1/*
2 * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include "cipher_rc4.h"
11
12static int cipher_hw_rc4_initkey(PROV_CIPHER_CTX *ctx,
13 const unsigned char *key, size_t keylen)
14{
15 PROV_RC4_CTX *rctx = (PROV_RC4_CTX *)ctx;
16
17 RC4_set_key(&rctx->ks.ks, keylen, key);
18 return 1;
19}
20
21static int cipher_hw_rc4_cipher(PROV_CIPHER_CTX *ctx, unsigned char *out,
22 const unsigned char *in, size_t len)
23{
24 PROV_RC4_CTX *rctx = (PROV_RC4_CTX *)ctx;
25
26 RC4(&rctx->ks.ks, len, in, out);
27 return 1;
28}
29
30static const PROV_CIPHER_HW rc4_hw = {
31 cipher_hw_rc4_initkey,
32 cipher_hw_rc4_cipher
33};
34const PROV_CIPHER_HW *PROV_CIPHER_HW_rc4(size_t keybits)
35{
36 return &rc4_hw;
37}
38
39