Kev Mann / mbed-dev-OS5_10_4

RTC auf true

features/mbedtls/src/error.c@0:38ceb79fef03, 2018-11-28 (annotated)

Committer:
kevman
Date:
Wed Nov 28 15:10:15 2018 +0000
Revision:
0:38ceb79fef03
RTC modified

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kevman 0:38ceb79fef03 1 /*
kevman 0:38ceb79fef03 2 * Error message information
kevman 0:38ceb79fef03 3 *
kevman 0:38ceb79fef03 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
kevman 0:38ceb79fef03 5 * SPDX-License-Identifier: Apache-2.0
kevman 0:38ceb79fef03 6 *
kevman 0:38ceb79fef03 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
kevman 0:38ceb79fef03 8 * not use this file except in compliance with the License.
kevman 0:38ceb79fef03 9 * You may obtain a copy of the License at
kevman 0:38ceb79fef03 10 *
kevman 0:38ceb79fef03 11 * http://www.apache.org/licenses/LICENSE-2.0
kevman 0:38ceb79fef03 12 *
kevman 0:38ceb79fef03 13 * Unless required by applicable law or agreed to in writing, software
kevman 0:38ceb79fef03 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
kevman 0:38ceb79fef03 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kevman 0:38ceb79fef03 16 * See the License for the specific language governing permissions and
kevman 0:38ceb79fef03 17 * limitations under the License.
kevman 0:38ceb79fef03 18 *
kevman 0:38ceb79fef03 19 * This file is part of mbed TLS (https://tls.mbed.org)
kevman 0:38ceb79fef03 20 */
kevman 0:38ceb79fef03 21
kevman 0:38ceb79fef03 22 #if !defined(MBEDTLS_CONFIG_FILE)
kevman 0:38ceb79fef03 23 #include "mbedtls/config.h"
kevman 0:38ceb79fef03 24 #else
kevman 0:38ceb79fef03 25 #include MBEDTLS_CONFIG_FILE
kevman 0:38ceb79fef03 26 #endif
kevman 0:38ceb79fef03 27
kevman 0:38ceb79fef03 28 #if defined(MBEDTLS_ERROR_C) || defined(MBEDTLS_ERROR_STRERROR_DUMMY)
kevman 0:38ceb79fef03 29 #include "mbedtls/error.h"
kevman 0:38ceb79fef03 30 #include <string.h>
kevman 0:38ceb79fef03 31 #endif
kevman 0:38ceb79fef03 32
kevman 0:38ceb79fef03 33 #if defined(MBEDTLS_PLATFORM_C)
kevman 0:38ceb79fef03 34 #include "mbedtls/platform.h"
kevman 0:38ceb79fef03 35 #else
kevman 0:38ceb79fef03 36 #define mbedtls_snprintf snprintf
kevman 0:38ceb79fef03 37 #define mbedtls_time_t time_t
kevman 0:38ceb79fef03 38 #endif
kevman 0:38ceb79fef03 39
kevman 0:38ceb79fef03 40 #if defined(MBEDTLS_ERROR_C)
kevman 0:38ceb79fef03 41
kevman 0:38ceb79fef03 42 #include <stdio.h>
kevman 0:38ceb79fef03 43
kevman 0:38ceb79fef03 44 #if defined(MBEDTLS_AES_C)
kevman 0:38ceb79fef03 45 #include "mbedtls/aes.h"
kevman 0:38ceb79fef03 46 #endif
kevman 0:38ceb79fef03 47
kevman 0:38ceb79fef03 48 #if defined(MBEDTLS_ARC4_C)
kevman 0:38ceb79fef03 49 #include "mbedtls/arc4.h"
kevman 0:38ceb79fef03 50 #endif
kevman 0:38ceb79fef03 51
kevman 0:38ceb79fef03 52 #if defined(MBEDTLS_ARIA_C)
kevman 0:38ceb79fef03 53 #include "mbedtls/aria.h"
kevman 0:38ceb79fef03 54 #endif
kevman 0:38ceb79fef03 55
kevman 0:38ceb79fef03 56 #if defined(MBEDTLS_BASE64_C)
kevman 0:38ceb79fef03 57 #include "mbedtls/base64.h"
kevman 0:38ceb79fef03 58 #endif
kevman 0:38ceb79fef03 59
kevman 0:38ceb79fef03 60 #if defined(MBEDTLS_BIGNUM_C)
kevman 0:38ceb79fef03 61 #include "mbedtls/bignum.h"
kevman 0:38ceb79fef03 62 #endif
kevman 0:38ceb79fef03 63
kevman 0:38ceb79fef03 64 #if defined(MBEDTLS_BLOWFISH_C)
kevman 0:38ceb79fef03 65 #include "mbedtls/blowfish.h"
kevman 0:38ceb79fef03 66 #endif
kevman 0:38ceb79fef03 67
kevman 0:38ceb79fef03 68 #if defined(MBEDTLS_CAMELLIA_C)
kevman 0:38ceb79fef03 69 #include "mbedtls/camellia.h"
kevman 0:38ceb79fef03 70 #endif
kevman 0:38ceb79fef03 71
kevman 0:38ceb79fef03 72 #if defined(MBEDTLS_CCM_C)
kevman 0:38ceb79fef03 73 #include "mbedtls/ccm.h"
kevman 0:38ceb79fef03 74 #endif
kevman 0:38ceb79fef03 75
kevman 0:38ceb79fef03 76 #if defined(MBEDTLS_CHACHA20_C)
kevman 0:38ceb79fef03 77 #include "mbedtls/chacha20.h"
kevman 0:38ceb79fef03 78 #endif
kevman 0:38ceb79fef03 79
kevman 0:38ceb79fef03 80 #if defined(MBEDTLS_CHACHAPOLY_C)
kevman 0:38ceb79fef03 81 #include "mbedtls/chachapoly.h"
kevman 0:38ceb79fef03 82 #endif
kevman 0:38ceb79fef03 83
kevman 0:38ceb79fef03 84 #if defined(MBEDTLS_CIPHER_C)
kevman 0:38ceb79fef03 85 #include "mbedtls/cipher.h"
kevman 0:38ceb79fef03 86 #endif
kevman 0:38ceb79fef03 87
kevman 0:38ceb79fef03 88 #if defined(MBEDTLS_CMAC_C)
kevman 0:38ceb79fef03 89 #include "mbedtls/cmac.h"
kevman 0:38ceb79fef03 90 #endif
kevman 0:38ceb79fef03 91
kevman 0:38ceb79fef03 92 #if defined(MBEDTLS_CTR_DRBG_C)
kevman 0:38ceb79fef03 93 #include "mbedtls/ctr_drbg.h"
kevman 0:38ceb79fef03 94 #endif
kevman 0:38ceb79fef03 95
kevman 0:38ceb79fef03 96 #if defined(MBEDTLS_DES_C)
kevman 0:38ceb79fef03 97 #include "mbedtls/des.h"
kevman 0:38ceb79fef03 98 #endif
kevman 0:38ceb79fef03 99
kevman 0:38ceb79fef03 100 #if defined(MBEDTLS_DHM_C)
kevman 0:38ceb79fef03 101 #include "mbedtls/dhm.h"
kevman 0:38ceb79fef03 102 #endif
kevman 0:38ceb79fef03 103
kevman 0:38ceb79fef03 104 #if defined(MBEDTLS_ECP_C)
kevman 0:38ceb79fef03 105 #include "mbedtls/ecp.h"
kevman 0:38ceb79fef03 106 #endif
kevman 0:38ceb79fef03 107
kevman 0:38ceb79fef03 108 #if defined(MBEDTLS_ENTROPY_C)
kevman 0:38ceb79fef03 109 #include "mbedtls/entropy.h"
kevman 0:38ceb79fef03 110 #endif
kevman 0:38ceb79fef03 111
kevman 0:38ceb79fef03 112 #if defined(MBEDTLS_GCM_C)
kevman 0:38ceb79fef03 113 #include "mbedtls/gcm.h"
kevman 0:38ceb79fef03 114 #endif
kevman 0:38ceb79fef03 115
kevman 0:38ceb79fef03 116 #if defined(MBEDTLS_HKDF_C)
kevman 0:38ceb79fef03 117 #include "mbedtls/hkdf.h"
kevman 0:38ceb79fef03 118 #endif
kevman 0:38ceb79fef03 119
kevman 0:38ceb79fef03 120 #if defined(MBEDTLS_HMAC_DRBG_C)
kevman 0:38ceb79fef03 121 #include "mbedtls/hmac_drbg.h"
kevman 0:38ceb79fef03 122 #endif
kevman 0:38ceb79fef03 123
kevman 0:38ceb79fef03 124 #if defined(MBEDTLS_MD_C)
kevman 0:38ceb79fef03 125 #include "mbedtls/md.h"
kevman 0:38ceb79fef03 126 #endif
kevman 0:38ceb79fef03 127
kevman 0:38ceb79fef03 128 #if defined(MBEDTLS_MD2_C)
kevman 0:38ceb79fef03 129 #include "mbedtls/md2.h"
kevman 0:38ceb79fef03 130 #endif
kevman 0:38ceb79fef03 131
kevman 0:38ceb79fef03 132 #if defined(MBEDTLS_MD4_C)
kevman 0:38ceb79fef03 133 #include "mbedtls/md4.h"
kevman 0:38ceb79fef03 134 #endif
kevman 0:38ceb79fef03 135
kevman 0:38ceb79fef03 136 #if defined(MBEDTLS_MD5_C)
kevman 0:38ceb79fef03 137 #include "mbedtls/md5.h"
kevman 0:38ceb79fef03 138 #endif
kevman 0:38ceb79fef03 139
kevman 0:38ceb79fef03 140 #if defined(MBEDTLS_NET_C)
kevman 0:38ceb79fef03 141 #include "mbedtls/net_sockets.h"
kevman 0:38ceb79fef03 142 #endif
kevman 0:38ceb79fef03 143
kevman 0:38ceb79fef03 144 #if defined(MBEDTLS_OID_C)
kevman 0:38ceb79fef03 145 #include "mbedtls/oid.h"
kevman 0:38ceb79fef03 146 #endif
kevman 0:38ceb79fef03 147
kevman 0:38ceb79fef03 148 #if defined(MBEDTLS_PADLOCK_C)
kevman 0:38ceb79fef03 149 #include "mbedtls/padlock.h"
kevman 0:38ceb79fef03 150 #endif
kevman 0:38ceb79fef03 151
kevman 0:38ceb79fef03 152 #if defined(MBEDTLS_PEM_PARSE_C) || defined(MBEDTLS_PEM_WRITE_C)
kevman 0:38ceb79fef03 153 #include "mbedtls/pem.h"
kevman 0:38ceb79fef03 154 #endif
kevman 0:38ceb79fef03 155
kevman 0:38ceb79fef03 156 #if defined(MBEDTLS_PK_C)
kevman 0:38ceb79fef03 157 #include "mbedtls/pk.h"
kevman 0:38ceb79fef03 158 #endif
kevman 0:38ceb79fef03 159
kevman 0:38ceb79fef03 160 #if defined(MBEDTLS_PKCS12_C)
kevman 0:38ceb79fef03 161 #include "mbedtls/pkcs12.h"
kevman 0:38ceb79fef03 162 #endif
kevman 0:38ceb79fef03 163
kevman 0:38ceb79fef03 164 #if defined(MBEDTLS_PKCS5_C)
kevman 0:38ceb79fef03 165 #include "mbedtls/pkcs5.h"
kevman 0:38ceb79fef03 166 #endif
kevman 0:38ceb79fef03 167
kevman 0:38ceb79fef03 168 #if defined(MBEDTLS_POLY1305_C)
kevman 0:38ceb79fef03 169 #include "mbedtls/poly1305.h"
kevman 0:38ceb79fef03 170 #endif
kevman 0:38ceb79fef03 171
kevman 0:38ceb79fef03 172 #if defined(MBEDTLS_RIPEMD160_C)
kevman 0:38ceb79fef03 173 #include "mbedtls/ripemd160.h"
kevman 0:38ceb79fef03 174 #endif
kevman 0:38ceb79fef03 175
kevman 0:38ceb79fef03 176 #if defined(MBEDTLS_RSA_C)
kevman 0:38ceb79fef03 177 #include "mbedtls/rsa.h"
kevman 0:38ceb79fef03 178 #endif
kevman 0:38ceb79fef03 179
kevman 0:38ceb79fef03 180 #if defined(MBEDTLS_SHA1_C)
kevman 0:38ceb79fef03 181 #include "mbedtls/sha1.h"
kevman 0:38ceb79fef03 182 #endif
kevman 0:38ceb79fef03 183
kevman 0:38ceb79fef03 184 #if defined(MBEDTLS_SHA256_C)
kevman 0:38ceb79fef03 185 #include "mbedtls/sha256.h"
kevman 0:38ceb79fef03 186 #endif
kevman 0:38ceb79fef03 187
