Rename include directory to mbedtls
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Manuel Pégourié-Gonnard
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129db08c90
commit
7f8099773e
250 changed files with 908 additions and 908 deletions
240
include/mbedtls/asn1write.h
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include/mbedtls/asn1write.h
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/**
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* \file asn1write.h
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*
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* \brief ASN.1 buffer writing functionality
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*
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* Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef POLARSSL_ASN1_WRITE_H
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#define POLARSSL_ASN1_WRITE_H
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#include "asn1.h"
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#define ASN1_CHK_ADD(g, f) do { if( ( ret = f ) < 0 ) return( ret ); else \
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g += ret; } while( 0 )
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \brief Write a length field in ASN.1 format
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* Note: function works backwards in data buffer
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*
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* \param p reference to current position pointer
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* \param start start of the buffer (for bounds-checking)
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* \param len the length to write
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*
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* \return the length written or a negative error code
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*/
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int asn1_write_len( unsigned char **p, unsigned char *start, size_t len );
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/**
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* \brief Write a ASN.1 tag in ASN.1 format
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* Note: function works backwards in data buffer
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*
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* \param p reference to current position pointer
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* \param start start of the buffer (for bounds-checking)
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* \param tag the tag to write
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*
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* \return the length written or a negative error code
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*/
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int asn1_write_tag( unsigned char **p, unsigned char *start,
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unsigned char tag );
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/**
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* \brief Write raw buffer data
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* Note: function works backwards in data buffer
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*
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* \param p reference to current position pointer
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* \param start start of the buffer (for bounds-checking)
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* \param buf data buffer to write
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* \param size length of the data buffer
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*
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* \return the length written or a negative error code
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*/
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int asn1_write_raw_buffer( unsigned char **p, unsigned char *start,
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const unsigned char *buf, size_t size );
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#if defined(POLARSSL_BIGNUM_C)
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/**
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* \brief Write a big number (ASN1_INTEGER) in ASN.1 format
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* Note: function works backwards in data buffer
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*
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* \param p reference to current position pointer
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* \param start start of the buffer (for bounds-checking)
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* \param X the MPI to write
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*
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* \return the length written or a negative error code
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*/
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int asn1_write_mpi( unsigned char **p, unsigned char *start, mpi *X );
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#endif /* POLARSSL_BIGNUM_C */
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/**
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* \brief Write a NULL tag (ASN1_NULL) with zero data in ASN.1 format
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* Note: function works backwards in data buffer
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*
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* \param p reference to current position pointer
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* \param start start of the buffer (for bounds-checking)
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*
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* \return the length written or a negative error code
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*/
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int asn1_write_null( unsigned char **p, unsigned char *start );
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/**
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* \brief Write an OID tag (ASN1_OID) and data in ASN.1 format
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* Note: function works backwards in data buffer
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*
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* \param p reference to current position pointer
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* \param start start of the buffer (for bounds-checking)
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* \param oid the OID to write
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* \param oid_len length of the OID
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*
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* \return the length written or a negative error code
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*/
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int asn1_write_oid( unsigned char **p, unsigned char *start,
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const char *oid, size_t oid_len );
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/**
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* \brief Write an AlgorithmIdentifier sequence in ASN.1 format
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* Note: function works backwards in data buffer
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*
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* \param p reference to current position pointer
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* \param start start of the buffer (for bounds-checking)
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* \param oid the OID of the algorithm
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* \param oid_len length of the OID
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* \param par_len length of parameters, which must be already written.
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* If 0, NULL parameters are added
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*
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* \return the length written or a negative error code
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*/
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int asn1_write_algorithm_identifier( unsigned char **p, unsigned char *start,
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const char *oid, size_t oid_len,
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size_t par_len );
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/**
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* \brief Write a boolean tag (ASN1_BOOLEAN) and value in ASN.1 format
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* Note: function works backwards in data buffer
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*
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* \param p reference to current position pointer
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* \param start start of the buffer (for bounds-checking)
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* \param boolean 0 or 1
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*
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* \return the length written or a negative error code
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*/
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int asn1_write_bool( unsigned char **p, unsigned char *start, int boolean );
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/**
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* \brief Write an int tag (ASN1_INTEGER) and value in ASN.1 format
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* Note: function works backwards in data buffer
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*
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* \param p reference to current position pointer
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* \param start start of the buffer (for bounds-checking)
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* \param val the integer value
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*
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* \return the length written or a negative error code
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*/
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int asn1_write_int( unsigned char **p, unsigned char *start, int val );
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/**
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* \brief Write a printable string tag (ASN1_PRINTABLE_STRING) and
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* value in ASN.1 format
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* Note: function works backwards in data buffer
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*
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* \param p reference to current position pointer
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* \param start start of the buffer (for bounds-checking)
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* \param text the text to write
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* \param text_len length of the text
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*
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* \return the length written or a negative error code
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*/
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int asn1_write_printable_string( unsigned char **p, unsigned char *start,
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const char *text, size_t text_len );
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/**
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* \brief Write an IA5 string tag (ASN1_IA5_STRING) and
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* value in ASN.1 format
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* Note: function works backwards in data buffer
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*
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* \param p reference to current position pointer
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* \param start start of the buffer (for bounds-checking)
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* \param text the text to write
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* \param text_len length of the text
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*
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* \return the length written or a negative error code
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*/
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int asn1_write_ia5_string( unsigned char **p, unsigned char *start,
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const char *text, size_t text_len );
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/**
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* \brief Write a bitstring tag (ASN1_BIT_STRING) and
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* value in ASN.1 format
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* Note: function works backwards in data buffer
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*
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* \param p reference to current position pointer
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* \param start start of the buffer (for bounds-checking)
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* \param buf the bitstring
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* \param bits the total number of bits in the bitstring
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*
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* \return the length written or a negative error code
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*/
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int asn1_write_bitstring( unsigned char **p, unsigned char *start,
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const unsigned char *buf, size_t bits );
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/**
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* \brief Write an octet string tag (ASN1_OCTET_STRING) and
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* value in ASN.1 format
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* Note: function works backwards in data buffer
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*
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* \param p reference to current position pointer
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* \param start start of the buffer (for bounds-checking)
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* \param buf data buffer to write
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* \param size length of the data buffer
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*
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* \return the length written or a negative error code
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*/
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int asn1_write_octet_string( unsigned char **p, unsigned char *start,
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const unsigned char *buf, size_t size );
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/**
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* \brief Create or find a specific named_data entry for writing in a
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* sequence or list based on the OID. If not already in there,
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* a new entry is added to the head of the list.
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* Warning: Destructive behaviour for the val data!
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*
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* \param list Pointer to the location of the head of the list to seek
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* through (will be updated in case of a new entry)
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* \param oid The OID to look for
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* \param oid_len Size of the OID
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* \param val Data to store (can be NULL if you want to fill it by hand)
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* \param val_len Minimum length of the data buffer needed
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*
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* \return NULL if if there was a memory allocation error, or a pointer
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* to the new / existing entry.
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*/
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asn1_named_data *asn1_store_named_data( asn1_named_data **list,
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const char *oid, size_t oid_len,
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const unsigned char *val,
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size_t val_len );
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#ifdef __cplusplus
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}
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#endif
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#endif /* POLARSSL_ASN1_WRITE_H */
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