1 /*
2 * Error message information
3 *
4 * Copyright The Mbed TLS Contributors
5 * SPDX-License-Identifier: Apache-2.0
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
8 * not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 */
19
20 #include "common.h"
21
22 #include "mbedtls/error.h"
23
24 #if defined(MBEDTLS_ERROR_C) || defined(MBEDTLS_ERROR_STRERROR_DUMMY)
25
26 #if defined(MBEDTLS_ERROR_C)
27
28 #if defined(MBEDTLS_PLATFORM_C)
29 #include "mbedtls/platform.h"
30 #else
31 #define mbedtls_snprintf snprintf
32 #endif
33
34 #include <stdio.h>
35 #include <string.h>
36
37 #if defined(MBEDTLS_AES_C)
38 #include "mbedtls/aes.h"
39 #endif
40
41 #if defined(MBEDTLS_ARC4_C)
42 #include "mbedtls/arc4.h"
43 #endif
44
45 #if defined(MBEDTLS_ARIA_C)
46 #include "mbedtls/aria.h"
47 #endif
48
49 #if defined(MBEDTLS_ASN1_PARSE_C)
50 #include "mbedtls/asn1.h"
51 #endif
52
53 #if defined(MBEDTLS_BASE64_C)
54 #include "mbedtls/base64.h"
55 #endif
56
57 #if defined(MBEDTLS_BIGNUM_C)
58 #include "mbedtls/bignum.h"
59 #endif
60
61 #if defined(MBEDTLS_BLOWFISH_C)
62 #include "mbedtls/blowfish.h"
63 #endif
64
65 #if defined(MBEDTLS_CAMELLIA_C)
66 #include "mbedtls/camellia.h"
67 #endif
68
69 #if defined(MBEDTLS_CCM_C)
70 #include "mbedtls/ccm.h"
71 #endif
72
73 #if defined(MBEDTLS_CHACHA20_C)
74 #include "mbedtls/chacha20.h"
75 #endif
76
77 #if defined(MBEDTLS_CHACHAPOLY_C)
78 #include "mbedtls/chachapoly.h"
79 #endif
80
81 #if defined(MBEDTLS_CIPHER_C)
82 #include "mbedtls/cipher.h"
83 #endif
84
85 #if defined(MBEDTLS_CMAC_C)
86 #include "mbedtls/cmac.h"
87 #endif
88
89 #if defined(MBEDTLS_CTR_DRBG_C)
90 #include "mbedtls/ctr_drbg.h"
91 #endif
92
93 #if defined(MBEDTLS_DES_C)
94 #include "mbedtls/des.h"
95 #endif
96
97 #if defined(MBEDTLS_DHM_C)
98 #include "mbedtls/dhm.h"
99 #endif
100
101 #if defined(MBEDTLS_ECP_C)
102 #include "mbedtls/ecp.h"
103 #endif
104
105 #if defined(MBEDTLS_ENTROPY_C)
106 #include "mbedtls/entropy.h"
107 #endif
108
109 #if defined(MBEDTLS_ERROR_C)
110 #include "mbedtls/error.h"
111 #endif
112
113 #if defined(MBEDTLS_GCM_C)
114 #include "mbedtls/gcm.h"
115 #endif
116
117 #if defined(MBEDTLS_HKDF_C)
118 #include "mbedtls/hkdf.h"
119 #endif
120
121 #if defined(MBEDTLS_HMAC_DRBG_C)
122 #include "mbedtls/hmac_drbg.h"
123 #endif
124
125 #if defined(MBEDTLS_MD_C)
126 #include "mbedtls/md.h"
127 #endif
128
129 #if defined(MBEDTLS_MD2_C)
130 #include "mbedtls/md2.h"
131 #endif
132
133 #if defined(MBEDTLS_MD4_C)
134 #include "mbedtls/md4.h"
135 #endif
136
137 #if defined(MBEDTLS_MD5_C)
138 #include "mbedtls/md5.h"
139 #endif
140
141 #if defined(MBEDTLS_NET_C)
142 #include "mbedtls/net_sockets.h"
143 #endif
144
145 #if defined(MBEDTLS_OID_C)
146 #include "mbedtls/oid.h"
147 #endif
148
149 #if defined(MBEDTLS_PADLOCK_C)
150 #include "mbedtls/padlock.h"
151 #endif
152
153 #if defined(MBEDTLS_PEM_PARSE_C) || defined(MBEDTLS_PEM_WRITE_C)
154 #include "mbedtls/pem.h"
155 #endif
156
157 #if defined(MBEDTLS_PK_C)
158 #include "mbedtls/pk.h"
159 #endif
160
161 #if defined(MBEDTLS_PKCS12_C)
162 #include "mbedtls/pkcs12.h"
163 #endif
164
165 #if defined(MBEDTLS_PKCS5_C)
166 #include "mbedtls/pkcs5.h"
167 #endif
168
169 #if defined(MBEDTLS_PLATFORM_C)
170 #include "mbedtls/platform.h"
171 #endif
172
173 #if defined(MBEDTLS_POLY1305_C)
174 #include "mbedtls/poly1305.h"
175 #endif
176
177 #if defined(MBEDTLS_RIPEMD160_C)
178 #include "mbedtls/ripemd160.h"
179 #endif
180
181 #if defined(MBEDTLS_RSA_C)
182 #include "mbedtls/rsa.h"
183 #endif
184
185 #if defined(MBEDTLS_SHA1_C)
186 #include "mbedtls/sha1.h"
187 #endif
188
189 #if defined(MBEDTLS_SHA256_C)
190 #include "mbedtls/sha256.h"
191 #endif
192
193 #if defined(MBEDTLS_SHA512_C)
194 #include "mbedtls/sha512.h"
195 #endif
196
197 #if defined(MBEDTLS_SSL_TLS_C)
198 #include "mbedtls/ssl.h"
199 #endif
200
201 #if defined(MBEDTLS_THREADING_C)
202 #include "mbedtls/threading.h"
203 #endif
204
205 #if defined(MBEDTLS_X509_USE_C) || defined(MBEDTLS_X509_CREATE_C)
206 #include "mbedtls/x509.h"
207 #endif
208
209 #if defined(MBEDTLS_XTEA_C)
210 #include "mbedtls/xtea.h"
211 #endif
212
213
mbedtls_high_level_strerr(int error_code)214 const char * mbedtls_high_level_strerr( int error_code )
215 {
216 int high_level_error_code;
217
218 if( error_code < 0 )
219 error_code = -error_code;
220
221 /* Extract the high-level part from the error code. */
222 high_level_error_code = error_code & 0xFF80;
223
224 switch( high_level_error_code )
225 {
226 /* Begin Auto-Generated Code. */
227 #if defined(MBEDTLS_CIPHER_C)
228 case -(MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE):
229 return( "CIPHER - The selected feature is not available" );
230 case -(MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA):
231 return( "CIPHER - Bad input parameters" );
232 case -(MBEDTLS_ERR_CIPHER_ALLOC_FAILED):
233 return( "CIPHER - Failed to allocate memory" );
234 case -(MBEDTLS_ERR_CIPHER_INVALID_PADDING):
235 return( "CIPHER - Input data contains invalid padding and is rejected" );
236 case -(MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED):
