1 files changed, 73 insertions, 0 deletions
diff --git a/include/iprt/crypto/rc4.h b/include/iprt/crypto/rc4.h
new file mode 100644
index 00000000..3576116f
--- /dev/null
+++ b/include/iprt/crypto/rc4.h
@@ -0,0 +1,73 @@
+/** @file
+ * IPRT - Crypto - Alleged RC4 Cipher.
+ */
+
+/*
+ * Copyright (C) 2018-2022 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+#ifndef IPRT_INCLUDED_crypto_rc4_h
+#define IPRT_INCLUDED_crypto_rc4_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <iprt/types.h>
+
+
+RT_C_DECLS_BEGIN
+
+/** @defgroup grp_rt_cr_rc4  RTCrRc4 - Alleged RC4 Cipher.
+ * @ingroup grp_rt_crypto
+ * @{
+ */
+
+/** RC4 key structure. */
+typedef union RTCRRC4KEY
+{
+    uint64_t    au64Padding[(2 + 256) / 2];
+#ifdef HEADER_RC4_H
+    RC4_KEY     Ossl;
+#endif
+} RTCRRC4KEY;
+/** Pointer to a RC4 key structure. */
+typedef RTCRRC4KEY *PRTCRRC4KEY;
+/** Pointer to a const RC4 key structure. */
+typedef RTCRRC4KEY const *PCRTCRRC4KEY;
+
+RTDECL(void) RTCrRc4SetKey(PRTCRRC4KEY pKey, size_t cbData, void const *pvData);
+RTDECL(void) RTCrRc4(PRTCRRC4KEY pKey, size_t cbData, void const *pvDataIn, void *pvDataOut);
+
+/** @} */
+
+RT_C_DECLS_END
+
+#endif /* !IPRT_INCLUDED_crypto_rc4_h */
+