+ : runtime_error (_("The certificate chain for signing is invalid"))
+{
+
+}
+
+InvalidSignerError::InvalidSignerError (string reason)
+ : runtime_error (String::compose (_("The certificate chain for signing is invalid (%1)"), reason))
+{
+
+}
+
+ProgrammingError::ProgrammingError (string file, int line, string message)
+ : runtime_error (String::compose (_("Programming error at %1:%2 %3"), file, line, message))