1 /**
2  * \file check_config.h
3  *
4  * \brief Consistency checks for configuration options
5  */
6 /*
7  *  Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
8  *  SPDX-License-Identifier: GPL-2.0
9  *
10  *  This program is free software; you can redistribute it and/or modify
11  *  it under the terms of the GNU General Public License as published by
12  *  the Free Software Foundation; either version 2 of the License, or
13  *  (at your option) any later version.
14  *
15  *  This program is distributed in the hope that it will be useful,
16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  *  GNU General Public License for more details.
19  *
20  *  You should have received a copy of the GNU General Public License along
21  *  with this program; if not, write to the Free Software Foundation, Inc.,
22  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23  *
24  *  This file is part of mbed TLS (https://tls.mbed.org)
25  */
26 
27 /*
28  * It is recommended to include this file from your config.h
29  * in order to catch dependency issues early.
30  */
31 
32 #ifndef MBEDTLS_CHECK_CONFIG_H
33 #define MBEDTLS_CHECK_CONFIG_H
34 
35 /*
36  * We assume CHAR_BIT is 8 in many places. In practice, this is true on our
37  * target platforms, so not an issue, but let's just be extra sure.
38  */
39 #include <limits.h>
40 #if CHAR_BIT != 8
41 #error "mbed TLS requires a platform with 8-bit chars"
42 #endif
43 
44 #if defined(_WIN32)
45 #if !defined(MBEDTLS_PLATFORM_C)
46 #error "MBEDTLS_PLATFORM_C is required on Windows"
47 #endif
48 
49 /* Fix the config here. Not convenient to put an #ifdef _WIN32 in config.h as
50  * it would confuse config.pl. */
51 #if !defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) && \
52     !defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO)
53 #define MBEDTLS_PLATFORM_SNPRINTF_ALT
54 #endif
55 #endif /* _WIN32 */
56 
57 #if defined(TARGET_LIKE_MBED) && \
58     ( defined(MBEDTLS_NET_C) || defined(MBEDTLS_TIMING_C) )
59 #error "The NET and TIMING modules are not available for mbed OS - please use the network and timing functions provided by mbed OS"
60 #endif
61 
62 #if defined(MBEDTLS_DEPRECATED_WARNING) && \
63     !defined(__GNUC__) && !defined(__clang__)
64 #error "MBEDTLS_DEPRECATED_WARNING only works with GCC and Clang"
65 #endif
66 
67 #if defined(MBEDTLS_HAVE_TIME_DATE) && !defined(MBEDTLS_HAVE_TIME)
68 #error "MBEDTLS_HAVE_TIME_DATE without MBEDTLS_HAVE_TIME does not make sense"
69 #endif
70 
71 #if defined(MBEDTLS_AESNI_C) && !defined(MBEDTLS_HAVE_ASM)
72 #error "MBEDTLS_AESNI_C defined, but not all prerequisites"
73 #endif
74 
75 #if defined(MBEDTLS_CTR_DRBG_C) && !defined(MBEDTLS_AES_C)
76 #error "MBEDTLS_CTR_DRBG_C defined, but not all prerequisites"
77 #endif
78 
79 #if defined(MBEDTLS_DHM_C) && !defined(MBEDTLS_BIGNUM_C)
80 #error "MBEDTLS_DHM_C defined, but not all prerequisites"
81 #endif
82 
83 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT) && !defined(MBEDTLS_SSL_TRUNCATED_HMAC)
84 #error "MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT defined, but not all prerequisites"
85 #endif
86 
87 #if defined(MBEDTLS_CMAC_C) && \
88     !defined(MBEDTLS_AES_C) && !defined(MBEDTLS_DES_C)
89 #error "MBEDTLS_CMAC_C defined, but not all prerequisites"
90 #endif
91 
92 #if defined(MBEDTLS_ECDH_C) && !defined(MBEDTLS_ECP_C)
93 #error "MBEDTLS_ECDH_C defined, but not all prerequisites"
94 #endif
95 
96 #if defined(MBEDTLS_ECDSA_C) &&            \
97     ( !defined(MBEDTLS_ECP_C) ||           \
98       !defined(MBEDTLS_ASN1_PARSE_C) ||    \
99       !defined(MBEDTLS_ASN1_WRITE_C) )
100 #error "MBEDTLS_ECDSA_C defined, but not all prerequisites"
101 #endif
102 
103 #if defined(MBEDTLS_ECJPAKE_C) &&           \
104     ( !defined(MBEDTLS_ECP_C) || !defined(MBEDTLS_MD_C) )
