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_ARIA_C)
42 #include "mbedtls/aria.h"
43 #endif
44
45 #if defined(MBEDTLS_ASN1_PARSE_C)
46 #include "mbedtls/asn1.h"
47 #endif
48
49 #if defined(MBEDTLS_BASE64_C)
50 #include "mbedtls/base64.h"
51 #endif
52
53 #if defined(MBEDTLS_BIGNUM_C)
54 #include "mbedtls/bignum.h"
55 #endif
56
57 #if defined(MBEDTLS_CAMELLIA_C)
58 #include "mbedtls/camellia.h"
59 #endif
60
61 #if defined(MBEDTLS_CCM_C)
62 #include "mbedtls/ccm.h"
63 #endif
64
65 #if defined(MBEDTLS_CHACHA20_C)
66 #include "mbedtls/chacha20.h"
67 #endif
68
69 #if defined(MBEDTLS_CHACHAPOLY_C)
70 #include "mbedtls/chachapoly.h"
71 #endif
72
73 #if defined(MBEDTLS_CIPHER_C)
74 #include "mbedtls/cipher.h"
75 #endif
76
77 #if defined(MBEDTLS_CTR_DRBG_C)
78 #include "mbedtls/ctr_drbg.h"
79 #endif
80
81 #if defined(MBEDTLS_DES_C)
82 #include "mbedtls/des.h"
83 #endif
84
85 #if defined(MBEDTLS_DHM_C)
86 #include "mbedtls/dhm.h"
87 #endif
88
89 #if defined(MBEDTLS_ECP_C)
90 #include "mbedtls/ecp.h"
91 #endif
92
93 #if defined(MBEDTLS_ENTROPY_C)
94 #include "mbedtls/entropy.h"
95 #endif
96
97 #if defined(MBEDTLS_ERROR_C)
98 #include "mbedtls/error.h"
99 #endif
100
101 #if defined(MBEDTLS_PLATFORM_C)
102 #include "mbedtls/platform.h"
103 #endif
104
105 #if defined(MBEDTLS_GCM_C)
106 #include "mbedtls/gcm.h"
107 #endif
108
109 #if defined(MBEDTLS_HKDF_C)
110 #include "mbedtls/hkdf.h"
111 #endif
112
113 #if defined(MBEDTLS_HMAC_DRBG_C)
114 #include "mbedtls/hmac_drbg.h"
115 #endif
116
117 #if defined(MBEDTLS_MD_C)
118 #include "mbedtls/md.h"
119 #endif
120
121 #if defined(MBEDTLS_NET_C)
122 #include "mbedtls/net_sockets.h"
123 #endif
124
125 #if defined(MBEDTLS_OID_C)
126 #include "mbedtls/oid.h"
127 #endif
128
129 #if defined(MBEDTLS_PEM_PARSE_C) || defined(MBEDTLS_PEM_WRITE_C)
130 #include "mbedtls/pem.h"
131 #endif
132
133 #if defined(MBEDTLS_PK_C)
134 #include "mbedtls/pk.h"
135 #endif
136
137 #if defined(MBEDTLS_PKCS12_C)
138 #include "mbedtls/pkcs12.h"
139 #endif
140
141 #if defined(MBEDTLS_PKCS5_C)
142 #include "mbedtls/pkcs5.h"
143 #endif
144
145 #if defined(MBEDTLS_POLY1305_C)
146 #include "mbedtls/poly1305.h"
147 #endif
148
149 #if defined(MBEDTLS_RSA_C)
150 #include "mbedtls/rsa.h"
151 #endif
152
153 #if defined(MBEDTLS_SHA1_C)
154 #include "mbedtls/sha1.h"
155 #endif
156
157 #if defined(MBEDTLS_SHA256_C)
158 #include "mbedtls/sha256.h"
159 #endif
160
161 #if defined(MBEDTLS_SHA512_C)
162 #include "mbedtls/sha512.h"
163 #endif
164
165 #if defined(MBEDTLS_SSL_TLS_C)
166 #include "mbedtls/ssl.h"
167 #endif
168
169 #if defined(MBEDTLS_THREADING_C)
170 #include "mbedtls/threading.h"
171 #endif
172
173 #if defined(MBEDTLS_X509_USE_C) || defined(MBEDTLS_X509_CREATE_C)
174 #include "mbedtls/x509.h"
175 #endif
176
177
mbedtls_high_level_strerr(int error_code)178 const char * mbedtls_high_level_strerr( int error_code )
179 {
180 int high_level_error_code;
181
182 if( error_code < 0 )
183 error_code = -error_code;
184
185 /* Extract the high-level part from the error code. */
186 high_level_error_code = error_code & 0xFF80;
187
188 switch( high_level_error_code )
189 {
190 /* Begin Auto-Generated Code. */
191 #if defined(MBEDTLS_CIPHER_C)
192 case -(MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE):
193 return( "CIPHER - The selected feature is not available" );
194 case -(MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA):
195 return( "CIPHER - Bad input parameters" );
196 case -(MBEDTLS_ERR_CIPHER_ALLOC_FAILED):
197 return( "CIPHER - Failed to allocate memory" );
198 case -(MBEDTLS_ERR_CIPHER_INVALID_PADDING):
199 return( "CIPHER - Input data contains invalid padding and is rejected" );
200 case -(MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED):
201 return( "CIPHER - Decryption of block requires a full block" );
202 case -(MBEDTLS_ERR_CIPHER_AUTH_FAILED):
203 return( "CIPHER - Authentication failed (for AEAD modes)" );
204 case -(MBEDTLS_ERR_CIPHER_INVALID_CONTEXT):
205 return( "CIPHER - The context is invalid. For example, because it was freed" );
206 #endif /* MBEDTLS_CIPHER_C */
