Marco Zecchini / Mbed OS Example_RTOS

Rtos API example

mbed-os/features/mbedtls/src/platform.c@0:9fca2b23d0ba, 2019-02-23 (annotated)

Committer:
marcozecchini
Date:
Sat Feb 23 12:13:36 2019 +0000
Revision:
0:9fca2b23d0ba
final commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
marcozecchini 0:9fca2b23d0ba 1 /*
marcozecchini 0:9fca2b23d0ba 2 * Platform abstraction layer
marcozecchini 0:9fca2b23d0ba 3 *
marcozecchini 0:9fca2b23d0ba 4 * Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
marcozecchini 0:9fca2b23d0ba 5 * SPDX-License-Identifier: Apache-2.0
marcozecchini 0:9fca2b23d0ba 6 *
marcozecchini 0:9fca2b23d0ba 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
marcozecchini 0:9fca2b23d0ba 8 * not use this file except in compliance with the License.
marcozecchini 0:9fca2b23d0ba 9 * You may obtain a copy of the License at
marcozecchini 0:9fca2b23d0ba 10 *
marcozecchini 0:9fca2b23d0ba 11 * http://www.apache.org/licenses/LICENSE-2.0
marcozecchini 0:9fca2b23d0ba 12 *
marcozecchini 0:9fca2b23d0ba 13 * Unless required by applicable law or agreed to in writing, software
marcozecchini 0:9fca2b23d0ba 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
marcozecchini 0:9fca2b23d0ba 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
marcozecchini 0:9fca2b23d0ba 16 * See the License for the specific language governing permissions and
marcozecchini 0:9fca2b23d0ba 17 * limitations under the License.
marcozecchini 0:9fca2b23d0ba 18 *
marcozecchini 0:9fca2b23d0ba 19 * This file is part of mbed TLS (https://tls.mbed.org)
marcozecchini 0:9fca2b23d0ba 20 */
marcozecchini 0:9fca2b23d0ba 21
marcozecchini 0:9fca2b23d0ba 22 #if !defined(MBEDTLS_CONFIG_FILE)
marcozecchini 0:9fca2b23d0ba 23 #include "mbedtls/config.h"
marcozecchini 0:9fca2b23d0ba 24 #else
marcozecchini 0:9fca2b23d0ba 25 #include MBEDTLS_CONFIG_FILE
marcozecchini 0:9fca2b23d0ba 26 #endif
marcozecchini 0:9fca2b23d0ba 27
marcozecchini 0:9fca2b23d0ba 28 #if defined(MBEDTLS_PLATFORM_C)
marcozecchini 0:9fca2b23d0ba 29
marcozecchini 0:9fca2b23d0ba 30 #include "mbedtls/platform.h"
marcozecchini 0:9fca2b23d0ba 31
marcozecchini 0:9fca2b23d0ba 32 #if defined(MBEDTLS_PLATFORM_MEMORY)
marcozecchini 0:9fca2b23d0ba 33 #if !defined(MBEDTLS_PLATFORM_STD_CALLOC)
marcozecchini 0:9fca2b23d0ba 34 static void *platform_calloc_uninit( size_t n, size_t size )
marcozecchini 0:9fca2b23d0ba 35 {
marcozecchini 0:9fca2b23d0ba 36 ((void) n);
marcozecchini 0:9fca2b23d0ba 37 ((void) size);
marcozecchini 0:9fca2b23d0ba 38 return( NULL );
marcozecchini 0:9fca2b23d0ba 39 }
marcozecchini 0:9fca2b23d0ba 40
marcozecchini 0:9fca2b23d0ba 41 #define MBEDTLS_PLATFORM_STD_CALLOC platform_calloc_uninit
marcozecchini 0:9fca2b23d0ba 42 #endif /* !MBEDTLS_PLATFORM_STD_CALLOC */