237 return( "CIPHER - Decryption of block requires a full block" );
238 case -(MBEDTLS_ERR_CIPHER_AUTH_FAILED):
239 return( "CIPHER - Authentication failed (for AEAD modes)" );
240 case -(MBEDTLS_ERR_CIPHER_INVALID_CONTEXT):
241 return( "CIPHER - The context is invalid. For example, because it was freed" );
242 case -(MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED):
243 return( "CIPHER - Cipher hardware accelerator failed" );
244 #endif /* MBEDTLS_CIPHER_C */
245
246 #if defined(MBEDTLS_DHM_C)
247 case -(MBEDTLS_ERR_DHM_BAD_INPUT_DATA):
248 return( "DHM - Bad input parameters" );
249 case -(MBEDTLS_ERR_DHM_READ_PARAMS_FAILED):
250 return( "DHM - Reading of the DHM parameters failed" );
251 case -(MBEDTLS_ERR_DHM_MAKE_PARAMS_FAILED):
252 return( "DHM - Making of the DHM parameters failed" );
253 case -(MBEDTLS_ERR_DHM_READ_PUBLIC_FAILED):
254 return( "DHM - Reading of the public values failed" );
255 case -(MBEDTLS_ERR_DHM_MAKE_PUBLIC_FAILED):
256 return( "DHM - Making of the public value failed" );
257 case -(MBEDTLS_ERR_DHM_CALC_SECRET_FAILED):
258 return( "DHM - Calculation of the DHM secret failed" );
259 case -(MBEDTLS_ERR_DHM_INVALID_FORMAT):
260 return( "DHM - The ASN.1 data is not formatted correctly" );
261 case -(MBEDTLS_ERR_DHM_ALLOC_FAILED):
262 return( "DHM - Allocation of memory failed" );
263 case -(MBEDTLS_ERR_DHM_FILE_IO_ERROR):
264 return( "DHM - Read or write of file failed" );
265 case -(MBEDTLS_ERR_DHM_HW_ACCEL_FAILED):
266 return( "DHM - DHM hardware accelerator failed" );
267 case -(MBEDTLS_ERR_DHM_SET_GROUP_FAILED):
268 return( "DHM - Setting the modulus and generator failed" );
269 #endif /* MBEDTLS_DHM_C */
270
271 #if defined(MBEDTLS_ECP_C)
272 case -(MBEDTLS_ERR_ECP_BAD_INPUT_DATA):
273 return( "ECP - Bad input parameters to function" );
274 case -(MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL):
275 return( "ECP - The buffer is too small to write to" );
276 case -(MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE):
277 return( "ECP - The requested feature is not available, for example, the requested curve is not supported" );
278 case -(MBEDTLS_ERR_ECP_VERIFY_FAILED):
279 return( "ECP - The signature is not valid" );
280 case -(MBEDTLS_ERR_ECP_ALLOC_FAILED):
281 return( "ECP - Memory allocation failed" );
282 case -(MBEDTLS_ERR_ECP_RANDOM_FAILED):
283 return( "ECP - Generation of random value, such as ephemeral key, failed" );
284 case -(MBEDTLS_ERR_ECP_INVALID_KEY):
285 return( "ECP - Invalid private or public key" );
286 case -(MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH):
287 return( "ECP - The buffer contains a valid signature followed by more data" );
288 case -(MBEDTLS_ERR_ECP_HW_ACCEL_FAILED):
289 return( "ECP - The ECP hardware accelerator failed" );
290 case -(MBEDTLS_ERR_ECP_IN_PROGRESS):
291 return( "ECP - Operation in progress, call again with the same parameters to continue" );
292 #endif /* MBEDTLS_ECP_C */
293
294 #if defined(MBEDTLS_MD_C)
295 case -(MBEDTLS_ERR_MD_FEATURE_UNAVAILABLE):
296 return( "MD - The selected feature is not available" );
297 case -(MBEDTLS_ERR_MD_BAD_INPUT_DATA):
298 return( "MD - Bad input parameters to function" );
299 case -(MBEDTLS_ERR_MD_ALLOC_FAILED):
300 return( "MD - Failed to allocate memory" );
301 case -(MBEDTLS_ERR_MD_FILE_IO_ERROR):
302 return( "MD - Opening or reading of file failed" );
303 case -(MBEDTLS_ERR_MD_HW_ACCEL_FAILED):
304 return( "MD - MD hardware accelerator failed" );
305 #endif /* MBEDTLS_MD_C */
306
307 #if defined(MBEDTLS_PEM_PARSE_C) || defined(MBEDTLS_PEM_WRITE_C)
308 case -(MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT):
309 return( "PEM - No PEM header or footer found" );
310 case -(MBEDTLS_ERR_PEM_INVALID_DATA):
311 return( "PEM - PEM string is not as expected" );
312 case -(MBEDTLS_ERR_PEM_ALLOC_FAILED):
313 return( "PEM - Failed to allocate memory" );
314 case -(MBEDTLS_ERR_PEM_INVALID_ENC_IV):
315 return( "PEM - RSA IV is not in hex-format" );
316 case -(MBEDTLS_ERR_PEM_UNKNOWN_ENC_ALG):
317 return( "PEM - Unsupported key encryption algorithm" );
318 case -(MBEDTLS_ERR_PEM_PASSWORD_REQUIRED):
319 return( "PEM - Private key password can't be empty" );
320 case -(MBEDTLS_ERR_PEM_PASSWORD_MISMATCH):
321 return( "PEM - Given private key password does not allow for correct decryption" );
322 case -(MBEDTLS_ERR_PEM_FEATURE_UNAVAILABLE):
323 return( "PEM - Unavailable feature, e.g. hashing/encryption combination" );
324 case -(MBEDTLS_ERR_PEM_BAD_INPUT_DATA):
325 return( "PEM - Bad input parameters to function" );
326 #endif /* MBEDTLS_PEM_PARSE_C || MBEDTLS_PEM_WRITE_C */
327
328 #if defined(MBEDTLS_PK_C)
329 case -(MBEDTLS_ERR_PK_ALLOC_FAILED):
330 return( "PK - Memory allocation failed" );
331 case -(MBEDTLS_ERR_PK_TYPE_MISMATCH):
332 return( "PK - Type mismatch, eg attempt to encrypt with an ECDSA key" );
333 case -(MBEDTLS_ERR_PK_BAD_INPUT_DATA):
334 return( "PK - Bad input parameters to function" );
335 case -(MBEDTLS_ERR_PK_FILE_IO_ERROR):
336 return( "PK - Read/write of file failed" );
