/* * Error message information * * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved * SPDX-License-Identifier: GPL-2.0 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * This file is part of mbed TLS (https://tls.mbed.org) */ #if !defined(MBEDTLS_CONFIG_FILE) #include "mbedtls/config.h" #else #include MBEDTLS_CONFIG_FILE #endif #if defined(MBEDTLS_ERROR_C) || defined(MBEDTLS_ERROR_STRERROR_DUMMY) #include "mbedtls/error.h" #include #endif #if defined(MBEDTLS_PLATFORM_C) #include "mbedtls/platform.h" #else #define mbedtls_snprintf snprintf #define mbedtls_time_t time_t #endif #if defined(MBEDTLS_ERROR_C) #include #if defined(MBEDTLS_AES_C) #include "mbedtls/aes.h" #endif #if defined(MBEDTLS_ARC4_C) #include "mbedtls/arc4.h" #endif #if defined(MBEDTLS_ARIA_C) #include "mbedtls/aria.h" #endif #if defined(MBEDTLS_BASE64_C) #include "mbedtls/base64.h" #endif #if defined(MBEDTLS_BIGNUM_C) #include "mbedtls/bignum.h" #endif #if defined(MBEDTLS_BLOWFISH_C) #include "mbedtls/blowfish.h" #endif #if defined(MBEDTLS_CAMELLIA_C) #include "mbedtls/camellia.h" #endif #if defined(MBEDTLS_CCM_C) #include "mbedtls/ccm.h" #endif #if defined(MBEDTLS_CHACHA20_C) #include "mbedtls/chacha20.h" #endif #if defined(MBEDTLS_CHACHAPOLY_C) #include "mbedtls/chachapoly.h" #endif #if defined(MBEDTLS_CIPHER_C) #include "mbedtls/cipher.h" #endif #if defined(MBEDTLS_CMAC_C) #include "mbedtls/cmac.h" #endif #if defined(MBEDTLS_CTR_DRBG_C) #include "mbedtls/ctr_drbg.h" #endif #if defined(MBEDTLS_DES_C) #include "mbedtls/des.h" #endif #if defined(MBEDTLS_DHM_C) #include "mbedtls/dhm.h" #endif #if defined(MBEDTLS_ECP_C) #include "mbedtls/ecp.h" #endif #if defined(MBEDTLS_ENTROPY_C) #include "mbedtls/entropy.h" #endif #if defined(MBEDTLS_GCM_C) #include "mbedtls/gcm.h" #endif #if defined(MBEDTLS_HKDF_C) #include "mbedtls/hkdf.h" #endif #if defined(MBEDTLS_HMAC_DRBG_C) #include "mbedtls/hmac_drbg.h" #endif #if defined(MBEDTLS_MD_C) #include "mbedtls/md.h" #endif #if defined(MBEDTLS_MD2_C) #include "mbedtls/md2.h" #endif #if defined(MBEDTLS_MD4_C) #include "mbedtls/md4.h" #endif #if defined(MBEDTLS_MD5_C) #include "mbedtls/md5.h" #endif #if defined(MBEDTLS_NET_C) #include "mbedtls/net_sockets.h" #endif #if defined(MBEDTLS_OID_C) #include "mbedtls/oid.h" #endif #if defined(MBEDTLS_PADLOCK_C) #include "mbedtls/padlock.h" #endif #if defined(MBEDTLS_PEM_PARSE_C) || defined(MBEDTLS_PEM_WRITE_C) #include "mbedtls/pem.h" #endif #if defined(MBEDTLS_PK_C) #include "mbedtls/pk.h" #endif #if defined(MBEDTLS_PKCS12_C) #include "mbedtls/pkcs12.h" #endif #if defined(MBEDTLS_PKCS5_C) #include "mbedtls/pkcs5.h" #endif #if defined(MBEDTLS_POLY1305_C) #include "mbedtls/poly1305.h" #endif #if defined(MBEDTLS_RIPEMD160_C) #include "mbedtls/ripemd160.h" #endif #if defined(MBEDTLS_RSA_C) #include "mbedtls/rsa.h" #endif #if defined(MBEDTLS_SHA1_C) #include "mbedtls/sha1.h" #endif #if defined(MBEDTLS_SHA256_C) #include "mbedtls/sha256.h" #endif #if defined(MBEDTLS_SHA512_C) #include "mbedtls/sha512.h" #endif #if defined(MBEDTLS_SSL_TLS_C) #include "mbedtls/ssl.h" #endif #if defined(MBEDTLS_THREADING_C) #include "mbedtls/threading.h" #endif #if defined(MBEDTLS_X509_USE_C) || defined(MBEDTLS_X509_CREATE_C) #include "mbedtls/x509.h" #endif #if defined(MBEDTLS_XTEA_C) #include "mbedtls/xtea.h" #endif void mbedtls_strerror(int ret, char *buf, size_t buflen) { size_t len; int use_ret; if (buflen == 0) return; memset(buf, 0x00, buflen); if (ret < 0) ret = -ret; if (ret & 0xFF80) { use_ret = ret & 0xFF80; // High level error codes // // BEGIN generated code #if defined(MBEDTLS_CIPHER_C) if (use_ret == -(MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE)) mbedtls_snprintf(buf, buflen, "CIPHER - The selected feature is not available"); if (use_ret == -(MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA)) mbedtls_snprintf(buf, buflen, "CIPHER - Bad input parameters"); if (use_ret == -(MBEDTLS_ERR_CIPHER_ALLOC_FAILED)) mbedtls_snprintf(buf, buflen, "CIPHER - Failed to allocate memory"); if (use_ret == -(MBEDTLS_ERR_CIPHER_INVALID_PADDING)) mbedtls_snprintf(buf, buflen, "CIPHER - Input data contains invalid padding and is rejected"); if (use_ret == -(MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED)) mbedtls_snprintf(buf, buflen, "CIPHER - Decryption of block requires a full block"); if (use_ret == -(MBEDTLS_ERR_CIPHER_AUTH_FAILED)) mbedtls_snprintf(buf, buflen, "CIPHER - Authentication failed (for AEAD modes)"); if (use_ret == -(MBEDTLS_ERR_CIPHER_INVALID_CONTEXT)) mbedtls_snprintf(buf, buflen, "CIPHER - The context is invalid. For example, because it was freed"); if (use_ret == -(MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "CIPHER - Cipher hardware accelerator failed"); #endif /* MBEDTLS_CIPHER_C */ #if defined(MBEDTLS_DHM_C) if (use_ret == -(MBEDTLS_ERR_DHM_BAD_INPUT_DATA)) mbedtls_snprintf(buf, buflen, "DHM - Bad input parameters"); if (use_ret == -(MBEDTLS_ERR_DHM_READ_PARAMS_FAILED)) mbedtls_snprintf(buf, buflen, "DHM - Reading of the DHM parameters failed"); if (use_ret == -(MBEDTLS_ERR_DHM_MAKE_PARAMS_FAILED)) mbedtls_snprintf(buf, buflen, "DHM - Making