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-rw-r--r--crypto/engine/eng_openssl.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/crypto/engine/eng_openssl.c b/crypto/engine/eng_openssl.c
index b5c087830c..704268ad97 100644
--- a/crypto/engine/eng_openssl.c
+++ b/crypto/engine/eng_openssl.c
@@ -8,6 +8,12 @@
* https://www.openssl.org/source/license.html
*/
+/*
+ * RC4 low level APIs are deprecated for public use, but still ok for internal
+ * use.
+ */
+#include "internal/deprecated.h"
+
#include <stdio.h>
#include <openssl/crypto.h>
#include "internal/cryptlib.h"