1 /* 2 * Error message information 3 * 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved 5 * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later 6 * 7 * This file is provided under the Apache License 2.0, or the 8 * GNU General Public License v2.0 or later. 9 * 10 * ********** 11 * Apache License 2.0: 12 * 13 * Licensed under the Apache License, Version 2.0 (the "License"); you may 14 * not use this file except in compliance with the License. 15 * You may obtain a copy of the License at 16 * 17 * http://www.apache.org/licenses/LICENSE-2.0 18 * 19 * Unless required by applicable law or agreed to in writing, software 20 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 21 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 22 * See the License for the specific language governing permissions and 23 * limitations under the License. 24 * 25 * ********** 26 * 27 * ********** 28 * GNU General Public License v2.0 or later: 29 * 30 * This program is free software; you can redistribute it and/or modify 31 * it under the terms of the GNU General Public License as published by 32 * the Free Software Foundation; either version 2 of the License, or 33 * (at your option) any later version. 34 * 35 * This program is distributed in the hope that it will be useful, 36 * but WITHOUT ANY WARRANTY; without even the implied warranty of 37 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 38 * GNU General Public License for more details. 39 * 40 * You should have received a copy of the GNU General Public License along 41 * with this program; if not, write to the Free Software Foundation, Inc., 42 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 43 * 44 * ********** 45 * 46 * This file is part of mbed TLS (https://tls.mbed.org) 47 */ 48 49 #if !defined(MBEDTLS_CONFIG_FILE) 50 #include "mbedtls/config.h" 51 #else 52 #include MBEDTLS_CONFIG_FILE 53 #endif 54 55 #if defined(MBEDTLS_ERROR_C) || defined(MBEDTLS_ERROR_STRERROR_DUMMY) 56 #include "mbedtls/error.h" 57 #include <string.h> 58 #endif 59 60 #if defined(MBEDTLS_PLATFORM_C) 61 #include "mbedtls/platform.h" 62 #else 63 #define mbedtls_snprintf snprintf 64 #define mbedtls_time_t time_t 65 #endif 66 67 #if defined(MBEDTLS_ERROR_C) 68 69 #include <stdio.h> 70 71 #if defined(MBEDTLS_AES_C) 72 #include "mbedtls/aes.h" 73 #endif 74 75 #if defined(MBEDTLS_ARC4_C) 76 #include "mbedtls/arc4.h" 77 #endif 78 79 #if defined(MBEDTLS_ASN1_PARSE_C) 80 #include "mbedtls/asn1.h" 81 #endif 82 83 #if defined(MBEDTLS_BASE64_C) 84 #include "mbedtls/base64.h" 85 #endif 86 87 #if defined(MBEDTLS_BIGNUM_C) 88 #include "mbedtls/bignum.h" 89 #endif 90 91 #if defined(MBEDTLS_BLOWFISH_C) 92 #include "mbedtls/blowfish.h" 93 #endif 94 95 #if defined(MBEDTLS_CAMELLIA_C) 96 #include "mbedtls/camellia.h" 97 #endif 98 99 #if defined(MBEDTLS_CCM_C) 100 #include "mbedtls/ccm.h" 101 #endif 102 103 #if defined(MBEDTLS_CIPHER_C) 104 #include "mbedtls/cipher.h" 105 #endif 106 107 #if defined(MBEDTLS_CMAC_C) 108 #include "mbedtls/cmac.h" 109 #endif 110 111 #if defined(MBEDTLS_CTR_DRBG_C) 112 #include "mbedtls/ctr_drbg.h" 113 #endif 114 115 #if defined(MBEDTLS_DES_C) 116 #include "mbedtls/des.h" 117 #endif 118 119 #if defined(MBEDTLS_DHM_C) 120 #include "mbedtls/dhm.h" 121 #endif 122 123 #if defined(MBEDTLS_ECP_C) 124 #include "mbedtls/ecp.h" 125 #endif 126 127 #if defined(MBEDTLS_ENTROPY_C) 128 #include "mbedtls/entropy.h" 129 #endif 130 131 #if defined(MBEDTLS_GCM_C) 132 #include "mbedtls/gcm.h" 133 #endif 134 135 #if defined(MBEDTLS_HMAC_DRBG_C) 136 #include "mbedtls/hmac_drbg.h" 137 #endif 138 139 #if defined(MBEDTLS_MD_C) 140 #include "mbedtls/md.h" 141 #endif 142 143 #if defined(MBEDTLS_MD2_C) 144 #include "mbedtls/md2.h" 145 #endif 146 147 #if defined(MBEDTLS_MD4_C) 148 #include "mbedtls/md4.h" 149 #endif 150 151 #if defined(MBEDTLS_MD5_C) 152 #include "mbedtls/md5.h" 153 #endif 154 155 #if defined(MBEDTLS_NET_C) 156 #include "mbedtls/net_sockets.h" 157 #endif 158 159 #if defined(MBEDTLS_OID_C) 160 #include "mbedtls/oid.h" 161 #endif 162 163 #if defined(MBEDTLS_PADLOCK_C) 164 #include "mbedtls/padlock.h" 165 #endif 166 167 #if defined(MBEDTLS_PEM_PARSE_C) || defined(MBEDTLS_PEM_WRITE_C) 168 #include "mbedtls/pem.h" 169 #endif 170 171 #if defined(MBEDTLS_PK_C) 172 #include "mbedtls/pk.h" 173 #endif 174 175 #if defined(MBEDTLS_PKCS12_C) 176 #include "mbedtls/pkcs12.h" 177 #endif 178 179 #if defined(MBEDTLS_PKCS5_C) 180 #include "mbedtls/pkcs5.h" 181 #endif 182 183 #if defined(MBEDTLS_RIPEMD160_C) 184 #include "mbedtls/ripemd160.h" 185 #endif 186 187 #if defined(MBEDTLS_RSA_C) 188 #include "mbedtls/rsa.h" 189 #endif 190 191 #if defined(MBEDTLS_SHA1_C) 192 #include "mbedtls/sha1.h" 193 #endif 194 195 #if defined(MBEDTLS_SHA256_C) 196 #include "mbedtls/sha256.h" 197 #endif 198 199 #if defined(MBEDTLS_SHA512_C) 200 #include "mbedtls/sha512.h" 201 #endif 202 203 #if defined(MBEDTLS_SSL_TLS_C) 204 #include "mbedtls/ssl.h" 205 #endif 206 207 #if defined(MBEDTLS_THREADING_C) 208 #include "mbedtls/threading.h" 209 #endif 210 211 #if defined(MBEDTLS_X509_USE_C) || defined(MBEDTLS_X509_CREATE_C) 212 #include "mbedtls/x509.h" 213 #endif 214 215 #if defined(MBEDTLS_XTEA_C) 216 #include "mbedtls/xtea.h" 217 #endif 218 219 220 void mbedtls_strerror( int ret, char *buf, size_t buflen ) 221 { 222 size_t len; 223 int use_ret; 224 225 if( buflen == 0 ) 226 return; 227 228 