Hannes Tschofenig / Mbed 2 deprecated aes-gcm-test-program

Example program to test AES-GCM functionality. Used for a workshop

Dependencies:   mbed

SSL/include/polarssl/hmac_drbg.h@0:796d0f61a05b, 2018-09-27 (annotated)

Committer:
HannesTschofenig
Date:
Thu Sep 27 06:34:22 2018 +0000
Revision:
0:796d0f61a05b
Example AES-GCM test program

Who changed what in which revision?

UserRevisionLine numberNew contents of line
HannesTschofenig 0:796d0f61a05b 1 /**
HannesTschofenig 0:796d0f61a05b 2 * \file hmac_drbg.h
HannesTschofenig 0:796d0f61a05b 3 *
HannesTschofenig 0:796d0f61a05b 4 * \brief HMAC_DRBG (NIST SP 800-90A)
HannesTschofenig 0:796d0f61a05b 5 *
HannesTschofenig 0:796d0f61a05b 6 * Copyright (C) 2014, Brainspark B.V.
HannesTschofenig 0:796d0f61a05b 7 *
HannesTschofenig 0:796d0f61a05b 8 * This file is part of PolarSSL (http://www.polarssl.org)
HannesTschofenig 0:796d0f61a05b 9 * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
HannesTschofenig 0:796d0f61a05b 10 *
HannesTschofenig 0:796d0f61a05b 11 * All rights reserved.
HannesTschofenig 0:796d0f61a05b 12 *
HannesTschofenig 0:796d0f61a05b 13 * This program is free software; you can redistribute it and/or modify
HannesTschofenig 0:796d0f61a05b 14 * it under the terms of the GNU General Public License as published by
HannesTschofenig 0:796d0f61a05b 15 * the Free Software Foundation; either version 2 of the License, or
HannesTschofenig 0:796d0f61a05b 16 * (at your option) any later version.
HannesTschofenig 0:796d0f61a05b 17 *
HannesTschofenig 0:796d0f61a05b 18 * This program is distributed in the hope that it will be useful,
HannesTschofenig 0:796d0f61a05b 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
HannesTschofenig 0:796d0f61a05b 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
HannesTschofenig 0:796d0f61a05b 21 * GNU General Public License for more details.
HannesTschofenig 0:796d0f61a05b 22 *
HannesTschofenig 0:796d0f61a05b 23 * You should have received a copy of the GNU General Public License along
HannesTschofenig 0:796d0f61a05b 24 * with this program; if not, write to the Free Software Foundation, Inc.,
HannesTschofenig 0:796d0f61a05b 25 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
HannesTschofenig 0:796d0f61a05b 26 */
HannesTschofenig 0:796d0f61a05b 27 #ifndef POLARSSL_HMAC_DRBG_H
HannesTschofenig 0:796d0f61a05b 28 #define POLARSSL_HMAC_DRBG_H
HannesTschofenig 0:796d0f61a05b 29
HannesTschofenig 0:796d0f61a05b 30 #include "md.h"
HannesTschofenig 0:796d0f61a05b 31
HannesTschofenig 0:796d0f61a05b 32 /*
HannesTschofenig 0:796d0f61a05b 33 * Error codes
HannesTschofenig 0:796d0f61a05b 34 */
HannesTschofenig 0:796d0f61a05b 35 #define POLARSSL_ERR_HMAC_DRBG_REQUEST_TOO_BIG -0x0003 /**< Too many random requested in single call. */
HannesTschofenig 0:796d0f61a05b 36 #define POLARSSL_ERR_HMAC_DRBG_INPUT_TOO_BIG -0x0005 /**< Input too large (Entropy + additional). */
HannesTschofenig 0:796d0f61a05b 37 #define POLARSSL_ERR_HMAC_DRBG_FILE_IO_ERROR -0x0007 /**< Read/write error in file. */
HannesTschofenig 0:796d0f61a05b 38 #define POLARSSL_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED -0x0009 /**< The entropy source failed. */
HannesTschofenig 0:796d0f61a05b 39
HannesTschofenig 0:796d0f61a05b 40 /**
HannesTschofenig 0:796d0f61a05b 41 * \name SECTION: Module settings
HannesTschofenig 0:796d0f61a05b 42 *
HannesTschofenig 0:796d0f61a05b 43 * The configuration options you can set for this module are in this section.
