1 /*
2 * Copyright 2019-2020 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 /*
11 * RC4 low level APIs are deprecated for public use, but still ok for internal
12 * use.
13 */
14 #include "internal/deprecated.h"
15
16 #include "cipher_rc4.h"
17
cipher_hw_rc4_initkey(PROV_CIPHER_CTX * ctx,const unsigned char * key,size_t keylen)18 static int cipher_hw_rc4_initkey(PROV_CIPHER_CTX *ctx,
19 const unsigned char *key, size_t keylen)
20 {
21 PROV_RC4_CTX *rctx = (PROV_RC4_CTX *)ctx;
22
23 RC4_set_key(&rctx->ks.ks, keylen, key);
24 return 1;
25 }
26
cipher_hw_rc4_cipher(PROV_CIPHER_CTX * ctx,unsigned char * out,const unsigned char * in,size_t len)27 static int cipher_hw_rc4_cipher(PROV_CIPHER_CTX *ctx, unsigned char *out,
28 const unsigned char *in, size_t len)
29 {
30 PROV_RC4_CTX *rctx = (PROV_RC4_CTX *)ctx;
31
32 RC4(&rctx->ks.ks, len, in, out);
33 return 1;
34 }
35
36 static const PROV_CIPHER_HW rc4_hw = {
37 cipher_hw_rc4_initkey,
38 cipher_hw_rc4_cipher
39 };
ossl_prov_cipher_hw_rc4(size_t keybits)40 const PROV_CIPHER_HW *ossl_prov_cipher_hw_rc4(size_t keybits)
41 {
42 return &rc4_hw;
43 }
44
45