207
208 #if defined(MBEDTLS_DHM_C)
209 case -(MBEDTLS_ERR_DHM_BAD_INPUT_DATA):
210 return( "DHM - Bad input parameters" );
211 case -(MBEDTLS_ERR_DHM_READ_PARAMS_FAILED):
212 return( "DHM - Reading of the DHM parameters failed" );
213 case -(MBEDTLS_ERR_DHM_MAKE_PARAMS_FAILED):
214 return( "DHM - Making of the DHM parameters failed" );
215 case -(MBEDTLS_ERR_DHM_READ_PUBLIC_FAILED):
216 return( "DHM - Reading of the public values failed" );
217 case -(MBEDTLS_ERR_DHM_MAKE_PUBLIC_FAILED):
218 return( "DHM - Making of the public value failed" );
219 case -(MBEDTLS_ERR_DHM_CALC_SECRET_FAILED):
220 return( "DHM - Calculation of the DHM secret failed" );
221 case -(MBEDTLS_ERR_DHM_INVALID_FORMAT):
222 return( "DHM - The ASN.1 data is not formatted correctly" );
223 case -(MBEDTLS_ERR_DHM_ALLOC_FAILED):
224 return( "DHM - Allocation of memory failed" );
225 case -(MBEDTLS_ERR_DHM_FILE_IO_ERROR):
226 return( "DHM - Read or write of file failed" );
227 case -(MBEDTLS_ERR_DHM_SET_GROUP_FAILED):
228 return( "DHM - Setting the modulus and generator failed" );
229 #endif /* MBEDTLS_DHM_C */
230
231 #if defined(MBEDTLS_ECP_C)
232 case -(MBEDTLS_ERR_ECP_BAD_INPUT_DATA):
233 return( "ECP - Bad input parameters to function" );
234 case -(MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL):
235 return( "ECP - The buffer is too small to write to" );
236 case -(MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE):
237 return( "ECP - The requested feature is not available, for example, the requested curve is not supported" );
238 case -(MBEDTLS_ERR_ECP_VERIFY_FAILED):
239 return( "ECP - The signature is not valid" );
240 case -(MBEDTLS_ERR_ECP_ALLOC_FAILED):
241 return( "ECP - Memory allocation failed" );
242 case -(MBEDTLS_ERR_ECP_RANDOM_FAILED):
243 return( "ECP - Generation of random value, such as ephemeral key, failed" );
244 case -(MBEDTLS_ERR_ECP_INVALID_KEY):
245 return( "ECP - Invalid private or public key" );
246 case -(MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH):
247 return( "ECP - The buffer contains a valid signature followed by more data" );
248 case -(MBEDTLS_ERR_ECP_IN_PROGRESS):
249 return( "ECP - Operation in progress, call again with the same parameters to continue" );
250 #endif /* MBEDTLS_ECP_C */
251
252 #if defined(MBEDTLS_MD_C)
253 case -(MBEDTLS_ERR_MD_FEATURE_UNAVAILABLE):
254 return( "MD - The selected feature is not available" );
255 case -(MBEDTLS_ERR_MD_BAD_INPUT_DATA):
256 return( "MD - Bad input parameters to function" );
257 case -(MBEDTLS_ERR_MD_ALLOC_FAILED):
258 return( "MD - Failed to allocate memory" );
259 case -(MBEDTLS_ERR_MD_FILE_IO_ERROR):
260 return( "MD - Opening or reading of file failed" );
261 #endif /* MBEDTLS_MD_C */
262
263 #if defined(MBEDTLS_PEM_PARSE_C) || defined(MBEDTLS_PEM_WRITE_C)
264 case -(MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT):
265 return( "PEM - No PEM header or footer found" );
266 case -(MBEDTLS_ERR_PEM_INVALID_DATA):
267 return( "PEM - PEM string is not as expected" );
268 case -(MBEDTLS_ERR_PEM_ALLOC_FAILED):
269 return( "PEM - Failed to allocate memory" );
270 case -(MBEDTLS_ERR_PEM_INVALID_ENC_IV):
271 return( "PEM - RSA IV is not in hex-format" );
272 case -(MBEDTLS_ERR_PEM_UNKNOWN_ENC_ALG):
273 return( "PEM - Unsupported key encryption algorithm" );
274 case -(MBEDTLS_ERR_PEM_PASSWORD_REQUIRED):
275 return( "PEM - Private key password can't be empty" );
276 case -(MBEDTLS_ERR_PEM_PASSWORD_MISMATCH):
277 return( "PEM - Given private key password does not allow for correct decryption" );
278 case -(MBEDTLS_ERR_PEM_FEATURE_UNAVAILABLE):
279 return( "PEM - Unavailable feature, e.g. hashing/encryption combination" );
280 case -(MBEDTLS_ERR_PEM_BAD_INPUT_DATA):
281 return( "PEM - Bad input parameters to function" );
282 #endif /* MBEDTLS_PEM_PARSE_C || MBEDTLS_PEM_WRITE_C */
283
284 #if defined(MBEDTLS_PK_C)
285 case -(MBEDTLS_ERR_PK_ALLOC_FAILED):
286 return( "PK - Memory allocation failed" );
287 case -(MBEDTLS_ERR_PK_TYPE_MISMATCH):
288 return( "PK - Type mismatch, eg attempt to encrypt with an ECDSA key" );