HannesTschofenig 0:796d0f61a05b 44 * Either change them in config.h or define them on the compiler command line.
HannesTschofenig 0:796d0f61a05b 45 * \{
HannesTschofenig 0:796d0f61a05b 46 */
HannesTschofenig 0:796d0f61a05b 47
HannesTschofenig 0:796d0f61a05b 48 #if !defined(POLARSSL_HMAC_DRBG_RESEED_INTERVAL)
HannesTschofenig 0:796d0f61a05b 49 #define POLARSSL_HMAC_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */
HannesTschofenig 0:796d0f61a05b 50 #endif
HannesTschofenig 0:796d0f61a05b 51
HannesTschofenig 0:796d0f61a05b 52 #if !defined(POLARSSL_HMAC_DRBG_MAX_INPUT)
HannesTschofenig 0:796d0f61a05b 53 #define POLARSSL_HMAC_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */
HannesTschofenig 0:796d0f61a05b 54 #endif
HannesTschofenig 0:796d0f61a05b 55
HannesTschofenig 0:796d0f61a05b 56 #if !defined(POLARSSL_HMAC_DRBG_MAX_REQUEST)
HannesTschofenig 0:796d0f61a05b 57 #define POLARSSL_HMAC_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */
HannesTschofenig 0:796d0f61a05b 58 #endif
HannesTschofenig 0:796d0f61a05b 59
HannesTschofenig 0:796d0f61a05b 60 #if !defined(POLARSSL_HMAC_DRBG_MAX_SEED_INPUT)
HannesTschofenig 0:796d0f61a05b 61 #define POLARSSL_HMAC_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */
HannesTschofenig 0:796d0f61a05b 62 #endif
HannesTschofenig 0:796d0f61a05b 63
HannesTschofenig 0:796d0f61a05b 64 /* \} name SECTION: Module settings */
HannesTschofenig 0:796d0f61a05b 65
HannesTschofenig 0:796d0f61a05b 66 #define POLARSSL_HMAC_DRBG_PR_OFF 0 /**< No prediction resistance */
HannesTschofenig 0:796d0f61a05b 67 #define POLARSSL_HMAC_DRBG_PR_ON 1 /**< Prediction resistance enabled */
HannesTschofenig 0:796d0f61a05b 68
HannesTschofenig 0:796d0f61a05b 69 #ifdef __cplusplus
HannesTschofenig 0:796d0f61a05b 70 extern "C" {
HannesTschofenig 0:796d0f61a05b 71 #endif
HannesTschofenig 0:796d0f61a05b 72
HannesTschofenig 0:796d0f61a05b 73 /**
HannesTschofenig 0:796d0f61a05b 74 * HMAC_DRBG context.
HannesTschofenig 0:796d0f61a05b 75 */
HannesTschofenig 0:796d0f61a05b 76 typedef struct
HannesTschofenig 0:796d0f61a05b 77 {
HannesTschofenig 0:796d0f61a05b 78 /* Working state: the key K is not stored explicitely,
HannesTschofenig 0:796d0f61a05b 79 * but is implied by the HMAC context */
HannesTschofenig 0:796d0f61a05b 80 md_context_t md_ctx; /*!< HMAC context (inc. K) */
HannesTschofenig 0:796d0f61a05b 81 unsigned char V[POLARSSL_MD_MAX_SIZE]; /*!< V in the spec */
HannesTschofenig 0:796d0f61a05b 82 int reseed_counter; /*!< reseed counter */
HannesTschofenig 0:796d0f61a05b 83
HannesTschofenig 0:796d0f61a05b 84 /* Administrative state */
HannesTschofenig 0:796d0f61a05b 85 size_t entropy_len; /*!< entropy bytes grabbed on each (re)seed */
HannesTschofenig 0:796d0f61a05b 86 int prediction_resistance; /*!< enable prediction resistance (Automatic
HannesTschofenig 0:796d0f61a05b 87 reseed before every random generation) */
HannesTschofenig 0:796d0f61a05b 88 int reseed_interval; /*!< reseed interval */
HannesTschofenig 0:796d0f61a05b 89
HannesTschofenig 0:796d0f61a05b 90 /* Callbacks */
HannesTschofenig 0:796d0f61a05b 91 int (*f_entropy)(void *, unsigned char *, size_t); /*!< entropy function */