105 #error "MBEDTLS_ECJPAKE_C defined, but not all prerequisites"
106 #endif
107 
108 #if defined(MBEDTLS_ECDSA_DETERMINISTIC) && !defined(MBEDTLS_HMAC_DRBG_C)
109 #error "MBEDTLS_ECDSA_DETERMINISTIC defined, but not all prerequisites"
110 #endif
111 
112 #if defined(MBEDTLS_ECP_C) && ( !defined(MBEDTLS_BIGNUM_C) || (    \
113     !defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED) &&                  \
114     !defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED) &&                  \
115     !defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) &&                  \
116     !defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED) &&                  \
117     !defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED) &&                  \
118     !defined(MBEDTLS_ECP_DP_BP256R1_ENABLED)   &&                  \
119     !defined(MBEDTLS_ECP_DP_BP384R1_ENABLED)   &&                  \
120     !defined(MBEDTLS_ECP_DP_BP512R1_ENABLED)   &&                  \
121     !defined(MBEDTLS_ECP_DP_SECP192K1_ENABLED) &&                  \
122     !defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED) &&                  \
123     !defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED) &&                  \
124     !defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED) ) )
125 #error "MBEDTLS_ECP_C defined, but not all prerequisites"
126 #endif
127 
128 #if defined(MBEDTLS_PK_PARSE_C) && !defined(MBEDTLS_ASN1_PARSE_C)
129 #error "MBEDTLS_PK_PARSE_C defined, but not all prerequesites"
130 #endif
131 
132 #if defined(MBEDTLS_ENTROPY_C) && (!defined(MBEDTLS_SHA512_C) &&      \
133                                     !defined(MBEDTLS_SHA256_C))
134 #error "MBEDTLS_ENTROPY_C defined, but not all prerequisites"
135 #endif
136 #if defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_SHA512_C) &&         \
137     defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 64)
138 #error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
139 #endif
140 #if defined(MBEDTLS_ENTROPY_C) &&                                            \
141     ( !defined(MBEDTLS_SHA512_C) || defined(MBEDTLS_ENTROPY_FORCE_SHA256) ) \
142     && defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 32)
143 #error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
144 #endif
145 #if defined(MBEDTLS_ENTROPY_C) && \
146     defined(MBEDTLS_ENTROPY_FORCE_SHA256) && !defined(MBEDTLS_SHA256_C)
147 #error "MBEDTLS_ENTROPY_FORCE_SHA256 defined, but not all prerequisites"
148 #endif
149 
150 #if defined(MBEDTLS_TEST_NULL_ENTROPY) && \
151     ( !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES) )
152 #error "MBEDTLS_TEST_NULL_ENTROPY defined, but not all prerequisites"
153 #endif
154 #if defined(MBEDTLS_TEST_NULL_ENTROPY) && \
155      ( defined(MBEDTLS_ENTROPY_NV_SEED) || defined(MBEDTLS_ENTROPY_HARDWARE_ALT) || \
156     defined(MBEDTLS_HAVEGE_C) )
157 #error "MBEDTLS_TEST_NULL_ENTROPY defined, but entropy sources too"
158 #endif
159 
160 #if defined(MBEDTLS_GCM_C) && (                                        \
161         !defined(MBEDTLS_AES_C) && !defined(MBEDTLS_CAMELLIA_C) )
162 #error "MBEDTLS_GCM_C defined, but not all prerequisites"
163 #endif
164 
165 #if defined(MBEDTLS_ECP_RANDOMIZE_JAC_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
166 #error "MBEDTLS_ECP_RANDOMIZE_JAC_ALT defined, but not all prerequisites"
167 #endif
168 
169 #if defined(MBEDTLS_ECP_ADD_MIXED_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
170 #error "MBEDTLS_ECP_ADD_MIXED_ALT defined, but not all prerequisites"
171 #endif
172 
173 #if defined(MBEDTLS_ECP_DOUBLE_JAC_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
174 #error "MBEDTLS_ECP_DOUBLE_JAC_ALT defined, but not all prerequisites"
