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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/include/mbedtls/asn1write.h')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/include/mbedtls/asn1write.h | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/include/mbedtls/asn1write.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/include/mbedtls/asn1write.h new file mode 100644 index 0000000..73ff32b --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/include/mbedtls/asn1write.h @@ -0,0 +1,239 @@ +/** + * \file asn1write.h + * + * \brief ASN.1 buffer writing functionality + * + * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved + * 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. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * This file is part of mbed TLS (https://tls.mbed.org) + */ +#ifndef MBEDTLS_ASN1_WRITE_H +#define MBEDTLS_ASN1_WRITE_H + +#include "asn1.h" + +#define MBEDTLS_ASN1_CHK_ADD(g, f) do { if( ( ret = f ) < 0 ) return( ret ); else \ + g += ret; } while( 0 ) + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \brief Write a length field in ASN.1 format + * Note: function works backwards in data buffer + * + * \param p reference to current position pointer + * \param start start of the buffer (for bounds-checking) + * \param len the length to write + * + * \return the length written or a negative error code + */ +int mbedtls_asn1_write_len( unsigned char **p, unsigned char *start, size_t len ); + +/** + * \brief Write a ASN.1 tag in ASN.1 format + * Note: function works backwards in data buffer + * + * \param p reference to current position pointer + * \param start start of the buffer (for bounds-checking) + * \param tag the tag to write + * + * \return the length written or a negative error code + */ +int mbedtls_asn1_write_tag( unsigned char **p, unsigned char *start, + unsigned char tag ); + +/** + * \brief Write raw buffer data + * Note: function works backwards in data buffer + * + * \param p reference to current position pointer + * \param start start of the buffer (for bounds-checking) + * \param buf data buffer to write + * \param size length of the data buffer + * + * \return the length written or a negative error code + */ +int mbedtls_asn1_write_raw_buffer( unsigned char **p, unsigned char *start, + const unsigned char *buf, size_t size ); + +#if defined(MBEDTLS_BIGNUM_C) +/** + * \brief Write a big number (MBEDTLS_ASN1_INTEGER) in ASN.1 format + * Note: function works backwards in data buffer + * + * \param p reference to current position pointer + * \param start start of the buffer (for bounds-checking) + * \param X the MPI to write + * + * \return the length written or a negative error code + */ +int mbedtls_asn1_write_mpi( unsigned char **p, unsigned char *start, const mbedtls_mpi *X ); +#endif /* MBEDTLS_BIGNUM_C */ + +/** + * \brief Write a NULL tag (MBEDTLS_ASN1_NULL) with zero data in ASN.1 format + * Note: function works backwards in data buffer + * + * \param p reference to current position pointer + * \param start start of the buffer (for bounds-checking) + * + * \return the length written or a negative error code + */ +int mbedtls_asn1_write_null( unsigned char **p, unsigned char *start ); + +/** + * \brief Write an OID tag (MBEDTLS_ASN1_OID) and data in ASN.1 format + * Note: function works backwards in data buffer + * + * \param p reference to current position pointer + * \param start start of the buffer (for bounds-checking) + * \param oid the OID to write + * \param oid_len length of the OID + * + * \return the length written or a negative error code + */ +int mbedtls_asn1_write_oid( unsigned char **p, unsigned char *start, + const char *oid, size_t oid_len ); + +/** + * \brief Write an AlgorithmIdentifier sequence in ASN.1 format + * Note: function works backwards in data buffer + * + * \param p reference to current position pointer + * \param start start of the buffer (for bounds-checking) + * \param oid the OID of the algorithm + * \param oid_len length of the OID + * \param par_len length of parameters, which must be already written. + * If 0, NULL parameters are added + * + * \return the length written or a negative error code + */ +int mbedtls_asn1_write_algorithm_identifier( unsigned char **p, unsigned char *start, + const char *oid, size_t oid_len, + size_t par_len ); + +/** + * \brief Write a boolean tag (MBEDTLS_ASN1_BOOLEAN) and value in ASN.1 format + * Note: function works backwards in data buffer + * + * \param p reference to current position pointer + * \param start start of the buffer (for bounds-checking) + * \param boolean 0 or 1 + * + * \return the length written or a negative error code + */ +int mbedtls_asn1_write_bool( unsigned char **p, unsigned char *start, int boolean ); + +/** + * \brief Write an int tag (MBEDTLS_ASN1_INTEGER) and value in ASN.1 format + * Note: function works backwards in data buffer + * + * \param p reference to current position pointer + * \param start start of the buffer (for bounds-checking) + * \param val the integer value + * + * \return the length written or a negative error code + */ +int mbedtls_asn1_write_int( unsigned char **p, unsigned char *start, int val ); + +/** + * \brief Write a printable string tag (MBEDTLS_ASN1_PRINTABLE_STRING) and + * value in ASN.1 format + * Note: function works backwards in data buffer + * + * \param p reference to current position pointer + * \param start start of the buffer (for bounds-checking) + * \param text the text to write + * \param text_len length of the text + * + * \return the length written or a negative error code + */ +int mbedtls_asn1_write_printable_string( unsigned char **p, unsigned char *start, + const char *text, size_t text_len ); + +/** + * \brief Write an IA5 string tag (MBEDTLS_ASN1_IA5_STRING) and + * value in ASN.1 format + * Note: function works backwards in data buffer + * + * \param p reference to current position pointer + * \param start start of the buffer (for bounds-checking) + * \param text the text to write + * \param text_len length of the text + * + * \return the length written or a negative error code + */ +int mbedtls_asn1_write_ia5_string( unsigned char **p, unsigned char *start, + const char *text, size_t text_len ); + +/** + * \brief Write a bitstring tag (MBEDTLS_ASN1_BIT_STRING) and + * value in ASN.1 format + * Note: function works backwards in data buffer + * + * \param p reference to current position pointer + * \param start start of the buffer (for bounds-checking) + * \param buf the bitstring + * \param bits the total number of bits in the bitstring + * + * \return the length written or a negative error code + */ +int mbedtls_asn1_write_bitstring( unsigned char **p, unsigned char *start, + const unsigned char *buf, size_t bits ); + +/** + * \brief Write an octet string tag (MBEDTLS_ASN1_OCTET_STRING) and + * value in ASN.1 format + * Note: function works backwards in data buffer + * + * \param p reference to current position pointer + * \param start start of the buffer (for bounds-checking) + * \param buf data buffer to write + * \param size length of the data buffer + * + * \return the length written or a negative error code + */ +int mbedtls_asn1_write_octet_string( unsigned char **p, unsigned char *start, + const unsigned char *buf, size_t size ); + +/** + * \brief Create or find a specific named_data entry for writing in a + * sequence or list based on the OID. If not already in there, + * a new entry is added to the head of the list. + * Warning: Destructive behaviour for the val data! + * + * \param list Pointer to the location of the head of the list to seek + * through (will be updated in case of a new entry) + * \param oid The OID to look for + * \param oid_len Size of the OID + * \param val Data to store (can be NULL if you want to fill it by hand) + * \param val_len Minimum length of the data buffer needed + * + * \return NULL if if there was a memory allocation error, or a pointer + * to the new / existing entry. + */ +mbedtls_asn1_named_data *mbedtls_asn1_store_named_data( mbedtls_asn1_named_data **list, + const char *oid, size_t oid_len, + const unsigned char *val, + size_t val_len ); + +#ifdef __cplusplus +} +#endif + +#endif /* MBEDTLS_ASN1_WRITE_H */ |