marcozecchini 0:9fca2b23d0ba 43
marcozecchini 0:9fca2b23d0ba 44 #if !defined(MBEDTLS_PLATFORM_STD_FREE)
marcozecchini 0:9fca2b23d0ba 45 static void platform_free_uninit( void *ptr )
marcozecchini 0:9fca2b23d0ba 46 {
marcozecchini 0:9fca2b23d0ba 47 ((void) ptr);
marcozecchini 0:9fca2b23d0ba 48 }
marcozecchini 0:9fca2b23d0ba 49
marcozecchini 0:9fca2b23d0ba 50 #define MBEDTLS_PLATFORM_STD_FREE platform_free_uninit
marcozecchini 0:9fca2b23d0ba 51 #endif /* !MBEDTLS_PLATFORM_STD_FREE */
marcozecchini 0:9fca2b23d0ba 52
marcozecchini 0:9fca2b23d0ba 53 void * (*mbedtls_calloc)( size_t, size_t ) = MBEDTLS_PLATFORM_STD_CALLOC;
marcozecchini 0:9fca2b23d0ba 54 void (*mbedtls_free)( void * ) = MBEDTLS_PLATFORM_STD_FREE;
marcozecchini 0:9fca2b23d0ba 55
marcozecchini 0:9fca2b23d0ba 56 int mbedtls_platform_set_calloc_free( void * (*calloc_func)( size_t, size_t ),
marcozecchini 0:9fca2b23d0ba 57 void (*free_func)( void * ) )
marcozecchini 0:9fca2b23d0ba 58 {
marcozecchini 0:9fca2b23d0ba 59 mbedtls_calloc = calloc_func;
marcozecchini 0:9fca2b23d0ba 60 mbedtls_free = free_func;
marcozecchini 0:9fca2b23d0ba 61 return( 0 );
marcozecchini 0:9fca2b23d0ba 62 }
marcozecchini 0:9fca2b23d0ba 63 #endif /* MBEDTLS_PLATFORM_MEMORY */
marcozecchini 0:9fca2b23d0ba 64
marcozecchini 0:9fca2b23d0ba 65 #if defined(_WIN32)
marcozecchini 0:9fca2b23d0ba 66 #include <stdarg.h>
marcozecchini 0:9fca2b23d0ba 67 int mbedtls_platform_win32_snprintf( char *s, size_t n, const char *fmt, ... )
marcozecchini 0:9fca2b23d0ba 68 {
marcozecchini 0:9fca2b23d0ba 69 int ret;
marcozecchini 0:9fca2b23d0ba 70 va_list argp;
marcozecchini 0:9fca2b23d0ba 71
marcozecchini 0:9fca2b23d0ba 72 /* Avoid calling the invalid parameter handler by checking ourselves */
marcozecchini 0:9fca2b23d0ba 73 if( s == NULL || n == 0 || fmt == NULL )
marcozecchini 0:9fca2b23d0ba 74 return( -1 );
marcozecchini 0:9fca2b23d0ba 75
marcozecchini 0:9fca2b23d0ba 76 va_start( argp, fmt );
marcozecchini 0:9fca2b23d0ba 77 #if defined(_TRUNCATE)
marcozecchini 0:9fca2b23d0ba 78 ret = _vsnprintf_s( s, n, _TRUNCATE, fmt, argp );
marcozecchini 0:9fca2b23d0ba 79 #else
marcozecchini 0:9fca2b23d0ba 80 ret = _vsnprintf( s, n, fmt, argp );
marcozecchini 0:9fca2b23d0ba 81 if( ret < 0 || (size_t) ret == n )
marcozecchini 0:9fca2b23d0ba 82 {
marcozecchini 0:9fca2b23d0ba 83 s[n-1] = '\0';
marcozecchini 0:9fca2b23d0ba 84 ret = -1;
marcozecchini 0:9fca2b23d0ba 85 }
marcozecchini 0:9fca2b23d0ba 86 #endif
marcozecchini 0:9fca2b23d0ba 87 va_end( argp );
marcozecchini 0:9fca2b23d0ba 88
marcozecchini 0:9fca2b23d0ba 89 return( ret );
marcozecchini 0:9fca2b23d0ba 90 }
marcozecchini 0:9fca2b23d0ba 91 #endif
marcozecchini 0:9fca2b23d0ba 92
