havege.h File Reference

HAVEGE: HArdware Volatile Entropy Gathering and Expansion. More...

#include <stddef.h>

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Classes
struct	mbedtls_havege_state
	HAVEGE state structure. More...

Macros
#define	MBEDTLS_HAVEGE_COLLECT_SIZE   1024

Functions
void	mbedtls_havege_init (mbedtls_havege_state *hs)
	HAVEGE initialization. More...
void	mbedtls_havege_free (mbedtls_havege_state *hs)
	Clear HAVEGE state. More...
int	mbedtls_havege_random (void *p_rng, unsigned char *output, size_t len)
	HAVEGE rand function. More...

Detailed Description

HAVEGE: HArdware Volatile Entropy Gathering and Expansion.

Copyright (C) 2006-2015, 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)

Macro Definition Documentation

MBEDTLS_HAVEGE_COLLECT_SIZE

#define MBEDTLS_HAVEGE_COLLECT_SIZE   1024

Function Documentation

mbedtls_havege_free()

void mbedtls_havege_free

(

mbedtls_havege_state *

hs

)

Clear HAVEGE state.

Parameters

hs	HAVEGE state to be cleared

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mbedtls_havege_init()

void mbedtls_havege_init

(

mbedtls_havege_state *

hs

)

HAVEGE initialization.

Parameters

hs	HAVEGE state to be initialized

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mbedtls_havege_random()

int mbedtls_havege_random	(	void *	p_rng,
		unsigned char *	output,
		size_t	len
	)

HAVEGE rand function.

Parameters

p_rng	A HAVEGE state
output	Buffer to fill
len	Length of buffer

Returns

0