1 // SPDX-License-Identifier: Apache-2.0 2 /* 3 * Error message information 4 * 5 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved 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_STRERROR_DUMMY) 29 #include <string.h> 30 #endif 31 32 #if defined(MBEDTLS_PLATFORM_C) 33 #include "mbedtls/platform.h" 34 #else 35 #define mbedtls_snprintf snprintf 36 #define mbedtls_time_t time_t 37 #endif 38 39 #if defined(MBEDTLS_ERROR_C) 40 41 #include <stdio.h> 42 43 #if defined(MBEDTLS_AES_C) 44 #include "mbedtls/aes.h" 45 #endif 46 47 #if defined(MBEDTLS_ARC4_C) 48 #include "mbedtls/arc4.h" 49 #endif 50 51 #if defined(MBEDTLS_ARIA_C) 52 #include "mbedtls/aria.h" 53 #endif 54 55 #if defined(MBEDTLS_BASE64_C) 56 #include "mbedtls/base64.h" 57 #endif 58 59 #if defined(MBEDTLS_BIGNUM_C) 60 #include "mbedtls/bignum.h" 61 #endif 62 63 #if defined(MBEDTLS_BLOWFISH_C) 64 #include "mbedtls/blowfish.h" 65 #endif 66 67 #if defined(MBEDTLS_CAMELLIA_C) 68 #include "mbedtls/camellia.h" 69 #endif 70 71 #if defined(MBEDTLS_CCM_C) 72 #include "mbedtls/ccm.h" 73 #endif 74 75 #if defined(MBEDTLS_CHACHA20_C) 76 #include "mbedtls/chacha20.h" 77 #endif 78 79 #if defined(MBEDTLS_CHACHAPOLY_C) 80 #include "mbedtls/chachapoly.h" 81 #endif 82 83 #if defined(MBEDTLS_CIPHER_C) 84 #include "mbedtls/cipher.h" 85 #endif 86 87 #if defined(MBEDTLS_CMAC_C) 88 #include "mbedtls/cmac.h" 89 #endif 90 91 #if defined(MBEDTLS_CTR_DRBG_C) 92 #include "mbedtls/ctr_drbg.h" 93 #endif 94 95 #if defined(MBEDTLS_DES_C) 96 #include "mbedtls/des.h" 97 #endif 98 99 #if defined(MBEDTLS_DHM_C) 100 #include "mbedtls/dhm.h" 101 #endif 102 103 #if defined(MBEDTLS_ECP_C) 104 #include "mbedtls/ecp.h" 105 #endif 106 107 #if defined(MBEDTLS_ENTROPY_C) 108 #include "mbedtls/entropy.h" 109 #endif 110 111 #if defined(MBEDTLS_ERROR_C) 112 #include "mbedtls/error.h" 113 #endif 114 115 #if defined(MBEDTLS_GCM_C) 116 #include "mbedtls/gcm.h" 117 #endif 118 119 #if defined(MBEDTLS_HKDF_C) 120 #include "mbedtls/hkdf.h" 121 #endif 122 123 #if defined(MBEDTLS_HMAC_DRBG_C) 124 #include "mbedtls/hmac_drbg.h" 125 #endif 126 127 #if defined(MBEDTLS_MD_C) 128 #include "mbedtls/md.h" 129 #endif 130 131 #if defined(MBEDTLS_MD2_C) 132 #include "mbedtls/md2.h" 133 #endif 134 135 #if defined(MBEDTLS_MD4_C) 136 #include "mbedtls/md4.h" 137 #endif 138 139 #if defined(MBEDTLS_MD5_C) 140 #include "mbedtls/md5.h" 141 #endif 142 143 #if defined(MBEDTLS_NET_C) 144 #include "mbedtls/net_sockets.h" 145 #endif 146 147 #if defined(MBEDTLS_OID_C) 148 #include "mbedtls/oid.h" 149 #endif 150 151 #if defined(MBEDTLS_PADLOCK_C) 152 #include "mbedtls/padlock.h" 153 #endif 154 155 #if defined(MBEDTLS_PEM_PARSE_C) || defined(MBEDTLS_PEM_WRITE_C) 156 #include "mbedtls/pem.h" 157 #endif 158 159 #if defined(MBEDTLS_PK_C) 160 #include "mbedtls/pk.h" 161 #endif 162 163 #if defined(MBEDTLS_PKCS12_C) 164 #include "mbedtls/pkcs12.h" 165 #endif 166 167 #if defined(MBEDTLS_PKCS5_C) 168 #include "mbedtls/pkcs5.h" 169 #endif 170 171 #if defined(MBEDTLS_PLATFORM_C) 172 #include "mbedtls/platform.h" 173 #endif 174 175 #if defined(MBEDTLS_POLY1305_C) 176 #include "mbedtls/poly1305.h" 177 #endif 178 179 #if defined(MBEDTLS_RIPEMD160_C) 180 #include "mbedtls/ripemd160.h" 181 #endif 182 183 #if defined(MBEDTLS_RSA_C) 184 #include "mbedtls/rsa.h" 185 #endif 186 187 #if defined(MBEDTLS_SHA1_C) 188 #include "mbedtls/sha1.h" 189 #endif 190 191 #if defined(MBEDTLS_SHA256_C) 192 #include "mbedtls/sha256.h" 193 #endif 194 195 #if defined(MBEDTLS_SHA512_C) 196 #include "mbedtls/sha512.h" 197 #endif 198 199 #if defined(MBEDTLS_SSL_TLS_C) 200 #include "mbedtls/ssl.h" 201 #endif 202 203 #if defined(MBEDTLS_THREADING_C) 204 #include "mbedtls/threading.h" 205 #endif 206 207 #if defined(MBEDTLS_X509_USE_C) || defined(MBEDTLS_X509_CREATE_C) 208 #include "mbedtls/x509.h" 209 #endif 210 211 #if defined(MBEDTLS_XTEA_C) 212 #include "mbedtls/xtea.h" 213 #endif 214 215 216 void mbedtls_strerror( int ret, char *buf, size_t buflen ) 217 { 218 size_t len; 219 int use_ret; 220 221 if( buflen == 0 ) 222 return; 223 224 memset( buf, 0x00, buflen ); 225 226 if( ret < 0 ) 227 ret = -ret; 228 229 if( ret & 0xFF80 ) 230 { 231 use_ret = ret & 0xFF80; 232 233 // High level error codes 234 // 235 // BEGIN generated code 236 #if defined(MBEDTLS_CIPHER_C) 237 if( use_ret == -(MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE) ) 238 mbedtls_snprintf( buf, buflen, "CIPHER - The selected feature is not available" ); 239 if( use_ret == -(MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA) ) 240 mbedtls_snprintf( buf, buflen, "CIPHER - Bad input parameters" ); 241 if( use_ret == -(MBEDTLS_ERR_CIPHER_ALLOC_FAILED) ) 242 mbedtls_snprintf( buf, buflen, "CIPHER - Failed to allocate memory" ); 243 if( use_ret == -(MBEDTLS_ERR_CIPHER_INVALID_PADDING) ) 244 mbedtls_snprintf( buf, buflen, "CIPHER - Input data contains invalid padding and is rejected" ); 245 if( use_ret == -(MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED) ) 246 mbedtls_snprintf( buf, buflen, "CIPHER - Decryption of block requires a full block" ); 247 if( use_ret == -(MBEDTLS_ERR_CIPHER_AUTH_FAILED) ) 248 mbedtls_snprintf( buf, buflen, "CIPHER - Authentication failed (for AEAD modes)" ); 249 if( use_ret == -(MBEDTLS_ERR_CIPHER_INVALID_CONTEXT) ) 250 mbedtls_snprintf( buf, buflen, "CIPHER - The context is invalid. For example, because it was freed" ); 251 if( use_ret == -(MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED) ) 252 mbedtls_snprintf( buf, buflen, "CIPHER - Cipher hardware accelerator failed" ); 253 #endif /* MBEDTLS_CIPHER_C */ 254 255 #if defined(MBEDTLS_DHM_C) 256 if( use_ret == -(MBEDTLS_ERR_DHM_BAD_INPUT_DATA) ) 257 mbedtls_snprintf( buf, buflen, "DHM - Bad input parameters" ); 258 if( use_ret == -(MBEDTLS_ERR_DHM_READ_PARAMS_FAILED) ) 259 mbedtls_snprintf( buf, buflen, "DHM - Reading of the DHM