1 /**
2  * \file check_config.h
3  *
4  * \brief Consistency checks for configuration options
5  *
6  * This is an internal header. Do not include it directly.
7  *
8  * This header is included automatically by all public Mbed TLS headers
9  * (via mbedtls/build_info.h). Do not include it directly in a configuration
10  * file such as mbedtls/mbedtls_config.h or #MBEDTLS_USER_CONFIG_FILE!
11  * It would run at the wrong time due to missing derived symbols.
12  */
13 /*
14  *  Copyright The Mbed TLS Contributors
15  *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
16  */
17 
18 #ifndef MBEDTLS_CHECK_CONFIG_H
19 #define MBEDTLS_CHECK_CONFIG_H
20 
21 /* *INDENT-OFF* */
22 
23 #if !defined(MBEDTLS_CONFIG_IS_FINALIZED)
24 #warning "Do not include mbedtls/check_config.h manually! " \
25          "This may cause spurious errors. " \
26          "It is included automatically at the right point since Mbed TLS 3.0."
27 #endif /* !MBEDTLS_CONFIG_IS_FINALIZED */
28 
29 /*
30  * We assume CHAR_BIT is 8 in many places. In practice, this is true on our
31  * target platforms, so not an issue, but let's just be extra sure.
32  */
33 #include <limits.h>
34 #if CHAR_BIT != 8
35 #error "Mbed TLS requires a platform with 8-bit chars"
36 #endif
37 
38 #include <stdint.h>
39 
40 #if defined(__MINGW32__) || (defined(_MSC_VER) && _MSC_VER <= 1900)
41 #if !defined(MBEDTLS_PLATFORM_C)
42 #error "MBEDTLS_PLATFORM_C is required on Windows"
43 #endif
44 /* See auto-enabling SNPRINTF_ALT and VSNPRINTF_ALT
45  * in * config_adjust_legacy_crypto.h */
46 #endif /* _MINGW32__ || (_MSC_VER && (_MSC_VER <= 1900)) */
47 
48 #if defined(TARGET_LIKE_MBED) && defined(MBEDTLS_NET_C)
49 #error "The NET module is not available for mbed OS - please use the network functions provided by Mbed OS"
50 #endif
51 
52 #if defined(MBEDTLS_DEPRECATED_WARNING) && \
53     !defined(__GNUC__) && !defined(__clang__)
54 #error "MBEDTLS_DEPRECATED_WARNING only works with GCC and Clang"
55 #endif
56 
57 #if defined(MBEDTLS_HAVE_TIME_DATE) && !defined(MBEDTLS_HAVE_TIME)
58 #error "MBEDTLS_HAVE_TIME_DATE without MBEDTLS_HAVE_TIME does not make sense"
59 #endif
60 
61 /* Limitations on ECC key types acceleration: if we have any of `PUBLIC_KEY`,
62  * `KEY_PAIR_BASIC`, `KEY_PAIR_IMPORT`, `KEY_PAIR_EXPORT` then we must have
63  * all 4 of them.
64  */
65 #if defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_PUBLIC_KEY) || \
66     defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_BASIC) || \
67     defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_IMPORT) || \
68     defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_EXPORT)
69 #if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_PUBLIC_KEY) || \
70     !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_BASIC) || \
71     !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_IMPORT) || \
72     !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_EXPORT)
73 #error "Unsupported partial support for ECC key type acceleration, see docs/driver-only-builds.md"
74 #endif /* not all of public, basic, import, export */
75 #endif /* one of public, basic, import, export */
76 
77 /* Limitations on ECC curves acceleration: partial curve acceleration is only
78  * supported with crypto excluding PK, X.509 or TLS.
79  * Note: no need to check X.509 as it depends on PK. */
80 #if defined(MBEDTLS_PSA_ACCEL_ECC_BRAINPOOL_P_R1_256) || \
81     defined(MBEDTLS_PSA_ACCEL_ECC_BRAINPOOL_P_R1_384) || \
82     defined(MBEDTLS_PSA_ACCEL_ECC_BRAINPOOL_P_R1_512) || \
83     defined(MBEDTLS_PSA_ACCEL_ECC_MONTGOMERY_255) || \
84     defined(MBEDTLS_PSA_ACCEL_ECC_MONTGOMERY_448) || \
85     defined(MBEDTLS_PSA_ACCEL_ECC_SECP_K1_192) || \
86     defined(MBEDTLS_PSA_ACCEL_ECC_SECP_K1_224) || \
87     defined(MBEDTLS_PSA_ACCEL_ECC_SECP_K1_256) || \
88     defined(MBEDTLS_PSA_ACCEL_ECC_SECP_R1_192) || \
89     defined(MBEDTLS_PSA_ACCEL_ECC_SECP_R1_224) || \
90     defined(MBEDTLS_PSA_ACCEL_ECC_SECP_R1_256) || \
91     defined(MBEDTLS_PSA_ACCEL_ECC_SECP_R1_384) || \
92     defined(MBEDTLS_PSA_ACCEL_ECC_SECP_R1_521)
93 #if defined(MBEDTLS_PSA_ECC_ACCEL_INCOMPLETE_CURVES)
94 #if defined(MBEDTLS_PK_C) || \
95     defined(MBEDTLS_SSL_TLS_C)
96 #error "Unsupported partial support for ECC curves acceleration, see docs/driver-only-builds.md"
97 #endif /* modules beyond what's supported */
98 #endif /* not all curves accelerated */
99 #endif /* some curve accelerated */
100 
101 #if defined(MBEDTLS_CTR_DRBG_C) && !(defined(MBEDTLS_AES_C) || \
102     (defined(MBEDTLS_PSA_CRYPTO_CLIENT) && defined(PSA_WANT_KEY_TYPE_AES) && \
103     defined(PSA_WANT_ALG_ECB_NO_PADDING)))
104 #error "MBEDTLS_CTR_DRBG_C defined, but not all prerequisites"
105 #endif
106 
107 #if defined(MBEDTLS_DHM_C) && !defined(MBEDTLS_BIGNUM_C)
108 #error "MBEDTLS_DHM_C defined, but not all prerequisites"
109 #endif
110 
111 #if defined(MBEDTLS_CMAC_C) && \
112     ( !defined(MBEDTLS_CIPHER_C ) || ( !defined(MBEDTLS_AES_C) && !defined(MBEDTLS_DES_C) ) )
113 #error "MBEDTLS_CMAC_C defined, but not all prerequisites"
114 #endif
115 
116 #if defined(MBEDTLS_NIST_KW_C) && \
117     ( !defined(MBEDTLS_AES_C) || !defined(MBEDTLS_CIPHER_C) )
118 #error "MBEDTLS_NIST_KW_C defined, but not all prerequisites"
119 #endif
120 
121 #if defined(MBEDTLS_BLOCK_CIPHER_NO_DECRYPT) && defined(MBEDTLS_PSA_CRYPTO_CONFIG)
122 #if defined(PSA_WANT_ALG_CBC_NO_PADDING)
123 #error "MBEDTLS_BLOCK_CIPHER_NO_DECRYPT and PSA_WANT_ALG_CBC_NO_PADDING cannot be defined simultaneously"
124 #endif
125 #if defined(PSA_WANT_ALG_CBC_PKCS7)
126 #error "MBEDTLS_BLOCK_CIPHER_NO_DECRYPT and PSA_WANT_ALG_CBC_PKCS7 cannot be defined simultaneously"
127 #endif
128 #if defined(PSA_WANT_ALG_ECB_NO_PADDING)
129 #error "MBEDTLS_BLOCK_CIPHER_NO_DECRYPT and PSA_WANT_ALG_ECB_NO_PADDING cannot be defined simultaneously"
130 #endif
131 #if defined(PSA_WANT_KEY_TYPE_DES)
132 #error "MBEDTLS_BLOCK_CIPHER_NO_DECRYPT and PSA_WANT_KEY_TYPE_DES cannot be defined simultaneously"
133 #endif
134 #endif
135 
136 #if defined(MBEDTLS_BLOCK_CIPHER_NO_DECRYPT)
137 #if defined(MBEDTLS_CIPHER_MODE_CBC)
138 #error "MBEDTLS_BLOCK_CIPHER_NO_DECRYPT and MBEDTLS_CIPHER_MODE_CBC cannot be defined simultaneously"
139 #endif
140 #if defined(MBEDTLS_CIPHER_MODE_XTS)
141 #error "MBEDTLS_BLOCK_CIPHER_NO_DECRYPT and MBEDTLS_CIPHER_MODE_XTS cannot be defined simultaneously"
142 #endif
143 #if defined(MBEDTLS_DES_C)
144 #error "MBEDTLS_BLOCK_CIPHER_NO_DECRYPT and MBEDTLS_DES_C cannot be defined simultaneously"
