CBOR All In One

CBOR All In One

CBOR / Concise Binary Object Representation / 简洁的二进制对象表示法

CBOR decoder

RFC 8949 Concise Binary Object Representation
“The Concise Binary Object Representation (CBOR) is a data format whose design goals include the possibility of extremely small code size, fairly small message size, and extensibility without the need for version negotiation.”

RFC 8949 简洁二进制对象表示 “简洁二进制对象表示（CBOR）是一种数据格式，其设计目标包括可能极小的代码大小、相当小的消息大小以及无需版本协商即可扩展性。”

https://cbor.io/

Implementations

CBOR is simple enough to implement from scratch for a specific application.
For applications where that is not desirable, generic implementations are available for a variety of platforms. Many of these implementations stay private, but some are published with liberal open-source licenses such as the Apache 2.0 or the MIT license.
Many implementations use a simple API of the form:

encoded = CBOR.encode(data) ➔ data = CBOR.decode(encoded)

https://cbor.io/impls.html

CBOR playground

https://cbor.me/

CBOR 與 JSON 在線轉換工具

https://cbor.williamchong.cloud/zh

https://github.com/williamchong/cbor-json-web

demos

// note: a CBOR decoder library is needed here.
const decodedAttestationObject = CBOR.decode(credential.response.attestationObject);

// ❌ Uncaught ReferenceError: CBOR is not defined
console.log(decodedAttestationObject);

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Node.js CBOR (npm packages)

AMD ⚠️

https://www.npmjs.com/package/cbor

https://github.com/hildjj/node-cbor

https://www.npmjs.com/package/tinycbor

ESM ✅

https://github.com/hildjj/cbor2

https://www.npmjs.com/package/cbor2

refs

https://webauthn.guide/

https://www.cnblogs.com/xgqfrms/p/19345585#5393791

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