1 /**
2  * \file check_config.h
3  *
4  * \brief Consistency checks for configuration options
5  */
6 /*
7  *  Copyright The Mbed TLS Contributors
8  *  SPDX-License-Identifier: Apache-2.0
9  *
10  *  Licensed under the Apache License, Version 2.0 (the "License"); you may
11  *  not use this file except in compliance with the License.
12  *  You may obtain a copy of the License at
13  *
14  *  http://www.apache.org/licenses/LICENSE-2.0
15  *
16  *  Unless required by applicable law or agreed to in writing, software
17  *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
18  *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19  *  See the License for the specific language governing permissions and
20  *  limitations under the License.
21  */
22 
23 /*
24  * It is recommended to include this file from your config.h
25  * in order to catch dependency issues early.
26  */
27 
28 #ifndef MBEDTLS_CHECK_CONFIG_H
29 #define MBEDTLS_CHECK_CONFIG_H
30 
31 /*
32  * We assume CHAR_BIT is 8 in many places. In practice, this is true on our
33  * target platforms, so not an issue, but let's just be extra sure.
34  */
35 #include <limits.h>
36 #if CHAR_BIT != 8
37 #error "mbed TLS requires a platform with 8-bit chars"
38 #endif
39 
40 #if defined(_WIN32)
41 #if !defined(MBEDTLS_PLATFORM_C)
42 #error "MBEDTLS_PLATFORM_C is required on Windows"
43 #endif
44 
45 /* Fix the config here. Not convenient to put an #ifdef _WIN32 in config.h as
46  * it would confuse config.py. */
47 #if !defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) && \
48     !defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO)
49 #define MBEDTLS_PLATFORM_SNPRINTF_ALT
50 #endif
51 
52 #if !defined(MBEDTLS_PLATFORM_VSNPRINTF_ALT) && \
53     !defined(MBEDTLS_PLATFORM_VSNPRINTF_MACRO)
54 #define MBEDTLS_PLATFORM_VSNPRINTF_ALT
55 #endif
56 #endif /* _WIN32 */
57 
58 #if defined(TARGET_LIKE_MBED) && \
59     ( defined(MBEDTLS_NET_C) || defined(MBEDTLS_TIMING_C) )
60 #error "The NET and TIMING modules are not available for mbed OS - please use the network and timing functions provided by mbed OS"
61 #endif
62 
63 #if defined(MBEDTLS_DEPRECATED_WARNING) && \
64     !defined(__GNUC__) && !defined(__clang__)
65 #error "MBEDTLS_DEPRECATED_WARNING only works with GCC and Clang"
66 #endif
67 
68 #if defined(MBEDTLS_HAVE_TIME_DATE) && !defined(MBEDTLS_HAVE_TIME)
69 #error "MBEDTLS_HAVE_TIME_DATE without MBEDTLS_HAVE_TIME does not make sense"
70 #endif
71 
72 #if defined(MBEDTLS_AESNI_C) && !defined(MBEDTLS_HAVE_ASM)
73 #error "MBEDTLS_AESNI_C defined, but not all prerequisites"
74 #endif
75 
76 #if defined(MBEDTLS_CTR_DRBG_C) && !defined(MBEDTLS_AES_C)
77 #error "MBEDTLS_CTR_DRBG_C defined, but not all prerequisites"
78 #endif
79 
80 #if defined(MBEDTLS_DHM_C) && !defined(MBEDTLS_BIGNUM_C)
81 #error "MBEDTLS_DHM_C defined, but not all prerequisites"
82 #endif
83 
84 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT) && !defined(MBEDTLS_SSL_TRUNCATED_HMAC)
85 #error "MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT defined, but not all prerequisites"
86 #endif
87 
88 #if defined(MBEDTLS_CMAC_C) && \
89     !defined(MBEDTLS_AES_C) && !defined(MBEDTLS_DES_C)
90 #error "MBEDTLS_CMAC_C defined, but not all prerequisites"
91 #endif
92 
93 #if defined(MBEDTLS_NIST_KW_C) && \
94     ( !defined(MBEDTLS_AES_C) || !defined(MBEDTLS_CIPHER_C) )
95 #error "MBEDTLS_NIST_KW_C defined, but not all prerequisites"
96 #endif
97 
98 #if defined(MBEDTLS_ECDH_C) && !defined(MBEDTLS_ECP_C)
99 #error "MBEDTLS_ECDH_C defined, but not all prerequisites"
100 #endif
101 
102 #if defined(MBEDTLS_ECDSA_C) &&            \
103     ( !defined(MBEDTLS_ECP_C) ||           \
104       !( defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED) || \
105          defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED) || \
106          defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) || \
107          defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED) || \
108          defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED) || \
109          defined(MBEDTLS_ECP_DP_SECP192K1_ENABLED) || \
110          defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED) || \
111          defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED) || \
112          defined(MBEDTLS_ECP_DP_BP256R1_ENABLED) ||   \
113          defined(MBEDTLS_ECP_DP_BP384R1_ENABLED) ||   \
114          defined(MBEDTLS_ECP_DP_BP512R1_ENABLED) ) || \
115       !defined(MBEDTLS_ASN1_PARSE_C) ||    \
116       !defined(MBEDTLS_ASN1_WRITE_C) )
117 #error "MBEDTLS_ECDSA_C defined, but not all prerequisites"
118 #endif
119 
120 #if defined(MBEDTLS_ECJPAKE_C) &&           \
121     ( !defined(MBEDTLS_ECP_C) || !defined(MBEDTLS_MD_C) )
122 #error "MBEDTLS_ECJPAKE_C defined, but not all prerequisites"
123 #endif
124 
125 #if defined(MBEDTLS_ECP_RESTARTABLE)           && \
126     ( defined(MBEDTLS_USE_PSA_CRYPTO)          || \
127       defined(MBEDTLS_ECDH_COMPUTE_SHARED_ALT) || \
128       defined(MBEDTLS_ECDH_GEN_PUBLIC_ALT)     || \
129       defined(MBEDTLS_ECDSA_SIGN_ALT)          || \