337 case -(MBEDTLS_ERR_PK_KEY_INVALID_VERSION):
338 return( "PK - Unsupported key version" );
339 case -(MBEDTLS_ERR_PK_KEY_INVALID_FORMAT):
340 return( "PK - Invalid key tag or value" );
341 case -(MBEDTLS_ERR_PK_UNKNOWN_PK_ALG):
342 return( "PK - Key algorithm is unsupported (only RSA and EC are supported)" );
343 case -(MBEDTLS_ERR_PK_PASSWORD_REQUIRED):
344 return( "PK - Private key password can't be empty" );
345 case -(MBEDTLS_ERR_PK_PASSWORD_MISMATCH):
346 return( "PK - Given private key password does not allow for correct decryption" );
347 case -(MBEDTLS_ERR_PK_INVALID_PUBKEY):
348 return( "PK - The pubkey tag or value is invalid (only RSA and EC are supported)" );
349 case -(MBEDTLS_ERR_PK_INVALID_ALG):
350 return( "PK - The algorithm tag or value is invalid" );
351 case -(MBEDTLS_ERR_PK_UNKNOWN_NAMED_CURVE):
352 return( "PK - Elliptic curve is unsupported (only NIST curves are supported)" );
353 case -(MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE):
354 return( "PK - Unavailable feature, e.g. RSA disabled for RSA key" );
355 case -(MBEDTLS_ERR_PK_SIG_LEN_MISMATCH):
356 return( "PK - The buffer contains a valid signature followed by more data" );
357 case -(MBEDTLS_ERR_PK_HW_ACCEL_FAILED):
358 return( "PK - PK hardware accelerator failed" );
359 #endif /* MBEDTLS_PK_C */
360
361 #if defined(MBEDTLS_PKCS12_C)
362 case -(MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA):
363 return( "PKCS12 - Bad input parameters to function" );
364 case -(MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE):
365 return( "PKCS12 - Feature not available, e.g. unsupported encryption scheme" );
366 case -(MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT):
367 return( "PKCS12 - PBE ASN.1 data not as expected" );
368 case -(MBEDTLS_ERR_PKCS12_PASSWORD_MISMATCH):
369 return( "PKCS12 - Given private key password does not allow for correct decryption" );
370 #endif /* MBEDTLS_PKCS12_C */
371
372 #if defined(MBEDTLS_PKCS5_C)
373 case -(MBEDTLS_ERR_PKCS5_BAD_INPUT_DATA):
374 return( "PKCS5 - Bad input parameters to function" );
375 case -(MBEDTLS_ERR_PKCS5_INVALID_FORMAT):
376 return( "PKCS5 - Unexpected ASN.1 data" );
377 case -(MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE):
378 return( "PKCS5 - Requested encryption or digest alg not available" );
379 case -(MBEDTLS_ERR_PKCS5_PASSWORD_MISMATCH):
380 return( "PKCS5 - Given private key password does not allow for correct decryption" );
381 #endif /* MBEDTLS_PKCS5_C */
382
383 #if defined(MBEDTLS_RSA_C)
384 case -(MBEDTLS_ERR_RSA_BAD_INPUT_DATA):
385 return( "RSA - Bad input parameters to function" );
386 case -(MBEDTLS_ERR_RSA_INVALID_PADDING):
387 return( "RSA - Input data contains invalid padding and is rejected" );
388 case -(MBEDTLS_ERR_RSA_KEY_GEN_FAILED):
389 return( "RSA - Something failed during generation of a key" );
390 case -(MBEDTLS_ERR_RSA_KEY_CHECK_FAILED):
391 return( "RSA - Key failed to pass the validity check of the library" );
392 case -(MBEDTLS_ERR_RSA_PUBLIC_FAILED):
393 return( "RSA - The public key operation failed" );
394 case -(MBEDTLS_ERR_RSA_PRIVATE_FAILED):
395 return( "RSA - The private key operation failed" );
396 case -(MBEDTLS_ERR_RSA_VERIFY_FAILED):
397 return( "RSA - The PKCS#1 verification failed" );
398 case -(MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE):
399 return( "RSA - The output buffer for decryption is not large enough" );
400 case -(MBEDTLS_ERR_RSA_RNG_FAILED):
401 return( "RSA - The random generator failed to generate non-zeros" );
402 case -(MBEDTLS_ERR_RSA_UNSUPPORTED_OPERATION):
403 return( "RSA - The implementation does not offer the requested operation, for example, because of security violations or lack of functionality" );
404 case -(MBEDTLS_ERR_RSA_HW_ACCEL_FAILED):
405 return( "RSA - RSA hardware accelerator failed" );
406 #endif /* MBEDTLS_RSA_C */
407
408 #if defined(MBEDTLS_SSL_TLS_C)
409 case -(MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE):
410 return( "SSL - The requested feature is not available" );
411 case -(MBEDTLS_ERR_SSL_BAD_INPUT_DATA):
412 return( "SSL - Bad input parameters to function" );
413 case -(MBEDTLS_ERR_SSL_INVALID_MAC):
414 return( "SSL - Verification of the message MAC failed" );
415 case -(MBEDTLS_ERR_SSL_INVALID_RECORD):
416 return( "SSL - An invalid SSL record was received" );
417 case -(MBEDTLS_ERR_SSL_CONN_EOF):
418 return( "SSL - The connection indicated an EOF" );
419 case -(MBEDTLS_ERR_SSL_UNKNOWN_CIPHER):
420 return( "SSL - An unknown cipher was received" );
421 case -(MBEDTLS_ERR_SSL_NO_CIPHER_CHOSEN):
422 return( "SSL - The server has no ciphersuites in common with the client" );
423 case -(MBEDTLS_ERR_SSL_NO_RNG):
424 return( "SSL - No RNG was provided to the SSL module" );
425 case -(MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE):
426 return( "SSL - No client certification received from the client, but required by the authentication mode" );
427 case -(MBEDTLS_ERR_SSL_CERTIFICATE_TOO_LARGE):
428 return( "SSL - Our own certificate(s) is/are too large to send in an SSL message" );
