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mbedtls 2.26.0
This commit is contained in:
Philippe Teuwen
parent
37e0ed59f2
commit
6324e2e746
187 changed files with 106114 additions and 19438 deletions
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@ -4,30 +4,26 @@
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* \brief Entropy accumulator implementation
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*/
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/*
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* Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: GPL-2.0
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MBEDTLS_ENTROPY_H
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#define MBEDTLS_ENTROPY_H
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "config.h"
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#include "mbedtls/config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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@ -35,21 +31,21 @@
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#include <stddef.h>
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#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_ENTROPY_FORCE_SHA256)
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#include "sha512.h"
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#include "mbedtls/sha512.h"
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#define MBEDTLS_ENTROPY_SHA512_ACCUMULATOR
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#else
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#if defined(MBEDTLS_SHA256_C)
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#define MBEDTLS_ENTROPY_SHA256_ACCUMULATOR
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#include "sha256.h"
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#include "mbedtls/sha256.h"
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#endif
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#endif
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#if defined(MBEDTLS_THREADING_C)
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#include "threading.h"
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#include "mbedtls/threading.h"
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#endif
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#if defined(MBEDTLS_HAVEGE_C)
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#include "havege.h"
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#include "mbedtls/havege.h"
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#endif
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#define MBEDTLS_ERR_ENTROPY_SOURCE_FAILED -0x003C /**< Critical entropy source failure. */
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@ -104,14 +100,15 @@ extern "C" {
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* MBEDTLS_ERR_ENTROPY_SOURCE_FAILED otherwise
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*/
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typedef int (*mbedtls_entropy_f_source_ptr)(void *data, unsigned char *output, size_t len,
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size_t *olen);
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size_t *olen);
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/**
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* \brief Entropy source state
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*/
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typedef struct mbedtls_entropy_source_state {
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typedef struct mbedtls_entropy_source_state
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{
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mbedtls_entropy_f_source_ptr f_source; /**< The entropy source callback */
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void *p_source; /**< The callback data pointer */
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void * p_source; /**< The callback data pointer */
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size_t size; /**< Amount received in bytes */
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size_t threshold; /**< Minimum bytes required before release */
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int strong; /**< Is the source strong? */
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@ -121,14 +118,17 @@ mbedtls_entropy_source_state;
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/**
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* \brief Entropy context structure
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*/
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typedef struct mbedtls_entropy_context {
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int accumulator_started;
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typedef struct mbedtls_entropy_context
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{
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int accumulator_started; /* 0 after init.
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* 1 after the first update.
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* -1 after free. */
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#if defined(MBEDTLS_ENTROPY_SHA512_ACCUMULATOR)
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mbedtls_sha512_context accumulator;
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#else
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mbedtls_sha256_context accumulator;
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#endif
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int source_count;
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int source_count; /* Number of entries used in source. */
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mbedtls_entropy_source_state source[MBEDTLS_ENTROPY_MAX_SOURCES];
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#if defined(MBEDTLS_HAVEGE_C)
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mbedtls_havege_state havege_data;
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@ -147,14 +147,14 @@ mbedtls_entropy_context;
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*
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* \param ctx Entropy context to initialize
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*/
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void mbedtls_entropy_init(mbedtls_entropy_context *ctx);
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void mbedtls_entropy_init( mbedtls_entropy_context *ctx );
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/**
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* \brief Free the data in the context
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*
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* \param ctx Entropy context to free
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*/
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void mbedtls_entropy_free(mbedtls_entropy_context *ctx);
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void mbedtls_entropy_free( mbedtls_entropy_context *ctx );
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/**
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* \brief Adds an entropy source to poll
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@ -173,9 +173,9 @@ void mbedtls_entropy_free(mbedtls_entropy_context *ctx);
