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FreeRTOS/FreeRTOS-Plus/Source/Utilities/mbedtls_freertos/mbedtls_error.c
Oscar Michael Abrina f23752164b Map errors from FreeRTOS+TCP to mbedTLS and make read non-blocking when requesting start of frame (#452) 
From the FreeRTOS documentation, pdFREERTOS_ERRNO_ENOSPC means that timeout occurred before any data could be sent or received.
- In the plaintext transport-interface implementation, we would directly return `-pdFREERTOS_ERRNO_ENOSPC`. However, an error like this can occur when the TCP buffer is full, so this ought to be retriable. Libraries that consume the transport interface interpret a return value of 0 to mean that send/recv can be invoked again to get the data. As such, we should appropriately set the return value as 0 when the status is `-pdFREERTOS_ERRNO_ENOSPC`.
- In the mbedTLS port, we would directly return whatever `FreeRTOS_send` or `FreeRTOS_recv` returns. However, sometimes, the return value can be an error. In such cases, we ought to map an error from FreeRTOS+TCP to an equivalent error in mbedTLS. In the case of `-pdFREERTOS_ERRNO_ENOSPC`, we map that to `MBEDTLS_ERR_SSL_TIMEOUT`. When the mbedTLS transport-interface send/recv wrapper sees that value, it appropriately returns 0, so that the library can retry the send/recv. I've verified that when the mbedTLS port returns an error, that same error is returned by `mbedtls_ssl_write` & `mbedtls_ssl_read`.
- The TCP socket may have a receive block time.  If bytesToRecv is greater than 1 then a frame is likely already part way through reception and blocking to wait for the desired number of bytes to be available is the
most efficient thing to do.  If bytesToRecv is 1 then this may be a speculative call to read to find the start of a new frame, in which case blocking is not desirable as it could block an entire protocol agent task for the duration of the read block time and therefore negatively impact performance.  So if bytesToRecv is 1 then don't call recv unless it is known that bytes are already available.

Co-authored-by: abhidixi11 <44424462+abhidixi11@users.noreply.github.com>
Co-authored-by: RichardBarry <3073890+RichardBarry@users.noreply.github.com>
2020-12-11 12:51:45 -08:00

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/*
* FreeRTOS V202011.00
* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* https://www.FreeRTOS.org
* https://github.com/FreeRTOS
*
*/
/**
* @file mbedtls_error.c
* @brief This files defines the stringification utilities for mbed TLS high-level and low-level codes.
*/
#include "mbedtls_error.h"
#if !defined( MBEDTLS_CONFIG_FILE )
#include "mbedtls/config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#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_PLATFORM_C )
#include "mbedtls/platform.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
const char * mbedtls_strerror_highlevel( int32_t errnum )
{
const char * rc = NULL;
uint32_t use_ret = 0;
if( errnum < 0 )
{
use_ret = ( uint32_t ) -errnum;
}
else
{
use_ret = ( uint32_t ) errnum;
}
use_ret &= 0xFF80;
/* High level error codes */
switch( use_ret )
{
#if defined( MBEDTLS_CIPHER_C )
case -( MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE ):
rc = "CIPHER - The selected feature is not available";
break;
case -( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA ):
rc = "CIPHER - Bad input parameters";
break;
case -( MBEDTLS_ERR_CIPHER_ALLOC_FAILED ):
rc = "CIPHER - Failed to allocate memory";
break;
case -( MBEDTLS_ERR_CIPHER_INVALID_PADDING ):
rc = "CIPHER - Input data contains invalid padding and is rejected";
break;
case -( MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED ):
rc = "CIPHER - Decryption of block requires a full block";
break;
case -( MBEDTLS_ERR_CIPHER_AUTH_FAILED ):
rc = "CIPHER - Authentication failed (for AEAD modes)";
break;
case -( MBEDTLS_ERR_CIPHER_INVALID_CONTEXT ):
rc = "CIPHER - The context is invalid. For example, because it was freed";
break;
case -( MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED ):
rc = "CIPHER - Cipher hardware accelerator failed";
break;
#endif /* MBEDTLS_CIPHER_C */
#if defined( MBEDTLS_DHM_C )
case -( MBEDTLS_ERR_DHM_BAD_INPUT_DATA ):
rc = "DHM - Bad input parameters";
break;
case -( MBEDTLS_ERR_DHM_READ_PARAMS_FAILED ):
rc = "DHM - Reading of the DHM parameters failed";