429 case -(MBEDTLS_ERR_SSL_CERTIFICATE_REQUIRED):
430 return( "SSL - The own certificate is not set, but needed by the server" );
431 case -(MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED):
432 return( "SSL - The own private key or pre-shared key is not set, but needed" );
433 case -(MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED):
434 return( "SSL - No CA Chain is set, but required to operate" );
435 case -(MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE):
436 return( "SSL - An unexpected message was received from our peer" );
437 case -(MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE):
438 return( "SSL - A fatal alert message was received from our peer" );
439 case -(MBEDTLS_ERR_SSL_PEER_VERIFY_FAILED):
440 return( "SSL - Verification of our peer failed" );
441 case -(MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY):
442 return( "SSL - The peer notified us that the connection is going to be closed" );
443 case -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO):
444 return( "SSL - Processing of the ClientHello handshake message failed" );
445 case -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO):
446 return( "SSL - Processing of the ServerHello handshake message failed" );
447 case -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE):
448 return( "SSL - Processing of the Certificate handshake message failed" );
449 case -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST):
450 return( "SSL - Processing of the CertificateRequest handshake message failed" );
451 case -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE):
452 return( "SSL - Processing of the ServerKeyExchange handshake message failed" );
453 case -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO_DONE):
454 return( "SSL - Processing of the ServerHelloDone handshake message failed" );
455 case -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE):
456 return( "SSL - Processing of the ClientKeyExchange handshake message failed" );
457 case -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP):
458 return( "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Read Public" );
459 case -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_CS):
460 return( "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Calculate Secret" );
461 case -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY):
462 return( "SSL - Processing of the CertificateVerify handshake message failed" );
463 case -(MBEDTLS_ERR_SSL_BAD_HS_CHANGE_CIPHER_SPEC):
464 return( "SSL - Processing of the ChangeCipherSpec handshake message failed" );
465 case -(MBEDTLS_ERR_SSL_BAD_HS_FINISHED):
466 return( "SSL - Processing of the Finished handshake message failed" );
467 case -(MBEDTLS_ERR_SSL_ALLOC_FAILED):
468 return( "SSL - Memory allocation failed" );
469 case -(MBEDTLS_ERR_SSL_HW_ACCEL_FAILED):
470 return( "SSL - Hardware acceleration function returned with error" );
471 case -(MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH):
472 return( "SSL - Hardware acceleration function skipped / left alone data" );
473 case -(MBEDTLS_ERR_SSL_COMPRESSION_FAILED):
474 return( "SSL - Processing of the compression / decompression failed" );
475 case -(MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION):
476 return( "SSL - Handshake protocol not within min/max boundaries" );
477 case -(MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET):
478 return( "SSL - Processing of the NewSessionTicket handshake message failed" );
479 case -(MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED):
480 return( "SSL - Session ticket has expired" );
481 case -(MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH):
482 return( "SSL - Public key type mismatch (eg, asked for RSA key exchange and presented EC key)" );
483 case -(MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY):
484 return( "SSL - Unknown identity received (eg, PSK identity)" );
485 case -(MBEDTLS_ERR_SSL_INTERNAL_ERROR):
486 return( "SSL - Internal error (eg, unexpected failure in lower-level module)" );
487 case -(MBEDTLS_ERR_SSL_COUNTER_WRAPPING):
488 return( "SSL - A counter would wrap (eg, too many messages exchanged)" );
489 case -(MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO):
490 return( "SSL - Unexpected message at ServerHello in renegotiation" );
491 case -(MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED):
492 return( "SSL - DTLS client must retry for hello verification" );
493 case -(MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL):
494 return( "SSL - A buffer is too small to receive or write a message" );
495 case -(MBEDTLS_ERR_SSL_NO_USABLE_CIPHERSUITE):
496 return( "SSL - None of the common ciphersuites is usable (eg, no suitable certificate, see debug messages)" );
497 case -(MBEDTLS_ERR_SSL_WANT_READ):
498 return( "SSL - No data of requested type currently available on underlying transport" );
499 case -(MBEDTLS_ERR_SSL_WANT_WRITE):
500 return( "SSL - Connection requires a write call" );