HannesTschofenig 0:796d0f61a05b 92 void *p_entropy; /*!< context for the entropy function */
HannesTschofenig 0:796d0f61a05b 93 } hmac_drbg_context;
HannesTschofenig 0:796d0f61a05b 94
HannesTschofenig 0:796d0f61a05b 95 /**
HannesTschofenig 0:796d0f61a05b 96 * \brief HMAC_DRBG initialisation
HannesTschofenig 0:796d0f61a05b 97 *
HannesTschofenig 0:796d0f61a05b 98 * \param ctx HMAC_DRBG context to be initialised
HannesTschofenig 0:796d0f61a05b 99 * \param md_info MD algorithm to use for HMAC_DRBG
HannesTschofenig 0:796d0f61a05b 100 * \param f_entropy Entropy callback (p_entropy, buffer to fill, buffer
HannesTschofenig 0:796d0f61a05b 101 * length)
HannesTschofenig 0:796d0f61a05b 102 * \param p_entropy Entropy context
HannesTschofenig 0:796d0f61a05b 103 * \param custom Personalization data (Device specific identifiers)
HannesTschofenig 0:796d0f61a05b 104 * (Can be NULL)
HannesTschofenig 0:796d0f61a05b 105 * \param len Length of personalization data
HannesTschofenig 0:796d0f61a05b 106 *
HannesTschofenig 0:796d0f61a05b 107 * \note The "security strength" as defined by NIST is set to:
HannesTschofenig 0:796d0f61a05b 108 * 128 bits if md_alg is SHA-1,
HannesTschofenig 0:796d0f61a05b 109 * 192 bits if md_alg is SHA-224,
HannesTschofenig 0:796d0f61a05b 110 * 256 bits if md_alg is SHA-256 or higher.
HannesTschofenig 0:796d0f61a05b 111 * Note that SHA-256 is just as efficient as SHA-224.
HannesTschofenig 0:796d0f61a05b 112 *
HannesTschofenig 0:796d0f61a05b 113 * \return 0 if successful, or
HannesTschofenig 0:796d0f61a05b 114 * POLARSSL_ERR_MD_BAD_INPUT_DATA, or
HannesTschofenig 0:796d0f61a05b 115 * POLARSSL_ERR_MD_ALLOC_FAILED, or
HannesTschofenig 0:796d0f61a05b 116 * POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED.
HannesTschofenig 0:796d0f61a05b 117 */
HannesTschofenig 0:796d0f61a05b 118 int hmac_drbg_init( hmac_drbg_context *ctx,
HannesTschofenig 0:796d0f61a05b 119 const md_info_t * md_info,
HannesTschofenig 0:796d0f61a05b 120 int (*f_entropy)(void *, unsigned char *, size_t),
HannesTschofenig 0:796d0f61a05b 121 void *p_entropy,
HannesTschofenig 0:796d0f61a05b 122 const unsigned char *custom,
HannesTschofenig 0:796d0f61a05b 123 size_t len );
HannesTschofenig 0:796d0f61a05b 124
HannesTschofenig 0:796d0f61a05b 125 /**
HannesTschofenig 0:796d0f61a05b 126 * \brief Initilisation of simpified HMAC_DRBG (never reseeds).
HannesTschofenig 0:796d0f61a05b 127 * (For use with deterministic ECDSA.)
HannesTschofenig 0:796d0f61a05b 128 *
HannesTschofenig 0:796d0f61a05b 129 * \param ctx HMAC_DRBG context to be initialised
HannesTschofenig 0:796d0f61a05b 130 * \param md_info MD algorithm to use for HMAC_DRBG
HannesTschofenig 0:796d0f61a05b 131 * \param data Concatenation of entropy string and additional data
HannesTschofenig 0:796d0f61a05b 132 * \param data_len Length of data in bytes
HannesTschofenig 0:796d0f61a05b 133 *
HannesTschofenig 0:796d0f61a05b 134 * \return 0 if successful, or
HannesTschofenig 0:796d0f61a05b 135 * POLARSSL_ERR_MD_BAD_INPUT_DATA, or
HannesTschofenig 0:796d0f61a05b 136 * POLARSSL_ERR_MD_ALLOC_FAILED.