marcozecchini 0:9fca2b23d0ba 93 #if defined(MBEDTLS_PLATFORM_SNPRINTF_ALT)
marcozecchini 0:9fca2b23d0ba 94 #if !defined(MBEDTLS_PLATFORM_STD_SNPRINTF)
marcozecchini 0:9fca2b23d0ba 95 /*
marcozecchini 0:9fca2b23d0ba 96 * Make dummy function to prevent NULL pointer dereferences
marcozecchini 0:9fca2b23d0ba 97 */
marcozecchini 0:9fca2b23d0ba 98 static int platform_snprintf_uninit( char * s, size_t n,
marcozecchini 0:9fca2b23d0ba 99 const char * format, ... )
marcozecchini 0:9fca2b23d0ba 100 {
marcozecchini 0:9fca2b23d0ba 101 ((void) s);
marcozecchini 0:9fca2b23d0ba 102 ((void) n);
marcozecchini 0:9fca2b23d0ba 103 ((void) format);
marcozecchini 0:9fca2b23d0ba 104 return( 0 );
marcozecchini 0:9fca2b23d0ba 105 }
marcozecchini 0:9fca2b23d0ba 106
marcozecchini 0:9fca2b23d0ba 107 #define MBEDTLS_PLATFORM_STD_SNPRINTF platform_snprintf_uninit
marcozecchini 0:9fca2b23d0ba 108 #endif /* !MBEDTLS_PLATFORM_STD_SNPRINTF */
marcozecchini 0:9fca2b23d0ba 109
marcozecchini 0:9fca2b23d0ba 110 int (*mbedtls_snprintf)( char * s, size_t n,
marcozecchini 0:9fca2b23d0ba 111 const char * format,
marcozecchini 0:9fca2b23d0ba 112 ... ) = MBEDTLS_PLATFORM_STD_SNPRINTF;
marcozecchini 0:9fca2b23d0ba 113
marcozecchini 0:9fca2b23d0ba 114 int mbedtls_platform_set_snprintf( int (*snprintf_func)( char * s, size_t n,
marcozecchini 0:9fca2b23d0ba 115 const char * format,
marcozecchini 0:9fca2b23d0ba 116 ... ) )
marcozecchini 0:9fca2b23d0ba 117 {
marcozecchini 0:9fca2b23d0ba 118 mbedtls_snprintf = snprintf_func;
marcozecchini 0:9fca2b23d0ba 119 return( 0 );
marcozecchini 0:9fca2b23d0ba 120 }
marcozecchini 0:9fca2b23d0ba 121 #endif /* MBEDTLS_PLATFORM_SNPRINTF_ALT */
marcozecchini 0:9fca2b23d0ba 122
marcozecchini 0:9fca2b23d0ba 123 #if defined(MBEDTLS_PLATFORM_PRINTF_ALT)
marcozecchini 0:9fca2b23d0ba 124 #if !defined(MBEDTLS_PLATFORM_STD_PRINTF)
marcozecchini 0:9fca2b23d0ba 125 /*
marcozecchini 0:9fca2b23d0ba 126 * Make dummy function to prevent NULL pointer dereferences
marcozecchini 0:9fca2b23d0ba 127 */
marcozecchini 0:9fca2b23d0ba 128 static int platform_printf_uninit( const char *format, ... )
marcozecchini 0:9fca2b23d0ba 129 {
marcozecchini 0:9fca2b23d0ba 130 ((void) format);
marcozecchini 0:9fca2b23d0ba 131 return( 0 );
marcozecchini 0:9fca2b23d0ba 132 }
marcozecchini 0:9fca2b23d0ba 133
marcozecchini 0:9fca2b23d0ba 134 #define MBEDTLS_PLATFORM_STD_PRINTF platform_printf_uninit
marcozecchini 0:9fca2b23d0ba 135 #endif /* !MBEDTLS_PLATFORM_STD_PRINTF */
marcozecchini 0:9fca2b23d0ba 136
marcozecchini 0:9fca2b23d0ba 137 int (*mbedtls_printf)( const char *, ... ) = MBEDTLS_PLATFORM_STD_PRINTF;
marcozecchini 0:9fca2b23d0ba 138
marcozecchini 0:9fca2b23d0ba 139 int mbedtls_platform_set_printf( int (*printf_func)( const char *, ... ) )
