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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#ifndef CTPolicyEnforcer_h
#define CTPolicyEnforcer_h
#include "CTLog.h"
#include "CTVerifyResult.h"
#include "mozpkix/Result.h"
namespace mozilla {
namespace ct {
// Information about the compliance of the TLS connection with the
// Certificate Transparency policy.
enum class CTPolicyCompliance {
// Compliance not checked or not applicable.
Unknown,
// The connection complied with the certificate policy
// by including SCTs that satisfy the policy.
Compliant,
// The connection did not have enough valid SCTs to comply.
NotEnoughScts,
// The connection had enough valid SCTs, but the diversity requirement
// was not met (the number of CT log operators independent of the CA
// and of each other is too low).
NotDiverseScts,
};
// Checks whether a TLS connection complies with the current CT policy.
// The implemented policy is based on the Mozilla CT Policy draft 0.1.0
// 1rnqYYwscAx8WhS-MCdTiNzYQus9e37HuVyafQvEeNro/edit).
//
// NOTE: CT DIVERSITY REQUIREMENT IS TBD, PENDING FINALIZATION
// OF MOZILLA CT POLICY. Specifically:
// 1. CT log operators being CA-dependent is not currently taken into account
// (see CTDiversityPolicy.h).
// 2. The preexisting certificate exception provision of the operator diversity
// requirement is not implemented (see "CT Qualified" section of the policy and
// CheckOperatorDiversityCompliance in CTPolicyEnforcer.cpp).
class CTPolicyEnforcer {
public:
// |verifiedSct| - SCTs present on the connection along with their
// verification status.
// |certLifetimeInCalendarMonths| - certificate lifetime in full calendar
// months (i.e. rounded down), based on the notBefore/notAfter fields.
// |dependentOperators| - which CT log operators are dependent on the CA
// that issued the certificate. SCTs issued by logs associated with such
// operators are treated differenly when evaluating the policy.
// See CTDiversityPolicy class.
// |compliance| - the result of the compliance check.
void CheckCompliance(const VerifiedSCTList& verifiedScts,
size_t certLifetimeInCalendarMonths,
const CTLogOperatorList& dependentOperators,
CTPolicyCompliance& compliance);
};
} // namespace ct
} // namespace mozilla
#endif // CTPolicyEnforcer_h