HannesTschofenig 0:796d0f61a05b 137 */
HannesTschofenig 0:796d0f61a05b 138 int hmac_drbg_init_buf( hmac_drbg_context *ctx,
HannesTschofenig 0:796d0f61a05b 139 const md_info_t * md_info,
HannesTschofenig 0:796d0f61a05b 140 const unsigned char *data, size_t data_len );
HannesTschofenig 0:796d0f61a05b 141
HannesTschofenig 0:796d0f61a05b 142 /**
HannesTschofenig 0:796d0f61a05b 143 * \brief Enable / disable prediction resistance (Default: Off)
HannesTschofenig 0:796d0f61a05b 144 *
HannesTschofenig 0:796d0f61a05b 145 * Note: If enabled, entropy is used for ctx->entropy_len before each call!
HannesTschofenig 0:796d0f61a05b 146 * Only use this if you have ample supply of good entropy!
HannesTschofenig 0:796d0f61a05b 147 *
HannesTschofenig 0:796d0f61a05b 148 * \param ctx HMAC_DRBG context
HannesTschofenig 0:796d0f61a05b 149 * \param resistance POLARSSL_HMAC_DRBG_PR_ON or POLARSSL_HMAC_DRBG_PR_OFF
HannesTschofenig 0:796d0f61a05b 150 */
HannesTschofenig 0:796d0f61a05b 151 void hmac_drbg_set_prediction_resistance( hmac_drbg_context *ctx,
HannesTschofenig 0:796d0f61a05b 152 int resistance );
HannesTschofenig 0:796d0f61a05b 153
HannesTschofenig 0:796d0f61a05b 154 /**
HannesTschofenig 0:796d0f61a05b 155 * \brief Set the amount of entropy grabbed on each reseed
HannesTschofenig 0:796d0f61a05b 156 * (Default: given by the security strength, which
HannesTschofenig 0:796d0f61a05b 157 * depends on the hash used, see \c hmac_drbg_init() )
HannesTschofenig 0:796d0f61a05b 158 *
HannesTschofenig 0:796d0f61a05b 159 * \param ctx HMAC_DRBG context
HannesTschofenig 0:796d0f61a05b 160 * \param len Amount of entropy to grab, in bytes
HannesTschofenig 0:796d0f61a05b 161 */
HannesTschofenig 0:796d0f61a05b 162 void hmac_drbg_set_entropy_len( hmac_drbg_context *ctx,
HannesTschofenig 0:796d0f61a05b 163 size_t len );
HannesTschofenig 0:796d0f61a05b 164
HannesTschofenig 0:796d0f61a05b 165 /**
HannesTschofenig 0:796d0f61a05b 166 * \brief Set the reseed interval
HannesTschofenig 0:796d0f61a05b 167 * (Default: POLARSSL_HMAC_DRBG_RESEED_INTERVAL)
HannesTschofenig 0:796d0f61a05b 168 *
HannesTschofenig 0:796d0f61a05b 169 * \param ctx HMAC_DRBG context
HannesTschofenig 0:796d0f61a05b 170 * \param interval Reseed interval
HannesTschofenig 0:796d0f61a05b 171 */
HannesTschofenig 0:796d0f61a05b 172 void hmac_drbg_set_reseed_interval( hmac_drbg_context *ctx,
HannesTschofenig 0:796d0f61a05b 173 int interval );
HannesTschofenig 0:796d0f61a05b 174
HannesTschofenig 0:796d0f61a05b 175 /**
HannesTschofenig 0:796d0f61a05b 176 * \brief HMAC_DRBG update state
HannesTschofenig 0:796d0f61a05b 177 *
HannesTschofenig 0:796d0f61a05b 178 * \param ctx HMAC_DRBG context
HannesTschofenig 0:796d0f61a05b 179 * \param additional Additional data to update state with, or NULL
HannesTschofenig 0:796d0f61a05b 180 * \param add_len Length of additional data, or 0
HannesTschofenig 0:796d0f61a05b 181 *
HannesTschofenig 0:796d0f61a05b 182 * \note Additional data is optional, pass NULL and 0 as second
HannesTschofenig 0:796d0f61a05b 183 * third argument if no additional data is being used.
