diff options
Diffstat (limited to 'thirdparty/mbedtls/library/error.c')
| -rw-r--r-- | thirdparty/mbedtls/library/error.c | 1194 |
1 files changed, 615 insertions, 579 deletions
diff --git a/thirdparty/mbedtls/library/error.c b/thirdparty/mbedtls/library/error.c index b83b8d1f1b..afad38904f 100644 --- a/thirdparty/mbedtls/library/error.c +++ b/thirdparty/mbedtls/library/error.c @@ -2,13 +2,7 @@ * Error message information * * Copyright The Mbed TLS Contributors - * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later - * - * This file is provided under the Apache License 2.0, or the - * GNU General Public License v2.0 or later. - * - * ********** - * Apache License 2.0: + * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); you may * not use this file except in compliance with the License. @@ -21,39 +15,14 @@ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. - * - * ********** - * - * ********** - * GNU General Public License v2.0 or later: - * - * 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. - * - * ********** */ -#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 "common.h" #include "mbedtls/error.h" +#if defined(MBEDTLS_ERROR_C) || defined(MBEDTLS_ERROR_STRERROR_DUMMY) + #if defined(MBEDTLS_ERROR_C) #if defined(MBEDTLS_PLATFORM_C) @@ -137,6 +106,10 @@ #include "mbedtls/entropy.h" #endif +#if defined(MBEDTLS_ERROR_C) +#include "mbedtls/error.h" +#endif + #if defined(MBEDTLS_GCM_C) #include "mbedtls/gcm.h" #endif @@ -238,692 +211,751 @@ #endif -void mbedtls_strerror( int ret, char *buf, size_t buflen ) +const char * mbedtls_high_level_strerr( int error_code ) { - size_t len; - int use_ret; + int high_level_error_code; - if( buflen == 0 ) - return; - - memset( buf, 0x00, buflen ); + if( error_code < 0 ) + error_code = -error_code; - if( ret < 0 ) - ret = -ret; + /* Extract the high-level part from the error code. */ + high_level_error_code = error_code & 0xFF80; - if( ret & 0xFF80 ) + switch( high_level_error_code ) { - use_ret = ret & 0xFF80; - - // High level error codes - // - // BEGIN generated code + /* Begin Auto-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" ); + case -(MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE): + return( "CIPHER - The selected feature is not available" ); + case -(MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA): + return( "CIPHER - Bad input parameters" ); + case -(MBEDTLS_ERR_CIPHER_ALLOC_FAILED): + return( "CIPHER - Failed to allocate memory" ); + case -(MBEDTLS_ERR_CIPHER_INVALID_PADDING): + return( "CIPHER - Input data contains invalid padding and is rejected" ); + case -(MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED): + return( "CIPHER - Decryption of block requires a full block" ); + case -(MBEDTLS_ERR_CIPHER_AUTH_FAILED): + return( "CIPHER - Authentication failed (for AEAD modes)" ); + case -(MBEDTLS_ERR_CIPHER_INVALID_CONTEXT): + return( "CIPHER - The context is invalid. For example, because it was freed" ); + case -(MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED): + return( "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" ); + case -(MBEDTLS_ERR_DHM_BAD_INPUT_DATA): + return( "DHM - Bad input parameters" ); + case -(MBEDTLS_ERR_DHM_READ_PARAMS_FAILED): + return( "DHM - Reading of the DHM parameters failed" ); + case -(MBEDTLS_ERR_DHM_MAKE_PARAMS_FAILED): + return( "DHM - Making of the DHM parameters failed" ); + case -(MBEDTLS_ERR_DHM_READ_PUBLIC_FAILED): + return( "DHM - Reading of the public values failed" ); + case -(MBEDTLS_ERR_DHM_MAKE_PUBLIC_FAILED): + return( "DHM - Making of the public value failed" ); + case -(MBEDTLS_ERR_DHM_CALC_SECRET_FAILED): + return( "DHM - Calculation of the DHM secret failed" ); + case -(MBEDTLS_ERR_DHM_INVALID_FORMAT): + return( "DHM - The ASN.1 data is not formatted correctly" ); + case -(MBEDTLS_ERR_DHM_ALLOC_FAILED): + return( "DHM - Allocation of memory failed" ); + case -(MBEDTLS_ERR_DHM_FILE_IO_ERROR): + return( "DHM - Read or write of file failed" ); + case -(MBEDTLS_ERR_DHM_HW_ACCEL_FAILED): + return( "DHM - DHM hardware accelerator failed" ); + case -(MBEDTLS_ERR_DHM_SET_GROUP_FAILED): + return( "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" ); - if( use_ret == -(MBEDTLS_ERR_ECP_IN_PROGRESS) ) - mbedtls_snprintf( buf, buflen, "ECP - Operation in progress, call again with the same parameters to continue" ); + case -(MBEDTLS_ERR_ECP_BAD_INPUT_DATA): + return( "ECP - Bad input parameters to function" ); + case -(MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL): + return( "ECP - The buffer is too small to write to" ); + case -(MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE): + return( "ECP - The requested feature is not available, for example, the requested curve is not supported" ); + case -(MBEDTLS_ERR_ECP_VERIFY_FAILED): + return( "ECP - The signature is not valid" ); + case -(MBEDTLS_ERR_ECP_ALLOC_FAILED): + return( "ECP - Memory allocation failed" ); + case -(MBEDTLS_ERR_ECP_RANDOM_FAILED): + return( "ECP - Generation of random value, such as ephemeral key, failed" ); + case -(MBEDTLS_ERR_ECP_INVALID_KEY): + return( "ECP - Invalid private or public key" ); + case -(MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH): + return( "ECP - The buffer contains a valid signature followed by more data" ); + case -(MBEDTLS_ERR_ECP_HW_ACCEL_FAILED): + return( "ECP - The ECP hardware accelerator failed" ); + case -(MBEDTLS_ERR_ECP_IN_PROGRESS): + return( "ECP - Operation in progress, call again with the same parameters to continue" ); #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" ); + case -(MBEDTLS_ERR_MD_FEATURE_UNAVAILABLE): + return( "MD - The selected feature is not available" ); + case -(MBEDTLS_ERR_MD_BAD_INPUT_DATA): + return( "MD - Bad input parameters to function" ); + case -(MBEDTLS_ERR_MD_ALLOC_FAILED): + return( "MD - Failed to allocate memory" ); + case -(MBEDTLS_ERR_MD_FILE_IO_ERROR): + return( "MD - Opening or reading of file failed" ); + case -(MBEDTLS_ERR_MD_HW_ACCEL_FAILED): + return( "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" ); + case -(MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT): + return( "PEM - No PEM header or footer found" ); + case -(MBEDTLS_ERR_PEM_INVALID_DATA): + return( "PEM - PEM string is not as expected" ); + case -(MBEDTLS_ERR_PEM_ALLOC_FAILED): + return( "PEM - Failed to allocate memory" ); + case -(MBEDTLS_ERR_PEM_INVALID_ENC_IV): + return( "PEM - RSA IV is not in hex-format" ); + case -(MBEDTLS_ERR_PEM_UNKNOWN_ENC_ALG): + return( "PEM - Unsupported key encryption algorithm" ); + case -(MBEDTLS_ERR_PEM_PASSWORD_REQUIRED): + return( "PEM - Private key password can't be empty" ); + case -(MBEDTLS_ERR_PEM_PASSWORD_MISMATCH): + return( "PEM - Given private key password does not allow for correct decryption" ); + case -(MBEDTLS_ERR_PEM_FEATURE_UNAVAILABLE): + return( "PEM - Unavailable feature, e.g. hashing/encryption combination" ); + case -(MBEDTLS_ERR_PEM_BAD_INPUT_DATA): + return( "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" ); + case -(MBEDTLS_ERR_PK_ALLOC_FAILED): + return( "PK - Memory allocation failed" ); + case -(MBEDTLS_ERR_PK_TYPE_MISMATCH): + return( "PK - Type mismatch, eg attempt to encrypt with an ECDSA key" ); + case -(MBEDTLS_ERR_PK_BAD_INPUT_DATA): + return( "PK - Bad input parameters to function" ); + case -(MBEDTLS_ERR_PK_FILE_IO_ERROR): + return( "PK - Read/write of file failed" ); + case -(MBEDTLS_ERR_PK_KEY_INVALID_VERSION): + return( "PK - Unsupported key version" ); + case -(MBEDTLS_ERR_PK_KEY_INVALID_FORMAT): + return( "PK - Invalid key tag or value" ); + case -(MBEDTLS_ERR_PK_UNKNOWN_PK_ALG): + return( "PK - Key algorithm is unsupported (only RSA and EC are supported)" ); + case -(MBEDTLS_ERR_PK_PASSWORD_REQUIRED): + return( "PK - Private key password can't be empty" ); + case -(MBEDTLS_ERR_PK_PASSWORD_MISMATCH): + return( "PK - Given private key password does not allow for correct decryption" ); + case -(MBEDTLS_ERR_PK_INVALID_PUBKEY): + return( "PK - The pubkey tag or value is invalid (only RSA and EC are supported)" ); + case -(MBEDTLS_ERR_PK_INVALID_ALG): + return( "PK - The algorithm tag or value is invalid" ); + case -(MBEDTLS_ERR_PK_UNKNOWN_NAMED_CURVE): + return( "PK - Elliptic curve is unsupported (only NIST curves are supported)" ); + case -(MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE): + return( "PK - Unavailable feature, e.g. RSA disabled for RSA key" ); + case -(MBEDTLS_ERR_PK_SIG_LEN_MISMATCH): + return( "PK - The buffer contains a valid signature followed by more data" ); + case -(MBEDTLS_ERR_PK_HW_ACCEL_FAILED): + return( "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" ); + case -(MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA): + return( "PKCS12 - Bad input parameters to function" ); + case -(MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE): + return( "PKCS12 - Feature not available, e.g. unsupported encryption scheme" ); + case -(MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT): + return( "PKCS12 - PBE ASN.1 data not as expected" ); + case -(MBEDTLS_ERR_PKCS12_PASSWORD_MISMATCH): + return( "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" ); + case -(MBEDTLS_ERR_PKCS5_BAD_INPUT_DATA): + return( "PKCS5 - Bad input parameters to function" ); + case -(MBEDTLS_ERR_PKCS5_INVALID_FORMAT): + return( "PKCS5 - Unexpected ASN.1 data" ); + case -(MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE): + return( "PKCS5 - Requested encryption or digest alg not available" ); + case -(MBEDTLS_ERR_PKCS5_PASSWORD_MISMATCH): + return( "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" ); + case -(MBEDTLS_ERR_RSA_BAD_INPUT_DATA): + return( "RSA - Bad input parameters to function" ); + case -(MBEDTLS_ERR_RSA_INVALID_PADDING): + return( "RSA - Input data contains invalid padding and is rejected" ); + case -(MBEDTLS_ERR_RSA_KEY_GEN_FAILED): + return( "RSA - Something failed during generation of a key" ); + case -(MBEDTLS_ERR_RSA_KEY_CHECK_FAILED): + return( "RSA - Key failed to pass the validity check of the library" ); + case -(MBEDTLS_ERR_RSA_PUBLIC_FAILED): + return( "RSA - The public key operation failed" ); + case -(MBEDTLS_ERR_RSA_PRIVATE_FAILED): + return( "RSA - The private key operation failed" ); + case -(MBEDTLS_ERR_RSA_VERIFY_FAILED): + return( "RSA - The PKCS#1 verification failed" ); + case -(MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE): + return( "RSA - The output buffer for decryption is not large enough" ); + case -(MBEDTLS_ERR_RSA_RNG_FAILED): + return( "RSA - The random generator failed to generate non-zeros" ); + case -(MBEDTLS_ERR_RSA_UNSUPPORTED_OPERATION): + return( "RSA - The implementation does not offer the requested operation, for example, because of security violations or lack of functionality" ); + case -(MBEDTLS_ERR_RSA_HW_ACCEL_FAILED): + return( "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" ); - if( use_ret == -(MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) ) - mbedtls_snprintf( buf, buflen, "SSL - A cryptographic operation is in progress. Try again later" ); - if( use_ret == -(MBEDTLS_ERR_SSL_BAD_CONFIG) ) - mbedtls_snprintf( buf, buflen, "SSL - Invalid value in SSL config" ); + case -(MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE): + return( "SSL - The requested feature is not available" ); + case -(MBEDTLS_ERR_SSL_BAD_INPUT_DATA): + return( "SSL - Bad input parameters to function" ); + case -(MBEDTLS_ERR_SSL_INVALID_MAC): + return( "SSL - Verification of the message MAC failed" ); + case -(MBEDTLS_ERR_SSL_INVALID_RECORD): + return( "SSL - An invalid SSL record was received" ); + case -(MBEDTLS_ERR_SSL_CONN_EOF): + return( "SSL - The connection indicated an EOF" ); + case -(MBEDTLS_ERR_SSL_UNKNOWN_CIPHER): + return( "SSL - An unknown cipher was received" ); + case -(MBEDTLS_ERR_SSL_NO_CIPHER_CHOSEN): + return( "SSL - The server has no ciphersuites in common with the client" ); + case -(MBEDTLS_ERR_SSL_NO_RNG): + return( "SSL - No RNG was provided to the SSL module" ); + case -(MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE): + return( "SSL - No client certification received from the client, but required by the authentication mode" ); + case -(MBEDTLS_ERR_SSL_CERTIFICATE_TOO_LARGE): + return( "SSL - Our own certificate(s) is/are too large to send in an SSL message" ); + case -(MBEDTLS_ERR_SSL_CERTIFICATE_REQUIRED): + return( "SSL - The own certificate is not set, but needed by the server" ); + case -(MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED): + return( "SSL - The own private key or pre-shared key is not set, but needed" ); + case -(MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED): + return( "SSL - No CA Chain is set, but required to operate" ); + case -(MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE): + return( "SSL - An unexpected message was received from our peer" ); + case -(MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE): + return( "SSL - A fatal alert message was received from our peer" ); + case -(MBEDTLS_ERR_SSL_PEER_VERIFY_FAILED): + return( "SSL - Verification of our peer failed" ); + case -(MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY): + return( "SSL - The peer notified us that the connection is going to be closed" ); + case -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO): + return( "SSL - Processing of the ClientHello handshake message failed" ); + case -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO): + return( "SSL - Processing of the ServerHello handshake message failed" ); + case -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE): + return( "SSL - Processing of the Certificate handshake message failed" ); + case -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST): + return( "SSL - Processing