1 /**
2  * \file check_config.h
3  *
4  * \brief Consistency checks for configuration options
5  *
6  *  Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
7  *  SPDX-License-Identifier: GPL-2.0
8  *
9  *  This program is free software; you can redistribute it and/or modify
10  *  it under the terms of the GNU General Public License as published by
11  *  the Free Software Foundation; either version 2 of the License, or
12  *  (at your option) any later version.
13  *
14  *  This program is distributed in the hope that it will be useful,
15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  *  GNU General Public License for more details.
18  *
19  *  You should have received a copy of the GNU General Public License along
20  *  with this program; if not, write to the Free Software Foundation, Inc.,
21  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22  *
23  *  This file is part of mbed TLS (https://tls.mbed.org)
24  */
25 
26 /*
27  * It is recommended to include this file from your config.h
28  * in order to catch dependency issues early.
29  */
30 
31 #ifndef MBEDTLS_CHECK_CONFIG_H
32 #define MBEDTLS_CHECK_CONFIG_H
33 
34 /*
35  * We assume CHAR_BIT is 8 in many places. In practice, this is true on our
36  * target platforms, so not an issue, but let's just be extra sure.
37  */
38 #include <limits.h>
39 #if CHAR_BIT != 8
40 #error "mbed TLS requires a platform with 8-bit chars"
41 #endif
42 
43 #if defined(_WIN32)
44 #if !defined(MBEDTLS_PLATFORM_C)
45 #error "MBEDTLS_PLATFORM_C is required on Windows"
46 #endif
47 
48 /* Fix the config here. Not convenient to put an #ifdef _WIN32 in config.h as
49  * it would confuse config.pl. */
50 #if !defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) && \
51     !defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO)
52 #define MBEDTLS_PLATFORM_SNPRINTF_ALT
53 #endif
54 #endif /* _WIN32 */
55 
56 #if defined(TARGET_LIKE_MBED) && \
57     ( defined(MBEDTLS_NET_C) || defined(MBEDTLS_TIMING_C) )
58 #error "The NET and TIMING modules are not available for mbed OS - please use the network and timing functions provided by mbed OS"
59 #endif
60 
61 #if defined(MBEDTLS_DEPRECATED_WARNING) && \
62     !defined(__GNUC__) && !defined(__clang__)
63 #error "MBEDTLS_DEPRECATED_WARNING only works with GCC and Clang"
64 #endif
65 
66 #if defined(MBEDTLS_HAVE_TIME_DATE) && !defined(MBEDTLS_HAVE_TIME)
67 #error "MBEDTLS_HAVE_TIME_DATE without MBEDTLS_HAVE_TIME does not make sense"
68 #endif
69 
70 #if defined(MBEDTLS_AESNI_C) && !defined(MBEDTLS_HAVE_ASM)
71 #error "MBEDTLS_AESNI_C defined, but not all prerequisites"
72 #endif
73 
74 #if defined(MBEDTLS_CTR_DRBG_C) && !defined(MBEDTLS_AES_C)
75 #error "MBEDTLS_CTR_DRBG_C defined, but not all prerequisites"
76 #endif
77 
78 #if defined(MBEDTLS_DHM_C) && !defined(MBEDTLS_BIGNUM_C)
79 #error "MBEDTLS_DHM_C defined, but not all prerequisites"
80 #endif
81 
82 #if defined(MBEDTLS_CMAC_C) && \
83     !defined(MBEDTLS_AES_C) && !defined(MBEDTLS_DES_C)
84 #error "MBEDTLS_CMAC_C defined, but not all prerequisites"
85 #endif
86 
87 #if defined(MBEDTLS_ECDH_C) && !defined(MBEDTLS_ECP_C)
88 #error "MBEDTLS_ECDH_C defined, but not all prerequisites"
89 #endif
90 
91 #if defined(MBEDTLS_ECDSA_C) &&            \
92     ( !defined(MBEDTLS_ECP_C) ||           \
93       !defined(MBEDTLS_ASN1_PARSE_C) ||    \
94       !defined(MBEDTLS_ASN1_WRITE_C) )
95 #error "MBEDTLS_ECDSA_C defined, but not all prerequisites"
96 #endif
97 
98 #if defined(MBEDTLS_ECJPAKE_C) &&           \
99     ( !defined(MBEDTLS_ECP_C) || !defined(MBEDTLS_MD_C) )
100 #error "MBEDTLS_ECJPAKE_C defined, but not all prerequisites"
101 #endif
102 
103 #if defined(MBEDTLS_ECDSA_DETERMINISTIC) && !defined(MBEDTLS_HMAC_DRBG_C)
