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-rw-r--r--modules/mbedtls/crypto_mbedtls.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/modules/mbedtls/crypto_mbedtls.cpp b/modules/mbedtls/crypto_mbedtls.cpp
index ca656b4b9b..204f4e8905 100644
--- a/modules/mbedtls/crypto_mbedtls.cpp
+++ b/modules/mbedtls/crypto_mbedtls.cpp
@@ -237,6 +237,7 @@ Ref<CryptoKey> CryptoMbedTLS::generate_rsa(int p_bytes) {
Ref<X509Certificate> CryptoMbedTLS::generate_self_signed_certificate(Ref<CryptoKey> p_key, String p_issuer_name, String p_not_before, String p_not_after) {
Ref<CryptoKeyMbedTLS> key = static_cast<Ref<CryptoKeyMbedTLS> >(p_key);
+ ERR_FAIL_COND_V_MSG(key.is_null(), NULL, "Invalid private key argument.");
mbedtls_x509write_cert crt;
mbedtls_x509write_crt_init(&crt);