memset( buf, 0x00, buflen ); 229 230 if( ret < 0 ) 231 ret = -ret; 232 233 if( ret & 0xFF80 ) 234 { 235 use_ret = ret & 0xFF80; 236 237 // High level error codes 238 // 239 // BEGIN generated code 240 #if defined(MBEDTLS_CIPHER_C) 241 if( use_ret == -(MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE) ) 242 mbedtls_snprintf( buf, buflen, "CIPHER - The selected feature is not available" ); 243 if( use_ret == -(MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA) ) 244 mbedtls_snprintf( buf, buflen, "CIPHER - Bad input parameters" ); 245 if( use_ret == -(MBEDTLS_ERR_CIPHER_ALLOC_FAILED) ) 246 mbedtls_snprintf( buf, buflen, "CIPHER - Failed to allocate memory" ); 247 if( use_ret == -(MBEDTLS_ERR_CIPHER_INVALID_PADDING) ) 248 mbedtls_snprintf( buf, buflen, "CIPHER - Input data contains invalid padding and is rejected" ); 249 if( use_ret == -(MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED) ) 250 mbedtls_snprintf( buf, buflen, "CIPHER - Decryption of block requires a full block" ); 251 if( use_ret == -(MBEDTLS_ERR_CIPHER_AUTH_FAILED) ) 252 mbedtls_snprintf( buf, buflen, "CIPHER - Authentication failed (for AEAD modes)" ); 253 if( use_ret == -(MBEDTLS_ERR_CIPHER_INVALID_CONTEXT) ) 254 mbedtls_snprintf( buf, buflen, "CIPHER - The context is invalid. For example, because it was freed" ); 255 if( use_ret == -(MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED) ) 256 mbedtls_snprintf( buf, buflen, "CIPHER - Cipher hardware accelerator failed" ); 257 #endif /* MBEDTLS_CIPHER_C */ 258 259 #if defined(MBEDTLS_DHM_C) 260 if( use_ret == -(MBEDTLS_ERR_DHM_BAD_INPUT_DATA) ) 261 mbedtls_snprintf( buf, buflen, "DHM - Bad input parameters" ); 262 if( use_ret == -(MBEDTLS_ERR_DHM_READ_PARAMS_FAILED) ) 263 mbedtls_snprintf( buf, buflen, "DHM - Reading of the DHM parameters failed" ); 264 if( use_ret == -(MBEDTLS_ERR_DHM_MAKE_PARAMS_FAILED) ) 265 mbedtls_snprintf( buf, buflen, "DHM - Making of the DHM parameters failed" ); 266 if( use_ret == -(MBEDTLS_ERR_DHM_READ_PUBLIC_FAILED) ) 267 mbedtls_snprintf( buf, buflen, "DHM - Reading of the public values failed" ); 268 if( use_ret == -(MBEDTLS_ERR_DHM_MAKE_PUBLIC_FAILED) ) 269 mbedtls_snprintf( buf, buflen, "DHM - Making of the public value failed" ); 270 if( use_ret == -(MBEDTLS_ERR_DHM_CALC_SECRET_FAILED) ) 271 mbedtls_snprintf( buf, buflen, "DHM - Calculation of the DHM secret failed" ); 272 if( use_ret == -(MBEDTLS_ERR_DHM_INVALID_FORMAT) ) 273 mbedtls_snprintf( buf, buflen, "DHM - The ASN.1 data is not formatted correctly" ); 274 if( use_ret == -(MBEDTLS_ERR_DHM_ALLOC_FAILED) ) 275 mbedtls_snprintf( buf, buflen, "DHM - Allocation of memory failed" ); 276 if( use_ret == -(MBEDTLS_ERR_DHM_FILE_IO_ERROR) ) 277 mbedtls_snprintf( buf, buflen, "DHM - Read or write of file failed" ); 278 if( use_ret == -(MBEDTLS_ERR_DHM_HW_ACCEL_FAILED) ) 279 mbedtls_snprintf( buf, buflen, "DHM - DHM hardware accelerator failed" ); 280 if( use_ret == -(MBEDTLS_ERR_DHM_SET_GROUP_FAILED) ) 281 mbedtls_snprintf( buf, buflen, "DHM - Setting the modulus and generator failed" ); 282 #endif /* MBEDTLS_DHM_C */ 283 284 #if defined(MBEDTLS_ECP_C) 285 if( use_ret == -(MBEDTLS_ERR_ECP_BAD_INPUT_DATA) ) 286 mbedtls_snprintf( buf, buflen, "ECP - Bad input parameters to function" ); 287 if( use_ret == -(MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL) ) 288 mbedtls_snprintf( buf, buflen, "ECP - The buffer is too small to write to" ); 289 if( use_ret == -(MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE) ) 290 mbedtls_snprintf( buf, buflen, "ECP - Requested curve not available" ); 291 if( use_ret == -(MBEDTLS_ERR_ECP_VERIFY_FAILED) ) 292 mbedtls_snprintf( buf, buflen, "ECP - The signature is not valid" ); 293 if( use_ret == -(MBEDTLS_ERR_ECP_ALLOC_FAILED) ) 294 mbedtls_snprintf( buf, buflen, "ECP - Memory allocation failed" ); 295 if( use_ret == -(MBEDTLS_ERR_ECP_RANDOM_FAILED) ) 296 mbedtls_snprintf( buf, buflen, "ECP - Generation of random value, such as (ephemeral) key, failed" ); 297 if( use_ret == -(MBEDTLS_ERR_ECP_INVALID_KEY) ) 298 mbedtls_snprintf( buf, buflen, "ECP - Invalid private or public key" ); 299 if( use_ret == -(MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH) ) 300 mbedtls_snprintf( buf, buflen, "ECP - The buffer contains a valid signature followed by more data" ); 301 if( use_ret == -(MBEDTLS_ERR_ECP_HW_ACCEL_FAILED) ) 302 mbedtls_snprintf( buf, buflen, "ECP - ECP hardware accelerator failed" ); 303 #endif /* MBEDTLS_ECP_C */ 304 305 #if defined(MBEDTLS_MD_C) 306 if( use_ret == -(MBEDTLS_ERR_MD_FEATURE_UNAVAILABLE) ) 307 mbedtls_snprintf( buf, buflen, "MD - The selected feature is not available" ); 308 if( use_ret == -(MBEDTLS_ERR_MD_BAD_INPUT_DATA) ) 309 mbedtls_snprintf( buf, buflen, "MD - Bad input parameters to function" ); 310 if( use_ret == -(MBEDTLS_ERR_MD_ALLOC_FAILED) ) 311 mbedtls_snprintf( buf, buflen, "MD - Failed to allocate memory" ); 312 if( use_ret == -(MBEDTLS_ERR_MD_FILE_IO_ERROR) ) 313 mbedtls_snprintf( buf, buflen, "MD - Opening or reading of file failed" ); 314 if( use_ret == -(MBEDTLS_ERR_MD_HW_ACCEL_FAILED) ) 315 mbedtls_snprintf( buf, buflen, "MD - MD hardware accelerator failed" ); 316 #endif /* MBEDTLS_MD_C */ 317 318 #if defined(MBEDTLS_PEM_PARSE_C) || defined(MBEDTLS_PEM_WRITE_C) 319 if( use_ret == -(MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT) ) 320 mbedtls_snprintf( buf, buflen, "PEM - No PEM header or footer found" ); 321 if( use_ret == -(MBEDTLS_ERR_PEM_INVALID_DATA) ) 322 mbedtls_snprintf( buf, buflen, "PEM - PEM string is not as expected" ); 323 if( use_ret == -(MBEDTLS_ERR_PEM_ALLOC_FAILED) ) 324 mbedtls_snprintf( buf, buflen, "PEM - Failed to allocate memory" ); 325 if( use_ret == -(MBEDTLS_ERR_PEM_INVALID_ENC_IV) ) 326 mbedtls_snprintf( buf, buflen, "PEM - RSA IV is not in hex-format" ); 327 if( use_ret == -(MBEDTLS_ERR_PEM_UNKNOWN_ENC_ALG) ) 328 mbedtls_snprintf( buf, buflen, "PEM - Unsupported key encryption algorithm" ); 329 if( use_ret == -(MBEDTLS_ERR_PEM_PASSWORD_REQUIRED) ) 330 mbedtls_snprintf( buf, buflen, "PEM - Private key password can't be empty" ); 331 if( use_ret == -(MBEDTLS_ERR_PEM_PASSWORD_MISMATCH) ) 332 mbedtls_snprintf( buf, buflen, "PEM - Given private key password does not allow for correct decryption" ); 333 if( use_ret == -(MBEDTLS_ERR_PEM_FEATURE_UNAVAILABLE) ) 334 mbedtls_snprintf( buf, buflen, "PEM - Unavailable feature, e.g. hashing/encryption combination" ); 335 if( use_ret == -(MBEDTLS_ERR_PEM_BAD_INPUT_DATA) ) 336 mbedtls_snprintf( buf, buflen, "PEM - Bad input parameters to function" ); 337 #endif /* MBEDTLS_PEM_PARSE_C || MBEDTLS_PEM_WRITE_C */ 338 339 #if defined(MBEDTLS_PK_C) 340 if( use_ret == -(MBEDTLS_ERR_PK_ALLOC_FAILED) ) 341 mbedtls_snprintf( buf, buflen, "PK - Memory allocation failed" ); 342 if( use_ret == -(MBEDTLS_ERR_PK_TYPE_MISMATCH) ) 343 mbedtls_snprintf( buf, buflen, "PK - Type mismatch, eg attempt to encrypt with an ECDSA key" ); 344 if( use_ret == -(MBEDTLS_ERR_PK_BAD_INPUT_DATA) ) 345 mbedtls_snprintf( buf, buflen, "PK - Bad input parameters to function" ); 346 if( use_ret == -(MBEDTLS_ERR_PK_FILE_IO_ERROR) ) 347 mbedtls_snprintf( buf, buflen, "PK - Read/write of file failed" ); 348 if( use_ret == -(MBEDTLS_ERR_PK_KEY_INVALID_VERSION) ) 349 mbedtls_snprintf( buf, buflen, "PK - Unsupported key version" ); 350 if( use_ret == -(MBEDTLS_ERR_PK_KEY_INVALID_FORMAT) ) 351 mbedtls_snprintf( buf, buflen, "PK - Invalid key tag or value" ); 352 if( use_ret == -(MBEDTLS_ERR_PK_UNKNOWN_PK_ALG) ) 353 mbedtls_snprintf( buf, buflen, "PK - Key algorithm is unsupported (only RSA and EC are supported)" ); 354 if( use_ret == -(MBEDTLS_ERR_PK_PASSWORD_REQUIRED) ) 355 mbedtls_snprintf( buf, buflen, "PK - Private key password can't be empty" ); 356 if( use_ret == -(MBEDTLS_ERR_PK_PASSWORD_MISMATCH) ) 357 mbedtls_snprintf( buf, buflen, "PK - Given private key password does not allow for correct decryption" ); 358 if( use_ret == -(MBEDTLS_ERR_PK_INVALID_PUBKEY) ) 359 mbedtls_snprintf( buf, buflen, "PK - The pubkey tag or value is invalid (only RSA and EC are supported)" ); 360 if( use_ret == -(MBEDTLS_ERR_PK_INVALID_ALG) ) 361 mbedtls_snprintf( buf, buflen, "PK - The algorithm tag or value is invalid" ); 362 if( use_ret == -(MBEDTLS_ERR_PK_UNKNOWN_NAMED_CURVE) ) 363 mbedtls_snprintf( buf, buflen, "PK - Elliptic curve is unsupported (only NIST curves are supported)" ); 364 if( use_ret == -(MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE) ) 365 mbedtls_snprintf( buf, buflen, "PK - Unavailable feature, e.g. RSA disabled for RSA key" ); 366 if( use_ret == -(MBEDTLS_ERR_PK_SIG_LEN_MISMATCH) ) 367 mbedtls_snprintf( buf, buflen, "PK - The buffer contains a valid signature followed by more data" ); 368 if( use_ret == -(MBEDTLS_ERR_PK_HW_ACCEL_FAILED) ) 369 mbedtls_snprintf( buf, buflen, "PK - PK hardware accelerator failed" ); 370 #endif /* MBEDTLS_PK_C */ 371 372 #if defined(MBEDTLS_PKCS12_C) 373 if( use_ret == -(MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA) ) 374 mbedtls_snprintf( buf, buflen, "PKCS12 - Bad input parameters to function" ); 375 if( use_ret == -(MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE) ) 376 mbedtls_snprintf( buf, buflen, "PKCS12 - Feature not available, e.g. unsupported encryption scheme" ); 377 if( use_ret == -(MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT) ) 378 mbedtls_snprintf( buf, buflen, "PKCS12 - PBE ASN.1 data not as expected" ); 379 if( use_ret == -(MBEDTLS_ERR_PKCS12_PASSWORD_MISMATCH) ) 380 mbedtls_snprintf( buf, buflen, "PKCS12 - Given private key password does not allow for correct decryption" ); 381 #endif /* MBEDTLS_PKCS12_C */ 382 383 #if defined(MBEDTLS_PKCS5_C) 384 if( use_ret == -(MBEDTLS_ERR_PKCS5_BAD_INPUT_DATA) ) 385 mbedtls_snprintf( buf, buflen, "PKCS5 - Bad input parameters to function" ); 386 if( use_ret == -(MBEDTLS_ERR_PKCS5_INVALID_FORMAT) ) 387 mbedtls_snprintf( buf, buflen, "PKCS5 - Unexpected ASN.1 data" ); 388 if( use_ret == -(MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE) ) 389 mbedtls_snprintf( buf, buflen, "PKCS5 - Requested encryption or digest alg not available" ); 390 if( use_ret == -(MBEDTLS_ERR_PKCS5_PASSWORD_MISMATCH) ) 391 mbedtls_snprintf( buf, buflen, "PKCS5 - Given private key password does not allow for correct decryption" ); 392 #endif /* MBEDTLS_PKCS5_C */ 393 394 #if defined(MBEDTLS_RSA_C) 395 if( use_ret == -(MBEDTLS_ERR_RSA_BAD_INPUT_DATA) ) 396 mbedtls_snprintf( buf, buflen, "RSA - Bad input parameters to function" ); 397 if( use_ret == -(MBEDTLS_ERR_RSA_INVALID_PADDING) ) 398 mbedtls_snprintf( buf, buflen, "RSA - Input data contains invalid padding and is rejected" ); 399 if( use_ret == -(MBEDTLS_ERR_RSA_KEY_GEN_FAILED) ) 400 mbedtls_snprintf( buf, buflen, "RSA - Something failed during generation