1 /* 2 * (C) Copyright 2015 Google, Inc 3 * 4 * (C) Copyright 2008-2014 Rockchip Electronics 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 #ifndef __RC4_H 10 #define __RC4_H 11 12 /** 13 * rc4_encode() - encode a buf with the RC4 cipher 14 * 15 * @buf: Buffer to encode (it is overwrite in the process 16 * @len: Length of buffer in bytes 17 * @key: 16-byte key to use 18 */ 19 void rc4_encode(unsigned char *buf, unsigned int len, unsigned char key[16]); 20 21 #endif 22