104 #error "MBEDTLS_ECDSA_DETERMINISTIC defined, but not all prerequisites"
105 #endif
106 
107 #if defined(MBEDTLS_ECP_C) && ( !defined(MBEDTLS_BIGNUM_C) || (   \
108     !defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED) &&                  \
109     !defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED) &&                  \
110     !defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) &&                  \
111     !defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED) &&                  \
112     !defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED) &&                  \
113     !defined(MBEDTLS_ECP_DP_BP256R1_ENABLED)   &&                  \
114     !defined(MBEDTLS_ECP_DP_BP384R1_ENABLED)   &&                  \
115     !defined(MBEDTLS_ECP_DP_BP512R1_ENABLED)   &&                  \
116     !defined(MBEDTLS_ECP_DP_SECP192K1_ENABLED) &&                  \
117     !defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED) &&                  \
118     !defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED) ) )
119 #error "MBEDTLS_ECP_C defined, but not all prerequisites"
120 #endif
121 
122 #if defined(MBEDTLS_ENTROPY_C) && (!defined(MBEDTLS_SHA512_C) &&      \
123                                     !defined(MBEDTLS_SHA256_C))
124 #error "MBEDTLS_ENTROPY_C defined, but not all prerequisites"
125 #endif
126 #if defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_SHA512_C) &&         \
127     defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 64)
128 #error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
129 #endif
130 #if defined(MBEDTLS_ENTROPY_C) &&                                            \
131     ( !defined(MBEDTLS_SHA512_C) || defined(MBEDTLS_ENTROPY_FORCE_SHA256) ) \
132     && defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 32)
133 #error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
134 #endif
135 #if defined(MBEDTLS_ENTROPY_C) && \
136     defined(MBEDTLS_ENTROPY_FORCE_SHA256) && !defined(MBEDTLS_SHA256_C)
137 #error "MBEDTLS_ENTROPY_FORCE_SHA256 defined, but not all prerequisites"
138 #endif
139 
140 #if defined(MBEDTLS_TEST_NULL_ENTROPY) && \
141     ( !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES) )
142 #error "MBEDTLS_TEST_NULL_ENTROPY defined, but not all prerequisites"
143 #endif
144 #if defined(MBEDTLS_TEST_NULL_ENTROPY) && \
145      ( defined(MBEDTLS_ENTROPY_NV_SEED) || defined(MBEDTLS_ENTROPY_HARDWARE_ALT) || \
146     defined(MBEDTLS_HAVEGE_C) )
147 #error "MBEDTLS_TEST_NULL_ENTROPY defined, but entropy sources too"
148 #endif
149 
150 #if defined(MBEDTLS_GCM_C) && (                                        \
151         !defined(MBEDTLS_AES_C) && !defined(MBEDTLS_CAMELLIA_C) )
152 #error "MBEDTLS_GCM_C defined, but not all prerequisites"
153 #endif
154 
155 #if defined(MBEDTLS_ECP_RANDOMIZE_JAC_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
156 #error "MBEDTLS_ECP_RANDOMIZE_JAC_ALT defined, but not all prerequisites"
157 #endif
158 
159 #if defined(MBEDTLS_ECP_ADD_MIXED_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
160 #error "MBEDTLS_ECP_ADD_MIXED_ALT defined, but not all prerequisites"
161 #endif
162 
163 #if defined(MBEDTLS_ECP_DOUBLE_JAC_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
164 #error "MBEDTLS_ECP_DOUBLE_JAC_ALT defined, but not all prerequisites"
165 #endif
166 
167 #if defined(MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
168 #error "MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT defined, but not all prerequisites"
169 #endif
170 
171 #if defined(MBEDTLS_ECP_NORMALIZE_JAC_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