kevman 0:38ceb79fef03 188 #if defined(MBEDTLS_SHA512_C)
kevman 0:38ceb79fef03 189 #include "mbedtls/sha512.h"
kevman 0:38ceb79fef03 190 #endif
kevman 0:38ceb79fef03 191
kevman 0:38ceb79fef03 192 #if defined(MBEDTLS_SSL_TLS_C)
kevman 0:38ceb79fef03 193 #include "mbedtls/ssl.h"
kevman 0:38ceb79fef03 194 #endif
kevman 0:38ceb79fef03 195
kevman 0:38ceb79fef03 196 #if defined(MBEDTLS_THREADING_C)
kevman 0:38ceb79fef03 197 #include "mbedtls/threading.h"
kevman 0:38ceb79fef03 198 #endif
kevman 0:38ceb79fef03 199
kevman 0:38ceb79fef03 200 #if defined(MBEDTLS_X509_USE_C) || defined(MBEDTLS_X509_CREATE_C)
kevman 0:38ceb79fef03 201 #include "mbedtls/x509.h"
kevman 0:38ceb79fef03 202 #endif
kevman 0:38ceb79fef03 203
kevman 0:38ceb79fef03 204 #if defined(MBEDTLS_XTEA_C)
kevman 0:38ceb79fef03 205 #include "mbedtls/xtea.h"
kevman 0:38ceb79fef03 206 #endif
kevman 0:38ceb79fef03 207
kevman 0:38ceb79fef03 208
kevman 0:38ceb79fef03 209 void mbedtls_strerror( int ret, char *buf, size_t buflen )
kevman 0:38ceb79fef03 210 {
kevman 0:38ceb79fef03 211 size_t len;
kevman 0:38ceb79fef03 212 int use_ret;
kevman 0:38ceb79fef03 213
kevman 0:38ceb79fef03 214 if( buflen == 0 )
kevman 0:38ceb79fef03 215 return;
kevman 0:38ceb79fef03 216
kevman 0:38ceb79fef03 217 memset( buf, 0x00, buflen );
kevman 0:38ceb79fef03 218
kevman 0:38ceb79fef03 219 if( ret < 0 )
kevman 0:38ceb79fef03 220 ret = -ret;
kevman 0:38ceb79fef03 221
kevman 0:38ceb79fef03 222 if( ret & 0xFF80 )
kevman 0:38ceb79fef03 223 {
kevman 0:38ceb79fef03 224 use_ret = ret & 0xFF80;
kevman 0:38ceb79fef03 225
kevman 0:38ceb79fef03 226 // High level error codes
kevman 0:38ceb79fef03 227 //
kevman 0:38ceb79fef03 228 // BEGIN generated code
kevman 0:38ceb79fef03 229 #if defined(MBEDTLS_CIPHER_C)
kevman 0:38ceb79fef03 230 if( use_ret == -(MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE) )
kevman 0:38ceb79fef03 231 mbedtls_snprintf( buf, buflen, "CIPHER - The selected feature is not available" );
kevman 0:38ceb79fef03 232 if( use_ret == -(MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA) )
kevman 0:38ceb79fef03 233 mbedtls_snprintf( buf, buflen, "CIPHER - Bad input parameters" );
kevman 0:38ceb79fef03 234 if( use_ret == -(MBEDTLS_ERR_CIPHER_ALLOC_FAILED) )
kevman 0:38ceb79fef03 235 mbedtls_snprintf( buf, buflen, "CIPHER - Failed to allocate memory" );
kevman 0:38ceb79fef03 236 if( use_ret == -(MBEDTLS_ERR_CIPHER_INVALID_PADDING) )
kevman 0:38ceb79fef03 237 mbedtls_snprintf( buf, buflen, "CIPHER - Input data contains invalid padding and is rejected" );
kevman 0:38ceb79fef03 238 if( use_ret == -(MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED) )
kevman 0:38ceb79fef03 239 mbedtls_snprintf( buf, buflen, "CIPHER - Decryption of block requires a full block" );
kevman 0:38ceb79fef03 240 if( use_ret == -(MBEDTLS_ERR_CIPHER_AUTH_FAILED) )
kevman 0:38ceb79fef03 241 mbedtls_snprintf( buf, buflen, "CIPHER - Authentication failed (for AEAD modes)" );
kevman 0:38ceb79fef03 242 if( use_ret == -(MBEDTLS_ERR_CIPHER_INVALID_CONTEXT) )
kevman 0:38ceb79fef03 243 mbedtls_snprintf( buf, buflen, "CIPHER - The context is invalid. For example, because it was freed" );
kevman 0:38ceb79fef03 244 if( use_ret == -(MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 245 mbedtls_snprintf( buf, buflen, "CIPHER - Cipher hardware accelerator failed" );
kevman 0:38ceb79fef03 246 #endif /* MBEDTLS_CIPHER_C */
kevman 0:38ceb79fef03 247
kevman 0:38ceb79fef03 248 #if defined(MBEDTLS_DHM_C)
kevman 0:38ceb79fef03 249 if( use_ret == -(MBEDTLS_ERR_DHM_BAD_INPUT_DATA) )
kevman 0:38ceb79fef03 250 mbedtls_snprintf( buf, buflen, "DHM - Bad input parameters" );
kevman 0:38ceb79fef03 251 if( use_ret == -(MBEDTLS_ERR_DHM_READ_PARAMS_FAILED) )
kevman 0:38ceb79fef03 252 mbedtls_snprintf( buf, buflen, "DHM - Reading of the DHM parameters failed" );
kevman 0:38ceb79fef03 253 if( use_ret == -(MBEDTLS_ERR_DHM_MAKE_PARAMS_FAILED) )
kevman 0:38ceb79fef03 254 mbedtls_snprintf( buf, buflen, "DHM - Making of the DHM parameters failed" );
kevman 0:38ceb79fef03 255 if( use_ret == -(MBEDTLS_ERR_DHM_READ_PUBLIC_FAILED) )
kevman 0:38ceb79fef03 256 mbedtls_snprintf( buf, buflen, "DHM - Reading of the public values failed" );
kevman 0:38ceb79fef03 257 if( use_ret == -(MBEDTLS_ERR_DHM_MAKE_PUBLIC_FAILED) )
kevman 0:38ceb79fef03 258 mbedtls_snprintf( buf, buflen, "DHM - Making of the public value failed" );
kevman 0:38ceb79fef03 259 if( use_ret == -(MBEDTLS_ERR_DHM_CALC_SECRET_FAILED) )
kevman 0:38ceb79fef03 260 mbedtls_snprintf( buf, buflen, "DHM - Calculation of the DHM secret failed" );
kevman 0:38ceb79fef03 261 if( use_ret == -(MBEDTLS_ERR_DHM_INVALID_FORMAT) )
kevman 0:38ceb79fef03 262 mbedtls_snprintf( buf, buflen, "DHM - The ASN.1 data is not formatted correctly" );
kevman 0:38ceb79fef03 263 if( use_ret == -(MBEDTLS_ERR_DHM_ALLOC_FAILED) )
kevman 0:38ceb79fef03 264 mbedtls_snprintf( buf, buflen, "DHM - Allocation of memory failed" );
kevman 0:38ceb79fef03 265 if( use_ret == -(MBEDTLS_ERR_DHM_FILE_IO_ERROR) )
kevman 0:38ceb79fef03 266 mbedtls_snprintf( buf, buflen, "DHM - Read or write of file failed" );
kevman 0:38ceb79fef03 267 if( use_ret == -(MBEDTLS_ERR_DHM_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 268 mbedtls_snprintf( buf, buflen, "DHM - DHM hardware accelerator failed" );
kevman 0:38ceb79fef03 269 if( use_ret == -(MBEDTLS_ERR_DHM_SET_GROUP_FAILED) )
kevman 0:38ceb79fef03 270 mbedtls_snprintf( buf, buflen, "DHM - Setting the modulus and generator failed" );
kevman 0:38ceb79fef03 271 #endif /* MBEDTLS_DHM_C */
kevman 0:38ceb79fef03 272
kevman 0:38ceb79fef03 273 #if defined(MBEDTLS_ECP_C)
kevman 0:38ceb79fef03 274 if( use_ret == -(MBEDTLS_ERR_ECP_BAD_INPUT_DATA) )
kevman 0:38ceb79fef03 275 mbedtls_snprintf( buf, buflen, "ECP - Bad input parameters to function" );
kevman 0:38ceb79fef03 276 if( use_ret == -(MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL) )
kevman 0:38ceb79fef03 277 mbedtls_snprintf( buf, buflen, "ECP - The buffer is too small to write to" );
kevman 0:38ceb79fef03 278 if( use_ret == -(MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE) )
kevman 0:38ceb79fef03 279 mbedtls_snprintf( buf, buflen, "ECP - The requested feature is not available, for example, the requested curve is not supported" );
kevman 0:38ceb79fef03 280 if( use_ret == -(MBEDTLS_ERR_ECP_VERIFY_FAILED) )
kevman 0:38ceb79fef03 281 mbedtls_snprintf( buf, buflen, "ECP - The signature is not valid" );
kevman 0:38ceb79fef03 282 if( use_ret == -(MBEDTLS_ERR_ECP_ALLOC_FAILED) )
kevman 0:38ceb79fef03 283 mbedtls_snprintf( buf, buflen, "ECP - Memory allocation failed" );
kevman 0:38ceb79fef03 284 if( use_ret == -(MBEDTLS_ERR_ECP_RANDOM_FAILED) )
kevman 0:38ceb79fef03 285 mbedtls_snprintf( buf, buflen, "ECP - Generation of random value, such as ephemeral key, failed" );
kevman 0:38ceb79fef03 286 if( use_ret == -(MBEDTLS_ERR_ECP_INVALID_KEY) )
kevman 0:38ceb79fef03 287 mbedtls_snprintf( buf, buflen, "ECP - Invalid private or public key" );
kevman 0:38ceb79fef03 288 if( use_ret == -(MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH) )
kevman 0:38ceb79fef03 289 mbedtls_snprintf( buf, buflen, "ECP - The buffer contains a valid signature followed by more data" );
kevman 0:38ceb79fef03 290 if( use_ret == -(MBEDTLS_ERR_ECP_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 291 mbedtls_snprintf( buf, buflen, "ECP - The ECP hardware accelerator failed" );
kevman 0:38ceb79fef03 292 #endif /* MBEDTLS_ECP_C */
kevman 0:38ceb79fef03 293
kevman 0:38ceb79fef03 294 #if defined(MBEDTLS_MD_C)
kevman 0:38ceb79fef03 295 if( use_ret == -(MBEDTLS_ERR_MD_FEATURE_UNAVAILABLE) )
kevman 0:38ceb79fef03 296 mbedtls_snprintf( buf, buflen, "MD - The selected feature is not available" );
kevman 0:38ceb79fef03 297 if( use_ret == -(MBEDTLS_ERR_MD_BAD_INPUT_DATA) )
kevman 0:38ceb79fef03 298 mbedtls_snprintf( buf, buflen, "MD - Bad input parameters to function" );
kevman 0:38ceb79fef03 299 if( use_ret == -(MBEDTLS_ERR_MD_ALLOC_FAILED) )
kevman 0:38ceb79fef03 300 mbedtls_snprintf( buf, buflen, "MD - Failed to allocate memory" );
kevman 0:38ceb79fef03 301 if( use_ret == -(MBEDTLS_ERR_MD_FILE_IO_ERROR) )
kevman 0:38ceb79fef03 302 mbedtls_snprintf( buf, buflen, "MD - Opening or reading of file failed" );
kevman 0:38ceb79fef03 303 if( use_ret == -(MBEDTLS_ERR_MD_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 304 mbedtls_snprintf( buf, buflen, "MD - MD hardware accelerator failed" );
