From 682f23e7bb4a52bedf46eff5c4859e1308eda124 Mon Sep 17 00:00:00 2001 From: Michał Cichoń Date: Tue, 25 Aug 2015 19:56:24 +0200 Subject: Update build ref --- polarssl/src/include/polarssl/entropy.h | 150 -------------------------------- 1 file changed, 150 deletions(-) delete mode 100644 polarssl/src/include/polarssl/entropy.h (limited to 'polarssl/src/include/polarssl/entropy.h') diff --git a/polarssl/src/include/polarssl/entropy.h b/polarssl/src/include/polarssl/entropy.h deleted file mode 100644 index 53bce41..0000000 --- a/polarssl/src/include/polarssl/entropy.h +++ /dev/null @@ -1,150 +0,0 @@ -/** - * \file entropy.h - * - * \brief Entropy accumulator implementation - * - * Copyright (C) 2006-2011, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker - * - * 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. - */ -#ifndef POLARSSL_ENTROPY_H -#define POLARSSL_ENTROPY_H - -#include - -#include "config.h" - -#include "sha4.h" -#if defined(POLARSSL_HAVEGE_C) -#include "havege.h" -#endif - -#define POLARSSL_ERR_ENTROPY_SOURCE_FAILED -0x003C /**< Critical entropy source failure. */ -#define POLARSSL_ERR_ENTROPY_MAX_SOURCES -0x003E /**< No more sources can be added. */ -#define POLARSSL_ERR_ENTROPY_NO_SOURCES_DEFINED -0x0040 /**< No sources have been added to poll. */ - -#define ENTROPY_MAX_SOURCES 20 /**< Maximum number of sources supported */ -#define ENTROPY_MAX_GATHER 128 /**< Maximum amount requested from entropy sources */ -#define ENTROPY_BLOCK_SIZE 64 /**< Block size of entropy accumulator (SHA-512) */ - -#define ENTROPY_SOURCE_MANUAL ENTROPY_MAX_SOURCES - -#ifdef __cplusplus -extern "C" { -#endif - -/** - * \brief Entropy poll callback pointer - * - * \param data Callback-specific data pointer - * \param output Data to fill - * \param len Maximum size to provide - * \param olen The actual amount of bytes put into the buffer (Can be 0) - * - * \return 0 if no critical failures occurred, - * POLARSSL_ERR_ENTROPY_SOURCE_FAILED otherwise - */ -typedef int (*f_source_ptr)(void *, unsigned char *, size_t, size_t *); - -/** - * \brief Entropy source state - */ -typedef struct -{ - f_source_ptr f_source; /**< The entropy source callback */ - void * p_source; /**< The callback data pointer */ - size_t size; /**< Amount received */ - size_t threshold; /**< Minimum level required before release */ -} -source_state; - -/** - * \brief Entropy context structure - */ -typedef struct -{ - sha4_context accumulator; - int source_count; - source_state source[ENTROPY_MAX_SOURCES]; -#if defined(POLARSSL_HAVEGE_C) - havege_state havege_data; -#endif -} -entropy_context; - -/** - * \brief Initialize the context - * - * \param ctx Entropy context to initialize - */ -void entropy_init( entropy_context *ctx ); - -/** - * \brief Adds an entropy source to poll - * - * \param ctx Entropy context - * \param f_source Entropy function - * \param p_source Function data - * \param threshold Minimum required from source before entropy is released - * ( with entropy_func() ) - * - * \return 0 if successful or POLARSSL_ERR_ENTROPY_MAX_SOURCES - */ -int entropy_add_source( entropy_context *ctx, - f_source_ptr f_source, void *p_source, - size_t threshold ); - -/** - * \brief Trigger an extra gather poll for the accumulator - * - * \param ctx Entropy context - * - * \return 0 if successful, or POLARSSL_ERR_ENTROPY_SOURCE_FAILED - */ -int entropy_gather( entropy_context *ctx ); - -/** - * \brief Retrieve entropy from the accumulator (Max ENTROPY_BLOCK_SIZE) - * - * \param data Entropy context - * \param output Buffer to fill - * \param len Length of buffer - * - * \return 0 if successful, or POLARSSL_ERR_ENTROPY_SOURCE_FAILED - */ -int entropy_func( void *data, unsigned char *output, size_t len ); - -/** - * \brief Add data to the accumulator manually - * - * \param ctx Entropy context - * \param data Data to add - * \param len Length of data - * - * \return 0 if successful - */ -int entropy_update_manual( entropy_context *ctx, - const unsigned char *data, size_t len ); - -#ifdef __cplusplus -} -#endif - -#endif /* entropy.h */ -- cgit v1.2.3