mirror of
https://github.com/obgm/libcoap.git
synced 2026-11-03 08:25:47 +03:00
Jon Shallow
dac6bd3b60
Based on work done in https://gitlab.informatik.uni-bremen.de/obergman/libcoap New directories with files include/oscore src/oscore New files include/coap3/coap_oscore.h include/coap3/coap_crypto_internal.h include/coap3/coap_oscore_internal.h man/coap-oscore-conf.txt.in man/coap_oscore.txt.in src/coap_oscore.c tests/test_oscore.c tests/test_oscore.h Supported by new option (enabled by default) ./configure --enable-oscore cmake .. -DENABLE_OSCORE=ON Requires a TLS library configured to do the OSCORE encryption and hashing.
144 lines
4.8 KiB
C
144 lines
4.8 KiB
C
/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* Copyright (c) 2018, SICS, RISE AB
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/**
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* @file oscore_cbor.h
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* @brief An implementation of the Concise Binary Object Representation (RFC).
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*
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* \author
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* Martin Gunnarsson <martin.gunnarsson@ri.se>
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* extended for libcoap by:
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* Peter van der Stok <consultancy@vanderstok.org>
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* on request of Fairhair alliance
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* adapted for libcoap integration
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* Jon Shallow <supjps-libcoap@jpshallow.com>
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*
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*/
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#ifndef _OSCORE_CBOR_H
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#define _OSCORE_CBOR_H
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#include <stddef.h>
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#include <stdint.h>
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/**
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* @ingroup internal_api
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* @defgroup oscore_cbor_internal OSCORE CBOR Support
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* Internal API for interfacing with OSCORE CBOR
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* @{
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*/
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/* CBOR major types */
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#define CBOR_UNSIGNED_INTEGER 0
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#define CBOR_NEGATIVE_INTEGER 1
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#define CBOR_BYTE_STRING 2
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#define CBOR_TEXT_STRING 3
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#define CBOR_ARRAY 4
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#define CBOR_MAP 5
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#define CBOR_TAG 6
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#define CBOR_SIMPLE_VALUE 7
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#define CBOR_FLOATING_POINT 7
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#define CBOR_FALSE 20
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#define CBOR_TRUE 21
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size_t oscore_cbor_put_nil(uint8_t **buffer, size_t *buf_size);
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size_t oscore_cbor_put_true(uint8_t **buffer, size_t *buf_size);
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size_t oscore_cbor_put_false(uint8_t **buffer, size_t *buf_size);
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size_t oscore_cbor_put_text(uint8_t **buffer,
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size_t *buf_size,
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const char *text,
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uint64_t text_len);
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size_t
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oscore_cbor_put_array(uint8_t **buffer, size_t *buf_size, uint64_t elements);
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size_t oscore_cbor_put_bytes(uint8_t **buffer,
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size_t *buf_size,
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const uint8_t *bytes,
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uint64_t bytes_len);
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size_t
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oscore_cbor_put_map(uint8_t **buffer, size_t *buf_size, uint64_t elements);
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size_t
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oscore_cbor_put_number(uint8_t **buffer, size_t *buf_size, int64_t value);
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size_t
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oscore_cbor_put_simple_value(uint8_t **buffer, size_t *buf_size, uint8_t value);
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size_t
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oscore_cbor_put_unsigned(uint8_t **buffer, size_t *buf_size, uint64_t value);
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size_t oscore_cbor_put_tag(uint8_t **buffer, size_t *buf_size, uint64_t value);
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size_t
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oscore_cbor_put_negative(uint8_t **buffer, size_t *buf_size, int64_t value);
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uint8_t oscore_cbor_get_next_element(const uint8_t **buffer);
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uint64_t oscore_cbor_get_element_size(const uint8_t **buffer);
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uint8_t oscore_cbor_elem_contained(const uint8_t *data, uint8_t *end);
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uint8_t oscore_cbor_get_number(const uint8_t **data, int64_t *value);
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uint8_t oscore_cbor_get_simple_value(const uint8_t **data, uint8_t *value);
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int64_t oscore_cbor_get_negative_integer(const uint8_t **buffer);
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uint64_t oscore_cbor_get_unsigned_integer(const uint8_t **buffer);
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void oscore_cbor_get_string(const uint8_t **buffer, char *str, uint64_t size);
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void oscore_cbor_get_array(const uint8_t **buffer, uint8_t *arr, uint64_t size);
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/* oscore_cbor_get_string_array
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* fills the the size and the array from the cbor element
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*/
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uint8_t oscore_cbor_get_string_array(const uint8_t **data,
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uint8_t **result,
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size_t *len);
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/* oscore_cbor_strip value
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* strips the value of the cbor element into result
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* and returns size
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*/
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uint8_t
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oscore_cbor_strip_value(const uint8_t **data, uint8_t **result, size_t *len);
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/** @} */
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#endif /* _OSCORE_CBOR_H */
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