chromium/third_party/boringssl/src/crypto/rand_extra/sysrand_internal.h

/* Copyright (c) 2024, Google Inc.
 *
 * Permission to use, copy, modify, and/or 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 OPENSSL_HEADER_CRYPTO_SYSRAND_INTERNAL_H
#define OPENSSL_HEADER_CRYPTO_SYSRAND_INTERNAL_H

#include <openssl/base.h>

#if defined(BORINGSSL_UNSAFE_DETERMINISTIC_MODE)
#define OPENSSL_RAND_DETERMINISTIC
#elif defined(OPENSSL_TRUSTY)
#define OPENSSL_RAND_TRUSTY
#elif defined(OPENSSL_WINDOWS)
#define OPENSSL_RAND_WINDOWS
#elif defined(OPENSSL_LINUX)
#define OPENSSL_RAND_URANDOM
#elif defined(OPENSSL_APPLE) && !defined(OPENSSL_MACOS)
// Unlike macOS, iOS and similar hide away getentropy().
#define OPENSSL_RAND_IOS
#else
// By default if you are integrating BoringSSL we expect you to
// provide getentropy from the <unistd.h> header file.
#define OPENSSL_RAND_GETENTROPY
#endif

#endif  // OPENSSL_HEADER_CRYPTO__SYSRAND_INTERNAL_H