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// Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef OPENSSL_HEADER_RC4_H
#define OPENSSL_HEADER_RC4_H
#include <contrib/restricted/google/boringssl/include/openssl/base.h> // IWYU pragma: export
#if defined(__cplusplus)
extern "C" {
#endif
// RC4.
struct rc4_key_st {
uint32_t x, y;
uint32_t data[256];
} /* RC4_KEY */;
// RC4_set_key performs an RC4 key schedule and initialises |rc4key| with |len|
// bytes of key material from |key|.
OPENSSL_EXPORT void RC4_set_key(RC4_KEY *rc4key, unsigned len,
const uint8_t *key);
// RC4 encrypts (or decrypts, it's the same with RC4) |len| bytes from |in| to
// |out|.
OPENSSL_EXPORT void RC4(RC4_KEY *key, size_t len, const uint8_t *in,
uint8_t *out);
// Deprecated functions.
// RC4_options returns the string "rc4(ptr,int)".
OPENSSL_EXPORT const char *RC4_options(void);
#if defined(__cplusplus)
} // extern C
#endif
#endif // OPENSSL_HEADER_RC4_H
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