HannesTschofenig 0:796d0f61a05b 184 */
HannesTschofenig 0:796d0f61a05b 185 void hmac_drbg_update( hmac_drbg_context *ctx,
HannesTschofenig 0:796d0f61a05b 186 const unsigned char *additional, size_t add_len );
HannesTschofenig 0:796d0f61a05b 187
HannesTschofenig 0:796d0f61a05b 188 /**
HannesTschofenig 0:796d0f61a05b 189 * \brief HMAC_DRBG reseeding (extracts data from entropy source)
HannesTschofenig 0:796d0f61a05b 190 *
HannesTschofenig 0:796d0f61a05b 191 * \param ctx HMAC_DRBG context
HannesTschofenig 0:796d0f61a05b 192 * \param additional Additional data to add to state (Can be NULL)
HannesTschofenig 0:796d0f61a05b 193 * \param len Length of additional data
HannesTschofenig 0:796d0f61a05b 194 *
HannesTschofenig 0:796d0f61a05b 195 * \return 0 if successful, or
HannesTschofenig 0:796d0f61a05b 196 * POLARSSL_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED
HannesTschofenig 0:796d0f61a05b 197 */
HannesTschofenig 0:796d0f61a05b 198 int hmac_drbg_reseed( hmac_drbg_context *ctx,
HannesTschofenig 0:796d0f61a05b 199 const unsigned char *additional, size_t len );
HannesTschofenig 0:796d0f61a05b 200
HannesTschofenig 0:796d0f61a05b 201 /**
HannesTschofenig 0:796d0f61a05b 202 * \brief HMAC_DRBG generate random with additional update input
HannesTschofenig 0:796d0f61a05b 203 *
HannesTschofenig 0:796d0f61a05b 204 * Note: Automatically reseeds if reseed_counter is reached or PR is enabled.
HannesTschofenig 0:796d0f61a05b 205 *
HannesTschofenig 0:796d0f61a05b 206 * \param p_rng HMAC_DRBG context
HannesTschofenig 0:796d0f61a05b 207 * \param output Buffer to fill
HannesTschofenig 0:796d0f61a05b 208 * \param output_len Length of the buffer
HannesTschofenig 0:796d0f61a05b 209 * \param additional Additional data to update with (can be NULL)
HannesTschofenig 0:796d0f61a05b 210 * \param add_len Length of additional data (can be 0)
HannesTschofenig 0:796d0f61a05b 211 *
HannesTschofenig 0:796d0f61a05b 212 * \return 0 if successful, or
HannesTschofenig 0:796d0f61a05b 213 * POLARSSL_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED, or
HannesTschofenig 0:796d0f61a05b 214 * POLARSSL_ERR_HMAC_DRBG_REQUEST_TOO_BIG, or
HannesTschofenig 0:796d0f61a05b 215 * POLARSSL_ERR_HMAC_DRBG_INPUT_TOO_BIG.
HannesTschofenig 0:796d0f61a05b 216 */
HannesTschofenig 0:796d0f61a05b 217 int hmac_drbg_random_with_add( void *p_rng,
HannesTschofenig 0:796d0f61a05b 218 unsigned char *output, size_t output_len,
HannesTschofenig 0:796d0f61a05b 219 const unsigned char *additional,
HannesTschofenig 0:796d0f61a05b 220 size_t add_len );
HannesTschofenig 0:796d0f61a05b 221
HannesTschofenig 0:796d0f61a05b 222 /**
HannesTschofenig 0:796d0f61a05b 223 * \brief HMAC_DRBG generate random
HannesTschofenig 0:796d0f61a05b 224 *
HannesTschofenig 0:796d0f61a05b 225 * Note: Automatically reseeds if reseed_counter is reached or PR is enabled.
HannesTschofenig 0:796d0f61a05b 226 *
HannesTschofenig 0:796d0f61a05b 227 * \param p_rng HMAC_DRBG context
HannesTschofenig 0:796d0f61a05b 228 * \param output Buffer to fill
HannesTschofenig 0:796d0f61a05b 229 * \param out_len Length of the buffer
HannesTschofenig 0:796d0f61a05b 230 *
HannesTschofenig 0:796d0f61a05b 231 * \return 0 if successful, or
HannesTschofenig 0:796d0f61a05b 232 * POLARSSL_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED, or
HannesTschofenig 0:796d0f61a05b 233 * POLARSSL_ERR_HMAC_DRBG_REQUEST_TOO_BIG
HannesTschofenig 0:796d0f61a05b 234 */
HannesTschofenig 0:796d0f61a05b 235 int hmac_drbg_random( void *p_rng, unsigned char *output, size_t out_len );
HannesTschofenig 0:796d0f61a05b 236
HannesTschofenig 0:796d0f61a05b 237 /**
HannesTschofenig 0:796d0f61a05b 238 * \brief Free an HMAC_DRBG context
HannesTschofenig 0:796d0f61a05b 239 *
HannesTschofenig 0:796d0f61a05b 240 * \param ctx HMAC_DRBG context to free.
