1libcoap {#mainpage} 2======= 3 4A C implementation of the Constrained Application Protocol (RFC 7252) 5===================================================================== 6 7Copyright (C) 2010--2021 by Olaf Bergmann <bergmann@tzi.org> and others 8 9About libcoap 10============= 11 12libcoap is a C implementation of a lightweight application-protocol 13for devices that are constrained their resources such as computing 14power, RF range, memory, bandwidth, or network packet sizes. This 15protocol, CoAP, is standardized by the IETF as RFC 7252. For further 16information related to CoAP, see <http://coap.technology>. 17 18You might want to check out 19[libcoap-minimal](https://github.com/obgm/libcoap-minimal) for usage 20examples. 21 22The following RFCs are supported 23 24* RFC7252: The Constrained Application Protocol (CoAP) 25 26* RFC7641: Observing Resources in the Constrained Application Protocol (CoAP) 27 28* RFC7959: Block-Wise Transfers in the Constrained Application Protocol (CoAP) 29 30* RFC7967: Constrained Application Protocol (CoAP) Option for No Server Response 31 32* RFC8132: PATCH and FETCH Methods for the Constrained Application Protocol (CoAP) 33 34* RFC8323: CoAP (Constrained Application Protocol) over TCP, TLS, and WebSockets 35 [No WebSockets support] 36 37* RFC8768: Constrained Application Protocol (CoAP) Hop-Limit Option 38 39There is (D)TLS support for the following libraries 40 41* OpenSSL (Minimum version 1.1.0) [PKI, PSK and PKCS11] 42 43* GnuTLS (Minimum version 3.3.0) [PKI, PSK, RPK(3.6.6+) and PKCS11] 44 45* Mbed TLS (Minimum version 2.7.10) [PKI and PSK] [Currently only DTLS] 46 47* TinyDTLS [PSK and RPK] [DTLS Only] 48 49Documentation 50============= 51 52This set of pages contains the current set of documention for the libcoap APIs. 53 54License Information 55=================== 56 57This library is published as open-source software without any warranty 58of any kind. Use is permitted under the terms of the simplified BSD 59license. It includes public domain software. libcoap binaries may also 60include open-source software with their respective licensing terms. 61Please refer to LICENSE for further details in the source. 62