break;
case -( MBEDTLS_ERR_DHM_MAKE_PARAMS_FAILED ):
rc = "DHM - Making of the DHM parameters failed";
break;
case -( MBEDTLS_ERR_DHM_READ_PUBLIC_FAILED ):
rc = "DHM - Reading of the public values failed";
break;
case -( MBEDTLS_ERR_DHM_MAKE_PUBLIC_FAILED ):
rc = "DHM - Making of the public value failed";
break;
case -( MBEDTLS_ERR_DHM_CALC_SECRET_FAILED ):
rc = "DHM - Calculation of the DHM secret failed";
break;
case -( MBEDTLS_ERR_DHM_INVALID_FORMAT ):
rc = "DHM - The ASN.1 data is not formatted correctly";
break;
case -( MBEDTLS_ERR_DHM_ALLOC_FAILED ):
rc = "DHM - Allocation of memory failed";
break;
case -( MBEDTLS_ERR_DHM_FILE_IO_ERROR ):
rc = "DHM - Read or write of file failed";
break;
case -( MBEDTLS_ERR_DHM_HW_ACCEL_FAILED ):
rc = "DHM - DHM hardware accelerator failed";
break;
case -( MBEDTLS_ERR_DHM_SET_GROUP_FAILED ):
rc = "DHM - Setting the modulus and generator failed";
break;
#endif /* MBEDTLS_DHM_C */
#if defined( MBEDTLS_ECP_C )
case -( MBEDTLS_ERR_ECP_BAD_INPUT_DATA ):
rc = "ECP - Bad input parameters to function";
break;
case -( MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL ):
rc = "ECP - The buffer is too small to write to";
break;
case -( MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE ):
rc = "ECP - The requested feature is not available, for example, the requested curve is not supported";
break;
case -( MBEDTLS_ERR_ECP_VERIFY_FAILED ):
rc = "ECP - The signature is not valid";
break;
case -( MBEDTLS_ERR_ECP_ALLOC_FAILED ):
rc = "ECP - Memory allocation failed";
break;
case -( MBEDTLS_ERR_ECP_RANDOM_FAILED ):
rc = "ECP - Generation of random value, such as ephemeral key, failed";
break;
case -( MBEDTLS_ERR_ECP_INVALID_KEY ):
rc = "ECP - Invalid private or public key";
break;
case -( MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH ):
rc = "ECP - The buffer contains a valid signature followed by more data";
break;
case -( MBEDTLS_ERR_ECP_HW_ACCEL_FAILED ):
rc = "ECP - The ECP hardware accelerator failed";
break;
case -( MBEDTLS_ERR_ECP_IN_PROGRESS ):
rc = "ECP - Operation in progress, call again with the same parameters to continue";
break;
#endif /* MBEDTLS_ECP_C */
#if defined( MBEDTLS_MD_C )
case -( MBEDTLS_ERR_MD_FEATURE_UNAVAILABLE ):
rc = "MD - The selected feature is not available";
break;
case -( MBEDTLS_ERR_MD_BAD_INPUT_DATA ):
rc = "MD - Bad input parameters to function";
break;
case -( MBEDTLS_ERR_MD_ALLOC_FAILED ):
rc = "MD - Failed to allocate memory";
break;
case -( MBEDTLS_ERR_MD_FILE_IO_ERROR ):
rc = "MD - Opening or reading of file failed";
break;
case -( MBEDTLS_ERR_MD_HW_ACCEL_FAILED ):
rc = "MD - MD hardware accelerator failed";
break;
#endif /* MBEDTLS_MD_C */
#if defined( MBEDTLS_PEM_PARSE_C ) || defined( MBEDTLS_PEM_WRITE_C )
case -( MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT ):
rc = "PEM - No PEM header or footer found";
break;
case -( MBEDTLS_ERR_PEM_INVALID_DATA ):
rc = "PEM - PEM string is not as expected";
break;
case -( MBEDTLS_ERR_PEM_ALLOC_FAILED ):
rc = "PEM - Failed to allocate memory";
break;
case -( MBEDTLS_ERR_PEM_INVALID_ENC_IV ):
rc = "PEM - RSA IV is not in hex-format";
break;
case -( MBEDTLS_ERR_PEM_UNKNOWN_ENC_ALG ):
rc = "PEM - Unsupported key encryption algorithm";
break;
case -( MBEDTLS_ERR_PEM_PASSWORD_REQUIRED ):
rc = "PEM - Private key password can't be empty";
break;
case -( MBEDTLS_ERR_PEM_PASSWORD_MISMATCH ):
rc = "PEM - Given private key password does not allow for correct decryption";
break;
case -( MBEDTLS_ERR_PEM_FEATURE_UNAVAILABLE ):
rc = "PEM - Unavailable feature, e.g. hashing/encryption combination";
break;
case -( MBEDTLS_ERR_PEM_BAD_INPUT_DATA ):
rc = "PEM - Bad input parameters to function";
break;
#endif /* MBEDTLS_PEM_PARSE_C || MBEDTLS_PEM_WRITE_C */
#if defined( MBEDTLS_PK_C )
case -( MBEDTLS_ERR_PK_ALLOC_FAILED ):
rc = "PK - Memory allocation failed";
break;
case -( MBEDTLS_ERR_PK_TYPE_MISMATCH ):
rc = "PK - Type mismatch, eg attempt to encrypt with an ECDSA key";
break;
case -( MBEDTLS_ERR_PK_BAD_INPUT_DATA ):
rc = "PK - Bad input parameters to function";
break;
case -( MBEDTLS_ERR_PK_FILE_IO_ERROR ):
rc = "PK - Read/write of file failed";
break;
case -( MBEDTLS_ERR_PK_KEY_INVALID_VERSION ):
rc = "PK - Unsupported key version";
break;
case -( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT ):
rc = "PK - Invalid key tag or value";