175 #endif
176 
177 #if defined(MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
178 #error "MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT defined, but not all prerequisites"
179 #endif
180 
181 #if defined(MBEDTLS_ECP_NORMALIZE_JAC_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
182 #error "MBEDTLS_ECP_NORMALIZE_JAC_ALT defined, but not all prerequisites"
183 #endif
184 
185 #if defined(MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
186 #error "MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT defined, but not all prerequisites"
187 #endif
188 
189 #if defined(MBEDTLS_ECP_RANDOMIZE_MXZ_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
190 #error "MBEDTLS_ECP_RANDOMIZE_MXZ_ALT defined, but not all prerequisites"
191 #endif
192 
193 #if defined(MBEDTLS_ECP_NORMALIZE_MXZ_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
194 #error "MBEDTLS_ECP_NORMALIZE_MXZ_ALT defined, but not all prerequisites"
195 #endif
196 
197 #if defined(MBEDTLS_HAVEGE_C) && !defined(MBEDTLS_TIMING_C)
198 #error "MBEDTLS_HAVEGE_C defined, but not all prerequisites"
199 #endif
200 
201 #if defined(MBEDTLS_HMAC_DRBG_C) && !defined(MBEDTLS_MD_C)
202 #error "MBEDTLS_HMAC_DRBG_C defined, but not all prerequisites"
203 #endif
204 
205 #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) &&                 \
206     ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) )
207 #error "MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED defined, but not all prerequisites"
208 #endif
209 
210 #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) &&                 \
211     ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) )
212 #error "MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED defined, but not all prerequisites"
213 #endif
214 
215 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED) && !defined(MBEDTLS_DHM_C)
216 #error "MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED defined, but not all prerequisites"
217 #endif
218 
219 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) &&                     \
220     !defined(MBEDTLS_ECDH_C)
221 #error "MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED defined, but not all prerequisites"
222 #endif
223 
224 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) &&                   \
225     ( !defined(MBEDTLS_DHM_C) || !defined(MBEDTLS_RSA_C) ||           \
226       !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
227 #error "MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED defined, but not all prerequisites"
228 #endif
229 
230 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) &&                 \
231     ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_RSA_C) ||          \
232       !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
233 #error "MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED defined, but not all prerequisites"
234 #endif
235 
236 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) &&                 \
237     ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_ECDSA_C) ||          \
238       !defined(MBEDTLS_X509_CRT_PARSE_C) )
239 #error "MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED defined, but not all prerequisites"
240 #endif
241 
242 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED) &&                   \
243     ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
244       !defined(MBEDTLS_PKCS1_V15) )
245 #error "MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED defined, but not all prerequisites"
246 #endif
247 
248 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) &&                       \
249     ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
250       !defined(MBEDTLS_PKCS1_V15) )
