source: azure_iot_hub_mbedtls/trunk/mbedtls-2.16.1/library/error.c@ 398

Last change on this file since 398 was 398, checked in by coas-nagasima, 5 years ago

mbedTLS版Azure IoT Hub接続サンプルのソースコードを追加
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File size: 45.9 KB
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1/*
2 * Error message information
3 *
4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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 * This file is part of mbed TLS (https://tls.mbed.org)
20 */
21
22#if !defined(MBEDTLS_CONFIG_FILE)
23#include "mbedtls/config.h"
24#else
25#include MBEDTLS_CONFIG_FILE
26#endif
27
28#if defined(MBEDTLS_ERROR_C) || defined(MBEDTLS_ERROR_STRERROR_DUMMY)
29#include "mbedtls/error.h"
30#include <string.h>
31#endif
32
33#if defined(MBEDTLS_PLATFORM_C)
34#include "mbedtls/platform.h"
35#else
36#define mbedtls_snprintf snprintf
37#define mbedtls_time_t time_t
38#endif
39
40#if defined(MBEDTLS_ERROR_C)
41
42#include <stdio.h>
43
44#if defined(MBEDTLS_AES_C)
45#include "mbedtls/aes.h"
46#endif
47
48#if defined(MBEDTLS_ARC4_C)
49#include "mbedtls/arc4.h"
50#endif
51
52#if defined(MBEDTLS_ARIA_C)
53#include "mbedtls/aria.h"
54#endif
55
56#if defined(MBEDTLS_BASE64_C)
57#include "mbedtls/base64.h"
58#endif
59
60#if defined(MBEDTLS_BIGNUM_C)
61#include "mbedtls/bignum.h"
62#endif
63
64#if defined(MBEDTLS_BLOWFISH_C)
65#include "mbedtls/blowfish.h"
66#endif
67
68#if defined(MBEDTLS_CAMELLIA_C)
69#include "mbedtls/camellia.h"
70#endif
71
72#if defined(MBEDTLS_CCM_C)
73#include "mbedtls/ccm.h"
74#endif
75
76#if defined(MBEDTLS_CHACHA20_C)
77#include "mbedtls/chacha20.h"
78#endif
79
80#if defined(MBEDTLS_CHACHAPOLY_C)
81#include "mbedtls/chachapoly.h"
82#endif
83
84#if defined(MBEDTLS_CIPHER_C)
85#include "mbedtls/cipher.h"
86#endif
87
88#if defined(MBEDTLS_CMAC_C)
89#include "mbedtls/cmac.h"
90#endif
91
92#if defined(MBEDTLS_CTR_DRBG_C)
93#include "mbedtls/ctr_drbg.h"
94#endif
95
96#if defined(MBEDTLS_DES_C)
97#include "mbedtls/des.h"
98#endif
99
100#if defined(MBEDTLS_DHM_C)
101#include "mbedtls/dhm.h"
102#endif
103
104#if defined(MBEDTLS_ECP_C)
105#include "mbedtls/ecp.h"
106#endif
107
108#if defined(MBEDTLS_ENTROPY_C)
109#include "mbedtls/entropy.h"
110#endif
111
112#if defined(MBEDTLS_GCM_C)
113#include "mbedtls/gcm.h"
114#endif
115
116#if defined(MBEDTLS_HKDF_C)
117#include "mbedtls/hkdf.h"
118#endif
119
120#if defined(MBEDTLS_HMAC_DRBG_C)
121#include "mbedtls/hmac_drbg.h"
122#endif
123
124#if defined(MBEDTLS_MD_C)
125#include "mbedtls/md.h"
126#endif
127
128#if defined(MBEDTLS_MD2_C)
129#include "mbedtls/md2.h"
130#endif
131
132#if defined(MBEDTLS_MD4_C)
133#include "mbedtls/md4.h"
134#endif
135
136#if defined(MBEDTLS_MD5_C)
137#include "mbedtls/md5.h"
138#endif
139
140#if defined(MBEDTLS_NET_C)
141#include "mbedtls/net_sockets.h"
142#endif
143
144#if defined(MBEDTLS_OID_C)
145#include "mbedtls/oid.h"
146#endif
147
148#if defined(MBEDTLS_PADLOCK_C)
149#include "mbedtls/padlock.h"
150#endif
151
152#if defined(MBEDTLS_PEM_PARSE_C) || defined(MBEDTLS_PEM_WRITE_C)
153#include "mbedtls/pem.h"
154#endif
155
156#if defined(MBEDTLS_PK_C)
157#include "mbedtls/pk.h"
158#endif
159
160#if defined(MBEDTLS_PKCS12_C)
161#include "mbedtls/pkcs12.h"
162#endif
163
164#if defined(MBEDTLS_PKCS5_C)
165#include "mbedtls/pkcs5.h"
166#endif
167
168#if defined(MBEDTLS_PLATFORM_C)
169#include "mbedtls/platform.h"
170#endif
171
172#if defined(MBEDTLS_POLY1305_C)
173#include "mbedtls/poly1305.h"
174#endif
175
176#if defined(MBEDTLS_RIPEMD160_C)
177#include "mbedtls/ripemd160.h"
178#endif
179
180#if defined(MBEDTLS_RSA_C)
181#include "mbedtls/rsa.h"
182#endif
183
184#if defined(MBEDTLS_SHA1_C)
185#include "mbedtls/sha1.h"
186#endif
187
188#if defined(MBEDTLS_SHA256_C)
189#include "mbedtls/sha256.h"
190#endif
191
192#if defined(MBEDTLS_SHA512_C)
193#include "mbedtls/sha512.h"
194#endif
195
196#if defined(MBEDTLS_SSL_TLS_C)
197#include "mbedtls/ssl.h"
198#endif
199
200#if defined(MBEDTLS_THREADING_C)
201#include "mbedtls/threading.h"
202#endif
203
204#if defined(MBEDTLS_X509_USE_C) || defined(MBEDTLS_X509_CREATE_C)
205#include "mbedtls/x509.h"
206#endif
207
208#if defined(MBEDTLS_XTEA_C)
209#include "mbedtls/xtea.h"
210#endif
211
212
213void mbedtls_strerror( int ret, char *buf, size_t buflen )
214{
215 size_t len;
216 int use_ret;
217
218 if( buflen == 0 )
219 return;
220
221 memset( buf, 0x00, buflen );
222
223 if( ret < 0 )
224 ret = -ret;
225
226 if( ret & 0xFF80 )
227 {
228 use_ret = ret & 0xFF80;
229
230 // High level error codes
231 //
232 // BEGIN generated code
233#if defined(MBEDTLS_CIPHER_C)
234 if( use_ret == -(MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE) )
235 mbedtls_snprintf( buf, buflen, "CIPHER - The selected feature is not available" );
236 if( use_ret == -(MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA) )
237 mbedtls_snprintf( buf, buflen, "CIPHER - Bad input parameters" );
238 if( use_ret == -(MBEDTLS_ERR_CIPHER_ALLOC_FAILED) )
239 mbedtls_snprintf( buf, buflen, "CIPHER - Failed to allocate memory" );
240 if( use_ret == -(MBEDTLS_ERR_CIPHER_INVALID_PADDING) )
241 mbedtls_snprintf( buf, buflen, "CIPHER - Input data contains invalid padding and is rejected" );
242 if( use_ret == -(MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED) )
243 mbedtls_snprintf( buf, buflen, "CIPHER - Decryption of block requires a full block" );
244 if( use_ret == -(MBEDTLS_ERR_CIPHER_AUTH_FAILED) )
245 mbedtls_snprintf( buf, buflen, "CIPHER - Authentication failed (for AEAD modes)" );
246 if( use_ret == -(MBEDTLS_ERR_CIPHER_INVALID_CONTEXT) )
247 mbedtls_snprintf( buf, buflen, "CIPHER - The context is invalid. For example, because it was freed" );
248 if( use_ret == -(MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED) )