145 #endif
146 #if defined(MBEDTLS_NIST_KW_C)
147 #error "MBEDTLS_BLOCK_CIPHER_NO_DECRYPT and MBEDTLS_NIST_KW_C cannot be defined simultaneously"
148 #endif
149 #endif
150 
151 #if defined(MBEDTLS_ECDH_C) && !defined(MBEDTLS_ECP_C)
152 #error "MBEDTLS_ECDH_C defined, but not all prerequisites"
153 #endif
154 
155 #if defined(MBEDTLS_ECDSA_C) &&            \
156     ( !defined(MBEDTLS_ECP_C) ||           \
157       !( defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED) || \
158          defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED) || \
159          defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) || \
160          defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED) || \
161          defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED) || \
162          defined(MBEDTLS_ECP_DP_SECP192K1_ENABLED) || \
163          defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED) || \
164          defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED) || \
165          defined(MBEDTLS_ECP_DP_BP256R1_ENABLED) ||   \
166          defined(MBEDTLS_ECP_DP_BP384R1_ENABLED) ||   \
167          defined(MBEDTLS_ECP_DP_BP512R1_ENABLED) ) || \
168       !defined(MBEDTLS_ASN1_PARSE_C) ||    \
169       !defined(MBEDTLS_ASN1_WRITE_C) )
170 #error "MBEDTLS_ECDSA_C defined, but not all prerequisites"
171 #endif
172 
173 #if defined(MBEDTLS_PK_C) && defined(MBEDTLS_USE_PSA_CRYPTO)
174 #if defined(MBEDTLS_PK_CAN_ECDSA_SIGN) && !defined(MBEDTLS_ASN1_WRITE_C)
175 #error "MBEDTLS_PK_C with MBEDTLS_USE_PSA_CRYPTO needs MBEDTLS_ASN1_WRITE_C for ECDSA signature"
176 #endif
177 #if defined(MBEDTLS_PK_CAN_ECDSA_VERIFY) && !defined(MBEDTLS_ASN1_PARSE_C)
178 #error "MBEDTLS_PK_C with MBEDTLS_USE_PSA_CRYPTO needs MBEDTLS_ASN1_PARSE_C for ECDSA verification"
179 #endif
180 #endif /* MBEDTLS_PK_C && MBEDTLS_USE_PSA_CRYPTO */
181 
182 #if defined(MBEDTLS_ECJPAKE_C) && \
183     !defined(MBEDTLS_ECP_C)
184 #error "MBEDTLS_ECJPAKE_C defined, but not all prerequisites"
185 #endif
186 
187 #if defined(MBEDTLS_ECP_RESTARTABLE)           && \
188     ( defined(MBEDTLS_ECDH_COMPUTE_SHARED_ALT) || \
189       defined(MBEDTLS_ECDH_GEN_PUBLIC_ALT)     || \
190       defined(MBEDTLS_ECDSA_SIGN_ALT)          || \
191       defined(MBEDTLS_ECDSA_VERIFY_ALT)        || \
192       defined(MBEDTLS_ECDSA_GENKEY_ALT)        || \
193       defined(MBEDTLS_ECP_INTERNAL_ALT)        || \
194       defined(MBEDTLS_ECP_ALT) )
195 #error "MBEDTLS_ECP_RESTARTABLE defined, but it cannot coexist with an alternative ECP implementation"
196 #endif
197 
198 #if defined(MBEDTLS_ECP_RESTARTABLE)           && \
199     !defined(MBEDTLS_ECP_C)
200 #error "MBEDTLS_ECP_RESTARTABLE defined, but not all prerequisites"
201 #endif
202 
203 #if defined(MBEDTLS_ECDSA_DETERMINISTIC) && !defined(MBEDTLS_HMAC_DRBG_C)
204 #error "MBEDTLS_ECDSA_DETERMINISTIC defined, but not all prerequisites"
205 #endif
206 
207 #if defined(MBEDTLS_ECP_LIGHT) && ( !defined(MBEDTLS_BIGNUM_C) || (    \
208     !defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED) &&                  \
209     !defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED) &&                  \
210     !defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) &&                  \
211     !defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED) &&                  \
212     !defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED) &&                  \
213     !defined(MBEDTLS_ECP_DP_BP256R1_ENABLED)   &&                  \
214     !defined(MBEDTLS_ECP_DP_BP384R1_ENABLED)   &&                  \
215     !defined(MBEDTLS_ECP_DP_BP512R1_ENABLED)   &&                  \
216     !defined(MBEDTLS_ECP_DP_SECP192K1_ENABLED) &&                  \
217     !defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED) &&                  \
218     !defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED) &&                  \
219     !defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED) &&                 \
220     !defined(MBEDTLS_ECP_DP_CURVE448_ENABLED) ) )
221 #error "MBEDTLS_ECP_C defined (or a subset enabled), but not all prerequisites"
222 #endif
223 
224 #if defined(MBEDTLS_ENTROPY_C) && \
225     !(defined(MBEDTLS_MD_CAN_SHA512) || defined(MBEDTLS_MD_CAN_SHA256))
226 #error "MBEDTLS_ENTROPY_C defined, but not all prerequisites"
227 #endif
228 #if defined(MBEDTLS_ENTROPY_C) && \
229     defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 64)
230 #error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
231 #endif
232 #if defined(MBEDTLS_ENTROPY_C) &&                                            \
233     (defined(MBEDTLS_ENTROPY_FORCE_SHA256) || !defined(MBEDTLS_MD_CAN_SHA512)) \
234     && defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 32)
235 #error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
236 #endif
237 #if defined(MBEDTLS_ENTROPY_C) && \
238     defined(MBEDTLS_ENTROPY_FORCE_SHA256) && !defined(MBEDTLS_MD_CAN_SHA256)
239 #error "MBEDTLS_ENTROPY_FORCE_SHA256 defined, but not all prerequisites"
240 #endif
241 
242 #if defined(__has_feature)
243 #if __has_feature(memory_sanitizer)
244 #define MBEDTLS_HAS_MEMSAN // #undef at the end of this paragraph
245 #endif
246 #endif
247 #if defined(MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN) &&  !defined(MBEDTLS_HAS_MEMSAN)
248 #error "MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN requires building with MemorySanitizer"
249 #endif
250 #if defined(MBEDTLS_HAS_MEMSAN) && defined(MBEDTLS_HAVE_ASM)
251 #error "MemorySanitizer does not support assembly implementation"
252 #endif
253 #undef MBEDTLS_HAS_MEMSAN // temporary macro defined above
254 
255 #if defined(MBEDTLS_CCM_C) && \
256     !(defined(MBEDTLS_CCM_GCM_CAN_AES) || defined(MBEDTLS_CCM_GCM_CAN_ARIA) || \
257     defined(MBEDTLS_CCM_GCM_CAN_CAMELLIA))
258 #error "MBEDTLS_CCM_C defined, but not all prerequisites"
259 #endif
260 
261 #if defined(MBEDTLS_GCM_C) && \
262     !(defined(MBEDTLS_CCM_GCM_CAN_AES) || defined(MBEDTLS_CCM_GCM_CAN_ARIA) || \
263     defined(MBEDTLS_CCM_GCM_CAN_CAMELLIA))
264 #error "MBEDTLS_GCM_C defined, but not all prerequisites"
265 #endif
266 
267 #if defined(MBEDTLS_CHACHAPOLY_C) && !defined(MBEDTLS_CHACHA20_C)
268 #error "MBEDTLS_CHACHAPOLY_C defined, but not all prerequisites"
269 #endif
270 
271 #if defined(MBEDTLS_CHACHAPOLY_C) && !defined(MBEDTLS_POLY1305_C)
