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Diffstat (limited to 'src/3p/monocypher/monocypher-rng.h')
| -rw-r--r-- | src/3p/monocypher/monocypher-rng.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/3p/monocypher/monocypher-rng.h b/src/3p/monocypher/monocypher-rng.h new file mode 100644 index 0000000..22b953c --- /dev/null +++ b/src/3p/monocypher/monocypher-rng.h @@ -0,0 +1,67 @@ +// This file is dual-licensed. Choose whichever licence you want from +// the two licences listed below. +// +// The first licence is a regular 2-clause BSD licence. The second licence +// is the CC-0 from Creative Commons. It is intended to release Monocypher +// to the public domain. The BSD licence serves as a fallback option. +// +// SPDX-License-Identifier: BSD-2-Clause OR CC0-1.0 +// +// ------------------------------------------------------------------------ +// +// Copyright (c) 2019, Loup Vaillant +// All rights reserved. +// +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// 1. Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// +// 2. Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the +// distribution. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// ------------------------------------------------------------------------ +// +// Written in 2017-2019 by Loup Vaillant +// +// To the extent possible under law, the author(s) have dedicated all copyright +// and related neighboring rights to this software to the public domain +// worldwide. This software is distributed without any warranty. +// +// You should have received a copy of the CC0 Public Domain Dedication along +// with this software. If not, see +// <https://creativecommons.org/publicdomain/zero/1.0/> + +#ifndef CRYPTO_RNG +#define CRYPTO_RNG + +#include <stddef.h> +#include <stdint.h> + +typedef struct { + uint8_t pool[512]; + size_t idx; +} crypto_rng_ctx; + +void crypto_rng_init(crypto_rng_ctx *ctx, uint8_t random_seed[32]); +void crypto_rng_read(crypto_rng_ctx *ctx, uint8_t *buf, size_t size); +void crypto_rng_fork(crypto_rng_ctx *ctx, crypto_rng_ctx *child_ctx); + +#endif // CRYPTO_RNG |