diff --git a/plugin/openssl_plugin/rand/src/rand_openssl.c b/plugin/openssl_plugin/rand/src/rand_openssl.c
index da411b657ff977f16a270d93dd1c918ffb89a0ff..08c7899aa9e07611a824de7c6423eac53d9d426f 100644
--- a/plugin/openssl_plugin/rand/src/rand_openssl.c
+++ b/plugin/openssl_plugin/rand/src/rand_openssl.c
@@ -35,7 +35,7 @@ static const char *GetRandOpenSSLClass(void)
 static HcfResult OpensslGenerateRandom(HcfRandSpi *self, int32_t numBytes, HcfBlob *random)
 {
     unsigned char rand_buf[numBytes];
-    int32_t ret = RAND_bytes(rand_buf, numBytes);
+    int32_t ret = RAND_priv_bytes(rand_buf, numBytes);
     if (ret != HCF_OPENSSL_SUCCESS) {
         LOGE("RAND_bytes return error!");
         HcfPrintOpensslError();