Hide symbols in RC4

ok jsing tb beck

3 files changed, 36 insertions, 1 deletions

diff --git a/src/lib/libcrypto/Symbols.namespace b/src/lib/libcrypto/Symbols.namespace
index adb4330f09..b4ccdfb78b 100644
--- a/src/lib/libcrypto/Symbols.namespace
+++ b/src/lib/libcrypto/Symbols.namespace
@@ -2542,3 +2542,5 @@ _libre_ENGINE_ctrl_cmd
 _libre_ENGINE_ctrl_cmd_string
 _libre_ENGINE_load_private_key
 _libre_ENGINE_load_public_key
+_libre_RC4_set_key
+_libre_RC4
diff --git a/src/lib/libcrypto/hidden/openssl/rc4.h b/src/lib/libcrypto/hidden/openssl/rc4.h
new file mode 100644
index 0000000000..16a7ff7e12
--- /dev/null
+++ b/src/lib/libcrypto/hidden/openssl/rc4.h
@@ -0,0 +1,31 @@
+/* $OpenBSD: rc4.h,v 1.1 2024/03/28 08:18:13 joshua Exp $ */
+/*
+ * Copyright (c) 2024 Joshua Sing <joshua@joshuasing.dev>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _LIBCRYPTO_RC4_H
+#define _LIBCRYPTO_RC4_H
+
+#ifndef _MSC_VER
+#include_next <openssl/rc4.h>
+#else
+#include "../include/openssl/rc4.h"
+#endif
+#include "crypto_namespace.h"
+
+LCRYPTO_USED(RC4_set_key);
+LCRYPTO_USED(RC4);
+
+#endif /* _LIBCRYPTO_RC4_H */
diff --git a/src/lib/libcrypto/rc4/rc4.c b/src/lib/libcrypto/rc4/rc4.c
index 8ff8191a51..ff29fdda05 100644
--- a/src/lib/libcrypto/rc4/rc4.c
+++ b/src/lib/libcrypto/rc4/rc4.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: rc4.c,v 1.9 2024/03/28 01:49:29 jsing Exp $ */
+/* $OpenBSD: rc4.c,v 1.10 2024/03/28 08:18:13 joshua Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -299,9 +299,11 @@ RC4(RC4_KEY *key, size_t len, const unsigned char *indata,
 {
         rc4_internal(key, len, indata, outdata);
 }
+LCRYPTO_ALIAS(RC4);
 
 void
 RC4_set_key(RC4_KEY *key, int len, const unsigned char *data)
 {
         rc4_set_key_internal(key, len, data);
 }
+LCRYPTO_ALIAS(RC4_set_key);