parameters failed" ); 260 if( use_ret == -(MBEDTLS_ERR_DHM_MAKE_PARAMS_FAILED) ) 261 mbedtls_snprintf( buf, buflen, "DHM - Making of the DHM parameters failed" ); 262 if( use_ret == -(MBEDTLS_ERR_DHM_READ_PUBLIC_FAILED) ) 263 mbedtls_snprintf( buf, buflen, "DHM - Reading of the public values failed" ); 264 if( use_ret == -(MBEDTLS_ERR_DHM_MAKE_PUBLIC_FAILED) ) 265 mbedtls_snprintf( buf, buflen, "DHM - Making of the public value failed" ); 266 if( use_ret == -(MBEDTLS_ERR_DHM_CALC_SECRET_FAILED) ) 267 mbedtls_snprintf( buf, buflen, "DHM - Calculation of the DHM secret failed" ); 268 if( use_ret == -(MBEDTLS_ERR_DHM_INVALID_FORMAT) ) 269 mbedtls_snprintf( buf, buflen, "DHM - The ASN.1 data is not formatted correctly" ); 270 if( use_ret == -(MBEDTLS_ERR_DHM_ALLOC_FAILED) ) 271 mbedtls_snprintf( buf, buflen, "DHM - Allocation of memory failed" ); 272 if( use_ret == -(MBEDTLS_ERR_DHM_FILE_IO_ERROR) ) 273 mbedtls_snprintf( buf, buflen, "DHM - Read or write of file failed" ); 274 if( use_ret == -(MBEDTLS_ERR_DHM_HW_ACCEL_FAILED) ) 275 mbedtls_snprintf( buf, buflen, "DHM - DHM hardware accelerator failed" ); 276 if( use_ret == -(MBEDTLS_ERR_DHM_SET_GROUP_FAILED) ) 277 mbedtls_snprintf( buf, buflen, "DHM - Setting the modulus and generator failed" ); 278 #endif /* MBEDTLS_DHM_C */ 279 280 #if defined(MBEDTLS_ECP_C) 281 if( use_ret == -(MBEDTLS_ERR_ECP_BAD_INPUT_DATA) ) 282 mbedtls_snprintf( buf, buflen, "ECP - Bad input parameters to function" ); 283 if( use_ret == -(MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL) ) 284 mbedtls_snprintf( buf, buflen, "ECP - The buffer is too small to write to" ); 285 if( use_ret == -(MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE) ) 286 mbedtls_snprintf( buf, buflen, "ECP - The requested feature is not available, for example, the requested curve is not supported" ); 287 if( use_ret == -(MBEDTLS_ERR_ECP_VERIFY_FAILED) ) 288 mbedtls_snprintf( buf, buflen, "ECP - The signature is not valid" ); 289 if( use_ret == -(MBEDTLS_ERR_ECP_ALLOC_FAILED) ) 290 mbedtls_snprintf( buf, buflen, "ECP - Memory allocation failed" ); 291 if( use_ret == -(MBEDTLS_ERR_ECP_RANDOM_FAILED) ) 292 mbedtls_snprintf( buf, buflen, "ECP - Generation of random value, such as ephemeral key, failed" ); 293 if( use_ret == -(MBEDTLS_ERR_ECP_INVALID_KEY) ) 294 mbedtls_snprintf( buf, buflen, "ECP - Invalid private or public key" ); 295 if( use_ret == -(MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH) ) 296 mbedtls_snprintf( buf, buflen, "ECP - The buffer contains a valid signature followed by more data" ); 297 if( use_ret == -(MBEDTLS_ERR_ECP_HW_ACCEL_FAILED) ) 298 mbedtls_snprintf( buf, buflen, "ECP - The ECP hardware accelerator failed" ); 299 if( use_ret == -(MBEDTLS_ERR_ECP_IN_PROGRESS) ) 300 mbedtls_snprintf( buf, buflen, "ECP - Operation in progress, call again with the same parameters to continue" ); 301 #endif /* MBEDTLS_ECP_C */ 302 303 #if defined(MBEDTLS_MD_C) 304 if( use_ret == -(MBEDTLS_ERR_MD_FEATURE_UNAVAILABLE) ) 305 mbedtls_snprintf( buf, buflen, "MD - The selected feature is not available" ); 306 if( use_ret == -(MBEDTLS_ERR_MD_BAD_INPUT_DATA) ) 307 mbedtls_snprintf( buf, buflen, "MD - Bad input parameters to function" ); 308 if( use_ret == -(MBEDTLS_ERR_MD_ALLOC_FAILED) ) 309 mbedtls_snprintf( buf, buflen, "MD - Failed to allocate memory" ); 310 if( use_ret == -(MBEDTLS_ERR_MD_FILE_IO_ERROR) ) 311 mbedtls_snprintf( buf, buflen, "MD - Opening or reading of file failed" ); 312 if( use_ret == -(MBEDTLS_ERR_MD_HW_ACCEL_FAILED) ) 313 mbedtls_snprintf( buf, buflen, "MD - MD hardware accelerator failed" ); 314 #endif /* MBEDTLS_MD_C */ 315 316 #if defined(MBEDTLS_PEM_PARSE_C) || defined(MBEDTLS_PEM_WRITE_C) 317 if( use_ret == -(MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT) ) 318 mbedtls_snprintf( buf, buflen, "PEM - No PEM header or footer found" ); 319 if( use_ret == -(MBEDTLS_ERR_PEM_INVALID_DATA) ) 320 mbedtls_snprintf( buf, buflen, "PEM - PEM string is not as expected" ); 321 if( use_ret == -(MBEDTLS_ERR_PEM_ALLOC_FAILED) ) 322 mbedtls_snprintf( buf, buflen, "PEM - Failed to allocate memory" ); 323 if( use_ret == -(MBEDTLS_ERR_PEM_INVALID_ENC_IV) ) 324 mbedtls_snprintf( buf, buflen, "PEM - RSA IV is not in hex-format" ); 325 if( use_ret == -(MBEDTLS_ERR_PEM_UNKNOWN_ENC_ALG) ) 326 mbedtls_snprintf( buf, buflen, "PEM - Unsupported key encryption algorithm" ); 327 if( use_ret == -(MBEDTLS_ERR_PEM_PASSWORD_REQUIRED) ) 328 mbedtls_snprintf( buf, buflen, "PEM - Private key password can't be empty" ); 329 if( use_ret == -(MBEDTLS_ERR_PEM_PASSWORD_MISMATCH) ) 330 mbedtls_snprintf( buf, buflen, "PEM - Given private key password does not allow for correct decryption" ); 331 if( use_ret == -(MBEDTLS_ERR_PEM_FEATURE_UNAVAILABLE) ) 332 mbedtls_snprintf( buf, buflen, "PEM - Unavailable feature, e.g. hashing/encryption combination" ); 333 if( use_ret == -(MBEDTLS_ERR_PEM_BAD_INPUT_DATA) ) 334 mbedtls_snprintf( buf, buflen, "PEM - Bad input parameters to function" ); 335 #endif /* MBEDTLS_PEM_PARSE_C || MBEDTLS_PEM_WRITE_C */ 336 337 #if defined(MBEDTLS_PK_C) 338 if( use_ret == -(MBEDTLS_ERR_PK_ALLOC_FAILED) ) 339 mbedtls_snprintf( buf, buflen, "PK - Memory allocation failed" ); 340 if( use_ret == -(MBEDTLS_ERR_PK_TYPE_MISMATCH) ) 341 mbedtls_snprintf( buf, buflen, "PK - Type mismatch, eg attempt to encrypt with an ECDSA key" ); 342 if( use_ret == -(MBEDTLS_ERR_PK_BAD_INPUT_DATA) ) 343 mbedtls_snprintf( buf, buflen, "PK - Bad input parameters to function" ); 344 if( use_ret == -(MBEDTLS_ERR_PK_FILE_IO_ERROR) ) 345 mbedtls_snprintf( buf, buflen, "PK - Read/write of file failed" ); 346 if( use_ret == -(MBEDTLS_ERR_PK_KEY_INVALID_VERSION) ) 347 mbedtls_snprintf( buf, buflen, "PK - Unsupported key version" ); 348 if( use_ret == -(MBEDTLS_ERR_PK_KEY_INVALID_FORMAT) ) 349 mbedtls_snprintf( buf, buflen, "PK - Invalid key tag or