272 #error "MBEDTLS_CHACHAPOLY_C defined, but not all prerequisites"
273 #endif
274 
275 #if defined(MBEDTLS_ECP_RANDOMIZE_JAC_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
276 #error "MBEDTLS_ECP_RANDOMIZE_JAC_ALT defined, but not all prerequisites"
277 #endif
278 
279 #if defined(MBEDTLS_ECP_ADD_MIXED_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
280 #error "MBEDTLS_ECP_ADD_MIXED_ALT defined, but not all prerequisites"
281 #endif
282 
283 #if defined(MBEDTLS_ECP_DOUBLE_JAC_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
284 #error "MBEDTLS_ECP_DOUBLE_JAC_ALT defined, but not all prerequisites"
285 #endif
286 
287 #if defined(MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
288 #error "MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT defined, but not all prerequisites"
289 #endif
290 
291 #if defined(MBEDTLS_ECP_NORMALIZE_JAC_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
292 #error "MBEDTLS_ECP_NORMALIZE_JAC_ALT defined, but not all prerequisites"
293 #endif
294 
295 #if defined(MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
296 #error "MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT defined, but not all prerequisites"
297 #endif
298 
299 #if defined(MBEDTLS_ECP_RANDOMIZE_MXZ_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
300 #error "MBEDTLS_ECP_RANDOMIZE_MXZ_ALT defined, but not all prerequisites"
301 #endif
302 
303 #if defined(MBEDTLS_ECP_NORMALIZE_MXZ_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
304 #error "MBEDTLS_ECP_NORMALIZE_MXZ_ALT defined, but not all prerequisites"
305 #endif
306 
307 #if defined(MBEDTLS_ECP_NO_FALLBACK) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
308 #error "MBEDTLS_ECP_NO_FALLBACK defined, but no alternative implementation enabled"
309 #endif
310 
311 #if defined(MBEDTLS_HKDF_C) && !defined(MBEDTLS_MD_C)
312 #error "MBEDTLS_HKDF_C defined, but not all prerequisites"
313 #endif
314 
315 #if defined(MBEDTLS_HMAC_DRBG_C) && !defined(MBEDTLS_MD_C)
316 #error "MBEDTLS_HMAC_DRBG_C defined, but not all prerequisites"
317 #endif
318 
319 #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) &&                 \
320     ( !defined(MBEDTLS_CAN_ECDH) ||                                       \
321       !defined(MBEDTLS_PK_CAN_ECDSA_SIGN) ||                                \
322       !defined(MBEDTLS_X509_CRT_PARSE_C) )
323 #error "MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED defined, but not all prerequisites"
324 #endif
325 
326 #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) &&                 \
327     ( !defined(MBEDTLS_CAN_ECDH) || !defined(MBEDTLS_RSA_C) ||          \
328       !defined(MBEDTLS_X509_CRT_PARSE_C) )
329 #error "MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED defined, but not all prerequisites"
330 #endif
331 
332 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED) && !defined(MBEDTLS_DHM_C)
333 #error "MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED defined, but not all prerequisites"
334 #endif
335 
336 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) &&                     \
337     !defined(MBEDTLS_CAN_ECDH)
338 #error "MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED defined, but not all prerequisites"
339 #endif
340 
341 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) &&                   \
342     ( !defined(MBEDTLS_DHM_C) || !defined(MBEDTLS_RSA_C) ||           \
343       !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
344 #error "MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED defined, but not all prerequisites"
345 #endif
346 
347 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) &&                 \
348     ( !defined(MBEDTLS_CAN_ECDH) || !defined(MBEDTLS_RSA_C) ||          \
349       !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
350 #error "MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED defined, but not all prerequisites"
351 #endif
352 
353 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) &&                \
354     ( !defined(MBEDTLS_CAN_ECDH) ||                                       \
355       !defined(MBEDTLS_PK_CAN_ECDSA_SIGN) ||                                \
356       !defined(MBEDTLS_X509_CRT_PARSE_C) )
357 #error "MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED defined, but not all prerequisites"
358 #endif
359 
360 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED) &&                   \
361     ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
362       !defined(MBEDTLS_PKCS1_V15) )
363 #error "MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED defined, but not all prerequisites"
364 #endif
365 
366 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) &&                       \
367     ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
368       !defined(MBEDTLS_PKCS1_V15) )
369 #error "MBEDTLS_KEY_EXCHANGE_RSA_ENABLED defined, but not all prerequisites"
370 #endif
371 
372 #if defined(MBEDTLS_USE_PSA_CRYPTO)
373 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) &&    \
374     ( !defined(PSA_WANT_ALG_JPAKE) ||                   \
375       !defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_BASIC) || \
376       !defined(PSA_WANT_ECC_SECP_R1_256) )
377 #error "MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED defined, but not all prerequisites"
378 #endif
379 #else /* MBEDTLS_USE_PSA_CRYPTO */
380 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) &&    \
381     ( !defined(MBEDTLS_ECJPAKE_C) ||                    \
382       !defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) )
383 #error "MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED defined, but not all prerequisites"
384 #endif
385 #endif /* MBEDTLS_USE_PSA_CRYPTO */
386 
387 /* Use of EC J-PAKE in TLS requires SHA-256. */
388 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) &&                    \
389     !defined(MBEDTLS_MD_CAN_SHA256)
390 #error "MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED defined, but not all prerequisites"
391 #endif
392 
393 #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED) &&        \
394     !defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE) &&            \
395     !defined(MBEDTLS_MD_CAN_SHA256) &&                        \
396     !defined(MBEDTLS_MD_CAN_SHA512) &&                        \
397     !defined(MBEDTLS_MD_CAN_SHA1)
398 #error "!MBEDTLS_SSL_KEEP_PEER_CERTIFICATE requires SHA-512, SHA-256 or SHA-1".