130       defined(MBEDTLS_ECDSA_VERIFY_ALT)        || \
131       defined(MBEDTLS_ECDSA_GENKEY_ALT)        || \
132       defined(MBEDTLS_ECP_INTERNAL_ALT)        || \
133       defined(MBEDTLS_ECP_ALT) )
134 #error "MBEDTLS_ECP_RESTARTABLE defined, but it cannot coexist with an alternative or PSA-based ECP implementation"
135 #endif
136 
137 #if defined(MBEDTLS_ECP_RESTARTABLE)           && \
138     ! defined(MBEDTLS_ECDH_LEGACY_CONTEXT)
139 #error "MBEDTLS_ECP_RESTARTABLE defined, but not MBEDTLS_ECDH_LEGACY_CONTEXT"
140 #endif
141 
142 #if defined(MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED)           && \
143     defined(MBEDTLS_ECDH_LEGACY_CONTEXT)
144 #error "MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED defined, but MBEDTLS_ECDH_LEGACY_CONTEXT not disabled"
145 #endif
146 
147 #if defined(MBEDTLS_ECDSA_DETERMINISTIC) && !defined(MBEDTLS_HMAC_DRBG_C)
148 #error "MBEDTLS_ECDSA_DETERMINISTIC defined, but not all prerequisites"
149 #endif
150 
151 #if defined(MBEDTLS_ECP_C) && ( !defined(MBEDTLS_BIGNUM_C) || (    \
152     !defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED) &&                  \
153     !defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED) &&                  \
154     !defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) &&                  \
155     !defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED) &&                  \
156     !defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED) &&                  \
157     !defined(MBEDTLS_ECP_DP_BP256R1_ENABLED)   &&                  \
158     !defined(MBEDTLS_ECP_DP_BP384R1_ENABLED)   &&                  \
159     !defined(MBEDTLS_ECP_DP_BP512R1_ENABLED)   &&                  \
160     !defined(MBEDTLS_ECP_DP_SECP192K1_ENABLED) &&                  \
161     !defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED) &&                  \
162     !defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED) &&                  \
163     !defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED) &&                 \
164     !defined(MBEDTLS_ECP_DP_CURVE448_ENABLED) ) )
165 #error "MBEDTLS_ECP_C defined, but not all prerequisites"
166 #endif
167 
168 #if defined(MBEDTLS_ECP_C) && !(            \
169     defined(MBEDTLS_ECP_ALT) ||             \
170     defined(MBEDTLS_CTR_DRBG_C) ||          \
171     defined(MBEDTLS_HMAC_DRBG_C) ||         \
172     defined(MBEDTLS_ECP_NO_INTERNAL_RNG))
173 #error "MBEDTLS_ECP_C requires a DRBG module unless MBEDTLS_ECP_NO_INTERNAL_RNG is defined or an alternative implementation is used"
174 #endif
175 
176 #if defined(MBEDTLS_PK_PARSE_C) && !defined(MBEDTLS_ASN1_PARSE_C)
177 #error "MBEDTLS_PK_PARSE_C defined, but not all prerequesites"
178 #endif
179 
180 #if defined(MBEDTLS_ENTROPY_C) && (!defined(MBEDTLS_SHA512_C) &&      \
181                                     !defined(MBEDTLS_SHA256_C))
182 #error "MBEDTLS_ENTROPY_C defined, but not all prerequisites"
183 #endif
184 #if defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_SHA512_C) &&         \
185     defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 64)
186 #error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
187 #endif
188 #if defined(MBEDTLS_ENTROPY_C) &&                                            \
189     ( !defined(MBEDTLS_SHA512_C) || defined(MBEDTLS_ENTROPY_FORCE_SHA256) ) \
190     && defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 32)
191 #error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
192 #endif
193 #if defined(MBEDTLS_ENTROPY_C) && \
194     defined(MBEDTLS_ENTROPY_FORCE_SHA256) && !defined(MBEDTLS_SHA256_C)
195 #error "MBEDTLS_ENTROPY_FORCE_SHA256 defined, but not all prerequisites"
196 #endif
197 
198 #if defined(__has_feature)
199 #if __has_feature(memory_sanitizer)
200 #define MBEDTLS_HAS_MEMSAN
201 #endif
202 #endif
203 #if defined(MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN) &&  !defined(MBEDTLS_HAS_MEMSAN)
204 #error "MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN requires building with MemorySanitizer"
205 #endif
206 #undef MBEDTLS_HAS_MEMSAN
207 
208 #if defined(MBEDTLS_TEST_NULL_ENTROPY) && \
209     ( !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES) )
210 #error "MBEDTLS_TEST_NULL_ENTROPY defined, but not all prerequisites"
211 #endif
212 #if defined(MBEDTLS_TEST_NULL_ENTROPY) && \
213      ( defined(MBEDTLS_ENTROPY_NV_SEED) || defined(MBEDTLS_ENTROPY_HARDWARE_ALT) || \
214     defined(MBEDTLS_HAVEGE_C) )
215 #error "MBEDTLS_TEST_NULL_ENTROPY defined, but entropy sources too"
216 #endif
217 
218 #if defined(MBEDTLS_GCM_C) && (                                        \
219         !defined(MBEDTLS_AES_C) && !defined(MBEDTLS_CAMELLIA_C) && !defined(MBEDTLS_ARIA_C) )
220 #error "MBEDTLS_GCM_C defined, but not all prerequisites"
221 #endif
222 
223 #if defined(MBEDTLS_ECP_RANDOMIZE_JAC_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
224 #error "MBEDTLS_ECP_RANDOMIZE_JAC_ALT defined, but not all prerequisites"
225 #endif
226 
227 #if defined(MBEDTLS_ECP_ADD_MIXED_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