kevman 0:38ceb79fef03 305 #endif /* MBEDTLS_MD_C */
kevman 0:38ceb79fef03 306
kevman 0:38ceb79fef03 307 #if defined(MBEDTLS_PEM_PARSE_C) || defined(MBEDTLS_PEM_WRITE_C)
kevman 0:38ceb79fef03 308 if( use_ret == -(MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT) )
kevman 0:38ceb79fef03 309 mbedtls_snprintf( buf, buflen, "PEM - No PEM header or footer found" );
kevman 0:38ceb79fef03 310 if( use_ret == -(MBEDTLS_ERR_PEM_INVALID_DATA) )
kevman 0:38ceb79fef03 311 mbedtls_snprintf( buf, buflen, "PEM - PEM string is not as expected" );
kevman 0:38ceb79fef03 312 if( use_ret == -(MBEDTLS_ERR_PEM_ALLOC_FAILED) )
kevman 0:38ceb79fef03 313 mbedtls_snprintf( buf, buflen, "PEM - Failed to allocate memory" );
kevman 0:38ceb79fef03 314 if( use_ret == -(MBEDTLS_ERR_PEM_INVALID_ENC_IV) )
kevman 0:38ceb79fef03 315 mbedtls_snprintf( buf, buflen, "PEM - RSA IV is not in hex-format" );
kevman 0:38ceb79fef03 316 if( use_ret == -(MBEDTLS_ERR_PEM_UNKNOWN_ENC_ALG) )
kevman 0:38ceb79fef03 317 mbedtls_snprintf( buf, buflen, "PEM - Unsupported key encryption algorithm" );
kevman 0:38ceb79fef03 318 if( use_ret == -(MBEDTLS_ERR_PEM_PASSWORD_REQUIRED) )
kevman 0:38ceb79fef03 319 mbedtls_snprintf( buf, buflen, "PEM - Private key password can't be empty" );
kevman 0:38ceb79fef03 320 if( use_ret == -(MBEDTLS_ERR_PEM_PASSWORD_MISMATCH) )
kevman 0:38ceb79fef03 321 mbedtls_snprintf( buf, buflen, "PEM - Given private key password does not allow for correct decryption" );
kevman 0:38ceb79fef03 322 if( use_ret == -(MBEDTLS_ERR_PEM_FEATURE_UNAVAILABLE) )
kevman 0:38ceb79fef03 323 mbedtls_snprintf( buf, buflen, "PEM - Unavailable feature, e.g. hashing/encryption combination" );
kevman 0:38ceb79fef03 324 if( use_ret == -(MBEDTLS_ERR_PEM_BAD_INPUT_DATA) )
kevman 0:38ceb79fef03 325 mbedtls_snprintf( buf, buflen, "PEM - Bad input parameters to function" );
kevman 0:38ceb79fef03 326 #endif /* MBEDTLS_PEM_PARSE_C || MBEDTLS_PEM_WRITE_C */
kevman 0:38ceb79fef03 327
kevman 0:38ceb79fef03 328 #if defined(MBEDTLS_PK_C)
kevman 0:38ceb79fef03 329 if( use_ret == -(MBEDTLS_ERR_PK_ALLOC_FAILED) )
kevman 0:38ceb79fef03 330 mbedtls_snprintf( buf, buflen, "PK - Memory allocation failed" );
kevman 0:38ceb79fef03 331 if( use_ret == -(MBEDTLS_ERR_PK_TYPE_MISMATCH) )
kevman 0:38ceb79fef03 332 mbedtls_snprintf( buf, buflen, "PK - Type mismatch, eg attempt to encrypt with an ECDSA key" );
kevman 0:38ceb79fef03 333 if( use_ret == -(MBEDTLS_ERR_PK_BAD_INPUT_DATA) )
kevman 0:38ceb79fef03 334 mbedtls_snprintf( buf, buflen, "PK - Bad input parameters to function" );
kevman 0:38ceb79fef03 335 if( use_ret == -(MBEDTLS_ERR_PK_FILE_IO_ERROR) )
kevman 0:38ceb79fef03 336 mbedtls_snprintf( buf, buflen, "PK - Read/write of file failed" );
kevman 0:38ceb79fef03 337 if( use_ret == -(MBEDTLS_ERR_PK_KEY_INVALID_VERSION) )
kevman 0:38ceb79fef03 338 mbedtls_snprintf( buf, buflen, "PK - Unsupported key version" );
kevman 0:38ceb79fef03 339 if( use_ret == -(MBEDTLS_ERR_PK_KEY_INVALID_FORMAT) )
kevman 0:38ceb79fef03 340 mbedtls_snprintf( buf, buflen, "PK - Invalid key tag or value" );
kevman 0:38ceb79fef03 341 if( use_ret == -(MBEDTLS_ERR_PK_UNKNOWN_PK_ALG) )
kevman 0:38ceb79fef03 342 mbedtls_snprintf( buf, buflen, "PK - Key algorithm is unsupported (only RSA and EC are supported)" );
kevman 0:38ceb79fef03 343 if( use_ret == -(MBEDTLS_ERR_PK_PASSWORD_REQUIRED) )
kevman 0:38ceb79fef03 344 mbedtls_snprintf( buf, buflen, "PK - Private key password can't be empty" );
kevman 0:38ceb79fef03 345 if( use_ret == -(MBEDTLS_ERR_PK_PASSWORD_MISMATCH) )
kevman 0:38ceb79fef03 346 mbedtls_snprintf( buf, buflen, "PK - Given private key password does not allow for correct decryption" );
kevman 0:38ceb79fef03 347 if( use_ret == -(MBEDTLS_ERR_PK_INVALID_PUBKEY) )
kevman 0:38ceb79fef03 348 mbedtls_snprintf( buf, buflen, "PK - The pubkey tag or value is invalid (only RSA and EC are supported)" );
kevman 0:38ceb79fef03 349 if( use_ret == -(MBEDTLS_ERR_PK_INVALID_ALG) )
kevman 0:38ceb79fef03 350 mbedtls_snprintf( buf, buflen, "PK - The algorithm tag or value is invalid" );
kevman 0:38ceb79fef03 351 if( use_ret == -(MBEDTLS_ERR_PK_UNKNOWN_NAMED_CURVE) )
kevman 0:38ceb79fef03 352 mbedtls_snprintf( buf, buflen, "PK - Elliptic curve is unsupported (only NIST curves are supported)" );
kevman 0:38ceb79fef03 353 if( use_ret == -(MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE) )
kevman 0:38ceb79fef03 354 mbedtls_snprintf( buf, buflen, "PK - Unavailable feature, e.g. RSA disabled for RSA key" );
kevman 0:38ceb79fef03 355 if( use_ret == -(MBEDTLS_ERR_PK_SIG_LEN_MISMATCH) )
kevman 0:38ceb79fef03 356 mbedtls_snprintf( buf, buflen, "PK - The buffer contains a valid signature followed by more data" );
kevman 0:38ceb79fef03 357 if( use_ret == -(MBEDTLS_ERR_PK_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 358 mbedtls_snprintf( buf, buflen, "PK - PK hardware accelerator failed" );
kevman 0:38ceb79fef03 359 #endif /* MBEDTLS_PK_C */
kevman 0:38ceb79fef03 360
kevman 0:38ceb79fef03 361 #if defined(MBEDTLS_PKCS12_C)
kevman 0:38ceb79fef03 362 if( use_ret == -(MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA) )
kevman 0:38ceb79fef03 363 mbedtls_snprintf( buf, buflen, "PKCS12 - Bad input parameters to function" );
kevman 0:38ceb79fef03 364 if( use_ret == -(MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE) )
kevman 0:38ceb79fef03 365 mbedtls_snprintf( buf, buflen, "PKCS12 - Feature not available, e.g. unsupported encryption scheme" );
kevman 0:38ceb79fef03 366 if( use_ret == -(MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT) )
kevman 0:38ceb79fef03 367 mbedtls_snprintf( buf, buflen, "PKCS12 - PBE ASN.1 data not as expected" );
kevman 0:38ceb79fef03 368 if( use_ret == -(MBEDTLS_ERR_PKCS12_PASSWORD_MISMATCH) )
kevman 0:38ceb79fef03 369 mbedtls_snprintf( buf, buflen, "PKCS12 - Given private key password does not allow for correct decryption" );
kevman 0:38ceb79fef03 370 #endif /* MBEDTLS_PKCS12_C */
kevman 0:38ceb79fef03 371
kevman 0:38ceb79fef03 372 #if defined(MBEDTLS_PKCS5_C)
kevman 0:38ceb79fef03 373 if( use_ret == -(MBEDTLS_ERR_PKCS5_BAD_INPUT_DATA) )
kevman 0:38ceb79fef03 374 mbedtls_snprintf( buf, buflen, "PKCS5 - Bad input parameters to function" );
kevman 0:38ceb79fef03 375 if( use_ret == -(MBEDTLS_ERR_PKCS5_INVALID_FORMAT) )
kevman 0:38ceb79fef03 376 mbedtls_snprintf( buf, buflen, "PKCS5 - Unexpected ASN.1 data" );
kevman 0:38ceb79fef03 377 if( use_ret == -(MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE) )
kevman 0:38ceb79fef03 378 mbedtls_snprintf( buf, buflen, "PKCS5 - Requested encryption or digest alg not available" );
kevman 0:38ceb79fef03 379 if( use_ret == -(MBEDTLS_ERR_PKCS5_PASSWORD_MISMATCH) )
kevman 0:38ceb79fef03 380 mbedtls_snprintf( buf, buflen, "PKCS5 - Given private key password does not allow for correct decryption" );
kevman 0:38ceb79fef03 381 #endif /* MBEDTLS_PKCS5_C */
kevman 0:38ceb79fef03 382
kevman 0:38ceb79fef03 383 #if defined(MBEDTLS_RSA_C)
kevman 0:38ceb79fef03 384 if( use_ret == -(MBEDTLS_ERR_RSA_BAD_INPUT_DATA) )
kevman 0:38ceb79fef03 385 mbedtls_snprintf( buf, buflen, "RSA - Bad input parameters to function" );
kevman 0:38ceb79fef03 386 if( use_ret == -(MBEDTLS_ERR_RSA_INVALID_PADDING) )
kevman 0:38ceb79fef03 387 mbedtls_snprintf( buf, buflen, "RSA - Input data contains invalid padding and is rejected" );
kevman 0:38ceb79fef03 388 if( use_ret == -(MBEDTLS_ERR_RSA_KEY_GEN_FAILED) )
kevman 0:38ceb79fef03 389 mbedtls_snprintf( buf, buflen, "RSA - Something failed during generation of a key" );
kevman 0:38ceb79fef03 390 if( use_ret == -(MBEDTLS_ERR_RSA_KEY_CHECK_FAILED) )
kevman 0:38ceb79fef03 391 mbedtls_snprintf( buf, buflen, "RSA - Key failed to pass the validity check of the library" );
kevman 0:38ceb79fef03 392 if( use_ret == -(MBEDTLS_ERR_RSA_PUBLIC_FAILED) )
kevman 0:38ceb79fef03 393 mbedtls_snprintf( buf, buflen, "RSA - The public key operation failed" );
kevman 0:38ceb79fef03 394 if( use_ret == -(MBEDTLS_ERR_RSA_PRIVATE_FAILED) )
kevman 0:38ceb79fef03 395 mbedtls_snprintf( buf, buflen, "RSA - The private key operation failed" );
kevman 0:38ceb79fef03 396 if( use_ret == -(MBEDTLS_ERR_RSA_VERIFY_FAILED) )
kevman 0:38ceb79fef03 397 mbedtls_snprintf( buf, buflen, "RSA - The PKCS#1 verification failed" );
kevman 0:38ceb79fef03 398 if( use_ret == -(MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE) )
kevman 0:38ceb79fef03 399 mbedtls_snprintf( buf, buflen, "RSA - The output buffer for decryption is not large enough" );