399 #endif
400 
401 #if defined(MBEDTLS_MD_C) && \
402     !defined(MBEDTLS_MD_CAN_MD5) && \
403     !defined(MBEDTLS_MD_CAN_RIPEMD160) && \
404     !defined(MBEDTLS_MD_CAN_SHA1) && \
405     !defined(MBEDTLS_MD_CAN_SHA224) && \
406     !defined(MBEDTLS_MD_CAN_SHA256) && \
407     !defined(MBEDTLS_MD_CAN_SHA384) && \
408     !defined(MBEDTLS_MD_CAN_SHA512) && \
409     !defined(MBEDTLS_MD_CAN_SHA3_224) && \
410     !defined(MBEDTLS_MD_CAN_SHA3_256) && \
411     !defined(MBEDTLS_MD_CAN_SHA3_384) && \
412     !defined(MBEDTLS_MD_CAN_SHA3_512)
413 #error "MBEDTLS_MD_C defined, but no hash algorithm"
414 #endif
415 
416 #if defined(MBEDTLS_LMS_C) &&                                          \
417     ! ( defined(MBEDTLS_PSA_CRYPTO_CLIENT) && defined(PSA_WANT_ALG_SHA_256) )
418 #error "MBEDTLS_LMS_C requires MBEDTLS_PSA_CRYPTO_C and PSA_WANT_ALG_SHA_256"
419 #endif
420 
421 #if defined(MBEDTLS_LMS_PRIVATE) &&                                    \
422     ( !defined(MBEDTLS_LMS_C) )
423 #error "MBEDTLS_LMS_PRIVATE requires MBEDTLS_LMS_C"
424 #endif
425 
426 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) &&                          \
427     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
428 #error "MBEDTLS_MEMORY_BUFFER_ALLOC_C defined, but not all prerequisites"
429 #endif
430 
431 #if defined(MBEDTLS_MEMORY_BACKTRACE) && !defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
432 #error "MBEDTLS_MEMORY_BACKTRACE defined, but not all prerequisites"
433 #endif
434 
435 #if defined(MBEDTLS_MEMORY_DEBUG) && !defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
436 #error "MBEDTLS_MEMORY_DEBUG defined, but not all prerequisites"
437 #endif
438 
439 #if defined(MBEDTLS_PEM_PARSE_C) && !defined(MBEDTLS_BASE64_C)
440 #error "MBEDTLS_PEM_PARSE_C defined, but not all prerequisites"
441 #endif
442 
443 #if defined(MBEDTLS_PEM_WRITE_C) && !defined(MBEDTLS_BASE64_C)
444 #error "MBEDTLS_PEM_WRITE_C defined, but not all prerequisites"
445 #endif
446 
447 #if defined(MBEDTLS_PK_C) && \
448     !defined(MBEDTLS_RSA_C) && !defined(MBEDTLS_PK_HAVE_ECC_KEYS)
449 #error "MBEDTLS_PK_C defined, but not all prerequisites"
450 #endif
451 
452 #if defined(MBEDTLS_PK_PARSE_C) && \
453     (!defined(MBEDTLS_ASN1_PARSE_C) || \
454      !defined(MBEDTLS_OID_C)        || \
455      !defined(MBEDTLS_PK_C))
456 #error "MBEDTLS_PK_PARSE_C defined, but not all prerequisites"
457 #endif
458 
459 #if defined(MBEDTLS_PK_WRITE_C) && \
460     (!defined(MBEDTLS_ASN1_WRITE_C) || \
461      !defined(MBEDTLS_OID_C)        || \
462      !defined(MBEDTLS_PK_C))
463 #error "MBEDTLS_PK_WRITE_C defined, but not all prerequisites"
464 #endif
465 
466 #if defined(MBEDTLS_PLATFORM_EXIT_ALT) && !defined(MBEDTLS_PLATFORM_C)
467 #error "MBEDTLS_PLATFORM_EXIT_ALT defined, but not all prerequisites"
468 #endif
469 
470 #if defined(MBEDTLS_PLATFORM_EXIT_MACRO) && !defined(MBEDTLS_PLATFORM_C)
471 #error "MBEDTLS_PLATFORM_EXIT_MACRO defined, but not all prerequisites"
472 #endif
473 
474 #if defined(MBEDTLS_PLATFORM_EXIT_MACRO) &&\
475     ( defined(MBEDTLS_PLATFORM_STD_EXIT) ||\
476         defined(MBEDTLS_PLATFORM_EXIT_ALT) )
477 #error "MBEDTLS_PLATFORM_EXIT_MACRO and MBEDTLS_PLATFORM_STD_EXIT/MBEDTLS_PLATFORM_EXIT_ALT cannot be defined simultaneously"
478 #endif
479 
480 #if defined(MBEDTLS_PLATFORM_SETBUF_ALT) && !defined(MBEDTLS_PLATFORM_C)
481 #error "MBEDTLS_PLATFORM_SETBUF_ALT defined, but not all prerequisites"
482 #endif
483 
484 #if defined(MBEDTLS_PLATFORM_SETBUF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
485 #error "MBEDTLS_PLATFORM_SETBUF_MACRO defined, but not all prerequisites"
486 #endif
487 
488 #if defined(MBEDTLS_PLATFORM_SETBUF_MACRO) &&\
489     ( defined(MBEDTLS_PLATFORM_STD_SETBUF) ||\
490         defined(MBEDTLS_PLATFORM_SETBUF_ALT) )
491 #error "MBEDTLS_PLATFORM_SETBUF_MACRO and MBEDTLS_PLATFORM_STD_SETBUF/MBEDTLS_PLATFORM_SETBUF_ALT cannot be defined simultaneously"
492 #endif
493 
494 #if defined(MBEDTLS_PLATFORM_TIME_ALT) &&\
495     ( !defined(MBEDTLS_PLATFORM_C) ||\
496         !defined(MBEDTLS_HAVE_TIME) )
497 #error "MBEDTLS_PLATFORM_TIME_ALT defined, but not all prerequisites"
498 #endif
499 
500 #if defined(MBEDTLS_PLATFORM_TIME_MACRO) &&\
501     ( !defined(MBEDTLS_PLATFORM_C) ||\
502         !defined(MBEDTLS_HAVE_TIME) )
503 #error "MBEDTLS_PLATFORM_TIME_MACRO defined, but not all prerequisites"
504 #endif
505 
506 #if defined(MBEDTLS_PLATFORM_MS_TIME_TYPE_MACRO) &&\
507     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_HAVE_TIME) )
508 #error "MBEDTLS_PLATFORM_MS_TIME_TYPE_MACRO defined, but not all prerequisites"
509 #endif
510 
511 #if defined(MBEDTLS_PLATFORM_MS_TIME_ALT)   && \
512     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_HAVE_TIME) )
513 #error "MBEDTLS_PLATFORM_MS_TIME_ALT defined, but not all prerequisites"
514 #endif
515 
516 #if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO) &&\
517     ( !defined(MBEDTLS_PLATFORM_C) ||\
518         !defined(MBEDTLS_HAVE_TIME) )
519 #error "MBEDTLS_PLATFORM_TIME_TYPE_MACRO defined, but not all prerequisites"
520 #endif
521 
522 #if defined(MBEDTLS_PLATFORM_TIME_MACRO) &&\
523     ( defined(MBEDTLS_PLATFORM_STD_TIME) ||\
524         defined(MBEDTLS_PLATFORM_TIME_ALT) )
525 #error "MBEDTLS_PLATFORM_TIME_MACRO and MBEDTLS_PLATFORM_STD_TIME/MBEDTLS_PLATFORM_TIME_ALT cannot be defined simultaneously"
526 #endif
527 
528 #if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO) &&\
529     ( defined(MBEDTLS_PLATFORM_STD_TIME) ||\
530         defined(MBEDTLS_PLATFORM_TIME_ALT) )
531 #error "MBEDTLS_PLATFORM_TIME_TYPE_MACRO and MBEDTLS_PLATFORM_STD_TIME/MBEDTLS_PLATFORM_TIME_ALT cannot be defined simultaneously"
532 #endif
533 
534 #if defined(MBEDTLS_PLATFORM_FPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
535 #error "MBEDTLS_PLATFORM_FPRINTF_ALT defined, but not all prerequisites"
536 #endif
537 
538 #if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
539 #error "MBEDTLS_PLATFORM_FPRINTF_MACRO defined, but not all prerequisites"
540 #endif
541 
542 #if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) &&\
543     ( defined(MBEDTLS_PLATFORM_STD_FPRINTF) ||\
544         defined(MBEDTLS_PLATFORM_FPRINTF_ALT) )
545 #error "MBEDTLS_PLATFORM_FPRINTF_MACRO and MBEDTLS_PLATFORM_STD_FPRINTF/MBEDTLS_PLATFORM_FPRINTF_ALT cannot be defined simultaneously"
546 #endif
547 
548 #if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
549     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
550 #error "MBEDTLS_PLATFORM_FREE_MACRO defined, but not all prerequisites"
551 #endif
552 
553 #if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