172 #error "MBEDTLS_ECP_NORMALIZE_JAC_ALT defined, but not all prerequisites"
173 #endif
174 
175 #if defined(MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
176 #error "MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT defined, but not all prerequisites"
177 #endif
178 
179 #if defined(MBEDTLS_ECP_RANDOMIZE_MXZ_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
180 #error "MBEDTLS_ECP_RANDOMIZE_MXZ_ALT defined, but not all prerequisites"
181 #endif
182 
183 #if defined(MBEDTLS_ECP_NORMALIZE_MXZ_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
184 #error "MBEDTLS_ECP_NORMALIZE_MXZ_ALT defined, but not all prerequisites"
185 #endif
186 
187 #if defined(MBEDTLS_HAVEGE_C) && !defined(MBEDTLS_TIMING_C)
188 #error "MBEDTLS_HAVEGE_C defined, but not all prerequisites"
189 #endif
190 
191 #if defined(MBEDTLS_HMAC_DRBG_C) && !defined(MBEDTLS_MD_C)
192 #error "MBEDTLS_HMAC_DRBG_C defined, but not all prerequisites"
193 #endif
194 
195 #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) &&                 \
196     ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) )
197 #error "MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED defined, but not all prerequisites"
198 #endif
199 
200 #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) &&                 \
201     ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) )
202 #error "MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED defined, but not all prerequisites"
203 #endif
204 
205 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED) && !defined(MBEDTLS_DHM_C)
206 #error "MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED defined, but not all prerequisites"
207 #endif
208 
209 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) &&                     \
210     !defined(MBEDTLS_ECDH_C)
211 #error "MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED defined, but not all prerequisites"
212 #endif
213 
214 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) &&                   \
215     ( !defined(MBEDTLS_DHM_C) || !defined(MBEDTLS_RSA_C) ||           \
216       !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
217 #error "MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED defined, but not all prerequisites"
218 #endif
219 
220 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) &&                 \
221     ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_RSA_C) ||          \
222       !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
223 #error "MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED defined, but not all prerequisites"
224 #endif
225 
226 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) &&                 \
227     ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_ECDSA_C) ||          \
228       !defined(MBEDTLS_X509_CRT_PARSE_C) )
229 #error "MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED defined, but not all prerequisites"
230 #endif
231 
232 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED) &&                   \
233     ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
234       !defined(MBEDTLS_PKCS1_V15) )
235 #error "MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED defined, but not all prerequisites"
236 #endif
237 
238 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) &&                       \
239     ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
240       !defined(MBEDTLS_PKCS1_V15) )
241 #error "MBEDTLS_KEY_EXCHANGE_RSA_ENABLED defined, but not all prerequisites"
242 #endif
243 
244 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) &&                    \
245     ( !defined(MBEDTLS_ECJPAKE_C) || !defined(MBEDTLS_SHA256_C) ||      \
246       !defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) )