of a key" ); 401 if( use_ret == -(MBEDTLS_ERR_RSA_KEY_CHECK_FAILED) ) 402 mbedtls_snprintf( buf, buflen, "RSA - Key failed to pass the validity check of the library" ); 403 if( use_ret == -(MBEDTLS_ERR_RSA_PUBLIC_FAILED) ) 404 mbedtls_snprintf( buf, buflen, "RSA - The public key operation failed" ); 405 if( use_ret == -(MBEDTLS_ERR_RSA_PRIVATE_FAILED) ) 406 mbedtls_snprintf( buf, buflen, "RSA - The private key operation failed" ); 407 if( use_ret == -(MBEDTLS_ERR_RSA_VERIFY_FAILED) ) 408 mbedtls_snprintf( buf, buflen, "RSA - The PKCS#1 verification failed" ); 409 if( use_ret == -(MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE) ) 410 mbedtls_snprintf( buf, buflen, "RSA - The output buffer for decryption is not large enough" ); 411 if( use_ret == -(MBEDTLS_ERR_RSA_RNG_FAILED) ) 412 mbedtls_snprintf( buf, buflen, "RSA - The random generator failed to generate non-zeros" ); 413 if( use_ret == -(MBEDTLS_ERR_RSA_UNSUPPORTED_OPERATION) ) 414 mbedtls_snprintf( buf, buflen, "RSA - The implementation does not offer the requested operation, for example, because of security violations or lack of functionality" ); 415 if( use_ret == -(MBEDTLS_ERR_RSA_HW_ACCEL_FAILED) ) 416 mbedtls_snprintf( buf, buflen, "RSA - RSA hardware accelerator failed" ); 417 #endif /* MBEDTLS_RSA_C */ 418 419 #if defined(MBEDTLS_SSL_TLS_C) 420 if( use_ret == -(MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE) ) 421 mbedtls_snprintf( buf, buflen, "SSL - The requested feature is not available" ); 422 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_INPUT_DATA) ) 423 mbedtls_snprintf( buf, buflen, "SSL - Bad input parameters to function" ); 424 if( use_ret == -(MBEDTLS_ERR_SSL_INVALID_MAC) ) 425 mbedtls_snprintf( buf, buflen, "SSL - Verification of the message MAC failed" ); 426 if( use_ret == -(MBEDTLS_ERR_SSL_INVALID_RECORD) ) 427 mbedtls_snprintf( buf, buflen, "SSL - An invalid SSL record was received" ); 428 if( use_ret == -(MBEDTLS_ERR_SSL_CONN_EOF) ) 429 mbedtls_snprintf( buf, buflen, "SSL - The connection indicated an EOF" ); 430 if( use_ret == -(MBEDTLS_ERR_SSL_UNKNOWN_CIPHER) ) 431 mbedtls_snprintf( buf, buflen, "SSL - An unknown cipher was received" ); 432 if( use_ret == -(MBEDTLS_ERR_SSL_NO_CIPHER_CHOSEN) ) 433 mbedtls_snprintf( buf, buflen, "SSL - The server has no ciphersuites in common with the client" ); 434 if( use_ret == -(MBEDTLS_ERR_SSL_NO_RNG) ) 435 mbedtls_snprintf( buf, buflen, "SSL - No RNG was provided to the SSL module" ); 436 if( use_ret == -(MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE) ) 437 mbedtls_snprintf( buf, buflen, "SSL - No client certification received from the client, but required by the authentication mode" ); 438 if( use_ret == -(MBEDTLS_ERR_SSL_CERTIFICATE_TOO_LARGE) ) 439 mbedtls_snprintf( buf, buflen, "SSL - Our own certificate(s) is/are too large to send in an SSL message" ); 440 if( use_ret == -(MBEDTLS_ERR_SSL_CERTIFICATE_REQUIRED) ) 441 mbedtls_snprintf( buf, buflen, "SSL - The own certificate is not set, but needed by the server" ); 442 if( use_ret == -(MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED) ) 443 mbedtls_snprintf( buf, buflen, "SSL - The own private key or pre-shared key is not set, but needed" ); 444 if( use_ret == -(MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED) ) 445 mbedtls_snprintf( buf, buflen, "SSL - No CA Chain is set, but required to operate" ); 446 if( use_ret == -(MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE) ) 447 mbedtls_snprintf( buf, buflen, "SSL - An unexpected message was received from our peer" ); 448 if( use_ret == -(MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE) ) 449 { 450 mbedtls_snprintf( buf, buflen, "SSL - A fatal alert message was received from our peer" ); 451 return; 452 } 453 if( use_ret == -(MBEDTLS_ERR_SSL_PEER_VERIFY_FAILED) ) 454 mbedtls_snprintf( buf, buflen, "SSL - Verification of our peer failed" ); 455 if( use_ret == -(MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY) ) 456 mbedtls_snprintf( buf, buflen, "SSL - The peer notified us that the connection is going to be closed" ); 457 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO) ) 458 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientHello handshake message failed" ); 459 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO) ) 460 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ServerHello handshake message failed" ); 461 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE) ) 462 mbedtls_snprintf( buf, buflen, "SSL - Processing of the Certificate handshake message failed" ); 463 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST) ) 464 mbedtls_snprintf( buf, buflen, "SSL - Processing of the CertificateRequest handshake message failed" ); 465 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE) ) 466 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ServerKeyExchange handshake message failed" ); 467 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO_DONE) ) 468 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ServerHelloDone handshake message failed" ); 469 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE) ) 470 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed" ); 471 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP) ) 472 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Read Public" ); 473 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_CS) ) 