kevman 0:38ceb79fef03 400 if( use_ret == -(MBEDTLS_ERR_RSA_RNG_FAILED) )
kevman 0:38ceb79fef03 401 mbedtls_snprintf( buf, buflen, "RSA - The random generator failed to generate non-zeros" );
kevman 0:38ceb79fef03 402 if( use_ret == -(MBEDTLS_ERR_RSA_UNSUPPORTED_OPERATION) )
kevman 0:38ceb79fef03 403 mbedtls_snprintf( buf, buflen, "RSA - The implementation does not offer the requested operation, for example, because of security violations or lack of functionality" );
kevman 0:38ceb79fef03 404 if( use_ret == -(MBEDTLS_ERR_RSA_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 405 mbedtls_snprintf( buf, buflen, "RSA - RSA hardware accelerator failed" );
kevman 0:38ceb79fef03 406 #endif /* MBEDTLS_RSA_C */
kevman 0:38ceb79fef03 407
kevman 0:38ceb79fef03 408 #if defined(MBEDTLS_SSL_TLS_C)
kevman 0:38ceb79fef03 409 if( use_ret == -(MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE) )
kevman 0:38ceb79fef03 410 mbedtls_snprintf( buf, buflen, "SSL - The requested feature is not available" );
kevman 0:38ceb79fef03 411 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_INPUT_DATA) )
kevman 0:38ceb79fef03 412 mbedtls_snprintf( buf, buflen, "SSL - Bad input parameters to function" );
kevman 0:38ceb79fef03 413 if( use_ret == -(MBEDTLS_ERR_SSL_INVALID_MAC) )
kevman 0:38ceb79fef03 414 mbedtls_snprintf( buf, buflen, "SSL - Verification of the message MAC failed" );
kevman 0:38ceb79fef03 415 if( use_ret == -(MBEDTLS_ERR_SSL_INVALID_RECORD) )
kevman 0:38ceb79fef03 416 mbedtls_snprintf( buf, buflen, "SSL - An invalid SSL record was received" );
kevman 0:38ceb79fef03 417 if( use_ret == -(MBEDTLS_ERR_SSL_CONN_EOF) )
kevman 0:38ceb79fef03 418 mbedtls_snprintf( buf, buflen, "SSL - The connection indicated an EOF" );
kevman 0:38ceb79fef03 419 if( use_ret == -(MBEDTLS_ERR_SSL_UNKNOWN_CIPHER) )
kevman 0:38ceb79fef03 420 mbedtls_snprintf( buf, buflen, "SSL - An unknown cipher was received" );
kevman 0:38ceb79fef03 421 if( use_ret == -(MBEDTLS_ERR_SSL_NO_CIPHER_CHOSEN) )
kevman 0:38ceb79fef03 422 mbedtls_snprintf( buf, buflen, "SSL - The server has no ciphersuites in common with the client" );
kevman 0:38ceb79fef03 423 if( use_ret == -(MBEDTLS_ERR_SSL_NO_RNG) )
kevman 0:38ceb79fef03 424 mbedtls_snprintf( buf, buflen, "SSL - No RNG was provided to the SSL module" );
kevman 0:38ceb79fef03 425 if( use_ret == -(MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE) )
kevman 0:38ceb79fef03 426 mbedtls_snprintf( buf, buflen, "SSL - No client certification received from the client, but required by the authentication mode" );
kevman 0:38ceb79fef03 427 if( use_ret == -(MBEDTLS_ERR_SSL_CERTIFICATE_TOO_LARGE) )
kevman 0:38ceb79fef03 428 mbedtls_snprintf( buf, buflen, "SSL - Our own certificate(s) is/are too large to send in an SSL message" );
kevman 0:38ceb79fef03 429 if( use_ret == -(MBEDTLS_ERR_SSL_CERTIFICATE_REQUIRED) )
kevman 0:38ceb79fef03 430 mbedtls_snprintf( buf, buflen, "SSL - The own certificate is not set, but needed by the server" );
kevman 0:38ceb79fef03 431 if( use_ret == -(MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED) )
kevman 0:38ceb79fef03 432 mbedtls_snprintf( buf, buflen, "SSL - The own private key or pre-shared key is not set, but needed" );
kevman 0:38ceb79fef03 433 if( use_ret == -(MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED) )
kevman 0:38ceb79fef03 434 mbedtls_snprintf( buf, buflen, "SSL - No CA Chain is set, but required to operate" );
kevman 0:38ceb79fef03 435 if( use_ret == -(MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE) )
kevman 0:38ceb79fef03 436 mbedtls_snprintf( buf, buflen, "SSL - An unexpected message was received from our peer" );
kevman 0:38ceb79fef03 437 if( use_ret == -(MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE) )
kevman 0:38ceb79fef03 438 {
kevman 0:38ceb79fef03 439 mbedtls_snprintf( buf, buflen, "SSL - A fatal alert message was received from our peer" );
kevman 0:38ceb79fef03 440 return;
kevman 0:38ceb79fef03 441 }
kevman 0:38ceb79fef03 442 if( use_ret == -(MBEDTLS_ERR_SSL_PEER_VERIFY_FAILED) )
kevman 0:38ceb79fef03 443 mbedtls_snprintf( buf, buflen, "SSL - Verification of our peer failed" );
kevman 0:38ceb79fef03 444 if( use_ret == -(MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY) )
kevman 0:38ceb79fef03 445 mbedtls_snprintf( buf, buflen, "SSL - The peer notified us that the connection is going to be closed" );
kevman 0:38ceb79fef03 446 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO) )
kevman 0:38ceb79fef03 447 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientHello handshake message failed" );
kevman 0:38ceb79fef03 448 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO) )
kevman 0:38ceb79fef03 449 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ServerHello handshake message failed" );
kevman 0:38ceb79fef03 450 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE) )
kevman 0:38ceb79fef03 451 mbedtls_snprintf( buf, buflen, "SSL - Processing of the Certificate handshake message failed" );
kevman 0:38ceb79fef03 452 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST) )
kevman 0:38ceb79fef03 453 mbedtls_snprintf( buf, buflen, "SSL - Processing of the CertificateRequest handshake message failed" );
kevman 0:38ceb79fef03 454 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE) )
kevman 0:38ceb79fef03 455 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ServerKeyExchange handshake message failed" );
kevman 0:38ceb79fef03 456 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO_DONE) )
kevman 0:38ceb79fef03 457 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ServerHelloDone handshake message failed" );
kevman 0:38ceb79fef03 458 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE) )
kevman 0:38ceb79fef03 459 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed" );
kevman 0:38ceb79fef03 460 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP) )
kevman 0:38ceb79fef03 461 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Read Public" );
kevman 0:38ceb79fef03 462 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_CS) )
kevman 0:38ceb79fef03 463 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Calculate Secret" );
kevman 0:38ceb79fef03 464 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY) )
kevman 0:38ceb79fef03 465 mbedtls_snprintf( buf, buflen, "SSL - Processing of the CertificateVerify handshake message failed" );
kevman 0:38ceb79fef03 466 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CHANGE_CIPHER_SPEC) )
kevman 0:38ceb79fef03 467 mbedtls_snprintf( buf, buflen, "SSL - Processing of the ChangeCipherSpec handshake message failed" );
kevman 0:38ceb79fef03 468 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_FINISHED) )
kevman 0:38ceb79fef03 469 mbedtls_snprintf( buf, buflen, "SSL - Processing of the Finished handshake message failed" );
kevman 0:38ceb79fef03 470 if( use_ret == -(MBEDTLS_ERR_SSL_ALLOC_FAILED) )
kevman 0:38ceb79fef03 471 mbedtls_snprintf( buf, buflen, "SSL - Memory allocation failed" );
kevman 0:38ceb79fef03 472 if( use_ret == -(MBEDTLS_ERR_SSL_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 473 mbedtls_snprintf( buf, buflen, "SSL - Hardware acceleration function returned with error" );
kevman 0:38ceb79fef03 474 if( use_ret == -(MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH) )
kevman 0:38ceb79fef03 475 mbedtls_snprintf( buf, buflen, "SSL - Hardware acceleration function skipped / left alone data" );
kevman 0:38ceb79fef03 476 if( use_ret == -(MBEDTLS_ERR_SSL_COMPRESSION_FAILED) )
kevman 0:38ceb79fef03 477 mbedtls_snprintf( buf, buflen, "SSL - Processing of the compression / decompression failed" );
kevman 0:38ceb79fef03 478 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION) )
kevman 0:38ceb79fef03 479 mbedtls_snprintf( buf, buflen, "SSL - Handshake protocol not within min/max boundaries" );
kevman 0:38ceb79fef03 480 if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET) )
kevman 0:38ceb79fef03 481 mbedtls_snprintf( buf, buflen, "SSL - Processing of the NewSessionTicket handshake message failed" );
kevman 0:38ceb79fef03 482 if( use_ret == -(MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED) )
kevman 0:38ceb79fef03 483 mbedtls_snprintf( buf, buflen, "SSL - Session ticket has expired" );
kevman 0:38ceb79fef03 484 if( use_ret == -(MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH) )