247 #error "MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED defined, but not all prerequisites"
248 #endif
249 
250 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) &&                          \
251     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
252 #error "MBEDTLS_MEMORY_BUFFER_ALLOC_C defined, but not all prerequisites"
253 #endif
254 
255 #if defined(MBEDTLS_PADLOCK_C) && !defined(MBEDTLS_HAVE_ASM)
256 #error "MBEDTLS_PADLOCK_C defined, but not all prerequisites"
257 #endif
258 
259 #if defined(MBEDTLS_PEM_PARSE_C) && !defined(MBEDTLS_BASE64_C)
260 #error "MBEDTLS_PEM_PARSE_C defined, but not all prerequisites"
261 #endif
262 
263 #if defined(MBEDTLS_PEM_WRITE_C) && !defined(MBEDTLS_BASE64_C)
264 #error "MBEDTLS_PEM_WRITE_C defined, but not all prerequisites"
265 #endif
266 
267 #if defined(MBEDTLS_PK_C) && \
268     ( !defined(MBEDTLS_RSA_C) && !defined(MBEDTLS_ECP_C) )
269 #error "MBEDTLS_PK_C defined, but not all prerequisites"
270 #endif
271 
272 #if defined(MBEDTLS_PK_PARSE_C) && !defined(MBEDTLS_PK_C)
273 #error "MBEDTLS_PK_PARSE_C defined, but not all prerequisites"
274 #endif
275 
276 #if defined(MBEDTLS_PK_WRITE_C) && !defined(MBEDTLS_PK_C)
277 #error "MBEDTLS_PK_WRITE_C defined, but not all prerequisites"
278 #endif
279 
280 #if defined(MBEDTLS_PKCS11_C) && !defined(MBEDTLS_PK_C)
281 #error "MBEDTLS_PKCS11_C defined, but not all prerequisites"
282 #endif
283 
284 #if defined(MBEDTLS_PLATFORM_EXIT_ALT) && !defined(MBEDTLS_PLATFORM_C)
285 #error "MBEDTLS_PLATFORM_EXIT_ALT defined, but not all prerequisites"
286 #endif
287 
288 #if defined(MBEDTLS_PLATFORM_EXIT_MACRO) && !defined(MBEDTLS_PLATFORM_C)
289 #error "MBEDTLS_PLATFORM_EXIT_MACRO defined, but not all prerequisites"
290 #endif
291 
292 #if defined(MBEDTLS_PLATFORM_EXIT_MACRO) &&\
293     ( defined(MBEDTLS_PLATFORM_STD_EXIT) ||\
294         defined(MBEDTLS_PLATFORM_EXIT_ALT) )
295 #error "MBEDTLS_PLATFORM_EXIT_MACRO and MBEDTLS_PLATFORM_STD_EXIT/MBEDTLS_PLATFORM_EXIT_ALT cannot be defined simultaneously"
296 #endif
297 
298 #if defined(MBEDTLS_PLATFORM_TIME_ALT) &&\
299     ( !defined(MBEDTLS_PLATFORM_C) ||\
300         !defined(MBEDTLS_HAVE_TIME) )
301 #error "MBEDTLS_PLATFORM_TIME_ALT defined, but not all prerequisites"
302 #endif
303 
304 #if defined(MBEDTLS_PLATFORM_TIME_MACRO) &&\
305     ( !defined(MBEDTLS_PLATFORM_C) ||\
306         !defined(MBEDTLS_HAVE_TIME) )
307 #error "MBEDTLS_PLATFORM_TIME_MACRO defined, but not all prerequisites"
308 #endif
309 
310 #if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO) &&\
311     ( !defined(MBEDTLS_PLATFORM_C) ||\
312         !defined(MBEDTLS_HAVE_TIME) )
313 #error "MBEDTLS_PLATFORM_TIME_TYPE_MACRO defined, but not all prerequisites"
314 #endif
315 
316 #if defined(MBEDTLS_PLATFORM_TIME_MACRO) &&\
317     ( defined(MBEDTLS_PLATFORM_STD_TIME) ||\
318         defined(MBEDTLS_PLATFORM_TIME_ALT) )
319 #error "MBEDTLS_PLATFORM_TIME_MACRO and MBEDTLS_PLATFORM_STD_TIME/MBEDTLS_PLATFORM_TIME_ALT cannot be defined simultaneously"
320 #endif
321 
322 #if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO) &&\
323     ( defined(MBEDTLS_PLATFORM_STD_TIME) ||\
324         defined(MBEDTLS_PLATFORM_TIME_ALT) )
325 #error "MBEDTLS_PLATFORM_TIME_TYPE_MACRO and MBEDTLS_PLATFORM_STD_TIME/MBEDTLS_PLATFORM_TIME_ALT cannot be defined simultaneously"
326 #endif
327 
328 #if defined(MBEDTLS_PLATFORM_FPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
329 #error "MBEDTLS_PLATFORM_FPRINTF_ALT defined, but not all prerequisites"
330 #endif
331 
332 #if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
333 #error "MBEDTLS_PLATFORM_FPRINTF_MACRO defined, but not all prerequisites"
334 #endif