474 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Calculate Secret" ); 475 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY) ) 476 mbedtls_snprintf( buf, buflen, "SSL - Processing of the CertificateVerify handshake message failed" ); 477 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CHANGE_CIPHER_SPEC) ) 478 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ChangeCipherSpec handshake message failed" ); 479 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_FINISHED) ) 480 mbedtls_snprintf( buf, buflen, "SSL - Processing of the Finished handshake message failed" ); 481 if( use_ret == -(MBEDTLS_ERR_SSL_ALLOC_FAILED) ) 482 mbedtls_snprintf( buf, buflen, "SSL - Memory allocation failed" ); 483 if( use_ret == -(MBEDTLS_ERR_SSL_HW_ACCEL_FAILED) ) 484 mbedtls_snprintf( buf, buflen, "SSL - Hardware acceleration function returned with error" ); 485 if( use_ret == -(MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH) ) 486 mbedtls_snprintf( buf, buflen, "SSL - Hardware acceleration function skipped / left alone data" ); 487 if( use_ret == -(MBEDTLS_ERR_SSL_COMPRESSION_FAILED) ) 488 mbedtls_snprintf( buf, buflen, "SSL - Processing of the compression / decompression failed" ); 489 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION) ) 490 mbedtls_snprintf( buf, buflen, "SSL - Handshake protocol not within min/max boundaries" ); 491 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET) ) 492 mbedtls_snprintf( buf, buflen, "SSL - Processing of the NewSessionTicket handshake message failed" ); 493 if( use_ret == -(MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED) ) 494 mbedtls_snprintf( buf, buflen, "SSL - Session ticket has expired" ); 495 if( use_ret == -(MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH) ) 496 mbedtls_snprintf( buf, buflen, "SSL - Public key type mismatch (eg, asked for RSA key exchange and presented EC key)" ); 497 if( use_ret == -(MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY) ) 498 mbedtls_snprintf( buf, buflen, "SSL - Unknown identity received (eg, PSK identity)" ); 499 if( use_ret == -(MBEDTLS_ERR_SSL_INTERNAL_ERROR) ) 500 mbedtls_snprintf( buf, buflen, "SSL - Internal error (eg, unexpected failure in lower-level module)" ); 501 if( use_ret == -(MBEDTLS_ERR_SSL_COUNTER_WRAPPING) ) 502 mbedtls_snprintf( buf, buflen, "SSL - A counter would wrap (eg, too many messages exchanged)" ); 503 if( use_ret == -(MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO) ) 504 mbedtls_snprintf( buf, buflen, "SSL - Unexpected message at ServerHello in renegotiation" ); 505 if( use_ret == -(MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED) ) 506 mbedtls_snprintf( buf, buflen, "SSL - DTLS client must retry for hello verification" ); 507 if( use_ret == -(MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL) ) 508 mbedtls_snprintf( buf, buflen, "SSL - A buffer is too small to receive or write a message" ); 509 if( use_ret == -(MBEDTLS_ERR_SSL_NO_USABLE_CIPHERSUITE) ) 510 mbedtls_snprintf( buf, buflen, "SSL - None of the common ciphersuites is usable (eg, no suitable certificate, see debug messages)" ); 511 if( use_ret == -(MBEDTLS_ERR_SSL_WANT_READ) ) 512 mbedtls_snprintf( buf, buflen, "SSL - Connection requires a read call" ); 513 if( use_ret == -(MBEDTLS_ERR_SSL_WANT_WRITE) ) 514 mbedtls_snprintf( buf, buflen, "SSL - Connection requires a write call" ); 515 if( use_ret == -(MBEDTLS_ERR_SSL_TIMEOUT) ) 516 mbedtls_snprintf( buf, buflen, "SSL - The operation timed out" ); 517 if( use_ret == -(MBEDTLS_ERR_SSL_CLIENT_RECONNECT) ) 518 mbedtls_snprintf( buf, buflen, "SSL - The client initiated a reconnect from the same port" ); 519 if( use_ret == -(MBEDTLS_ERR_SSL_UNEXPECTED_RECORD) ) 520 mbedtls_snprintf( buf, buflen, "SSL - Record header looks valid but is not expected" ); 521 if( use_ret == -(MBEDTLS_ERR_SSL_NON_FATAL) ) 522 mbedtls_snprintf( buf, buflen, "SSL - The alert message received indicates a non-fatal error" ); 523 if( use_ret == -(MBEDTLS_ERR_SSL_INVALID_VERIFY_HASH) ) 524 mbedtls_snprintf( buf, buflen, "SSL - Couldn't set the hash for verifying CertificateVerify" ); 525 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_CONFIG) ) 526 mbedtls_snprintf( buf, buflen, "SSL - Invalid value in SSL config" ); 527 #endif /* MBEDTLS_SSL_TLS_C */ 528 529 #if defined(MBEDTLS_X509_USE_C) || defined(MBEDTLS_X509_CREATE_C) 530 if( use_ret == -(MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE) ) 531 mbedtls_snprintf( buf, buflen, "X509 - Unavailable feature, e.g. RSA hashing/encryption combination" ); 532 if( use_ret == -(MBEDTLS_ERR_X509_UNKNOWN_OID) ) 533 mbedtls_snprintf( buf, buflen, "X509 - Requested OID is unknown" ); 534 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_FORMAT) ) 535 mbedtls_snprintf( buf, buflen, "X509 - The CRT/CRL/CSR format is invalid, e.g. different type expected" ); 536 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_VERSION) ) 537 mbedtls_snprintf( buf, buflen, "X509 - The CRT/CRL/CSR version element is invalid" ); 538 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_SERIAL) ) 539 mbedtls_snprintf( buf, buflen, "X509 - The serial tag or value is invalid" ); 540 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_ALG) ) 541 mbedtls_snprintf( buf, buflen, "X509 - The algorithm tag or value is invalid" ); 542 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_NAME) ) 