289 case -(MBEDTLS_ERR_PK_BAD_INPUT_DATA):
290 return( "PK - Bad input parameters to function" );
291 case -(MBEDTLS_ERR_PK_FILE_IO_ERROR):
292 return( "PK - Read/write of file failed" );
293 case -(MBEDTLS_ERR_PK_KEY_INVALID_VERSION):
294 return( "PK - Unsupported key version" );
295 case -(MBEDTLS_ERR_PK_KEY_INVALID_FORMAT):
296 return( "PK - Invalid key tag or value" );
297 case -(MBEDTLS_ERR_PK_UNKNOWN_PK_ALG):
298 return( "PK - Key algorithm is unsupported (only RSA and EC are supported)" );
299 case -(MBEDTLS_ERR_PK_PASSWORD_REQUIRED):
300 return( "PK - Private key password can't be empty" );
301 case -(MBEDTLS_ERR_PK_PASSWORD_MISMATCH):
302 return( "PK - Given private key password does not allow for correct decryption" );
303 case -(MBEDTLS_ERR_PK_INVALID_PUBKEY):
304 return( "PK - The pubkey tag or value is invalid (only RSA and EC are supported)" );
305 case -(MBEDTLS_ERR_PK_INVALID_ALG):
306 return( "PK - The algorithm tag or value is invalid" );
307 case -(MBEDTLS_ERR_PK_UNKNOWN_NAMED_CURVE):
308 return( "PK - Elliptic curve is unsupported (only NIST curves are supported)" );
309 case -(MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE):
310 return( "PK - Unavailable feature, e.g. RSA disabled for RSA key" );
311 case -(MBEDTLS_ERR_PK_SIG_LEN_MISMATCH):
312 return( "PK - The buffer contains a valid signature followed by more data" );
313 case -(MBEDTLS_ERR_PK_BUFFER_TOO_SMALL):
314 return( "PK - The output buffer is too small" );
315 #endif /* MBEDTLS_PK_C */
316
317 #if defined(MBEDTLS_PKCS12_C)
318 case -(MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA):
319 return( "PKCS12 - Bad input parameters to function" );
320 case -(MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE):
321 return( "PKCS12 - Feature not available, e.g. unsupported encryption scheme" );
322 case -(MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT):
323 return( "PKCS12 - PBE ASN.1 data not as expected" );
324 case -(MBEDTLS_ERR_PKCS12_PASSWORD_MISMATCH):
325 return( "PKCS12 - Given private key password does not allow for correct decryption" );
326 #endif /* MBEDTLS_PKCS12_C */
327
328 #if defined(MBEDTLS_PKCS5_C)
329 case -(MBEDTLS_ERR_PKCS5_BAD_INPUT_DATA):
330 return( "PKCS5 - Bad input parameters to function" );
331 case -(MBEDTLS_ERR_PKCS5_INVALID_FORMAT):
332 return( "PKCS5 - Unexpected ASN.1 data" );
333 case -(MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE):
334 return( "PKCS5 - Requested encryption or digest alg not available" );
335 case -(MBEDTLS_ERR_PKCS5_PASSWORD_MISMATCH):
336 return( "PKCS5 - Given private key password does not allow for correct decryption" );
337 #endif /* MBEDTLS_PKCS5_C */
338
339 #if defined(MBEDTLS_RSA_C)
340 case -(MBEDTLS_ERR_RSA_BAD_INPUT_DATA):
341 return( "RSA - Bad input parameters to function" );
342 case -(MBEDTLS_ERR_RSA_INVALID_PADDING):
343 return( "RSA - Input data contains invalid padding and is rejected" );
344 case -(MBEDTLS_ERR_RSA_KEY_GEN_FAILED):
345 return( "RSA - Something failed during generation of a key" );
346 case -(MBEDTLS_ERR_RSA_KEY_CHECK_FAILED):
347 return( "RSA - Key failed to pass the validity check of the library" );
348 case -(MBEDTLS_ERR_RSA_PUBLIC_FAILED):
349 return( "RSA - The public key operation failed" );
350 case -(MBEDTLS_ERR_RSA_PRIVATE_FAILED):
351 return( "RSA - The private key operation failed" );
352 case -(MBEDTLS_ERR_RSA_VERIFY_FAILED):
353 return( "RSA - The PKCS#1 verification failed" );
354 case -(MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE):
355 return( "RSA - The output buffer for decryption is not large enough" );
356 case -(MBEDTLS_ERR_RSA_RNG_FAILED):
357 return( "RSA - The random generator failed to generate non-zeros" );
358 #endif /* MBEDTLS_RSA_C */
359
360 #if defined(MBEDTLS_SSL_TLS_C)
361 case -(MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS):
362 return( "SSL - A cryptographic operation is in progress. Try again later" );
363 case -(MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE):
364 return( "SSL - The requested feature is not available" );