of the CertificateRequest handshake message failed" ); + case -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE): + return( "SSL - Processing of the ServerKeyExchange handshake message failed" ); + case -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO_DONE): + return( "SSL - Processing of the ServerHelloDone handshake message failed" ); + case -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE): + return( "SSL - Processing of the ClientKeyExchange handshake message failed" ); + case -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP): + return( "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Read Public" ); + case -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_CS): + return( "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Calculate Secret" ); + case -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY): + return( "SSL - Processing of the CertificateVerify handshake message failed" ); + case -(MBEDTLS_ERR_SSL_BAD_HS_CHANGE_CIPHER_SPEC): + return( "SSL - Processing of the ChangeCipherSpec handshake message failed" ); + case -(MBEDTLS_ERR_SSL_BAD_HS_FINISHED): + return( "SSL - Processing of the Finished handshake message failed" ); + case -(MBEDTLS_ERR_SSL_ALLOC_FAILED): + return( "SSL - Memory allocation failed" ); + case -(MBEDTLS_ERR_SSL_HW_ACCEL_FAILED): + return( "SSL - Hardware acceleration function returned with error" ); + case -(MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH): + return( "SSL - Hardware acceleration function skipped / left alone data" ); + case -(MBEDTLS_ERR_SSL_COMPRESSION_FAILED): + return( "SSL - Processing of the compression / decompression failed" ); + case -(MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION): + return( "SSL - Handshake protocol not within min/max boundaries" ); + case -(MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET): + return( "SSL - Processing of the NewSessionTicket handshake message failed" ); + case -(MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED): + return( "SSL - Session ticket has expired" ); + case -(MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH): + return( "SSL - Public key type mismatch (eg, asked for RSA key exchange and presented EC key)" ); + case -(MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY): + return( "SSL - Unknown identity received (eg, PSK identity)" ); + case -(MBEDTLS_ERR_SSL_INTERNAL_ERROR): + return( "SSL - Internal error (eg, unexpected failure in lower-level module)" ); + case -(MBEDTLS_ERR_SSL_COUNTER_WRAPPING): + return( "SSL - A counter would wrap (eg, too many messages exchanged)" ); + case -(MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO): + return( "SSL - Unexpected message at ServerHello in renegotiation" ); + case -(MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED): + return( "SSL - DTLS client must retry for hello verification" ); + case -(MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL): + return( "SSL - A buffer is too small to receive or write a message" ); + case -(MBEDTLS_ERR_SSL_NO_USABLE_CIPHERSUITE): + return( "SSL - None of the common ciphersuites is usable (eg, no suitable certificate, see debug messages)" ); + case -(MBEDTLS_ERR_SSL_WANT_READ): + return( "SSL - No data of requested type currently available on underlying transport" ); + case -(MBEDTLS_ERR_SSL_WANT_WRITE): + return( "SSL - Connection requires a write call" ); + case -(MBEDTLS_ERR_SSL_TIMEOUT): + return( "SSL - The operation timed out" ); + case -(MBEDTLS_ERR_SSL_CLIENT_RECONNECT): + return( "SSL - The client initiated a reconnect from the same port" ); + case -(MBEDTLS_ERR_SSL_UNEXPECTED_RECORD): + return( "SSL - Record header looks valid but is not expected" ); + case -(MBEDTLS_ERR_SSL_NON_FATAL): + return( "SSL - The alert message received indicates a non-fatal error" ); + case -(MBEDTLS_ERR_SSL_INVALID_VERIFY_HASH): + return( "SSL - Couldn't set the hash for verifying CertificateVerify" ); + case -(MBEDTLS_ERR_SSL_CONTINUE_PROCESSING): + return( "SSL - Internal-only message signaling that further message-processing should be done" ); + case -(MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS): + return( "SSL - The asynchronous operation is not completed yet" ); + case -(MBEDTLS_ERR_SSL_EARLY_MESSAGE): + return( "SSL - Internal-only message signaling that a message arrived early" ); + case -(MBEDTLS_ERR_SSL_UNEXPECTED_CID): + return( "SSL - An encrypted DTLS-frame with an unexpected CID was received" ); + case -(MBEDTLS_ERR_SSL_VERSION_MISMATCH): + return( "SSL - An operation failed due to an unexpected version or