value" ); 350 if( use_ret == -(MBEDTLS_ERR_PK_UNKNOWN_PK_ALG) ) 351 mbedtls_snprintf( buf, buflen, "PK - Key algorithm is unsupported (only RSA and EC are supported)" ); 352 if( use_ret == -(MBEDTLS_ERR_PK_PASSWORD_REQUIRED) ) 353 mbedtls_snprintf( buf, buflen, "PK - Private key password can't be empty" ); 354 if( use_ret == -(MBEDTLS_ERR_PK_PASSWORD_MISMATCH) ) 355 mbedtls_snprintf( buf, buflen, "PK - Given private key password does not allow for correct decryption" ); 356 if( use_ret == -(MBEDTLS_ERR_PK_INVALID_PUBKEY) ) 357 mbedtls_snprintf( buf, buflen, "PK - The pubkey tag or value is invalid (only RSA and EC are supported)" ); 358 if( use_ret == -(MBEDTLS_ERR_PK_INVALID_ALG) ) 359 mbedtls_snprintf( buf, buflen, "PK - The algorithm tag or value is invalid" ); 360 if( use_ret == -(MBEDTLS_ERR_PK_UNKNOWN_NAMED_CURVE) ) 361 mbedtls_snprintf( buf, buflen, "PK - Elliptic curve is unsupported (only NIST curves are supported)" ); 362 if( use_ret == -(MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE) ) 363 mbedtls_snprintf( buf, buflen, "PK - Unavailable feature, e.g. RSA disabled for RSA key" ); 364 if( use_ret == -(MBEDTLS_ERR_PK_SIG_LEN_MISMATCH) ) 365 mbedtls_snprintf( buf, buflen, "PK - The buffer contains a valid signature followed by more data" ); 366 if( use_ret == -(MBEDTLS_ERR_PK_HW_ACCEL_FAILED) ) 367 mbedtls_snprintf( buf, buflen, "PK - PK hardware accelerator failed" ); 368 #endif /* MBEDTLS_PK_C */ 369 370 #if defined(MBEDTLS_PKCS12_C) 371 if( use_ret == -(MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA) ) 372 mbedtls_snprintf( buf, buflen, "PKCS12 - Bad input parameters to function" ); 373 if( use_ret == -(MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE) ) 374 mbedtls_snprintf( buf, buflen, "PKCS12 - Feature not available, e.g. unsupported encryption scheme" ); 375 if( use_ret == -(MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT) ) 376 mbedtls_snprintf( buf, buflen, "PKCS12 - PBE ASN.1 data not as expected" ); 377 if( use_ret == -(MBEDTLS_ERR_PKCS12_PASSWORD_MISMATCH) ) 378 mbedtls_snprintf( buf, buflen, "PKCS12 - Given private key password does not allow for correct decryption" ); 379 #endif /* MBEDTLS_PKCS12_C */ 380 381 #if defined(MBEDTLS_PKCS5_C) 382 if( use_ret == -(MBEDTLS_ERR_PKCS5_BAD_INPUT_DATA) ) 383 mbedtls_snprintf( buf, buflen, "PKCS5 - Bad input parameters to function" ); 384 if( use_ret == -(MBEDTLS_ERR_PKCS5_INVALID_FORMAT) ) 385 mbedtls_snprintf( buf, buflen, "PKCS5 - Unexpected ASN.1 data" ); 386 if( use_ret == -(MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE) ) 387 mbedtls_snprintf( buf, buflen, "PKCS5 - Requested encryption or digest alg not available" ); 388 if( use_ret == -(MBEDTLS_ERR_PKCS5_PASSWORD_MISMATCH) ) 389 mbedtls_snprintf( buf, buflen, "PKCS5 - Given private key password does not allow for correct decryption" ); 390 #endif /* MBEDTLS_PKCS5_C */ 391 392 #if defined(MBEDTLS_RSA_C) 393 if( use_ret == -(MBEDTLS_ERR_RSA_BAD_INPUT_DATA) ) 394 mbedtls_snprintf( buf, buflen, "RSA - Bad input parameters to function" ); 395 if( use_ret == -(MBEDTLS_ERR_RSA_INVALID_PADDING) ) 396 mbedtls_snprintf( buf, buflen, "RSA - Input data contains invalid padding and is rejected" ); 397 if( use_ret == -(MBEDTLS_ERR_RSA_KEY_GEN_FAILED) ) 398 mbedtls_snprintf( buf, buflen, "RSA - Something failed during generation of a key" ); 399 if( use_ret == -(MBEDTLS_ERR_RSA_KEY_CHECK_FAILED) ) 400 mbedtls_snprintf( buf, buflen, "RSA - Key failed to pass the validity check of the library" ); 401 if( use_ret == -(MBEDTLS_ERR_RSA_PUBLIC_FAILED) ) 402 mbedtls_snprintf( buf, buflen, "RSA - The public key operation failed" ); 403 if( use_ret == -(MBEDTLS_ERR_RSA_PRIVATE_FAILED) ) 404 mbedtls_snprintf( buf, buflen, "RSA - The private key operation failed" ); 405 if( use_ret == -(MBEDTLS_ERR_RSA_VERIFY_FAILED) ) 406 mbedtls_snprintf( buf, buflen, "RSA - The PKCS#1 verification failed" ); 407 if( use_ret == -(MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE) ) 408 mbedtls_snprintf( buf, buflen, "RSA - The output buffer for decryption is not large enough" ); 409 if( use_ret == -(MBEDTLS_ERR_RSA_RNG_FAILED) ) 410 mbedtls_snprintf( buf, buflen, "RSA - The random generator failed to generate non-zeros" ); 411 if( use_ret == -(MBEDTLS_ERR_RSA_UNSUPPORTED_OPERATION) ) 412 mbedtls_snprintf( buf, buflen, "RSA - The implementation does not offer the requested operation, for example, because of security violations or lack of functionality" ); 413 if( use_ret == -(MBEDTLS_ERR_RSA_HW_ACCEL_FAILED) ) 414 mbedtls_snprintf( buf, buflen, "RSA - RSA hardware accelerator failed" ); 415 #endif /* MBEDTLS_RSA_C */ 416 417 #if defined(MBEDTLS_SSL_TLS_C) 418 if( use_ret == -(MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE) ) 419 mbedtls_snprintf( buf, buflen, "SSL - The requested feature is not available" ); 420 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_INPUT_DATA) ) 421 mbedtls_snprintf( buf, buflen, "SSL - Bad input parameters to function" ); 422 if( use_ret == -(MBEDTLS_ERR_SSL_INVALID_MAC) ) 423 mbedtls_snprintf( buf, buflen, "SSL - Verification of the message MAC failed" ); 424 if( use_ret == -(MBEDTLS_ERR_SSL_INVALID_RECORD) ) 425 mbedtls_snprintf( buf, buflen, "SSL - An invalid SSL record was received" ); 426 if( use_ret == -(MBEDTLS_ERR_SSL_CONN_EOF) ) 427 mbedtls_snprintf( buf, buflen, "SSL - The connection indicated an EOF" ); 428 if( use_ret == -(MBEDTLS_ERR_SSL_UNKNOWN_CIPHER) ) 429 mbedtls_snprintf( buf, buflen, "SSL - An unknown cipher was received" ); 430 if( use_ret == -(MBEDTLS_ERR_SSL_NO_CIPHER_CHOSEN) ) 431 mbedtls_snprintf( buf, buflen, "SSL - The server has no ciphersuites in common with the client" ); 432 if( use_ret == -(MBEDTLS_ERR_SSL_NO_RNG) ) 433 mbedtls_snprintf( buf, buflen, "SSL - No RNG was provided to the SSL module" ); 434 if( use_ret == -(MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE) ) 435 mbedtls_snprintf( buf, buflen, "SSL - No client certification received from the client, but required by the authentication mode" ); 436 if( use_ret == -(MBEDTLS_ERR_SSL_CERTIFICATE_TOO_LARGE) ) 437 mbedtls_snprintf( buf, buflen, "SSL - Our own certificate(s) is/are too large to send in an SSL message" ); 438 if( use_ret == -(MBEDTLS_ERR_SSL_CERTIFICATE_REQUIRED) ) 439 mbedtls_snprintf( buf, buflen, "SSL - The own certificate is not set, but needed by the server" ); 440 if( use_ret == -(MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED) ) 441 mbedtls_snprintf( buf, buflen, "SSL - The own private key or pre-shared key is not set, but needed" ); 442 if( use_ret == -(MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED) ) 443 mbedtls_snprintf( buf, buflen, "SSL - No CA Chain is set, but required to operate" ); 444 if( use_ret == -(MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE) ) 445 mbedtls_snprintf( buf, buflen, "SSL - An unexpected message was received from our peer" ); 446 if( use_ret == -(MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE) ) 447 { 448 mbedtls_snprintf( buf, buflen, "SSL - A fatal alert message was received from our peer" ); 449 return; 450 } 451 if( use_ret == -(MBEDTLS_ERR_SSL_PEER_VERIFY_FAILED) ) 452 mbedtls_snprintf( buf, buflen, "SSL - Verification of our peer failed" ); 453 if( use_ret == -(MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY) ) 454 mbedtls_snprintf( buf, buflen, "SSL - The peer notified us that the connection is going to be closed" ); 455 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO) ) 456 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientHello handshake message failed" ); 457 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO) ) 458 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ServerHello handshake message failed" ); 459 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE) ) 460 mbedtls_snprintf( buf, buflen, "SSL - Processing of the Certificate handshake message failed" ); 461 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST) ) 462 mbedtls_snprintf( buf, buflen, "SSL - Processing of the CertificateRequest handshake message failed" ); 463 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE) ) 464 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ServerKeyExchange handshake message failed" ); 465 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO_DONE) ) 466 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ServerHelloDone handshake message failed" ); 467 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE) ) 468 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed" ); 469 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP) ) 470 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Read Public" ); 471 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_CS) ) 472 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Calculate Secret" ); 473 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY) ) 474 mbedtls_snprintf( buf, buflen, "SSL - Processing of the CertificateVerify handshake message failed" ); 475 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CHANGE_CIPHER_SPEC) ) 476 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ChangeCipherSpec handshake message failed" ); 477 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_FINISHED) ) 478 mbedtls_snprintf( buf, buflen, "SSL - Processing of the Finished handshake message failed" ); 479 if( use_ret == -(MBEDTLS_ERR_SSL_ALLOC_FAILED) ) 480 mbedtls_snprintf( buf, buflen, "SSL - Memory allocation failed" ); 481 if( use_ret == -(MBEDTLS_ERR_SSL_HW_ACCEL_FAILED) ) 482 mbedtls_snprintf( buf, buflen, "SSL - Hardware acceleration function returned with error" ); 483 if( use_ret == -(MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH) ) 484 mbedtls_snprintf( buf, buflen, "SSL - Hardware acceleration function skipped / left alone data" ); 485 if( use_ret == -(MBEDTLS_ERR_SSL_COMPRESSION_FAILED) ) 486 mbedtls_snprintf( buf, buflen, "SSL - Processing of the compression / decompression failed" ); 487 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION) ) 488 mbedtls_snprintf( buf, buflen, "SSL - Handshake protocol not within min/max boundaries" ); 489 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET) ) 490 mbedtls_snprintf( buf, buflen, "SSL - Processing of the NewSessionTicket handshake message failed" ); 491 if( use_ret == -(MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED) ) 492 mbedtls_snprintf( buf, buflen, "SSL - Session ticket has expired" ); 493 if( use_ret == -(MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH) ) 494 mbedtls_snprintf( buf, buflen, "SSL - Public key type mismatch (eg, asked for RSA key exchange and presented EC key)" ); 495 if( use_ret == -(MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY) ) 496 mbedtls_snprintf( buf, buflen, "SSL - Unknown identity received (eg, PSK identity)" ); 497 if( use_ret == -(MBEDTLS_ERR_SSL_INTERNAL_ERROR) ) 498 mbedtls_snprintf( buf, buflen, "SSL - Internal error (eg, unexpected failure in lower-level module)" ); 499 if( use_ret == -(MBEDTLS_ERR_SSL_COUNTER_WRAPPING) ) 500 mbedtls_snprintf( buf, buflen, "SSL - A counter would wrap (eg, too many messages exchanged)" ); 501 if( use_ret == -(MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO) ) 502 mbedtls_snprintf( buf, buflen, "SSL - Unexpected message at ServerHello in renegotiation" ); 503 if( use_ret == -(MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED) ) 504 mbedtls_snprintf( buf, buflen, "SSL - DTLS client must retry for hello verification" ); 505 if( use_ret == -(MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL) ) 506 mbedtls_snprintf( buf, buflen, "SSL - A buffer is too small to receive or write a message" ); 507 if( use_ret == -(MBEDTLS_ERR_SSL_NO_USABLE_CIPHERSUITE) ) 