HannesTschofenig 0:796d0f61a05b 241 */
HannesTschofenig 0:796d0f61a05b 242 void hmac_drbg_free( hmac_drbg_context *ctx );
HannesTschofenig 0:796d0f61a05b 243
HannesTschofenig 0:796d0f61a05b 244 #if defined(POLARSSL_FS_IO)
HannesTschofenig 0:796d0f61a05b 245 /**
HannesTschofenig 0:796d0f61a05b 246 * \brief Write a seed file
HannesTschofenig 0:796d0f61a05b 247 *
HannesTschofenig 0:796d0f61a05b 248 * \param ctx HMAC_DRBG context
HannesTschofenig 0:796d0f61a05b 249 * \param path Name of the file
HannesTschofenig 0:796d0f61a05b 250 *
HannesTschofenig 0:796d0f61a05b 251 * \return 0 if successful, 1 on file error, or
HannesTschofenig 0:796d0f61a05b 252 * POLARSSL_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED
HannesTschofenig 0:796d0f61a05b 253 */
HannesTschofenig 0:796d0f61a05b 254 int hmac_drbg_write_seed_file( hmac_drbg_context *ctx, const char *path );
HannesTschofenig 0:796d0f61a05b 255
HannesTschofenig 0:796d0f61a05b 256 /**
HannesTschofenig 0:796d0f61a05b 257 * \brief Read and update a seed file. Seed is added to this
HannesTschofenig 0:796d0f61a05b 258 * instance
HannesTschofenig 0:796d0f61a05b 259 *
HannesTschofenig 0:796d0f61a05b 260 * \param ctx HMAC_DRBG context
HannesTschofenig 0:796d0f61a05b 261 * \param path Name of the file
HannesTschofenig 0:796d0f61a05b 262 *
HannesTschofenig 0:796d0f61a05b 263 * \return 0 if successful, 1 on file error,
HannesTschofenig 0:796d0f61a05b 264 * POLARSSL_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED or
HannesTschofenig 0:796d0f61a05b 265 * POLARSSL_ERR_HMAC_DRBG_INPUT_TOO_BIG
HannesTschofenig 0:796d0f61a05b 266 */
HannesTschofenig 0:796d0f61a05b 267 int hmac_drbg_update_seed_file( hmac_drbg_context *ctx, const char *path );
HannesTschofenig 0:796d0f61a05b 268 #endif /* POLARSSL_FS_IO */
HannesTschofenig 0:796d0f61a05b 269
HannesTschofenig 0:796d0f61a05b 270
HannesTschofenig 0:796d0f61a05b 271 #if defined(POLARSSL_SELF_TEST)
HannesTschofenig 0:796d0f61a05b 272 /**
HannesTschofenig 0:796d0f61a05b 273 * \brief Checkup routine
HannesTschofenig 0:796d0f61a05b 274 *
HannesTschofenig 0:796d0f61a05b 275 * \return 0 if successful, or 1 if the test failed
HannesTschofenig 0:796d0f61a05b 276 */
HannesTschofenig 0:796d0f61a05b 277 int hmac_drbg_self_test( int verbose );
HannesTschofenig 0:796d0f61a05b 278 #endif
HannesTschofenig 0:796d0f61a05b 279
HannesTschofenig 0:796d0f61a05b 280 #ifdef __cplusplus
HannesTschofenig 0:796d0f61a05b 281 }
HannesTschofenig 0:796d0f61a05b 282 #endif
HannesTschofenig 0:796d0f61a05b 283
HannesTschofenig 0:796d0f61a05b 284 #endif /* hmac_drbg.h */
HannesTschofenig 0:796d0f61a05b 285
HannesTschofenig 0:796d0f61a05b 286