251 #error "MBEDTLS_KEY_EXCHANGE_RSA_ENABLED defined, but not all prerequisites"
252 #endif
253 
254 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) &&                    \
255     ( !defined(MBEDTLS_ECJPAKE_C) || !defined(MBEDTLS_SHA256_C) ||      \
256       !defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) )
257 #error "MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED defined, but not all prerequisites"
258 #endif
259 
260 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) &&                          \
261     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
262 #error "MBEDTLS_MEMORY_BUFFER_ALLOC_C defined, but not all prerequisites"
263 #endif
264 
265 #if defined(MBEDTLS_PADLOCK_C) && !defined(MBEDTLS_HAVE_ASM)
266 #error "MBEDTLS_PADLOCK_C defined, but not all prerequisites"
267 #endif
268 
269 #if defined(MBEDTLS_PEM_PARSE_C) && !defined(MBEDTLS_BASE64_C)
270 #error "MBEDTLS_PEM_PARSE_C defined, but not all prerequisites"
271 #endif
272 
273 #if defined(MBEDTLS_PEM_WRITE_C) && !defined(MBEDTLS_BASE64_C)
274 #error "MBEDTLS_PEM_WRITE_C defined, but not all prerequisites"
275 #endif
276 
277 #if defined(MBEDTLS_PK_C) && \
278     ( !defined(MBEDTLS_RSA_C) && !defined(MBEDTLS_ECP_C) )
279 #error "MBEDTLS_PK_C defined, but not all prerequisites"
280 #endif
281 
282 #if defined(MBEDTLS_PK_PARSE_C) && !defined(MBEDTLS_PK_C)
283 #error "MBEDTLS_PK_PARSE_C defined, but not all prerequisites"
284 #endif
285 
286 #if defined(MBEDTLS_PK_WRITE_C) && !defined(MBEDTLS_PK_C)
287 #error "MBEDTLS_PK_WRITE_C defined, but not all prerequisites"
288 #endif
289 
290 #if defined(MBEDTLS_PKCS11_C) && !defined(MBEDTLS_PK_C)
291 #error "MBEDTLS_PKCS11_C defined, but not all prerequisites"
292 #endif
293 
294 #if defined(MBEDTLS_PLATFORM_EXIT_ALT) && !defined(MBEDTLS_PLATFORM_C)
295 #error "MBEDTLS_PLATFORM_EXIT_ALT defined, but not all prerequisites"
296 #endif
297 
298 #if defined(MBEDTLS_PLATFORM_EXIT_MACRO) && !defined(MBEDTLS_PLATFORM_C)
299 #error "MBEDTLS_PLATFORM_EXIT_MACRO defined, but not all prerequisites"
300 #endif
301 
302 #if defined(MBEDTLS_PLATFORM_EXIT_MACRO) &&\
303     ( defined(MBEDTLS_PLATFORM_STD_EXIT) ||\
304         defined(MBEDTLS_PLATFORM_EXIT_ALT) )
305 #error "MBEDTLS_PLATFORM_EXIT_MACRO and MBEDTLS_PLATFORM_STD_EXIT/MBEDTLS_PLATFORM_EXIT_ALT cannot be defined simultaneously"
306 #endif
307 
308 #if defined(MBEDTLS_PLATFORM_TIME_ALT) &&\
309     ( !defined(MBEDTLS_PLATFORM_C) ||\
310         !defined(MBEDTLS_HAVE_TIME) )
311 #error "MBEDTLS_PLATFORM_TIME_ALT defined, but not all prerequisites"
312 #endif
313 
314 #if defined(MBEDTLS_PLATFORM_TIME_MACRO) &&\
315     ( !defined(MBEDTLS_PLATFORM_C) ||\
316         !defined(MBEDTLS_HAVE_TIME) )
317 #error "MBEDTLS_PLATFORM_TIME_MACRO defined, but not all prerequisites"
318 #endif
319 
320 #if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO) &&\
321     ( !defined(MBEDTLS_PLATFORM_C) ||\
322         !defined(MBEDTLS_HAVE_TIME) )
323 #error "MBEDTLS_PLATFORM_TIME_TYPE_MACRO defined, but not all prerequisites"
324 #endif
325 
326 #if defined(MBEDTLS_PLATFORM_TIME_MACRO) &&\
327     ( defined(MBEDTLS_PLATFORM_STD_TIME) ||\
328         defined(MBEDTLS_PLATFORM_TIME_ALT) )
329 #error "MBEDTLS_PLATFORM_TIME_MACRO and MBEDTLS_PLATFORM_STD_TIME/MBEDTLS_PLATFORM_TIME_ALT cannot be defined simultaneously"
330 #endif
331 
332 #if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO) &&\
333     ( defined(MBEDTLS_PLATFORM_STD_TIME) ||\
334         defined(MBEDTLS_PLATFORM_TIME_ALT) )
335 #error "MBEDTLS_PLATFORM_TIME_TYPE_MACRO and MBEDTLS_PLATFORM_STD_TIME/MBEDTLS_PLATFORM_TIME_ALT cannot be defined simultaneously"
336 #endif
337 
338 #if defined(MBEDTLS_PLATFORM_FPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