543 mbedtls_snprintf( buf, buflen, "X509 - The name tag or value is invalid" ); 544 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_DATE) ) 545 mbedtls_snprintf( buf, buflen, "X509 - The date tag or value is invalid" ); 546 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_SIGNATURE) ) 547 mbedtls_snprintf( buf, buflen, "X509 - The signature tag or value invalid" ); 548 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_EXTENSIONS) ) 549 mbedtls_snprintf( buf, buflen, "X509 - The extension tag or value is invalid" ); 550 if( use_ret == -(MBEDTLS_ERR_X509_UNKNOWN_VERSION) ) 551 mbedtls_snprintf( buf, buflen, "X509 - CRT/CRL/CSR has an unsupported version number" ); 552 if( use_ret == -(MBEDTLS_ERR_X509_UNKNOWN_SIG_ALG) ) 553 mbedtls_snprintf( buf, buflen, "X509 - Signature algorithm (oid) is unsupported" ); 554 if( use_ret == -(MBEDTLS_ERR_X509_SIG_MISMATCH) ) 555 mbedtls_snprintf( buf, buflen, "X509 - Signature algorithms do not match. (see \\c ::mbedtls_x509_crt sig_oid)" ); 556 if( use_ret == -(MBEDTLS_ERR_X509_CERT_VERIFY_FAILED) ) 557 mbedtls_snprintf( buf, buflen, "X509 - Certificate verification failed, e.g. CRL, CA or signature check failed" ); 558 if( use_ret == -(MBEDTLS_ERR_X509_CERT_UNKNOWN_FORMAT) ) 559 mbedtls_snprintf( buf, buflen, "X509 - Format not recognized as DER or PEM" ); 560 if( use_ret == -(MBEDTLS_ERR_X509_BAD_INPUT_DATA) ) 561 mbedtls_snprintf( buf, buflen, "X509 - Input invalid" ); 562 if( use_ret == -(MBEDTLS_ERR_X509_ALLOC_FAILED) ) 563 mbedtls_snprintf( buf, buflen, "X509 - Allocation of memory failed" ); 564 if( use_ret == -(MBEDTLS_ERR_X509_FILE_IO_ERROR) ) 565 mbedtls_snprintf( buf, buflen, "X509 - Read/write of file failed" ); 566 if( use_ret == -(MBEDTLS_ERR_X509_BUFFER_TOO_SMALL) ) 567 mbedtls_snprintf( buf, buflen, "X509 - Destination buffer is too small" ); 568 if( use_ret == -(MBEDTLS_ERR_X509_FATAL_ERROR) ) 569 mbedtls_snprintf( buf, buflen, "X509 - A fatal error occurred, eg the chain is too long or the vrfy callback failed" ); 570 #endif /* MBEDTLS_X509_USE_C || MBEDTLS_X509_CREATE_C */ 571 // END generated code 572 573 if( strlen( buf ) == 0 ) 574 mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret ); 575 } 576 577 use_ret = ret & ~0xFF80; 578 579 if( use_ret == 0 ) 580 return; 581 582 // If high level code is present, make a concatenation between both 583 // error strings. 584 // 585 len = strlen( buf ); 586 587 if( len > 0 ) 588 { 589 if( buflen - len < 5 ) 590 return; 591 592 mbedtls_snprintf( buf + len, buflen - len, " : " ); 593 594 buf += len + 3; 595 buflen -= len + 3; 596 } 597 598 // Low level error codes 599 // 600 // BEGIN generated code 601 #if defined(MBEDTLS_AES_C) 602 if( use_ret == -(MBEDTLS_ERR_AES_INVALID_KEY_LENGTH) ) 603 mbedtls_snprintf( buf, buflen, "AES - Invalid key length" ); 604 if( use_ret == -(MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH) ) 605 mbedtls_snprintf( buf, buflen, "AES - Invalid data input length" ); 606 if( use_ret == -(MBEDTLS_ERR_AES_FEATURE_UNAVAILABLE) ) 607 mbedtls_snprintf( buf, buflen, "AES - Feature not available. For example, an unsupported AES key size" ); 608 if( use_ret == -(MBEDTLS_ERR_AES_HW_ACCEL_FAILED) ) 609 mbedtls_snprintf( buf, buflen, "AES - AES hardware accelerator failed" ); 610 #endif /* MBEDTLS_AES_C */ 611 612 #if defined(MBEDTLS_ARC4_C) 613 if( use_ret == -(MBEDTLS_ERR_ARC4_HW_ACCEL_FAILED) ) 614 mbedtls_snprintf( buf, buflen, "ARC4 - ARC4 hardware accelerator failed" ); 615 #endif /* MBEDTLS_ARC4_C */ 616 617 #if defined(MBEDTLS_ASN1_PARSE_C) 618 if( use_ret == -(MBEDTLS_ERR_ASN1_OUT_OF_DATA) ) 619 mbedtls_snprintf( buf, buflen, "ASN1 - Out of data when parsing an ASN1 data structure" ); 620 if( use_ret == -(MBEDTLS_ERR_ASN1_UNEXPECTED_TAG) ) 621 mbedtls_snprintf( buf, buflen, "ASN1 - ASN1 tag was of an unexpected value" ); 622 if( use_ret == -(MBEDTLS_ERR_ASN1_INVALID_LENGTH) ) 623 mbedtls_snprintf( buf, buflen, "ASN1 - Error when trying to determine the length or invalid length" ); 624 if( use_ret == -(MBEDTLS_ERR_ASN1_LENGTH_MISMATCH) ) 625 mbedtls_snprintf( buf, buflen, "ASN1 - Actual length differs from expected length" ); 626 if( use_ret == -(MBEDTLS_ERR_ASN1_INVALID_DATA) ) 627 mbedtls_snprintf( buf, buflen, "ASN1 - Data is invalid. (not used)" ); 628 if( use_ret == -(MBEDTLS_ERR_ASN1_ALLOC_FAILED) ) 629 mbedtls_snprintf( buf, buflen, "ASN1 - Memory allocation failed" ); 630 if( use_ret == -(MBEDTLS_ERR_ASN1_BUF_TOO_SMALL) ) 631 mbedtls_snprintf( buf, buflen, "ASN1 - Buffer too small when writing ASN.1 data structure" ); 632 #endif /* MBEDTLS_ASN1_PARSE_C */ 633 634 #if defined(MBEDTLS_BASE64_C) 635 if( use_ret == -(MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL) ) 636 mbedtls_snprintf( buf, buflen, "BASE64 - Output buffer too small" ); 637 if( use_ret == -(MBEDTLS_ERR_BASE64_INVALID_CHARACTER) ) 638 mbedtls_snprintf( buf, buflen, "BASE64 - Invalid character in input" ); 639 #endif /* MBEDTLS_BASE64_C */ 640 641 #if defined(MBEDTLS_BIGNUM_C) 642 if( use_ret == -(MBEDTLS_ERR_MPI_FILE_IO_ERROR) ) 643 mbedtls_snprintf( buf, buflen, "BIGNUM - An error occurred while reading from or writing to a file" ); 644 if( use_ret == -(MBEDTLS_ERR_MPI_BAD_INPUT_DATA) ) 645 mbedtls_snprintf( buf, buflen, "BIGNUM - Bad input parameters to function" ); 646 if( use_ret == -(MBEDTLS_ERR_MPI_INVALID_CHARACTER) ) 647 