365 case -(MBEDTLS_ERR_SSL_BAD_INPUT_DATA):
366 return( "SSL - Bad input parameters to function" );
367 case -(MBEDTLS_ERR_SSL_INVALID_MAC):
368 return( "SSL - Verification of the message MAC failed" );
369 case -(MBEDTLS_ERR_SSL_INVALID_RECORD):
370 return( "SSL - An invalid SSL record was received" );
371 case -(MBEDTLS_ERR_SSL_CONN_EOF):
372 return( "SSL - The connection indicated an EOF" );
373 case -(MBEDTLS_ERR_SSL_DECODE_ERROR):
374 return( "SSL - A message could not be parsed due to a syntactic error" );
375 case -(MBEDTLS_ERR_SSL_NO_RNG):
376 return( "SSL - No RNG was provided to the SSL module" );
377 case -(MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE):
378 return( "SSL - No client certification received from the client, but required by the authentication mode" );
379 case -(MBEDTLS_ERR_SSL_UNSUPPORTED_EXTENSION):
380 return( "SSL - Client received an extended server hello containing an unsupported extension" );
381 case -(MBEDTLS_ERR_SSL_NO_APPLICATION_PROTOCOL):
382 return( "SSL - No ALPN protocols supported that the client advertises" );
383 case -(MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED):
384 return( "SSL - The own private key or pre-shared key is not set, but needed" );
385 case -(MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED):
386 return( "SSL - No CA Chain is set, but required to operate" );
387 case -(MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE):
388 return( "SSL - An unexpected message was received from our peer" );
389 case -(MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE):
390 return( "SSL - A fatal alert message was received from our peer" );
391 case -(MBEDTLS_ERR_SSL_UNRECOGNIZED_NAME):
392 return( "SSL - No server could be identified matching the client's SNI" );
393 case -(MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY):
394 return( "SSL - The peer notified us that the connection is going to be closed" );
395 case -(MBEDTLS_ERR_SSL_BAD_CERTIFICATE):
396 return( "SSL - Processing of the Certificate handshake message failed" );
397 case -(MBEDTLS_ERR_SSL_ALLOC_FAILED):
398 return( "SSL - Memory allocation failed" );
399 case -(MBEDTLS_ERR_SSL_HW_ACCEL_FAILED):
400 return( "SSL - Hardware acceleration function returned with error" );
401 case -(MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH):
402 return( "SSL - Hardware acceleration function skipped / left alone data" );
403 case -(MBEDTLS_ERR_SSL_BAD_PROTOCOL_VERSION):
404 return( "SSL - Handshake protocol not within min/max boundaries" );
405 case -(MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE):
406 return( "SSL - The handshake negotiation failed" );
407 case -(MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED):
408 return( "SSL - Session ticket has expired" );
409 case -(MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH):
410 return( "SSL - Public key type mismatch (eg, asked for RSA key exchange and presented EC key)" );
411 case -(MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY):
412 return( "SSL - Unknown identity received (eg, PSK identity)" );
413 case -(MBEDTLS_ERR_SSL_INTERNAL_ERROR):
414 return( "SSL - Internal error (eg, unexpected failure in lower-level module)" );
415 case -(MBEDTLS_ERR_SSL_COUNTER_WRAPPING):
416 return( "SSL - A counter would wrap (eg, too many messages exchanged)" );
417 case -(MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO):
418 return( "SSL - Unexpected message at ServerHello in renegotiation" );
419 case -(MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED):
420 return( "SSL - DTLS client must retry for hello verification" );
421 case -(MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL):
422 return( "SSL - A buffer is too small to receive or write a message" );
423 case -(MBEDTLS_ERR_SSL_WANT_READ):
424 return( "SSL - No data of requested type currently available on underlying transport" );
425 case -(MBEDTLS_ERR_SSL_WANT_WRITE):
426 return( "SSL - Connection requires a write call" );
427 case -(MBEDTLS_ERR_SSL_TIMEOUT):
428 return( "SSL - The operation timed out" );
