58 lines
1.9 KiB
C
Executable file
58 lines
1.9 KiB
C
Executable file
/* $OpenBSD: chacha.h,v 1.8 2019/01/22 00:59:21 dlg Exp $ */
|
|
/*
|
|
* Copyright (c) 2014 Joel Sing <jsing@openbsd.org>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifndef HEADER_CHACHA_H
|
|
#define HEADER_CHACHA_H
|
|
|
|
#include <openssl/opensslconf.h>
|
|
|
|
#if defined(OPENSSL_NO_CHACHA)
|
|
#error ChaCha is disabled.
|
|
#endif
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef struct {
|
|
unsigned int input[16];
|
|
unsigned char ks[64];
|
|
unsigned char unused;
|
|
} ChaCha_ctx;
|
|
|
|
void ChaCha_set_key(ChaCha_ctx *ctx, const unsigned char *key,
|
|
unsigned int keybits);
|
|
void ChaCha_set_iv(ChaCha_ctx *ctx, const unsigned char *iv,
|
|
const unsigned char *counter);
|
|
void ChaCha(ChaCha_ctx *ctx, unsigned char *out, const unsigned char *in,
|
|
size_t len);
|
|
|
|
void CRYPTO_chacha_20(unsigned char *out, const unsigned char *in, size_t len,
|
|
const unsigned char key[32], const unsigned char iv[8], uint64_t counter);
|
|
void CRYPTO_xchacha_20(unsigned char *out, const unsigned char *in, size_t len,
|
|
const unsigned char key[32], const unsigned char iv[24]);
|
|
void CRYPTO_hchacha_20(unsigned char out[32],
|
|
const unsigned char key[32], const unsigned char iv[16]);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* HEADER_CHACHA_H */
|