249 mbedtls_snprintf( buf, buflen, "CIPHER - Cipher hardware accelerator failed" );
250#endif /* MBEDTLS_CIPHER_C */
251
252#if defined(MBEDTLS_DHM_C)
253 if( use_ret == -(MBEDTLS_ERR_DHM_BAD_INPUT_DATA) )
254 mbedtls_snprintf( buf, buflen, "DHM - Bad input parameters" );
255 if( use_ret == -(MBEDTLS_ERR_DHM_READ_PARAMS_FAILED) )
256 mbedtls_snprintf( buf, buflen, "DHM - Reading of the DHM parameters failed" );
257 if( use_ret == -(MBEDTLS_ERR_DHM_MAKE_PARAMS_FAILED) )
258 mbedtls_snprintf( buf, buflen, "DHM - Making of the DHM parameters failed" );
259 if( use_ret == -(MBEDTLS_ERR_DHM_READ_PUBLIC_FAILED) )
260 mbedtls_snprintf( buf, buflen, "DHM - Reading of the public values failed" );
261 if( use_ret == -(MBEDTLS_ERR_DHM_MAKE_PUBLIC_FAILED) )
262 mbedtls_snprintf( buf, buflen, "DHM - Making of the public value failed" );
263 if( use_ret == -(MBEDTLS_ERR_DHM_CALC_SECRET_FAILED) )
264 mbedtls_snprintf( buf, buflen, "DHM - Calculation of the DHM secret failed" );
265 if( use_ret == -(MBEDTLS_ERR_DHM_INVALID_FORMAT) )
266 mbedtls_snprintf( buf, buflen, "DHM - The ASN.1 data is not formatted correctly" );
267 if( use_ret == -(MBEDTLS_ERR_DHM_ALLOC_FAILED) )
268 mbedtls_snprintf( buf, buflen, "DHM - Allocation of memory failed" );
269 if( use_ret == -(MBEDTLS_ERR_DHM_FILE_IO_ERROR) )
270 mbedtls_snprintf( buf, buflen, "DHM - Read or write of file failed" );
271 if( use_ret == -(MBEDTLS_ERR_DHM_HW_ACCEL_FAILED) )
272 mbedtls_snprintf( buf, buflen, "DHM - DHM hardware accelerator failed" );
273 if( use_ret == -(MBEDTLS_ERR_DHM_SET_GROUP_FAILED) )
274 mbedtls_snprintf( buf, buflen, "DHM - Setting the modulus and generator failed" );
275#endif /* MBEDTLS_DHM_C */
276
277#if defined(MBEDTLS_ECP_C)
278 if( use_ret == -(MBEDTLS_ERR_ECP_BAD_INPUT_DATA) )
279 mbedtls_snprintf( buf, buflen, "ECP - Bad input parameters to function" );
280 if( use_ret == -(MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL) )
281 mbedtls_snprintf( buf, buflen, "ECP - The buffer is too small to write to" );
282 if( use_ret == -(MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE) )
283 mbedtls_snprintf( buf, buflen, "ECP - The requested feature is not available, for example, the requested curve is not supported" );
284 if( use_ret == -(MBEDTLS_ERR_ECP_VERIFY_FAILED) )
285 mbedtls_snprintf( buf, buflen, "ECP - The signature is not valid" );
286 if( use_ret == -(MBEDTLS_ERR_ECP_ALLOC_FAILED) )
287 mbedtls_snprintf( buf, buflen, "ECP - Memory allocation failed" );
288 if( use_ret == -(MBEDTLS_ERR_ECP_RANDOM_FAILED) )
289 mbedtls_snprintf( buf, buflen, "ECP - Generation of random value, such as ephemeral key, failed" );
290 if( use_ret == -(MBEDTLS_ERR_ECP_INVALID_KEY) )
291 mbedtls_snprintf( buf, buflen, "ECP - Invalid private or public key" );
292 if( use_ret == -(MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH) )
293 mbedtls_snprintf( buf, buflen, "ECP - The buffer contains a valid signature followed by more data" );
294 if( use_ret == -(MBEDTLS_ERR_ECP_HW_ACCEL_FAILED) )
295 mbedtls_snprintf( buf, buflen, "ECP - The ECP hardware accelerator failed" );
296 if( use_ret == -(MBEDTLS_ERR_ECP_IN_PROGRESS) )
297 mbedtls_snprintf( buf, buflen, "ECP - Operation in progress, call again with the same parameters to continue" );
298#endif /* MBEDTLS_ECP_C */
299
300#if defined(MBEDTLS_MD_C)
301 if( use_ret == -(MBEDTLS_ERR_MD_FEATURE_UNAVAILABLE) )
302 mbedtls_snprintf( buf, buflen, "MD - The selected feature is not available" );
303 if( use_ret == -(MBEDTLS_ERR_MD_BAD_INPUT_DATA) )
304 mbedtls_snprintf( buf, buflen, "MD - Bad input parameters to function" );
305 if( use_ret == -(MBEDTLS_ERR_MD_ALLOC_FAILED) )
306 mbedtls_snprintf( buf, buflen, "MD - Failed to allocate memory" );
307 if( use_ret == -(MBEDTLS_ERR_MD_FILE_IO_ERROR) )
308 mbedtls_snprintf( buf, buflen, "MD - Opening or reading of file failed" );
309 if( use_ret == -(MBEDTLS_ERR_MD_HW_ACCEL_FAILED) )
310 mbedtls_snprintf( buf, buflen, "MD - MD hardware accelerator failed" );
311#endif /* MBEDTLS_MD_C */
312
313#if defined(MBEDTLS_PEM_PARSE_C) || defined(MBEDTLS_PEM_WRITE_C)
314 if( use_ret == -(MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT) )
315 mbedtls_snprintf( buf, buflen, "PEM - No PEM header or footer found" );
316 if( use_ret == -(MBEDTLS_ERR_PEM_INVALID_DATA) )
317 mbedtls_snprintf( buf, buflen, "PEM - PEM string is not as expected" );
318 if( use_ret == -(MBEDTLS_ERR_PEM_ALLOC_FAILED) )
319 mbedtls_snprintf( buf, buflen, "PEM - Failed to allocate memory" );
320 if( use_ret == -(MBEDTLS_ERR_PEM_INVALID_ENC_IV) )
321 mbedtls_snprintf( buf, buflen, "PEM - RSA IV is not in hex-format" );
322 if( use_ret == -(MBEDTLS_ERR_PEM_UNKNOWN_ENC_ALG) )
323 mbedtls_snprintf( buf, buflen, "PEM - Unsupported key encryption algorithm" );
324 if( use_ret == -(MBEDTLS_ERR_PEM_PASSWORD_REQUIRED) )
325 mbedtls_snprintf( buf, buflen, "PEM - Private key password can't be empty" );
326 if( use_ret == -(MBEDTLS_ERR_PEM_PASSWORD_MISMATCH) )
327 mbedtls_snprintf( buf, buflen, "PEM - Given private key password does not allow for correct decryption" );
328 if( use_ret == -(MBEDTLS_ERR_PEM_FEATURE_UNAVAILABLE) )
329 mbedtls_snprintf( buf, buflen, "PEM - Unavailable feature, e.g. hashing/encryption combination" );
330 if( use_ret == -(MBEDTLS_ERR_PEM_BAD_INPUT_DATA) )
331 mbedtls_snprintf( buf, buflen, "PEM - Bad input parameters to function" );
332#endif /* MBEDTLS_PEM_PARSE_C || MBEDTLS_PEM_WRITE_C */
333
334#if defined(MBEDTLS_PK_C)
335 if( use_ret == -(MBEDTLS_ERR_PK_ALLOC_FAILED) )
336 mbedtls_snprintf( buf, buflen, "PK - Memory allocation failed" );
337 if( use_ret == -(MBEDTLS_ERR_PK_TYPE_MISMATCH) )
338 mbedtls_snprintf( buf, buflen, "PK - Type mismatch, eg attempt to encrypt with an ECDSA key" );
339 if( use_ret == -(MBEDTLS_ERR_PK_BAD_INPUT_DATA) )
340 mbedtls_snprintf( buf, buflen, "PK - Bad input parameters to function" );