339 #error "MBEDTLS_PLATFORM_FPRINTF_ALT defined, but not all prerequisites"
340 #endif
341 
342 #if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
343 #error "MBEDTLS_PLATFORM_FPRINTF_MACRO defined, but not all prerequisites"
344 #endif
345 
346 #if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) &&\
347     ( defined(MBEDTLS_PLATFORM_STD_FPRINTF) ||\
348         defined(MBEDTLS_PLATFORM_FPRINTF_ALT) )
349 #error "MBEDTLS_PLATFORM_FPRINTF_MACRO and MBEDTLS_PLATFORM_STD_FPRINTF/MBEDTLS_PLATFORM_FPRINTF_ALT cannot be defined simultaneously"
350 #endif
351 
352 #if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
353     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
354 #error "MBEDTLS_PLATFORM_FREE_MACRO defined, but not all prerequisites"
355 #endif
356 
357 #if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
358     defined(MBEDTLS_PLATFORM_STD_FREE)
359 #error "MBEDTLS_PLATFORM_FREE_MACRO and MBEDTLS_PLATFORM_STD_FREE cannot be defined simultaneously"
360 #endif
361 
362 #if defined(MBEDTLS_PLATFORM_FREE_MACRO) && !defined(MBEDTLS_PLATFORM_CALLOC_MACRO)
363 #error "MBEDTLS_PLATFORM_CALLOC_MACRO must be defined if MBEDTLS_PLATFORM_FREE_MACRO is"
364 #endif
365 
366 #if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
367     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
368 #error "MBEDTLS_PLATFORM_CALLOC_MACRO defined, but not all prerequisites"
369 #endif
370 
371 #if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
372     defined(MBEDTLS_PLATFORM_STD_CALLOC)
373 #error "MBEDTLS_PLATFORM_CALLOC_MACRO and MBEDTLS_PLATFORM_STD_CALLOC cannot be defined simultaneously"
374 #endif
375 
376 #if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) && !defined(MBEDTLS_PLATFORM_FREE_MACRO)
377 #error "MBEDTLS_PLATFORM_FREE_MACRO must be defined if MBEDTLS_PLATFORM_CALLOC_MACRO is"
378 #endif
379 
380 #if defined(MBEDTLS_PLATFORM_MEMORY) && !defined(MBEDTLS_PLATFORM_C)
381 #error "MBEDTLS_PLATFORM_MEMORY defined, but not all prerequisites"
382 #endif
383 
384 #if defined(MBEDTLS_PLATFORM_PRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
385 #error "MBEDTLS_PLATFORM_PRINTF_ALT defined, but not all prerequisites"
386 #endif
387 
388 #if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
389 #error "MBEDTLS_PLATFORM_PRINTF_MACRO defined, but not all prerequisites"
390 #endif
391 
392 #if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) &&\
393     ( defined(MBEDTLS_PLATFORM_STD_PRINTF) ||\
394         defined(MBEDTLS_PLATFORM_PRINTF_ALT) )
395 #error "MBEDTLS_PLATFORM_PRINTF_MACRO and MBEDTLS_PLATFORM_STD_PRINTF/MBEDTLS_PLATFORM_PRINTF_ALT cannot be defined simultaneously"
396 #endif
397 
398 #if defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
399 #error "MBEDTLS_PLATFORM_SNPRINTF_ALT defined, but not all prerequisites"
400 #endif
401 
402 #if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
403 #error "MBEDTLS_PLATFORM_SNPRINTF_MACRO defined, but not all prerequisites"
404 #endif
405 
406 #if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) &&\
407     ( defined(MBEDTLS_PLATFORM_STD_SNPRINTF) ||\
408         defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) )
409 #error "MBEDTLS_PLATFORM_SNPRINTF_MACRO and MBEDTLS_PLATFORM_STD_SNPRINTF/MBEDTLS_PLATFORM_SNPRINTF_ALT cannot be defined simultaneously"
410 #endif
411 
412 #if defined(MBEDTLS_PLATFORM_STD_MEM_HDR) &&\
413     !defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS)
414 #error "MBEDTLS_PLATFORM_STD_MEM_HDR defined, but not all prerequisites"
415 #endif
416 
417 #if defined(MBEDTLS_PLATFORM_STD_CALLOC) && !defined(MBEDTLS_PLATFORM_MEMORY)
418 #error "MBEDTLS_PLATFORM_STD_CALLOC defined, but not all prerequisites"
419 #endif
420 
421 #if defined(MBEDTLS_PLATFORM_STD_CALLOC) && !defined(MBEDTLS_PLATFORM_MEMORY)
