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/*
* Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/*
* RC4 low level APIs are deprecated for public use, but still ok for internal
* use.
*/
#include "internal/deprecated.h"
#include "cipher_rc4.h"
static int cipher_hw_rc4_initkey(PROV_CIPHER_CTX *ctx,
const unsigned char *key, size_t keylen)
{
PROV_RC4_CTX *rctx = (PROV_RC4_CTX *)ctx;
RC4_set_key(&rctx->ks.ks, keylen, key);
return 1;
}
static int cipher_hw_rc4_cipher(PROV_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len)
{
PROV_RC4_CTX *rctx = (PROV_RC4_CTX *)ctx;
RC4(&rctx->ks.ks, len, in, out);
return 1;
}
static const PROV_CIPHER_HW rc4_hw = {
cipher_hw_rc4_initkey,
cipher_hw_rc4_cipher
};
const PROV_CIPHER_HW *ossl_prov_cipher_hw_rc4(size_t keybits)
{
return &rc4_hw;
}
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