335 
336 #if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) &&\
337     ( defined(MBEDTLS_PLATFORM_STD_FPRINTF) ||\
338         defined(MBEDTLS_PLATFORM_FPRINTF_ALT) )
339 #error "MBEDTLS_PLATFORM_FPRINTF_MACRO and MBEDTLS_PLATFORM_STD_FPRINTF/MBEDTLS_PLATFORM_FPRINTF_ALT cannot be defined simultaneously"
340 #endif
341 
342 #if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
343     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
344 #error "MBEDTLS_PLATFORM_FREE_MACRO defined, but not all prerequisites"
345 #endif
346 
347 #if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
348     defined(MBEDTLS_PLATFORM_STD_FREE)
349 #error "MBEDTLS_PLATFORM_FREE_MACRO and MBEDTLS_PLATFORM_STD_FREE cannot be defined simultaneously"
350 #endif
351 
352 #if defined(MBEDTLS_PLATFORM_FREE_MACRO) && !defined(MBEDTLS_PLATFORM_CALLOC_MACRO)
353 #error "MBEDTLS_PLATFORM_CALLOC_MACRO must be defined if MBEDTLS_PLATFORM_FREE_MACRO is"
354 #endif
355 
356 #if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
357     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
358 #error "MBEDTLS_PLATFORM_CALLOC_MACRO defined, but not all prerequisites"
359 #endif
360 
361 #if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
362     defined(MBEDTLS_PLATFORM_STD_CALLOC)
363 #error "MBEDTLS_PLATFORM_CALLOC_MACRO and MBEDTLS_PLATFORM_STD_CALLOC cannot be defined simultaneously"
364 #endif
365 
366 #if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) && !defined(MBEDTLS_PLATFORM_FREE_MACRO)
367 #error "MBEDTLS_PLATFORM_FREE_MACRO must be defined if MBEDTLS_PLATFORM_CALLOC_MACRO is"
368 #endif
369 
370 #if defined(MBEDTLS_PLATFORM_MEMORY) && !defined(MBEDTLS_PLATFORM_C)
371 #error "MBEDTLS_PLATFORM_MEMORY defined, but not all prerequisites"
372 #endif
373 
374 #if defined(MBEDTLS_PLATFORM_PRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
375 #error "MBEDTLS_PLATFORM_PRINTF_ALT defined, but not all prerequisites"
376 #endif
377 
378 #if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
379 #error "MBEDTLS_PLATFORM_PRINTF_MACRO defined, but not all prerequisites"
380 #endif
381 
382 #if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) &&\
383     ( defined(MBEDTLS_PLATFORM_STD_PRINTF) ||\
384         defined(MBEDTLS_PLATFORM_PRINTF_ALT) )
385 #error "MBEDTLS_PLATFORM_PRINTF_MACRO and MBEDTLS_PLATFORM_STD_PRINTF/MBEDTLS_PLATFORM_PRINTF_ALT cannot be defined simultaneously"
386 #endif
387 
388 #if defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
389 #error "MBEDTLS_PLATFORM_SNPRINTF_ALT defined, but not all prerequisites"
390 #endif
391 
392 #if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
393 #error "MBEDTLS_PLATFORM_SNPRINTF_MACRO defined, but not all prerequisites"
394 #endif
395 
396 #if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) &&\
397     ( defined(MBEDTLS_PLATFORM_STD_SNPRINTF) ||\
398         defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) )
399 #error "MBEDTLS_PLATFORM_SNPRINTF_MACRO and MBEDTLS_PLATFORM_STD_SNPRINTF/MBEDTLS_PLATFORM_SNPRINTF_ALT cannot be defined simultaneously"
400 #endif
401 
402 #if defined(MBEDTLS_PLATFORM_STD_MEM_HDR) &&\
403     !defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS)
404 #error "MBEDTLS_PLATFORM_STD_MEM_HDR defined, but not all prerequisites"
405 #endif
406 
407 #if defined(MBEDTLS_PLATFORM_STD_CALLOC) && !defined(MBEDTLS_PLATFORM_MEMORY)
408 #error "MBEDTLS_PLATFORM_STD_CALLOC defined, but not all prerequisites"
409 #endif
410 
411 #if defined(MBEDTLS_PLATFORM_STD_CALLOC) && !defined(MBEDTLS_PLATFORM_MEMORY)
412 #error "MBEDTLS_PLATFORM_STD_CALLOC defined, but not all prerequisites"
413 #endif
414 
415 #if defined(MBEDTLS_PLATFORM_STD_FREE) && !defined(MBEDTLS_PLATFORM_MEMORY)