228 #error "MBEDTLS_ECP_ADD_MIXED_ALT defined, but not all prerequisites"
229 #endif
230 
231 #if defined(MBEDTLS_ECP_DOUBLE_JAC_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
232 #error "MBEDTLS_ECP_DOUBLE_JAC_ALT defined, but not all prerequisites"
233 #endif
234 
235 #if defined(MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
236 #error "MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT defined, but not all prerequisites"
237 #endif
238 
239 #if defined(MBEDTLS_ECP_NORMALIZE_JAC_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
240 #error "MBEDTLS_ECP_NORMALIZE_JAC_ALT defined, but not all prerequisites"
241 #endif
242 
243 #if defined(MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
244 #error "MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT defined, but not all prerequisites"
245 #endif
246 
247 #if defined(MBEDTLS_ECP_RANDOMIZE_MXZ_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
248 #error "MBEDTLS_ECP_RANDOMIZE_MXZ_ALT defined, but not all prerequisites"
249 #endif
250 
251 #if defined(MBEDTLS_ECP_NORMALIZE_MXZ_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
252 #error "MBEDTLS_ECP_NORMALIZE_MXZ_ALT defined, but not all prerequisites"
253 #endif
254 
255 #if defined(MBEDTLS_HAVEGE_C) && !defined(MBEDTLS_TIMING_C)
256 #error "MBEDTLS_HAVEGE_C defined, but not all prerequisites"
257 #endif
258 
259 #if defined(MBEDTLS_HKDF_C) && !defined(MBEDTLS_MD_C)
260 #error "MBEDTLS_HKDF_C defined, but not all prerequisites"
261 #endif
262 
263 #if defined(MBEDTLS_HMAC_DRBG_C) && !defined(MBEDTLS_MD_C)
264 #error "MBEDTLS_HMAC_DRBG_C defined, but not all prerequisites"
265 #endif
266 
267 #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) &&                 \
268     ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_ECDSA_C) ||          \
269       !defined(MBEDTLS_X509_CRT_PARSE_C) )
270 #error "MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED defined, but not all prerequisites"
271 #endif
272 
273 #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) &&                 \
274     ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_RSA_C) ||          \
275       !defined(MBEDTLS_X509_CRT_PARSE_C) )
276 #error "MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED defined, but not all prerequisites"
277 #endif
278 
279 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED) && !defined(MBEDTLS_DHM_C)
280 #error "MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED defined, but not all prerequisites"
281 #endif
282 
283 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) &&                     \
284     !defined(MBEDTLS_ECDH_C)
285 #error "MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED defined, but not all prerequisites"
286 #endif
287 
288 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) &&                   \
289     ( !defined(MBEDTLS_DHM_C) || !defined(MBEDTLS_RSA_C) ||           \
290       !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
291 #error "MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED defined, but not all prerequisites"
292 #endif
293 
294 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) &&                 \
295     ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_RSA_C) ||          \
296       !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
297 #error "MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED defined, but not all prerequisites"
298 #endif
299 
300 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) &&                 \
301     ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_ECDSA_C) ||          \
302       !defined(MBEDTLS_X509_CRT_PARSE_C) )
303 #error "MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED defined, but not all prerequisites"
304 #endif
305 
306 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED) &&                   \
307     ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
308       !defined(MBEDTLS_PKCS1_V15) )
309 #error "MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED defined, but not all prerequisites"
310 #endif
311 
312 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) &&                       \
313     ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
314       !defined(MBEDTLS_PKCS1_V15) )
315 #error "MBEDTLS_KEY_EXCHANGE_RSA_ENABLED defined, but not all prerequisites"
316 #endif
317 
318 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) &&                    \
319     ( !defined(MBEDTLS_ECJPAKE_C) || !defined(MBEDTLS_SHA256_C) ||      \
320       !defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) )
321 #error "MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED defined, but not all prerequisites"
322 #endif
323 
324 #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED) &&        \
325     !defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE) &&              \
326     ( !defined(MBEDTLS_SHA256_C) &&                             \
327       !defined(MBEDTLS_SHA512_C) &&                             \
328       !defined(MBEDTLS_SHA1_C) )
