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@2fapi/protocol-spec

v1.1.0

Published

Continuum Ghost Protocol Specification — Zero-Knowledge Proof Authentication for APIs

Downloads

323

Vulnerabilities

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Links

Git

Maintainers

plu9inplu9in

Keywords

zkproofauthenticationapi-securitypedersensigma-protocolristretto255zero-knowledge

Readme

@2fapi/protocol-spec

Canonical protocol specification for Continuum Ghost Zero-Knowledge Proof Authentication.

Part of the Continuum Ghost authentication platform — The Secret That Doesn't Exist.

This package contains no implementation — only constants, types, and interfaces that define the @2fapi protocol. It is the shared contract between clients and servers.

Installation

npm install @2fapi/protocol-spec

What's Included

  • Protocol constants: version, domain separation tags, byte lengths
  • TypeScript interfaces: TranscriptFields, ProofData, ChallengeData, CommitmentData
  • Error codes: canonical error codes for all protocol operations
  • Specification documents: canonical Fiat-Shamir transcript format, test vectors

Protocol Overview

Continuum Ghost uses a Schnorr/Sigma proof system over Ristretto255 with Pedersen commitments:

  • Commitment: C = s·G + r·H (client stores secret, server stores commitment)
  • Proof: Sigma protocol with Fiat-Shamir transform for non-interactivity
  • Security: 128-bit under DLOG assumption in Random Oracle Model
  • Transcript: Length-prefixed canonical serialization with domain separation

Specification

See spec/protocol.md for the full protocol specification.

License

Apache-2.0 — Free for any use.