341 if( use_ret == -(MBEDTLS_ERR_PK_FILE_IO_ERROR) )
342 mbedtls_snprintf( buf, buflen, "PK - Read/write of file failed" );
343 if( use_ret == -(MBEDTLS_ERR_PK_KEY_INVALID_VERSION) )
344 mbedtls_snprintf( buf, buflen, "PK - Unsupported key version" );
345 if( use_ret == -(MBEDTLS_ERR_PK_KEY_INVALID_FORMAT) )
346 mbedtls_snprintf( buf, buflen, "PK - Invalid key tag or value" );
347 if( use_ret == -(MBEDTLS_ERR_PK_UNKNOWN_PK_ALG) )
348 mbedtls_snprintf( buf, buflen, "PK - Key algorithm is unsupported (only RSA and EC are supported)" );
349 if( use_ret == -(MBEDTLS_ERR_PK_PASSWORD_REQUIRED) )
350 mbedtls_snprintf( buf, buflen, "PK - Private key password can't be empty" );
351 if( use_ret == -(MBEDTLS_ERR_PK_PASSWORD_MISMATCH) )
352 mbedtls_snprintf( buf, buflen, "PK - Given private key password does not allow for correct decryption" );
353 if( use_ret == -(MBEDTLS_ERR_PK_INVALID_PUBKEY) )
354 mbedtls_snprintf( buf, buflen, "PK - The pubkey tag or value is invalid (only RSA and EC are supported)" );
355 if( use_ret == -(MBEDTLS_ERR_PK_INVALID_ALG) )
356 mbedtls_snprintf( buf, buflen, "PK - The algorithm tag or value is invalid" );
357 if( use_ret == -(MBEDTLS_ERR_PK_UNKNOWN_NAMED_CURVE) )
358 mbedtls_snprintf( buf, buflen, "PK - Elliptic curve is unsupported (only NIST curves are supported)" );
359 if( use_ret == -(MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE) )
360 mbedtls_snprintf( buf, buflen, "PK - Unavailable feature, e.g. RSA disabled for RSA key" );
361 if( use_ret == -(MBEDTLS_ERR_PK_SIG_LEN_MISMATCH) )
362 mbedtls_snprintf( buf, buflen, "PK - The buffer contains a valid signature followed by more data" );
363 if( use_ret == -(MBEDTLS_ERR_PK_HW_ACCEL_FAILED) )
364 mbedtls_snprintf( buf, buflen, "PK - PK hardware accelerator failed" );
365#endif /* MBEDTLS_PK_C */
366
367#if defined(MBEDTLS_PKCS12_C)
368 if( use_ret == -(MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA) )
369 mbedtls_snprintf( buf, buflen, "PKCS12 - Bad input parameters to function" );
370 if( use_ret == -(MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE) )
371 mbedtls_snprintf( buf, buflen, "PKCS12 - Feature not available, e.g. unsupported encryption scheme" );
372 if( use_ret == -(MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT) )
373 mbedtls_snprintf( buf, buflen, "PKCS12 - PBE ASN.1 data not as expected" );
374 if( use_ret == -(MBEDTLS_ERR_PKCS12_PASSWORD_MISMATCH) )
375 mbedtls_snprintf( buf, buflen, "PKCS12 - Given private key password does not allow for correct decryption" );
376#endif /* MBEDTLS_PKCS12_C */
377
378#if defined(MBEDTLS_PKCS5_C)
379 if( use_ret == -(MBEDTLS_ERR_PKCS5_BAD_INPUT_DATA) )
380 mbedtls_snprintf( buf, buflen, "PKCS5 - Bad input parameters to function" );
381 if( use_ret == -(MBEDTLS_ERR_PKCS5_INVALID_FORMAT) )
382 mbedtls_snprintf( buf, buflen, "PKCS5 - Unexpected ASN.1 data" );
383 if( use_ret == -(MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE) )
384 mbedtls_snprintf( buf, buflen, "PKCS5 - Requested encryption or digest alg not available" );
385 if( use_ret == -(MBEDTLS_ERR_PKCS5_PASSWORD_MISMATCH) )
386 mbedtls_snprintf( buf, buflen, "PKCS5 - Given private key password does not allow for correct decryption" );
387#endif /* MBEDTLS_PKCS5_C */
388
389#if defined(MBEDTLS_RSA_C)
390 if( use_ret == -(MBEDTLS_ERR_RSA_BAD_INPUT_DATA) )
391 mbedtls_snprintf( buf, buflen, "RSA - Bad input parameters to function" );
392 if( use_ret == -(MBEDTLS_ERR_RSA_INVALID_PADDING) )
393 mbedtls_snprintf( buf, buflen, "RSA - Input data contains invalid padding and is rejected" );
394 if( use_ret == -(MBEDTLS_ERR_RSA_KEY_GEN_FAILED) )
395 mbedtls_snprintf( buf, buflen, "RSA - Something failed during generation of a key" );
396 if( use_ret == -(MBEDTLS_ERR_RSA_KEY_CHECK_FAILED) )
397 mbedtls_snprintf( buf, buflen, "RSA - Key failed to pass the validity check of the library" );
398 if( use_ret == -(MBEDTLS_ERR_RSA_PUBLIC_FAILED) )
399 mbedtls_snprintf( buf, buflen, "RSA - The public key operation failed" );
400 if( use_ret == -(MBEDTLS_ERR_RSA_PRIVATE_FAILED) )
401 mbedtls_snprintf( buf, buflen, "RSA - The private key operation failed" );
402 if( use_ret == -(MBEDTLS_ERR_RSA_VERIFY_FAILED) )
403 mbedtls_snprintf( buf, buflen, "RSA - The PKCS#1 verification failed" );
404 if( use_ret == -(MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE) )
405 mbedtls_snprintf( buf, buflen, "RSA - The output buffer for decryption is not large enough" );
406 if( use_ret == -(MBEDTLS_ERR_RSA_RNG_FAILED) )
407 mbedtls_snprintf( buf, buflen, "RSA - The random generator failed to generate non-zeros" );
408 if( use_ret == -(MBEDTLS_ERR_RSA_UNSUPPORTED_OPERATION) )
409 mbedtls_snprintf( buf, buflen, "RSA - The implementation does not offer the requested operation, for example, because of security violations or lack of functionality" );
410 if( use_ret == -(MBEDTLS_ERR_RSA_HW_ACCEL_FAILED) )
411 mbedtls_snprintf( buf, buflen, "RSA - RSA hardware accelerator failed" );
412#endif /* MBEDTLS_RSA_C */
413
414#if defined(MBEDTLS_SSL_TLS_C)
415 if( use_ret == -(MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE) )
416 mbedtls_snprintf( buf, buflen, "SSL - The requested feature is not available" );
417 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_INPUT_DATA) )
418 mbedtls_snprintf( buf, buflen, "SSL - Bad input parameters to function" );
419 if( use_ret == -(MBEDTLS_ERR_SSL_INVALID_MAC) )
420 mbedtls_snprintf( buf, buflen, "SSL - Verification of the message MAC failed" );
421 if( use_ret == -(MBEDTLS_ERR_SSL_INVALID_RECORD) )
422 mbedtls_snprintf( buf, buflen, "SSL - An invalid SSL record was received" );
423 if( use_ret == -(MBEDTLS_ERR_SSL_CONN_EOF) )
424 mbedtls_snprintf( buf, buflen, "SSL - The connection indicated an EOF" );
425 if( use_ret == -(MBEDTLS_ERR_SSL_UNKNOWN_CIPHER) )
