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/* GNU Guix --- Functional package management for GNU
Copyright (C) 2012, 2013 Ludovic Courtès <ludo@gnu.org>
This file is part of GNU Guix.
GNU Guix is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or (at
your option) any later version.
GNU Guix is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. */
/* An OpenSSL-like interface to GNU libgcrypt cryptographic hash
functions. */
#pragma once
#include <gcrypt.h>
#include <unistd.h>
extern "C" {
struct guix_hash_context
{
gcry_md_hd_t md_handle;
};
extern void guix_hash_init (struct guix_hash_context *ctx, int algo);
extern void guix_hash_update (struct guix_hash_context *ctx, const void *buffer,
size_t len);
extern void guix_hash_final (void *resbuf, struct guix_hash_context *ctx,
int algo);
}
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