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@xapps-platform/signing-client

v0.1.3

Published

Browser-side signing SDK for Xapps platform

Vulnerabilities

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  • 0Medium
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Links

Git

Maintainers

0x7300x730

Keywords

Readme

@xapps-platform/signing-client

Browser signing helper for subject-action payloads.

Install

npm install @xapps-platform/signing-client

Exports

  • Canonicalization/hash helpers: jcs, sha256Hex, hashPayload
  • Encoding helpers: bytesToBase64url, base64urlToBytes
  • Signing helpers:
    • generateEd25519KeyPair, exportPublicKey, signActionEd25519
    • signActionWebAuthn, formatWebAuthnRegistration

Minimal usage

import { generateEd25519KeyPair, signActionEd25519 } from "@xapps-platform/signing-client";

const keyPair = await generateEd25519KeyPair();
const proof = await signActionEd25519(subjectAction, keyPair.privateKey, "kid_1");

Notes

  • Runtime: browser/Web Crypto API; also usable in Node.js environments with crypto.subtle.
  • Optional helper for signing UX that can be used from widget flows (@xapps-platform/widget-sdk) or host UI flows when needed.
  • Not a bridge/orchestration package (xapps-embed-sdk) and not a backend verification package (@xapps-platform/server-sdk).
  • Designed for signing flows, not full widget bridge/session orchestration.
  • See package/runtime ownership: docs/guides/12-package-usage-and-ownership.md.