426 mbedtls_snprintf( buf, buflen, "SSL - An unknown cipher was received" );
427 if( use_ret == -(MBEDTLS_ERR_SSL_NO_CIPHER_CHOSEN) )
428 mbedtls_snprintf( buf, buflen, "SSL - The server has no ciphersuites in common with the client" );
429 if( use_ret == -(MBEDTLS_ERR_SSL_NO_RNG) )
430 mbedtls_snprintf( buf, buflen, "SSL - No RNG was provided to the SSL module" );
431 if( use_ret == -(MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE) )
432 mbedtls_snprintf( buf, buflen, "SSL - No client certification received from the client, but required by the authentication mode" );
433 if( use_ret == -(MBEDTLS_ERR_SSL_CERTIFICATE_TOO_LARGE) )
434 mbedtls_snprintf( buf, buflen, "SSL - Our own certificate(s) is/are too large to send in an SSL message" );
435 if( use_ret == -(MBEDTLS_ERR_SSL_CERTIFICATE_REQUIRED) )
436 mbedtls_snprintf( buf, buflen, "SSL - The own certificate is not set, but needed by the server" );
437 if( use_ret == -(MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED) )
438 mbedtls_snprintf( buf, buflen, "SSL - The own private key or pre-shared key is not set, but needed" );
439 if( use_ret == -(MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED) )
440 mbedtls_snprintf( buf, buflen, "SSL - No CA Chain is set, but required to operate" );
441 if( use_ret == -(MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE) )
442 mbedtls_snprintf( buf, buflen, "SSL - An unexpected message was received from our peer" );
443 if( use_ret == -(MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE) )
444 {
445 mbedtls_snprintf( buf, buflen, "SSL - A fatal alert message was received from our peer" );
446 return;
447 }
448 if( use_ret == -(MBEDTLS_ERR_SSL_PEER_VERIFY_FAILED) )
449 mbedtls_snprintf( buf, buflen, "SSL - Verification of our peer failed" );
450 if( use_ret == -(MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY) )
451 mbedtls_snprintf( buf, buflen, "SSL - The peer notified us that the connection is going to be closed" );
452 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO) )
453 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientHello handshake message failed" );
454 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO) )
455 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ServerHello handshake message failed" );
456 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE) )
457 mbedtls_snprintf( buf, buflen, "SSL - Processing of the Certificate handshake message failed" );
458 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST) )
459 mbedtls_snprintf( buf, buflen, "SSL - Processing of the CertificateRequest handshake message failed" );
460 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE) )
461 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ServerKeyExchange handshake message failed" );
462 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO_DONE) )
463 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ServerHelloDone handshake message failed" );
464 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE) )
465 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed" );
466 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP) )
467 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Read Public" );
468 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_CS) )
469 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Calculate Secret" );
470 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY) )
471 mbedtls_snprintf( buf, buflen, "SSL - Processing of the CertificateVerify handshake message failed" );
472 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CHANGE_CIPHER_SPEC) )
473 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ChangeCipherSpec handshake message failed" );
474 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_FINISHED) )
475 mbedtls_snprintf( buf, buflen, "SSL - Processing of the Finished handshake message failed" );
476 if( use_ret == -(MBEDTLS_ERR_SSL_ALLOC_FAILED) )
477 mbedtls_snprintf( buf, buflen, "SSL - Memory allocation failed" );
478 if( use_ret == -(MBEDTLS_ERR_SSL_HW_ACCEL_FAILED) )
479 mbedtls_snprintf( buf, buflen, "SSL - Hardware acceleration function returned with error" );
480 if( use_ret == -(MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH) )
481 mbedtls_snprintf( buf, buflen, "SSL - Hardware acceleration function skipped / left alone data" );
482 if( use_ret == -(MBEDTLS_ERR_SSL_COMPRESSION_FAILED) )
483 mbedtls_snprintf( buf, buflen, "SSL - Processing of the compression / decompression failed" );
484 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION) )
485 mbedtls_snprintf( buf, buflen, "SSL - Handshake protocol not within min/max boundaries" );
486 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET) )
487 mbedtls_snprintf( buf, buflen, "SSL - Processing of the NewSessionTicket handshake message failed" );
488 if( use_ret == -(MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED) )
489 mbedtls_snprintf( buf, buflen, "SSL - Session ticket has expired" );
490 if( use_ret == -(MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH) )
491 mbedtls_snprintf( buf, buflen, "SSL - Public key type mismatch (eg, asked for RSA key exchange and presented EC key)" );
492 if( use_ret == -(MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY) )
493 mbedtls_snprintf( buf, buflen, "SSL - Unknown identity received (eg, PSK identity)" );
494 if( use_ret == -(MBEDTLS_ERR_SSL_INTERNAL_ERROR) )
495 mbedtls_snprintf( buf, buflen, "SSL - Internal error (eg, unexpected failure in lower-level module)" );
496 if( use_ret == -(MBEDTLS_ERR_SSL_COUNTER_WRAPPING) )
497 mbedtls_snprintf( buf, buflen, "SSL - A counter would wrap (eg, too many messages exchanged)" );
498 if( use_ret == -(MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO) )
499 mbedtls_snprintf( buf, buflen, "SSL - Unexpected message at ServerHello in renegotiation" );
