1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2015 Google, Inc 4 * 5 * (C) Copyright 2008-2014 Rockchip Electronics 6 */ 7 8 #ifndef __RC4_H 9 #define __RC4_H 10 11 /** 12 * rc4_encode() - encode a buf with the RC4 cipher 13 * 14 * @buf: Buffer to encode (it is overwrite in the process 15 * @len: Length of buffer in bytes 16 * @key: 16-byte key to use 17 */ 18 void rc4_encode(unsigned char *buf, unsigned int len, unsigned char key[16]); 19 20 #endif 21