kevman 0:38ceb79fef03 485 mbedtls_snprintf( buf, buflen, "SSL - Public key type mismatch (eg, asked for RSA key exchange and presented EC key)" );
kevman 0:38ceb79fef03 486 if( use_ret == -(MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY) )
kevman 0:38ceb79fef03 487 mbedtls_snprintf( buf, buflen, "SSL - Unknown identity received (eg, PSK identity)" );
kevman 0:38ceb79fef03 488 if( use_ret == -(MBEDTLS_ERR_SSL_INTERNAL_ERROR) )
kevman 0:38ceb79fef03 489 mbedtls_snprintf( buf, buflen, "SSL - Internal error (eg, unexpected failure in lower-level module)" );
kevman 0:38ceb79fef03 490 if( use_ret == -(MBEDTLS_ERR_SSL_COUNTER_WRAPPING) )
kevman 0:38ceb79fef03 491 mbedtls_snprintf( buf, buflen, "SSL - A counter would wrap (eg, too many messages exchanged)" );
kevman 0:38ceb79fef03 492 if( use_ret == -(MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO) )
kevman 0:38ceb79fef03 493 mbedtls_snprintf( buf, buflen, "SSL - Unexpected message at ServerHello in renegotiation" );
kevman 0:38ceb79fef03 494 if( use_ret == -(MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED) )
kevman 0:38ceb79fef03 495 mbedtls_snprintf( buf, buflen, "SSL - DTLS client must retry for hello verification" );
kevman 0:38ceb79fef03 496 if( use_ret == -(MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL) )
kevman 0:38ceb79fef03 497 mbedtls_snprintf( buf, buflen, "SSL - A buffer is too small to receive or write a message" );
kevman 0:38ceb79fef03 498 if( use_ret == -(MBEDTLS_ERR_SSL_NO_USABLE_CIPHERSUITE) )
kevman 0:38ceb79fef03 499 mbedtls_snprintf( buf, buflen, "SSL - None of the common ciphersuites is usable (eg, no suitable certificate, see debug messages)" );
kevman 0:38ceb79fef03 500 if( use_ret == -(MBEDTLS_ERR_SSL_WANT_READ) )
kevman 0:38ceb79fef03 501 mbedtls_snprintf( buf, buflen, "SSL - No data of requested type currently available on underlying transport" );
kevman 0:38ceb79fef03 502 if( use_ret == -(MBEDTLS_ERR_SSL_WANT_WRITE) )
kevman 0:38ceb79fef03 503 mbedtls_snprintf( buf, buflen, "SSL - Connection requires a write call" );
kevman 0:38ceb79fef03 504 if( use_ret == -(MBEDTLS_ERR_SSL_TIMEOUT) )
kevman 0:38ceb79fef03 505 mbedtls_snprintf( buf, buflen, "SSL - The operation timed out" );
kevman 0:38ceb79fef03 506 if( use_ret == -(MBEDTLS_ERR_SSL_CLIENT_RECONNECT) )
kevman 0:38ceb79fef03 507 mbedtls_snprintf( buf, buflen, "SSL - The client initiated a reconnect from the same port" );
kevman 0:38ceb79fef03 508 if( use_ret == -(MBEDTLS_ERR_SSL_UNEXPECTED_RECORD) )
kevman 0:38ceb79fef03 509 mbedtls_snprintf( buf, buflen, "SSL - Record header looks valid but is not expected" );
kevman 0:38ceb79fef03 510 if( use_ret == -(MBEDTLS_ERR_SSL_NON_FATAL) )
kevman 0:38ceb79fef03 511 mbedtls_snprintf( buf, buflen, "SSL - The alert message received indicates a non-fatal error" );
kevman 0:38ceb79fef03 512 if( use_ret == -(MBEDTLS_ERR_SSL_INVALID_VERIFY_HASH) )
kevman 0:38ceb79fef03 513 mbedtls_snprintf( buf, buflen, "SSL - Couldn't set the hash for verifying CertificateVerify" );
kevman 0:38ceb79fef03 514 if( use_ret == -(MBEDTLS_ERR_SSL_CONTINUE_PROCESSING) )
kevman 0:38ceb79fef03 515 mbedtls_snprintf( buf, buflen, "SSL - Internal-only message signaling that further message-processing should be done" );
kevman 0:38ceb79fef03 516 if( use_ret == -(MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS) )
kevman 0:38ceb79fef03 517 mbedtls_snprintf( buf, buflen, "SSL - The asynchronous operation is not completed yet" );
kevman 0:38ceb79fef03 518 if( use_ret == -(MBEDTLS_ERR_SSL_EARLY_MESSAGE) )
kevman 0:38ceb79fef03 519 mbedtls_snprintf( buf, buflen, "SSL - Internal-only message signaling that a message arrived early" );
kevman 0:38ceb79fef03 520 #endif /* MBEDTLS_SSL_TLS_C */
kevman 0:38ceb79fef03 521
kevman 0:38ceb79fef03 522 #if defined(MBEDTLS_X509_USE_C) || defined(MBEDTLS_X509_CREATE_C)
kevman 0:38ceb79fef03 523 if( use_ret == -(MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE) )
kevman 0:38ceb79fef03 524 mbedtls_snprintf( buf, buflen, "X509 - Unavailable feature, e.g. RSA hashing/encryption combination" );
kevman 0:38ceb79fef03 525 if( use_ret == -(MBEDTLS_ERR_X509_UNKNOWN_OID) )
kevman 0:38ceb79fef03 526 mbedtls_snprintf( buf, buflen, "X509 - Requested OID is unknown" );
kevman 0:38ceb79fef03 527 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_FORMAT) )
kevman 0:38ceb79fef03 528 mbedtls_snprintf( buf, buflen, "X509 - The CRT/CRL/CSR format is invalid, e.g. different type expected" );
kevman 0:38ceb79fef03 529 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_VERSION) )
kevman 0:38ceb79fef03 530 mbedtls_snprintf( buf, buflen, "X509 - The CRT/CRL/CSR version element is invalid" );
kevman 0:38ceb79fef03 531 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_SERIAL) )
kevman 0:38ceb79fef03 532 mbedtls_snprintf( buf, buflen, "X509 - The serial tag or value is invalid" );
kevman 0:38ceb79fef03 533 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_ALG) )
kevman 0:38ceb79fef03 534 mbedtls_snprintf( buf, buflen, "X509 - The algorithm tag or value is invalid" );
kevman 0:38ceb79fef03 535 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_NAME) )
kevman 0:38ceb79fef03 536 mbedtls_snprintf( buf, buflen, "X509 - The name tag or value is invalid" );
kevman 0:38ceb79fef03 537 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_DATE) )
kevman 0:38ceb79fef03 538 mbedtls_snprintf( buf, buflen, "X509 - The date tag or value is invalid" );
kevman 0:38ceb79fef03 539 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_SIGNATURE) )
kevman 0:38ceb79fef03 540 mbedtls_snprintf( buf, buflen, "X509 - The signature tag or value invalid" );
kevman 0:38ceb79fef03 541 if( use_ret == -(MBEDTLS_ERR_X509_INVALID_EXTENSIONS) )
kevman 0:38ceb79fef03 542 mbedtls_snprintf( buf, buflen, "X509 - The extension tag or value is invalid" );
kevman 0:38ceb79fef03 543 if( use_ret == -(MBEDTLS_ERR_X509_UNKNOWN_VERSION) )
kevman 0:38ceb79fef03 544 mbedtls_snprintf( buf, buflen, "X509 - CRT/CRL/CSR has an unsupported version number" );
kevman 0:38ceb79fef03 545 if( use_ret == -(MBEDTLS_ERR_X509_UNKNOWN_SIG_ALG) )
kevman 0:38ceb79fef03 546 mbedtls_snprintf( buf, buflen, "X509 - Signature algorithm (oid) is unsupported" );
kevman 0:38ceb79fef03 547 if( use_ret == -(MBEDTLS_ERR_X509_SIG_MISMATCH) )
kevman 0:38ceb79fef03 548 mbedtls_snprintf( buf, buflen, "X509 - Signature algorithms do not match. (see \\c ::mbedtls_x509_crt sig_oid)" );
kevman 0:38ceb79fef03 549 if( use_ret == -(MBEDTLS_ERR_X509_CERT_VERIFY_FAILED) )
kevman 0:38ceb79fef03 550 mbedtls_snprintf( buf, buflen, "X509 - Certificate verification failed, e.g. CRL, CA or signature check failed" );
kevman 0:38ceb79fef03 551 if( use_ret == -(MBEDTLS_ERR_X509_CERT_UNKNOWN_FORMAT) )
kevman 0:38ceb79fef03 552 mbedtls_snprintf( buf, buflen, "X509 - Format not recognized as DER or PEM" );
kevman 0:38ceb79fef03 553 if( use_ret == -(MBEDTLS_ERR_X509_BAD_INPUT_DATA) )
kevman 0:38ceb79fef03 554 mbedtls_snprintf( buf, buflen, "X509 - Input invalid" );
kevman 0:38ceb79fef03 555 if( use_ret == -(MBEDTLS_ERR_X509_ALLOC_FAILED) )
kevman 0:38ceb79fef03 556 mbedtls_snprintf( buf, buflen, "X509 - Allocation of memory failed" );
kevman 0:38ceb79fef03 557 if( use_ret == -(MBEDTLS_ERR_X509_FILE_IO_ERROR) )
kevman 0:38ceb79fef03 558 mbedtls_snprintf( buf, buflen, "X509 - Read/write of file failed" );
kevman 0:38ceb79fef03 559 if( use_ret == -(MBEDTLS_ERR_X509_BUFFER_TOO_SMALL) )
kevman 0:38ceb79fef03 560 mbedtls_snprintf( buf, buflen, "X509 - Destination buffer is too small" );
kevman 0:38ceb79fef03 561 if( use_ret == -(MBEDTLS_ERR_X509_FATAL_ERROR) )
kevman 0:38ceb79fef03 562 mbedtls_snprintf( buf, buflen, "X509 - A fatal error occured, eg the chain is too long or the vrfy callback failed" );
kevman 0:38ceb79fef03 563 #endif /* MBEDTLS_X509_USE_C || MBEDTLS_X509_CREATE_C */
kevman 0:38ceb79fef03 564 // END generated code
kevman 0:38ceb79fef03 565
kevman 0:38ceb79fef03 566 if( strlen( buf ) == 0 )
kevman 0:38ceb79fef03 567 mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret );
kevman 0:38ceb79fef03 568 }
kevman 0:38ceb79fef03 569
kevman 0:38ceb79fef03 570 use_ret = ret & ~0xFF80;
kevman 0:38ceb79fef03 571
kevman 0:38ceb79fef03 572 if( use_ret == 0 )
kevman 0:38ceb79fef03 573 return;
kevman 0:38ceb79fef03 574
kevman 0:38ceb79fef03 575 // If high level code is present, make a concatenation between both
kevman 0:38ceb79fef03 576 // error strings.