329 #error "!MBEDTLS_SSL_KEEP_PEER_CERTIFICATE requires MBEDTLS_SHA512_C, MBEDTLS_SHA256_C or MBEDTLS_SHA1_C"
330 #endif
331 
332 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) &&                          \
333     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
334 #error "MBEDTLS_MEMORY_BUFFER_ALLOC_C defined, but not all prerequisites"
335 #endif
336 
337 #if defined(MBEDTLS_MEMORY_BACKTRACE) && !defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
338 #error "MBEDTLS_MEMORY_BACKTRACE defined, but not all prerequesites"
339 #endif
340 
341 #if defined(MBEDTLS_MEMORY_DEBUG) && !defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
342 #error "MBEDTLS_MEMORY_DEBUG defined, but not all prerequesites"
343 #endif
344 
345 #if defined(MBEDTLS_PADLOCK_C) && !defined(MBEDTLS_HAVE_ASM)
346 #error "MBEDTLS_PADLOCK_C defined, but not all prerequisites"
347 #endif
348 
349 #if defined(MBEDTLS_PEM_PARSE_C) && !defined(MBEDTLS_BASE64_C)
350 #error "MBEDTLS_PEM_PARSE_C defined, but not all prerequisites"
351 #endif
352 
353 #if defined(MBEDTLS_PEM_WRITE_C) && !defined(MBEDTLS_BASE64_C)
354 #error "MBEDTLS_PEM_WRITE_C defined, but not all prerequisites"
355 #endif
356 
357 #if defined(MBEDTLS_PK_C) && \
358     ( !defined(MBEDTLS_RSA_C) && !defined(MBEDTLS_ECP_C) )
359 #error "MBEDTLS_PK_C defined, but not all prerequisites"
360 #endif
361 
362 #if defined(MBEDTLS_PK_PARSE_C) && !defined(MBEDTLS_PK_C)
363 #error "MBEDTLS_PK_PARSE_C defined, but not all prerequisites"
364 #endif
365 
366 #if defined(MBEDTLS_PK_WRITE_C) && !defined(MBEDTLS_PK_C)
367 #error "MBEDTLS_PK_WRITE_C defined, but not all prerequisites"
368 #endif
369 
370 #if defined(MBEDTLS_PKCS11_C) && !defined(MBEDTLS_PK_C)
371 #error "MBEDTLS_PKCS11_C defined, but not all prerequisites"
372 #endif
373 
374 #if defined(MBEDTLS_PKCS11_C)
375 #if defined(MBEDTLS_DEPRECATED_REMOVED)
376 #error "MBEDTLS_PKCS11_C is deprecated and will be removed in a future version of Mbed TLS"
377 #elif defined(MBEDTLS_DEPRECATED_WARNING)
378 #warning "MBEDTLS_PKCS11_C is deprecated and will be removed in a future version of Mbed TLS"
379 #endif
380 #endif /* MBEDTLS_PKCS11_C */
381 
382 #if defined(MBEDTLS_PLATFORM_EXIT_ALT) && !defined(MBEDTLS_PLATFORM_C)
383 #error "MBEDTLS_PLATFORM_EXIT_ALT defined, but not all prerequisites"
384 #endif
385 
386 #if defined(MBEDTLS_PLATFORM_EXIT_MACRO) && !defined(MBEDTLS_PLATFORM_C)
387 #error "MBEDTLS_PLATFORM_EXIT_MACRO defined, but not all prerequisites"
388 #endif
389 
390 #if defined(MBEDTLS_PLATFORM_EXIT_MACRO) &&\
391     ( defined(MBEDTLS_PLATFORM_STD_EXIT) ||\
392         defined(MBEDTLS_PLATFORM_EXIT_ALT) )
393 #error "MBEDTLS_PLATFORM_EXIT_MACRO and MBEDTLS_PLATFORM_STD_EXIT/MBEDTLS_PLATFORM_EXIT_ALT cannot be defined simultaneously"
394 #endif
395 
396 #if defined(MBEDTLS_PLATFORM_TIME_ALT) &&\
397     ( !defined(MBEDTLS_PLATFORM_C) ||\
398         !defined(MBEDTLS_HAVE_TIME) )
399 #error "MBEDTLS_PLATFORM_TIME_ALT defined, but not all prerequisites"
400 #endif
401 
402 #if defined(MBEDTLS_PLATFORM_TIME_MACRO) &&\
403     ( !defined(MBEDTLS_PLATFORM_C) ||\
404         !defined(MBEDTLS_HAVE_TIME) )
405 #error "MBEDTLS_PLATFORM_TIME_MACRO defined, but not all prerequisites"
406 #endif
407 
408 #if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO) &&\
409     ( !defined(MBEDTLS_PLATFORM_C) ||\
410         !defined(MBEDTLS_HAVE_TIME) )
411 #error "MBEDTLS_PLATFORM_TIME_TYPE_MACRO defined, but not all prerequisites"
412 #endif
413 
414 #if defined(MBEDTLS_PLATFORM_TIME_MACRO) &&\
415     ( defined(MBEDTLS_PLATFORM_STD_TIME) ||\
416         defined(MBEDTLS_PLATFORM_TIME_ALT) )
417 #error "MBEDTLS_PLATFORM_TIME_MACRO and MBEDTLS_PLATFORM_STD_TIME/MBEDTLS_PLATFORM_TIME_ALT cannot be defined simultaneously"
418 #endif
419 
420 #if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO) &&\
421     ( defined(MBEDTLS_PLATFORM_STD_TIME) ||\
422         defined(MBEDTLS_PLATFORM_TIME_ALT) )
423 #error "MBEDTLS_PLATFORM_TIME_TYPE_MACRO and MBEDTLS_PLATFORM_STD_TIME/MBEDTLS_PLATFORM_TIME_ALT cannot be defined simultaneously"
424 #endif
425 
426 #if defined(MBEDTLS_PLATFORM_FPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
427 #error "MBEDTLS_PLATFORM_FPRINTF_ALT defined, but not all prerequisites"
428 #endif
429 
430 #if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
431 #error "MBEDTLS_PLATFORM_FPRINTF_MACRO defined, but not all prerequisites"
432 #endif
433 
434 #if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) &&\
435     ( defined(MBEDTLS_PLATFORM_STD_FPRINTF) ||\
436         defined(MBEDTLS_PLATFORM_FPRINTF_ALT) )
437 #error "MBEDTLS_PLATFORM_FPRINTF_MACRO and MBEDTLS_PLATFORM_STD_FPRINTF/MBEDTLS_PLATFORM_FPRINTF_ALT cannot be defined simultaneously"
438 #endif
439 
440 #if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
441     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
442 #error "MBEDTLS_PLATFORM_FREE_MACRO defined, but not all prerequisites"
443 #endif
444 
445 #if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
446     defined(MBEDTLS_PLATFORM_STD_FREE)