429 case -(MBEDTLS_ERR_SSL_CLIENT_RECONNECT):
430 return( "SSL - The client initiated a reconnect from the same port" );
431 case -(MBEDTLS_ERR_SSL_UNEXPECTED_RECORD):
432 return( "SSL - Record header looks valid but is not expected" );
433 case -(MBEDTLS_ERR_SSL_NON_FATAL):
434 return( "SSL - The alert message received indicates a non-fatal error" );
435 case -(MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER):
436 return( "SSL - A field in a message was incorrect or inconsistent with other fields" );
437 case -(MBEDTLS_ERR_SSL_CONTINUE_PROCESSING):
438 return( "SSL - Internal-only message signaling that further message-processing should be done" );
439 case -(MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS):
440 return( "SSL - The asynchronous operation is not completed yet" );
441 case -(MBEDTLS_ERR_SSL_EARLY_MESSAGE):
442 return( "SSL - Internal-only message signaling that a message arrived early" );
443 case -(MBEDTLS_ERR_SSL_UNEXPECTED_CID):
444 return( "SSL - An encrypted DTLS-frame with an unexpected CID was received" );
445 case -(MBEDTLS_ERR_SSL_VERSION_MISMATCH):
446 return( "SSL - An operation failed due to an unexpected version or configuration" );
447 case -(MBEDTLS_ERR_SSL_BAD_CONFIG):
448 return( "SSL - Invalid value in SSL config" );
449 #endif /* MBEDTLS_SSL_TLS_C */
450
451 #if defined(MBEDTLS_X509_USE_C) || defined(MBEDTLS_X509_CREATE_C)
452 case -(MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE):
453 return( "X509 - Unavailable feature, e.g. RSA hashing/encryption combination" );
454 case -(MBEDTLS_ERR_X509_UNKNOWN_OID):
455 return( "X509 - Requested OID is unknown" );
456 case -(MBEDTLS_ERR_X509_INVALID_FORMAT):
457 return( "X509 - The CRT/CRL/CSR format is invalid, e.g. different type expected" );
458 case -(MBEDTLS_ERR_X509_INVALID_VERSION):
459 return( "X509 - The CRT/CRL/CSR version element is invalid" );
460 case -(MBEDTLS_ERR_X509_INVALID_SERIAL):
461 return( "X509 - The serial tag or value is invalid" );
462 case -(MBEDTLS_ERR_X509_INVALID_ALG):
463 return( "X509 - The algorithm tag or value is invalid" );
464 case -(MBEDTLS_ERR_X509_INVALID_NAME):
465 return( "X509 - The name tag or value is invalid" );
466 case -(MBEDTLS_ERR_X509_INVALID_DATE):
467 return( "X509 - The date tag or value is invalid" );
468 case -(MBEDTLS_ERR_X509_INVALID_SIGNATURE):
469 return( "X509 - The signature tag or value invalid" );
470 case -(MBEDTLS_ERR_X509_INVALID_EXTENSIONS):
471 return( "X509 - The extension tag or value is invalid" );
472 case -(MBEDTLS_ERR_X509_UNKNOWN_VERSION):
473 return( "X509 - CRT/CRL/CSR has an unsupported version number" );
474 case -(MBEDTLS_ERR_X509_UNKNOWN_SIG_ALG):
475 return( "X509 - Signature algorithm (oid) is unsupported" );
476 case -(MBEDTLS_ERR_X509_SIG_MISMATCH):
477 return( "X509 - Signature algorithms do not match. (see \\c ::mbedtls_x509_crt sig_oid)" );
478 case -(MBEDTLS_ERR_X509_CERT_VERIFY_FAILED):
479 return( "X509 - Certificate verification failed, e.g. CRL, CA or signature check failed" );
480 case -(MBEDTLS_ERR_X509_CERT_UNKNOWN_FORMAT):
481 return( "X509 - Format not recognized as DER or PEM" );
482 case -(MBEDTLS_ERR_X509_BAD_INPUT_DATA):
483 return( "X509 - Input invalid" );
484 case -(MBEDTLS_ERR_X509_ALLOC_FAILED):
485 return( "X509 - Allocation of memory failed" );
486 case -(MBEDTLS_ERR_X509_FILE_IO_ERROR):
487 return( "X509 - Read/write of file failed" );
488 case -(MBEDTLS_ERR_X509_BUFFER_TOO_SMALL):
489 return( "X509 - Destination buffer is too small" );
490 case -(MBEDTLS_ERR_X509_FATAL_ERROR):
491 return( "X509 - A fatal error occurred, eg the chain is too long or the vrfy callback failed" );
492 #endif /* MBEDTLS_X509_USE_C || MBEDTLS_X509_CREATE_C */
493 /* End Auto-Generated Code. */
494
495 default:
496 break;
497 }
498
499 return( NULL );
500 }
501
mbedtls_low_level_strerr(int error_code)502 const char * mbedtls_low_level_strerr( int error_code )
503 {
504 int low_level_error_code;
505
506 if( error_code < 0 )
507 error_code = -error_code;
508
509 /* Extract the low-level part from the error code. */