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*
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* \return 0 if successful or MBEDTLS_ERR_ENTROPY_MAX_SOURCES
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*/
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int mbedtls_entropy_add_source(mbedtls_entropy_context *ctx,
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mbedtls_entropy_f_source_ptr f_source, void *p_source,
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size_t threshold, int strong);
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int mbedtls_entropy_add_source( mbedtls_entropy_context *ctx,
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mbedtls_entropy_f_source_ptr f_source, void *p_source,
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size_t threshold, int strong );
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/**
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* \brief Trigger an extra gather poll for the accumulator
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@ -185,7 +185,7 @@ int mbedtls_entropy_add_source(mbedtls_entropy_context *ctx,
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*
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* \return 0 if successful, or MBEDTLS_ERR_ENTROPY_SOURCE_FAILED
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*/
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int mbedtls_entropy_gather(mbedtls_entropy_context *ctx);
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int mbedtls_entropy_gather( mbedtls_entropy_context *ctx );
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/**
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* \brief Retrieve entropy from the accumulator
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@ -198,7 +198,7 @@ int mbedtls_entropy_gather(mbedtls_entropy_context *ctx);
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*
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* \return 0 if successful, or MBEDTLS_ERR_ENTROPY_SOURCE_FAILED
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*/
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int mbedtls_entropy_func(void *data, unsigned char *output, size_t len);
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int mbedtls_entropy_func( void *data, unsigned char *output, size_t len );
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/**
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* \brief Add data to the accumulator manually
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@ -210,8 +210,8 @@ int mbedtls_entropy_func(void *data, unsigned char *output, size_t len);
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*
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* \return 0 if successful
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*/
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int mbedtls_entropy_update_manual(mbedtls_entropy_context *ctx,
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const unsigned char *data, size_t len);
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int mbedtls_entropy_update_manual( mbedtls_entropy_context *ctx,
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const unsigned char *data, size_t len );
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#if defined(MBEDTLS_ENTROPY_NV_SEED)
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/**
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@ -222,7 +222,7 @@ int mbedtls_entropy_update_manual(mbedtls_entropy_context *ctx,
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*
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* \return 0 if successful
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*/
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int mbedtls_entropy_update_nv_seed(mbedtls_entropy_context *ctx);
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int mbedtls_entropy_update_nv_seed( mbedtls_entropy_context *ctx );
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#endif /* MBEDTLS_ENTROPY_NV_SEED */
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#if defined(MBEDTLS_FS_IO)
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@ -236,7 +236,7 @@ int mbedtls_entropy_update_nv_seed(mbedtls_entropy_context *ctx);
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* MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR on file error, or
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* MBEDTLS_ERR_ENTROPY_SOURCE_FAILED
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*/
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int mbedtls_entropy_write_seed_file(mbedtls_entropy_context *ctx, const char *path);
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int mbedtls_entropy_write_seed_file( mbedtls_entropy_context *ctx, const char *path );
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/**
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* \brief Read and update a seed file. Seed is added to this
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@ -250,7 +250,7 @@ int mbedtls_entropy_write_seed_file(mbedtls_entropy_context *ctx, const char *pa
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* MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR on file error,
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* MBEDTLS_ERR_ENTROPY_SOURCE_FAILED
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*/
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int mbedtls_entropy_update_seed_file(mbedtls_entropy_context *ctx, const char *path);
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int mbedtls_entropy_update_seed_file( mbedtls_entropy_context *ctx, const char *path );
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#endif /* MBEDTLS_FS_IO */
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#if defined(MBEDTLS_SELF_TEST)
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@ -262,7 +262,7 @@ int mbedtls_entropy_update_seed_file(mbedtls_entropy_context *ctx, const char *p
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*
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* \return 0 if successful, or 1 if a test failed
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*/
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int mbedtls_entropy_self_test(int verbose);
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int mbedtls_entropy_self_test( int verbose );
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#if defined(MBEDTLS_ENTROPY_HARDWARE_ALT)
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/**
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@ -278,7 +278,7 @@ int mbedtls_entropy_self_test(int verbose);
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*
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* \return 0 if successful, or 1 if a test failed
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*/
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int mbedtls_entropy_source_self_test(int verbose);
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int mbedtls_entropy_source_self_test( int verbose );
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#endif /* MBEDTLS_ENTROPY_HARDWARE_ALT */
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#endif /* MBEDTLS_SELF_TEST */
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