447 #error "MBEDTLS_PLATFORM_FREE_MACRO and MBEDTLS_PLATFORM_STD_FREE cannot be defined simultaneously"
448 #endif
449 
450 #if defined(MBEDTLS_PLATFORM_FREE_MACRO) && !defined(MBEDTLS_PLATFORM_CALLOC_MACRO)
451 #error "MBEDTLS_PLATFORM_CALLOC_MACRO must be defined if MBEDTLS_PLATFORM_FREE_MACRO is"
452 #endif
453 
454 #if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
455     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
456 #error "MBEDTLS_PLATFORM_CALLOC_MACRO defined, but not all prerequisites"
457 #endif
458 
459 #if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
460     defined(MBEDTLS_PLATFORM_STD_CALLOC)
461 #error "MBEDTLS_PLATFORM_CALLOC_MACRO and MBEDTLS_PLATFORM_STD_CALLOC cannot be defined simultaneously"
462 #endif
463 
464 #if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) && !defined(MBEDTLS_PLATFORM_FREE_MACRO)
465 #error "MBEDTLS_PLATFORM_FREE_MACRO must be defined if MBEDTLS_PLATFORM_CALLOC_MACRO is"
466 #endif
467 
468 #if defined(MBEDTLS_PLATFORM_MEMORY) && !defined(MBEDTLS_PLATFORM_C)
469 #error "MBEDTLS_PLATFORM_MEMORY defined, but not all prerequisites"
470 #endif
471 
472 #if defined(MBEDTLS_PLATFORM_PRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
473 #error "MBEDTLS_PLATFORM_PRINTF_ALT defined, but not all prerequisites"
474 #endif
475 
476 #if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
477 #error "MBEDTLS_PLATFORM_PRINTF_MACRO defined, but not all prerequisites"
478 #endif
479 
480 #if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) &&\
481     ( defined(MBEDTLS_PLATFORM_STD_PRINTF) ||\
482         defined(MBEDTLS_PLATFORM_PRINTF_ALT) )
483 #error "MBEDTLS_PLATFORM_PRINTF_MACRO and MBEDTLS_PLATFORM_STD_PRINTF/MBEDTLS_PLATFORM_PRINTF_ALT cannot be defined simultaneously"
484 #endif
485 
486 #if defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
487 #error "MBEDTLS_PLATFORM_SNPRINTF_ALT defined, but not all prerequisites"
488 #endif
489 
490 #if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
491 #error "MBEDTLS_PLATFORM_SNPRINTF_MACRO defined, but not all prerequisites"
492 #endif
493 
494 #if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) &&\
495     ( defined(MBEDTLS_PLATFORM_STD_SNPRINTF) ||\
496         defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) )
497 #error "MBEDTLS_PLATFORM_SNPRINTF_MACRO and MBEDTLS_PLATFORM_STD_SNPRINTF/MBEDTLS_PLATFORM_SNPRINTF_ALT cannot be defined simultaneously"
498 #endif
499 
500 #if defined(MBEDTLS_PLATFORM_STD_MEM_HDR) &&\
501     !defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS)
502 #error "MBEDTLS_PLATFORM_STD_MEM_HDR defined, but not all prerequisites"
503 #endif
504 
505 #if defined(MBEDTLS_PLATFORM_STD_CALLOC) && !defined(MBEDTLS_PLATFORM_MEMORY)
506 #error "MBEDTLS_PLATFORM_STD_CALLOC defined, but not all prerequisites"
507 #endif
508 
509 #if defined(MBEDTLS_PLATFORM_STD_CALLOC) && !defined(MBEDTLS_PLATFORM_MEMORY)
510 #error "MBEDTLS_PLATFORM_STD_CALLOC defined, but not all prerequisites"
511 #endif
512 
513 #if defined(MBEDTLS_PLATFORM_STD_FREE) && !defined(MBEDTLS_PLATFORM_MEMORY)
514 #error "MBEDTLS_PLATFORM_STD_FREE defined, but not all prerequisites"
515 #endif
516 
517 #if defined(MBEDTLS_PLATFORM_STD_EXIT) &&\
518     !defined(MBEDTLS_PLATFORM_EXIT_ALT)
519 #error "MBEDTLS_PLATFORM_STD_EXIT defined, but not all prerequisites"
520 #endif
521 
522 #if defined(MBEDTLS_PLATFORM_STD_TIME) &&\
523     ( !defined(MBEDTLS_PLATFORM_TIME_ALT) ||\
524         !defined(MBEDTLS_HAVE_TIME) )
525 #error "MBEDTLS_PLATFORM_STD_TIME defined, but not all prerequisites"
526 #endif
527 
528 #if defined(MBEDTLS_PLATFORM_STD_FPRINTF) &&\
529     !defined(MBEDTLS_PLATFORM_FPRINTF_ALT)
530 #error "MBEDTLS_PLATFORM_STD_FPRINTF defined, but not all prerequisites"
531 #endif
532 
533 #if defined(MBEDTLS_PLATFORM_STD_PRINTF) &&\
534     !defined(MBEDTLS_PLATFORM_PRINTF_ALT)
535 #error "MBEDTLS_PLATFORM_STD_PRINTF defined, but not all prerequisites"
536 #endif
537 
538 #if defined(MBEDTLS_PLATFORM_STD_SNPRINTF) &&\
539     !defined(MBEDTLS_PLATFORM_SNPRINTF_ALT)
540 #error "MBEDTLS_PLATFORM_STD_SNPRINTF defined, but not all prerequisites"
541 #endif
542 
543 #if defined(MBEDTLS_ENTROPY_NV_SEED) &&\
544     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_ENTROPY_C) )
545 #error "MBEDTLS_ENTROPY_NV_SEED defined, but not all prerequisites"
546 #endif
547 
548 #if defined(MBEDTLS_PLATFORM_NV_SEED_ALT) &&\
549     !defined(MBEDTLS_ENTROPY_NV_SEED)
550 #error "MBEDTLS_PLATFORM_NV_SEED_ALT defined, but not all prerequisites"
551 #endif
552 
553 #if defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ) &&\
554     !defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
555 #error "MBEDTLS_PLATFORM_STD_NV_SEED_READ defined, but not all prerequisites"
556 #endif
557 
558 #if defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE) &&\
559     !defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
560 #error "MBEDTLS_PLATFORM_STD_NV_SEED_WRITE defined, but not all prerequisites"
561 #endif
562 
563 #if defined(MBEDTLS_PLATFORM_NV_SEED_READ_MACRO) &&\