508 mbedtls_snprintf( buf, buflen, "SSL - None of the common ciphersuites is usable (eg, no suitable certificate, see debug messages)" ); 509 if( use_ret == -(MBEDTLS_ERR_SSL_WANT_READ) ) 510 mbedtls_snprintf( buf, buflen, "SSL - No data of requested type currently available on underlying transport" ); 511 if( use_ret == -(MBEDTLS_ERR_SSL_WANT_WRITE) ) 512 mbedtls_snprintf( buf, buflen, "SSL - Connection requires a write call" ); 513 if( use_ret == -(MBEDTLS_ERR_SSL_TIMEOUT) ) 514 mbedtls_snprintf( buf, buflen, "SSL - The operation timed out" ); 515 if( use_ret == -(MBEDTLS_ERR_SSL_CLIENT_RECONNECT) ) 516 mbedtls_snprintf( buf, buflen, "SSL - The client initiated a reconnect from the same port" ); 517 if( use_ret == -(MBEDTLS_ERR_SSL_UNEXPECTED_RECORD) ) 518 mbedtls_snprintf( buf, buflen, "SSL - Record header looks valid but is not expected" ); 519 if( use_ret == -(MBEDTLS_ERR_SSL_NON_FATAL) ) 520 mbedtls_snprintf( buf, buflen, "SSL - The alert message received indicates a non-fatal error" ); 521 if( use_ret == -(MBEDTLS_ERR_SSL_INVALID_VERIFY_HASH) ) 522 mbedtls_snprintf( buf, buflen, "SSL - Couldn't set the hash for verifying CertificateVerify" ); 523 if( use_ret == -(MBEDTLS_ERR_SSL_CONTINUE_PROCESSING) ) 524 mbedtls_snprintf( buf, buflen, "SSL - Internal-only message signaling that further message-processing should be done" ); 525 if( use_ret == -(MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS) ) 526 mbedtls_snprintf( buf, buflen, "SSL - The asynchronous operation is not completed yet" ); 527 if( use_ret == -(MBEDTLS_ERR_SSL_EARLY_MESSAGE) ) 528 mbedtls_snprintf( buf, buflen, "SSL - Internal-only message signaling that a message arrived early" ); 529 if( use_ret == -(MBEDTLS_ERR_SSL_UNEXPECTED_CID) ) 530 mbedtls_snprintf( buf, buflen, "SSL - An encrypted DTLS-frame with an unexpected CID was received" ); 531 if( use_ret == -(MBEDTLS_ERR_SSL_VERSION_MISMATCH) ) 532 mbedtls_snprintf( buf, buflen, "SSL - An operation failed due to an unexpected version or configuration" ); 533 if( use_ret == -(MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) ) 534 mbedtls_snprintf( buf, buflen, "SSL - A cryptographic operation is in progress. Try again later" ); 535 #endif /* MBEDTLS_SSL_TLS_C */ 536 537 #if defined(MBEDTLS_X509_USE_C) || defined(MBEDTLS_X509_CREATE_C) 538 if( use_ret == -(MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE) ) 539 mbedtls_snprintf( buf, buflen, "X509 - Unavailable feature, e.g. RSA hashing/encryption combination" ); 540 if( use_ret == -(MBEDTLS_ERR_X509_UNKNOWN_OID) ) 541 mbedtls_snprintf( buf, buflen, "X509 - Requested OID is unknown" ); 542 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_FORMAT) ) 543 mbedtls_snprintf( buf, buflen, "X509 - The CRT/CRL/CSR format is invalid, e.g. different type expected" ); 544 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_VERSION) ) 545 mbedtls_snprintf( buf, buflen, "X509 - The CRT/CRL/CSR version element is invalid" ); 546 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_SERIAL) ) 547 mbedtls_snprintf( buf, buflen, "X509 - The serial tag or value is invalid" ); 548 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_ALG) ) 549 mbedtls_snprintf( buf, buflen, "X509 - The algorithm tag or value is invalid" ); 550 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_NAME) ) 551 mbedtls_snprintf( buf, buflen, "X509 - The name tag or value is invalid" ); 552 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_DATE) ) 553 mbedtls_snprintf( buf, buflen, "X509 - The date tag or value is invalid" ); 554 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_SIGNATURE) ) 555 mbedtls_snprintf( buf, buflen, "X509 - The signature tag or value invalid" ); 556 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_EXTENSIONS) ) 557 mbedtls_snprintf( buf, buflen, "X509 - The extension tag or value is invalid" ); 558 if( use_ret == -(MBEDTLS_ERR_X509_UNKNOWN_VERSION) ) 559 mbedtls_snprintf( buf, buflen, "X509 - CRT/CRL/CSR has an unsupported version number" ); 560 if( use_ret == -(MBEDTLS_ERR_X509_UNKNOWN_SIG_ALG) ) 561 mbedtls_snprintf( buf, buflen, "X509 - Signature algorithm (oid) is unsupported" ); 562 if( use_ret == -(MBEDTLS_ERR_X509_SIG_MISMATCH) ) 563 mbedtls_snprintf( buf, buflen, "X509 - Signature algorithms do not match. (see \\c ::mbedtls_x509_crt sig_oid)" ); 564 if( use_ret == -(MBEDTLS_ERR_X509_CERT_VERIFY_FAILED) ) 565 mbedtls_snprintf( buf, buflen, "X509 - Certificate verification failed, e.g. CRL, CA or signature check failed" ); 566 if( use_ret == -(MBEDTLS_ERR_X509_CERT_UNKNOWN_FORMAT) ) 567 mbedtls_snprintf( buf, buflen, "X509 - Format not recognized as DER or PEM" ); 568 if( use_ret == -(MBEDTLS_ERR_X509_BAD_INPUT_DATA) ) 569 mbedtls_snprintf( buf, buflen, "X509 - Input invalid" ); 570 if( use_ret == -(MBEDTLS_ERR_X509_ALLOC_FAILED) ) 571 mbedtls_snprintf( buf, buflen, "X509 - Allocation of memory failed" ); 572 if( use_ret == -(MBEDTLS_ERR_X509_FILE_IO_ERROR) ) 573 mbedtls_snprintf( buf, buflen, "X509 - Read/write of file failed" ); 574 if( use_ret == -(MBEDTLS_ERR_X509_BUFFER_TOO_SMALL) ) 575 mbedtls_snprintf( buf, buflen, "X509 - Destination buffer is too small" ); 576 if( use_ret == -(MBEDTLS_ERR_X509_FATAL_ERROR) ) 577 mbedtls_snprintf( buf, buflen, "X509 - A fatal error occurred, eg the chain is too long or the vrfy callback failed" ); 578 #endif /* MBEDTLS_X509_USE_C || MBEDTLS_X509_CREATE_C */ 579 // END generated code 580 581 if( strlen( buf ) == 0 ) 582 mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret ); 583 } 584 585 use_ret = ret & ~0xFF80; 586 587 if( use_ret == 0 ) 588 return; 589 590 // If high level code is present, make a concatenation between both 591 // error strings. 