break;
case -( MBEDTLS_ERR_PK_UNKNOWN_PK_ALG ):
rc = "PK - Key algorithm is unsupported (only RSA and EC are supported)";
break;
case -( MBEDTLS_ERR_PK_PASSWORD_REQUIRED ):
rc = "PK - Private key password can't be empty";
break;
case -( MBEDTLS_ERR_PK_PASSWORD_MISMATCH ):
rc = "PK - Given private key password does not allow for correct decryption";
break;
case -( MBEDTLS_ERR_PK_INVALID_PUBKEY ):
rc = "PK - The pubkey tag or value is invalid (only RSA and EC are supported)";
break;
case -( MBEDTLS_ERR_PK_INVALID_ALG ):
rc = "PK - The algorithm tag or value is invalid";
break;
case -( MBEDTLS_ERR_PK_UNKNOWN_NAMED_CURVE ):
rc = "PK - Elliptic curve is unsupported (only NIST curves are supported)";
break;
case -( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE ):
rc = "PK - Unavailable feature, e.g. RSA disabled for RSA key";
break;
case -( MBEDTLS_ERR_PK_SIG_LEN_MISMATCH ):
rc = "PK - The buffer contains a valid signature followed by more data";
break;
case -( MBEDTLS_ERR_PK_HW_ACCEL_FAILED ):
rc = "PK - PK hardware accelerator failed";
break;
#endif /* MBEDTLS_PK_C */
#if defined( MBEDTLS_PKCS12_C )
case -( MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA ):
rc = "PKCS12 - Bad input parameters to function";
break;
case -( MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE ):
rc = "PKCS12 - Feature not available, e.g. unsupported encryption scheme";
break;
case -( MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT ):
rc = "PKCS12 - PBE ASN.1 data not as expected";
break;
case -( MBEDTLS_ERR_PKCS12_PASSWORD_MISMATCH ):
rc = "PKCS12 - Given private key password does not allow for correct decryption";
break;
#endif /* MBEDTLS_PKCS12_C */
#if defined( MBEDTLS_PKCS5_C )
case -( MBEDTLS_ERR_PKCS5_BAD_INPUT_DATA ):
rc = "PKCS5 - Bad input parameters to function";
break;
case -( MBEDTLS_ERR_PKCS5_INVALID_FORMAT ):
rc = "PKCS5 - Unexpected ASN.1 data";
break;
case -( MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE ):
rc = "PKCS5 - Requested encryption or digest alg not available";
break;
case -( MBEDTLS_ERR_PKCS5_PASSWORD_MISMATCH ):
rc = "PKCS5 - Given private key password does not allow for correct decryption";
break;
#endif /* MBEDTLS_PKCS5_C */
#if defined( MBEDTLS_RSA_C )
case -( MBEDTLS_ERR_RSA_BAD_INPUT_DATA ):
rc = "RSA - Bad input parameters to function";
break;
case -( MBEDTLS_ERR_RSA_INVALID_PADDING ):
rc = "RSA - Input data contains invalid padding and is rejected";
break;
case -( MBEDTLS_ERR_RSA_KEY_GEN_FAILED ):
rc = "RSA - Something failed during generation of a key";
break;
case -( MBEDTLS_ERR_RSA_KEY_CHECK_FAILED ):
rc = "RSA - Key failed to pass the validity check of the library";
break;
case -( MBEDTLS_ERR_RSA_PUBLIC_FAILED ):
rc = "RSA - The public key operation failed";
break;
case -( MBEDTLS_ERR_RSA_PRIVATE_FAILED ):
rc = "RSA - The private key operation failed";
break;
case -( MBEDTLS_ERR_RSA_VERIFY_FAILED ):
rc = "RSA - The PKCS#1 verification failed";
break;
case -( MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE ):
rc = "RSA - The output buffer for decryption is not large enough";
break;
case -( MBEDTLS_ERR_RSA_RNG_FAILED ):
rc = "RSA - The random generator failed to generate non-zeros";
break;
case -( MBEDTLS_ERR_RSA_UNSUPPORTED_OPERATION ):
rc = "RSA - The implementation does not offer the requested operation, for example, because of security violations or lack of functionality";
break;
case -( MBEDTLS_ERR_RSA_HW_ACCEL_FAILED ):
rc = "RSA - RSA hardware accelerator failed";
break;
#endif /* MBEDTLS_RSA_C */
#if defined( MBEDTLS_SSL_TLS_C )
case -( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE ):
rc = "SSL - The requested feature is not available";
break;
case -( MBEDTLS_ERR_SSL_BAD_INPUT_DATA ):
rc = "SSL - Bad input parameters to function";
break;
case -( MBEDTLS_ERR_SSL_INVALID_MAC ):
rc = "SSL - Verification of the message MAC failed";
break;
case -( MBEDTLS_ERR_SSL_INVALID_RECORD ):
rc = "SSL - An invalid SSL record was received";
break;
case -( MBEDTLS_ERR_SSL_CONN_EOF ):
rc = "SSL - The connection indicated an EOF";
break;
case -( MBEDTLS_ERR_SSL_UNKNOWN_CIPHER ):
rc = "SSL - An unknown cipher was received";
break;
case -( MBEDTLS_ERR_SSL_NO_CIPHER_CHOSEN ):
rc = "SSL - The server has no ciphersuites in common with the client";
break;
case -( MBEDTLS_ERR_SSL_NO_RNG ):