564     ( defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ) ||\
565       defined(MBEDTLS_PLATFORM_NV_SEED_ALT) )
566 #error "MBEDTLS_PLATFORM_NV_SEED_READ_MACRO and MBEDTLS_PLATFORM_STD_NV_SEED_READ cannot be defined simultaneously"
567 #endif
568 
569 #if defined(MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO) &&\
570     ( defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE) ||\
571       defined(MBEDTLS_PLATFORM_NV_SEED_ALT) )
572 #error "MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO and MBEDTLS_PLATFORM_STD_NV_SEED_WRITE cannot be defined simultaneously"
573 #endif
574 
575 #if defined(MBEDTLS_PSA_CRYPTO_C) &&            \
576     !( defined(MBEDTLS_CTR_DRBG_C) &&           \
577        defined(MBEDTLS_ENTROPY_C) )
578 #error "MBEDTLS_PSA_CRYPTO_C defined, but not all prerequisites"
579 #endif
580 
581 #if defined(MBEDTLS_PSA_CRYPTO_SPM) && !defined(MBEDTLS_PSA_CRYPTO_C)
582 #error "MBEDTLS_PSA_CRYPTO_SPM defined, but not all prerequisites"
583 #endif
584 
585 #if defined(MBEDTLS_PSA_CRYPTO_SE_C) &&    \
586     ! ( defined(MBEDTLS_PSA_CRYPTO_C) && \
587         defined(MBEDTLS_PSA_CRYPTO_STORAGE_C) )
588 #error "MBEDTLS_PSA_CRYPTO_SE_C defined, but not all prerequisites"
589 #endif
590 
591 #if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C) &&            \
592     ! defined(MBEDTLS_PSA_CRYPTO_C)
593 #error "MBEDTLS_PSA_CRYPTO_STORAGE_C defined, but not all prerequisites"
594 #endif
595 
596 #if defined(MBEDTLS_PSA_INJECT_ENTROPY) &&      \
597     !( defined(MBEDTLS_PSA_CRYPTO_STORAGE_C) && \
598        defined(MBEDTLS_ENTROPY_NV_SEED) )
599 #error "MBEDTLS_PSA_INJECT_ENTROPY defined, but not all prerequisites"
600 #endif
601 
602 #if defined(MBEDTLS_PSA_INJECT_ENTROPY) &&              \
603     !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES)
604 #error "MBEDTLS_PSA_INJECT_ENTROPY is not compatible with actual entropy sources"
605 #endif
606 
607 #if defined(MBEDTLS_PSA_ITS_FILE_C) && \
608     !defined(MBEDTLS_FS_IO)
609 #error "MBEDTLS_PSA_ITS_FILE_C defined, but not all prerequisites"
610 #endif
611 
612 #if defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER) && \
613     defined(MBEDTLS_USE_PSA_CRYPTO)
614 #error "MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER defined, but it cannot coexist with MBEDTLS_USE_PSA_CRYPTO."
615 #endif
616 
617 #if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_BIGNUM_C) ||         \
618     !defined(MBEDTLS_OID_C) )
619 #error "MBEDTLS_RSA_C defined, but not all prerequisites"
620 #endif
621 
622 #if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_PKCS1_V21) &&         \
623     !defined(MBEDTLS_PKCS1_V15) )
624 #error "MBEDTLS_RSA_C defined, but none of the PKCS1 versions enabled"
625 #endif
626 
627 #if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT) &&                        \
628     ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_PKCS1_V21) )
629 #error "MBEDTLS_X509_RSASSA_PSS_SUPPORT defined, but not all prerequisites"
630 #endif
631 
632 #if defined(MBEDTLS_SHA512_NO_SHA384) && !defined(MBEDTLS_SHA512_C)
633 #error "MBEDTLS_SHA512_NO_SHA384 defined without MBEDTLS_SHA512_C"
634 #endif
635 
636 #if defined(MBEDTLS_SSL_PROTO_SSL3) && ( !defined(MBEDTLS_MD5_C) ||     \
637     !defined(MBEDTLS_SHA1_C) )
638 #error "MBEDTLS_SSL_PROTO_SSL3 defined, but not all prerequisites"
639 #endif
640 
641 #if defined(MBEDTLS_SSL_PROTO_TLS1) && ( !defined(MBEDTLS_MD5_C) ||     \
642     !defined(MBEDTLS_SHA1_C) )
643 #error "MBEDTLS_SSL_PROTO_TLS1 defined, but not all prerequisites"
644 #endif
645 
646 #if defined(MBEDTLS_SSL_PROTO_TLS1_1) && ( !defined(MBEDTLS_MD5_C) ||     \
647     !defined(MBEDTLS_SHA1_C) )
648 #error "MBEDTLS_SSL_PROTO_TLS1_1 defined, but not all prerequisites"
649 #endif
650 
651 #if defined(MBEDTLS_SSL_PROTO_TLS1_2) && ( !defined(MBEDTLS_SHA1_C) &&     \
652     !defined(MBEDTLS_SHA256_C) && !defined(MBEDTLS_SHA512_C) )
653 #error "MBEDTLS_SSL_PROTO_TLS1_2 defined, but not all prerequisites"
654 #endif
655 
656 #if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL) && ( !defined(MBEDTLS_HKDF_C) && \
657     !defined(MBEDTLS_SHA256_C) && !defined(MBEDTLS_SHA512_C) )
658 #error "MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL defined, but not all prerequisites"
659 #endif
660 
661 #if (defined(MBEDTLS_SSL_PROTO_SSL3) || defined(MBEDTLS_SSL_PROTO_TLS1) ||  \
662      defined(MBEDTLS_SSL_PROTO_TLS1_1) || defined(MBEDTLS_SSL_PROTO_TLS1_2)) && \
663     !(defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) ||                          \
664       defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) ||                      \
665       defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                    \
666       defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                  \
667       defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||                     \
668       defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) ||                   \
669       defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED) ||                          \
