From 1acab96d974a1b9f35cbc901f68ef00653d18738 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 23 Jun 2015 15:39:07 -0600 Subject: Add rivest cipher 4 (rc4) implementation Add an implementation of RC4. This will be used by Rockchip booting but may be useful in other situations. Signed-off-by: Simon Glass --- include/rc4.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 include/rc4.h (limited to 'include/rc4.h') diff --git a/include/rc4.h b/include/rc4.h new file mode 100644 index 0000000000..ea409c2f3e --- /dev/null +++ b/include/rc4.h @@ -0,0 +1,21 @@ +/* + * (C) Copyright 2015 Google, Inc + * + * (C) Copyright 2008-2014 Rockchip Electronics + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __RC4_H +#define __RC4_H + +/** + * rc4_encode() - encode a buf with the RC4 cipher + * + * @buf: Buffer to encode (it is overwrite in the process + * @len: Length of buffer in bytes + * @key: 16-byte key to use + */ +void rc4_encode(unsigned char *buf, unsigned int len, unsigned char key[16]); + +#endif -- cgit v1.2.1