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Centralized module option values in config.h

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Allow user-defined settings without editing header files by using
POLARSSL_CONFIG_OPTIONS in config.h
This commit is contained in:
Paul Bakker 2013-06-17 15:44:03 +02:00
parent 1fd4321ba2
commit 6fa5488779
7 changed files with 86 additions and 11 deletions
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54
include/polarssl/config.h
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@ -3,7 +3,7 @@
*
* \brief Configuration options (set of defines)
*
* Copyright (C) 2006-2012, Brainspark B.V.
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
@ -957,4 +957,56 @@
#define POLARSSL_XTEA_C
/* \} name */
/**
* \name SECTION: Module configuration options
*
* This section allows for the setting of module specific sizes and
* configuration options. The default values are already present in the
* relevant header files and should suffice for the regular use cases.
* Our advice is to enable POLARSSL_CONFIG_OPTIONS and change values here
* only if you have a good reason and know the consequences.
*
* If POLARSSL_CONFIG_OPTIONS is undefined here the options in the module
* header file take precedence.
*
* Please check the respective header file for documentation on these
* parameters (to prevent duplicate documentation).
*
* Uncomment POLARSSL_CONFIG_OPTIONS to enable using the values defined here.
* \{
*/
//#define POLARSSL_CONFIG_OPTIONS /**< Enable config.h module value configuration */
#if defined(POLARSSL_CONFIG_OPTIONS)
// MPI / BIGNUM options
//
#define POLARSSL_MPI_WINDOW_SIZE 6 /**< Maximum windows size used. */
#define POLARSSL_MPI_MAX_SIZE 512 /**< Maximum number of bytes for usable MPIs. */
// CTR_DRBG options
//
#define CTR_DRBG_ENTROPY_LEN 48 /**< Amount of entropy used per seed by default */
#define CTR_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */
#define CTR_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */
#define CTR_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */
#define CTR_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */
// Entropy options
//
#define ENTROPY_MAX_SOURCES 20 /**< Maximum number of sources supported */
#define ENTROPY_MAX_GATHER 128 /**< Maximum amount requested from entropy sources */
// SSL Cache options
//
#define SSL_CACHE_DEFAULT_TIMEOUT 86400 /**< 1 day */
#define SSL_CACHE_DEFAULT_MAX_ENTRIES 50 /**< Maximum entries in cache */
// SSL options
//
#define SSL_MAX_CONTENT_LEN 16384 /**< Size of the input / output buffer */
#endif /* POLARSSL_CONFIG_OPTIONS */
/* \} name */
#endif /* config.h */