592 // 593 len = strlen( buf ); 594 595 if( len > 0 ) 596 { 597 if( buflen - len < 5 ) 598 return; 599 600 mbedtls_snprintf( buf + len, buflen - len, " : " ); 601 602 buf += len + 3; 603 buflen -= len + 3; 604 } 605 606 // Low level error codes 607 // 608 // BEGIN generated code 609 #if defined(MBEDTLS_AES_C) 610 if( use_ret == -(MBEDTLS_ERR_AES_INVALID_KEY_LENGTH) ) 611 mbedtls_snprintf( buf, buflen, "AES - Invalid key length" ); 612 if( use_ret == -(MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH) ) 613 mbedtls_snprintf( buf, buflen, "AES - Invalid data input length" ); 614 if( use_ret == -(MBEDTLS_ERR_AES_BAD_INPUT_DATA) ) 615 mbedtls_snprintf( buf, buflen, "AES - Invalid input data" ); 616 if( use_ret == -(MBEDTLS_ERR_AES_FEATURE_UNAVAILABLE) ) 617 mbedtls_snprintf( buf, buflen, "AES - Feature not available. For example, an unsupported AES key size" ); 618 if( use_ret == -(MBEDTLS_ERR_AES_HW_ACCEL_FAILED) ) 619 mbedtls_snprintf( buf, buflen, "AES - AES hardware accelerator failed" ); 620 #endif /* MBEDTLS_AES_C */ 621 622 #if defined(MBEDTLS_ARC4_C) 623 if( use_ret == -(MBEDTLS_ERR_ARC4_HW_ACCEL_FAILED) ) 624 mbedtls_snprintf( buf, buflen, "ARC4 - ARC4 hardware accelerator failed" ); 625 #endif /* MBEDTLS_ARC4_C */ 626 627 #if defined(MBEDTLS_ARIA_C) 628 if( use_ret == -(MBEDTLS_ERR_ARIA_BAD_INPUT_DATA) ) 629 mbedtls_snprintf( buf, buflen, "ARIA - Bad input data" ); 630 if( use_ret == -(MBEDTLS_ERR_ARIA_INVALID_INPUT_LENGTH) ) 631 mbedtls_snprintf( buf, buflen, "ARIA - Invalid data input length" ); 632 if( use_ret == -(MBEDTLS_ERR_ARIA_FEATURE_UNAVAILABLE) ) 633 mbedtls_snprintf( buf, buflen, "ARIA - Feature not available. For example, an unsupported ARIA key size" ); 634 if( use_ret == -(MBEDTLS_ERR_ARIA_HW_ACCEL_FAILED) ) 635 mbedtls_snprintf( buf, buflen, "ARIA - ARIA hardware accelerator failed" ); 636 #endif /* MBEDTLS_ARIA_C */ 637 638 #if defined(MBEDTLS_ASN1_PARSE_C) 639 if( use_ret == -(MBEDTLS_ERR_ASN1_OUT_OF_DATA) ) 640 mbedtls_snprintf( buf, buflen, "ASN1 - Out of data when parsing an ASN1 data structure" ); 641 if( use_ret == -(MBEDTLS_ERR_ASN1_UNEXPECTED_TAG) ) 642 mbedtls_snprintf( buf, buflen, "ASN1 - ASN1 tag was of an unexpected value" ); 643 if( use_ret == -(MBEDTLS_ERR_ASN1_INVALID_LENGTH) ) 644 mbedtls_snprintf( buf, buflen, "ASN1 - Error when trying to determine the length or invalid length" ); 645 if( use_ret == -(MBEDTLS_ERR_ASN1_LENGTH_MISMATCH) ) 646 mbedtls_snprintf( buf, buflen, "ASN1 - Actual length differs from expected length" ); 647 if( use_ret == -(MBEDTLS_ERR_ASN1_INVALID_DATA) ) 648 mbedtls_snprintf( buf, buflen, "ASN1 - Data is invalid" ); 649 if( use_ret == -(MBEDTLS_ERR_ASN1_ALLOC_FAILED) ) 650 mbedtls_snprintf( buf, buflen, "ASN1 - Memory allocation failed" ); 651 if( use_ret == -(MBEDTLS_ERR_ASN1_BUF_TOO_SMALL) ) 652 mbedtls_snprintf( buf, buflen, "ASN1 - Buffer too small when writing ASN.1 data structure" ); 653 #endif /* MBEDTLS_ASN1_PARSE_C */ 654 655 #if defined(MBEDTLS_BASE64_C) 656 if( use_ret == -(MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL) ) 657 mbedtls_snprintf( buf, buflen, "BASE64 - Output buffer too small" ); 658 if( use_ret == -(MBEDTLS_ERR_BASE64_INVALID_CHARACTER) ) 659 mbedtls_snprintf( buf, buflen, "BASE64 - Invalid character in input" ); 660 #endif /* MBEDTLS_BASE64_C */ 661 662 #if defined(MBEDTLS_BIGNUM_C) 663 if( use_ret == -(MBEDTLS_ERR_MPI_FILE_IO_ERROR) ) 664 mbedtls_snprintf( buf, buflen, "BIGNUM - An error occurred while reading from or writing to a file" ); 665 if( use_ret == -(MBEDTLS_ERR_MPI_BAD_INPUT_DATA) ) 666 mbedtls_snprintf( buf, buflen, "BIGNUM - Bad input parameters to function" ); 667 if( use_ret == -(MBEDTLS_ERR_MPI_INVALID_CHARACTER) ) 668 mbedtls_snprintf( buf, buflen, "BIGNUM - There is an invalid character in the digit string" ); 669 if( use_ret == -(MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL) ) 670 mbedtls_snprintf( buf, buflen, "BIGNUM - The buffer is too small to write to" ); 671 if( use_ret == -(MBEDTLS_ERR_MPI_NEGATIVE_VALUE) ) 672 mbedtls_snprintf( buf, buflen, "BIGNUM - The input arguments are negative or result in illegal output" ); 673 if( use_ret == -(MBEDTLS_ERR_MPI_DIVISION_BY_ZERO) ) 674 mbedtls_snprintf( buf, buflen, "BIGNUM - The input argument for division is zero, which is not allowed" ); 675 if( use_ret == -(MBEDTLS_ERR_MPI_NOT_ACCEPTABLE) ) 676 mbedtls_snprintf( buf, buflen, "BIGNUM - The input arguments are not acceptable" ); 677 if( use_ret == -(MBEDTLS_ERR_MPI_ALLOC_FAILED) ) 678 mbedtls_snprintf( buf, buflen, "BIGNUM - Memory allocation failed" ); 679 #endif /* MBEDTLS_BIGNUM_C */ 680 681 #if defined(MBEDTLS_BLOWFISH_C) 682 if( use_ret == -(MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA) ) 683 mbedtls_snprintf( buf, buflen, "BLOWFISH - Bad input data" ); 684 if( use_ret == -(MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH) ) 685 mbedtls_snprintf( buf, buflen, "BLOWFISH - Invalid data input length" ); 686 if( use_ret == -(MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED) ) 687 mbedtls_snprintf( buf, buflen, "BLOWFISH - Blowfish hardware accelerator failed" ); 688 #endif /* MBEDTLS_BLOWFISH_C */ 689 690 #if defined(MBEDTLS_CAMELLIA_C) 691 if( use_ret == -(MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA) ) 692 mbedtls_snprintf( buf, buflen, "CAMELLIA - Bad input data" ); 693 if( use_ret == -(MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH) ) 694 mbedtls_snprintf( buf, buflen, "CAMELLIA - Invalid data input length" ); 695 if( use_ret == -(MBEDTLS_ERR_CAMELLIA_HW_ACCEL_FAILED) ) 696 mbedtls_snprintf( buf, buflen, "CAMELLIA - Camellia hardware accelerator failed" ); 697 #endif /* MBEDTLS_CAMELLIA_C */ 698 699 #if defined(MBEDTLS_CCM_C) 700 if( use_ret == -(MBEDTLS_ERR_CCM_BAD_INPUT) ) 701 mbedtls_snprintf( buf, buflen, "CCM - Bad input parameters to the function" ); 702 if( use_ret == -(MBEDTLS_ERR_CCM_AUTH_FAILED) ) 703 mbedtls_snprintf( buf, buflen, "CCM - Authenticated decryption failed" ); 