kevman 0:38ceb79fef03 577 //
kevman 0:38ceb79fef03 578 len = strlen( buf );
kevman 0:38ceb79fef03 579
kevman 0:38ceb79fef03 580 if( len > 0 )
kevman 0:38ceb79fef03 581 {
kevman 0:38ceb79fef03 582 if( buflen - len < 5 )
kevman 0:38ceb79fef03 583 return;
kevman 0:38ceb79fef03 584
kevman 0:38ceb79fef03 585 mbedtls_snprintf( buf + len, buflen - len, " : " );
kevman 0:38ceb79fef03 586
kevman 0:38ceb79fef03 587 buf += len + 3;
kevman 0:38ceb79fef03 588 buflen -= len + 3;
kevman 0:38ceb79fef03 589 }
kevman 0:38ceb79fef03 590
kevman 0:38ceb79fef03 591 // Low level error codes
kevman 0:38ceb79fef03 592 //
kevman 0:38ceb79fef03 593 // BEGIN generated code
kevman 0:38ceb79fef03 594 #if defined(MBEDTLS_AES_C)
kevman 0:38ceb79fef03 595 if( use_ret == -(MBEDTLS_ERR_AES_INVALID_KEY_LENGTH) )
kevman 0:38ceb79fef03 596 mbedtls_snprintf( buf, buflen, "AES - Invalid key length" );
kevman 0:38ceb79fef03 597 if( use_ret == -(MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH) )
kevman 0:38ceb79fef03 598 mbedtls_snprintf( buf, buflen, "AES - Invalid data input length" );
kevman 0:38ceb79fef03 599 if( use_ret == -(MBEDTLS_ERR_AES_BAD_INPUT_DATA) )
kevman 0:38ceb79fef03 600 mbedtls_snprintf( buf, buflen, "AES - Invalid input data" );
kevman 0:38ceb79fef03 601 if( use_ret == -(MBEDTLS_ERR_AES_FEATURE_UNAVAILABLE) )
kevman 0:38ceb79fef03 602 mbedtls_snprintf( buf, buflen, "AES - Feature not available. For example, an unsupported AES key size" );
kevman 0:38ceb79fef03 603 if( use_ret == -(MBEDTLS_ERR_AES_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 604 mbedtls_snprintf( buf, buflen, "AES - AES hardware accelerator failed" );
kevman 0:38ceb79fef03 605 #endif /* MBEDTLS_AES_C */
kevman 0:38ceb79fef03 606
kevman 0:38ceb79fef03 607 #if defined(MBEDTLS_ARC4_C)
kevman 0:38ceb79fef03 608 if( use_ret == -(MBEDTLS_ERR_ARC4_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 609 mbedtls_snprintf( buf, buflen, "ARC4 - ARC4 hardware accelerator failed" );
kevman 0:38ceb79fef03 610 #endif /* MBEDTLS_ARC4_C */
kevman 0:38ceb79fef03 611
kevman 0:38ceb79fef03 612 #if defined(MBEDTLS_ARIA_C)
kevman 0:38ceb79fef03 613 if( use_ret == -(MBEDTLS_ERR_ARIA_INVALID_KEY_LENGTH) )
kevman 0:38ceb79fef03 614 mbedtls_snprintf( buf, buflen, "ARIA - Invalid key length" );
kevman 0:38ceb79fef03 615 if( use_ret == -(MBEDTLS_ERR_ARIA_INVALID_INPUT_LENGTH) )
kevman 0:38ceb79fef03 616 mbedtls_snprintf( buf, buflen, "ARIA - Invalid data input length" );
kevman 0:38ceb79fef03 617 if( use_ret == -(MBEDTLS_ERR_ARIA_FEATURE_UNAVAILABLE) )
kevman 0:38ceb79fef03 618 mbedtls_snprintf( buf, buflen, "ARIA - Feature not available. For example, an unsupported ARIA key size" );
kevman 0:38ceb79fef03 619 if( use_ret == -(MBEDTLS_ERR_ARIA_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 620 mbedtls_snprintf( buf, buflen, "ARIA - ARIA hardware accelerator failed" );
kevman 0:38ceb79fef03 621 #endif /* MBEDTLS_ARIA_C */
kevman 0:38ceb79fef03 622
kevman 0:38ceb79fef03 623 #if defined(MBEDTLS_ASN1_PARSE_C)
kevman 0:38ceb79fef03 624 if( use_ret == -(MBEDTLS_ERR_ASN1_OUT_OF_DATA) )
kevman 0:38ceb79fef03 625 mbedtls_snprintf( buf, buflen, "ASN1 - Out of data when parsing an ASN1 data structure" );
kevman 0:38ceb79fef03 626 if( use_ret == -(MBEDTLS_ERR_ASN1_UNEXPECTED_TAG) )
kevman 0:38ceb79fef03 627 mbedtls_snprintf( buf, buflen, "ASN1 - ASN1 tag was of an unexpected value" );
kevman 0:38ceb79fef03 628 if( use_ret == -(MBEDTLS_ERR_ASN1_INVALID_LENGTH) )
kevman 0:38ceb79fef03 629 mbedtls_snprintf( buf, buflen, "ASN1 - Error when trying to determine the length or invalid length" );
kevman 0:38ceb79fef03 630 if( use_ret == -(MBEDTLS_ERR_ASN1_LENGTH_MISMATCH) )
kevman 0:38ceb79fef03 631 mbedtls_snprintf( buf, buflen, "ASN1 - Actual length differs from expected length" );
kevman 0:38ceb79fef03 632 if( use_ret == -(MBEDTLS_ERR_ASN1_INVALID_DATA) )
kevman 0:38ceb79fef03 633 mbedtls_snprintf( buf, buflen, "ASN1 - Data is invalid. (not used)" );
kevman 0:38ceb79fef03 634 if( use_ret == -(MBEDTLS_ERR_ASN1_ALLOC_FAILED) )
kevman 0:38ceb79fef03 635 mbedtls_snprintf( buf, buflen, "ASN1 - Memory allocation failed" );
kevman 0:38ceb79fef03 636 if( use_ret == -(MBEDTLS_ERR_ASN1_BUF_TOO_SMALL) )
kevman 0:38ceb79fef03 637 mbedtls_snprintf( buf, buflen, "ASN1 - Buffer too small when writing ASN.1 data structure" );
kevman 0:38ceb79fef03 638 #endif /* MBEDTLS_ASN1_PARSE_C */
kevman 0:38ceb79fef03 639
kevman 0:38ceb79fef03 640 #if defined(MBEDTLS_BASE64_C)
kevman 0:38ceb79fef03 641 if( use_ret == -(MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL) )
kevman 0:38ceb79fef03 642 mbedtls_snprintf( buf, buflen, "BASE64 - Output buffer too small" );
kevman 0:38ceb79fef03 643 if( use_ret == -(MBEDTLS_ERR_BASE64_INVALID_CHARACTER) )
kevman 0:38ceb79fef03 644 mbedtls_snprintf( buf, buflen, "BASE64 - Invalid character in input" );
kevman 0:38ceb79fef03 645 #endif /* MBEDTLS_BASE64_C */
kevman 0:38ceb79fef03 646
kevman 0:38ceb79fef03 647 #if defined(MBEDTLS_BIGNUM_C)
kevman 0:38ceb79fef03 648 if( use_ret == -(MBEDTLS_ERR_MPI_FILE_IO_ERROR) )
kevman 0:38ceb79fef03 649 mbedtls_snprintf( buf, buflen, "BIGNUM - An error occurred while reading from or writing to a file" );
kevman 0:38ceb79fef03 650 if( use_ret == -(MBEDTLS_ERR_MPI_BAD_INPUT_DATA) )
kevman 0:38ceb79fef03 651 mbedtls_snprintf( buf, buflen, "BIGNUM - Bad input parameters to function" );
kevman 0:38ceb79fef03 652 if( use_ret == -(MBEDTLS_ERR_MPI_INVALID_CHARACTER) )
kevman 0:38ceb79fef03 653 mbedtls_snprintf( buf, buflen, "BIGNUM - There is an invalid character in the digit string" );
kevman 0:38ceb79fef03 654 if( use_ret == -(MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL) )
kevman 0:38ceb79fef03 655 mbedtls_snprintf( buf, buflen, "BIGNUM - The buffer is too small to write to" );
kevman 0:38ceb79fef03 656 if( use_ret == -(MBEDTLS_ERR_MPI_NEGATIVE_VALUE) )
kevman 0:38ceb79fef03 657 mbedtls_snprintf( buf, buflen, "BIGNUM - The input arguments are negative or result in illegal output" );
kevman 0:38ceb79fef03 658 if( use_ret == -(MBEDTLS_ERR_MPI_DIVISION_BY_ZERO) )
kevman 0:38ceb79fef03 659 mbedtls_snprintf( buf, buflen, "BIGNUM - The input argument for division is zero, which is not allowed" );
kevman 0:38ceb79fef03 660 if( use_ret == -(MBEDTLS_ERR_MPI_NOT_ACCEPTABLE) )
kevman 0:38ceb79fef03 661 mbedtls_snprintf( buf, buflen, "BIGNUM - The input arguments are not acceptable" );
kevman 0:38ceb79fef03 662 if( use_ret == -(MBEDTLS_ERR_MPI_ALLOC_FAILED) )
kevman 0:38ceb79fef03 663 mbedtls_snprintf( buf, buflen, "BIGNUM - Memory allocation failed" );
kevman 0:38ceb79fef03 664 #endif /* MBEDTLS_BIGNUM_C */
kevman 0:38ceb79fef03 665
kevman 0:38ceb79fef03 666 #if defined(MBEDTLS_BLOWFISH_C)
kevman 0:38ceb79fef03 667 if( use_ret == -(MBEDTLS_ERR_BLOWFISH_INVALID_KEY_LENGTH) )
kevman 0:38ceb79fef03 668 mbedtls_snprintf( buf, buflen, "BLOWFISH - Invalid key length" );
kevman 0:38ceb79fef03 669 if( use_ret == -(MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 670 mbedtls_snprintf( buf, buflen, "BLOWFISH - Blowfish hardware accelerator failed" );
kevman 0:38ceb79fef03 671 if( use_ret == -(MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH) )
kevman 0:38ceb79fef03 672 mbedtls_snprintf( buf, buflen, "BLOWFISH - Invalid data input length" );
kevman 0:38ceb79fef03 673 #endif /* MBEDTLS_BLOWFISH_C */
kevman 0:38ceb79fef03 674
kevman 0:38ceb79fef03 675 #if defined(MBEDTLS_CAMELLIA_C)
kevman 0:38ceb79fef03 676 if( use_ret == -(MBEDTLS_ERR_CAMELLIA_INVALID_KEY_LENGTH) )
kevman 0:38ceb79fef03 677 mbedtls_snprintf( buf, buflen, "CAMELLIA - Invalid key length" );
kevman 0:38ceb79fef03 678 if( use_ret == -(MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH) )
kevman 0:38ceb79fef03 679 mbedtls_snprintf( buf, buflen, "CAMELLIA - Invalid data input length" );
kevman 0:38ceb79fef03 680 if( use_ret == -(MBEDTLS_ERR_CAMELLIA_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 681 mbedtls_snprintf( buf, buflen, "CAMELLIA - Camellia hardware accelerator failed" );