rc = "SSL - No RNG was provided to the SSL module";
break;
case -( MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE ):
rc = "SSL - No client certification received from the client, but required by the authentication mode";
break;
case -( MBEDTLS_ERR_SSL_CERTIFICATE_TOO_LARGE ):
rc = "SSL - Our own certificate(s) is/are too large to send in an SSL message";
break;
case -( MBEDTLS_ERR_SSL_CERTIFICATE_REQUIRED ):
rc = "SSL - The own certificate is not set, but needed by the server";
break;
case -( MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED ):
rc = "SSL - The own private key or pre-shared key is not set, but needed";
break;
case -( MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED ):
rc = "SSL - No CA Chain is set, but required to operate";
break;
case -( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE ):
rc = "SSL - An unexpected message was received from our peer";
break;
case -( MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE ):
rc = "SSL - A fatal alert message was received from our peer";
break;
case -( MBEDTLS_ERR_SSL_PEER_VERIFY_FAILED ):
rc = "SSL - Verification of our peer failed";
break;
case -( MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY ):
rc = "SSL - The peer notified us that the connection is going to be closed";
break;
case -( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO ):
rc = "SSL - Processing of the ClientHello handshake message failed";
break;
case -( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ):
rc = "SSL - Processing of the ServerHello handshake message failed";
break;
case -( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE ):
rc = "SSL - Processing of the Certificate handshake message failed";
break;
case -( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST ):
rc = "SSL - Processing of the CertificateRequest handshake message failed";
break;
case -( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ):
rc = "SSL - Processing of the ServerKeyExchange handshake message failed";
break;
case -( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO_DONE ):
rc = "SSL - Processing of the ServerHelloDone handshake message failed";
break;
case -( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE ):
rc = "SSL - Processing of the ClientKeyExchange handshake message failed";
break;
case -( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP ):
rc = "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Read Public";
break;
case -( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_CS ):
rc = "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Calculate Secret";
break;
case -( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY ):
rc = "SSL - Processing of the CertificateVerify handshake message failed";
break;
case -( MBEDTLS_ERR_SSL_BAD_HS_CHANGE_CIPHER_SPEC ):
rc = "SSL - Processing of the ChangeCipherSpec handshake message failed";
break;
case -( MBEDTLS_ERR_SSL_BAD_HS_FINISHED ):
rc = "SSL - Processing of the Finished handshake message failed";
break;
case -( MBEDTLS_ERR_SSL_ALLOC_FAILED ):
rc = "SSL - Memory allocation failed";
break;
case -( MBEDTLS_ERR_SSL_HW_ACCEL_FAILED ):
rc = "SSL - Hardware acceleration function returned with error";
break;
case -( MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH ):
rc = "SSL - Hardware acceleration function skipped / left alone data";
break;
case -( MBEDTLS_ERR_SSL_COMPRESSION_FAILED ):
rc = "SSL - Processing of the compression / decompression failed";
break;
case -( MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION ):
rc = "SSL - Handshake protocol not within min/max boundaries";
break;
case -( MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET ):
rc = "SSL - Processing of the NewSessionTicket handshake message failed";
break;
case -( MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED ):
rc = "SSL - Session ticket has expired";
break;
case -( MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH ):
rc = "SSL - Public key type mismatch (eg, asked for RSA key exchange and presented EC key)";
break;
case -( MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY ):
rc = "SSL - Unknown identity received (eg, PSK identity)";
break;
case -( MBEDTLS_ERR_SSL_INTERNAL_ERROR ):
rc = "SSL - Internal error (eg, unexpected failure in lower-level module)";
break;
case -( MBEDTLS_ERR_SSL_COUNTER_WRAPPING ):