501 case -(MBEDTLS_ERR_SSL_TIMEOUT):
502 return( "SSL - The operation timed out" );
503 case -(MBEDTLS_ERR_SSL_CLIENT_RECONNECT):
504 return( "SSL - The client initiated a reconnect from the same port" );
505 case -(MBEDTLS_ERR_SSL_UNEXPECTED_RECORD):
506 return( "SSL - Record header looks valid but is not expected" );
507 case -(MBEDTLS_ERR_SSL_NON_FATAL):
508 return( "SSL - The alert message received indicates a non-fatal error" );
509 case -(MBEDTLS_ERR_SSL_INVALID_VERIFY_HASH):
510 return( "SSL - Couldn't set the hash for verifying CertificateVerify" );
511 case -(MBEDTLS_ERR_SSL_CONTINUE_PROCESSING):
512 return( "SSL - Internal-only message signaling that further message-processing should be done" );
513 case -(MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS):
514 return( "SSL - The asynchronous operation is not completed yet" );
515 case -(MBEDTLS_ERR_SSL_EARLY_MESSAGE):
516 return( "SSL - Internal-only message signaling that a message arrived early" );
517 case -(MBEDTLS_ERR_SSL_UNEXPECTED_CID):
518 return( "SSL - An encrypted DTLS-frame with an unexpected CID was received" );
519 case -(MBEDTLS_ERR_SSL_VERSION_MISMATCH):
520 return( "SSL - An operation failed due to an unexpected version or configuration" );
521 case -(MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS):
522 return( "SSL - A cryptographic operation is in progress. Try again later" );
523 case -(MBEDTLS_ERR_SSL_BAD_CONFIG):
524 return( "SSL - Invalid value in SSL config" );
525 #endif /* MBEDTLS_SSL_TLS_C */
526
527 #if defined(MBEDTLS_X509_USE_C) || defined(MBEDTLS_X509_CREATE_C)
528 case -(MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE):
529 return( "X509 - Unavailable feature, e.g. RSA hashing/encryption combination" );
530 case -(MBEDTLS_ERR_X509_UNKNOWN_OID):
531 return( "X509 - Requested OID is unknown" );
532 case -(MBEDTLS_ERR_X509_INVALID_FORMAT):
533 return( "X509 - The CRT/CRL/CSR format is invalid, e.g. different type expected" );
534 case -(MBEDTLS_ERR_X509_INVALID_VERSION):
535 return( "X509 - The CRT/CRL/CSR version element is invalid" );
536 case -(MBEDTLS_ERR_X509_INVALID_SERIAL):
537 return( "X509 - The serial tag or value is invalid" );
538 case -(MBEDTLS_ERR_X509_INVALID_ALG):
539 return( "X509 - The algorithm tag or value is invalid" );
540 case -(MBEDTLS_ERR_X509_INVALID_NAME):
541 return( "X509 - The name tag or value is invalid" );
542 case -(MBEDTLS_ERR_X509_INVALID_DATE):
543 return( "X509 - The date tag or value is invalid" );
544 case -(MBEDTLS_ERR_X509_INVALID_SIGNATURE):
545 return( "X509 - The signature tag or value invalid" );
546 case -(MBEDTLS_ERR_X509_INVALID_EXTENSIONS):
547 return( "X509 - The extension tag or value is invalid" );
548 case -(MBEDTLS_ERR_X509_UNKNOWN_VERSION):
549 return( "X509 - CRT/CRL/CSR has an unsupported version number" );
550 case -(MBEDTLS_ERR_X509_UNKNOWN_SIG_ALG):
551 return( "X509 - Signature algorithm (oid) is unsupported" );
552 case -(MBEDTLS_ERR_X509_SIG_MISMATCH):
553 return( "X509 - Signature algorithms do not match. (see \\c ::mbedtls_x509_crt sig_oid)" );
554 case -(MBEDTLS_ERR_X509_CERT_VERIFY_FAILED):
555 return( "X509 - Certificate verification failed, e.g. CRL, CA or signature check failed" );
556 case -(MBEDTLS_ERR_X509_CERT_UNKNOWN_FORMAT):
557 return( "X509 - Format not recognized as DER or PEM" );
558 case -(MBEDTLS_ERR_X509_BAD_INPUT_DATA):
559 return( "X509 - Input invalid" );
560 case -(MBEDTLS_ERR_X509_ALLOC_FAILED):
561 return( "X509 - Allocation of memory failed" );
562 case -(MBEDTLS_ERR_X509_FILE_IO_ERROR):
563 return( "X509 - Read/write of file failed" );
564 case -(MBEDTLS_ERR_X509_BUFFER_TOO_SMALL):
565 return( "X509 - Destination buffer is too small" );
566 case -(MBEDTLS_ERR_X509_FATAL_ERROR):
567 return( "X509 - A fatal error occurred, eg the chain is too long or the vrfy callback failed" );
568 #endif /* MBEDTLS_X509_USE_C || MBEDTLS_X509_CREATE_C */
569 /* End Auto-Generated Code. */
570
571 default:
572 break;
573 }
574
575 return( NULL );
576 }
577
mbedtls_low_level_strerr(int error_code)578 const char * mbedtls_low_level_strerr( int error_code )
579 {
580 int low_level_error_code;
581
582 if( error_code < 0 )
583 error_code = -error_code;
584
585 /* Extract the low-level part from the error code. */
586 low_level_error_code = error_code & ~0xFF80;
587
588 switch( low_level_error_code )
589 {
590 /* Begin Auto-Generated Code. */
591 #if defined(MBEDTLS_AES_C)
592 case -(MBEDTLS_ERR_AES_INVALID_KEY_LENGTH):
593 return( "AES - Invalid key length" );
594 case -(MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH):
595 return( "AES - Invalid data input length" );
596 case -(MBEDTLS_ERR_AES_BAD_INPUT_DATA):
597 return( "AES - Invalid input data" );
598 case -(MBEDTLS_ERR_AES_FEATURE_UNAVAILABLE):
599 return( "AES - Feature not available. For example, an unsupported AES key size" );
600 case -(MBEDTLS_ERR_AES_HW_ACCEL_FAILED):
601 return( "AES - AES hardware accelerator failed" );
602 #endif /* MBEDTLS_AES_C */
603
604 #if defined(MBEDTLS_ARC4_C)
605 case -(MBEDTLS_ERR_ARC4_HW_ACCEL_FAILED):