416 #error "MBEDTLS_PLATFORM_STD_FREE defined, but not all prerequisites"
417 #endif
418 
419 #if defined(MBEDTLS_PLATFORM_STD_EXIT) &&\
420     !defined(MBEDTLS_PLATFORM_EXIT_ALT)
421 #error "MBEDTLS_PLATFORM_STD_EXIT defined, but not all prerequisites"
422 #endif
423 
424 #if defined(MBEDTLS_PLATFORM_STD_TIME) &&\
425     ( !defined(MBEDTLS_PLATFORM_TIME_ALT) ||\
426         !defined(MBEDTLS_HAVE_TIME) )
427 #error "MBEDTLS_PLATFORM_STD_TIME defined, but not all prerequisites"
428 #endif
429 
430 #if defined(MBEDTLS_PLATFORM_STD_FPRINTF) &&\
431     !defined(MBEDTLS_PLATFORM_FPRINTF_ALT)
432 #error "MBEDTLS_PLATFORM_STD_FPRINTF defined, but not all prerequisites"
433 #endif
434 
435 #if defined(MBEDTLS_PLATFORM_STD_PRINTF) &&\
436     !defined(MBEDTLS_PLATFORM_PRINTF_ALT)
437 #error "MBEDTLS_PLATFORM_STD_PRINTF defined, but not all prerequisites"
438 #endif
439 
440 #if defined(MBEDTLS_PLATFORM_STD_SNPRINTF) &&\
441     !defined(MBEDTLS_PLATFORM_SNPRINTF_ALT)
442 #error "MBEDTLS_PLATFORM_STD_SNPRINTF defined, but not all prerequisites"
443 #endif
444 
445 #if defined(MBEDTLS_ENTROPY_NV_SEED) &&\
446     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_ENTROPY_C) )
447 #error "MBEDTLS_ENTROPY_NV_SEED defined, but not all prerequisites"
448 #endif
449 
450 #if defined(MBEDTLS_PLATFORM_NV_SEED_ALT) &&\
451     !defined(MBEDTLS_ENTROPY_NV_SEED)
452 #error "MBEDTLS_PLATFORM_NV_SEED_ALT defined, but not all prerequisites"
453 #endif
454 
455 #if defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ) &&\
456     !defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
457 #error "MBEDTLS_PLATFORM_STD_NV_SEED_READ defined, but not all prerequisites"
458 #endif
459 
460 #if defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE) &&\
461     !defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
462 #error "MBEDTLS_PLATFORM_STD_NV_SEED_WRITE defined, but not all prerequisites"
463 #endif
464 
465 #if defined(MBEDTLS_PLATFORM_NV_SEED_READ_MACRO) &&\
466     ( defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ) ||\
467       defined(MBEDTLS_PLATFORM_NV_SEED_ALT) )
468 #error "MBEDTLS_PLATFORM_NV_SEED_READ_MACRO and MBEDTLS_PLATFORM_STD_NV_SEED_READ cannot be defined simultaneously"
469 #endif
470 
471 #if defined(MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO) &&\
472     ( defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE) ||\
473       defined(MBEDTLS_PLATFORM_NV_SEED_ALT) )
474 #error "MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO and MBEDTLS_PLATFORM_STD_NV_SEED_WRITE cannot be defined simultaneously"
475 #endif
476 
477 #if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_BIGNUM_C) ||         \
478     !defined(MBEDTLS_OID_C) )
479 #error "MBEDTLS_RSA_C defined, but not all prerequisites"
480 #endif
481 
482 #if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_PKCS1_V21) &&         \
483     !defined(MBEDTLS_PKCS1_V15) )
484 #error "MBEDTLS_RSA_C defined, but none of the PKCS1 versions enabled"
485 #endif
486 
487 #if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT) &&                        \
488     ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_PKCS1_V21) )
489 #error "MBEDTLS_X509_RSASSA_PSS_SUPPORT defined, but not all prerequisites"
490 #endif
491 
492 #if defined(MBEDTLS_SSL_PROTO_SSL3) && ( !defined(MBEDTLS_MD5_C) ||     \
493     !defined(MBEDTLS_SHA1_C) )
494 #error "MBEDTLS_SSL_PROTO_SSL3 defined, but not all prerequisites"
495 #endif
496 
497 #if defined(MBEDTLS_SSL_PROTO_TLS1) && ( !defined(MBEDTLS_MD5_C) ||     \
498     !defined(MBEDTLS_SHA1_C) )
499 #error "MBEDTLS_SSL_PROTO_TLS1 defined, but not all prerequisites"
500 #endif
501 
