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/ctr_drbg.h | 228 ------------------------------- 1 file changed, 228 deletions(-) delete mode 100644 polarssl/src/include/polarssl/ctr_drbg.h (limited to 'polarssl/src/include/polarssl/ctr_drbg.h') diff --git a/polarssl/src/include/polarssl/ctr_drbg.h b/polarssl/src/include/polarssl/ctr_drbg.h deleted file mode 100644 index 83861a9..0000000 --- a/polarssl/src/include/polarssl/ctr_drbg.h +++ /dev/null @@ -1,228 +0,0 @@ -/** - * \file ctr_drbg.h - * - * \brief CTR_DRBG based on AES-256 (NIST SP 800-90) - * - * Copyright (C) 2006-2010, 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_CTR_DRBG_H -#define POLARSSL_CTR_DRBG_H - -#include - -#include "aes.h" - -#define POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED -0x0034 /**< The entropy source failed. */ -#define POLARSSL_ERR_CTR_DRBG_REQUEST_TOO_BIG -0x0036 /**< Too many random requested in single call. */ -#define POLARSSL_ERR_CTR_DRBG_INPUT_TOO_BIG -0x0038 /**< Input too large (Entropy + additional). */ -#define POLARSSL_ERR_CTR_DRBG_FILE_IO_ERROR -0x003A /**< Read/write error in file. */ - -#define CTR_DRBG_BLOCKSIZE 16 /**< Block size used by the cipher */ -#define CTR_DRBG_KEYSIZE 32 /**< Key size used by the cipher */ -#define CTR_DRBG_KEYBITS ( CTR_DRBG_KEYSIZE * 8 ) -#define CTR_DRBG_SEEDLEN ( CTR_DRBG_KEYSIZE + CTR_DRBG_BLOCKSIZE ) - /**< The seed length (counter + AES key) */ -#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 */ - -#define CTR_DRBG_PR_OFF 0 /**< No prediction resistance */ -#define CTR_DRBG_PR_ON 1 /**< Prediction resistance enabled */ - -#ifdef __cplusplus -extern "C" { -#endif - -/** - * \brief CTR_DRBG context structure - */ -typedef struct -{ - unsigned char counter[16]; /*!< counter (V) */ - int reseed_counter; /*!< reseed counter */ - int prediction_resistance; /*!< enable prediction resistance (Automatic - reseed before every random generation) */ - size_t entropy_len; /*!< amount of entropy grabbed on each (re)seed */ - int reseed_interval; /*!< reseed interval */ - - aes_context aes_ctx; /*!< AES context */ - - /* - * Callbacks (Entropy) - */ - int (*f_entropy)(void *, unsigned char *, size_t); - - void *p_entropy; /*!< context for the entropy function */ -} -ctr_drbg_context; - -/** - * \brief CTR_DRBG initialization - * - * Note: Personalization data can be provided in addition to the more generic - * entropy source to make this instantiation as unique as possible. - * - * \param ctx CTR_DRBG context to be initialized - * \param f_entropy Entropy callback (p_entropy, buffer to fill, buffer - * length) - * \param p_entropy Entropy context - * \param custom Personalization data (Device specific identifiers) - * (Can be NULL) - * \param len Length of personalization data - * - * \return 0 if successful, or - * POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED - */ -int ctr_drbg_init( ctr_drbg_context *ctx, - int (*f_entropy)(void *, unsigned char *, size_t), - void *p_entropy, - const unsigned char *custom, - size_t len ); - -/** - * \brief Enable / disable prediction resistance (Default: Off) - * - * Note: If enabled, entropy is used for ctx->entropy_len before each call! - * Only use this if you have ample supply of good entropy! - * - * \param ctx CTR_DRBG context - * \param resistance CTR_DRBG_PR_ON or CTR_DRBG_PR_OFF - */ -void ctr_drbg_set_prediction_resistance( ctr_drbg_context *ctx, - int resistance ); - -/** - * \brief Set the amount of entropy grabbed on each (re)seed - * (Default: CTR_DRBG_ENTROPY_LEN) - * - * \param ctx CTR_DRBG context - * \param len Amount of entropy to grab - */ -void ctr_drbg_set_entropy_len( ctr_drbg_context *ctx, - size_t len ); - -/** - * \brief Set the reseed interval - * (Default: CTR_DRBG_RESEED_INTERVAL) - * - * \param ctx CTR_DRBG context - * \param interval Reseed interval - */ -void ctr_drbg_set_reseed_interval( ctr_drbg_context *ctx, - int interval ); - -/** - * \brief CTR_DRBG reseeding (extracts data from entropy source) - * - * \param ctx CTR_DRBG context - * \param additional Additional data to add to state (Can be NULL) - * \param len Length of additional data - * - * \return 0 if successful, or - * POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED - */ -int ctr_drbg_reseed( ctr_drbg_context *ctx, - const unsigned char *additional, size_t len ); - -/** - * \brief CTR_DRBG update state - * - * \param ctx CTR_DRBG context - * \param additional Additional data to update state with - * \param add_len Length of additional data - */ -void ctr_drbg_update( ctr_drbg_context *ctx, - const unsigned char *additional, size_t add_len ); - -/** - * \brief CTR_DRBG generate random with additional update input - * - * Note: Automatically reseeds if reseed_counter is reached. - * - * \param p_rng CTR_DRBG context - * \param output Buffer to fill - * \param output_len Length of the buffer - * \param additional Additional data to update with (Can be NULL) - * \param add_len Length of additional data - * - * \return 0 if successful, or - * POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED, or - * POLARSSL_ERR_CTR_DRBG_REQUEST_TOO_BIG - */ -int ctr_drbg_random_with_add( void *p_rng, - unsigned char *output, size_t output_len, - const unsigned char *additional, size_t add_len ); - -/** - * \brief CTR_DRBG generate random - * - * Note: Automatically reseeds if reseed_counter is reached. - * - * \param p_rng CTR_DRBG context - * \param output Buffer to fill - * \param output_len Length of the buffer - * - * \return 0 if successful, or - * POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED, or - * POLARSSL_ERR_CTR_DRBG_REQUEST_TOO_BIG - */ -int ctr_drbg_random( void *p_rng, - unsigned char *output, size_t output_len ); - -#if defined(POLARSSL_FS_IO) -/** - * \brief Write a seed file - * - * \param path Name of the file - * - * \return 0 if successful, 1 on file error, or - * POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED - */ -int ctr_drbg_write_seed_file( ctr_drbg_context *ctx, const char *path ); - -/** - * \brief Read and update a seed file. Seed is added to this - * instance - * - * \param path Name of the file - * - * \return 0 if successful, 1 on file error, - * POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED or - * POLARSSL_ERR_CTR_DRBG_INPUT_TOO_BIG - */ -int ctr_drbg_update_seed_file( ctr_drbg_context *ctx, const char *path ); -#endif - -/** - * \brief Checkup routine - * - * \return 0 if successful, or 1 if the test failed - */ -int ctr_drbg_self_test( int verbose ); - -#ifdef __cplusplus -} -#endif - -#endif /* ctr_drbg.h */ -- cgit v1.2.3