606 return( "ARC4 - ARC4 hardware accelerator failed" );
607 #endif /* MBEDTLS_ARC4_C */
608
609 #if defined(MBEDTLS_ARIA_C)
610 case -(MBEDTLS_ERR_ARIA_BAD_INPUT_DATA):
611 return( "ARIA - Bad input data" );
612 case -(MBEDTLS_ERR_ARIA_INVALID_INPUT_LENGTH):
613 return( "ARIA - Invalid data input length" );
614 case -(MBEDTLS_ERR_ARIA_FEATURE_UNAVAILABLE):
615 return( "ARIA - Feature not available. For example, an unsupported ARIA key size" );
616 case -(MBEDTLS_ERR_ARIA_HW_ACCEL_FAILED):
617 return( "ARIA - ARIA hardware accelerator failed" );
618 #endif /* MBEDTLS_ARIA_C */
619
620 #if defined(MBEDTLS_ASN1_PARSE_C)
621 case -(MBEDTLS_ERR_ASN1_OUT_OF_DATA):
622 return( "ASN1 - Out of data when parsing an ASN1 data structure" );
623 case -(MBEDTLS_ERR_ASN1_UNEXPECTED_TAG):
624 return( "ASN1 - ASN1 tag was of an unexpected value" );
625 case -(MBEDTLS_ERR_ASN1_INVALID_LENGTH):
626 return( "ASN1 - Error when trying to determine the length or invalid length" );
627 case -(MBEDTLS_ERR_ASN1_LENGTH_MISMATCH):
628 return( "ASN1 - Actual length differs from expected length" );
629 case -(MBEDTLS_ERR_ASN1_INVALID_DATA):
630 return( "ASN1 - Data is invalid" );
631 case -(MBEDTLS_ERR_ASN1_ALLOC_FAILED):
632 return( "ASN1 - Memory allocation failed" );
633 case -(MBEDTLS_ERR_ASN1_BUF_TOO_SMALL):
634 return( "ASN1 - Buffer too small when writing ASN.1 data structure" );
635 #endif /* MBEDTLS_ASN1_PARSE_C */
636
637 #if defined(MBEDTLS_BASE64_C)
638 case -(MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL):
639 return( "BASE64 - Output buffer too small" );
640 case -(MBEDTLS_ERR_BASE64_INVALID_CHARACTER):
641 return( "BASE64 - Invalid character in input" );
642 #endif /* MBEDTLS_BASE64_C */
643
644 #if defined(MBEDTLS_BIGNUM_C)
645 case -(MBEDTLS_ERR_MPI_FILE_IO_ERROR):
646 return( "BIGNUM - An error occurred while reading from or writing to a file" );
647 case -(MBEDTLS_ERR_MPI_BAD_INPUT_DATA):
648 return( "BIGNUM - Bad input parameters to function" );
649 case -(MBEDTLS_ERR_MPI_INVALID_CHARACTER):
650 return( "BIGNUM - There is an invalid character in the digit string" );
651 case -(MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL):
652 return( "BIGNUM - The buffer is too small to write to" );
653 case -(MBEDTLS_ERR_MPI_NEGATIVE_VALUE):
654 return( "BIGNUM - The input arguments are negative or result in illegal output" );
655 case -(MBEDTLS_ERR_MPI_DIVISION_BY_ZERO):
656 return( "BIGNUM - The input argument for division is zero, which is not allowed" );
657 case -(MBEDTLS_ERR_MPI_NOT_ACCEPTABLE):
658 return( "BIGNUM - The input arguments are not acceptable" );
659 case -(MBEDTLS_ERR_MPI_ALLOC_FAILED):
660 return( "BIGNUM - Memory allocation failed" );
661 #endif /* MBEDTLS_BIGNUM_C */
662
663 #if defined(MBEDTLS_BLOWFISH_C)
664 case -(MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA):
665 return( "BLOWFISH - Bad input data" );
666 case -(MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH):
667 return( "BLOWFISH - Invalid data input length" );
668 case -(MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED):
669 return( "BLOWFISH - Blowfish hardware accelerator failed" );
670 #endif /* MBEDTLS_BLOWFISH_C */
671
672 #if defined(MBEDTLS_CAMELLIA_C)
673 case -(MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA):
674 return( "CAMELLIA - Bad input data" );
675 case -(MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH):
676 return( "CAMELLIA - Invalid data input length" );
677 case -(MBEDTLS_ERR_CAMELLIA_HW_ACCEL_FAILED):
678 return( "CAMELLIA - Camellia hardware accelerator failed" );
679 #endif /* MBEDTLS_CAMELLIA_C */
680
681 #if defined(MBEDTLS_CCM_C)
682 case -(MBEDTLS_ERR_CCM_BAD_INPUT):
683 return( "CCM - Bad input parameters to the function" );
684 case -(MBEDTLS_ERR_CCM_AUTH_FAILED):
685 return( "CCM - Authenticated decryption failed" );
686 case -(MBEDTLS_ERR_CCM_HW_ACCEL_FAILED):
687 return( "CCM - CCM hardware accelerator failed" );
688 #endif /* MBEDTLS_CCM_C */
689
690 #if defined(MBEDTLS_CHACHA20_C)
691 case -(MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA):
692 return( "CHACHA20 - Invalid input parameter(s)" );
693 case -(MBEDTLS_ERR_CHACHA20_FEATURE_UNAVAILABLE):
694 return( "CHACHA20 - Feature not available. For example, s part of the API is not implemented" );
695 case -(MBEDTLS_ERR_CHACHA20_HW_ACCEL_FAILED):
696 return( "CHACHA20 - Chacha20 hardware accelerator failed" );
697 #endif /* MBEDTLS_CHACHA20_C */
698
699 #if defined(MBEDTLS_CHACHAPOLY_C)
700 case -(MBEDTLS_ERR_CHACHAPOLY_BAD_STATE):
701 return( "CHACHAPOLY - The requested operation is not permitted in the current state" );
702 case -(MBEDTLS_ERR_CHACHAPOLY_AUTH_FAILED):
703 return( "CHACHAPOLY - Authenticated decryption failed: data was not authentic" );
704 #endif /* MBEDTLS_CHACHAPOLY_C */
705
706 #if defined(MBEDTLS_CMAC_C)
707 case -(MBEDTLS_ERR_CMAC_HW_ACCEL_FAILED):
708 return( "CMAC - CMAC hardware accelerator failed" );
709 #endif /* MBEDTLS_CMAC_C */
710
711 #if defined(MBEDTLS_CTR_DRBG_C)