704 if( use_ret == -(MBEDTLS_ERR_CCM_HW_ACCEL_FAILED) ) 705 mbedtls_snprintf( buf, buflen, "CCM - CCM hardware accelerator failed" ); 706 #endif /* MBEDTLS_CCM_C */ 707 708 #if defined(MBEDTLS_CHACHA20_C) 709 if( use_ret == -(MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA) ) 710 mbedtls_snprintf( buf, buflen, "CHACHA20 - Invalid input parameter(s)" ); 711 if( use_ret == -(MBEDTLS_ERR_CHACHA20_FEATURE_UNAVAILABLE) ) 712 mbedtls_snprintf( buf, buflen, "CHACHA20 - Feature not available. For example, s part of the API is not implemented" ); 713 if( use_ret == -(MBEDTLS_ERR_CHACHA20_HW_ACCEL_FAILED) ) 714 mbedtls_snprintf( buf, buflen, "CHACHA20 - Chacha20 hardware accelerator failed" ); 715 #endif /* MBEDTLS_CHACHA20_C */ 716 717 #if defined(MBEDTLS_CHACHAPOLY_C) 718 if( use_ret == -(MBEDTLS_ERR_CHACHAPOLY_BAD_STATE) ) 719 mbedtls_snprintf( buf, buflen, "CHACHAPOLY - The requested operation is not permitted in the current state" ); 720 if( use_ret == -(MBEDTLS_ERR_CHACHAPOLY_AUTH_FAILED) ) 721 mbedtls_snprintf( buf, buflen, "CHACHAPOLY - Authenticated decryption failed: data was not authentic" ); 722 #endif /* MBEDTLS_CHACHAPOLY_C */ 723 724 #if defined(MBEDTLS_CMAC_C) 725 if( use_ret == -(MBEDTLS_ERR_CMAC_HW_ACCEL_FAILED) ) 726 mbedtls_snprintf( buf, buflen, "CMAC - CMAC hardware accelerator failed" ); 727 #endif /* MBEDTLS_CMAC_C */ 728 729 #if defined(MBEDTLS_CTR_DRBG_C) 730 if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED) ) 731 mbedtls_snprintf( buf, buflen, "CTR_DRBG - The entropy source failed" ); 732 if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_REQUEST_TOO_BIG) ) 733 mbedtls_snprintf( buf, buflen, "CTR_DRBG - The requested random buffer length is too big" ); 734 if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG) ) 735 mbedtls_snprintf( buf, buflen, "CTR_DRBG - The input (entropy + additional data) is too large" ); 736 if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR) ) 737 mbedtls_snprintf( buf, buflen, "CTR_DRBG - Read or write error in file" ); 738 #endif /* MBEDTLS_CTR_DRBG_C */ 739 740 #if defined(MBEDTLS_DES_C) 741 if( use_ret == -(MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH) ) 742 mbedtls_snprintf( buf, buflen, "DES - The data input has an invalid length" ); 743 if( use_ret == -(MBEDTLS_ERR_DES_HW_ACCEL_FAILED) ) 744 mbedtls_snprintf( buf, buflen, "DES - DES hardware accelerator failed" ); 745 #endif /* MBEDTLS_DES_C */ 746 747 #if defined(MBEDTLS_ENTROPY_C) 748 if( use_ret == -(MBEDTLS_ERR_ENTROPY_SOURCE_FAILED) ) 749 mbedtls_snprintf( buf, buflen, "ENTROPY - Critical entropy source failure" ); 750 if( use_ret == -(MBEDTLS_ERR_ENTROPY_MAX_SOURCES) ) 751 mbedtls_snprintf( buf, buflen, "ENTROPY - No more sources can be added" ); 752 if( use_ret == -(MBEDTLS_ERR_ENTROPY_NO_SOURCES_DEFINED) ) 753 mbedtls_snprintf( buf, buflen, "ENTROPY - No sources have been added to poll" ); 754 if( use_ret == -(MBEDTLS_ERR_ENTROPY_NO_STRONG_SOURCE) ) 755 mbedtls_snprintf( buf, buflen, "ENTROPY - No strong sources have been added to poll" ); 756 if( use_ret == -(MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR) ) 757 mbedtls_snprintf( buf, buflen, "ENTROPY - Read/write error in file" ); 758 #endif /* MBEDTLS_ENTROPY_C */ 759 760 #if defined(MBEDTLS_ERROR_C) 761 if( use_ret == -(MBEDTLS_ERR_ERROR_GENERIC_ERROR) ) 762 mbedtls_snprintf( buf, buflen, "ERROR - Generic error" ); 763 if( use_ret == -(MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED) ) 764 mbedtls_snprintf( buf, buflen, "ERROR - This is a bug in the library" ); 765 #endif /* MBEDTLS_ERROR_C */ 766 767 #if defined(MBEDTLS_GCM_C) 768 if( use_ret == -(MBEDTLS_ERR_GCM_AUTH_FAILED) ) 769 mbedtls_snprintf( buf, buflen, "GCM - Authenticated decryption failed" ); 770 if( use_ret == -(MBEDTLS_ERR_GCM_HW_ACCEL_FAILED) ) 771 mbedtls_snprintf( buf, buflen, "GCM - GCM hardware accelerator failed" ); 772 if( use_ret == -(MBEDTLS_ERR_GCM_BAD_INPUT) ) 773 mbedtls_snprintf( buf, buflen, "GCM - Bad input parameters to function" ); 774 #endif /* MBEDTLS_GCM_C */ 775 776 #if defined(MBEDTLS_HKDF_C) 777 if( use_ret == -(MBEDTLS_ERR_HKDF_BAD_INPUT_DATA) ) 778 mbedtls_snprintf( buf, buflen, "HKDF - Bad input parameters to function" ); 779 #endif /* MBEDTLS_HKDF_C */ 780 781 #if defined(MBEDTLS_HMAC_DRBG_C) 782 if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_REQUEST_TOO_BIG) ) 783 mbedtls_snprintf( buf, buflen, "HMAC_DRBG - Too many random requested in single call" ); 784 if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG) ) 785 mbedtls_snprintf( buf, buflen, "HMAC_DRBG - Input too large (Entropy + additional)" ); 786 if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_FILE_IO_ERROR) ) 787 mbedtls_snprintf( buf, buflen, "HMAC_DRBG - Read/write error in file" ); 788 if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED) ) 789 mbedtls_snprintf( buf, buflen, "HMAC_DRBG - The entropy source failed" ); 790 #endif /* MBEDTLS_HMAC_DRBG_C */ 791 792 #if defined(MBEDTLS_MD2_C) 793 if( use_ret == -(MBEDTLS_ERR_MD2_HW_ACCEL_FAILED) ) 794 mbedtls_snprintf( buf, buflen, "MD2 - MD2 hardware accelerator failed" ); 795 #endif /* MBEDTLS_MD2_C */ 796 797 #if defined(MBEDTLS_MD4_C) 798 if( use_ret == -(MBEDTLS_ERR_MD4_HW_ACCEL_FAILED) ) 799 mbedtls_snprintf( buf, buflen, "MD4 - MD4 hardware accelerator failed" ); 800 #endif /* MBEDTLS_MD4_C */ 801 802 #if defined(MBEDTLS_MD5_C) 803 if( use_ret == -(MBEDTLS_ERR_MD5_HW_ACCEL_FAILED) ) 804 mbedtls_snprintf( buf, buflen, "MD5 - MD5 hardware accelerator failed" ); 805 #endif /* MBEDTLS_MD5_C */ 806 807 #if defined(MBEDTLS_NET_C) 808 if( use_ret == -(MBEDTLS_ERR_NET_SOCKET_FAILED) ) 809 mbedtls_snprintf( buf, buflen, "NET - Failed to open a socket" ); 810 if( use_ret == -(MBEDTLS_ERR_NET_CONNECT_FAILED) ) 811 mbedtls_snprintf( buf, buflen, "NET - The connection to the given server / port failed" ); 