rc = "SSL - A counter would wrap (eg, too many messages exchanged)";
break;
case -( MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO ):
rc = "SSL - Unexpected message at ServerHello in renegotiation";
break;
case -( MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED ):
rc = "SSL - DTLS client must retry for hello verification";
break;
case -( MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL ):
rc = "SSL - A buffer is too small to receive or write a message";
break;
case -( MBEDTLS_ERR_SSL_NO_USABLE_CIPHERSUITE ):
rc = "SSL - None of the common ciphersuites is usable (eg, no suitable certificate, see debug messages)";
break;
case -( MBEDTLS_ERR_SSL_WANT_READ ):
rc = "SSL - No data of requested type currently available on underlying transport";
break;
case -( MBEDTLS_ERR_SSL_WANT_WRITE ):
rc = "SSL - Connection requires a write call";
break;
case -( MBEDTLS_ERR_SSL_TIMEOUT ):
rc = "SSL - The operation timed out";
break;
case -( MBEDTLS_ERR_SSL_CLIENT_RECONNECT ):
rc = "SSL - The client initiated a reconnect from the same port";
break;
case -( MBEDTLS_ERR_SSL_UNEXPECTED_RECORD ):
rc = "SSL - Record header looks valid but is not expected";
break;
case -( MBEDTLS_ERR_SSL_NON_FATAL ):
rc = "SSL - The alert message received indicates a non-fatal error";
break;
case -( MBEDTLS_ERR_SSL_INVALID_VERIFY_HASH ):
rc = "SSL - Couldn't set the hash for verifying CertificateVerify";
break;
case -( MBEDTLS_ERR_SSL_CONTINUE_PROCESSING ):
rc = "SSL - Internal-only message signaling that further message-processing should be done";
break;
case -( MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS ):
rc = "SSL - The asynchronous operation is not completed yet";
break;
case -( MBEDTLS_ERR_SSL_EARLY_MESSAGE ):
rc = "SSL - Internal-only message signaling that a message arrived early";
break;
case -( MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS ):
rc = "SSL - A cryptographic operation is in progress. Try again later";
break;
#endif /* MBEDTLS_SSL_TLS_C */
#if defined( MBEDTLS_X509_USE_C ) || defined( MBEDTLS_X509_CREATE_C )
case -( MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE ):
rc = "X509 - Unavailable feature, e.g. RSA hashing/encryption combination";
break;
case -( MBEDTLS_ERR_X509_UNKNOWN_OID ):
rc = "X509 - Requested OID is unknown";
break;
case -( MBEDTLS_ERR_X509_INVALID_FORMAT ):
rc = "X509 - The CRT/CRL/CSR format is invalid, e.g. different type expected";
break;
case -( MBEDTLS_ERR_X509_INVALID_VERSION ):
rc = "X509 - The CRT/CRL/CSR version element is invalid";
break;
case -( MBEDTLS_ERR_X509_INVALID_SERIAL ):
rc = "X509 - The serial tag or value is invalid";
break;
case -( MBEDTLS_ERR_X509_INVALID_ALG ):
rc = "X509 - The algorithm tag or value is invalid";
break;
case -( MBEDTLS_ERR_X509_INVALID_NAME ):
rc = "X509 - The name tag or value is invalid";
break;
case -( MBEDTLS_ERR_X509_INVALID_DATE ):
rc = "X509 - The date tag or value is invalid";
break;
case -( MBEDTLS_ERR_X509_INVALID_SIGNATURE ):
rc = "X509 - The signature tag or value invalid";
break;
case -( MBEDTLS_ERR_X509_INVALID_EXTENSIONS ):
rc = "X509 - The extension tag or value is invalid";
break;
case -( MBEDTLS_ERR_X509_UNKNOWN_VERSION ):
rc = "X509 - CRT/CRL/CSR has an unsupported version number";
break;
case -( MBEDTLS_ERR_X509_UNKNOWN_SIG_ALG ):
rc = "X509 - Signature algorithm (oid) is unsupported";
break;
case -( MBEDTLS_ERR_X509_SIG_MISMATCH ):
rc = "X509 - Signature algorithms do not match. (see \\c ::mbedtls_x509_crt sig_oid)";
break;
case -( MBEDTLS_ERR_X509_CERT_VERIFY_FAILED ):
rc = "X509 - Certificate verification failed, e.g. CRL, CA or signature check failed";
break;
case -( MBEDTLS_ERR_X509_CERT_UNKNOWN_FORMAT ):
rc = "X509 - Format not recognized as DER or PEM";
break;
case -( MBEDTLS_ERR_X509_BAD_INPUT_DATA ):
rc = "X509 - Input invalid";
break;
case -( MBEDTLS_ERR_X509_ALLOC_FAILED ):
rc = "X509 - Allocation of memory failed";
break;
case -( MBEDTLS_ERR_X509_FILE_IO_ERROR ):
rc = "X509 - Read/write of file failed";
break;
case -( MBEDTLS_ERR_X509_BUFFER_TOO_SMALL ):
rc = "X509 - Destination buffer is too small";
break;
case -( MBEDTLS_ERR_X509_FATAL_ERROR ):
rc = "X509 - A fatal error occured, eg the chain is too long or the vrfy callback failed";
break;
#endif /* MBEDTLS_X509_USE_C || MBEDTLS_X509_CREATE_C */
default:
rc = NULL;
break;
}
return rc;
}
