From 0d0e9facfcea3cf96da3b63285865182fdd5477e Mon Sep 17 00:00:00 2001 From: Uros Majstorovic Date: Thu, 11 Jan 2018 21:28:22 +0100 Subject: refatoring dirs --- code/ecp/crypto/include/chacha.h | 48 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 code/ecp/crypto/include/chacha.h (limited to 'code/ecp/crypto/include/chacha.h') diff --git a/code/ecp/crypto/include/chacha.h b/code/ecp/crypto/include/chacha.h new file mode 100644 index 0000000..25a3ef3 --- /dev/null +++ b/code/ecp/crypto/include/chacha.h @@ -0,0 +1,48 @@ +/* $OpenBSD: chacha.h,v 1.7 2015/12/09 14:07:55 bcook Exp $ */ +/* + * Copyright (c) 2014 Joel Sing + * + * 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 +#include + +#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, + uint32_t 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); + +#ifdef __cplusplus +} +#endif + +#endif /* HEADER_CHACHA_H */ -- cgit v1.2.3