554     defined(MBEDTLS_PLATFORM_STD_FREE)
555 #error "MBEDTLS_PLATFORM_FREE_MACRO and MBEDTLS_PLATFORM_STD_FREE cannot be defined simultaneously"
556 #endif
557 
558 #if defined(MBEDTLS_PLATFORM_FREE_MACRO) && !defined(MBEDTLS_PLATFORM_CALLOC_MACRO)
559 #error "MBEDTLS_PLATFORM_CALLOC_MACRO must be defined if MBEDTLS_PLATFORM_FREE_MACRO is"
560 #endif
561 
562 #if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
563     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
564 #error "MBEDTLS_PLATFORM_CALLOC_MACRO defined, but not all prerequisites"
565 #endif
566 
567 #if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
568     defined(MBEDTLS_PLATFORM_STD_CALLOC)
569 #error "MBEDTLS_PLATFORM_CALLOC_MACRO and MBEDTLS_PLATFORM_STD_CALLOC cannot be defined simultaneously"
570 #endif
571 
572 #if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) && !defined(MBEDTLS_PLATFORM_FREE_MACRO)
573 #error "MBEDTLS_PLATFORM_FREE_MACRO must be defined if MBEDTLS_PLATFORM_CALLOC_MACRO is"
574 #endif
575 
576 #if defined(MBEDTLS_PLATFORM_MEMORY) && !defined(MBEDTLS_PLATFORM_C)
577 #error "MBEDTLS_PLATFORM_MEMORY defined, but not all prerequisites"
578 #endif
579 
580 #if defined(MBEDTLS_PLATFORM_PRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
581 #error "MBEDTLS_PLATFORM_PRINTF_ALT defined, but not all prerequisites"
582 #endif
583 
584 #if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
585 #error "MBEDTLS_PLATFORM_PRINTF_MACRO defined, but not all prerequisites"
586 #endif
587 
588 #if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) &&\
589     ( defined(MBEDTLS_PLATFORM_STD_PRINTF) ||\
590         defined(MBEDTLS_PLATFORM_PRINTF_ALT) )
591 #error "MBEDTLS_PLATFORM_PRINTF_MACRO and MBEDTLS_PLATFORM_STD_PRINTF/MBEDTLS_PLATFORM_PRINTF_ALT cannot be defined simultaneously"
592 #endif
593 
594 #if defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
595 #error "MBEDTLS_PLATFORM_SNPRINTF_ALT defined, but not all prerequisites"
596 #endif
597 
598 #if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
599 #error "MBEDTLS_PLATFORM_SNPRINTF_MACRO defined, but not all prerequisites"
600 #endif
601 
602 #if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) &&\
603     ( defined(MBEDTLS_PLATFORM_STD_SNPRINTF) ||\
604         defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) )
605 #error "MBEDTLS_PLATFORM_SNPRINTF_MACRO and MBEDTLS_PLATFORM_STD_SNPRINTF/MBEDTLS_PLATFORM_SNPRINTF_ALT cannot be defined simultaneously"
606 #endif
607 
608 #if defined(MBEDTLS_PLATFORM_VSNPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
609 #error "MBEDTLS_PLATFORM_VSNPRINTF_ALT defined, but not all prerequisites"
610 #endif
611 
612 #if defined(MBEDTLS_PLATFORM_VSNPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
613 #error "MBEDTLS_PLATFORM_VSNPRINTF_MACRO defined, but not all prerequisites"
614 #endif
615 
616 #if defined(MBEDTLS_PLATFORM_VSNPRINTF_MACRO) &&\
617     ( defined(MBEDTLS_PLATFORM_STD_VSNPRINTF) ||\
618         defined(MBEDTLS_PLATFORM_VSNPRINTF_ALT) )
619 #error "MBEDTLS_PLATFORM_VSNPRINTF_MACRO and MBEDTLS_PLATFORM_STD_VSNPRINTF/MBEDTLS_PLATFORM_VSNPRINTF_ALT cannot be defined simultaneously"
620 #endif
621 
622 #if defined(MBEDTLS_PLATFORM_STD_MEM_HDR) &&\
623     !defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS)
624 #error "MBEDTLS_PLATFORM_STD_MEM_HDR defined, but not all prerequisites"
625 #endif
626 
627 #if defined(MBEDTLS_PLATFORM_STD_CALLOC) && !defined(MBEDTLS_PLATFORM_MEMORY)
628 #error "MBEDTLS_PLATFORM_STD_CALLOC defined, but not all prerequisites"
629 #endif
630 
631 #if defined(MBEDTLS_PLATFORM_STD_FREE) && !defined(MBEDTLS_PLATFORM_MEMORY)
632 #error "MBEDTLS_PLATFORM_STD_FREE defined, but not all prerequisites"
633 #endif
634 
635 #if defined(MBEDTLS_PLATFORM_STD_EXIT) &&\
636     !defined(MBEDTLS_PLATFORM_EXIT_ALT)
637 #error "MBEDTLS_PLATFORM_STD_EXIT defined, but not all prerequisites"
638 #endif
639 
640 #if defined(MBEDTLS_PLATFORM_STD_TIME) &&\
641     ( !defined(MBEDTLS_PLATFORM_TIME_ALT) ||\
642         !defined(MBEDTLS_HAVE_TIME) )
643 #error "MBEDTLS_PLATFORM_STD_TIME defined, but not all prerequisites"
644 #endif
645 
646 #if defined(MBEDTLS_PLATFORM_STD_FPRINTF) &&\
647     !defined(MBEDTLS_PLATFORM_FPRINTF_ALT)
648 #error "MBEDTLS_PLATFORM_STD_FPRINTF defined, but not all prerequisites"
649 #endif
650 
651 #if defined(MBEDTLS_PLATFORM_STD_PRINTF) &&\
652     !defined(MBEDTLS_PLATFORM_PRINTF_ALT)
653 #error "MBEDTLS_PLATFORM_STD_PRINTF defined, but not all prerequisites"
654 #endif
655 
656 #if defined(MBEDTLS_PLATFORM_STD_SNPRINTF) &&\
657     !defined(MBEDTLS_PLATFORM_SNPRINTF_ALT)
658 #error "MBEDTLS_PLATFORM_STD_SNPRINTF defined, but not all prerequisites"
659 #endif
660 
661 #if defined(MBEDTLS_ENTROPY_NV_SEED) &&\
662     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_ENTROPY_C) )
663 #error "MBEDTLS_ENTROPY_NV_SEED defined, but not all prerequisites"
664 #endif
665 
666 #if defined(MBEDTLS_PLATFORM_NV_SEED_ALT) &&\
667     !defined(MBEDTLS_ENTROPY_NV_SEED)
668 #error "MBEDTLS_PLATFORM_NV_SEED_ALT defined, but not all prerequisites"
669 #endif
670 
671 #if defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ) &&\
672     !defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
673 #error "MBEDTLS_PLATFORM_STD_NV_SEED_READ defined, but not all prerequisites"
674 #endif
675 
676 #if defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE) &&\
677     !defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
678 #error "MBEDTLS_PLATFORM_STD_NV_SEED_WRITE defined, but not all prerequisites"
679 #endif
680 
681 #if defined(MBEDTLS_PLATFORM_NV_SEED_READ_MACRO) &&\
682     ( defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ) ||\
683       defined(MBEDTLS_PLATFORM_NV_SEED_ALT) )
684 #error "MBEDTLS_PLATFORM_NV_SEED_READ_MACRO and MBEDTLS_PLATFORM_STD_NV_SEED_READ cannot be defined simultaneously"
685 #endif
686 
687 #if defined(MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO) &&\
688     ( defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE) ||\
689       defined(MBEDTLS_PLATFORM_NV_SEED_ALT) )
690 #error "MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO and MBEDTLS_PLATFORM_STD_NV_SEED_WRITE cannot be defined simultaneously"
691 #endif
692 
693 #if defined(MBEDTLS_PSA_CRYPTO_C) &&                                    \
694     !( ( ( defined(MBEDTLS_CTR_DRBG_C) || defined(MBEDTLS_HMAC_DRBG_C) ) && \
695          defined(MBEDTLS_ENTROPY_C) ) ||                                \
696        defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG) )