const char * mbedtls_strerror_lowlevel( int32_t errnum )
{
const char * rc = NULL;
uint32_t use_ret = 0;
if( errnum < 0 )
{
use_ret = ( uint32_t ) -errnum;
}
else
{
use_ret = ( uint32_t ) errnum;
}
use_ret &= 0xFF80;
/* Low level error codes */
/* */
switch( use_ret )
{
#if defined( MBEDTLS_AES_C )
case -( MBEDTLS_ERR_AES_INVALID_KEY_LENGTH ):
rc = "AES - Invalid key length";
break;
case -( MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH ):
rc = "AES - Invalid data input length";
break;
case -( MBEDTLS_ERR_AES_BAD_INPUT_DATA ):
rc = "AES - Invalid input data";
break;
case -( MBEDTLS_ERR_AES_FEATURE_UNAVAILABLE ):
rc = "AES - Feature not available. For example, an unsupported AES key size";
break;
case -( MBEDTLS_ERR_AES_HW_ACCEL_FAILED ):
rc = "AES - AES hardware accelerator failed";
break;
#endif /* MBEDTLS_AES_C */
#if defined( MBEDTLS_ARC4_C )
case -( MBEDTLS_ERR_ARC4_HW_ACCEL_FAILED ):
rc = "ARC4 - ARC4 hardware accelerator failed";
break;
#endif /* MBEDTLS_ARC4_C */
#if defined( MBEDTLS_ARIA_C )
case -( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA ):
rc = "ARIA - Bad input data";
break;
case -( MBEDTLS_ERR_ARIA_INVALID_INPUT_LENGTH ):
rc = "ARIA - Invalid data input length";
break;
case -( MBEDTLS_ERR_ARIA_FEATURE_UNAVAILABLE ):
rc = "ARIA - Feature not available. For example, an unsupported ARIA key size";
break;
case -( MBEDTLS_ERR_ARIA_HW_ACCEL_FAILED ):
rc = "ARIA - ARIA hardware accelerator failed";
break;
#endif /* MBEDTLS_ARIA_C */
#if defined( MBEDTLS_ASN1_PARSE_C )
case -( MBEDTLS_ERR_ASN1_OUT_OF_DATA ):
rc = "ASN1 - Out of data when parsing an ASN1 data structure";
break;
case -( MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ):
rc = "ASN1 - ASN1 tag was of an unexpected value";
break;
case -( MBEDTLS_ERR_ASN1_INVALID_LENGTH ):
rc = "ASN1 - Error when trying to determine the length or invalid length";
break;
case -( MBEDTLS_ERR_ASN1_LENGTH_MISMATCH ):
rc = "ASN1 - Actual length differs from expected length";
break;
case -( MBEDTLS_ERR_ASN1_INVALID_DATA ):
rc = "ASN1 - Data is invalid. (not used)";
break;
case -( MBEDTLS_ERR_ASN1_ALLOC_FAILED ):
rc = "ASN1 - Memory allocation failed";
break;
case -( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL ):
rc = "ASN1 - Buffer too small when writing ASN.1 data structure";
break;
#endif /* MBEDTLS_ASN1_PARSE_C */
#if defined( MBEDTLS_BASE64_C )
case -( MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL ):
rc = "BASE64 - Output buffer too small";
break;
case -( MBEDTLS_ERR_BASE64_INVALID_CHARACTER ):
rc = "BASE64 - Invalid character in input";
break;
#endif /* MBEDTLS_BASE64_C */
#if defined( MBEDTLS_BIGNUM_C )
case -( MBEDTLS_ERR_MPI_FILE_IO_ERROR ):
rc = "BIGNUM - An error occurred while reading from or writing to a file";
break;
case -( MBEDTLS_ERR_MPI_BAD_INPUT_DATA ):
rc = "BIGNUM - Bad input parameters to function";
break;
case -( MBEDTLS_ERR_MPI_INVALID_CHARACTER ):
rc = "BIGNUM - There is an invalid character in the digit string";
break;
case -( MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL ):
rc = "BIGNUM - The buffer is too small to write to";
break;
case -( MBEDTLS_ERR_MPI_NEGATIVE_VALUE ):
rc = "BIGNUM - The input arguments are negative or result in illegal output";
break;
case -( MBEDTLS_ERR_MPI_DIVISION_BY_ZERO ):
rc = "BIGNUM - The input argument for division is zero, which is not allowed";
break;
case -( MBEDTLS_ERR_MPI_NOT_ACCEPTABLE ):
rc = "BIGNUM - The input arguments are not acceptable";
break;
case -( MBEDTLS_ERR_MPI_ALLOC_FAILED ):
rc = "BIGNUM - Memory allocation failed";
break;
#endif /* MBEDTLS_BIGNUM_C */
#if defined( MBEDTLS_BLOWFISH_C )
case -( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA ):
rc = "BLOWFISH - Bad input data";
break;
case -( MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH ):
rc = "BLOWFISH - Invalid data input length";
break;
case -( MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED ):
rc = "BLOWFISH - Blowfish hardware accelerator failed";
break;
#endif /* MBEDTLS_BLOWFISH_C */
#if defined( MBEDTLS_CAMELLIA_C )
case -( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA ):
rc = "CAMELLIA - Bad input data";
break;
case -( MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH ):
rc = "CAMELLIA - Invalid data input length";
break;
case -( MBEDTLS_ERR_CAMELLIA_HW_ACCEL_FAILED ):
