mbed TLS library

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havege.h File Reference

havege.h File Reference

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

Go to the source code of this file.

Data Structures

struct  havege_state
 HAVEGE state structure. More...

Functions

void havege_init (havege_state *hs)
 HAVEGE initialization.
void havege_free (havege_state *hs)
 Clear HAVEGE state.
int havege_random (void *p_rng, unsigned char *output, size_t len)
 HAVEGE rand function.

Detailed Description

HAVEGE: HArdware Volatile Entropy Gathering and Expansion.

Copyright (C) 2006-2013, ARM Limited, All Rights Reserved

This file is part of mbed TLS (https://tls.mbed.org)

This program 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 2 of the License, or (at your option) any later version.

This program 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 this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

Definition in file havege.h.


Function Documentation

void havege_free ( havege_state hs )

Clear HAVEGE state.

Parameters:
hsHAVEGE state to be cleared

Definition at line 205 of file havege.c.

void havege_init ( havege_state hs )

HAVEGE initialization.

Parameters:
hsHAVEGE state to be initialized

Definition at line 198 of file havege.c.

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

HAVEGE rand function.

Parameters:
p_rngA HAVEGE state
outputBuffer to fill
lenLength of buffer
Returns:
0

Definition at line 216 of file havege.c.