697 #error "MBEDTLS_PSA_CRYPTO_C defined, but not all prerequisites (missing RNG)"
698 #endif
699 
700 #if defined(MBEDTLS_PSA_CRYPTO_C) && defined(PSA_HAVE_SOFT_BLOCK_MODE) && \
701     defined(PSA_HAVE_SOFT_BLOCK_CIPHER) && !defined(MBEDTLS_CIPHER_C)
702 #error "MBEDTLS_PSA_CRYPTO_C defined, but not all prerequisites"
703 #endif
704 
705 #if defined(MBEDTLS_PSA_CRYPTO_SPM) && !defined(MBEDTLS_PSA_CRYPTO_C)
706 #error "MBEDTLS_PSA_CRYPTO_SPM defined, but not all prerequisites"
707 #endif
708 
709 #if defined(MBEDTLS_PSA_CRYPTO_SE_C) &&    \
710     ! ( defined(MBEDTLS_PSA_CRYPTO_C) && \
711         defined(MBEDTLS_PSA_CRYPTO_STORAGE_C) )
712 #error "MBEDTLS_PSA_CRYPTO_SE_C defined, but not all prerequisites"
713 #endif
714 
715 #if defined(MBEDTLS_PSA_CRYPTO_SE_C)
716 #if defined(MBEDTLS_DEPRECATED_REMOVED)
717 #error "MBEDTLS_PSA_CRYPTO_SE_C is deprecated and will be removed in a future version of Mbed TLS"
718 #elif defined(MBEDTLS_DEPRECATED_WARNING)
719 #warning "MBEDTLS_PSA_CRYPTO_SE_C is deprecated and will be removed in a future version of Mbed TLS"
720 #endif
721 #endif /* MBEDTLS_PSA_CRYPTO_SE_C */
722 
723 #if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C) &&            \
724     ! defined(MBEDTLS_PSA_CRYPTO_C)
725 #error "MBEDTLS_PSA_CRYPTO_STORAGE_C defined, but not all prerequisites"
726 #endif
727 
728 #if defined(MBEDTLS_PSA_INJECT_ENTROPY) &&      \
729     !( defined(MBEDTLS_PSA_CRYPTO_STORAGE_C) && \
730        defined(MBEDTLS_ENTROPY_NV_SEED) )
731 #error "MBEDTLS_PSA_INJECT_ENTROPY defined, but not all prerequisites"
732 #endif
733 
734 #if defined(MBEDTLS_PSA_INJECT_ENTROPY) &&              \
735     !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES)
736 #error "MBEDTLS_PSA_INJECT_ENTROPY is not compatible with actual entropy sources"
737 #endif
738 
739 #if defined(MBEDTLS_PSA_INJECT_ENTROPY) &&              \
740     defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
741 #error "MBEDTLS_PSA_INJECT_ENTROPY is not compatible with MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG"
742 #endif
743 
744 #if defined(MBEDTLS_PSA_KEY_STORE_DYNAMIC) &&           \
745     defined(MBEDTLS_PSA_STATIC_KEY_SLOTS)
746 #error "MBEDTLS_PSA_KEY_STORE_DYNAMIC and MBEDTLS_PSA_STATIC_KEY_SLOTS cannot be defined simultaneously"
747 #endif
748 
749 #if defined(MBEDTLS_PSA_ITS_FILE_C) && \
750     !defined(MBEDTLS_FS_IO)
751 #error "MBEDTLS_PSA_ITS_FILE_C defined, but not all prerequisites"
752 #endif
753 
754 #if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_BIGNUM_C) ||         \
755     !defined(MBEDTLS_OID_C) )
756 #error "MBEDTLS_RSA_C defined, but not all prerequisites"
757 #endif
758 
759 #if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_PKCS1_V21) &&         \
760     !defined(MBEDTLS_PKCS1_V15) )
761 #error "MBEDTLS_RSA_C defined, but none of the PKCS1 versions enabled"
762 #endif
763 
764 #if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT) &&                        \
765     ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_PKCS1_V21) )
766 #error "MBEDTLS_X509_RSASSA_PSS_SUPPORT defined, but not all prerequisites"
767 #endif
768 
769 #if defined(MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT) && \
770     defined(MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY)
771 #error "Must only define one of MBEDTLS_SHA512_USE_A64_CRYPTO_*"
772 #endif
773 
774 #if defined(MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT) || \
775     defined(MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY)
776 #if !defined(MBEDTLS_SHA512_C)
777 #error "MBEDTLS_SHA512_USE_A64_CRYPTO_* defined without MBEDTLS_SHA512_C"
778 #endif
779 #if defined(MBEDTLS_SHA512_ALT) || defined(MBEDTLS_SHA512_PROCESS_ALT)
780 #error "MBEDTLS_SHA512_*ALT can't be used with MBEDTLS_SHA512_USE_A64_CRYPTO_*"
781 #endif
782 
783 #endif /* MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT || MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY */
784 
785 #if defined(MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY) && !defined(__aarch64__)
786 #error "MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY defined on non-Aarch64 system"
787 #endif
788 
789 #if defined(MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_IF_PRESENT) && \
790     defined(MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_ONLY)
791 #error "Must only define one of MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_*"
792 #endif
793 
794 #if defined(MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_IF_PRESENT) || \
795     defined(MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_ONLY)
796 #if !defined(MBEDTLS_SHA256_C)
797 #error "MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_* defined without MBEDTLS_SHA256_C"
798 #endif
799 #if defined(MBEDTLS_SHA256_ALT) || defined(MBEDTLS_SHA256_PROCESS_ALT)
800 #error "MBEDTLS_SHA256_*ALT can't be used with MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_*"
801 #endif
802 
803 #endif
804 
805 #if defined(MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_ONLY) && !defined(MBEDTLS_ARCH_IS_ARMV8_A)
806 #error "MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_ONLY defined on non-Armv8-A system"
807 #endif
808 
809 /* TLS 1.3 requires separate HKDF parts from PSA,
810  * and at least one ciphersuite, so at least SHA-256 or SHA-384
811  * from PSA to use with HKDF.
812  *
813  * Note: for dependencies common with TLS 1.2 (running handshake hash),
814  * see MBEDTLS_SSL_TLS_C. */
815 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) && \
816     !(defined(MBEDTLS_PSA_CRYPTO_CLIENT) && \
817       defined(PSA_WANT_ALG_HKDF_EXTRACT) && \
818       defined(PSA_WANT_ALG_HKDF_EXPAND) && \
819       (defined(PSA_WANT_ALG_SHA_256) || defined(PSA_WANT_ALG_SHA_384)))
820 #error "MBEDTLS_SSL_PROTO_TLS1_3 defined, but not all prerequisites"
821 #endif
822 
823 #if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED)
824 #if !( (defined(PSA_WANT_ALG_ECDH) || defined(PSA_WANT_ALG_FFDH)) && \
825        defined(MBEDTLS_X509_CRT_PARSE_C) && \
826        ( defined(MBEDTLS_PK_CAN_ECDSA_SIGN) || defined(MBEDTLS_PKCS1_V21) ) )
827 #error "MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED defined, but not all prerequisites"
828 #endif
829 #endif
830 
831 #if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED)
832 #if !( defined(PSA_WANT_ALG_ECDH) || defined(PSA_WANT_ALG_FFDH) )
833 #error "MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED defined, but not all prerequisites"
834 #endif
835 #endif
836 
837 /*
838  * The current implementation of TLS 1.3 requires MBEDTLS_SSL_KEEP_PEER_CERTIFICATE.
