/** Copyright (C) 2015-2018 Alibaba Group Holding Limited*/#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 <string.h>#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 <stdio.h>#if defined(MBEDTLS_AES_C)#include "mbedtls/aes.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_CIPHER_C)#include "mbedtls/cipher.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_HMAC_DRBG_C)#include "mbedtls/hmac_drbg.h"#endif#if defined(MBEDTLS_MD_C)#include "mbedtls/md.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_RSA_C)#include "mbedtls/rsa.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#if 0void 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 to function" );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, eg because it was free()ed" );#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 to function" );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/write of file 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 - Requested curve not available" );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 - Signature is valid but shorter than the user-supplied length" );#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" );#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 signature is valid but its length is less than expected" );#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 library's validity check" );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" );#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 - Connection requires a read call" );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" );#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" );#endif /* MBEDTLS_X509_USE_C || MBEDTLS_X509_CREATE_C */// END generated codeif( 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" );#endif /* MBEDTLS_AES_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_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" );#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 function" );if( use_ret == -(MBEDTLS_ERR_CCM_AUTH_FAILED) )mbedtls_snprintf( buf, buflen, "CCM - Authenticated decryption failed" );#endif /* MBEDTLS_CCM_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 - Too many random requested in single call" );if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG) )mbedtls_snprintf( buf, buflen, "CTR_DRBG - Input too large (Entropy + additional)" );if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR) )mbedtls_snprintf( buf, buflen, "CTR_DRBG - Read/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" );#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_BAD_INPUT) )mbedtls_snprintf( buf, buflen, "GCM - Bad input parameters to function" );#endif /* MBEDTLS_GCM_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_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" );#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_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" );#endif /* MBEDTLS_XTEA_C */// END generated codeif( strlen( buf ) != 0 )return;mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret );}#endif#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円';}#endif /* MBEDTLS_ERROR_STRERROR_DUMMY */#endif /* MBEDTLS_ERROR_C */
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