CBOR

Concise Binary Object Representation (CBOR) is a binary data <a href="/facts/Serialization/T00auFvv">serialization</a> format loosely based on <a href="/facts/JSON/bs1rUAhd">JSON</a> authored by Carsten Bormann and Paul Hoffman. Like JSON it allows the transmission of data objects that contain <a href="/facts/Attribute%25E2%2580%2593value_pair/buweLY96">name–value pairs</a>, but in a more concise manner. This increases processing and transfer speeds at the cost of <a href="/facts/Human-readable_medium/GDE1fpHT">human readability</a>. It is defined in IETF <a href="/facts/RFC_(identifier)/esftTvE7">RFC</a> <a href="https://www.rfc-editor.org/rfc/rfc8949">8949</a>.
Amongst other uses, it is the recommended data serialization layer for the <a href="/facts/CoAP/VJc02eDg">CoAP</a> Internet of Things protocol suite and the data format on which COSE messages are based. It is also used in the <a href="/facts/Client_to_Authenticator_Protocol/q3vTpPCY">Client-to-Authenticator Protocol</a> (CTAP) within the scope of the FIDO2 project.
CBOR was inspired by <a href="/facts/MessagePack/DtusIl5c">MessagePack</a>, which was developed and promoted by Sadayuki Furuhashi. CBOR extended MessagePack, particularly by allowing to distinguish text strings from byte strings, which was implemented in 2013 in MessagePack.

CBOR open-in-new

CBOR