839  */
840 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) && !defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
841 #error "MBEDTLS_SSL_PROTO_TLS1_3 defined without MBEDTLS_SSL_KEEP_PEER_CERTIFICATE"
842 #endif
843 
844 #if defined(MBEDTLS_SSL_PROTO_TLS1_2) &&                                    \
845     !(defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) ||                          \
846       defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) ||                      \
847       defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                    \
848       defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                  \
849       defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||                     \
850       defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) ||                   \
851       defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED) ||                          \
852       defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED) ||                      \
853       defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED) ||                      \
854       defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) ||                    \
855       defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) )
856 #error "One or more versions of the TLS protocol are enabled " \
857         "but no key exchange methods defined with MBEDTLS_KEY_EXCHANGE_xxxx"
858 #endif
859 
860 #if defined(MBEDTLS_SSL_EARLY_DATA) && \
861     ( !defined(MBEDTLS_SSL_SESSION_TICKETS) || \
862       ( !defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_ENABLED) && \
863         !defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED) ) )
864 #error "MBEDTLS_SSL_EARLY_DATA  defined, but not all prerequisites"
865 #endif
866 
867 #if defined(MBEDTLS_SSL_EARLY_DATA) && defined(MBEDTLS_SSL_SRV_C) && \
868     defined(MBEDTLS_SSL_MAX_EARLY_DATA_SIZE) &&                      \
869         ((MBEDTLS_SSL_MAX_EARLY_DATA_SIZE < 0) ||                    \
870          (MBEDTLS_SSL_MAX_EARLY_DATA_SIZE > UINT32_MAX))
871 #error "MBEDTLS_SSL_MAX_EARLY_DATA_SIZE must be in the range(0..UINT32_MAX)"
872 #endif
873 
874 #if defined(MBEDTLS_SSL_PROTO_DTLS)     && \
875     !defined(MBEDTLS_SSL_PROTO_TLS1_2)
876 #error "MBEDTLS_SSL_PROTO_DTLS defined, but not all prerequisites"
877 #endif
878 
879 #if defined(MBEDTLS_SSL_CLI_C) && !defined(MBEDTLS_SSL_TLS_C)
880 #error "MBEDTLS_SSL_CLI_C defined, but not all prerequisites"
881 #endif
882 
883 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) && !defined(MBEDTLS_X509_CRT_PARSE_C)
884 #error "MBEDTLS_SSL_ASYNC_PRIVATE defined, but not all prerequisites"
885 #endif
886 
887 #if defined(MBEDTLS_SSL_TLS_C) && !(defined(MBEDTLS_CIPHER_C) || \
888     defined(MBEDTLS_USE_PSA_CRYPTO))
889 #error "MBEDTLS_SSL_TLS_C defined, but not all prerequisites"
890 #endif
891 
892 /* TLS 1.2 and 1.3 require SHA-256 or SHA-384 (running handshake hash) */
893 #if defined(MBEDTLS_SSL_TLS_C)
894 #if defined(MBEDTLS_USE_PSA_CRYPTO)
895 #if !(defined(PSA_WANT_ALG_SHA_256) || defined(PSA_WANT_ALG_SHA_384))
896 #error "MBEDTLS_SSL_TLS_C defined, but not all prerequisites"
897 #endif
898 #else /* MBEDTLS_USE_PSA_CRYPTO */
899 #if !defined(MBEDTLS_MD_C) || \
900     !(defined(MBEDTLS_MD_CAN_SHA256) || defined(MBEDTLS_MD_CAN_SHA384))
901 #error "MBEDTLS_SSL_TLS_C defined, but not all prerequisites"
902 #endif
903 #endif /* MBEDTLS_USE_PSA_CRYPTO */
904 #endif /* MBEDTLS_SSL_TLS_C */
905 
906 #if defined(MBEDTLS_SSL_SRV_C) && !defined(MBEDTLS_SSL_TLS_C)
907 #error "MBEDTLS_SSL_SRV_C defined, but not all prerequisites"
908 #endif
909 
910 #if defined(MBEDTLS_SSL_TLS_C) && \
911     !( defined(MBEDTLS_SSL_PROTO_TLS1_2) || defined(MBEDTLS_SSL_PROTO_TLS1_3) )
912 #error "MBEDTLS_SSL_TLS_C defined, but no protocols are active"
913 #endif
914 
915 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && !defined(MBEDTLS_SSL_PROTO_DTLS)
916 #error "MBEDTLS_SSL_DTLS_HELLO_VERIFY  defined, but not all prerequisites"
917 #endif
918 
919 #if defined(MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE) && \
920     !defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
921 #error "MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE  defined, but not all prerequisites"
922 #endif
923 
924 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY) &&                              \
925     ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
926 #error "MBEDTLS_SSL_DTLS_ANTI_REPLAY  defined, but not all prerequisites"
927 #endif
928 
929 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) &&                              \
930     ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
931 #error "MBEDTLS_SSL_DTLS_CONNECTION_ID  defined, but not all prerequisites"
932 #endif
933 
934 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)            &&                 \
935     defined(MBEDTLS_SSL_CID_IN_LEN_MAX) &&                 \
936     MBEDTLS_SSL_CID_IN_LEN_MAX > 255
937 #error "MBEDTLS_SSL_CID_IN_LEN_MAX too large (max 255)"
938 #endif
939 
940 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)            &&                  \
941     defined(MBEDTLS_SSL_CID_OUT_LEN_MAX) &&                 \
942     MBEDTLS_SSL_CID_OUT_LEN_MAX > 255
943 #error "MBEDTLS_SSL_CID_OUT_LEN_MAX too large (max 255)"
944 #endif
945 
946 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT)     &&                 \
947     !defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
948 #error "MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT defined, but not all prerequisites"
949 #endif
950 
951 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT) && MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT != 0
952 #if defined(MBEDTLS_DEPRECATED_REMOVED)
953 #error "MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT is deprecated and will be removed in a future version of Mbed TLS"
954 #elif defined(MBEDTLS_DEPRECATED_WARNING)
955 #warning "MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT is deprecated and will be removed in a future version of Mbed TLS"
956 #endif
957 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT && MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT != 0 */
958 
959 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) &&   \
960     !defined(MBEDTLS_SSL_PROTO_TLS1_2)
961 #error "MBEDTLS_SSL_ENCRYPT_THEN_MAC defined, but not all prerequisites"
962 #endif
963 
964 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) && \
965     !defined(MBEDTLS_SSL_PROTO_TLS1_2)
966 #error "MBEDTLS_SSL_EXTENDED_MASTER_SECRET defined, but not all prerequisites"
967 #endif
968 
969 #if defined(MBEDTLS_SSL_RENEGOTIATION) && \
970     !defined(MBEDTLS_SSL_PROTO_TLS1_2)
971 #error "MBEDTLS_SSL_RENEGOTIATION defined, but not all prerequisites"
972 #endif
973 
974 #if defined(MBEDTLS_SSL_TICKET_C) && ( !defined(MBEDTLS_CIPHER_C) && \
975                                        !defined(MBEDTLS_USE_PSA_CRYPTO) )
976 #error "MBEDTLS_SSL_TICKET_C defined, but not all prerequisites"
977 #endif
978 
979 #if defined(MBEDTLS_SSL_TICKET_C) && \
980     !( defined(MBEDTLS_SSL_HAVE_CCM) || defined(MBEDTLS_SSL_HAVE_GCM) || \
981     defined(MBEDTLS_SSL_HAVE_CHACHAPOLY) )
982 #error "MBEDTLS_SSL_TICKET_C defined, but not all prerequisites"
983 #endif
984 
985 #if defined(MBEDTLS_SSL_TLS1_3_TICKET_NONCE_LENGTH) && \
986     MBEDTLS_SSL_TLS1_3_TICKET_NONCE_LENGTH >= 256
987 #error "MBEDTLS_SSL_TLS1_3_TICKET_NONCE_LENGTH must be less than 256"
988 #endif
989 
990 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && \
991         !defined(MBEDTLS_X509_CRT_PARSE_C)
992 #error "MBEDTLS_SSL_SERVER_NAME_INDICATION defined, but not all prerequisites"
993 #endif
994 
995 #if defined(MBEDTLS_THREADING_PTHREAD)
996 #if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