510 low_level_error_code = error_code & ~0xFF80;
511
512 switch( low_level_error_code )
513 {
514 /* Begin Auto-Generated Code. */
515 #if defined(MBEDTLS_AES_C)
516 case -(MBEDTLS_ERR_AES_INVALID_KEY_LENGTH):
517 return( "AES - Invalid key length" );
518 case -(MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH):
519 return( "AES - Invalid data input length" );
520 case -(MBEDTLS_ERR_AES_BAD_INPUT_DATA):
521 return( "AES - Invalid input data" );
522 #endif /* MBEDTLS_AES_C */
523
524 #if defined(MBEDTLS_ARIA_C)
525 case -(MBEDTLS_ERR_ARIA_BAD_INPUT_DATA):
526 return( "ARIA - Bad input data" );
527 case -(MBEDTLS_ERR_ARIA_INVALID_INPUT_LENGTH):
528 return( "ARIA - Invalid data input length" );
529 #endif /* MBEDTLS_ARIA_C */
530
531 #if defined(MBEDTLS_ASN1_PARSE_C)
532 case -(MBEDTLS_ERR_ASN1_OUT_OF_DATA):
533 return( "ASN1 - Out of data when parsing an ASN1 data structure" );
534 case -(MBEDTLS_ERR_ASN1_UNEXPECTED_TAG):
535 return( "ASN1 - ASN1 tag was of an unexpected value" );
536 case -(MBEDTLS_ERR_ASN1_INVALID_LENGTH):
537 return( "ASN1 - Error when trying to determine the length or invalid length" );
538 case -(MBEDTLS_ERR_ASN1_LENGTH_MISMATCH):
539 return( "ASN1 - Actual length differs from expected length" );
540 case -(MBEDTLS_ERR_ASN1_INVALID_DATA):
541 return( "ASN1 - Data is invalid" );
542 case -(MBEDTLS_ERR_ASN1_ALLOC_FAILED):
543 return( "ASN1 - Memory allocation failed" );
544 case -(MBEDTLS_ERR_ASN1_BUF_TOO_SMALL):
545 return( "ASN1 - Buffer too small when writing ASN.1 data structure" );
546 #endif /* MBEDTLS_ASN1_PARSE_C */
547
548 #if defined(MBEDTLS_BASE64_C)
549 case -(MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL):
550 return( "BASE64 - Output buffer too small" );
551 case -(MBEDTLS_ERR_BASE64_INVALID_CHARACTER):
552 return( "BASE64 - Invalid character in input" );
553 #endif /* MBEDTLS_BASE64_C */
554
555 #if defined(MBEDTLS_BIGNUM_C)
556 case -(MBEDTLS_ERR_MPI_FILE_IO_ERROR):
557 return( "BIGNUM - An error occurred while reading from or writing to a file" );
558 case -(MBEDTLS_ERR_MPI_BAD_INPUT_DATA):
559 return( "BIGNUM - Bad input parameters to function" );
560 case -(MBEDTLS_ERR_MPI_INVALID_CHARACTER):
561 return( "BIGNUM - There is an invalid character in the digit string" );
562 case -(MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL):
563 return( "BIGNUM - The buffer is too small to write to" );
564 case -(MBEDTLS_ERR_MPI_NEGATIVE_VALUE):
565 return( "BIGNUM - The input arguments are negative or result in illegal output" );
566 case -(MBEDTLS_ERR_MPI_DIVISION_BY_ZERO):
567 return( "BIGNUM - The input argument for division is zero, which is not allowed" );
568 case -(MBEDTLS_ERR_MPI_NOT_ACCEPTABLE):
569 return( "BIGNUM - The input arguments are not acceptable" );
570 case -(MBEDTLS_ERR_MPI_ALLOC_FAILED):
571 return( "BIGNUM - Memory allocation failed" );
572 #endif /* MBEDTLS_BIGNUM_C */
573
574 #if defined(MBEDTLS_CAMELLIA_C)
575 case -(MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA):
576 return( "CAMELLIA - Bad input data" );
577 case -(MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH):
578 return( "CAMELLIA - Invalid data input length" );
579 #endif /* MBEDTLS_CAMELLIA_C */
580
581 #if defined(MBEDTLS_CCM_C)
582 case -(MBEDTLS_ERR_CCM_BAD_INPUT):
583 return( "CCM - Bad input parameters to the function" );
584 case -(MBEDTLS_ERR_CCM_AUTH_FAILED):
585 return( "CCM - Authenticated decryption failed" );
586 #endif /* MBEDTLS_CCM_C */
587
588 #if defined(MBEDTLS_CHACHA20_C)
589 case -(MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA):
590 return( "CHACHA20 - Invalid input parameter(s)" );
591 #endif /* MBEDTLS_CHACHA20_C */
592
593 #if defined(MBEDTLS_CHACHAPOLY_C)
594 case -(MBEDTLS_ERR_CHACHAPOLY_BAD_STATE):
595 return( "CHACHAPOLY - The requested operation is not permitted in the current state" );
596 case -(MBEDTLS_ERR_CHACHAPOLY_AUTH_FAILED):
597 return( "CHACHAPOLY - Authenticated decryption failed: data was not authentic" );
598 #endif /* MBEDTLS_CHACHAPOLY_C */
599
600 #if defined(MBEDTLS_CTR_DRBG_C)