502 #if defined(MBEDTLS_SSL_PROTO_TLS1_1) && ( !defined(MBEDTLS_MD5_C) ||     \
503     !defined(MBEDTLS_SHA1_C) )
504 #error "MBEDTLS_SSL_PROTO_TLS1_1 defined, but not all prerequisites"
505 #endif
506 
507 #if defined(MBEDTLS_SSL_PROTO_TLS1_2) && ( !defined(MBEDTLS_SHA1_C) &&     \
508     !defined(MBEDTLS_SHA256_C) && !defined(MBEDTLS_SHA512_C) )
509 #error "MBEDTLS_SSL_PROTO_TLS1_2 defined, but not all prerequisites"
510 #endif
511 
512 #if defined(MBEDTLS_SSL_PROTO_DTLS)     && \
513     !defined(MBEDTLS_SSL_PROTO_TLS1_1)  && \
514     !defined(MBEDTLS_SSL_PROTO_TLS1_2)
515 #error "MBEDTLS_SSL_PROTO_DTLS defined, but not all prerequisites"
516 #endif
517 
518 #if defined(MBEDTLS_SSL_CLI_C) && !defined(MBEDTLS_SSL_TLS_C)
519 #error "MBEDTLS_SSL_CLI_C defined, but not all prerequisites"
520 #endif
521 
522 #if defined(MBEDTLS_SSL_TLS_C) && ( !defined(MBEDTLS_CIPHER_C) ||     \
523     !defined(MBEDTLS_MD_C) )
524 #error "MBEDTLS_SSL_TLS_C defined, but not all prerequisites"
525 #endif
526 
527 #if defined(MBEDTLS_SSL_SRV_C) && !defined(MBEDTLS_SSL_TLS_C)
528 #error "MBEDTLS_SSL_SRV_C defined, but not all prerequisites"
529 #endif
530 
531 #if defined(MBEDTLS_SSL_TLS_C) && (!defined(MBEDTLS_SSL_PROTO_SSL3) && \
532     !defined(MBEDTLS_SSL_PROTO_TLS1) && !defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
533     !defined(MBEDTLS_SSL_PROTO_TLS1_2))
534 #error "MBEDTLS_SSL_TLS_C defined, but no protocols are active"
535 #endif
536 
537 #if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
538     defined(MBEDTLS_SSL_PROTO_TLS1_1) && !defined(MBEDTLS_SSL_PROTO_TLS1))
539 #error "Illegal protocol selection"
540 #endif
541 
542 #if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_TLS1) && \
543     defined(MBEDTLS_SSL_PROTO_TLS1_2) && !defined(MBEDTLS_SSL_PROTO_TLS1_1))
544 #error "Illegal protocol selection"
545 #endif
546 
547 #if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
548     defined(MBEDTLS_SSL_PROTO_TLS1_2) && (!defined(MBEDTLS_SSL_PROTO_TLS1) || \
549     !defined(MBEDTLS_SSL_PROTO_TLS1_1)))
550 #error "Illegal protocol selection"
551 #endif
552 
553 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && !defined(MBEDTLS_SSL_PROTO_DTLS)
554 #error "MBEDTLS_SSL_DTLS_HELLO_VERIFY  defined, but not all prerequisites"
555 #endif
556 
557 #if defined(MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE) && \
558     !defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
559 #error "MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE  defined, but not all prerequisites"
560 #endif
561 
562 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY) &&                              \
563     ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
564 #error "MBEDTLS_SSL_DTLS_ANTI_REPLAY  defined, but not all prerequisites"
565 #endif
566 
567 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT) &&                              \
568     ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
569 #error "MBEDTLS_SSL_DTLS_BADMAC_LIMIT  defined, but not all prerequisites"
570 #endif
571 
572 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) &&   \
573     !defined(MBEDTLS_SSL_PROTO_TLS1)   &&      \
574     !defined(MBEDTLS_SSL_PROTO_TLS1_1) &&      \
575     !defined(MBEDTLS_SSL_PROTO_TLS1_2)
576 #error "MBEDTLS_SSL_ENCRYPT_THEN_MAC defined, but not all prerequsites"
577 #endif
578 
579 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) && \
580     !defined(MBEDTLS_SSL_PROTO_TLS1)   &&          \
581     !defined(MBEDTLS_SSL_PROTO_TLS1_1) &&          \
582     !defined(MBEDTLS_SSL_PROTO_TLS1_2)
583 #error "MBEDTLS_SSL_EXTENDED_MASTER_SECRET defined, but not all prerequsites"
584 #endif
585 
586 #if defined(MBEDTLS_SSL_TICKET_C) && !defined(MBEDTLS_CIPHER_C)