997 #error "MBEDTLS_THREADING_PTHREAD defined, but not all prerequisites"
998 #endif
999 #define MBEDTLS_THREADING_IMPL // undef at the end of this paragraph
1000 #endif
1001 #if defined(MBEDTLS_THREADING_ALT)
1002 #if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
1003 #error "MBEDTLS_THREADING_ALT defined, but not all prerequisites"
1004 #endif
1005 #define MBEDTLS_THREADING_IMPL // undef at the end of this paragraph
1006 #endif
1007 #if defined(MBEDTLS_THREADING_C) && !defined(MBEDTLS_THREADING_IMPL)
1008 #error "MBEDTLS_THREADING_C defined, single threading implementation required"
1009 #endif
1010 #undef MBEDTLS_THREADING_IMPL // temporary macro defined above
1011 
1012 #if defined(MBEDTLS_USE_PSA_CRYPTO) && !defined(MBEDTLS_PSA_CRYPTO_CLIENT)
1013 #error "MBEDTLS_USE_PSA_CRYPTO defined, but not all prerequisites"
1014 #endif
1015 
1016 #if defined(MBEDTLS_VERSION_FEATURES) && !defined(MBEDTLS_VERSION_C)
1017 #error "MBEDTLS_VERSION_FEATURES defined, but not all prerequisites"
1018 #endif
1019 
1020 #if defined(MBEDTLS_X509_USE_C) && \
1021     (!defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_PARSE_C) ||   \
1022     !defined(MBEDTLS_PK_PARSE_C) ||                                 \
1023     ( !defined(MBEDTLS_MD_C) && !defined(MBEDTLS_USE_PSA_CRYPTO) ) )
1024 #error "MBEDTLS_X509_USE_C defined, but not all prerequisites"
1025 #endif
1026 
1027 #if defined(MBEDTLS_X509_CREATE_C) && \
1028     (!defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_WRITE_C) ||      \
1029     !defined(MBEDTLS_PK_PARSE_C) ||                                    \
1030     ( !defined(MBEDTLS_MD_C) && !defined(MBEDTLS_USE_PSA_CRYPTO) ) )
1031 #error "MBEDTLS_X509_CREATE_C defined, but not all prerequisites"
1032 #endif
1033 
1034 #if defined(MBEDTLS_X509_CRT_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
1035 #error "MBEDTLS_X509_CRT_PARSE_C defined, but not all prerequisites"
1036 #endif
1037 
1038 #if defined(MBEDTLS_X509_CRL_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
1039 #error "MBEDTLS_X509_CRL_PARSE_C defined, but not all prerequisites"
1040 #endif
1041 
1042 #if defined(MBEDTLS_X509_CSR_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
1043 #error "MBEDTLS_X509_CSR_PARSE_C defined, but not all prerequisites"
1044 #endif
1045 
1046 #if defined(MBEDTLS_X509_CRT_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
1047 #error "MBEDTLS_X509_CRT_WRITE_C defined, but not all prerequisites"
1048 #endif
1049 
1050 #if defined(MBEDTLS_X509_CSR_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
1051 #error "MBEDTLS_X509_CSR_WRITE_C defined, but not all prerequisites"
1052 #endif
1053 
1054 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK) && \
1055             ( !defined(MBEDTLS_X509_CRT_PARSE_C) )
1056 #error "MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK defined, but not all prerequisites"
1057 #endif
1058 
1059 #if defined(MBEDTLS_HAVE_INT32) && defined(MBEDTLS_HAVE_INT64)
1060 #error "MBEDTLS_HAVE_INT32 and MBEDTLS_HAVE_INT64 cannot be defined simultaneously"
1061 #endif /* MBEDTLS_HAVE_INT32 && MBEDTLS_HAVE_INT64 */
1062 
1063 #if ( defined(MBEDTLS_HAVE_INT32) || defined(MBEDTLS_HAVE_INT64) ) && \
1064     defined(MBEDTLS_HAVE_ASM)
1065 #error "MBEDTLS_HAVE_INT32/MBEDTLS_HAVE_INT64 and MBEDTLS_HAVE_ASM cannot be defined simultaneously"
1066 #endif /* (MBEDTLS_HAVE_INT32 || MBEDTLS_HAVE_INT64) && MBEDTLS_HAVE_ASM */
1067 
1068 #if defined(MBEDTLS_SSL_DTLS_SRTP) && ( !defined(MBEDTLS_SSL_PROTO_DTLS) )
1069 #error "MBEDTLS_SSL_DTLS_SRTP defined, but not all prerequisites"
1070 #endif
1071 
1072 #if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH) && ( !defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) )
1073 #error "MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH defined, but not all prerequisites"
1074 #endif
1075 
1076 #if defined(MBEDTLS_SSL_RECORD_SIZE_LIMIT) && ( !defined(MBEDTLS_SSL_PROTO_TLS1_3) )
1077 #error "MBEDTLS_SSL_RECORD_SIZE_LIMIT defined, but not all prerequisites"
1078 #endif
1079 
1080 #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION) && \
1081     !( defined(MBEDTLS_SSL_HAVE_CCM) || defined(MBEDTLS_SSL_HAVE_GCM) || \
1082     defined(MBEDTLS_SSL_HAVE_CHACHAPOLY) )
1083 #error "MBEDTLS_SSL_CONTEXT_SERIALIZATION defined, but not all prerequisites"
1084 #endif
1085 
1086 /* Reject attempts to enable options that have been removed and that could
1087  * cause a build to succeed but with features removed. */
1088 
1089 #if defined(MBEDTLS_HAVEGE_C) //no-check-names
1090 #error "MBEDTLS_HAVEGE_C was removed in Mbed TLS 3.0. See https://github.com/Mbed-TLS/mbedtls/issues/2599"
1091 #endif
1092 
1093 #if defined(MBEDTLS_SSL_HW_RECORD_ACCEL) //no-check-names
1094 #error "MBEDTLS_SSL_HW_RECORD_ACCEL was removed in Mbed TLS 3.0. See https://github.com/Mbed-TLS/mbedtls/issues/4031"
1095 #endif
1096 
1097 #if defined(MBEDTLS_SSL_PROTO_SSL3) //no-check-names
1098 #error "MBEDTLS_SSL_PROTO_SSL3 (SSL v3.0 support) was removed in Mbed TLS 3.0. See https://github.com/Mbed-TLS/mbedtls/issues/4031"
1099 #endif
1100 
1101 #if defined(MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO) //no-check-names
1102 #error "MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO (SSL v2 ClientHello support) was removed in Mbed TLS 3.0. See https://github.com/Mbed-TLS/mbedtls/issues/4031"
1103 #endif
1104 
1105 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT) //no-check-names
1106 #error "MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT (compatibility with the buggy implementation of truncated HMAC in Mbed TLS up to 2.7) was removed in Mbed TLS 3.0. See https://github.com/Mbed-TLS/mbedtls/issues/4031"
1107 #endif
1108 
1109 #if defined(MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_CERTIFICATES) //no-check-names
1110 #error "MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_CERTIFICATES was removed in Mbed TLS 3.0. See the ChangeLog entry if you really need SHA-1-signed certificates."
1111 #endif
1112 
1113 #if defined(MBEDTLS_ZLIB_SUPPORT) //no-check-names
1114 #error "MBEDTLS_ZLIB_SUPPORT was removed in Mbed TLS 3.0. See https://github.com/Mbed-TLS/mbedtls/issues/4031"
1115 #endif
1116 
1117 #if defined(MBEDTLS_CHECK_PARAMS) //no-check-names
1118 #error "MBEDTLS_CHECK_PARAMS was removed in Mbed TLS 3.0. See https://github.com/Mbed-TLS/mbedtls/issues/4313"
1119 #endif
1120 
1121 #if defined(MBEDTLS_SSL_CID_PADDING_GRANULARITY) //no-check-names
1122 #error "MBEDTLS_SSL_CID_PADDING_GRANULARITY was removed in Mbed TLS 3.0. See https://github.com/Mbed-TLS/mbedtls/issues/4335"
1123 #endif
1124 
1125 #if defined(MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY) //no-check-names
1126 #error "MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY was removed in Mbed TLS 3.0. See https://github.com/Mbed-TLS/mbedtls/issues/4335"
1127 #endif
1128 
1129 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC) //no-check-names
1130 #error "MBEDTLS_SSL_TRUNCATED_HMAC was removed in Mbed TLS 3.0. See https://github.com/Mbed-TLS/mbedtls/issues/4341"
1131 #endif
1132 
1133 #if defined(MBEDTLS_PKCS7_C) && ( ( !defined(MBEDTLS_ASN1_PARSE_C) ) || \
1134     ( !defined(MBEDTLS_OID_C) ) || ( !defined(MBEDTLS_PK_PARSE_C) ) || \
1135     ( !defined(MBEDTLS_X509_CRT_PARSE_C) ) || \
1136     ( !defined(MBEDTLS_X509_CRL_PARSE_C) ) || \
1137     ( !defined(MBEDTLS_MD_C) ) )
1138 #error  "MBEDTLS_PKCS7_C is defined, but not all prerequisites"
1139 #endif
1140 
1141 /*
1142  * Avoid warning from -pedantic. This is a convenient place for this
1143  * workaround since this is included by every single file before the
1144  * #if defined(MBEDTLS_xxx_C) that results in empty translation units.
1145  */
1146 typedef int mbedtls_iso_c_forbids_empty_translation_units;
1147 
1148 /* *INDENT-ON* */
1149 #endif /* MBEDTLS_CHECK_CONFIG_H */
1150