670       defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED) ||                      \
671       defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED) ||                      \
672       defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) ||                    \
673       defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) )
674 #error "One or more versions of the TLS protocol are enabled " \
675         "but no key exchange methods defined with MBEDTLS_KEY_EXCHANGE_xxxx"
676 #endif
677 
678 #if defined(MBEDTLS_SSL_PROTO_DTLS)     && \
679     !defined(MBEDTLS_SSL_PROTO_TLS1_1)  && \
680     !defined(MBEDTLS_SSL_PROTO_TLS1_2)
681 #error "MBEDTLS_SSL_PROTO_DTLS defined, but not all prerequisites"
682 #endif
683 
684 #if defined(MBEDTLS_SSL_CLI_C) && !defined(MBEDTLS_SSL_TLS_C)
685 #error "MBEDTLS_SSL_CLI_C defined, but not all prerequisites"
686 #endif
687 
688 #if defined(MBEDTLS_SSL_TLS_C) && ( !defined(MBEDTLS_CIPHER_C) ||     \
689     !defined(MBEDTLS_MD_C) )
690 #error "MBEDTLS_SSL_TLS_C defined, but not all prerequisites"
691 #endif
692 
693 #if defined(MBEDTLS_SSL_SRV_C) && !defined(MBEDTLS_SSL_TLS_C)
694 #error "MBEDTLS_SSL_SRV_C defined, but not all prerequisites"
695 #endif
696 
697 #if defined(MBEDTLS_SSL_TLS_C) && (!defined(MBEDTLS_SSL_PROTO_SSL3) && \
698     !defined(MBEDTLS_SSL_PROTO_TLS1) && !defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
699     !defined(MBEDTLS_SSL_PROTO_TLS1_2))
700 #error "MBEDTLS_SSL_TLS_C defined, but no protocols are active"
701 #endif
702 
703 #if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
704     defined(MBEDTLS_SSL_PROTO_TLS1_1) && !defined(MBEDTLS_SSL_PROTO_TLS1))
705 #error "Illegal protocol selection"
706 #endif
707 
708 #if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_TLS1) && \
709     defined(MBEDTLS_SSL_PROTO_TLS1_2) && !defined(MBEDTLS_SSL_PROTO_TLS1_1))
710 #error "Illegal protocol selection"
711 #endif
712 
713 #if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
714     defined(MBEDTLS_SSL_PROTO_TLS1_2) && (!defined(MBEDTLS_SSL_PROTO_TLS1) || \
715     !defined(MBEDTLS_SSL_PROTO_TLS1_1)))
716 #error "Illegal protocol selection"
717 #endif
718 
719 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && !defined(MBEDTLS_SSL_PROTO_DTLS)
720 #error "MBEDTLS_SSL_DTLS_HELLO_VERIFY  defined, but not all prerequisites"
721 #endif
722 
723 #if defined(MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE) && \
724     !defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
725 #error "MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE  defined, but not all prerequisites"
726 #endif
727 
728 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY) &&                              \
729     ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
730 #error "MBEDTLS_SSL_DTLS_ANTI_REPLAY  defined, but not all prerequisites"
731 #endif
732 
733 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) &&                              \
734     ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
735 #error "MBEDTLS_SSL_DTLS_CONNECTION_ID  defined, but not all prerequisites"
736 #endif
737 
738 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)            &&                 \
739     defined(MBEDTLS_SSL_CID_IN_LEN_MAX) &&                 \
740     MBEDTLS_SSL_CID_IN_LEN_MAX > 255
741 #error "MBEDTLS_SSL_CID_IN_LEN_MAX too large (max 255)"
742 #endif
743 
744 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)            &&                  \
745     defined(MBEDTLS_SSL_CID_OUT_LEN_MAX) &&                 \
746     MBEDTLS_SSL_CID_OUT_LEN_MAX > 255
747 #error "MBEDTLS_SSL_CID_OUT_LEN_MAX too large (max 255)"
748 #endif
749 
750 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT) &&                              \
751     ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
752 #error "MBEDTLS_SSL_DTLS_BADMAC_LIMIT  defined, but not all prerequisites"
753 #endif
754 
755 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) &&   \
756     !defined(MBEDTLS_SSL_PROTO_TLS1)   &&      \
757     !defined(MBEDTLS_SSL_PROTO_TLS1_1) &&      \
758     !defined(MBEDTLS_SSL_PROTO_TLS1_2)
759 #error "MBEDTLS_SSL_ENCRYPT_THEN_MAC defined, but not all prerequsites"
760 #endif
761 
762 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) && \
763     !defined(MBEDTLS_SSL_PROTO_TLS1)   &&          \
764     !defined(MBEDTLS_SSL_PROTO_TLS1_1) &&          \
765     !defined(MBEDTLS_SSL_PROTO_TLS1_2)
766 #error "MBEDTLS_SSL_EXTENDED_MASTER_SECRET defined, but not all prerequsites"
767 #endif
768 
769 #if defined(MBEDTLS_SSL_TICKET_C) && !defined(MBEDTLS_CIPHER_C)
770 #error "MBEDTLS_SSL_TICKET_C defined, but not all prerequisites"
771 #endif
772 
773 #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING) && \
774     !defined(MBEDTLS_SSL_PROTO_SSL3) && !defined(MBEDTLS_SSL_PROTO_TLS1)
775 #error "MBEDTLS_SSL_CBC_RECORD_SPLITTING defined, but not all prerequisites"
776 #endif
777 
778 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && \
779         !defined(MBEDTLS_X509_CRT_PARSE_C)
