PolarSSL v1.1.4
Defines | Functions
entropy_poll.h File Reference

Platform-specific and custom entropy polling functions. More...

#include <string.h>
#include "config.h"
Include dependency graph for entropy_poll.h:

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Defines

#define ENTROPY_MIN_PLATFORM   128
 Minimum for platform source.
#define ENTROPY_MIN_HAVEGE   128
 Minimum for HAVEGE.
#define ENTROPY_MIN_HARDCLOCK   32
 Minimum for hardclock()

Functions

int platform_entropy_poll (void *data, unsigned char *output, size_t len, size_t *olen)
 Platform-specific entropy poll callback.
int havege_poll (void *data, unsigned char *output, size_t len, size_t *olen)
 HAVEGE based entropy poll callback.
int hardclock_poll (void *data, unsigned char *output, size_t len, size_t *olen)
 hardclock-based entropy poll callback

Detailed Description

Platform-specific and custom entropy polling functions.

Copyright (C) 2006-2011, Brainspark B.V.

This file is part of PolarSSL (http://www.polarssl.org) Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>

All rights reserved.

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 entropy_poll.h.


Define Documentation

#define ENTROPY_MIN_HARDCLOCK   32

Minimum for hardclock()

Definition at line 43 of file entropy_poll.h.

#define ENTROPY_MIN_HAVEGE   128

Minimum for HAVEGE.

Definition at line 42 of file entropy_poll.h.

#define ENTROPY_MIN_PLATFORM   128

Minimum for platform source.

Definition at line 41 of file entropy_poll.h.


Function Documentation

int hardclock_poll ( void *  data,
unsigned char *  output,
size_t  len,
size_t *  olen 
)

hardclock-based entropy poll callback

int havege_poll ( void *  data,
unsigned char *  output,
size_t  len,
size_t *  olen 
)

HAVEGE based entropy poll callback.

Requires an HAVEGE state as its data pointer.

int platform_entropy_poll ( void *  data,
unsigned char *  output,
size_t  len,
size_t *  olen 
)

Platform-specific entropy poll callback.