812 if( use_ret == -(MBEDTLS_ERR_NET_BIND_FAILED) ) 813 mbedtls_snprintf( buf, buflen, "NET - Binding of the socket failed" ); 814 if( use_ret == -(MBEDTLS_ERR_NET_LISTEN_FAILED) ) 815 mbedtls_snprintf( buf, buflen, "NET - Could not listen on the socket" ); 816 if( use_ret == -(MBEDTLS_ERR_NET_ACCEPT_FAILED) ) 817 mbedtls_snprintf( buf, buflen, "NET - Could not accept the incoming connection" ); 818 if( use_ret == -(MBEDTLS_ERR_NET_RECV_FAILED) ) 819 mbedtls_snprintf( buf, buflen, "NET - Reading information from the socket failed" ); 820 if( use_ret == -(MBEDTLS_ERR_NET_SEND_FAILED) ) 821 mbedtls_snprintf( buf, buflen, "NET - Sending information through the socket failed" ); 822 if( use_ret == -(MBEDTLS_ERR_NET_CONN_RESET) ) 823 mbedtls_snprintf( buf, buflen, "NET - Connection was reset by peer" ); 824 if( use_ret == -(MBEDTLS_ERR_NET_UNKNOWN_HOST) ) 825 mbedtls_snprintf( buf, buflen, "NET - Failed to get an IP address for the given hostname" ); 826 if( use_ret == -(MBEDTLS_ERR_NET_BUFFER_TOO_SMALL) ) 827 mbedtls_snprintf( buf, buflen, "NET - Buffer is too small to hold the data" ); 828 if( use_ret == -(MBEDTLS_ERR_NET_INVALID_CONTEXT) ) 829 mbedtls_snprintf( buf, buflen, "NET - The context is invalid, eg because it was free()ed" ); 830 if( use_ret == -(MBEDTLS_ERR_NET_POLL_FAILED) ) 831 mbedtls_snprintf( buf, buflen, "NET - Polling the net context failed" ); 832 if( use_ret == -(MBEDTLS_ERR_NET_BAD_INPUT_DATA) ) 833 mbedtls_snprintf( buf, buflen, "NET - Input invalid" ); 834 #endif /* MBEDTLS_NET_C */ 835 836 #if defined(MBEDTLS_OID_C) 837 if( use_ret == -(MBEDTLS_ERR_OID_NOT_FOUND) ) 838 mbedtls_snprintf( buf, buflen, "OID - OID is not found" ); 839 if( use_ret == -(MBEDTLS_ERR_OID_BUF_TOO_SMALL) ) 840 mbedtls_snprintf( buf, buflen, "OID - output buffer is too small" ); 841 #endif /* MBEDTLS_OID_C */ 842 843 #if defined(MBEDTLS_PADLOCK_C) 844 if( use_ret == -(MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED) ) 845 mbedtls_snprintf( buf, buflen, "PADLOCK - Input data should be aligned" ); 846 #endif /* MBEDTLS_PADLOCK_C */ 847 848 #if defined(MBEDTLS_PLATFORM_C) 849 if( use_ret == -(MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED) ) 850 mbedtls_snprintf( buf, buflen, "PLATFORM - Hardware accelerator failed" ); 851 if( use_ret == -(MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED) ) 852 mbedtls_snprintf( buf, buflen, "PLATFORM - The requested feature is not supported by the platform" ); 853 #endif /* MBEDTLS_PLATFORM_C */ 854 855 #if defined(MBEDTLS_POLY1305_C) 856 if( use_ret == -(MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA) ) 857 mbedtls_snprintf( buf, buflen, "POLY1305 - Invalid input parameter(s)" ); 858 if( use_ret == -(MBEDTLS_ERR_POLY1305_FEATURE_UNAVAILABLE) ) 859 mbedtls_snprintf( buf, buflen, "POLY1305 - Feature not available. For example, s part of the API is not implemented" ); 860 if( use_ret == -(MBEDTLS_ERR_POLY1305_HW_ACCEL_FAILED) ) 861 mbedtls_snprintf( buf, buflen, "POLY1305 - Poly1305 hardware accelerator failed" ); 862 #endif /* MBEDTLS_POLY1305_C */ 863 864 #if defined(MBEDTLS_RIPEMD160_C) 865 if( use_ret == -(MBEDTLS_ERR_RIPEMD160_HW_ACCEL_FAILED) ) 866 mbedtls_snprintf( buf, buflen, "RIPEMD160 - RIPEMD160 hardware accelerator failed" ); 867 #endif /* MBEDTLS_RIPEMD160_C */ 868 869 #if defined(MBEDTLS_SHA1_C) 870 if( use_ret == -(MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED) ) 871 mbedtls_snprintf( buf, buflen, "SHA1 - SHA-1 hardware accelerator failed" ); 872 if( use_ret == -(MBEDTLS_ERR_SHA1_BAD_INPUT_DATA) ) 873 mbedtls_snprintf( buf, buflen, "SHA1 - SHA-1 input data was malformed" ); 874 #endif /* MBEDTLS_SHA1_C */ 875 876 #if defined(MBEDTLS_SHA256_C) 877 if( use_ret == -(MBEDTLS_ERR_SHA256_HW_ACCEL_FAILED) ) 878 mbedtls_snprintf( buf, buflen, "SHA256 - SHA-256 hardware accelerator failed" ); 879 if( use_ret == -(MBEDTLS_ERR_SHA256_BAD_INPUT_DATA) ) 880 mbedtls_snprintf( buf, buflen, "SHA256 - SHA-256 input data was malformed" ); 881 #endif /* MBEDTLS_SHA256_C */ 882 883 #if defined(MBEDTLS_SHA512_C) 884 if( use_ret == -(MBEDTLS_ERR_SHA512_HW_ACCEL_FAILED) ) 885 mbedtls_snprintf( buf, buflen, "SHA512 - SHA-512 hardware accelerator failed" ); 886 if( use_ret == -(MBEDTLS_ERR_SHA512_BAD_INPUT_DATA) ) 887 mbedtls_snprintf( buf, buflen, "SHA512 - SHA-512 input data was malformed" ); 888 #endif /* MBEDTLS_SHA512_C */ 889 890 #if defined(MBEDTLS_THREADING_C) 891 if( use_ret == -(MBEDTLS_ERR_THREADING_FEATURE_UNAVAILABLE) ) 892 mbedtls_snprintf( buf, buflen, "THREADING - The selected feature is not available" ); 893 if( use_ret == -(MBEDTLS_ERR_THREADING_BAD_INPUT_DATA) ) 894 mbedtls_snprintf( buf, buflen, "THREADING - Bad input parameters to function" ); 895 if( use_ret == -(MBEDTLS_ERR_THREADING_MUTEX_ERROR) ) 896 mbedtls_snprintf( buf, buflen, "THREADING - Locking / unlocking / free failed with error code" ); 897 #endif /* MBEDTLS_THREADING_C */ 898 899 #if defined(MBEDTLS_XTEA_C) 900 if( use_ret == -(MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH) ) 901 mbedtls_snprintf( buf, buflen, "XTEA - The data input has an invalid length" ); 902 if( use_ret == -(MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED) ) 903 mbedtls_snprintf( buf, buflen, "XTEA - XTEA hardware accelerator failed" ); 904 #endif /* MBEDTLS_XTEA_C */ 905 // END generated code 906 907 if( strlen( buf ) != 0 ) 908 return; 909 910 mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret ); 911 } 912 913 #else /* MBEDTLS_ERROR_C */ 914 915 #if defined(MBEDTLS_ERROR_STRERROR_DUMMY) 916 917 /* 918 * Provide an non-function in case MBEDTLS_ERROR_C is not defined 919 */ 920 void mbedtls_strerror( int ret, char *buf, size_t buflen ) 921 { 922 ((void) ret); 923 924 if( buflen > 0 ) 925 buf[0] = '\0'; 926 } 927 928 #endif /* MBEDTLS_ERROR_STRERROR_DUMMY */ 929 930 #endif /* MBEDTLS_ERROR_C */ 931