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