53 lines
1.7 KiB
Markdown
Executable file
53 lines
1.7 KiB
Markdown
Executable file
# @tufjs/canonical-json
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JSON canonicalization compliant with the [OLPC Canonical JSON specification][1].
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## Why
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If you're looking for [RFC 8785][2] compliant JSON canonicalization there are
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[any][3] [number][4] [of][5] [libraries][6] [to][7] [choose][8] [from][9].
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You should only select this library if you know that you specifically need
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support for the [OLPC][1]-style of canonicalization.
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One reason you might chose OLPC compliance is for interoperability with
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[The Update Framework][10] which specifically calls out OLPC as the
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canonicalization standard for computing signatures over TUF metadata.
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The canonicalized strings generated by this library are compatible with those
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generated by the Python-based [securesystemslib][11] library and the Go-based
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[go-securesystemslib][12] library.
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## Installation
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```console
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npm install @tufjs/canonical-json
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```
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## Usage
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```javascript
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const json = require('@tufjs/canonical-json')
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const obj = {
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bool: true,
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num: 42,
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ary: [1, 2, 3],
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str: "foo\\bar"
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}
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console.log(json.canonicalize(obj))
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// output: {"ary":[1,2,3],"bool":true,"num":42,"str":"foo\\bar"}
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```
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[1]: https://wiki.laptop.org/go/Canonical_JSON
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[2]: https://www.rfc-editor.org/rfc/rfc8785
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[3]: https://www.npmjs.com/package/@stratumn/canonicaljson
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[4]: https://www.npmjs.com/package/@truestamp/canonify
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[5]: https://www.npmjs.com/package/canonical-json
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[6]: https://www.npmjs.com/package/canonicalize
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[7]: https://www.npmjs.com/package/canonicalize-json
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[8]: https://www.npmjs.com/package/json-canonicalize
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[9]: https://www.npmjs.com/package/another-json
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[10]: https://theupdateframework.github.io/specification/latest/#metaformat
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[11]: https://github.com/secure-systems-lab/securesystemslib
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[12]: https://github.com/secure-systems-lab/go-securesystemslib
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