of the DHM parameters failed"); if (use_ret == -(MBEDTLS_ERR_DHM_READ_PUBLIC_FAILED)) mbedtls_snprintf(buf, buflen, "DHM - Reading of the public values failed"); if (use_ret == -(MBEDTLS_ERR_DHM_MAKE_PUBLIC_FAILED)) mbedtls_snprintf(buf, buflen, "DHM - Making of the public value failed"); if (use_ret == -(MBEDTLS_ERR_DHM_CALC_SECRET_FAILED)) mbedtls_snprintf(buf, buflen, "DHM - Calculation of the DHM secret failed"); if (use_ret == -(MBEDTLS_ERR_DHM_INVALID_FORMAT)) mbedtls_snprintf(buf, buflen, "DHM - The ASN.1 data is not formatted correctly"); if (use_ret == -(MBEDTLS_ERR_DHM_ALLOC_FAILED)) mbedtls_snprintf(buf, buflen, "DHM - Allocation of memory failed"); if (use_ret == -(MBEDTLS_ERR_DHM_FILE_IO_ERROR)) mbedtls_snprintf(buf, buflen, "DHM - Read or write of file failed"); if (use_ret == -(MBEDTLS_ERR_DHM_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "DHM - DHM hardware accelerator failed"); if (use_ret == -(MBEDTLS_ERR_DHM_SET_GROUP_FAILED)) mbedtls_snprintf(buf, buflen, "DHM - Setting the modulus and generator failed"); #endif /* MBEDTLS_DHM_C */ #if defined(MBEDTLS_ECP_C) if (use_ret == -(MBEDTLS_ERR_ECP_BAD_INPUT_DATA)) mbedtls_snprintf(buf, buflen, "ECP - Bad input parameters to function"); if (use_ret == -(MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL)) mbedtls_snprintf(buf, buflen, "ECP - The buffer is too small to write to"); if (use_ret == -(MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE)) mbedtls_snprintf(buf, buflen, "ECP - The requested feature is not available, for example, the requested curve is not supported"); if (use_ret == -(MBEDTLS_ERR_ECP_VERIFY_FAILED)) mbedtls_snprintf(buf, buflen, "ECP - The signature is not valid"); if (use_ret == -(MBEDTLS_ERR_ECP_ALLOC_FAILED)) mbedtls_snprintf(buf, buflen, "ECP - Memory allocation failed"); if (use_ret == -(MBEDTLS_ERR_ECP_RANDOM_FAILED)) mbedtls_snprintf(buf, buflen, "ECP - Generation of random value, such as ephemeral key, failed"); if (use_ret == -(MBEDTLS_ERR_ECP_INVALID_KEY)) mbedtls_snprintf(buf, buflen, "ECP - Invalid private or public key"); if (use_ret == -(MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH)) mbedtls_snprintf(buf, buflen, "ECP - The buffer contains a valid signature followed by more data"); if (use_ret == -(MBEDTLS_ERR_ECP_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "ECP - The ECP hardware accelerator failed"); #endif /* MBEDTLS_ECP_C */ #if defined(MBEDTLS_MD_C) if (use_ret == -(MBEDTLS_ERR_MD_FEATURE_UNAVAILABLE)) mbedtls_snprintf(buf, buflen, "MD - The selected feature is not available"); if (use_ret == -(MBEDTLS_ERR_MD_BAD_INPUT_DATA)) mbedtls_snprintf(buf, buflen, "MD - Bad input parameters to function"); if (use_ret == -(MBEDTLS_ERR_MD_ALLOC_FAILED)) mbedtls_snprintf(buf, buflen, "MD - Failed to allocate memory"); if (use_ret == -(MBEDTLS_ERR_MD_FILE_IO_ERROR)) mbedtls_snprintf(buf, buflen, "MD - Opening or reading of file failed"); if (use_ret == -(MBEDTLS_ERR_MD_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "MD - MD hardware accelerator failed"); #endif /* MBEDTLS_MD_C */ #if defined(MBEDTLS_PEM_PARSE_C) || defined(MBEDTLS_PEM_WRITE_C) if (use_ret == -(MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT)) mbedtls_snprintf(buf, buflen, "PEM - No PEM header or footer found"); if (use_ret == -(MBEDTLS_ERR_PEM_INVALID_DATA)) mbedtls_snprintf(buf, buflen, "PEM - PEM string is not as expected"); if (use_ret == -(MBEDTLS_ERR_PEM_ALLOC_FAILED)) mbedtls_snprintf(buf, buflen, "PEM - Failed to allocate memory"); if (use_ret == -(MBEDTLS_ERR_PEM_INVALID_ENC_IV)) mbedtls_snprintf(buf, buflen, "PEM - RSA IV is not in hex-format"); if (use_ret == -(MBEDTLS_ERR_PEM_UNKNOWN_ENC_ALG)) mbedtls_snprintf(buf, buflen, "PEM - Unsupported key encryption algorithm"); if (use_ret == -(MBEDTLS_ERR_PEM_PASSWORD_REQUIRED)) mbedtls_snprintf(buf, buflen, "PEM - Private key password can't be empty"); if (use_ret == -(MBEDTLS_ERR_PEM_PASSWORD_MISMATCH)) mbedtls_snprintf(buf, buflen, "PEM - Given private key password does not allow for correct decryption"); if (use_ret == -(MBEDTLS_ERR_PEM_FEATURE_UNAVAILABLE)) mbedtls_snprintf(buf, buflen, "PEM - Unavailable feature, e.g. hashing/encryption combination"); if (use_ret == -(MBEDTLS_ERR_PEM_BAD_INPUT_DATA)) mbedtls_snprintf(buf, buflen, "PEM - Bad input parameters to function"); #endif /* MBEDTLS_PEM_PARSE_C || MBEDTLS_PEM_WRITE_C */ #if defined(MBEDTLS_PK_C) if (use_ret == -(MBEDTLS_ERR_PK_ALLOC_FAILED)) mbedtls_snprintf(buf, buflen, "PK - Memory allocation failed"); if (use_ret == -(MBEDTLS_ERR_PK_TYPE_MISMATCH)) mbedtls_snprintf(buf, buflen, "PK - Type mismatch, eg attempt to encrypt with an ECDSA key"); if (use_ret == -(MBEDTLS_ERR_PK_BAD_INPUT_DATA)) mbedtls_snprintf(buf, buflen, "PK - Bad input parameters to function"); if (use_ret == -(MBEDTLS_ERR_PK_FILE_IO_ERROR)) mbedtls_snprintf(buf, buflen, "PK - Read/write of file failed"); if (use_ret == -(MBEDTLS_ERR_PK_KEY_INVALID_VERSION)) mbedtls_snprintf(buf, buflen, "PK - Unsupported key version"); if (use_ret == -(MBEDTLS_ERR_PK_KEY_INVALID_FORMAT)) mbedtls_snprintf(buf, buflen, "PK - Invalid key tag or value"); if (use_ret == -(MBEDTLS_ERR_PK_UNKNOWN_PK_ALG)) mbedtls_snprintf(buf, buflen, "PK - Key algorithm is unsupported (only RSA and EC are supported)"); if (use_ret == -(MBEDTLS_ERR_PK_PASSWORD_REQUIRED)) mbedtls_snprintf(buf, buflen, "PK - Private key password can't be empty"); if (use_ret == -(MBEDTLS_ERR_PK_PASSWORD_MISMATCH)) mbedtls_snprintf(buf, buflen, "PK - Given private key password does not allow for correct decryption"); if (use_ret == -(MBEDTLS_ERR_PK_INVALID_PUBKEY)) mbedtls_snprintf(buf, buflen, "PK - The pubkey tag or value is invalid (only RSA and EC are supported)"); if (use_ret == -(MBEDTLS_ERR_PK_INVALID_ALG)) mbedtls_snprintf(buf, buflen, "PK - The algorithm tag or value is invalid"); if (use_ret == -(MBEDTLS_ERR_PK_UNKNOWN_NAMED_CURVE)) mbedtls_snprintf(buf, buflen, "PK - Elliptic curve is unsupported (only NIST curves are supported)"); if (use_ret == -(MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE)) mbedtls_snprintf(buf, buflen, "PK - Unavailable feature, e.g. RSA disabled for RSA key"); if (use_ret == -(MBEDTLS_ERR_PK_SIG_LEN_MISMATCH)) mbedtls_snprintf(buf, buflen, "PK - The buffer contains a valid signature followed by more data"); if (use_ret == -(MBEDTLS_ERR_PK_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "PK - PK hardware accelerator failed"); #endif /* MBEDTLS_PK_C */ #if defined(MBEDTLS_PKCS12_C) if (use_ret == -(MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA)) mbedtls_snprintf(buf, buflen, "PKCS12 - Bad input parameters to function"); if (use_ret == -(MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE)) mbedtls_snprintf(buf, buflen, "PKCS12 - Feature not available, e.g. unsupported encryption scheme"); if (use_ret == -(MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT)) mbedtls_snprintf(buf, buflen, "PKCS12 - PBE ASN.1 data not as expected"); if (use_ret == -(MBEDTLS_ERR_PKCS12_PASSWORD_MISMATCH)) mbedtls_snprintf(buf, buflen, "PKCS12 - Given private key password does not allow for correct decryption"); #endif /* MBEDTLS_PKCS12_C */ #if defined(MBEDTLS_PKCS5_C) if (use_ret == -(MBEDTLS_ERR_PKCS5_BAD_INPUT_DATA)) mbedtls_snprintf(buf, buflen, "PKCS5 - Bad input parameters to function"); if (use_ret == -(MBEDTLS_ERR_PKCS5_INVALID_FORMAT)) mbedtls_snprintf(buf, buflen, "PKCS5 - Unexpected ASN.1 data"); if (use_ret == -(MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE)) mbedtls_snprintf(buf, buflen, "PKCS5 - Requested encryption or digest alg not available"); if (use_ret == -(MBEDTLS_ERR_PKCS5_PASSWORD_MISMATCH)) mbedtls_snprintf(buf, buflen, "PKCS5 - Given private key password does not allow for correct decryption"); #endif /* MBEDTLS_PKCS5_C */ #if defined(MBEDTLS_RSA_C) if (use_ret == -(MBEDTLS_ERR_RSA_BAD_INPUT_DATA)) mbedtls_snprintf(buf, buflen, "RSA - Bad input parameters to function"); if (use_ret == -(MBEDTLS_ERR_RSA_INVALID_PADDING)) mbedtls_snprintf(buf, buflen, "RSA - Input data contains invalid padding and is rejected"); if (use_ret == -(MBEDTLS_ERR_RSA_KEY_GEN_FAILED)) mbedtls_snprintf(buf, buflen, "RSA - Something failed during generation of a key"); if (use_ret == -(MBEDTLS_ERR_RSA_KEY_CHECK_FAILED)) mbedtls_snprintf(buf, buflen, "RSA - Key failed to pass the validity check of the library"); if (use_ret == -(MBEDTLS_ERR_RSA_PUBLIC_FAILED)) mbedtls_snprintf(buf, buflen, "RSA - The public key operation failed"); if (use_ret == -(MBEDTLS_ERR_RSA_PRIVATE_FAILED)) mbedtls_snprintf(buf, buflen, "RSA - The private key operation failed"); if (use_ret == -(MBEDTLS_ERR_RSA_VERIFY_FAILED)) mbedtls_snprintf(buf, buflen, "RSA - The PKCS#1 verification failed"); if (use_ret == -(MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE)) mbedtls_snprintf(buf, buflen, "RSA - The output buffer for decryption is not large enough"); if (use_ret == -(MBEDTLS_ERR_RSA_RNG_FAILED)) mbedtls_snprintf(buf, buflen, "RSA - The random generator failed to generate non-zeros"); if (use_ret == -(MBEDTLS_ERR_RSA_UNSUPPORTED_OPERATION)) mbedtls_snprintf(buf, buflen, "RSA - The implementation does not offer the requested operation, for example, because of security violations or lack of functionality"); if (use_ret == -(MBEDTLS_ERR_RSA_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "RSA - RSA hardware accelerator failed"); #endif /* MBEDTLS_RSA_C */ #if defined(MBEDTLS_SSL_TLS_C) if (use_ret == -(MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE)) mbedtls_snprintf(buf, buflen, "SSL - The requested feature is not available"); if (use_ret == -(MBEDTLS_ERR_SSL_BAD_INPUT_DATA)) mbedtls_snprintf(buf, buflen, "SSL - Bad input parameters to function"); if (use_ret == -(MBEDTLS_ERR_SSL_INVALID_MAC)) mbedtls_snprintf(buf, buflen, "SSL - Verification of the message MAC failed"); if (use_ret == -(MBEDTLS_ERR_SSL_INVALID_RECORD)) mbedtls_snprintf(buf, buflen, "SSL - An invalid SSL record was received"); if (use_ret == -(MBEDTLS_ERR_SSL_CONN_EOF)) mbedtls_snprintf(buf, buflen, "SSL - The connection indicated an EOF"); if (use_ret == -(MBEDTLS_ERR_SSL_UNKNOWN_CIPHER)) mbedtls_snprintf(buf, buflen, "SSL - An unknown cipher was received"); if (use_ret == -(MBEDTLS_ERR_SSL_NO_CIPHER_CHOSEN)) mbedtls_snprintf(buf, buflen, "SSL - The server has no ciphersuites in common with the client"); if (use_ret == -(MBEDTLS_ERR_SSL_NO_RNG)) mbedtls_snprintf(buf, buflen, "SSL - No RNG was provided to the SSL module"); if (use_ret == -(MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE)) mbedtls_snprintf(buf, buflen, "SSL - No client certification received from the client, but required by the authentication mode"); if (use_ret == -(MBEDTLS_ERR_SSL_CERTIFICATE_TOO_LARGE)) mbedtls_snprintf(buf, buflen, "SSL - Our own certificate(s) is/are too large to send in an SSL message"); if (use_ret == -(MBEDTLS_ERR_SSL_CERTIFICATE_REQUIRED)) mbedtls_snprintf(buf, buflen, "SSL - The own certificate is not set, but needed by the server"); if (use_ret == -(MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED)) mbedtls_snprintf(buf, buflen, "SSL - The own private key or pre-shared key is not set, but needed"); if (use_ret == -(MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED)) mbedtls_snprintf(buf, buflen, "SSL - No CA Chain is set, but required to operate"); if (use_ret == -(MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE)) mbedtls_snprintf(buf, buflen, "SSL - An unexpected message was received from our peer"); if (use_ret == -(MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE)) { mbedtls_snprintf(buf, buflen, "SSL - A fatal alert message was received from our peer"); return; } if (use_ret == -(MBEDTLS_ERR_SSL_PEER_VERIFY_FAILED)) mbedtls_snprintf(buf, buflen, "SSL - Verification of our peer failed"); if (use_ret == -(MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY)) mbedtls_snprintf(buf, buflen, "SSL - The peer notified us that the connection is going to be closed"); if (use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO)) mbedtls_snprintf(buf, buflen, "SSL - Processing of the ClientHello handshake message failed"); if (use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO)) mbedtls_snprintf(buf, buflen, "SSL - Processing of the ServerHello handshake message failed"); if (use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE)) mbedtls_snprintf(buf, buflen, "SSL - Processing of the Certificate handshake message failed"); if (use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST)) mbedtls_snprintf(buf, buflen, "SSL - Processing of the CertificateRequest handshake message failed"); if (use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE)) mbedtls_snprintf(buf, buflen, "SSL - Processing of the ServerKeyExchange handshake message failed"); if (use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO_DONE)) mbedtls_snprintf(buf, buflen, "SSL - Processing of the ServerHelloDone handshake message failed"); if (use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE)) mbedtls_snprintf(buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed"); if (use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP)) mbedtls_snprintf(buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Read Public"); if (use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_CS)) mbedtls_snprintf(buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Calculate Secret"); if (use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY)) mbedtls_snprintf(buf, buflen, "SSL - Processing of the CertificateVerify handshake message failed"); if (use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CHANGE_CIPHER_SPEC)) mbedtls_snprintf(buf, buflen, "SSL - Processing of the ChangeCipherSpec handshake message failed"); if (use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_FINISHED)) mbedtls_snprintf(buf, buflen, "SSL - Processing of the Finished handshake message failed"); if (use_ret == -(MBEDTLS_ERR_SSL_ALLOC_FAILED)) mbedtls_snprintf(buf, buflen, "SSL - Memory allocation failed"); if (use_ret == -(MBEDTLS_ERR_SSL_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "SSL - Hardware acceleration function returned with error"); if (use_ret == -(MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH)) mbedtls_snprintf(buf, buflen, "SSL - Hardware acceleration function skipped / left alone data"); if (use_ret == -(MBEDTLS_ERR_SSL_COMPRESSION_FAILED)) mbedtls_snprintf(buf, buflen, "SSL - Processing of the compression / decompression failed"); if (use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION)) mbedtls_snprintf(buf, buflen, "SSL - Handshake protocol not within min/max boundaries"); if (use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET)) mbedtls_snprintf(buf, buflen, "SSL - Processing of the NewSessionTicket handshake message failed"); if (use_ret == -(MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED)) mbedtls_snprintf(buf, buflen, "SSL - Session ticket has expired"); if (use_ret == -(MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH)) mbedtls_snprintf(buf, buflen, "SSL - Public key type mismatch (eg, asked for RSA key exchange and presented EC key)"); if (use_ret == -(MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY)) mbedtls_snprintf(buf, buflen, "SSL - Unknown identity received (eg, PSK identity)"); if (use_ret == -(MBEDTLS_ERR_SSL_INTERNAL_ERROR)) mbedtls_snprintf(buf, buflen, "SSL - Internal error (eg, unexpected failure in lower-level module)"); if (use_ret == -(MBEDTLS_ERR_SSL_COUNTER_WRAPPING)) mbedtls_snprintf(buf, buflen, "SSL - A counter would wrap (eg, too many messages exchanged)"); if (use_ret == -(MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO)) mbedtls_snprintf(buf, buflen, "SSL - Unexpected message at ServerHello in renegotiation"); if (use_ret == -(MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED)) mbedtls_snprintf(buf, buflen, "SSL - DTLS client must retry for hello verification"); if (use_ret == -(MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL)) mbedtls_snprintf(buf, buflen, "SSL - A buffer is too small to receive or write a message"); if (use_ret == -(MBEDTLS_ERR_SSL_NO_USABLE_CIPHERSUITE)) mbedtls_snprintf(buf, buflen, "SSL - None of the common ciphersuites is usable (eg, no suitable certificate, see debug messages)"); if (use_ret == -(MBEDTLS_ERR_SSL_WANT_READ)) mbedtls_snprintf(buf, buflen, "SSL - No data of requested type currently available on underlying transport"); if (use_ret == -(MBEDTLS_ERR_SSL_WANT_WRITE)) mbedtls_snprintf(buf, buflen, "SSL - Connection requires a write call"); if (use_ret == -(MBEDTLS_ERR_SSL_TIMEOUT)) mbedtls_snprintf(buf, buflen, "SSL - The operation timed out"); if (use_ret == -(MBEDTLS_ERR_SSL_CLIENT_RECONNECT)) mbedtls_snprintf(buf, buflen, "SSL - The client initiated a reconnect from the same port"); if (use_ret == -(MBEDTLS_ERR_SSL_UNEXPECTED_RECORD)) mbedtls_snprintf(buf, buflen, "SSL - Record header looks valid but is not expected"); if (use_ret == -(MBEDTLS_ERR_SSL_NON_FATAL)) mbedtls_snprintf(buf, buflen, "SSL - The alert message received indicates a non-fatal error"); if (use_ret == -(MBEDTLS_ERR_SSL_INVALID_VERIFY_HASH)) mbedtls_snprintf(buf, buflen, "SSL - Couldn't set the hash for verifying CertificateVerify"); if (use_ret == -(MBEDTLS_ERR_SSL_CONTINUE_PROCESSING)) mbedtls_snprintf(buf, buflen, "SSL - Internal-only message signaling that further message-processing should be done"); if (use_ret == -(MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS)) mbedtls_snprintf(buf, buflen, "SSL - The asynchronous operation is not completed yet"); if (use_ret == -(MBEDTLS_ERR_SSL_EARLY_MESSAGE)) mbedtls_snprintf(buf, buflen, "SSL - Internal-only message signaling that a message arrived early"); #endif /* MBEDTLS_SSL_TLS_C */ #if defined(MBEDTLS_X509_USE_C) || defined(MBEDTLS_X509_CREATE_C) if (use_ret == -(MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE)) mbedtls_snprintf(buf, buflen, "X509 - Unavailable feature, e.g. RSA hashing/encryption combination"); if (use_ret == -(MBEDTLS_ERR_X509_UNKNOWN_OID)) mbedtls_snprintf(buf, buflen, "X509 - Requested OID is unknown"); if (use_ret == -(MBEDTLS_ERR_X509_INVALID_FORMAT)) mbedtls_snprintf(buf, buflen, "X509 - The CRT/CRL/CSR format is invalid, e.g. different type expected"); if (use_ret == -(MBEDTLS_ERR_X509_INVALID_VERSION)) mbedtls_snprintf(buf, buflen, "X509 - The CRT/CRL/CSR version element is invalid"); if (use_ret == -(MBEDTLS_ERR_X509_INVALID_SERIAL)) mbedtls_snprintf(buf, buflen, "X509 - The serial tag or value is invalid"); if (use_ret == -(MBEDTLS_ERR_X509_INVALID_ALG)) mbedtls_snprintf(buf, buflen, "X509 - The algorithm tag or value is invalid"); if (use_ret == -(MBEDTLS_ERR_X509_INVALID_NAME)) mbedtls_snprintf(buf, buflen, "X509 - The name tag or value is invalid"); if (use_ret == -(MBEDTLS_ERR_X509_INVALID_DATE)) mbedtls_snprintf(buf, buflen, "X509 - The date tag or value is invalid"); if (use_ret == -(MBEDTLS_ERR_X509_INVALID_SIGNATURE)) mbedtls_snprintf(buf, buflen, "X509 - The signature tag or value invalid"); if (use_ret == -(MBEDTLS_ERR_X509_INVALID_EXTENSIONS)) mbedtls_snprintf(buf, buflen, "X509 - The extension tag or value is invalid"); if (use_ret == -(MBEDTLS_ERR_X509_UNKNOWN_VERSION)) mbedtls_snprintf(buf, buflen, "X509 - CRT/CRL/CSR has an unsupported version number"); if (use_ret == -(MBEDTLS_ERR_X509_UNKNOWN_SIG_ALG)) mbedtls_snprintf(buf, buflen, "X509 - Signature algorithm (oid) is unsupported"); if (use_ret == -(MBEDTLS_ERR_X509_SIG_MISMATCH)) mbedtls_snprintf(buf, buflen, "X509 - Signature algorithms do not match. (see \\c ::mbedtls_x509_crt sig_oid)"); if (use_ret == -(MBEDTLS_ERR_X509_CERT_VERIFY_FAILED)) mbedtls_snprintf(buf, buflen, "X509 - Certificate verification failed, e.g. CRL, CA or signature check failed"); if (use_ret == -(MBEDTLS_ERR_X509_CERT_UNKNOWN_FORMAT)) mbedtls_snprintf(buf, buflen, "X509 - Format not recognized as DER or PEM"); if (use_ret == -(MBEDTLS_ERR_X509_BAD_INPUT_DATA)) mbedtls_snprintf(buf, buflen, "X509 - Input invalid"); if (use_ret == -(MBEDTLS_ERR_X509_ALLOC_FAILED)) mbedtls_snprintf(buf, buflen, "X509 - Allocation of memory failed"); if (use_ret == -(MBEDTLS_ERR_X509_FILE_IO_ERROR)) mbedtls_snprintf(buf, buflen, "X509 - Read/write of file failed"); if (use_ret == -(MBEDTLS_ERR_X509_BUFFER_TOO_SMALL)) mbedtls_snprintf(buf, buflen, "X509 - Destination buffer is too small"); if (use_ret == -(MBEDTLS_ERR_X509_FATAL_ERROR)) mbedtls_snprintf(buf, buflen, "X509 - A fatal error