712 case -(MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED):
713 return( "CTR_DRBG - The entropy source failed" );
714 case -(MBEDTLS_ERR_CTR_DRBG_REQUEST_TOO_BIG):
715 return( "CTR_DRBG - The requested random buffer length is too big" );
716 case -(MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG):
717 return( "CTR_DRBG - The input (entropy + additional data) is too large" );
718 case -(MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR):
719 return( "CTR_DRBG - Read or write error in file" );
720 #endif /* MBEDTLS_CTR_DRBG_C */
721
722 #if defined(MBEDTLS_DES_C)
723 case -(MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH):
724 return( "DES - The data input has an invalid length" );
725 case -(MBEDTLS_ERR_DES_HW_ACCEL_FAILED):
726 return( "DES - DES hardware accelerator failed" );
727 #endif /* MBEDTLS_DES_C */
728
729 #if defined(MBEDTLS_ENTROPY_C)
730 case -(MBEDTLS_ERR_ENTROPY_SOURCE_FAILED):
731 return( "ENTROPY - Critical entropy source failure" );
732 case -(MBEDTLS_ERR_ENTROPY_MAX_SOURCES):
733 return( "ENTROPY - No more sources can be added" );
734 case -(MBEDTLS_ERR_ENTROPY_NO_SOURCES_DEFINED):
735 return( "ENTROPY - No sources have been added to poll" );
736 case -(MBEDTLS_ERR_ENTROPY_NO_STRONG_SOURCE):
737 return( "ENTROPY - No strong sources have been added to poll" );
738 case -(MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR):
739 return( "ENTROPY - Read/write error in file" );
740 #endif /* MBEDTLS_ENTROPY_C */
741
742 #if defined(MBEDTLS_ERROR_C)
743 case -(MBEDTLS_ERR_ERROR_GENERIC_ERROR):
744 return( "ERROR - Generic error" );
745 case -(MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED):
746 return( "ERROR - This is a bug in the library" );
747 #endif /* MBEDTLS_ERROR_C */
748
749 #if defined(MBEDTLS_GCM_C)
750 case -(MBEDTLS_ERR_GCM_AUTH_FAILED):
751 return( "GCM - Authenticated decryption failed" );
752 case -(MBEDTLS_ERR_GCM_HW_ACCEL_FAILED):
753 return( "GCM - GCM hardware accelerator failed" );
754 case -(MBEDTLS_ERR_GCM_BAD_INPUT):
755 return( "GCM - Bad input parameters to function" );
756 #endif /* MBEDTLS_GCM_C */
757
758 #if defined(MBEDTLS_HKDF_C)
759 case -(MBEDTLS_ERR_HKDF_BAD_INPUT_DATA):
760 return( "HKDF - Bad input parameters to function" );
761 #endif /* MBEDTLS_HKDF_C */
762
763 #if defined(MBEDTLS_HMAC_DRBG_C)
764 case -(MBEDTLS_ERR_HMAC_DRBG_REQUEST_TOO_BIG):
765 return( "HMAC_DRBG - Too many random requested in single call" );
766 case -(MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG):
767 return( "HMAC_DRBG - Input too large (Entropy + additional)" );
768 case -(MBEDTLS_ERR_HMAC_DRBG_FILE_IO_ERROR):
769 return( "HMAC_DRBG - Read/write error in file" );
770 case -(MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED):
771 return( "HMAC_DRBG - The entropy source failed" );
772 #endif /* MBEDTLS_HMAC_DRBG_C */
773
774 #if defined(MBEDTLS_MD2_C)
775 case -(MBEDTLS_ERR_MD2_HW_ACCEL_FAILED):
776 return( "MD2 - MD2 hardware accelerator failed" );
777 #endif /* MBEDTLS_MD2_C */
778
779 #if defined(MBEDTLS_MD4_C)
780 case -(MBEDTLS_ERR_MD4_HW_ACCEL_FAILED):
781 return( "MD4 - MD4 hardware accelerator failed" );
782 #endif /* MBEDTLS_MD4_C */
783
784 #if defined(MBEDTLS_MD5_C)
785 case -(MBEDTLS_ERR_MD5_HW_ACCEL_FAILED):
786 return( "MD5 - MD5 hardware accelerator failed" );
787 #endif /* MBEDTLS_MD5_C */
788
789 #if defined(MBEDTLS_NET_C)
790 case -(MBEDTLS_ERR_NET_SOCKET_FAILED):
791 return( "NET - Failed to open a socket" );
792 case -(MBEDTLS_ERR_NET_CONNECT_FAILED):
793 return( "NET - The connection to the given server / port failed" );
794 case -(MBEDTLS_ERR_NET_BIND_FAILED):
795 return( "NET - Binding of the socket failed" );
796 case -(MBEDTLS_ERR_NET_LISTEN_FAILED):
797 return( "NET - Could not listen on the socket" );
798 case -(MBEDTLS_ERR_NET_ACCEPT_FAILED):
799 return( "NET - Could not accept the incoming connection" );
800 case -(MBEDTLS_ERR_NET_RECV_FAILED):
801 return( "NET - Reading information from the socket failed" );
802 case -(MBEDTLS_ERR_NET_SEND_FAILED):
803 return( "NET - Sending information through the socket failed" );
804 case -(MBEDTLS_ERR_NET_CONN_RESET):
805 return( "NET - Connection was reset by peer" );
806 case -(MBEDTLS_ERR_NET_UNKNOWN_HOST):
807 return( "NET - Failed to get an IP address for the given hostname" );
808 case -(MBEDTLS_ERR_NET_BUFFER_TOO_SMALL):
809 return( "NET - Buffer is too small to hold the data" );
810 case -(MBEDTLS_ERR_NET_INVALID_CONTEXT):
811 return( "NET - The context is invalid, eg because it was free()ed" );
812 case -(MBEDTLS_ERR_NET_POLL_FAILED):
813 return( "NET - Polling the net context failed" );
814 case -(MBEDTLS_ERR_NET_BAD_INPUT_DATA):
815 return( "NET - Input invalid" );
816 #endif /* MBEDTLS_NET_C */
817
818 #if defined(MBEDTLS_OID_C)
819 case -(MBEDTLS_ERR_OID_NOT_FOUND):
820 return( "OID - OID is not found" );
821 case -(MBEDTLS_ERR_OID_BUF_TOO_SMALL):
822 return( "OID - output buffer is too small" );
823 #endif /* MBEDTLS_OID_C */
824
825 #if defined(MBEDTLS_PADLOCK_C)
826 case -(MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED):
