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