422 #error "MBEDTLS_PLATFORM_STD_CALLOC defined, but not all prerequisites"
423 #endif
424 
425 #if defined(MBEDTLS_PLATFORM_STD_FREE) && !defined(MBEDTLS_PLATFORM_MEMORY)
426 #error "MBEDTLS_PLATFORM_STD_FREE defined, but not all prerequisites"
427 #endif
428 
429 #if defined(MBEDTLS_PLATFORM_STD_EXIT) &&\
430     !defined(MBEDTLS_PLATFORM_EXIT_ALT)
431 #error "MBEDTLS_PLATFORM_STD_EXIT defined, but not all prerequisites"
432 #endif
433 
434 #if defined(MBEDTLS_PLATFORM_STD_TIME) &&\
435     ( !defined(MBEDTLS_PLATFORM_TIME_ALT) ||\
436         !defined(MBEDTLS_HAVE_TIME) )
437 #error "MBEDTLS_PLATFORM_STD_TIME defined, but not all prerequisites"
438 #endif
439 
440 #if defined(MBEDTLS_PLATFORM_STD_FPRINTF) &&\
441     !defined(MBEDTLS_PLATFORM_FPRINTF_ALT)
442 #error "MBEDTLS_PLATFORM_STD_FPRINTF defined, but not all prerequisites"
443 #endif
444 
445 #if defined(MBEDTLS_PLATFORM_STD_PRINTF) &&\
446     !defined(MBEDTLS_PLATFORM_PRINTF_ALT)
447 #error "MBEDTLS_PLATFORM_STD_PRINTF defined, but not all prerequisites"
448 #endif
449 
450 #if defined(MBEDTLS_PLATFORM_STD_SNPRINTF) &&\
451     !defined(MBEDTLS_PLATFORM_SNPRINTF_ALT)
452 #error "MBEDTLS_PLATFORM_STD_SNPRINTF defined, but not all prerequisites"
453 #endif
454 
455 #if defined(MBEDTLS_ENTROPY_NV_SEED) &&\
456     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_ENTROPY_C) )
457 #error "MBEDTLS_ENTROPY_NV_SEED defined, but not all prerequisites"
458 #endif
459 
460 #if defined(MBEDTLS_PLATFORM_NV_SEED_ALT) &&\
461     !defined(MBEDTLS_ENTROPY_NV_SEED)
462 #error "MBEDTLS_PLATFORM_NV_SEED_ALT defined, but not all prerequisites"
463 #endif
464 
465 #if defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ) &&\
466     !defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
467 #error "MBEDTLS_PLATFORM_STD_NV_SEED_READ defined, but not all prerequisites"
468 #endif
469 
470 #if defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE) &&\
471     !defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
472 #error "MBEDTLS_PLATFORM_STD_NV_SEED_WRITE defined, but not all prerequisites"
473 #endif
474 
475 #if defined(MBEDTLS_PLATFORM_NV_SEED_READ_MACRO) &&\
476     ( defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ) ||\
477       defined(MBEDTLS_PLATFORM_NV_SEED_ALT) )
478 #error "MBEDTLS_PLATFORM_NV_SEED_READ_MACRO and MBEDTLS_PLATFORM_STD_NV_SEED_READ cannot be defined simultaneously"
479 #endif
480 
481 #if defined(MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO) &&\
482     ( defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE) ||\
483       defined(MBEDTLS_PLATFORM_NV_SEED_ALT) )
484 #error "MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO and MBEDTLS_PLATFORM_STD_NV_SEED_WRITE cannot be defined simultaneously"
485 #endif
486 
487 #if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_BIGNUM_C) ||         \
488     !defined(MBEDTLS_OID_C) )
489 #error "MBEDTLS_RSA_C defined, but not all prerequisites"
490 #endif
491 
492 #if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_PKCS1_V21) &&         \
493     !defined(MBEDTLS_PKCS1_V15) )
494 #error "MBEDTLS_RSA_C defined, but none of the PKCS1 versions enabled"
495 #endif
496 
497 #if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT) &&                        \
498     ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_PKCS1_V21) )
499 #error "MBEDTLS_X509_RSASSA_PSS_SUPPORT defined, but not all prerequisites"
500 #endif
501 
502 #if defined(MBEDTLS_SSL_PROTO_SSL3) && ( !defined(MBEDTLS_MD5_C) ||     \
503     !defined(MBEDTLS_SHA1_C) )
504 #error "MBEDTLS_SSL_PROTO_SSL3 defined, but not all prerequisites"
505 #endif
506 
507 #if defined(MBEDTLS_SSL_PROTO_TLS1) && ( !defined(MBEDTLS_MD5_C) ||     \
508     !defined(MBEDTLS_SHA1_C) )