827 return( "PADLOCK - Input data should be aligned" );
828 #endif /* MBEDTLS_PADLOCK_C */
829
830 #if defined(MBEDTLS_PLATFORM_C)
831 case -(MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED):
832 return( "PLATFORM - Hardware accelerator failed" );
833 case -(MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED):
834 return( "PLATFORM - The requested feature is not supported by the platform" );
835 #endif /* MBEDTLS_PLATFORM_C */
836
837 #if defined(MBEDTLS_POLY1305_C)
838 case -(MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA):
839 return( "POLY1305 - Invalid input parameter(s)" );
840 case -(MBEDTLS_ERR_POLY1305_FEATURE_UNAVAILABLE):
841 return( "POLY1305 - Feature not available. For example, s part of the API is not implemented" );
842 case -(MBEDTLS_ERR_POLY1305_HW_ACCEL_FAILED):
843 return( "POLY1305 - Poly1305 hardware accelerator failed" );
844 #endif /* MBEDTLS_POLY1305_C */
845
846 #if defined(MBEDTLS_RIPEMD160_C)
847 case -(MBEDTLS_ERR_RIPEMD160_HW_ACCEL_FAILED):
848 return( "RIPEMD160 - RIPEMD160 hardware accelerator failed" );
849 #endif /* MBEDTLS_RIPEMD160_C */
850
851 #if defined(MBEDTLS_SHA1_C)
852 case -(MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED):
853 return( "SHA1 - SHA-1 hardware accelerator failed" );
854 case -(MBEDTLS_ERR_SHA1_BAD_INPUT_DATA):
855 return( "SHA1 - SHA-1 input data was malformed" );
856 #endif /* MBEDTLS_SHA1_C */
857
858 #if defined(MBEDTLS_SHA256_C)
859 case -(MBEDTLS_ERR_SHA256_HW_ACCEL_FAILED):
860 return( "SHA256 - SHA-256 hardware accelerator failed" );
861 case -(MBEDTLS_ERR_SHA256_BAD_INPUT_DATA):
862 return( "SHA256 - SHA-256 input data was malformed" );
863 #endif /* MBEDTLS_SHA256_C */
864
865 #if defined(MBEDTLS_SHA512_C)
866 case -(MBEDTLS_ERR_SHA512_HW_ACCEL_FAILED):
867 return( "SHA512 - SHA-512 hardware accelerator failed" );
868 case -(MBEDTLS_ERR_SHA512_BAD_INPUT_DATA):
869 return( "SHA512 - SHA-512 input data was malformed" );
870 #endif /* MBEDTLS_SHA512_C */
871
872 #if defined(MBEDTLS_THREADING_C)
873 case -(MBEDTLS_ERR_THREADING_FEATURE_UNAVAILABLE):
874 return( "THREADING - The selected feature is not available" );
875 case -(MBEDTLS_ERR_THREADING_BAD_INPUT_DATA):
876 return( "THREADING - Bad input parameters to function" );
877 case -(MBEDTLS_ERR_THREADING_MUTEX_ERROR):
878 return( "THREADING - Locking / unlocking / free failed with error code" );
879 #endif /* MBEDTLS_THREADING_C */
880
881 #if defined(MBEDTLS_XTEA_C)
882 case -(MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH):
883 return( "XTEA - The data input has an invalid length" );
884 case -(MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED):
885 return( "XTEA - XTEA hardware accelerator failed" );
886 #endif /* MBEDTLS_XTEA_C */
887 /* End Auto-Generated Code. */
888
889 default:
890 break;
891 }
892
893 return( NULL );
894 }
895
mbedtls_strerror(int ret,char * buf,size_t buflen)896 void mbedtls_strerror( int ret, char *buf, size_t buflen )
897 {
898 size_t len;
899 int use_ret;
900 const char * high_level_error_description = NULL;
901 const char * low_level_error_description = NULL;
902
903 if( buflen == 0 )
904 return;
905
906 memset( buf, 0x00, buflen );
907
908 if( ret < 0 )
909 ret = -ret;
910
911 if( ret & 0xFF80 )
912 {
913 use_ret = ret & 0xFF80;
914
915 // Translate high level error code.
916 high_level_error_description = mbedtls_high_level_strerr( ret );
917
918 if( high_level_error_description == NULL )
919 mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", (unsigned int) use_ret );
920 else
921 mbedtls_snprintf( buf, buflen, "%s", high_level_error_description );
922
923 #if defined(MBEDTLS_SSL_TLS_C)
924 // Early return in case of a fatal error - do not try to translate low
925 // level code.
926 if(use_ret == -(MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE))
927 return;
928 #endif /* MBEDTLS_SSL_TLS_C */
929 }
930
931 use_ret = ret & ~0xFF80;
932
933 if( use_ret == 0 )
934 return;
935
936 // If high level code is present, make a concatenation between both
937 // error strings.
938 //
939 len = strlen( buf );
940
941 if( len > 0 )
942 {
943 if( buflen - len < 5 )
944 return;
945
946 mbedtls_snprintf( buf + len, buflen - len, " : " );
947
948 buf += len + 3;
949 buflen -= len + 3;
950 }
951
952 // Translate low level error code.
953 low_level_error_description = mbedtls_low_level_strerr( ret );
954
955 if( low_level_error_description == NULL )
956 mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", (unsigned int) use_ret );
957 else
958 mbedtls_snprintf( buf, buflen, "%s", low_level_error_description );
959 }
960
961 #else /* MBEDTLS_ERROR_C */
962
963 /*
964 * Provide an non-function in case MBEDTLS_ERROR_C is not defined
965 */
mbedtls_strerror(int ret,char * buf,size_t buflen)966 void mbedtls_strerror( int ret, char *buf, size_t buflen )
967 {
968 ((void) ret);
969
970 if( buflen > 0 )
971 buf[0] = '\0';
972 }
973
974 #endif /* MBEDTLS_ERROR_C */
975
976 #endif /* MBEDTLS_ERROR_C || MBEDTLS_ERROR_STRERROR_DUMMY */
977