kevman 0:38ceb79fef03 682 #endif /* MBEDTLS_CAMELLIA_C */
kevman 0:38ceb79fef03 683
kevman 0:38ceb79fef03 684 #if defined(MBEDTLS_CCM_C)
kevman 0:38ceb79fef03 685 if( use_ret == -(MBEDTLS_ERR_CCM_BAD_INPUT) )
kevman 0:38ceb79fef03 686 mbedtls_snprintf( buf, buflen, "CCM - Bad input parameters to the function" );
kevman 0:38ceb79fef03 687 if( use_ret == -(MBEDTLS_ERR_CCM_AUTH_FAILED) )
kevman 0:38ceb79fef03 688 mbedtls_snprintf( buf, buflen, "CCM - Authenticated decryption failed" );
kevman 0:38ceb79fef03 689 if( use_ret == -(MBEDTLS_ERR_CCM_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 690 mbedtls_snprintf( buf, buflen, "CCM - CCM hardware accelerator failed" );
kevman 0:38ceb79fef03 691 #endif /* MBEDTLS_CCM_C */
kevman 0:38ceb79fef03 692
kevman 0:38ceb79fef03 693 #if defined(MBEDTLS_CHACHA20_C)
kevman 0:38ceb79fef03 694 if( use_ret == -(MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA) )
kevman 0:38ceb79fef03 695 mbedtls_snprintf( buf, buflen, "CHACHA20 - Invalid input parameter(s)" );
kevman 0:38ceb79fef03 696 if( use_ret == -(MBEDTLS_ERR_CHACHA20_FEATURE_UNAVAILABLE) )
kevman 0:38ceb79fef03 697 mbedtls_snprintf( buf, buflen, "CHACHA20 - Feature not available. For example, s part of the API is not implemented" );
kevman 0:38ceb79fef03 698 if( use_ret == -(MBEDTLS_ERR_CHACHA20_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 699 mbedtls_snprintf( buf, buflen, "CHACHA20 - Chacha20 hardware accelerator failed" );
kevman 0:38ceb79fef03 700 #endif /* MBEDTLS_CHACHA20_C */
kevman 0:38ceb79fef03 701
kevman 0:38ceb79fef03 702 #if defined(MBEDTLS_CHACHAPOLY_C)
kevman 0:38ceb79fef03 703 if( use_ret == -(MBEDTLS_ERR_CHACHAPOLY_BAD_STATE) )
kevman 0:38ceb79fef03 704 mbedtls_snprintf( buf, buflen, "CHACHAPOLY - The requested operation is not permitted in the current state" );
kevman 0:38ceb79fef03 705 if( use_ret == -(MBEDTLS_ERR_CHACHAPOLY_AUTH_FAILED) )
kevman 0:38ceb79fef03 706 mbedtls_snprintf( buf, buflen, "CHACHAPOLY - Authenticated decryption failed: data was not authentic" );
kevman 0:38ceb79fef03 707 #endif /* MBEDTLS_CHACHAPOLY_C */
kevman 0:38ceb79fef03 708
kevman 0:38ceb79fef03 709 #if defined(MBEDTLS_CMAC_C)
kevman 0:38ceb79fef03 710 if( use_ret == -(MBEDTLS_ERR_CMAC_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 711 mbedtls_snprintf( buf, buflen, "CMAC - CMAC hardware accelerator failed" );
kevman 0:38ceb79fef03 712 #endif /* MBEDTLS_CMAC_C */
kevman 0:38ceb79fef03 713
kevman 0:38ceb79fef03 714 #if defined(MBEDTLS_CTR_DRBG_C)
kevman 0:38ceb79fef03 715 if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED) )
kevman 0:38ceb79fef03 716 mbedtls_snprintf( buf, buflen, "CTR_DRBG - The entropy source failed" );
kevman 0:38ceb79fef03 717 if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_REQUEST_TOO_BIG) )
kevman 0:38ceb79fef03 718 mbedtls_snprintf( buf, buflen, "CTR_DRBG - The requested random buffer length is too big" );
kevman 0:38ceb79fef03 719 if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG) )
kevman 0:38ceb79fef03 720 mbedtls_snprintf( buf, buflen, "CTR_DRBG - The input (entropy + additional data) is too large" );
kevman 0:38ceb79fef03 721 if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR) )
kevman 0:38ceb79fef03 722 mbedtls_snprintf( buf, buflen, "CTR_DRBG - Read or write error in file" );
kevman 0:38ceb79fef03 723 #endif /* MBEDTLS_CTR_DRBG_C */
kevman 0:38ceb79fef03 724
kevman 0:38ceb79fef03 725 #if defined(MBEDTLS_DES_C)
kevman 0:38ceb79fef03 726 if( use_ret == -(MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH) )
kevman 0:38ceb79fef03 727 mbedtls_snprintf( buf, buflen, "DES - The data input has an invalid length" );
kevman 0:38ceb79fef03 728 if( use_ret == -(MBEDTLS_ERR_DES_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 729 mbedtls_snprintf( buf, buflen, "DES - DES hardware accelerator failed" );
kevman 0:38ceb79fef03 730 #endif /* MBEDTLS_DES_C */
kevman 0:38ceb79fef03 731
kevman 0:38ceb79fef03 732 #if defined(MBEDTLS_ENTROPY_C)
kevman 0:38ceb79fef03 733 if( use_ret == -(MBEDTLS_ERR_ENTROPY_SOURCE_FAILED) )
kevman 0:38ceb79fef03 734 mbedtls_snprintf( buf, buflen, "ENTROPY - Critical entropy source failure" );
kevman 0:38ceb79fef03 735 if( use_ret == -(MBEDTLS_ERR_ENTROPY_MAX_SOURCES) )
kevman 0:38ceb79fef03 736 mbedtls_snprintf( buf, buflen, "ENTROPY - No more sources can be added" );
kevman 0:38ceb79fef03 737 if( use_ret == -(MBEDTLS_ERR_ENTROPY_NO_SOURCES_DEFINED) )
kevman 0:38ceb79fef03 738 mbedtls_snprintf( buf, buflen, "ENTROPY - No sources have been added to poll" );
kevman 0:38ceb79fef03 739 if( use_ret == -(MBEDTLS_ERR_ENTROPY_NO_STRONG_SOURCE) )
kevman 0:38ceb79fef03 740 mbedtls_snprintf( buf, buflen, "ENTROPY - No strong sources have been added to poll" );
kevman 0:38ceb79fef03 741 if( use_ret == -(MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR) )
kevman 0:38ceb79fef03 742 mbedtls_snprintf( buf, buflen, "ENTROPY - Read/write error in file" );
kevman 0:38ceb79fef03 743 #endif /* MBEDTLS_ENTROPY_C */
kevman 0:38ceb79fef03 744
kevman 0:38ceb79fef03 745 #if defined(MBEDTLS_GCM_C)
kevman 0:38ceb79fef03 746 if( use_ret == -(MBEDTLS_ERR_GCM_AUTH_FAILED) )
kevman 0:38ceb79fef03 747 mbedtls_snprintf( buf, buflen, "GCM - Authenticated decryption failed" );
kevman 0:38ceb79fef03 748 if( use_ret == -(MBEDTLS_ERR_GCM_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 749 mbedtls_snprintf( buf, buflen, "GCM - GCM hardware accelerator failed" );
kevman 0:38ceb79fef03 750 if( use_ret == -(MBEDTLS_ERR_GCM_BAD_INPUT) )
kevman 0:38ceb79fef03 751 mbedtls_snprintf( buf, buflen, "GCM - Bad input parameters to function" );
kevman 0:38ceb79fef03 752 #endif /* MBEDTLS_GCM_C */
kevman 0:38ceb79fef03 753
kevman 0:38ceb79fef03 754 #if defined(MBEDTLS_HKDF_C)
kevman 0:38ceb79fef03 755 if( use_ret == -(MBEDTLS_ERR_HKDF_BAD_INPUT_DATA) )
kevman 0:38ceb79fef03 756 mbedtls_snprintf( buf, buflen, "HKDF - Bad input parameters to function" );
kevman 0:38ceb79fef03 757 #endif /* MBEDTLS_HKDF_C */
kevman 0:38ceb79fef03 758
kevman 0:38ceb79fef03 759 #if defined(MBEDTLS_HMAC_DRBG_C)
kevman 0:38ceb79fef03 760 if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_REQUEST_TOO_BIG) )
kevman 0:38ceb79fef03 761 mbedtls_snprintf( buf, buflen, "HMAC_DRBG - Too many random requested in single call" );
kevman 0:38ceb79fef03 762 if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG) )
kevman 0:38ceb79fef03 763 mbedtls_snprintf( buf, buflen, "HMAC_DRBG - Input too large (Entropy + additional)" );
kevman 0:38ceb79fef03 764 if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_FILE_IO_ERROR) )
kevman 0:38ceb79fef03 765 mbedtls_snprintf( buf, buflen, "HMAC_DRBG - Read/write error in file" );
kevman 0:38ceb79fef03 766 if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED) )
kevman 0:38ceb79fef03 767 mbedtls_snprintf( buf, buflen, "HMAC_DRBG - The entropy source failed" );
kevman 0:38ceb79fef03 768 #endif /* MBEDTLS_HMAC_DRBG_C */
kevman 0:38ceb79fef03 769
kevman 0:38ceb79fef03 770 #if defined(MBEDTLS_MD2_C)
kevman 0:38ceb79fef03 771 if( use_ret == -(MBEDTLS_ERR_MD2_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 772 mbedtls_snprintf( buf, buflen, "MD2 - MD2 hardware accelerator failed" );
kevman 0:38ceb79fef03 773 #endif /* MBEDTLS_MD2_C */
kevman 0:38ceb79fef03 774
kevman 0:38ceb79fef03 775 #if defined(MBEDTLS_MD4_C)
kevman 0:38ceb79fef03 776 if( use_ret == -(MBEDTLS_ERR_MD4_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 777 mbedtls_snprintf( buf, buflen, "MD4 - MD4 hardware accelerator failed" );
kevman 0:38ceb79fef03 778 #endif /* MBEDTLS_MD4_C */
kevman 0:38ceb79fef03 779
kevman 0:38ceb79fef03 780 #if defined(MBEDTLS_MD5_C)
kevman 0:38ceb79fef03 781 if( use_ret == -(MBEDTLS_ERR_MD5_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 782 mbedtls_snprintf( buf, buflen, "MD5 - MD5 hardware accelerator failed" );