mbedtls_snprintf( buf, buflen, "BIGNUM - There is an invalid character in the digit string" ); 648 if( use_ret == -(MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL) ) 649 mbedtls_snprintf( buf, buflen, "BIGNUM - The buffer is too small to write to" ); 650 if( use_ret == -(MBEDTLS_ERR_MPI_NEGATIVE_VALUE) ) 651 mbedtls_snprintf( buf, buflen, "BIGNUM - The input arguments are negative or result in illegal output" ); 652 if( use_ret == -(MBEDTLS_ERR_MPI_DIVISION_BY_ZERO) ) 653 mbedtls_snprintf( buf, buflen, "BIGNUM - The input argument for division is zero, which is not allowed" ); 654 if( use_ret == -(MBEDTLS_ERR_MPI_NOT_ACCEPTABLE) ) 655 mbedtls_snprintf( buf, buflen, "BIGNUM - The input arguments are not acceptable" ); 656 if( use_ret == -(MBEDTLS_ERR_MPI_ALLOC_FAILED) ) 657 mbedtls_snprintf( buf, buflen, "BIGNUM - Memory allocation failed" ); 658 #endif /* MBEDTLS_BIGNUM_C */ 659 660 #if defined(MBEDTLS_BLOWFISH_C) 661 if( use_ret == -(MBEDTLS_ERR_BLOWFISH_INVALID_KEY_LENGTH) ) 662 mbedtls_snprintf( buf, buflen, "BLOWFISH - Invalid key length" ); 663 if( use_ret == -(MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED) ) 664 mbedtls_snprintf( buf, buflen, "BLOWFISH - Blowfish hardware accelerator failed" ); 665 if( use_ret == -(MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH) ) 666 mbedtls_snprintf( buf, buflen, "BLOWFISH - Invalid data input length" ); 667 #endif /* MBEDTLS_BLOWFISH_C */ 668 669 #if defined(MBEDTLS_CAMELLIA_C) 670 if( use_ret == -(MBEDTLS_ERR_CAMELLIA_INVALID_KEY_LENGTH) ) 671 mbedtls_snprintf( buf, buflen, "CAMELLIA - Invalid key length" ); 672 if( use_ret == -(MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH) ) 673 mbedtls_snprintf( buf, buflen, "CAMELLIA - Invalid data input length" ); 674 if( use_ret == -(MBEDTLS_ERR_CAMELLIA_HW_ACCEL_FAILED) ) 675 mbedtls_snprintf( buf, buflen, "CAMELLIA - Camellia hardware accelerator failed" ); 676 #endif /* MBEDTLS_CAMELLIA_C */ 677 678 #if defined(MBEDTLS_CCM_C) 679 if( use_ret == -(MBEDTLS_ERR_CCM_BAD_INPUT) ) 680 mbedtls_snprintf( buf, buflen, "CCM - Bad input parameters to the function" ); 681 if( use_ret == -(MBEDTLS_ERR_CCM_AUTH_FAILED) ) 682 mbedtls_snprintf( buf, buflen, "CCM - Authenticated decryption failed" ); 683 if( use_ret == -(MBEDTLS_ERR_CCM_HW_ACCEL_FAILED) ) 684 mbedtls_snprintf( buf, buflen, "CCM - CCM hardware accelerator failed" ); 685 #endif /* MBEDTLS_CCM_C */ 686 687 #if defined(MBEDTLS_CMAC_C) 688 if( use_ret == -(MBEDTLS_ERR_CMAC_HW_ACCEL_FAILED) ) 689 mbedtls_snprintf( buf, buflen, "CMAC - CMAC hardware accelerator failed" ); 690 #endif /* MBEDTLS_CMAC_C */ 691 692 #if defined(MBEDTLS_CTR_DRBG_C) 693 if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED) ) 694 mbedtls_snprintf( buf, buflen, "CTR_DRBG - The entropy source failed" ); 695 if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_REQUEST_TOO_BIG) ) 696 mbedtls_snprintf( buf, buflen, "CTR_DRBG - The requested random buffer length is too big" ); 697 if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG) ) 698 mbedtls_snprintf( buf, buflen, "CTR_DRBG - The input (entropy + additional data) is too large" ); 699 if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR) ) 700 mbedtls_snprintf( buf, buflen, "CTR_DRBG - Read or write error in file" ); 701 #endif /* MBEDTLS_CTR_DRBG_C */ 702 703 #if defined(MBEDTLS_DES_C) 704 if( use_ret == -(MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH) ) 705 mbedtls_snprintf( buf, buflen, "DES - The data input has an invalid length" ); 706 if( use_ret == -(MBEDTLS_ERR_DES_HW_ACCEL_FAILED) ) 707 mbedtls_snprintf( buf, buflen, "DES - DES hardware accelerator failed" ); 708 #endif /* MBEDTLS_DES_C */ 709 710 #if defined(MBEDTLS_ENTROPY_C) 711 if( use_ret == -(MBEDTLS_ERR_ENTROPY_SOURCE_FAILED) ) 712 mbedtls_snprintf( buf, buflen, "ENTROPY - Critical entropy source failure" ); 713 if( use_ret == -(MBEDTLS_ERR_ENTROPY_MAX_SOURCES) ) 714 mbedtls_snprintf( buf, buflen, "ENTROPY - No more sources can be added" ); 715 if( use_ret == -(MBEDTLS_ERR_ENTROPY_NO_SOURCES_DEFINED) ) 716 mbedtls_snprintf( buf, buflen, "ENTROPY - No sources have been added to poll" ); 717 if( use_ret == -(MBEDTLS_ERR_ENTROPY_NO_STRONG_SOURCE) ) 718 mbedtls_snprintf( buf, buflen, "ENTROPY - No strong sources have been added to poll" ); 719 if( use_ret == -(MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR) ) 720 mbedtls_snprintf( buf, buflen, "ENTROPY - Read/write error in file" ); 721 #endif /* MBEDTLS_ENTROPY_C */ 722 723 #if defined(MBEDTLS_GCM_C) 724 if( use_ret == -(MBEDTLS_ERR_GCM_AUTH_FAILED) ) 725 mbedtls_snprintf( buf, buflen, "GCM - Authenticated decryption failed" ); 726 if( use_ret == -(MBEDTLS_ERR_GCM_HW_ACCEL_FAILED) ) 727 mbedtls_snprintf( buf, buflen, "GCM - GCM hardware accelerator failed" ); 728 if( use_ret == -(MBEDTLS_ERR_GCM_BAD_INPUT) ) 729 mbedtls_snprintf( buf, buflen, "GCM - Bad input parameters to function" ); 730 #endif /* MBEDTLS_GCM_C */ 731 732 #if defined(MBEDTLS_HMAC_DRBG_C) 733 if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_REQUEST_TOO_BIG) ) 734 mbedtls_snprintf( buf, buflen, "HMAC_DRBG - Too many random requested in single call" ); 735 if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG) ) 736 mbedtls_snprintf( buf, buflen, "HMAC_DRBG - Input too large (Entropy + additional)" ); 737 if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_FILE_IO_ERROR) ) 