601 case -(MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED):
602 return( "CTR_DRBG - The entropy source failed" );
603 case -(MBEDTLS_ERR_CTR_DRBG_REQUEST_TOO_BIG):
604 return( "CTR_DRBG - The requested random buffer length is too big" );
605 case -(MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG):
606 return( "CTR_DRBG - The input (entropy + additional data) is too large" );
607 case -(MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR):
608 return( "CTR_DRBG - Read or write error in file" );
609 #endif /* MBEDTLS_CTR_DRBG_C */
610
611 #if defined(MBEDTLS_DES_C)
612 case -(MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH):
613 return( "DES - The data input has an invalid length" );
614 #endif /* MBEDTLS_DES_C */
615
616 #if defined(MBEDTLS_ENTROPY_C)
617 case -(MBEDTLS_ERR_ENTROPY_SOURCE_FAILED):
618 return( "ENTROPY - Critical entropy source failure" );
619 case -(MBEDTLS_ERR_ENTROPY_MAX_SOURCES):
620 return( "ENTROPY - No more sources can be added" );
621 case -(MBEDTLS_ERR_ENTROPY_NO_SOURCES_DEFINED):
622 return( "ENTROPY - No sources have been added to poll" );
623 case -(MBEDTLS_ERR_ENTROPY_NO_STRONG_SOURCE):
624 return( "ENTROPY - No strong sources have been added to poll" );
625 case -(MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR):
626 return( "ENTROPY - Read/write error in file" );
627 #endif /* MBEDTLS_ENTROPY_C */
628
629 #if defined(MBEDTLS_ERROR_C)
630 case -(MBEDTLS_ERR_ERROR_GENERIC_ERROR):
631 return( "ERROR - Generic error" );
632 case -(MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED):
633 return( "ERROR - This is a bug in the library" );
634 #endif /* MBEDTLS_ERROR_C */
635
636 #if defined(MBEDTLS_PLATFORM_C)
637 case -(MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED):
638 return( "PLATFORM - Hardware accelerator failed" );
639 case -(MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED):
640 return( "PLATFORM - The requested feature is not supported by the platform" );
641 #endif /* MBEDTLS_PLATFORM_C */
642
643 #if defined(MBEDTLS_GCM_C)
644 case -(MBEDTLS_ERR_GCM_AUTH_FAILED):
645 return( "GCM - Authenticated decryption failed" );
646 case -(MBEDTLS_ERR_GCM_BAD_INPUT):
647 return( "GCM - Bad input parameters to function" );
648 case -(MBEDTLS_ERR_GCM_BUFFER_TOO_SMALL):
649 return( "GCM - An output buffer is too small" );
650 #endif /* MBEDTLS_GCM_C */
651
652 #if defined(MBEDTLS_HKDF_C)
653 case -(MBEDTLS_ERR_HKDF_BAD_INPUT_DATA):
654 return( "HKDF - Bad input parameters to function" );
655 #endif /* MBEDTLS_HKDF_C */
656
657 #if defined(MBEDTLS_HMAC_DRBG_C)
658 case -(MBEDTLS_ERR_HMAC_DRBG_REQUEST_TOO_BIG):
659 return( "HMAC_DRBG - Too many random requested in single call" );
660 case -(MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG):
661 return( "HMAC_DRBG - Input too large (Entropy + additional)" );
662 case -(MBEDTLS_ERR_HMAC_DRBG_FILE_IO_ERROR):
663 return( "HMAC_DRBG - Read/write error in file" );
664 case -(MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED):
665 return( "HMAC_DRBG - The entropy source failed" );
666 #endif /* MBEDTLS_HMAC_DRBG_C */
667
668 #if defined(MBEDTLS_NET_C)
669 case -(MBEDTLS_ERR_NET_SOCKET_FAILED):
670 return( "NET - Failed to open a socket" );
671 case -(MBEDTLS_ERR_NET_CONNECT_FAILED):
672 return( "NET - The connection to the given server / port failed" );
673 case -(MBEDTLS_ERR_NET_BIND_FAILED):
674 return( "NET - Binding of the socket failed" );
675 case -(MBEDTLS_ERR_NET_LISTEN_FAILED):
676 return( "NET - Could not listen on the socket" );
677 case -(MBEDTLS_ERR_NET_ACCEPT_FAILED):
678 return( "NET - Could not accept the incoming connection" );
679 case -(MBEDTLS_ERR_NET_RECV_FAILED):
680 return( "NET - Reading information from the socket failed" );
681 case -(MBEDTLS_ERR_NET_SEND_FAILED):
682 return( "NET - Sending information through the socket failed" );
683 case -(MBEDTLS_ERR_NET_CONN_RESET):
684 return( "NET - Connection was reset by peer" );
685 case -(MBEDTLS_ERR_NET_UNKNOWN_HOST):
686 return( "NET - Failed to get an IP address for the given hostname" );
687 case -(MBEDTLS_ERR_NET_BUFFER_TOO_SMALL):
