2 files changed, 4 insertions, 2 deletions
diff --git a/src/crypto/rsa/CMakeLists.txt b/src/crypto/rsa/CMakeLists.txt
index c438e1d..0ea12c8 100644
--- a/src/crypto/rsa/CMakeLists.txt
+++ b/src/crypto/rsa/CMakeLists.txt
@@ -16,6 +16,8 @@ add_executable(
   rsa_test
 
   rsa_test.c
+
+  $<TARGET_OBJECTS:test_support>
 )
 
 target_link_libraries(rsa_test crypto)
diff --git a/src/crypto/rsa/rsa.c b/src/crypto/rsa/rsa.c
index 5cc48ed..17059b0 100644
--- a/src/crypto/rsa/rsa.c
+++ b/src/crypto/rsa/rsa.c
@@ -121,7 +121,7 @@ void RSA_free(RSA *rsa) {
     return;
   }
 
-  if (CRYPTO_add(&rsa->references, -1, CRYPTO_LOCK_RSA) > 0) {
+  if (!CRYPTO_refcount_dec_and_test_zero(&rsa->references)) {
     return;
   }
 
@@ -150,7 +150,7 @@ void RSA_free(RSA *rsa) {
 }
 
 int RSA_up_ref(RSA *rsa) {
-  CRYPTO_add(&rsa->references, 1, CRYPTO_LOCK_RSA);
+  CRYPTO_refcount_inc(&rsa->references);
   return 1;
 }