509 #error "MBEDTLS_SSL_PROTO_TLS1 defined, but not all prerequisites"
510 #endif
511 
512 #if defined(MBEDTLS_SSL_PROTO_TLS1_1) && ( !defined(MBEDTLS_MD5_C) ||     \
513     !defined(MBEDTLS_SHA1_C) )
514 #error "MBEDTLS_SSL_PROTO_TLS1_1 defined, but not all prerequisites"
515 #endif
516 
517 #if defined(MBEDTLS_SSL_PROTO_TLS1_2) && ( !defined(MBEDTLS_SHA1_C) &&     \
518     !defined(MBEDTLS_SHA256_C) && !defined(MBEDTLS_SHA512_C) )
519 #error "MBEDTLS_SSL_PROTO_TLS1_2 defined, but not all prerequisites"
520 #endif
521 
522 #if defined(MBEDTLS_SSL_PROTO_DTLS)     && \
523     !defined(MBEDTLS_SSL_PROTO_TLS1_1)  && \
524     !defined(MBEDTLS_SSL_PROTO_TLS1_2)
525 #error "MBEDTLS_SSL_PROTO_DTLS defined, but not all prerequisites"
526 #endif
527 
528 #if defined(MBEDTLS_SSL_CLI_C) && !defined(MBEDTLS_SSL_TLS_C)
529 #error "MBEDTLS_SSL_CLI_C defined, but not all prerequisites"
530 #endif
531 
532 #if defined(MBEDTLS_SSL_TLS_C) && ( !defined(MBEDTLS_CIPHER_C) ||     \
533     !defined(MBEDTLS_MD_C) )
534 #error "MBEDTLS_SSL_TLS_C defined, but not all prerequisites"
535 #endif
536 
537 #if defined(MBEDTLS_SSL_SRV_C) && !defined(MBEDTLS_SSL_TLS_C)
538 #error "MBEDTLS_SSL_SRV_C defined, but not all prerequisites"
539 #endif
540 
541 #if defined(MBEDTLS_SSL_TLS_C) && (!defined(MBEDTLS_SSL_PROTO_SSL3) && \
542     !defined(MBEDTLS_SSL_PROTO_TLS1) && !defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
543     !defined(MBEDTLS_SSL_PROTO_TLS1_2))
544 #error "MBEDTLS_SSL_TLS_C defined, but no protocols are active"
545 #endif
546 
547 #if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
548     defined(MBEDTLS_SSL_PROTO_TLS1_1) && !defined(MBEDTLS_SSL_PROTO_TLS1))
549 #error "Illegal protocol selection"
550 #endif
551 
552 #if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_TLS1) && \
553     defined(MBEDTLS_SSL_PROTO_TLS1_2) && !defined(MBEDTLS_SSL_PROTO_TLS1_1))
554 #error "Illegal protocol selection"
555 #endif
556 
557 #if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
558     defined(MBEDTLS_SSL_PROTO_TLS1_2) && (!defined(MBEDTLS_SSL_PROTO_TLS1) || \
559     !defined(MBEDTLS_SSL_PROTO_TLS1_1)))
560 #error "Illegal protocol selection"
561 #endif
562 
563 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && !defined(MBEDTLS_SSL_PROTO_DTLS)
564 #error "MBEDTLS_SSL_DTLS_HELLO_VERIFY  defined, but not all prerequisites"
565 #endif
566 
567 #if defined(MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE) && \
568     !defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
569 #error "MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE  defined, but not all prerequisites"
570 #endif
571 
572 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY) &&                              \
573     ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
574 #error "MBEDTLS_SSL_DTLS_ANTI_REPLAY  defined, but not all prerequisites"
575 #endif
576 
577 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT) &&                              \
578     ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
579 #error "MBEDTLS_SSL_DTLS_BADMAC_LIMIT  defined, but not all prerequisites"
580 #endif
581 
582 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) &&   \
583     !defined(MBEDTLS_SSL_PROTO_TLS1)   &&      \
584     !defined(MBEDTLS_SSL_PROTO_TLS1_1) &&      \
585     !defined(MBEDTLS_SSL_PROTO_TLS1_2)
586 #error "MBEDTLS_SSL_ENCRYPT_THEN_MAC defined, but not all prerequsites"
587 #endif
588 
589 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) && \
590     !defined(MBEDTLS_SSL_PROTO_TLS1)   &&          \
591     !defined(MBEDTLS_SSL_PROTO_TLS1_1) &&          \
592     !defined(MBEDTLS_SSL_PROTO_TLS1_2)
593 #error "MBEDTLS_SSL_EXTENDED_MASTER_SECRET defined, but not all prerequsites"