marcozecchini 0:9fca2b23d0ba 140 {
marcozecchini 0:9fca2b23d0ba 141 mbedtls_printf = printf_func;
marcozecchini 0:9fca2b23d0ba 142 return( 0 );
marcozecchini 0:9fca2b23d0ba 143 }
marcozecchini 0:9fca2b23d0ba 144 #endif /* MBEDTLS_PLATFORM_PRINTF_ALT */
marcozecchini 0:9fca2b23d0ba 145
marcozecchini 0:9fca2b23d0ba 146 #if defined(MBEDTLS_PLATFORM_FPRINTF_ALT)
marcozecchini 0:9fca2b23d0ba 147 #if !defined(MBEDTLS_PLATFORM_STD_FPRINTF)
marcozecchini 0:9fca2b23d0ba 148 /*
marcozecchini 0:9fca2b23d0ba 149 * Make dummy function to prevent NULL pointer dereferences
marcozecchini 0:9fca2b23d0ba 150 */
marcozecchini 0:9fca2b23d0ba 151 static int platform_fprintf_uninit( FILE *stream, const char *format, ... )
marcozecchini 0:9fca2b23d0ba 152 {
marcozecchini 0:9fca2b23d0ba 153 ((void) stream);
marcozecchini 0:9fca2b23d0ba 154 ((void) format);
marcozecchini 0:9fca2b23d0ba 155 return( 0 );
marcozecchini 0:9fca2b23d0ba 156 }
marcozecchini 0:9fca2b23d0ba 157
marcozecchini 0:9fca2b23d0ba 158 #define MBEDTLS_PLATFORM_STD_FPRINTF platform_fprintf_uninit
marcozecchini 0:9fca2b23d0ba 159 #endif /* !MBEDTLS_PLATFORM_STD_FPRINTF */
marcozecchini 0:9fca2b23d0ba 160
marcozecchini 0:9fca2b23d0ba 161 int (*mbedtls_fprintf)( FILE *, const char *, ... ) =
marcozecchini 0:9fca2b23d0ba 162 MBEDTLS_PLATFORM_STD_FPRINTF;
marcozecchini 0:9fca2b23d0ba 163
marcozecchini 0:9fca2b23d0ba 164 int mbedtls_platform_set_fprintf( int (*fprintf_func)( FILE *, const char *, ... ) )
marcozecchini 0:9fca2b23d0ba 165 {
marcozecchini 0:9fca2b23d0ba 166 mbedtls_fprintf = fprintf_func;
marcozecchini 0:9fca2b23d0ba 167 return( 0 );
marcozecchini 0:9fca2b23d0ba 168 }
marcozecchini 0:9fca2b23d0ba 169 #endif /* MBEDTLS_PLATFORM_FPRINTF_ALT */
marcozecchini 0:9fca2b23d0ba 170
marcozecchini 0:9fca2b23d0ba 171 #if defined(MBEDTLS_PLATFORM_EXIT_ALT)
marcozecchini 0:9fca2b23d0ba 172 #if !defined(MBEDTLS_PLATFORM_STD_EXIT)
marcozecchini 0:9fca2b23d0ba 173 /*
marcozecchini 0:9fca2b23d0ba 174 * Make dummy function to prevent NULL pointer dereferences
marcozecchini 0:9fca2b23d0ba 175 */
marcozecchini 0:9fca2b23d0ba 176 static void platform_exit_uninit( int status )
marcozecchini 0:9fca2b23d0ba 177 {
marcozecchini 0:9fca2b23d0ba 178 ((void) status);
marcozecchini 0:9fca2b23d0ba 179 }
marcozecchini 0:9fca2b23d0ba 180
marcozecchini 0:9fca2b23d0ba 181 #define MBEDTLS_PLATFORM_STD_EXIT platform_exit_uninit
marcozecchini 0:9fca2b23d0ba 182 #endif /* !MBEDTLS_PLATFORM_STD_EXIT */
marcozecchini 0:9fca2b23d0ba 183
marcozecchini 0:9fca2b23d0ba 184 void (*mbedtls_exit)( int status ) = MBEDTLS_PLATFORM_STD_EXIT;
marcozecchini 0:9fca2b23d0ba 185
marcozecchini 0:9fca2b23d0ba 186 int mbedtls_platform_set_exit( void (*exit_func)( int status ) )