688 return( "NET - Buffer is too small to hold the data" );
689 case -(MBEDTLS_ERR_NET_INVALID_CONTEXT):
690 return( "NET - The context is invalid, eg because it was free()ed" );
691 case -(MBEDTLS_ERR_NET_POLL_FAILED):
692 return( "NET - Polling the net context failed" );
693 case -(MBEDTLS_ERR_NET_BAD_INPUT_DATA):
694 return( "NET - Input invalid" );
695 #endif /* MBEDTLS_NET_C */
696
697 #if defined(MBEDTLS_OID_C)
698 case -(MBEDTLS_ERR_OID_NOT_FOUND):
699 return( "OID - OID is not found" );
700 case -(MBEDTLS_ERR_OID_BUF_TOO_SMALL):
701 return( "OID - output buffer is too small" );
702 #endif /* MBEDTLS_OID_C */
703
704 #if defined(MBEDTLS_POLY1305_C)
705 case -(MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA):
706 return( "POLY1305 - Invalid input parameter(s)" );
707 #endif /* MBEDTLS_POLY1305_C */
708
709 #if defined(MBEDTLS_SHA1_C)
710 case -(MBEDTLS_ERR_SHA1_BAD_INPUT_DATA):
711 return( "SHA1 - SHA-1 input data was malformed" );
712 #endif /* MBEDTLS_SHA1_C */
713
714 #if defined(MBEDTLS_SHA256_C)
715 case -(MBEDTLS_ERR_SHA256_BAD_INPUT_DATA):
716 return( "SHA256 - SHA-256 input data was malformed" );
717 #endif /* MBEDTLS_SHA256_C */
718
719 #if defined(MBEDTLS_SHA512_C)
720 case -(MBEDTLS_ERR_SHA512_BAD_INPUT_DATA):
721 return( "SHA512 - SHA-512 input data was malformed" );
722 #endif /* MBEDTLS_SHA512_C */
723
724 #if defined(MBEDTLS_THREADING_C)
725 case -(MBEDTLS_ERR_THREADING_BAD_INPUT_DATA):
726 return( "THREADING - Bad input parameters to function" );
727 case -(MBEDTLS_ERR_THREADING_MUTEX_ERROR):
728 return( "THREADING - Locking / unlocking / free failed with error code" );
729 #endif /* MBEDTLS_THREADING_C */
730 /* End Auto-Generated Code. */
731
732 default:
733 break;
734 }
735
736 return( NULL );
737 }
738
mbedtls_strerror(int ret,char * buf,size_t buflen)739 void mbedtls_strerror( int ret, char *buf, size_t buflen )
740 {
741 size_t len;
742 int use_ret;
743 const char * high_level_error_description = NULL;
744 const char * low_level_error_description = NULL;
745
746 if( buflen == 0 )
747 return;
748
749 memset( buf, 0x00, buflen );
750
751 if( ret < 0 )
752 ret = -ret;
753
754 if( ret & 0xFF80 )
755 {
756 use_ret = ret & 0xFF80;
757
758 // Translate high level error code.
759 high_level_error_description = mbedtls_high_level_strerr( ret );
760
761 if( high_level_error_description == NULL )
762 mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", (unsigned int) use_ret );
763 else
764 mbedtls_snprintf( buf, buflen, "%s", high_level_error_description );
765
766 #if defined(MBEDTLS_SSL_TLS_C)
767 // Early return in case of a fatal error - do not try to translate low
768 // level code.
769 if(use_ret == -(MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE))
770 return;
771 #endif /* MBEDTLS_SSL_TLS_C */
772 }
773
774 use_ret = ret & ~0xFF80;
775
776 if( use_ret == 0 )
777 return;
778
779 // If high level code is present, make a concatenation between both
780 // error strings.
781 //
782 len = strlen( buf );
783
784 if( len > 0 )
785 {
786 if( buflen - len < 5 )
787 return;
788
789 mbedtls_snprintf( buf + len, buflen - len, " : " );
790
791 buf += len + 3;
792 buflen -= len + 3;
793 }
794
795 // Translate low level error code.
796 low_level_error_description = mbedtls_low_level_strerr( ret );
797
798 if( low_level_error_description == NULL )
799 mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", (unsigned int) use_ret );
800 else
801 mbedtls_snprintf( buf, buflen, "%s", low_level_error_description );
802 }
803
804 #else /* MBEDTLS_ERROR_C */
805
806 /*
807 * Provide an non-function in case MBEDTLS_ERROR_C is not defined
808 */
mbedtls_strerror(int ret,char * buf,size_t buflen)809 void mbedtls_strerror( int ret, char *buf, size_t buflen )
810 {
811 ((void) ret);
812
813 if( buflen > 0 )
814 buf[0] = '\0';
815 }
816
817 #endif /* MBEDTLS_ERROR_C */
818
819 #if defined(MBEDTLS_TEST_HOOKS)
820 void (*mbedtls_test_hook_error_add)( int, int, const char *, int );
821 #endif
822
823 #endif /* MBEDTLS_ERROR_C || MBEDTLS_ERROR_STRERROR_DUMMY */
824