500 if( use_ret == -(MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED) )
501 mbedtls_snprintf( buf, buflen, "SSL - DTLS client must retry for hello verification" );
502 if( use_ret == -(MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL) )
503 mbedtls_snprintf( buf, buflen, "SSL - A buffer is too small to receive or write a message" );
504 if( use_ret == -(MBEDTLS_ERR_SSL_NO_USABLE_CIPHERSUITE) )
505 mbedtls_snprintf( buf, buflen, "SSL - None of the common ciphersuites is usable (eg, no suitable certificate, see debug messages)" );
506 if( use_ret == -(MBEDTLS_ERR_SSL_WANT_READ) )
507 mbedtls_snprintf( buf, buflen, "SSL - No data of requested type currently available on underlying transport" );
508 if( use_ret == -(MBEDTLS_ERR_SSL_WANT_WRITE) )
509 mbedtls_snprintf( buf, buflen, "SSL - Connection requires a write call" );
510 if( use_ret == -(MBEDTLS_ERR_SSL_TIMEOUT) )
511 mbedtls_snprintf( buf, buflen, "SSL - The operation timed out" );
512 if( use_ret == -(MBEDTLS_ERR_SSL_CLIENT_RECONNECT) )
513 mbedtls_snprintf( buf, buflen, "SSL - The client initiated a reconnect from the same port" );
514 if( use_ret == -(MBEDTLS_ERR_SSL_UNEXPECTED_RECORD) )
515 mbedtls_snprintf( buf, buflen, "SSL - Record header looks valid but is not expected" );
516 if( use_ret == -(MBEDTLS_ERR_SSL_NON_FATAL) )
517 mbedtls_snprintf( buf, buflen, "SSL - The alert message received indicates a non-fatal error" );
518 if( use_ret == -(MBEDTLS_ERR_SSL_INVALID_VERIFY_HASH) )
519 mbedtls_snprintf( buf, buflen, "SSL - Couldn't set the hash for verifying CertificateVerify" );
520 if( use_ret == -(MBEDTLS_ERR_SSL_CONTINUE_PROCESSING) )
521 mbedtls_snprintf( buf, buflen, "SSL - Internal-only message signaling that further message-processing should be done" );
522 if( use_ret == -(MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS) )
523 mbedtls_snprintf( buf, buflen, "SSL - The asynchronous operation is not completed yet" );
524 if( use_ret == -(MBEDTLS_ERR_SSL_EARLY_MESSAGE) )
525 mbedtls_snprintf( buf, buflen, "SSL - Internal-only message signaling that a message arrived early" );
526 if( use_ret == -(MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) )
527 mbedtls_snprintf( buf, buflen, "SSL - A cryptographic operation is in progress. Try again later" );
528#endif /* MBEDTLS_SSL_TLS_C */
529
530#if defined(MBEDTLS_X509_USE_C) || defined(MBEDTLS_X509_CREATE_C)
531 if( use_ret == -(MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE) )
532 mbedtls_snprintf( buf, buflen, "X509 - Unavailable feature, e.g. RSA hashing/encryption combination" );
533 if( use_ret == -(MBEDTLS_ERR_X509_UNKNOWN_OID) )
534 mbedtls_snprintf( buf, buflen, "X509 - Requested OID is unknown" );
535 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_FORMAT) )
536 mbedtls_snprintf( buf, buflen, "X509 - The CRT/CRL/CSR format is invalid, e.g. different type expected" );
537 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_VERSION) )
538 mbedtls_snprintf( buf, buflen, "X509 - The CRT/CRL/CSR version element is invalid" );
539 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_SERIAL) )
540 mbedtls_snprintf( buf, buflen, "X509 - The serial tag or value is invalid" );
541 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_ALG) )
542 mbedtls_snprintf( buf, buflen, "X509 - The algorithm tag or value is invalid" );
543 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_NAME) )
544 mbedtls_snprintf( buf, buflen, "X509 - The name tag or value is invalid" );
545 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_DATE) )
546 mbedtls_snprintf( buf, buflen, "X509 - The date tag or value is invalid" );
547 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_SIGNATURE) )
548 mbedtls_snprintf( buf, buflen, "X509 - The signature tag or value invalid" );
549 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_EXTENSIONS) )
550 mbedtls_snprintf( buf, buflen, "X509 - The extension tag or value is invalid" );
551 if( use_ret == -(MBEDTLS_ERR_X509_UNKNOWN_VERSION) )
552 mbedtls_snprintf( buf, buflen, "X509 - CRT/CRL/CSR has an unsupported version number" );
553 if( use_ret == -(MBEDTLS_ERR_X509_UNKNOWN_SIG_ALG) )
554 mbedtls_snprintf( buf, buflen, "X509 - Signature algorithm (oid) is unsupported" );
555 if( use_ret == -(MBEDTLS_ERR_X509_SIG_MISMATCH) )
556 mbedtls_snprintf( buf, buflen, "X509 - Signature algorithms do not match. (see \\c ::mbedtls_x509_crt sig_oid)" );
557 if( use_ret == -(MBEDTLS_ERR_X509_CERT_VERIFY_FAILED) )
558 mbedtls_snprintf( buf, buflen, "X509 - Certificate verification failed, e.g. CRL, CA or signature check failed" );
559 if( use_ret == -(MBEDTLS_ERR_X509_CERT_UNKNOWN_FORMAT) )
560 mbedtls_snprintf( buf, buflen, "X509 - Format not recognized as DER or PEM" );
561 if( use_ret == -(MBEDTLS_ERR_X509_BAD_INPUT_DATA) )
562 mbedtls_snprintf( buf, buflen, "X509 - Input invalid" );
563 if( use_ret == -(MBEDTLS_ERR_X509_ALLOC_FAILED) )
564 mbedtls_snprintf( buf, buflen, "X509 - Allocation of memory failed" );
565 if( use_ret == -(MBEDTLS_ERR_X509_FILE_IO_ERROR) )
566 mbedtls_snprintf( buf, buflen, "X509 - Read/write of file failed" );
567 if( use_ret == -(MBEDTLS_ERR_X509_BUFFER_TOO_SMALL) )
568 mbedtls_snprintf( buf, buflen, "X509 - Destination buffer is too small" );
569 if( use_ret == -(MBEDTLS_ERR_X509_FATAL_ERROR) )
570 mbedtls_snprintf( buf, buflen, "X509 - A fatal error occured, eg the chain is too long or the vrfy callback failed" );
571#endif /* MBEDTLS_X509_USE_C || MBEDTLS_X509_CREATE_C */
572 // END generated code
573
574 if( strlen( buf ) == 0 )
575 mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret );
576 }
577
578 use_ret = ret & ~0xFF80;
579
580 if( use_ret == 0 )
581 return;
582
583 // If high level code is present, make a concatenation between both
584 // error strings.