marcozecchini 0:9fca2b23d0ba 187 {
marcozecchini 0:9fca2b23d0ba 188 mbedtls_exit = exit_func;
marcozecchini 0:9fca2b23d0ba 189 return( 0 );
marcozecchini 0:9fca2b23d0ba 190 }
marcozecchini 0:9fca2b23d0ba 191 #endif /* MBEDTLS_PLATFORM_EXIT_ALT */
marcozecchini 0:9fca2b23d0ba 192
marcozecchini 0:9fca2b23d0ba 193 #if defined(MBEDTLS_HAVE_TIME)
marcozecchini 0:9fca2b23d0ba 194
marcozecchini 0:9fca2b23d0ba 195 #if defined(MBEDTLS_PLATFORM_TIME_ALT)
marcozecchini 0:9fca2b23d0ba 196 #if !defined(MBEDTLS_PLATFORM_STD_TIME)
marcozecchini 0:9fca2b23d0ba 197 /*
marcozecchini 0:9fca2b23d0ba 198 * Make dummy function to prevent NULL pointer dereferences
marcozecchini 0:9fca2b23d0ba 199 */
marcozecchini 0:9fca2b23d0ba 200 static mbedtls_time_t platform_time_uninit( mbedtls_time_t* timer )
marcozecchini 0:9fca2b23d0ba 201 {
marcozecchini 0:9fca2b23d0ba 202 ((void) timer);
marcozecchini 0:9fca2b23d0ba 203 return( 0 );
marcozecchini 0:9fca2b23d0ba 204 }
marcozecchini 0:9fca2b23d0ba 205
marcozecchini 0:9fca2b23d0ba 206 #define MBEDTLS_PLATFORM_STD_TIME platform_time_uninit
marcozecchini 0:9fca2b23d0ba 207 #endif /* !MBEDTLS_PLATFORM_STD_TIME */
marcozecchini 0:9fca2b23d0ba 208
marcozecchini 0:9fca2b23d0ba 209 mbedtls_time_t (*mbedtls_time)( mbedtls_time_t* timer ) = MBEDTLS_PLATFORM_STD_TIME;
marcozecchini 0:9fca2b23d0ba 210
marcozecchini 0:9fca2b23d0ba 211 int mbedtls_platform_set_time( mbedtls_time_t (*time_func)( mbedtls_time_t* timer ) )
marcozecchini 0:9fca2b23d0ba 212 {
marcozecchini 0:9fca2b23d0ba 213 mbedtls_time = time_func;
marcozecchini 0:9fca2b23d0ba 214 return( 0 );
marcozecchini 0:9fca2b23d0ba 215 }
marcozecchini 0:9fca2b23d0ba 216 #endif /* MBEDTLS_PLATFORM_TIME_ALT */
marcozecchini 0:9fca2b23d0ba 217
marcozecchini 0:9fca2b23d0ba 218 #endif /* MBEDTLS_HAVE_TIME */
marcozecchini 0:9fca2b23d0ba 219
marcozecchini 0:9fca2b23d0ba 220 #if defined(MBEDTLS_ENTROPY_NV_SEED)
marcozecchini 0:9fca2b23d0ba 221 #if !defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS) && defined(MBEDTLS_FS_IO)
marcozecchini 0:9fca2b23d0ba 222 /* Default implementations for the platform independent seed functions use
marcozecchini 0:9fca2b23d0ba 223 * standard libc file functions to read from and write to a pre-defined filename
marcozecchini 0:9fca2b23d0ba 224 */
marcozecchini 0:9fca2b23d0ba 225 int mbedtls_platform_std_nv_seed_read( unsigned char *buf, size_t buf_len )
marcozecchini 0:9fca2b23d0ba 226 {
marcozecchini 0:9fca2b23d0ba 227 FILE *file;
marcozecchini 0:9fca2b23d0ba 228 size_t n;
marcozecchini 0:9fca2b23d0ba 229
marcozecchini 0:9fca2b23d0ba 230 if( ( file = fopen( MBEDTLS_PLATFORM_STD_NV_SEED_FILE, "rb" ) ) == NULL )
marcozecchini 0:9fca2b23d0ba 231 return -1;
marcozecchini 0:9fca2b23d0ba 232
