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Project_CTR/makerom/deps/libmbedtls/include/mbedtls/entropy_poll.h
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Jack cc707c160f Modernize MakeROM build system + bug fixes (#120)
* Move files around to new directory structure

* Rework libyaml into a stand-alone dep for makerom.

* Rework libpolarssl to be standalone dependency for makerom.

* Update includes.

* Delete makefile

* Add new makefile for makerom.

* Update MakeROM github actions script.

* Fix again.

* Update MakeROM's makefile

* Tweak makerom build script

* Tweak MakeROM build script.

* Fix typo

* Update MakeROM makefiles.

* Tweak CTRTool build script.

* Tweak build script

* Tweak CTRTool build script.

* Tweak CTRTool build script

* Add libmbedtls to makerom deps

* Partially migrate makerom to libmbedtls

* Break out libblz as an external dependency for makerom.

* Tweak makerom build script.

* Move dependencies to the top level.

* Put everything back.

* misc

* Update makerom documentation.

* Link to ctrtool/makerom readmes from the root readme.

* Update root readme again.

* Migrate makerom to modern mbedtls

* Bump makerom version to 0.18.1

* Change signing errors to be warnings when they fail.

* Add error verbosity to errors when generating CIA files.

* Fix bug in RSA code.

* misc.

* Remove polarssl now migration to mbedtls complete.

* Surface more makerom errors.

* [makerom] Tolerate CCI signing errors as a warning.

* Add missing return.

* Import initial data key_x (prod/dev included)

* [makerom] Fix initial data generation.
2022-04-17 10:49:05 +08:00

111 lines
3.2 KiB
C

/**
* \file entropy_poll.h
*
* \brief Platform-specific and custom entropy polling functions
*/
/*
* Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_ENTROPY_POLL_H
#define MBEDTLS_ENTROPY_POLL_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Default thresholds for built-in sources, in bytes
*/
#define MBEDTLS_ENTROPY_MIN_PLATFORM 32 /**< Minimum for platform source */
#define MBEDTLS_ENTROPY_MIN_HAVEGE 32 /**< Minimum for HAVEGE */
#define MBEDTLS_ENTROPY_MIN_HARDCLOCK 4 /**< Minimum for mbedtls_timing_hardclock() */
#if !defined(MBEDTLS_ENTROPY_MIN_HARDWARE)
#define MBEDTLS_ENTROPY_MIN_HARDWARE 32 /**< Minimum for the hardware source */
#endif
/**
* \brief Entropy poll callback that provides 0 entropy.
*/
#if defined(MBEDTLS_TEST_NULL_ENTROPY)
int mbedtls_null_entropy_poll( void *data,
unsigned char *output, size_t len, size_t *olen );
#endif
#if !defined(MBEDTLS_NO_PLATFORM_ENTROPY)
/**
* \brief Platform-specific entropy poll callback
*/
int mbedtls_platform_entropy_poll( void *data,
unsigned char *output, size_t len, size_t *olen );
#endif
#if defined(MBEDTLS_HAVEGE_C)
/**
* \brief HAVEGE based entropy poll callback
*
* Requires an HAVEGE state as its data pointer.
*/
int mbedtls_havege_poll( void *data,
unsigned char *output, size_t len, size_t *olen );
#endif
#if defined(MBEDTLS_TIMING_C)
/**
* \brief mbedtls_timing_hardclock-based entropy poll callback
*/
int mbedtls_hardclock_poll( void *data,
unsigned char *output, size_t len, size_t *olen );
#endif
#if defined(MBEDTLS_ENTROPY_HARDWARE_ALT)
/**
* \brief Entropy poll callback for a hardware source
*
* \warning This is not provided by mbed TLS!
* See \c MBEDTLS_ENTROPY_HARDWARE_ALT in config.h.
*
* \note This must accept NULL as its first argument.
*/
int mbedtls_hardware_poll( void *data,
unsigned char *output, size_t len, size_t *olen );
#endif
#if defined(MBEDTLS_ENTROPY_NV_SEED)
/**
* \brief Entropy poll callback for a non-volatile seed file
*
* \note This must accept NULL as its first argument.
*/
int mbedtls_nv_seed_poll( void *data,
unsigned char *output, size_t len, size_t *olen );
#endif
#ifdef __cplusplus
}
#endif
#endif /* entropy_poll.h */