configuration" ); + case -(MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS): + return( "SSL - A cryptographic operation is in progress. Try again later" ); + case -(MBEDTLS_ERR_SSL_BAD_CONFIG): + return( "SSL - Invalid value in SSL config" ); #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" ); + case -(MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE): + return( "X509 - Unavailable feature, e.g. RSA hashing/encryption combination" ); + case -(MBEDTLS_ERR_X509_UNKNOWN_OID): + return( "X509 - Requested OID is unknown" ); + case -(MBEDTLS_ERR_X509_INVALID_FORMAT): + return( "X509 - The CRT/CRL/CSR format is invalid, e.g. different type expected" ); + case -(MBEDTLS_ERR_X509_INVALID_VERSION): + return( "X509 - The CRT/CRL/CSR version element is invalid" ); + case -(MBEDTLS_ERR_X509_INVALID_SERIAL): + return( "X509 - The serial tag or value is invalid" ); + case -(MBEDTLS_ERR_X509_INVALID_ALG): + return( "X509 - The algorithm tag or value is invalid" ); + case -(MBEDTLS_ERR_X509_INVALID_NAME): + return( "X509 - The name tag or value is invalid" ); + case -(MBEDTLS_ERR_X509_INVALID_DATE): + return( "X509 - The date tag or value is invalid" ); + case -(MBEDTLS_ERR_X509_INVALID_SIGNATURE): + return( "X509 - The signature tag or value invalid" ); + case -(MBEDTLS_ERR_X509_INVALID_EXTENSIONS): + return( "X509 - The extension tag or value is invalid" ); + case -(MBEDTLS_ERR_X509_UNKNOWN_VERSION): + return( "X509 - CRT/CRL/CSR has an unsupported version number" ); + case -(MBEDTLS_ERR_X509_UNKNOWN_SIG_ALG): + return( "X509 - Signature algorithm (oid) is unsupported" ); + case -(MBEDTLS_ERR_X509_SIG_MISMATCH): + return( "X509 - Signature algorithms do not match. (see \\c ::mbedtls_x509_crt sig_oid)" ); + case -(MBEDTLS_ERR_X509_CERT_VERIFY_FAILED): + return( "X509 - Certificate verification failed, e.g. CRL, CA or signature check failed" ); + case -(MBEDTLS_ERR_X509_CERT_UNKNOWN_FORMAT): + return( "X509 - Format not recognized as DER or PEM" ); + case -(MBEDTLS_ERR_X509_BAD_INPUT_DATA): + return( "X509 - Input invalid" ); + case -(MBEDTLS_ERR_X509_ALLOC_FAILED): + return( "X509 - Allocation of memory failed" ); + case -(MBEDTLS_ERR_X509_FILE_IO_ERROR): + return( "X509 - Read/write of file failed" ); + case -(MBEDTLS_ERR_X509_BUFFER_TOO_SMALL): + return( "X509 - Destination buffer is too small" ); + case -(MBEDTLS_ERR_X509_FATAL_ERROR): + return( "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 + /* End Auto-Generated Code. */ - if( strlen( buf ) == 0 ) - mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret ); + default: + break; } - 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 ); + return( NULL ); +} - if( len > 0 ) - { - if( buflen - len < 5 ) - return; +const char * mbedtls_low_level_strerr( int error_code ) +{ + int low_level_error_code; - mbedtls_snprintf( buf + len, buflen - len, " : " ); + if( error_code < 0 ) + error_code = -error_code; - buf += len + 3; - buflen -= len + 3; - } + /* Extract the low-level part from the error code. */ + low_level_error_code = error_code & ~0xFF80; - // Low level error codes - // - // BEGIN generated code + switch( low_level_error_code ) + { + /* Begin Auto-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" ); + case -(MBEDTLS_ERR_AES_INVALID_KEY_LENGTH): + return( "AES - Invalid key length" ); + case -(MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH): + return( "AES - Invalid data input length" ); + case -(MBEDTLS_ERR_AES_BAD_INPUT_DATA): + return( "AES - Invalid input data" ); + case -(MBEDTLS_ERR_AES_FEATURE_UNAVAILABLE): + return( "AES - Feature not available. For example, an unsupported AES key size" ); + case -(MBEDTLS_ERR_AES_HW_ACCEL_FAILED): + return( "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" ); + case -(MBEDTLS_ERR_ARC4_HW_ACCEL_FAILED): + return( "ARC4 - ARC4 hardware accelerator failed" ); #endif /* MBEDTLS_ARC4_C */ #if defined(MBEDTLS_ARIA_C) - if( use_ret == -(MBEDTLS_ERR_ARIA_BAD_INPUT_DATA) ) - mbedtls_snprintf( buf, buflen, "ARIA - Bad input data" ); - 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" ); + case -(MBEDTLS_ERR_ARIA_BAD_INPUT_DATA): + return( "ARIA - Bad input data" ); + case -(MBEDTLS_ERR_ARIA_INVALID_INPUT_LENGTH): + return( "ARIA - Invalid data input length" ); + case -(MBEDTLS_ERR_ARIA_FEATURE_UNAVAILABLE): + return( "ARIA - Feature not available. For example, an unsupported ARIA key size" ); + case -(MBEDTLS_ERR_ARIA_HW_ACCEL_FAILED): + return( "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" ); + case -(MBEDTLS_ERR_ASN1_OUT_OF_DATA): + return( "ASN1 - Out of data when