780 #error "MBEDTLS_SSL_SERVER_NAME_INDICATION defined, but not all prerequisites"
781 #endif
782 
783 #if defined(MBEDTLS_THREADING_PTHREAD)
784 #if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
785 #error "MBEDTLS_THREADING_PTHREAD defined, but not all prerequisites"
786 #endif
787 #define MBEDTLS_THREADING_IMPL
788 #endif
789 
790 #if defined(MBEDTLS_THREADING_ALT)
791 #if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
792 #error "MBEDTLS_THREADING_ALT defined, but not all prerequisites"
793 #endif
794 #define MBEDTLS_THREADING_IMPL
795 #endif
796 
797 #if defined(MBEDTLS_THREADING_C) && !defined(MBEDTLS_THREADING_IMPL)
798 #error "MBEDTLS_THREADING_C defined, single threading implementation required"
799 #endif
800 #undef MBEDTLS_THREADING_IMPL
801 
802 #if defined(MBEDTLS_USE_PSA_CRYPTO) && !defined(MBEDTLS_PSA_CRYPTO_C)
803 #error "MBEDTLS_USE_PSA_CRYPTO defined, but not all prerequisites"
804 #endif
805 
806 #if defined(MBEDTLS_VERSION_FEATURES) && !defined(MBEDTLS_VERSION_C)
807 #error "MBEDTLS_VERSION_FEATURES defined, but not all prerequisites"
808 #endif
809 
810 #if defined(MBEDTLS_X509_USE_C) && ( !defined(MBEDTLS_BIGNUM_C) ||  \
811     !defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_PARSE_C) ||      \
812     !defined(MBEDTLS_PK_PARSE_C) )
813 #error "MBEDTLS_X509_USE_C defined, but not all prerequisites"
814 #endif
815 
816 #if defined(MBEDTLS_X509_CREATE_C) && ( !defined(MBEDTLS_BIGNUM_C) ||  \
817     !defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_WRITE_C) ||       \
818     !defined(MBEDTLS_PK_WRITE_C) )
819 #error "MBEDTLS_X509_CREATE_C defined, but not all prerequisites"
820 #endif
821 
822 #if defined(MBEDTLS_CERTS_C) && !defined(MBEDTLS_X509_USE_C)
823 #error "MBEDTLS_CERTS_C defined, but not all prerequisites"
824 #endif
825 
826 #if defined(MBEDTLS_X509_CRT_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
827 #error "MBEDTLS_X509_CRT_PARSE_C defined, but not all prerequisites"
828 #endif
829 
830 #if defined(MBEDTLS_X509_CRL_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
831 #error "MBEDTLS_X509_CRL_PARSE_C defined, but not all prerequisites"
832 #endif
833 
834 #if defined(MBEDTLS_X509_CSR_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
835 #error "MBEDTLS_X509_CSR_PARSE_C defined, but not all prerequisites"
836 #endif
837 
838 #if defined(MBEDTLS_X509_CRT_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
839 #error "MBEDTLS_X509_CRT_WRITE_C defined, but not all prerequisites"
840 #endif
841 
842 #if defined(MBEDTLS_X509_CSR_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
843 #error "MBEDTLS_X509_CSR_WRITE_C defined, but not all prerequisites"
844 #endif
845 
846 #if defined(MBEDTLS_HAVE_INT32) && defined(MBEDTLS_HAVE_INT64)
847 #error "MBEDTLS_HAVE_INT32 and MBEDTLS_HAVE_INT64 cannot be defined simultaneously"
848 #endif /* MBEDTLS_HAVE_INT32 && MBEDTLS_HAVE_INT64 */
849 
850 #if ( defined(MBEDTLS_HAVE_INT32) || defined(MBEDTLS_HAVE_INT64) ) && \
851     defined(MBEDTLS_HAVE_ASM)
852 #error "MBEDTLS_HAVE_INT32/MBEDTLS_HAVE_INT64 and MBEDTLS_HAVE_ASM cannot be defined simultaneously"
853 #endif /* (MBEDTLS_HAVE_INT32 || MBEDTLS_HAVE_INT64) && MBEDTLS_HAVE_ASM */
854 
855 #if defined(MBEDTLS_SSL_PROTO_SSL3)
856 #if defined(MBEDTLS_DEPRECATED_REMOVED)
857 #error "MBEDTLS_SSL_PROTO_SSL3 is deprecated and will be removed in a future version of Mbed TLS"
858 #elif defined(MBEDTLS_DEPRECATED_WARNING)
859 #warning "MBEDTLS_SSL_PROTO_SSL3 is deprecated and will be removed in a future version of Mbed TLS"
860 #endif
861 #endif /* MBEDTLS_SSL_PROTO_SSL3 */
862 
863 #if defined(MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO)
864 #if defined(MBEDTLS_DEPRECATED_REMOVED)
865 #error "MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO is deprecated and will be removed in a future version of Mbed TLS"
866 #elif defined(MBEDTLS_DEPRECATED_WARNING)
867 #warning "MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO is deprecated and will be removed in a future version of Mbed TLS"
868 #endif
869 #endif /* MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO */
870 
871 #if defined(MBEDTLS_SSL_HW_RECORD_ACCEL)
872 #if defined(MBEDTLS_DEPRECATED_REMOVED)
873 #error "MBEDTLS_SSL_HW_RECORD_ACCEL is deprecated and will be removed in a future version of Mbed TLS"
874 #elif defined(MBEDTLS_DEPRECATED_WARNING)
875 #warning "MBEDTLS_SSL_HW_RECORD_ACCEL is deprecated and will be removed in a future version of Mbed TLS"
876 #endif /* MBEDTLS_DEPRECATED_REMOVED */
877 #endif /* MBEDTLS_SSL_HW_RECORD_ACCEL */
878 
879 #if defined(MBEDTLS_SSL_DTLS_SRTP) && ( !defined(MBEDTLS_SSL_PROTO_DTLS) )
880 #error "MBEDTLS_SSL_DTLS_SRTP defined, but not all prerequisites"
881 #endif
882 
883 /*
884  * Avoid warning from -pedantic. This is a convenient place for this
885  * workaround since this is included by every single file before the
886  * #if defined(MBEDTLS_xxx_C) that results in empty translation units.
887  */
888 typedef int mbedtls_iso_c_forbids_empty_translation_units;
889 
890 #endif /* MBEDTLS_CHECK_CONFIG_H */
891