marcozecchini 0:9fca2b23d0ba 233 if( ( n = fread( buf, 1, buf_len, file ) ) != buf_len )
marcozecchini 0:9fca2b23d0ba 234 {
marcozecchini 0:9fca2b23d0ba 235 fclose( file );
marcozecchini 0:9fca2b23d0ba 236 return -1;
marcozecchini 0:9fca2b23d0ba 237 }
marcozecchini 0:9fca2b23d0ba 238
marcozecchini 0:9fca2b23d0ba 239 fclose( file );
marcozecchini 0:9fca2b23d0ba 240 return( (int)n );
marcozecchini 0:9fca2b23d0ba 241 }
marcozecchini 0:9fca2b23d0ba 242
marcozecchini 0:9fca2b23d0ba 243 int mbedtls_platform_std_nv_seed_write( unsigned char *buf, size_t buf_len )
marcozecchini 0:9fca2b23d0ba 244 {
marcozecchini 0:9fca2b23d0ba 245 FILE *file;
marcozecchini 0:9fca2b23d0ba 246 size_t n;
marcozecchini 0:9fca2b23d0ba 247
marcozecchini 0:9fca2b23d0ba 248 if( ( file = fopen( MBEDTLS_PLATFORM_STD_NV_SEED_FILE, "w" ) ) == NULL )
marcozecchini 0:9fca2b23d0ba 249 return -1;
marcozecchini 0:9fca2b23d0ba 250
marcozecchini 0:9fca2b23d0ba 251 if( ( n = fwrite( buf, 1, buf_len, file ) ) != buf_len )
marcozecchini 0:9fca2b23d0ba 252 {
marcozecchini 0:9fca2b23d0ba 253 fclose( file );
marcozecchini 0:9fca2b23d0ba 254 return -1;
marcozecchini 0:9fca2b23d0ba 255 }
marcozecchini 0:9fca2b23d0ba 256
marcozecchini 0:9fca2b23d0ba 257 fclose( file );
marcozecchini 0:9fca2b23d0ba 258 return( (int)n );
marcozecchini 0:9fca2b23d0ba 259 }
marcozecchini 0:9fca2b23d0ba 260 #endif /* MBEDTLS_PLATFORM_NO_STD_FUNCTIONS */
marcozecchini 0:9fca2b23d0ba 261
marcozecchini 0:9fca2b23d0ba 262 #if defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
marcozecchini 0:9fca2b23d0ba 263 #if !defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ)
marcozecchini 0:9fca2b23d0ba 264 /*
marcozecchini 0:9fca2b23d0ba 265 * Make dummy function to prevent NULL pointer dereferences
marcozecchini 0:9fca2b23d0ba 266 */
marcozecchini 0:9fca2b23d0ba 267 static int platform_nv_seed_read_uninit( unsigned char *buf, size_t buf_len )
marcozecchini 0:9fca2b23d0ba 268 {
marcozecchini 0:9fca2b23d0ba 269 ((void) buf);
marcozecchini 0:9fca2b23d0ba 270 ((void) buf_len);
marcozecchini 0:9fca2b23d0ba 271 return( -1 );
marcozecchini 0:9fca2b23d0ba 272 }
marcozecchini 0:9fca2b23d0ba 273
marcozecchini 0:9fca2b23d0ba 274 #define MBEDTLS_PLATFORM_STD_NV_SEED_READ platform_nv_seed_read_uninit
marcozecchini 0:9fca2b23d0ba 275 #endif /* !MBEDTLS_PLATFORM_STD_NV_SEED_READ */
marcozecchini 0:9fca2b23d0ba 276
marcozecchini 0:9fca2b23d0ba 277 #if !defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE)
marcozecchini 0:9fca2b23d0ba 278 /*
marcozecchini 0:9fca2b23d0ba 279 * Make dummy function to prevent NULL pointer dereferences
marcozecchini 0:9fca2b23d0ba 280 */
marcozecchini 0:9fca2b23d0ba 281 static int platform_nv_seed_write_uninit( unsigned char *buf, size_t buf_len )