rc = "CAMELLIA - Camellia hardware accelerator failed";
break;
#endif /* MBEDTLS_CAMELLIA_C */
#if defined( MBEDTLS_CCM_C )
case -( MBEDTLS_ERR_CCM_BAD_INPUT ):
rc = "CCM - Bad input parameters to the function";
break;
case -( MBEDTLS_ERR_CCM_AUTH_FAILED ):
rc = "CCM - Authenticated decryption failed";
break;
case -( MBEDTLS_ERR_CCM_HW_ACCEL_FAILED ):
rc = "CCM - CCM hardware accelerator failed";
break;
#endif /* MBEDTLS_CCM_C */
#if defined( MBEDTLS_CHACHA20_C )
case -( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA ):
rc = "CHACHA20 - Invalid input parameter(s)";
break;
case -( MBEDTLS_ERR_CHACHA20_FEATURE_UNAVAILABLE ):
rc = "CHACHA20 - Feature not available. For example, s part of the API is not implemented";
break;
case -( MBEDTLS_ERR_CHACHA20_HW_ACCEL_FAILED ):
rc = "CHACHA20 - Chacha20 hardware accelerator failed";
break;
#endif /* MBEDTLS_CHACHA20_C */
#if defined( MBEDTLS_CHACHAPOLY_C )
case -( MBEDTLS_ERR_CHACHAPOLY_BAD_STATE ):
rc = "CHACHAPOLY - The requested operation is not permitted in the current state";
break;
case -( MBEDTLS_ERR_CHACHAPOLY_AUTH_FAILED ):
rc = "CHACHAPOLY - Authenticated decryption failed: data was not authentic";
break;
#endif /* MBEDTLS_CHACHAPOLY_C */
#if defined( MBEDTLS_CMAC_C )
case -( MBEDTLS_ERR_CMAC_HW_ACCEL_FAILED ):
rc = "CMAC - CMAC hardware accelerator failed";
break;
#endif /* MBEDTLS_CMAC_C */
#if defined( MBEDTLS_CTR_DRBG_C )
case -( MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED ):
rc = "CTR_DRBG - The entropy source failed";
break;
case -( MBEDTLS_ERR_CTR_DRBG_REQUEST_TOO_BIG ):
rc = "CTR_DRBG - The requested random buffer length is too big";
break;
case -( MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG ):
rc = "CTR_DRBG - The input (entropy + additional data) is too large";
break;
case -( MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR ):
rc = "CTR_DRBG - Read or write error in file";
break;
#endif /* MBEDTLS_CTR_DRBG_C */
#if defined( MBEDTLS_DES_C )
case -( MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH ):
rc = "DES - The data input has an invalid length";
break;
case -( MBEDTLS_ERR_DES_HW_ACCEL_FAILED ):
rc = "DES - DES hardware accelerator failed";
break;
#endif /* MBEDTLS_DES_C */
#if defined( MBEDTLS_ENTROPY_C )
case -( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED ):
rc = "ENTROPY - Critical entropy source failure";
break;
case -( MBEDTLS_ERR_ENTROPY_MAX_SOURCES ):
rc = "ENTROPY - No more sources can be added";
break;
case -( MBEDTLS_ERR_ENTROPY_NO_SOURCES_DEFINED ):
rc = "ENTROPY - No sources have been added to poll";
break;
case -( MBEDTLS_ERR_ENTROPY_NO_STRONG_SOURCE ):
rc = "ENTROPY - No strong sources have been added to poll";
break;
case -( MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR ):
rc = "ENTROPY - Read/write error in file";
break;
#endif /* MBEDTLS_ENTROPY_C */
#if defined( MBEDTLS_GCM_C )
case -( MBEDTLS_ERR_GCM_AUTH_FAILED ):
rc = "GCM - Authenticated decryption failed";
break;
case -( MBEDTLS_ERR_GCM_HW_ACCEL_FAILED ):
rc = "GCM - GCM hardware accelerator failed";
break;
case -( MBEDTLS_ERR_GCM_BAD_INPUT ):
rc = "GCM - Bad input parameters to function";
break;
#endif /* MBEDTLS_GCM_C */
#if defined( MBEDTLS_HKDF_C )
case -( MBEDTLS_ERR_HKDF_BAD_INPUT_DATA ):
rc = "HKDF - Bad input parameters to function";
break;
#endif /* MBEDTLS_HKDF_C */
#if defined( MBEDTLS_HMAC_DRBG_C )
case -( MBEDTLS_ERR_HMAC_DRBG_REQUEST_TOO_BIG ):
rc = "HMAC_DRBG - Too many random requested in single call";
break;
case -( MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG ):
rc = "HMAC_DRBG - Input too large (Entropy + additional)";
break;
case -( MBEDTLS_ERR_HMAC_DRBG_FILE_IO_ERROR ):
rc = "HMAC_DRBG - Read/write error in file";
break;
case -( MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED ):
rc = "HMAC_DRBG - The entropy source failed";
break;
#endif /* MBEDTLS_HMAC_DRBG_C */
#if defined( MBEDTLS_MD2_C )
case -( MBEDTLS_ERR_MD2_HW_ACCEL_FAILED ):
rc = "MD2 - MD2 hardware accelerator failed";
break;
#endif /* MBEDTLS_MD2_C */
#if defined( MBEDTLS_MD4_C )
case -( MBEDTLS_ERR_MD4_HW_ACCEL_FAILED ):
rc = "MD4 - MD4 hardware accelerator failed";
break;
#endif /* MBEDTLS_MD4_C */
#if defined( MBEDTLS_MD5_C )
case -( MBEDTLS_ERR_MD5_HW_ACCEL_FAILED ):
rc = "MD5 - MD5 hardware accelerator failed";
break;
#endif /* MBEDTLS_MD5_C */
#if defined( MBEDTLS_NET_C )