kevman 0:38ceb79fef03 783 #endif /* MBEDTLS_MD5_C */
kevman 0:38ceb79fef03 784
kevman 0:38ceb79fef03 785 #if defined(MBEDTLS_NET_C)
kevman 0:38ceb79fef03 786 if( use_ret == -(MBEDTLS_ERR_NET_SOCKET_FAILED) )
kevman 0:38ceb79fef03 787 mbedtls_snprintf( buf, buflen, "NET - Failed to open a socket" );
kevman 0:38ceb79fef03 788 if( use_ret == -(MBEDTLS_ERR_NET_CONNECT_FAILED) )
kevman 0:38ceb79fef03 789 mbedtls_snprintf( buf, buflen, "NET - The connection to the given server / port failed" );
kevman 0:38ceb79fef03 790 if( use_ret == -(MBEDTLS_ERR_NET_BIND_FAILED) )
kevman 0:38ceb79fef03 791 mbedtls_snprintf( buf, buflen, "NET - Binding of the socket failed" );
kevman 0:38ceb79fef03 792 if( use_ret == -(MBEDTLS_ERR_NET_LISTEN_FAILED) )
kevman 0:38ceb79fef03 793 mbedtls_snprintf( buf, buflen, "NET - Could not listen on the socket" );
kevman 0:38ceb79fef03 794 if( use_ret == -(MBEDTLS_ERR_NET_ACCEPT_FAILED) )
kevman 0:38ceb79fef03 795 mbedtls_snprintf( buf, buflen, "NET - Could not accept the incoming connection" );
kevman 0:38ceb79fef03 796 if( use_ret == -(MBEDTLS_ERR_NET_RECV_FAILED) )
kevman 0:38ceb79fef03 797 mbedtls_snprintf( buf, buflen, "NET - Reading information from the socket failed" );
kevman 0:38ceb79fef03 798 if( use_ret == -(MBEDTLS_ERR_NET_SEND_FAILED) )
kevman 0:38ceb79fef03 799 mbedtls_snprintf( buf, buflen, "NET - Sending information through the socket failed" );
kevman 0:38ceb79fef03 800 if( use_ret == -(MBEDTLS_ERR_NET_CONN_RESET) )
kevman 0:38ceb79fef03 801 mbedtls_snprintf( buf, buflen, "NET - Connection was reset by peer" );
kevman 0:38ceb79fef03 802 if( use_ret == -(MBEDTLS_ERR_NET_UNKNOWN_HOST) )
kevman 0:38ceb79fef03 803 mbedtls_snprintf( buf, buflen, "NET - Failed to get an IP address for the given hostname" );
kevman 0:38ceb79fef03 804 if( use_ret == -(MBEDTLS_ERR_NET_BUFFER_TOO_SMALL) )
kevman 0:38ceb79fef03 805 mbedtls_snprintf( buf, buflen, "NET - Buffer is too small to hold the data" );
kevman 0:38ceb79fef03 806 if( use_ret == -(MBEDTLS_ERR_NET_INVALID_CONTEXT) )
kevman 0:38ceb79fef03 807 mbedtls_snprintf( buf, buflen, "NET - The context is invalid, eg because it was free()ed" );
kevman 0:38ceb79fef03 808 if( use_ret == -(MBEDTLS_ERR_NET_POLL_FAILED) )
kevman 0:38ceb79fef03 809 mbedtls_snprintf( buf, buflen, "NET - Polling the net context failed" );
kevman 0:38ceb79fef03 810 if( use_ret == -(MBEDTLS_ERR_NET_BAD_INPUT_DATA) )
kevman 0:38ceb79fef03 811 mbedtls_snprintf( buf, buflen, "NET - Input invalid" );
kevman 0:38ceb79fef03 812 #endif /* MBEDTLS_NET_C */
kevman 0:38ceb79fef03 813
kevman 0:38ceb79fef03 814 #if defined(MBEDTLS_OID_C)
kevman 0:38ceb79fef03 815 if( use_ret == -(MBEDTLS_ERR_OID_NOT_FOUND) )
kevman 0:38ceb79fef03 816 mbedtls_snprintf( buf, buflen, "OID - OID is not found" );
kevman 0:38ceb79fef03 817 if( use_ret == -(MBEDTLS_ERR_OID_BUF_TOO_SMALL) )
kevman 0:38ceb79fef03 818 mbedtls_snprintf( buf, buflen, "OID - output buffer is too small" );
kevman 0:38ceb79fef03 819 #endif /* MBEDTLS_OID_C */
kevman 0:38ceb79fef03 820
kevman 0:38ceb79fef03 821 #if defined(MBEDTLS_PADLOCK_C)
kevman 0:38ceb79fef03 822 if( use_ret == -(MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED) )
kevman 0:38ceb79fef03 823 mbedtls_snprintf( buf, buflen, "PADLOCK - Input data should be aligned" );
kevman 0:38ceb79fef03 824 #endif /* MBEDTLS_PADLOCK_C */
kevman 0:38ceb79fef03 825
kevman 0:38ceb79fef03 826 #if defined(MBEDTLS_POLY1305_C)
kevman 0:38ceb79fef03 827 if( use_ret == -(MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA) )
kevman 0:38ceb79fef03 828 mbedtls_snprintf( buf, buflen, "POLY1305 - Invalid input parameter(s)" );
kevman 0:38ceb79fef03 829 if( use_ret == -(MBEDTLS_ERR_POLY1305_FEATURE_UNAVAILABLE) )
kevman 0:38ceb79fef03 830 mbedtls_snprintf( buf, buflen, "POLY1305 - Feature not available. For example, s part of the API is not implemented" );
kevman 0:38ceb79fef03 831 if( use_ret == -(MBEDTLS_ERR_POLY1305_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 832 mbedtls_snprintf( buf, buflen, "POLY1305 - Poly1305 hardware accelerator failed" );
kevman 0:38ceb79fef03 833 #endif /* MBEDTLS_POLY1305_C */
kevman 0:38ceb79fef03 834
kevman 0:38ceb79fef03 835 #if defined(MBEDTLS_RIPEMD160_C)
kevman 0:38ceb79fef03 836 if( use_ret == -(MBEDTLS_ERR_RIPEMD160_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 837 mbedtls_snprintf( buf, buflen, "RIPEMD160 - RIPEMD160 hardware accelerator failed" );
kevman 0:38ceb79fef03 838 #endif /* MBEDTLS_RIPEMD160_C */
kevman 0:38ceb79fef03 839
kevman 0:38ceb79fef03 840 #if defined(MBEDTLS_SHA1_C)
kevman 0:38ceb79fef03 841 if( use_ret == -(MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 842 mbedtls_snprintf( buf, buflen, "SHA1 - SHA-1 hardware accelerator failed" );
kevman 0:38ceb79fef03 843 #endif /* MBEDTLS_SHA1_C */
kevman 0:38ceb79fef03 844
kevman 0:38ceb79fef03 845 #if defined(MBEDTLS_SHA256_C)
kevman 0:38ceb79fef03 846 if( use_ret == -(MBEDTLS_ERR_SHA256_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 847 mbedtls_snprintf( buf, buflen, "SHA256 - SHA-256 hardware accelerator failed" );
kevman 0:38ceb79fef03 848 #endif /* MBEDTLS_SHA256_C */
kevman 0:38ceb79fef03 849
kevman 0:38ceb79fef03 850 #if defined(MBEDTLS_SHA512_C)
kevman 0:38ceb79fef03 851 if( use_ret == -(MBEDTLS_ERR_SHA512_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 852 mbedtls_snprintf( buf, buflen, "SHA512 - SHA-512 hardware accelerator failed" );
kevman 0:38ceb79fef03 853 #endif /* MBEDTLS_SHA512_C */
kevman 0:38ceb79fef03 854
kevman 0:38ceb79fef03 855 #if defined(MBEDTLS_THREADING_C)
kevman 0:38ceb79fef03 856 if( use_ret == -(MBEDTLS_ERR_THREADING_FEATURE_UNAVAILABLE) )
kevman 0:38ceb79fef03 857 mbedtls_snprintf( buf, buflen, "THREADING - The selected feature is not available" );
kevman 0:38ceb79fef03 858 if( use_ret == -(MBEDTLS_ERR_THREADING_BAD_INPUT_DATA) )
kevman 0:38ceb79fef03 859 mbedtls_snprintf( buf, buflen, "THREADING - Bad input parameters to function" );
kevman 0:38ceb79fef03 860 if( use_ret == -(MBEDTLS_ERR_THREADING_MUTEX_ERROR) )
kevman 0:38ceb79fef03 861 mbedtls_snprintf( buf, buflen, "THREADING - Locking / unlocking / free failed with error code" );
kevman 0:38ceb79fef03 862 #endif /* MBEDTLS_THREADING_C */
kevman 0:38ceb79fef03 863
kevman 0:38ceb79fef03 864 #if defined(MBEDTLS_XTEA_C)
kevman 0:38ceb79fef03 865 if( use_ret == -(MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH) )
kevman 0:38ceb79fef03 866 mbedtls_snprintf( buf, buflen, "XTEA - The data input has an invalid length" );
kevman 0:38ceb79fef03 867 if( use_ret == -(MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED) )
kevman 0:38ceb79fef03 868 mbedtls_snprintf( buf, buflen, "XTEA - XTEA hardware accelerator failed" );
kevman 0:38ceb79fef03 869 #endif /* MBEDTLS_XTEA_C */
kevman 0:38ceb79fef03 870 // END generated code
kevman 0:38ceb79fef03 871
kevman 0:38ceb79fef03 872 if( strlen( buf ) != 0 )
kevman 0:38ceb79fef03 873 return;
kevman 0:38ceb79fef03 874
kevman 0:38ceb79fef03 875 mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret );
kevman 0:38ceb79fef03 876 }
kevman 0:38ceb79fef03 877
kevman 0:38ceb79fef03 878 #else /* MBEDTLS_ERROR_C */
kevman 0:38ceb79fef03 879
kevman 0:38ceb79fef03 880 #if defined(MBEDTLS_ERROR_STRERROR_DUMMY)
kevman 0:38ceb79fef03 881
kevman 0:38ceb79fef03 882 /*
kevman 0:38ceb79fef03 883 * Provide an non-function in case MBEDTLS_ERROR_C is not defined
kevman 0:38ceb79fef03 884 */
kevman 0:38ceb79fef03 885 void mbedtls_strerror( int ret, char *buf, size_t buflen )
kevman 0:38ceb79fef03 886 {
kevman 0:38ceb79fef03 887 ((void) ret);
kevman 0:38ceb79fef03 888
kevman 0:38ceb79fef03 889 if( buflen > 0 )
kevman 0:38ceb79fef03 890 buf[0] = '\0';
kevman 0:38ceb79fef03 891 }
kevman 0:38ceb79fef03 892
kevman 0:38ceb79fef03 893 #endif /* MBEDTLS_ERROR_STRERROR_DUMMY */
kevman 0:38ceb79fef03 894
kevman 0:38ceb79fef03 895 #endif /* MBEDTLS_ERROR_C */