marcozecchini 0:9fca2b23d0ba 282 {
marcozecchini 0:9fca2b23d0ba 283 ((void) buf);
marcozecchini 0:9fca2b23d0ba 284 ((void) buf_len);
marcozecchini 0:9fca2b23d0ba 285 return( -1 );
marcozecchini 0:9fca2b23d0ba 286 }
marcozecchini 0:9fca2b23d0ba 287
marcozecchini 0:9fca2b23d0ba 288 #define MBEDTLS_PLATFORM_STD_NV_SEED_WRITE platform_nv_seed_write_uninit
marcozecchini 0:9fca2b23d0ba 289 #endif /* !MBEDTLS_PLATFORM_STD_NV_SEED_WRITE */
marcozecchini 0:9fca2b23d0ba 290
marcozecchini 0:9fca2b23d0ba 291 int (*mbedtls_nv_seed_read)( unsigned char *buf, size_t buf_len ) =
marcozecchini 0:9fca2b23d0ba 292 MBEDTLS_PLATFORM_STD_NV_SEED_READ;
marcozecchini 0:9fca2b23d0ba 293 int (*mbedtls_nv_seed_write)( unsigned char *buf, size_t buf_len ) =
marcozecchini 0:9fca2b23d0ba 294 MBEDTLS_PLATFORM_STD_NV_SEED_WRITE;
marcozecchini 0:9fca2b23d0ba 295
marcozecchini 0:9fca2b23d0ba 296 int mbedtls_platform_set_nv_seed(
marcozecchini 0:9fca2b23d0ba 297 int (*nv_seed_read_func)( unsigned char *buf, size_t buf_len ),
marcozecchini 0:9fca2b23d0ba 298 int (*nv_seed_write_func)( unsigned char *buf, size_t buf_len ) )
marcozecchini 0:9fca2b23d0ba 299 {
marcozecchini 0:9fca2b23d0ba 300 mbedtls_nv_seed_read = nv_seed_read_func;
marcozecchini 0:9fca2b23d0ba 301 mbedtls_nv_seed_write = nv_seed_write_func;
marcozecchini 0:9fca2b23d0ba 302 return( 0 );
marcozecchini 0:9fca2b23d0ba 303 }
marcozecchini 0:9fca2b23d0ba 304 #endif /* MBEDTLS_PLATFORM_NV_SEED_ALT */
marcozecchini 0:9fca2b23d0ba 305 #endif /* MBEDTLS_ENTROPY_NV_SEED */
marcozecchini 0:9fca2b23d0ba 306
marcozecchini 0:9fca2b23d0ba 307 #if !defined(MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT)
marcozecchini 0:9fca2b23d0ba 308 /*
marcozecchini 0:9fca2b23d0ba 309 * Placeholder platform setup that does nothing by default
marcozecchini 0:9fca2b23d0ba 310 */
marcozecchini 0:9fca2b23d0ba 311 int mbedtls_platform_setup( mbedtls_platform_context *ctx )
marcozecchini 0:9fca2b23d0ba 312 {
marcozecchini 0:9fca2b23d0ba 313 (void)ctx;
marcozecchini 0:9fca2b23d0ba 314
marcozecchini 0:9fca2b23d0ba 315 return( 0 );
marcozecchini 0:9fca2b23d0ba 316 }
marcozecchini 0:9fca2b23d0ba 317
marcozecchini 0:9fca2b23d0ba 318 /*
marcozecchini 0:9fca2b23d0ba 319 * Placeholder platform teardown that does nothing by default
marcozecchini 0:9fca2b23d0ba 320 */
marcozecchini 0:9fca2b23d0ba 321 void mbedtls_platform_teardown( mbedtls_platform_context *ctx )
marcozecchini 0:9fca2b23d0ba 322 {
marcozecchini 0:9fca2b23d0ba 323 (void)ctx;
marcozecchini 0:9fca2b23d0ba 324 }
marcozecchini 0:9fca2b23d0ba 325 #endif /* MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT */
marcozecchini 0:9fca2b23d0ba 326
marcozecchini 0:9fca2b23d0ba 327 #endif /* MBEDTLS_PLATFORM_C */