Allow runtime inspection/override of crypto provider

1 files changed, 9 insertions, 0 deletions

diff --git a/include/qpdf/QPDFCryptoProvider.hh b/include/qpdf/QPDFCryptoProvider.hh
index 4243fcfd..eb5dcf34 100644
--- a/include/qpdf/QPDFCryptoProvider.hh
+++ b/include/qpdf/QPDFCryptoProvider.hh
@@ -26,6 +26,7 @@
 #include <qpdf/QPDFCryptoImpl.hh>
 #include <string>
 #include <map>
+#include <set>
 #include <memory>
 #include <functional>
 
@@ -64,6 +65,14 @@ class QPDFCryptoProvider
     QPDF_DLL
     static void setDefaultProvider(std::string const& name);
 
+    // Get the names of registered implementations
+    QPDF_DLL
+    static std::set<std::string> getRegisteredImpls();
+
+    // Get the name of the default crypto provider
+    QPDF_DLL
+    static std::string getDefaultProvider();
+
   private:
     QPDFCryptoProvider();
     ~QPDFCryptoProvider() = default;