585 //
586 len = strlen( buf );
587
588 if( len > 0 )
589 {
590 if( buflen - len < 5 )
591 return;
592
593 mbedtls_snprintf( buf + len, buflen - len, " : " );
594
595 buf += len + 3;
596 buflen -= len + 3;
597 }
598
599 // Low level error codes
600 //
601 // BEGIN generated code
602#if defined(MBEDTLS_AES_C)
603 if( use_ret == -(MBEDTLS_ERR_AES_INVALID_KEY_LENGTH) )
604 mbedtls_snprintf( buf, buflen, "AES - Invalid key length" );
605 if( use_ret == -(MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH) )
606 mbedtls_snprintf( buf, buflen, "AES - Invalid data input length" );
607 if( use_ret == -(MBEDTLS_ERR_AES_BAD_INPUT_DATA) )
608 mbedtls_snprintf( buf, buflen, "AES - Invalid input data" );
609 if( use_ret == -(MBEDTLS_ERR_AES_FEATURE_UNAVAILABLE) )
610 mbedtls_snprintf( buf, buflen, "AES - Feature not available. For example, an unsupported AES key size" );
611 if( use_ret == -(MBEDTLS_ERR_AES_HW_ACCEL_FAILED) )
612 mbedtls_snprintf( buf, buflen, "AES - AES hardware accelerator failed" );
613#endif /* MBEDTLS_AES_C */
614
615#if defined(MBEDTLS_ARC4_C)
616 if( use_ret == -(MBEDTLS_ERR_ARC4_HW_ACCEL_FAILED) )
617 mbedtls_snprintf( buf, buflen, "ARC4 - ARC4 hardware accelerator failed" );
618#endif /* MBEDTLS_ARC4_C */
619
620#if defined(MBEDTLS_ARIA_C)
621 if( use_ret == -(MBEDTLS_ERR_ARIA_BAD_INPUT_DATA) )
622 mbedtls_snprintf( buf, buflen, "ARIA - Bad input data" );
623 if( use_ret == -(MBEDTLS_ERR_ARIA_INVALID_INPUT_LENGTH) )
624 mbedtls_snprintf( buf, buflen, "ARIA - Invalid data input length" );
625 if( use_ret == -(MBEDTLS_ERR_ARIA_FEATURE_UNAVAILABLE) )
626 mbedtls_snprintf( buf, buflen, "ARIA - Feature not available. For example, an unsupported ARIA key size" );
627 if( use_ret == -(MBEDTLS_ERR_ARIA_HW_ACCEL_FAILED) )
628 mbedtls_snprintf( buf, buflen, "ARIA - ARIA hardware accelerator failed" );
629#endif /* MBEDTLS_ARIA_C */
630
631#if defined(MBEDTLS_ASN1_PARSE_C)
632 if( use_ret == -(MBEDTLS_ERR_ASN1_OUT_OF_DATA) )
633 mbedtls_snprintf( buf, buflen, "ASN1 - Out of data when parsing an ASN1 data structure" );
634 if( use_ret == -(MBEDTLS_ERR_ASN1_UNEXPECTED_TAG) )
635 mbedtls_snprintf( buf, buflen, "ASN1 - ASN1 tag was of an unexpected value" );
636 if( use_ret == -(MBEDTLS_ERR_ASN1_INVALID_LENGTH) )
637 mbedtls_snprintf( buf, buflen, "ASN1 - Error when trying to determine the length or invalid length" );
638 if( use_ret == -(MBEDTLS_ERR_ASN1_LENGTH_MISMATCH) )
639 mbedtls_snprintf( buf, buflen, "ASN1 - Actual length differs from expected length" );
640 if( use_ret == -(MBEDTLS_ERR_ASN1_INVALID_DATA) )
641 mbedtls_snprintf( buf, buflen, "ASN1 - Data is invalid. (not used)" );
642 if( use_ret == -(MBEDTLS_ERR_ASN1_ALLOC_FAILED) )
643 mbedtls_snprintf( buf, buflen, "ASN1 - Memory allocation failed" );
644 if( use_ret == -(MBEDTLS_ERR_ASN1_BUF_TOO_SMALL) )
645 mbedtls_snprintf( buf, buflen, "ASN1 - Buffer too small when writing ASN.1 data structure" );
646#endif /* MBEDTLS_ASN1_PARSE_C */
647
648#if defined(MBEDTLS_BASE64_C)
649 if( use_ret == -(MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL) )
650 mbedtls_snprintf( buf, buflen, "BASE64 - Output buffer too small" );
651 if( use_ret == -(MBEDTLS_ERR_BASE64_INVALID_CHARACTER) )
652 mbedtls_snprintf( buf, buflen, "BASE64 - Invalid character in input" );
653#endif /* MBEDTLS_BASE64_C */
654
655#if defined(MBEDTLS_BIGNUM_C)
656 if( use_ret == -(MBEDTLS_ERR_MPI_FILE_IO_ERROR) )
657 mbedtls_snprintf( buf, buflen, "BIGNUM - An error occurred while reading from or writing to a file" );
658 if( use_ret == -(MBEDTLS_ERR_MPI_BAD_INPUT_DATA) )
659 mbedtls_snprintf( buf, buflen, "BIGNUM - Bad input parameters to function" );
660 if( use_ret == -(MBEDTLS_ERR_MPI_INVALID_CHARACTER) )
661 mbedtls_snprintf( buf, buflen, "BIGNUM - There is an invalid character in the digit string" );
662 if( use_ret == -(MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL) )
663 mbedtls_snprintf( buf, buflen, "BIGNUM - The buffer is too small to write to" );
664 if( use_ret == -(MBEDTLS_ERR_MPI_NEGATIVE_VALUE) )
665 mbedtls_snprintf( buf, buflen, "BIGNUM - The input arguments are negative or result in illegal output" );
666 if( use_ret == -(MBEDTLS_ERR_MPI_DIVISION_BY_ZERO) )
667 mbedtls_snprintf( buf, buflen, "BIGNUM - The input argument for division is zero, which is not allowed" );
668 if( use_ret == -(MBEDTLS_ERR_MPI_NOT_ACCEPTABLE) )
669 mbedtls_snprintf( buf, buflen, "BIGNUM - The input arguments are not acceptable" );
670 if( use_ret == -(MBEDTLS_ERR_MPI_ALLOC_FAILED) )
671 mbedtls_snprintf( buf, buflen, "BIGNUM - Memory allocation failed" );
672#endif /* MBEDTLS_BIGNUM_C */
673
674#if defined(MBEDTLS_BLOWFISH_C)
675 if( use_ret == -(MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA) )
676 mbedtls_snprintf( buf, buflen, "BLOWFISH - Bad input data" );
677 if( use_ret == -(MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH) )
678 mbedtls_snprintf( buf, buflen, "BLOWFISH - Invalid data input length" );
679 if( use_ret == -(MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED) )
680 mbedtls_snprintf( buf, buflen, "BLOWFISH - Blowfish hardware accelerator failed" );
681#endif /* MBEDTLS_BLOWFISH_C */
682
683#if defined(MBEDTLS_CAMELLIA_C)
684 if( use_ret == -(MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA) )
685 mbedtls_snprintf( buf, buflen, "CAMELLIA - Bad input data" );
686 if( use_ret == -(MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH) )
687 mbedtls_snprintf( buf, buflen, "CAMELLIA - Invalid data input length" );
688 if( use_ret == -(MBEDTLS_ERR_CAMELLIA_HW_ACCEL_FAILED) )
689 mbedtls_snprintf( buf, buflen, "CAMELLIA - Camellia hardware accelerator failed" );
690#endif /* MBEDTLS_CAMELLIA_C */
691
692#if defined(MBEDTLS_CCM_C)
693 if( use_ret == -(MBEDTLS_ERR_CCM_BAD_INPUT) )