occurred, eg the chain is too long or the vrfy callback failed"); #endif /* MBEDTLS_X509_USE_C || MBEDTLS_X509_CREATE_C */ // END generated code if (strlen(buf) == 0) mbedtls_snprintf(buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret); } use_ret = ret & ~0xFF80; if (use_ret == 0) return; // If high level code is present, make a concatenation between both // error strings. // len = strlen(buf); if (len > 0) { if (buflen - len < 5) return; mbedtls_snprintf(buf + len, buflen - len, " : "); buf += len + 3; buflen -= len + 3; } // Low level error codes // // BEGIN generated code #if defined(MBEDTLS_AES_C) if (use_ret == -(MBEDTLS_ERR_AES_INVALID_KEY_LENGTH)) mbedtls_snprintf(buf, buflen, "AES - Invalid key length"); if (use_ret == -(MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH)) mbedtls_snprintf(buf, buflen, "AES - Invalid data input length"); if (use_ret == -(MBEDTLS_ERR_AES_BAD_INPUT_DATA)) mbedtls_snprintf(buf, buflen, "AES - Invalid input data"); if (use_ret == -(MBEDTLS_ERR_AES_FEATURE_UNAVAILABLE)) mbedtls_snprintf(buf, buflen, "AES - Feature not available. For example, an unsupported AES key size"); if (use_ret == -(MBEDTLS_ERR_AES_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "AES - AES hardware accelerator failed"); #endif /* MBEDTLS_AES_C */ #if defined(MBEDTLS_ARC4_C) if (use_ret == -(MBEDTLS_ERR_ARC4_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "ARC4 - ARC4 hardware accelerator failed"); #endif /* MBEDTLS_ARC4_C */ #if defined(MBEDTLS_ARIA_C) if (use_ret == -(MBEDTLS_ERR_ARIA_INVALID_KEY_LENGTH)) mbedtls_snprintf(buf, buflen, "ARIA - Invalid key length"); if (use_ret == -(MBEDTLS_ERR_ARIA_INVALID_INPUT_LENGTH)) mbedtls_snprintf(buf, buflen, "ARIA - Invalid data input length"); if (use_ret == -(MBEDTLS_ERR_ARIA_FEATURE_UNAVAILABLE)) mbedtls_snprintf(buf, buflen, "ARIA - Feature not available. For example, an unsupported ARIA key size"); if (use_ret == -(MBEDTLS_ERR_ARIA_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "ARIA - ARIA hardware accelerator failed"); #endif /* MBEDTLS_ARIA_C */ #if defined(MBEDTLS_ASN1_PARSE_C) if (use_ret == -(MBEDTLS_ERR_ASN1_OUT_OF_DATA)) mbedtls_snprintf(buf, buflen, "ASN1 - Out of data when parsing an ASN1 data structure"); if (use_ret == -(MBEDTLS_ERR_ASN1_UNEXPECTED_TAG)) mbedtls_snprintf(buf, buflen, "ASN1 - ASN1 tag was of an unexpected value"); if (use_ret == -(MBEDTLS_ERR_ASN1_INVALID_LENGTH)) mbedtls_snprintf(buf, buflen, "ASN1 - Error when trying to determine the length or invalid length"); if (use_ret == -(MBEDTLS_ERR_ASN1_LENGTH_MISMATCH)) mbedtls_snprintf(buf, buflen, "ASN1 - Actual length differs from expected length"); if (use_ret == -(MBEDTLS_ERR_ASN1_INVALID_DATA)) mbedtls_snprintf(buf, buflen, "ASN1 - Data is invalid. (not used)"); if (use_ret == -(MBEDTLS_ERR_ASN1_ALLOC_FAILED)) mbedtls_snprintf(buf, buflen, "ASN1 - Memory allocation failed"); if (use_ret == -(MBEDTLS_ERR_ASN1_BUF_TOO_SMALL)) mbedtls_snprintf(buf, buflen, "ASN1 - Buffer too small when writing ASN.1 data structure"); #endif /* MBEDTLS_ASN1_PARSE_C */ #if defined(MBEDTLS_BASE64_C) if (use_ret == -(MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL)) mbedtls_snprintf(buf, buflen, "BASE64 - Output buffer too small"); if (use_ret == -(MBEDTLS_ERR_BASE64_INVALID_CHARACTER)) mbedtls_snprintf(buf, buflen, "BASE64 - Invalid character in input"); #endif /* MBEDTLS_BASE64_C */ #if defined(MBEDTLS_BIGNUM_C) if (use_ret == -(MBEDTLS_ERR_MPI_FILE_IO_ERROR)) mbedtls_snprintf(buf, buflen, "BIGNUM - An error occurred while reading from or writing to a file"); if (use_ret == -(MBEDTLS_ERR_MPI_BAD_INPUT_DATA)) mbedtls_snprintf(buf, buflen, "BIGNUM - Bad input parameters to function"); if (use_ret == -(MBEDTLS_ERR_MPI_INVALID_CHARACTER)) mbedtls_snprintf(buf, buflen, "BIGNUM - There is an invalid character in the digit string"); if (use_ret == -(MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL)) mbedtls_snprintf(buf, buflen, "BIGNUM - The buffer is too small to write to"); if (use_ret == -(MBEDTLS_ERR_MPI_NEGATIVE_VALUE)) mbedtls_snprintf(buf, buflen, "BIGNUM - The input arguments are negative or result in illegal output"); if (use_ret == -(MBEDTLS_ERR_MPI_DIVISION_BY_ZERO)) mbedtls_snprintf(buf, buflen, "BIGNUM - The input argument for division is zero, which is not allowed"); if (use_ret == -(MBEDTLS_ERR_MPI_NOT_ACCEPTABLE)) mbedtls_snprintf(buf, buflen, "BIGNUM - The input arguments are not acceptable"); if (use_ret == -(MBEDTLS_ERR_MPI_ALLOC_FAILED)) mbedtls_snprintf(buf, buflen, "BIGNUM - Memory allocation failed"); #endif /* MBEDTLS_BIGNUM_C */ #if defined(MBEDTLS_BLOWFISH_C) if (use_ret == -(MBEDTLS_ERR_BLOWFISH_INVALID_KEY_LENGTH)) mbedtls_snprintf(buf, buflen, "BLOWFISH - Invalid key length"); if (use_ret == -(MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "BLOWFISH - Blowfish hardware accelerator failed"); if (use_ret == -(MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH)) mbedtls_snprintf(buf, buflen, "BLOWFISH - Invalid data input length"); #endif /* MBEDTLS_BLOWFISH_C */ #if defined(MBEDTLS_CAMELLIA_C) if (use_ret == -(MBEDTLS_ERR_CAMELLIA_INVALID_KEY_LENGTH)) mbedtls_snprintf(buf, buflen, "CAMELLIA - Invalid key length"); if (use_ret == -(MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH)) mbedtls_snprintf(buf, buflen, "CAMELLIA - Invalid data input length"); if (use_ret == -(MBEDTLS_ERR_CAMELLIA_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "CAMELLIA - Camellia hardware accelerator failed"); #endif /* MBEDTLS_CAMELLIA_C */ #if defined(MBEDTLS_CCM_C) if (use_ret == -(MBEDTLS_ERR_CCM_BAD_INPUT)) mbedtls_snprintf(buf, buflen, "CCM - Bad input parameters to the function"); if (use_ret == -(MBEDTLS_ERR_CCM_AUTH_FAILED)) mbedtls_snprintf(buf, buflen, "CCM - Authenticated decryption failed"); if (use_ret == -(MBEDTLS_ERR_CCM_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "CCM - CCM hardware accelerator failed"); #endif /* MBEDTLS_CCM_C */ #if defined(MBEDTLS_CHACHA20_C) if (use_ret == -(MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA)) mbedtls_snprintf(buf, buflen, "CHACHA20 - Invalid input parameter(s)"); if (use_ret == -(MBEDTLS_ERR_CHACHA20_FEATURE_UNAVAILABLE)) mbedtls_snprintf(buf, buflen, "CHACHA20 - Feature not available. For example, s part of the API is not implemented"); if (use_ret == -(MBEDTLS_ERR_CHACHA20_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "CHACHA20 - Chacha20 hardware accelerator failed"); #endif /* MBEDTLS_CHACHA20_C */ #if defined(MBEDTLS_CHACHAPOLY_C) if (use_ret == -(MBEDTLS_ERR_CHACHAPOLY_BAD_STATE)) mbedtls_snprintf(buf, buflen, "CHACHAPOLY - The requested operation is not permitted in the current state"); if (use_ret == -(MBEDTLS_ERR_CHACHAPOLY_AUTH_FAILED)) mbedtls_snprintf(buf, buflen, "CHACHAPOLY - Authenticated decryption failed: data was not authentic"); #endif /* MBEDTLS_CHACHAPOLY_C */ #if defined(MBEDTLS_CMAC_C) if (use_ret == -(MBEDTLS_ERR_CMAC_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "CMAC - CMAC hardware accelerator failed"); #endif /* MBEDTLS_CMAC_C */ #if defined(MBEDTLS_CTR_DRBG_C) if (use_ret == -(MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED)) mbedtls_snprintf(buf, buflen, "CTR_DRBG - The entropy source failed"); if (use_ret == -(MBEDTLS_ERR_CTR_DRBG_REQUEST_TOO_BIG)) mbedtls_snprintf(buf, buflen, "CTR_DRBG - The requested random buffer length is too big"); if (use_ret == -(MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG)) mbedtls_snprintf(buf, buflen, "CTR_DRBG - The input (entropy + additional data) is too large"); if (use_ret == -(MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR)) mbedtls_snprintf(buf, buflen, "CTR_DRBG - Read or write error in file"); #endif /* MBEDTLS_CTR_DRBG_C */ #if defined(MBEDTLS_DES_C) if (use_ret == -(MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH)) mbedtls_snprintf(buf, buflen, "DES - The data input has an invalid length"); if (use_ret == -(MBEDTLS_ERR_DES_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "DES - DES hardware accelerator failed"); #endif /* MBEDTLS_DES_C */ #if defined(MBEDTLS_ENTROPY_C) if (use_ret == -(MBEDTLS_ERR_ENTROPY_SOURCE_FAILED)) mbedtls_snprintf(buf, buflen, "ENTROPY - Critical entropy source failure"); if (use_ret == -(MBEDTLS_ERR_ENTROPY_MAX_SOURCES)) mbedtls_snprintf(buf, buflen, "ENTROPY - No more sources can be added"); if (use_ret == -(MBEDTLS_ERR_ENTROPY_NO_SOURCES_DEFINED)) mbedtls_snprintf(buf, buflen, "ENTROPY - No sources have been added to poll"); if (use_ret == -(MBEDTLS_ERR_ENTROPY_NO_STRONG_SOURCE)) mbedtls_snprintf(buf, buflen, "ENTROPY - No strong sources have been added to poll"); if (use_ret == -(MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR)) mbedtls_snprintf(buf, buflen, "ENTROPY - Read/write error in file"); #endif /* MBEDTLS_ENTROPY_C */ #if defined(MBEDTLS_GCM_C) if (use_ret == -(MBEDTLS_ERR_GCM_AUTH_FAILED)) mbedtls_snprintf(buf, buflen, "GCM - Authenticated decryption failed"); if (use_ret == -(MBEDTLS_ERR_GCM_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "GCM - GCM hardware accelerator failed"); if (use_ret == -(MBEDTLS_ERR_GCM_BAD_INPUT)) mbedtls_snprintf(buf, buflen, "GCM - Bad input parameters to function"); #endif /* MBEDTLS_GCM_C */ #if defined(MBEDTLS_HKDF_C) if (use_ret == -(MBEDTLS_ERR_HKDF_BAD_INPUT_DATA)) mbedtls_snprintf(buf, buflen, "HKDF - Bad input parameters to function"); #endif /* MBEDTLS_HKDF_C */ #if defined(MBEDTLS_HMAC_DRBG_C) if (use_ret == -(MBEDTLS_ERR_HMAC_DRBG_REQUEST_TOO_BIG)) mbedtls_snprintf(buf, buflen, "HMAC_DRBG - Too many random requested in single call"); if (use_ret == -(MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG)) mbedtls_snprintf(buf, buflen, "HMAC_DRBG - Input too large (Entropy + additional)"); if (use_ret == -(MBEDTLS_ERR_HMAC_DRBG_FILE_IO_ERROR)) mbedtls_snprintf(buf, buflen, "HMAC_DRBG - Read/write error in file"); if (use_ret == -(MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED)) mbedtls_snprintf(buf, buflen, "HMAC_DRBG - The entropy source failed"); #endif /* MBEDTLS_HMAC_DRBG_C */ #if defined(MBEDTLS_MD2_C) if (use_ret == -(MBEDTLS_ERR_MD2_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "MD2 - MD2 hardware accelerator failed"); #endif /* MBEDTLS_MD2_C */ #if defined(MBEDTLS_MD4_C) if (use_ret == -(MBEDTLS_ERR_MD4_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "MD4 - MD4 hardware accelerator failed"); #endif /* MBEDTLS_MD4_C */ #if defined(MBEDTLS_MD5_C) if (use_ret == -(MBEDTLS_ERR_MD5_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "MD5 - MD5 hardware accelerator failed"); #endif /* MBEDTLS_MD5_C */ #if defined(MBEDTLS_NET_C) if (use_ret == -(MBEDTLS_ERR_NET_SOCKET_FAILED)) mbedtls_snprintf(buf, buflen, "NET - Failed to open a socket"); if (use_ret == -(MBEDTLS_ERR_NET_CONNECT_FAILED)) mbedtls_snprintf(buf, buflen, "NET - The connection to the given server / port failed"); if (use_ret == -(MBEDTLS_ERR_NET_BIND_FAILED)) mbedtls_snprintf(buf, buflen, "NET - Binding of the socket failed"); if (use_ret == -(MBEDTLS_ERR_NET_LISTEN_FAILED)) mbedtls_snprintf(buf, buflen, "NET - Could not listen on the socket"); if (use_ret == -(MBEDTLS_ERR_NET_ACCEPT_FAILED)) mbedtls_snprintf(buf, buflen, "NET - Could not accept the incoming connection"); if (use_ret == -(MBEDTLS_ERR_NET_RECV_FAILED)) mbedtls_snprintf(buf, buflen, "NET - Reading information from the socket failed"); if (use_ret == -(MBEDTLS_ERR_NET_SEND_FAILED)) mbedtls_snprintf(buf, buflen, "NET - Sending information through the socket failed"); if (use_ret == -(MBEDTLS_ERR_NET_CONN_RESET)) mbedtls_snprintf(buf, buflen, "NET - Connection was reset by peer"); if (use_ret == -(MBEDTLS_ERR_NET_UNKNOWN_HOST)) mbedtls_snprintf(buf, buflen, "NET - Failed to get an IP address for the given hostname"); if (use_ret == -(MBEDTLS_ERR_NET_BUFFER_TOO_SMALL)) mbedtls_snprintf(buf, buflen, "NET - Buffer is too small to hold the data"); if (use_ret == -(MBEDTLS_ERR_NET_INVALID_CONTEXT)) mbedtls_snprintf(buf, buflen, "NET - The context is invalid, eg because it was free()ed"); if (use_ret == -(MBEDTLS_ERR_NET_POLL_FAILED)) mbedtls_snprintf(buf, buflen, "NET - Polling the net context failed"); if (use_ret == -(MBEDTLS_ERR_NET_BAD_INPUT_DATA)) mbedtls_snprintf(buf, buflen, "NET - Input invalid"); #endif /* MBEDTLS_NET_C */ #if defined(MBEDTLS_OID_C) if (use_ret == -(MBEDTLS_ERR_OID_NOT_FOUND)) mbedtls_snprintf(buf, buflen, "OID - OID is not found"); if (use_ret == -(MBEDTLS_ERR_OID_BUF_TOO_SMALL)) mbedtls_snprintf(buf, buflen, "OID - output buffer is too small"); #endif /* MBEDTLS_OID_C */ #if defined(MBEDTLS_PADLOCK_C) if (use_ret == -(MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED)) mbedtls_snprintf(buf, buflen, "PADLOCK - Input data should be aligned"); #endif /* MBEDTLS_PADLOCK_C */ #if defined(MBEDTLS_POLY1305_C) if (use_ret == -(MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA)) mbedtls_snprintf(buf, buflen, "POLY1305 - Invalid input parameter(s)"); if (use_ret == -(MBEDTLS_ERR_POLY1305_FEATURE_UNAVAILABLE)) mbedtls_snprintf(buf, buflen, "POLY1305 - Feature not available. For example, s part of the API is not implemented"); if (use_ret == -(MBEDTLS_ERR_POLY1305_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "POLY1305 - Poly1305 hardware accelerator failed"); #endif /* MBEDTLS_POLY1305_C */ #if defined(MBEDTLS_RIPEMD160_C) if (use_ret == -(MBEDTLS_ERR_RIPEMD160_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "RIPEMD160 - RIPEMD160 hardware accelerator failed"); #endif /* MBEDTLS_RIPEMD160_C */ #if defined(MBEDTLS_SHA1_C) if (use_ret == -(MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "SHA1 - SHA-1 hardware accelerator failed"); #endif /* MBEDTLS_SHA1_C */ #if defined(MBEDTLS_SHA256_C) if (use_ret == -(MBEDTLS_ERR_SHA256_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "SHA256 - SHA-256 hardware accelerator failed"); #endif /* MBEDTLS_SHA256_C */ #if defined(MBEDTLS_SHA512_C) if (use_ret == -(MBEDTLS_ERR_SHA512_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "SHA512 - SHA-512 hardware accelerator failed"); #endif /* MBEDTLS_SHA512_C */ #if defined(MBEDTLS_THREADING_C) if (use_ret == -(MBEDTLS_ERR_THREADING_FEATURE_UNAVAILABLE)) mbedtls_snprintf(buf, buflen, "THREADING - The selected feature is not available"); if (use_ret == -(MBEDTLS_ERR_THREADING_BAD_INPUT_DATA)) mbedtls_snprintf(buf, buflen, "THREADING - Bad input parameters to function"); if (use_ret == -(MBEDTLS_ERR_THREADING_MUTEX_ERROR)) mbedtls_snprintf(buf, buflen, "THREADING - Locking / unlocking / free failed with error code"); #endif /* MBEDTLS_THREADING_C */ #if defined(MBEDTLS_XTEA_C) if (use_ret == -(MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH)) mbedtls_snprintf(buf, buflen, "XTEA - The data input has an invalid length"); if (use_ret == -(MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED)) mbedtls_snprintf(buf, buflen, "XTEA - XTEA hardware accelerator failed"); #endif /* MBEDTLS_XTEA_C */ // END generated code if (strlen(buf) != 0) return; mbedtls_snprintf(buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret); } #else /* MBEDTLS_ERROR_C */ #if defined(MBEDTLS_ERROR_STRERROR_DUMMY) /* * Provide an non-function in case MBEDTLS_ERROR_C is not defined */ void mbedtls_strerror(int ret, char *buf, size_t buflen) { ((void) ret); if (buflen > 0) buf[0] = '\0'; } #endif /* MBEDTLS_ERROR_STRERROR_DUMMY */ #endif /* MBEDTLS_ERROR_C */