parsing an ASN1 data structure" ); + case -(MBEDTLS_ERR_ASN1_UNEXPECTED_TAG): + return( "ASN1 - ASN1 tag was of an unexpected value" ); + case -(MBEDTLS_ERR_ASN1_INVALID_LENGTH): + return( "ASN1 - Error when trying to determine the length or invalid length" ); + case -(MBEDTLS_ERR_ASN1_LENGTH_MISMATCH): + return( "ASN1 - Actual length differs from expected length" ); + case -(MBEDTLS_ERR_ASN1_INVALID_DATA): + return( "ASN1 - Data is invalid" ); + case -(MBEDTLS_ERR_ASN1_ALLOC_FAILED): + return( "ASN1 - Memory allocation failed" ); + case -(MBEDTLS_ERR_ASN1_BUF_TOO_SMALL): + return( "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" ); + case -(MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL): + return( "BASE64 - Output buffer too small" ); + case -(MBEDTLS_ERR_BASE64_INVALID_CHARACTER): + return( "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" ); + case -(MBEDTLS_ERR_MPI_FILE_IO_ERROR): + return( "BIGNUM - An error occurred while reading from or writing to a file" ); + case -(MBEDTLS_ERR_MPI_BAD_INPUT_DATA): + return( "BIGNUM - Bad input parameters to function" ); + case -(MBEDTLS_ERR_MPI_INVALID_CHARACTER): + return( "BIGNUM - There is an invalid character in the digit string" ); + case -(MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL): + return( "BIGNUM - The buffer is too small to write to" ); + case -(MBEDTLS_ERR_MPI_NEGATIVE_VALUE): + return( "BIGNUM - The input arguments are negative or result in illegal output" ); + case -(MBEDTLS_ERR_MPI_DIVISION_BY_ZERO): + return( "BIGNUM - The input argument for division is zero, which is not allowed" ); + case -(MBEDTLS_ERR_MPI_NOT_ACCEPTABLE): + return( "BIGNUM - The input arguments are not acceptable" ); + case -(MBEDTLS_ERR_MPI_ALLOC_FAILED): + return( "BIGNUM - Memory allocation failed" ); #endif /* MBEDTLS_BIGNUM_C */ #if defined(MBEDTLS_BLOWFISH_C) - if( use_ret == -(MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA) ) - mbedtls_snprintf( buf, buflen, "BLOWFISH - Bad input data" ); - if( use_ret == -(MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH) ) - mbedtls_snprintf( buf, buflen, "BLOWFISH - Invalid data input length" ); - if( use_ret == -(MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED) ) - mbedtls_snprintf( buf, buflen, "BLOWFISH - Blowfish hardware accelerator failed" ); + case -(MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA): + return( "BLOWFISH - Bad input data" ); + case -(MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH): + return( "BLOWFISH - Invalid data input length" ); + case -(MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED): + return( "BLOWFISH - Blowfish hardware accelerator failed" ); #endif /* MBEDTLS_BLOWFISH_C */ #if defined(MBEDTLS_CAMELLIA_C) - if( use_ret == -(MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA) ) - mbedtls_snprintf( buf, buflen, "CAMELLIA - Bad input data" ); - 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" ); + case -(MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA): + return( "CAMELLIA - Bad input data" ); + case -(MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH): + return( "CAMELLIA - Invalid data input length" ); + case -(MBEDTLS_ERR_CAMELLIA_HW_ACCEL_FAILED): + return( "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" ); + case -(MBEDTLS_ERR_CCM_BAD_INPUT): + return( "CCM - Bad input parameters to the function" ); + case -(MBEDTLS_ERR_CCM_AUTH_FAILED): + return( "CCM - Authenticated decryption failed" ); + case -(MBEDTLS_ERR_CCM_HW_ACCEL_FAILED): + return( "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" ); + case -(MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA): + return( "CHACHA20 - Invalid input parameter(s)" ); + case -(MBEDTLS_ERR_CHACHA20_FEATURE_UNAVAILABLE): + return( "CHACHA20 - Feature not available. For example, s part of the API is not implemented" ); + case -(MBEDTLS_ERR_CHACHA20_HW_ACCEL_FAILED): + return( "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" ); + case -(MBEDTLS_ERR_CHACHAPOLY_BAD_STATE): + return( "CHACHAPOLY - The requested operation is not permitted in the current state" ); + case -(MBEDTLS_ERR_CHACHAPOLY_AUTH_FAILED): + return( "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" ); + case -(MBEDTLS_ERR_CMAC_HW_ACCEL_FAILED): + return( "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" ); + case -(MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED): + return( "CTR_DRBG - The entropy source failed" ); + case -(MBEDTLS_ERR_CTR_DRBG_REQUEST_TOO_BIG): + return( "CTR_DRBG - The requested random buffer length is too big" ); + case -(MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG): + return( "CTR_DRBG - The input (entropy + additional data) is too large" ); + case -(MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR): + return( "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" ); + case -(MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH): + return( "DES - The data input has an invalid length" ); + case -(MBEDTLS_ERR_DES_HW_ACCEL_FAILED): + return( "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" ); + case -(MBEDTLS_ERR_ENTROPY_SOURCE_FAILED): + return( "ENTROPY - Critical entropy source failure" ); + case -(MBEDTLS_ERR_ENTROPY_MAX_SOURCES): + return( "ENTROPY - No more sources can be added" ); + case -(MBEDTLS_ERR_ENTROPY_NO_SOURCES_DEFINED): + return( "ENTROPY - No sources have been added to poll" ); + case -(MBEDTLS_ERR_ENTROPY_NO_STRONG_SOURCE): + return( "ENTROPY - No strong sources have been added to poll" ); + case -(MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR): + return( "ENTROPY - Read/write error in file" ); #endif /* MBEDTLS_ENTROPY_C */ +#if defined(MBEDTLS_ERROR_C) + case -(MBEDTLS_ERR_ERROR_GENERIC_ERROR): + return( "ERROR - Generic error" ); + case -(MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED): + return( "ERROR - This is a bug in the library" ); +#endif /* MBEDTLS_ERROR_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" ); + case -(MBEDTLS_ERR_GCM_AUTH_FAILED): + return( "GCM - Authenticated decryption failed" ); + case -(MBEDTLS_ERR_GCM_HW_ACCEL_FAILED): + return( "GCM - GCM hardware accelerator failed" ); + case -(MBEDTLS_ERR_GCM_BAD_INPUT): + return( "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" ); + case -(MBEDTLS_ERR_HKDF_BAD_INPUT_DATA): + return( "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" ); + case -(MBEDTLS_ERR_HMAC_DRBG_REQUEST_TOO_BIG): + return( "HMAC_DRBG - Too many random requested in single call" ); + case -(MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG): + return( "HMAC_DRBG - Input too large (Entropy + additional)" ); + case -(MBEDTLS_ERR_HMAC_DRBG_FILE_IO_ERROR): + return( "HMAC_DRBG - Read/write error in file" ); + case -(MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED): + return( "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" ); + case -(MBEDTLS_ERR_MD2_HW_ACCEL_FAILED): + return( "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" ); + case -(MBEDTLS_ERR_MD4_HW_ACCEL_FAILED): + return( "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" ); + case -(MBEDTLS_ERR_MD5_HW_ACCEL_FAILED): + return( "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" ); + case -(MBEDTLS_ERR_NET_SOCKET_FAILED): + return( "NET - Failed to open a socket" ); + case -(MBEDTLS_ERR_NET_CONNECT_FAILED): + return( "NET - The connection to the given server / port failed" ); + case -(MBEDTLS_ERR_NET_BIND_FAILED): + return( "NET - Binding of the socket failed" ); + case -(MBEDTLS_ERR_NET_LISTEN_FAILED): + return( "NET - Could not listen on the socket" ); + case -(MBEDTLS_ERR_NET_ACCEPT_FAILED): + return( "NET - Could not accept the incoming connection" ); + case -(MBEDTLS_ERR_NET_RECV_FAILED): + return( "NET - Reading information from the socket failed" ); + case -(MBEDTLS_ERR_NET_SEND_FAILED): + return( "NET - Sending information through the socket failed" ); + case -(MBEDTLS_ERR_NET_CONN_RESET): + return( "NET - Connection was reset by peer" ); + case -(MBEDTLS_ERR_NET_UNKNOWN_HOST): + return( "NET - Failed to get an IP address for the given hostname" ); + case -(MBEDTLS_ERR_NET_BUFFER_TOO_SMALL): + return( "NET - Buffer is too small to hold the data" ); + case -(MBEDTLS_ERR_NET_INVALID_CONTEXT): + return( "NET - The context is invalid, eg because it was free()ed" ); + case -(MBEDTLS_ERR_NET_POLL_FAILED): + return( "NET - Polling the net context failed" ); + case -(MBEDTLS_ERR_NET_BAD_INPUT_DATA): + return( "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" ); + case -(MBEDTLS_ERR_OID_NOT_FOUND): + return( "OID - OID is not found" ); + case -(MBEDTLS_ERR_OID_BUF_TOO_SMALL): + return( "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" ); + case -(MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED): + return( "PADLOCK - Input data should be aligned" ); #endif /* MBEDTLS_PADLOCK_C */ #if defined(MBEDTLS_PLATFORM_C) - if( use_ret == -(MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED) ) - mbedtls_snprintf( buf, buflen, "PLATFORM - Hardware accelerator failed" ); - if( use_ret == -(MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED) ) - mbedtls_snprintf( buf, buflen, "PLATFORM - The requested