694 mbedtls_snprintf( buf, buflen, "CCM - Bad input parameters to the function" );
695 if( use_ret == -(MBEDTLS_ERR_CCM_AUTH_FAILED) )
696 mbedtls_snprintf( buf, buflen, "CCM - Authenticated decryption failed" );
697 if( use_ret == -(MBEDTLS_ERR_CCM_HW_ACCEL_FAILED) )
698 mbedtls_snprintf( buf, buflen, "CCM - CCM hardware accelerator failed" );
699#endif /* MBEDTLS_CCM_C */
700
701#if defined(MBEDTLS_CHACHA20_C)
702 if( use_ret == -(MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA) )
703 mbedtls_snprintf( buf, buflen, "CHACHA20 - Invalid input parameter(s)" );
704 if( use_ret == -(MBEDTLS_ERR_CHACHA20_FEATURE_UNAVAILABLE) )
705 mbedtls_snprintf( buf, buflen, "CHACHA20 - Feature not available. For example, s part of the API is not implemented" );
706 if( use_ret == -(MBEDTLS_ERR_CHACHA20_HW_ACCEL_FAILED) )
707 mbedtls_snprintf( buf, buflen, "CHACHA20 - Chacha20 hardware accelerator failed" );
708#endif /* MBEDTLS_CHACHA20_C */
709
710#if defined(MBEDTLS_CHACHAPOLY_C)
711 if( use_ret == -(MBEDTLS_ERR_CHACHAPOLY_BAD_STATE) )
712 mbedtls_snprintf( buf, buflen, "CHACHAPOLY - The requested operation is not permitted in the current state" );
713 if( use_ret == -(MBEDTLS_ERR_CHACHAPOLY_AUTH_FAILED) )
714 mbedtls_snprintf( buf, buflen, "CHACHAPOLY - Authenticated decryption failed: data was not authentic" );
715#endif /* MBEDTLS_CHACHAPOLY_C */
716
717#if defined(MBEDTLS_CMAC_C)
718 if( use_ret == -(MBEDTLS_ERR_CMAC_HW_ACCEL_FAILED) )
719 mbedtls_snprintf( buf, buflen, "CMAC - CMAC hardware accelerator failed" );
720#endif /* MBEDTLS_CMAC_C */
721
722#if defined(MBEDTLS_CTR_DRBG_C)
723 if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED) )
724 mbedtls_snprintf( buf, buflen, "CTR_DRBG - The entropy source failed" );
725 if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_REQUEST_TOO_BIG) )
726 mbedtls_snprintf( buf, buflen, "CTR_DRBG - The requested random buffer length is too big" );
727 if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG) )
728 mbedtls_snprintf( buf, buflen, "CTR_DRBG - The input (entropy + additional data) is too large" );
729 if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR) )
730 mbedtls_snprintf( buf, buflen, "CTR_DRBG - Read or write error in file" );
731#endif /* MBEDTLS_CTR_DRBG_C */
732
733#if defined(MBEDTLS_DES_C)
734 if( use_ret == -(MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH) )
735 mbedtls_snprintf( buf, buflen, "DES - The data input has an invalid length" );
736 if( use_ret == -(MBEDTLS_ERR_DES_HW_ACCEL_FAILED) )
737 mbedtls_snprintf( buf, buflen, "DES - DES hardware accelerator failed" );
738#endif /* MBEDTLS_DES_C */
739
740#if defined(MBEDTLS_ENTROPY_C)
741 if( use_ret == -(MBEDTLS_ERR_ENTROPY_SOURCE_FAILED) )
742 mbedtls_snprintf( buf, buflen, "ENTROPY - Critical entropy source failure" );
743 if( use_ret == -(MBEDTLS_ERR_ENTROPY_MAX_SOURCES) )
744 mbedtls_snprintf( buf, buflen, "ENTROPY - No more sources can be added" );
745 if( use_ret == -(MBEDTLS_ERR_ENTROPY_NO_SOURCES_DEFINED) )
746 mbedtls_snprintf( buf, buflen, "ENTROPY - No sources have been added to poll" );
747 if( use_ret == -(MBEDTLS_ERR_ENTROPY_NO_STRONG_SOURCE) )
748 mbedtls_snprintf( buf, buflen, "ENTROPY - No strong sources have been added to poll" );
749 if( use_ret == -(MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR) )
750 mbedtls_snprintf( buf, buflen, "ENTROPY - Read/write error in file" );
751#endif /* MBEDTLS_ENTROPY_C */
752
753#if defined(MBEDTLS_GCM_C)
754 if( use_ret == -(MBEDTLS_ERR_GCM_AUTH_FAILED) )
755 mbedtls_snprintf( buf, buflen, "GCM - Authenticated decryption failed" );
756 if( use_ret == -(MBEDTLS_ERR_GCM_HW_ACCEL_FAILED) )
757 mbedtls_snprintf( buf, buflen, "GCM - GCM hardware accelerator failed" );
758 if( use_ret == -(MBEDTLS_ERR_GCM_BAD_INPUT) )
759 mbedtls_snprintf( buf, buflen, "GCM - Bad input parameters to function" );
760#endif /* MBEDTLS_GCM_C */
761
762#if defined(MBEDTLS_HKDF_C)
763 if( use_ret == -(MBEDTLS_ERR_HKDF_BAD_INPUT_DATA) )
764 mbedtls_snprintf( buf, buflen, "HKDF - Bad input parameters to function" );
765#endif /* MBEDTLS_HKDF_C */
766
767#if defined(MBEDTLS_HMAC_DRBG_C)
768 if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_REQUEST_TOO_BIG) )
769 mbedtls_snprintf( buf, buflen, "HMAC_DRBG - Too many random requested in single call" );
770 if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG) )
771 mbedtls_snprintf( buf, buflen, "HMAC_DRBG - Input too large (Entropy + additional)" );
772 if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_FILE_IO_ERROR) )
773 mbedtls_snprintf( buf, buflen, "HMAC_DRBG - Read/write error in file" );
774 if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED) )
775 mbedtls_snprintf( buf, buflen, "HMAC_DRBG - The entropy source failed" );
776#endif /* MBEDTLS_HMAC_DRBG_C */
777
778#if defined(MBEDTLS_MD2_C)
779 if( use_ret == -(MBEDTLS_ERR_MD2_HW_ACCEL_FAILED) )
780 mbedtls_snprintf( buf, buflen, "MD2 - MD2 hardware accelerator failed" );
781#endif /* MBEDTLS_MD2_C */
782
783#if defined(MBEDTLS_MD4_C)
784 if( use_ret == -(MBEDTLS_ERR_MD4_HW_ACCEL_FAILED) )
785 mbedtls_snprintf( buf, buflen, "MD4 - MD4 hardware accelerator failed" );
786#endif /* MBEDTLS_MD4_C */
787
788#if defined(MBEDTLS_MD5_C)
789 if( use_ret == -(MBEDTLS_ERR_MD5_HW_ACCEL_FAILED) )
790 mbedtls_snprintf( buf, buflen, "MD5 - MD5 hardware accelerator failed" );
791#endif /* MBEDTLS_MD5_C */
792
793#if defined(MBEDTLS_NET_C)
794 if( use_ret == -(MBEDTLS_ERR_NET_SOCKET_FAILED) )
795 mbedtls_snprintf( buf, buflen, "NET - Failed to open a socket" );
796 if( use_ret == -(MBEDTLS_ERR_NET_CONNECT_FAILED) )
797 mbedtls_snprintf( buf, buflen, "NET - The connection to the given server / port failed" );
798 if( use_ret == -(MBEDTLS_ERR_NET_BIND_FAILED) )
799 mbedtls_snprintf( buf, buflen, "NET - Binding of the socket failed" );
