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x9-jws - X9.150 JWS Security Implementation Guide

Implements JWS signing and verification for X9.150 payment security with certificate discovery and non-repudiation

Tags

Updated: 2026-05-09
payment securityJWSdigital signatureX9.150cryptographyimplementation guide

Capabilities

sign JWS tokenverify JWS tokenconstruct protected headerdiscover certificate

Typical Inputs

private keypublic keyJWS token

Typical Outputs

signed JWS tokenverified payloadcertificate

What this skill does

  • sign JWS token
  • verify JWS token
  • construct protected header
  • discover certificate
  • validate freshness
  • enforce crit headers
  • compute thumbprint
  • cache certificate
  • validate correlation ID

Inputs

  • private key
  • public key
  • JWS token
  • JWKS endpoint
  • PEM certificate
  • certificate chain
  • header parameters

Outputs

  • signed JWS token
  • verified payload
  • certificate
  • thumbprint
  • validation result
  • error message

Requirements

  • X9.150 standard
  • JWS specification
  • JWS library
  • certificate chain discovery
  • non-repudiation support

Source

  • Spec: SKILL.md

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