feature is not supported by the platform" ); + case -(MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED): + return( "PLATFORM - Hardware accelerator failed" ); + case -(MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED): + return( "PLATFORM - The requested feature is not supported by the platform" ); #endif /* MBEDTLS_PLATFORM_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" ); + case -(MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA): + return( "POLY1305 - Invalid input parameter(s)" ); + case -(MBEDTLS_ERR_POLY1305_FEATURE_UNAVAILABLE): + return( "POLY1305 - Feature not available. For example, s part of the API is not implemented" ); + case -(MBEDTLS_ERR_POLY1305_HW_ACCEL_FAILED): + return( "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" ); + case -(MBEDTLS_ERR_RIPEMD160_HW_ACCEL_FAILED): + return( "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" ); - if( use_ret == -(MBEDTLS_ERR_SHA1_BAD_INPUT_DATA) ) - mbedtls_snprintf( buf, buflen, "SHA1 - SHA-1 input data was malformed" ); + case -(MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED): + return( "SHA1 - SHA-1 hardware accelerator failed" ); + case -(MBEDTLS_ERR_SHA1_BAD_INPUT_DATA): + return( "SHA1 - SHA-1 input data was malformed" ); #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" ); - if( use_ret == -(MBEDTLS_ERR_SHA256_BAD_INPUT_DATA) ) - mbedtls_snprintf( buf, buflen, "SHA256 - SHA-256 input data was malformed" ); + case -(MBEDTLS_ERR_SHA256_HW_ACCEL_FAILED): + return( "SHA256 - SHA-256 hardware accelerator failed" ); + case -(MBEDTLS_ERR_SHA256_BAD_INPUT_DATA): + return( "SHA256 - SHA-256 input data was malformed" ); #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" ); - if( use_ret == -(MBEDTLS_ERR_SHA512_BAD_INPUT_DATA) ) - mbedtls_snprintf( buf, buflen, "SHA512 - SHA-512 input data was malformed" ); + case -(MBEDTLS_ERR_SHA512_HW_ACCEL_FAILED): + return( "SHA512 - SHA-512 hardware accelerator failed" ); + case -(MBEDTLS_ERR_SHA512_BAD_INPUT_DATA): + return( "SHA512 - SHA-512 input data was malformed" ); #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" ); + case -(MBEDTLS_ERR_THREADING_FEATURE_UNAVAILABLE): + return( "THREADING - The selected feature is not available" ); + case -(MBEDTLS_ERR_THREADING_BAD_INPUT_DATA): + return( "THREADING - Bad input parameters to function" ); + case -(MBEDTLS_ERR_THREADING_MUTEX_ERROR): + return( "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" ); + case -(MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH): + return( "XTEA - The data input has an invalid length" ); + case -(MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED): + return( "XTEA - XTEA hardware accelerator failed" ); #endif /* MBEDTLS_XTEA_C */ - // END generated code + /* End Auto-Generated Code. */ + + default: + break; + } + + return( NULL ); +} + +void mbedtls_strerror( int ret, char *buf, size_t buflen ) +{ + size_t len; + int use_ret; + const char * high_level_error_description = NULL; + const char * low_level_error_description = NULL; + + if( buflen == 0 ) + return; + + memset( buf, 0x00, buflen ); + + if( ret < 0 ) + ret = -ret; + + if( ret & 0xFF80 ) + { + use_ret = ret & 0xFF80; + + // Translate high level error code. + high_level_error_description = mbedtls_high_level_strerr( ret ); + + if( high_level_error_description == NULL ) + mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", (unsigned int) use_ret ); + else + mbedtls_snprintf( buf, buflen, "%s", high_level_error_description ); + +#if defined(MBEDTLS_SSL_TLS_C) + // Early return in case of a fatal error - do not try to translate low + // level code. + if(use_ret == -(MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE)) + return; +#endif /* MBEDTLS_SSL_TLS_C */ + } - if( strlen( buf ) != 0 ) + use_ret = ret & ~0xFF80; + + if( use_ret == 0 ) return; - mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret ); + // 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; + } + + // Translate low level error code. + low_level_error_description = mbedtls_low_level_strerr( ret ); + + if( low_level_error_description == NULL ) + mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", (unsigned int) use_ret ); + else + mbedtls_snprintf( buf, buflen, "%s", low_level_error_description ); } #else /* MBEDTLS_ERROR_C */ @@ -941,4 +973,8 @@ void mbedtls_strerror( int ret, char *buf, size_t buflen ) #endif /* MBEDTLS_ERROR_C */ +#if defined(MBEDTLS_TEST_HOOKS) +void (*mbedtls_test_hook_error_add)( int, int, const char *, int ); +#endif + #endif /* MBEDTLS_ERROR_C || MBEDTLS_ERROR_STRERROR_DUMMY */ |