594 #endif
595 
596 #if defined(MBEDTLS_SSL_TICKET_C) && !defined(MBEDTLS_CIPHER_C)
597 #error "MBEDTLS_SSL_TICKET_C defined, but not all prerequisites"
598 #endif
599 
600 #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING) && \
601     !defined(MBEDTLS_SSL_PROTO_SSL3) && !defined(MBEDTLS_SSL_PROTO_TLS1)
602 #error "MBEDTLS_SSL_CBC_RECORD_SPLITTING defined, but not all prerequisites"
603 #endif
604 
605 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && \
606         !defined(MBEDTLS_X509_CRT_PARSE_C)
607 #error "MBEDTLS_SSL_SERVER_NAME_INDICATION defined, but not all prerequisites"
608 #endif
609 
610 #if defined(MBEDTLS_THREADING_PTHREAD)
611 #if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
612 #error "MBEDTLS_THREADING_PTHREAD defined, but not all prerequisites"
613 #endif
614 #define MBEDTLS_THREADING_IMPL
615 #endif
616 
617 #if defined(MBEDTLS_THREADING_ALT)
618 #if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
619 #error "MBEDTLS_THREADING_ALT defined, but not all prerequisites"
620 #endif
621 #define MBEDTLS_THREADING_IMPL
622 #endif
623 
624 #if defined(MBEDTLS_THREADING_C) && !defined(MBEDTLS_THREADING_IMPL)
625 #error "MBEDTLS_THREADING_C defined, single threading implementation required"
626 #endif
627 #undef MBEDTLS_THREADING_IMPL
628 
629 #if defined(MBEDTLS_VERSION_FEATURES) && !defined(MBEDTLS_VERSION_C)
630 #error "MBEDTLS_VERSION_FEATURES defined, but not all prerequisites"
631 #endif
632 
633 #if defined(MBEDTLS_X509_USE_C) && ( !defined(MBEDTLS_BIGNUM_C) ||  \
634     !defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_PARSE_C) ||      \
635     !defined(MBEDTLS_PK_PARSE_C) )
636 #error "MBEDTLS_X509_USE_C defined, but not all prerequisites"
637 #endif
638 
639 #if defined(MBEDTLS_X509_CREATE_C) && ( !defined(MBEDTLS_BIGNUM_C) ||  \
640     !defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_WRITE_C) ||       \
641     !defined(MBEDTLS_PK_WRITE_C) )
642 #error "MBEDTLS_X509_CREATE_C defined, but not all prerequisites"
643 #endif
644 
645 #if defined(MBEDTLS_X509_CRT_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
646 #error "MBEDTLS_X509_CRT_PARSE_C defined, but not all prerequisites"
647 #endif
648 
649 #if defined(MBEDTLS_X509_CRL_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
650 #error "MBEDTLS_X509_CRL_PARSE_C defined, but not all prerequisites"
651 #endif
652 
653 #if defined(MBEDTLS_X509_CSR_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
654 #error "MBEDTLS_X509_CSR_PARSE_C defined, but not all prerequisites"
655 #endif
656 
657 #if defined(MBEDTLS_X509_CRT_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
658 #error "MBEDTLS_X509_CRT_WRITE_C defined, but not all prerequisites"
659 #endif
660 
661 #if defined(MBEDTLS_X509_CSR_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
662 #error "MBEDTLS_X509_CSR_WRITE_C defined, but not all prerequisites"
663 #endif
664 
665 #if defined(MBEDTLS_HAVE_INT32) && defined(MBEDTLS_HAVE_INT64)
666 #error "MBEDTLS_HAVE_INT32 and MBEDTLS_HAVE_INT64 cannot be defined simultaneously"
667 #endif /* MBEDTLS_HAVE_INT32 && MBEDTLS_HAVE_INT64 */
668 
669 #if ( defined(MBEDTLS_HAVE_INT32) || defined(MBEDTLS_HAVE_INT64) ) && \
670     defined(MBEDTLS_HAVE_ASM)
671 #error "MBEDTLS_HAVE_INT32/MBEDTLS_HAVE_INT64 and MBEDTLS_HAVE_ASM cannot be defined simultaneously"
672 #endif /* (MBEDTLS_HAVE_INT32 || MBEDTLS_HAVE_INT64) && MBEDTLS_HAVE_ASM */
673 
674 /*
675  * Avoid warning from -pedantic. This is a convenient place for this
676  * workaround since this is included by every single file before the
677  * #if defined(MBEDTLS_xxx_C) that results in empty translation units.
678  */
679 typedef int mbedtls_iso_c_forbids_empty_translation_units;
680 
681 #endif /* MBEDTLS_CHECK_CONFIG_H */
682