587 #error "MBEDTLS_SSL_TICKET_C defined, but not all prerequisites"
588 #endif
589 
590 #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING) && \
591     !defined(MBEDTLS_SSL_PROTO_SSL3) && !defined(MBEDTLS_SSL_PROTO_TLS1)
592 #error "MBEDTLS_SSL_CBC_RECORD_SPLITTING defined, but not all prerequisites"
593 #endif
594 
595 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && \
596         !defined(MBEDTLS_X509_CRT_PARSE_C)
597 #error "MBEDTLS_SSL_SERVER_NAME_INDICATION defined, but not all prerequisites"
598 #endif
599 
600 #if defined(MBEDTLS_THREADING_PTHREAD)
601 #if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
602 #error "MBEDTLS_THREADING_PTHREAD defined, but not all prerequisites"
603 #endif
604 #define MBEDTLS_THREADING_IMPL
605 #endif
606 
607 #if defined(MBEDTLS_THREADING_ALT)
608 #if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
609 #error "MBEDTLS_THREADING_ALT defined, but not all prerequisites"
610 #endif
611 #define MBEDTLS_THREADING_IMPL
612 #endif
613 
614 #if defined(MBEDTLS_THREADING_C) && !defined(MBEDTLS_THREADING_IMPL)
615 #error "MBEDTLS_THREADING_C defined, single threading implementation required"
616 #endif
617 #undef MBEDTLS_THREADING_IMPL
618 
619 #if defined(MBEDTLS_VERSION_FEATURES) && !defined(MBEDTLS_VERSION_C)
620 #error "MBEDTLS_VERSION_FEATURES defined, but not all prerequisites"
621 #endif
622 
623 #if defined(MBEDTLS_X509_USE_C) && ( !defined(MBEDTLS_BIGNUM_C) ||  \
624     !defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_PARSE_C) ||      \
625     !defined(MBEDTLS_PK_PARSE_C) )
626 #error "MBEDTLS_X509_USE_C defined, but not all prerequisites"
627 #endif
628 
629 #if defined(MBEDTLS_X509_CREATE_C) && ( !defined(MBEDTLS_BIGNUM_C) ||  \
630     !defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_WRITE_C) ||       \
631     !defined(MBEDTLS_PK_WRITE_C) )
632 #error "MBEDTLS_X509_CREATE_C defined, but not all prerequisites"
633 #endif
634 
635 #if defined(MBEDTLS_X509_CRT_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
636 #error "MBEDTLS_X509_CRT_PARSE_C defined, but not all prerequisites"
637 #endif
638 
639 #if defined(MBEDTLS_X509_CRL_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
640 #error "MBEDTLS_X509_CRL_PARSE_C defined, but not all prerequisites"
641 #endif
642 
643 #if defined(MBEDTLS_X509_CSR_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
644 #error "MBEDTLS_X509_CSR_PARSE_C defined, but not all prerequisites"
645 #endif
646 
647 #if defined(MBEDTLS_X509_CRT_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
648 #error "MBEDTLS_X509_CRT_WRITE_C defined, but not all prerequisites"
649 #endif
650 
651 #if defined(MBEDTLS_X509_CSR_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
652 #error "MBEDTLS_X509_CSR_WRITE_C defined, but not all prerequisites"
653 #endif
654 
655 #if defined(MBEDTLS_HAVE_INT32) && defined(MBEDTLS_HAVE_INT64)
656 #error "MBEDTLS_HAVE_INT32 and MBEDTLS_HAVE_INT64 cannot be defined simultaneously"
657 #endif /* MBEDTLS_HAVE_INT32 && MBEDTLS_HAVE_INT64 */
658 
659 #if ( defined(MBEDTLS_HAVE_INT32) || defined(MBEDTLS_HAVE_INT64) ) && \
660     defined(MBEDTLS_HAVE_ASM)
661 #error "MBEDTLS_HAVE_INT32/MBEDTLS_HAVE_INT64 and MBEDTLS_HAVE_ASM cannot be defined simultaneously"
662 #endif /* (MBEDTLS_HAVE_INT32 || MBEDTLS_HAVE_INT64) && MBEDTLS_HAVE_ASM */
663 
664 /*
665  * Avoid warning from -pedantic. This is a convenient place for this
666  * workaround since this is included by every single file before the
667  * #if defined(MBEDTLS_xxx_C) that results in emtpy translation units.
668  */
669 typedef int mbedtls_iso_c_forbids_empty_translation_units;
670 
671 #endif /* MBEDTLS_CHECK_CONFIG_H */
672