I-D Action: draft-kondoju-evc-00.txt

Internet-Draft draft-kondoju-evc-00.txt is now available.

   Title:   An External Verifier Contract for Agent Authorization Decisions
   Author:  Viswanadha Pratap Kondoju
   Name:    draft-kondoju-evc-00.txt
   Pages:   41
   Dates:   2026-07-21

Abstract:

   This document specifies the External Verifier Contract (EVC): a
   small, testable, proof-system-agnostic boundary between a host (the
   program about to take a privileged action on an agent's behalf) and
   an external verifier (a subprocess that renders an allow/deny verdict
   on an opaque proof bundle).  The contract governs only the transport
   and verdict envelope: how the host hands a single JSON request to a
   verifier subprocess over stdin, how the verifier answers with exactly
   one JSON verdict on stdout, and how the host interprets exit codes,
   timeouts, and malformed output under a fail-closed rule.  Three
   properties make the boundary standardizable: (1) a single-shot
   subprocess transport with a closed JSON verdict schema; (2) fail-
   closed host semantics that are independently testable by a host-
   conformance suite; and (3) proof-system agnosticism, so the same
   envelope carries classical-signature, zero-knowledge, and third-party
   verdicts, distinguished only by an OPTIONAL self-description field.
   EVC is deliberately not a governance framework, not a delegation
   model, and not a policy language.  It is the narrow decision boundary
   those larger systems all require at the point of enforcement.

The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-kondoju-evc/

There is also an HTMLized version available at:
https://datatracker.ietf.org/doc/html/draft-kondoju-evc-00

Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts


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