738 mbedtls_snprintf( buf, buflen, "HMAC_DRBG - Read/write error in file" ); 739 if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED) ) 740 mbedtls_snprintf( buf, buflen, "HMAC_DRBG - The entropy source failed" ); 741 #endif /* MBEDTLS_HMAC_DRBG_C */ 742 743 #if defined(MBEDTLS_MD2_C) 744 if( use_ret == -(MBEDTLS_ERR_MD2_HW_ACCEL_FAILED) ) 745 mbedtls_snprintf( buf, buflen, "MD2 - MD2 hardware accelerator failed" ); 746 #endif /* MBEDTLS_MD2_C */ 747 748 #if defined(MBEDTLS_MD4_C) 749 if( use_ret == -(MBEDTLS_ERR_MD4_HW_ACCEL_FAILED) ) 750 mbedtls_snprintf( buf, buflen, "MD4 - MD4 hardware accelerator failed" ); 751 #endif /* MBEDTLS_MD4_C */ 752 753 #if defined(MBEDTLS_MD5_C) 754 if( use_ret == -(MBEDTLS_ERR_MD5_HW_ACCEL_FAILED) ) 755 mbedtls_snprintf( buf, buflen, "MD5 - MD5 hardware accelerator failed" ); 756 #endif /* MBEDTLS_MD5_C */ 757 758 #if defined(MBEDTLS_NET_C) 759 if( use_ret == -(MBEDTLS_ERR_NET_SOCKET_FAILED) ) 760 mbedtls_snprintf( buf, buflen, "NET - Failed to open a socket" ); 761 if( use_ret == -(MBEDTLS_ERR_NET_CONNECT_FAILED) ) 762 mbedtls_snprintf( buf, buflen, "NET - The connection to the given server / port failed" ); 763 if( use_ret == -(MBEDTLS_ERR_NET_BIND_FAILED) ) 764 mbedtls_snprintf( buf, buflen, "NET - Binding of the socket failed" ); 765 if( use_ret == -(MBEDTLS_ERR_NET_LISTEN_FAILED) ) 766 mbedtls_snprintf( buf, buflen, "NET - Could not listen on the socket" ); 767 if( use_ret == -(MBEDTLS_ERR_NET_ACCEPT_FAILED) ) 768 mbedtls_snprintf( buf, buflen, "NET - Could not accept the incoming connection" ); 769 if( use_ret == -(MBEDTLS_ERR_NET_RECV_FAILED) ) 770 mbedtls_snprintf( buf, buflen, "NET - Reading information from the socket failed" ); 771 if( use_ret == -(MBEDTLS_ERR_NET_SEND_FAILED) ) 772 mbedtls_snprintf( buf, buflen, "NET - Sending information through the socket failed" ); 773 if( use_ret == -(MBEDTLS_ERR_NET_CONN_RESET) ) 774 mbedtls_snprintf( buf, buflen, "NET - Connection was reset by peer" ); 775 if( use_ret == -(MBEDTLS_ERR_NET_UNKNOWN_HOST) ) 776 mbedtls_snprintf( buf, buflen, "NET - Failed to get an IP address for the given hostname" ); 777 if( use_ret == -(MBEDTLS_ERR_NET_BUFFER_TOO_SMALL) ) 778 mbedtls_snprintf( buf, buflen, "NET - Buffer is too small to hold the data" ); 779 if( use_ret == -(MBEDTLS_ERR_NET_INVALID_CONTEXT) ) 780 mbedtls_snprintf( buf, buflen, "NET - The context is invalid, eg because it was free()ed" ); 781 #endif /* MBEDTLS_NET_C */ 782 783 #if defined(MBEDTLS_OID_C) 784 if( use_ret == -(MBEDTLS_ERR_OID_NOT_FOUND) ) 785 mbedtls_snprintf( buf, buflen, "OID - OID is not found" ); 786 if( use_ret == -(MBEDTLS_ERR_OID_BUF_TOO_SMALL) ) 787 mbedtls_snprintf( buf, buflen, "OID - output buffer is too small" ); 788 #endif /* MBEDTLS_OID_C */ 789 790 #if defined(MBEDTLS_PADLOCK_C) 791 if( use_ret == -(MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED) ) 792 mbedtls_snprintf( buf, buflen, "PADLOCK - Input data should be aligned" ); 793 #endif /* MBEDTLS_PADLOCK_C */ 794 795 #if defined(MBEDTLS_RIPEMD160_C) 796 if( use_ret == -(MBEDTLS_ERR_RIPEMD160_HW_ACCEL_FAILED) ) 797 mbedtls_snprintf( buf, buflen, "RIPEMD160 - RIPEMD160 hardware accelerator failed" ); 798 #endif /* MBEDTLS_RIPEMD160_C */ 799 800 #if defined(MBEDTLS_SHA1_C) 801 if( use_ret == -(MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED) ) 802 mbedtls_snprintf( buf, buflen, "SHA1 - SHA-1 hardware accelerator failed" ); 803 #endif /* MBEDTLS_SHA1_C */ 804 805 #if defined(MBEDTLS_SHA256_C) 806 if( use_ret == -(MBEDTLS_ERR_SHA256_HW_ACCEL_FAILED) ) 807 mbedtls_snprintf( buf, buflen, "SHA256 - SHA-256 hardware accelerator failed" ); 808 #endif /* MBEDTLS_SHA256_C */ 809 810 #if defined(MBEDTLS_SHA512_C) 811 if( use_ret == -(MBEDTLS_ERR_SHA512_HW_ACCEL_FAILED) ) 812 mbedtls_snprintf( buf, buflen, "SHA512 - SHA-512 hardware accelerator failed" ); 813 #endif /* MBEDTLS_SHA512_C */ 814 815 #if defined(MBEDTLS_THREADING_C) 816 if( use_ret == -(MBEDTLS_ERR_THREADING_FEATURE_UNAVAILABLE) ) 817 mbedtls_snprintf( buf, buflen, "THREADING - The selected feature is not available" ); 818 if( use_ret == -(MBEDTLS_ERR_THREADING_BAD_INPUT_DATA) ) 819 mbedtls_snprintf( buf, buflen, "THREADING - Bad input parameters to function" ); 820 if( use_ret == -(MBEDTLS_ERR_THREADING_MUTEX_ERROR) ) 821 mbedtls_snprintf( buf, buflen, "THREADING - Locking / unlocking / free failed with error code" ); 822 #endif /* MBEDTLS_THREADING_C */ 823 824 #if defined(MBEDTLS_XTEA_C) 825 if( use_ret == -(MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH) ) 826 mbedtls_snprintf( buf, buflen, "XTEA - The data input has an invalid length" ); 827 if( use_ret == -(MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED) ) 828 mbedtls_snprintf( buf, buflen, "XTEA - XTEA hardware accelerator failed" ); 829 #endif /* MBEDTLS_XTEA_C */ 830 // END generated code 831 832 if( strlen( buf ) != 0 ) 833 return; 834 835 mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret ); 836 } 837 838 #else /* MBEDTLS_ERROR_C */ 839 840 #if defined(MBEDTLS_ERROR_STRERROR_DUMMY) 841 842 /* 843 * Provide an non-function in case MBEDTLS_ERROR_C is not defined 844 */ 845 void mbedtls_strerror( int ret, char *buf, size_t buflen ) 846 { 847 ((void) ret); 848 849 if( buflen > 0 ) 850 buf[0] = '\0'; 851 } 852 853 #endif /* MBEDTLS_ERROR_STRERROR_DUMMY */ 854 855 #endif /* MBEDTLS_ERROR_C */ 856