extern "C" std::string generate_file_checksum(const std::filesystem::path& file_path)
 {
     // Get configured algorithm
     std::string algorithm_name = get_configured_hash_algorithm();
@@ -170,7 +170,7 @@ std::string generate_file_checksum(const std::filesystem::path& file_path)
     return ss.str();
 }
 
-std::string generate_string_checksum(const std::string& input_string)
+extern "C" std::string generate_string_checksum(const std::string& input_string)
 {
     // Get configured algorithm
     std::string algorithm_name = get_configured_hash_algorithm();