800 if( use_ret == -(MBEDTLS_ERR_NET_LISTEN_FAILED) )
801 mbedtls_snprintf( buf, buflen, "NET - Could not listen on the socket" );
802 if( use_ret == -(MBEDTLS_ERR_NET_ACCEPT_FAILED) )
803 mbedtls_snprintf( buf, buflen, "NET - Could not accept the incoming connection" );
804 if( use_ret == -(MBEDTLS_ERR_NET_RECV_FAILED) )
805 mbedtls_snprintf( buf, buflen, "NET - Reading information from the socket failed" );
806 if( use_ret == -(MBEDTLS_ERR_NET_SEND_FAILED) )
807 mbedtls_snprintf( buf, buflen, "NET - Sending information through the socket failed" );
808 if( use_ret == -(MBEDTLS_ERR_NET_CONN_RESET) )
809 mbedtls_snprintf( buf, buflen, "NET - Connection was reset by peer" );
810 if( use_ret == -(MBEDTLS_ERR_NET_UNKNOWN_HOST) )
811 mbedtls_snprintf( buf, buflen, "NET - Failed to get an IP address for the given hostname" );
812 if( use_ret == -(MBEDTLS_ERR_NET_BUFFER_TOO_SMALL) )
813 mbedtls_snprintf( buf, buflen, "NET - Buffer is too small to hold the data" );
814 if( use_ret == -(MBEDTLS_ERR_NET_INVALID_CONTEXT) )
815 mbedtls_snprintf( buf, buflen, "NET - The context is invalid, eg because it was free()ed" );
816 if( use_ret == -(MBEDTLS_ERR_NET_POLL_FAILED) )
817 mbedtls_snprintf( buf, buflen, "NET - Polling the net context failed" );
818 if( use_ret == -(MBEDTLS_ERR_NET_BAD_INPUT_DATA) )
819 mbedtls_snprintf( buf, buflen, "NET - Input invalid" );
820#endif /* MBEDTLS_NET_C */
821
822#if defined(MBEDTLS_OID_C)
823 if( use_ret == -(MBEDTLS_ERR_OID_NOT_FOUND) )
824 mbedtls_snprintf( buf, buflen, "OID - OID is not found" );
825 if( use_ret == -(MBEDTLS_ERR_OID_BUF_TOO_SMALL) )
826 mbedtls_snprintf( buf, buflen, "OID - output buffer is too small" );
827#endif /* MBEDTLS_OID_C */
828
829#if defined(MBEDTLS_PADLOCK_C)
830 if( use_ret == -(MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED) )
831 mbedtls_snprintf( buf, buflen, "PADLOCK - Input data should be aligned" );
832#endif /* MBEDTLS_PADLOCK_C */
833
834#if defined(MBEDTLS_PLATFORM_C)
835 if( use_ret == -(MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED) )
836 mbedtls_snprintf( buf, buflen, "PLATFORM - Hardware accelerator failed" );
837 if( use_ret == -(MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED) )
838 mbedtls_snprintf( buf, buflen, "PLATFORM - The requested feature is not supported by the platform" );
839#endif /* MBEDTLS_PLATFORM_C */
840
841#if defined(MBEDTLS_POLY1305_C)
842 if( use_ret == -(MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA) )
843 mbedtls_snprintf( buf, buflen, "POLY1305 - Invalid input parameter(s)" );
844 if( use_ret == -(MBEDTLS_ERR_POLY1305_FEATURE_UNAVAILABLE) )
845 mbedtls_snprintf( buf, buflen, "POLY1305 - Feature not available. For example, s part of the API is not implemented" );
846 if( use_ret == -(MBEDTLS_ERR_POLY1305_HW_ACCEL_FAILED) )
847 mbedtls_snprintf( buf, buflen, "POLY1305 - Poly1305 hardware accelerator failed" );
848#endif /* MBEDTLS_POLY1305_C */
849
850#if defined(MBEDTLS_RIPEMD160_C)
851 if( use_ret == -(MBEDTLS_ERR_RIPEMD160_HW_ACCEL_FAILED) )
852 mbedtls_snprintf( buf, buflen, "RIPEMD160 - RIPEMD160 hardware accelerator failed" );
853#endif /* MBEDTLS_RIPEMD160_C */
854
855#if defined(MBEDTLS_SHA1_C)
856 if( use_ret == -(MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED) )
857 mbedtls_snprintf( buf, buflen, "SHA1 - SHA-1 hardware accelerator failed" );
858 if( use_ret == -(MBEDTLS_ERR_SHA1_BAD_INPUT_DATA) )
859 mbedtls_snprintf( buf, buflen, "SHA1 - SHA-1 input data was malformed" );
860#endif /* MBEDTLS_SHA1_C */
861
862#if defined(MBEDTLS_SHA256_C)
863 if( use_ret == -(MBEDTLS_ERR_SHA256_HW_ACCEL_FAILED) )
864 mbedtls_snprintf( buf, buflen, "SHA256 - SHA-256 hardware accelerator failed" );
865 if( use_ret == -(MBEDTLS_ERR_SHA256_BAD_INPUT_DATA) )
866 mbedtls_snprintf( buf, buflen, "SHA256 - SHA-256 input data was malformed" );
867#endif /* MBEDTLS_SHA256_C */
868
869#if defined(MBEDTLS_SHA512_C)
870 if( use_ret == -(MBEDTLS_ERR_SHA512_HW_ACCEL_FAILED) )
871 mbedtls_snprintf( buf, buflen, "SHA512 - SHA-512 hardware accelerator failed" );
872 if( use_ret == -(MBEDTLS_ERR_SHA512_BAD_INPUT_DATA) )
873 mbedtls_snprintf( buf, buflen, "SHA512 - SHA-512 input data was malformed" );
874#endif /* MBEDTLS_SHA512_C */
875
876#if defined(MBEDTLS_THREADING_C)
877 if( use_ret == -(MBEDTLS_ERR_THREADING_FEATURE_UNAVAILABLE) )
878 mbedtls_snprintf( buf, buflen, "THREADING - The selected feature is not available" );
879 if( use_ret == -(MBEDTLS_ERR_THREADING_BAD_INPUT_DATA) )
880 mbedtls_snprintf( buf, buflen, "THREADING - Bad input parameters to function" );
881 if( use_ret == -(MBEDTLS_ERR_THREADING_MUTEX_ERROR) )
882 mbedtls_snprintf( buf, buflen, "THREADING - Locking / unlocking / free failed with error code" );
883#endif /* MBEDTLS_THREADING_C */
884
885#if defined(MBEDTLS_XTEA_C)
886 if( use_ret == -(MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH) )
887 mbedtls_snprintf( buf, buflen, "XTEA - The data input has an invalid length" );
888 if( use_ret == -(MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED) )
889 mbedtls_snprintf( buf, buflen, "XTEA - XTEA hardware accelerator failed" );
890#endif /* MBEDTLS_XTEA_C */
891 // END generated code
892
893 if( strlen( buf ) != 0 )
894 return;
895
896 mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret );
897}
898
899#else /* MBEDTLS_ERROR_C */
900
901#if defined(MBEDTLS_ERROR_STRERROR_DUMMY)
902
903/*
904 * Provide an non-function in case MBEDTLS_ERROR_C is not defined
905 */
906void mbedtls_strerror( int ret, char *buf, size_t buflen )
907{
908 ((void) ret);
909
910 if( buflen > 0 )
911 buf[0] = '\0';
912}
913
914#endif /* MBEDTLS_ERROR_STRERROR_DUMMY */
915
916#endif /* MBEDTLS_ERROR_C */
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