case -( MBEDTLS_ERR_NET_SOCKET_FAILED ):
rc = "NET - Failed to open a socket";
break;
case -( MBEDTLS_ERR_NET_CONNECT_FAILED ):
rc = "NET - The connection to the given server / port failed";
break;
case -( MBEDTLS_ERR_NET_BIND_FAILED ):
rc = "NET - Binding of the socket failed";
break;
case -( MBEDTLS_ERR_NET_LISTEN_FAILED ):
rc = "NET - Could not listen on the socket";
break;
case -( MBEDTLS_ERR_NET_ACCEPT_FAILED ):
rc = "NET - Could not accept the incoming connection";
break;
case -( MBEDTLS_ERR_NET_RECV_FAILED ):
rc = "NET - Reading information from the socket failed";
break;
case -( MBEDTLS_ERR_NET_SEND_FAILED ):
rc = "NET - Sending information through the socket failed";
break;
case -( MBEDTLS_ERR_NET_CONN_RESET ):
rc = "NET - Connection was reset by peer";
break;
case -( MBEDTLS_ERR_NET_UNKNOWN_HOST ):
rc = "NET - Failed to get an IP address for the given hostname";
break;
case -( MBEDTLS_ERR_NET_BUFFER_TOO_SMALL ):
rc = "NET - Buffer is too small to hold the data";
break;
case -( MBEDTLS_ERR_NET_INVALID_CONTEXT ):
rc = "NET - The context is invalid, eg because it was free()ed";
break;
case -( MBEDTLS_ERR_NET_POLL_FAILED ):
rc = "NET - Polling the net context failed";
break;
case -( MBEDTLS_ERR_NET_BAD_INPUT_DATA ):
rc = "NET - Input invalid";
break;
#endif /* MBEDTLS_NET_C */
#if defined( MBEDTLS_OID_C )
case -( MBEDTLS_ERR_OID_NOT_FOUND ):
rc = "OID - OID is not found";
break;
case -( MBEDTLS_ERR_OID_BUF_TOO_SMALL ):
rc = "OID - output buffer is too small";
break;
#endif /* MBEDTLS_OID_C */
#if defined( MBEDTLS_PADLOCK_C )
case -( MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED ):
rc = "PADLOCK - Input data should be aligned";
break;
#endif /* MBEDTLS_PADLOCK_C */
#if defined( MBEDTLS_PLATFORM_C )
case -( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED ):
rc = "PLATFORM - Hardware accelerator failed";
break;
case -( MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED ):
rc = "PLATFORM - The requested feature is not supported by the platform";
break;
#endif /* MBEDTLS_PLATFORM_C */
#if defined( MBEDTLS_POLY1305_C )
case -( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ):
rc = "POLY1305 - Invalid input parameter(s)";
break;
case -( MBEDTLS_ERR_POLY1305_FEATURE_UNAVAILABLE ):
rc = "POLY1305 - Feature not available. For example, s part of the API is not implemented";
break;
case -( MBEDTLS_ERR_POLY1305_HW_ACCEL_FAILED ):
rc = "POLY1305 - Poly1305 hardware accelerator failed";
break;
#endif /* MBEDTLS_POLY1305_C */
#if defined( MBEDTLS_RIPEMD160_C )
case -( MBEDTLS_ERR_RIPEMD160_HW_ACCEL_FAILED ):
rc = "RIPEMD160 - RIPEMD160 hardware accelerator failed";
break;
#endif /* MBEDTLS_RIPEMD160_C */
#if defined( MBEDTLS_SHA1_C )
case -( MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED ):
rc = "SHA1 - SHA-1 hardware accelerator failed";
break;
case -( MBEDTLS_ERR_SHA1_BAD_INPUT_DATA ):
rc = "SHA1 - SHA-1 input data was malformed";
break;
#endif /* MBEDTLS_SHA1_C */
#if defined( MBEDTLS_SHA256_C )
case -( MBEDTLS_ERR_SHA256_HW_ACCEL_FAILED ):
rc = "SHA256 - SHA-256 hardware accelerator failed";
break;
case -( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA ):
rc = "SHA256 - SHA-256 input data was malformed";
break;
#endif /* MBEDTLS_SHA256_C */
#if defined( MBEDTLS_SHA512_C )
case -( MBEDTLS_ERR_SHA512_HW_ACCEL_FAILED ):
rc = "SHA512 - SHA-512 hardware accelerator failed";
break;
case -( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA ):
rc = "SHA512 - SHA-512 input data was malformed";
break;
#endif /* MBEDTLS_SHA512_C */
#if defined( MBEDTLS_THREADING_C )
case -( MBEDTLS_ERR_THREADING_FEATURE_UNAVAILABLE ):
rc = "THREADING - The selected feature is not available";
break;
case -( MBEDTLS_ERR_THREADING_BAD_INPUT_DATA ):
rc = "THREADING - Bad input parameters to function";
break;
case -( MBEDTLS_ERR_THREADING_MUTEX_ERROR ):
rc = "THREADING - Locking / unlocking / free failed with error code";
break;
#endif /* MBEDTLS_THREADING_C */
#if defined( MBEDTLS_XTEA_C )
case -( MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH ):
rc = "XTEA - The data input has an invalid length";
break;
case -( MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED ):
rc = "XTEA - XTEA hardware accelerator failed";
break;
#endif /* MBEDTLS_XTEA_C */
default:
rc = NULL;
break;
}
return rc;
}
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