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Message-ID: <1592440063.3515.42.camel@HansenPartnership.com>
Subject: Re: [PATCH v10 7/8] security: keys: trusted: add ability to specify
 arbitrary policy
From:   James Bottomley <James.Bottomley@HansenPartnership.com>
To:     Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc:     linux-integrity@vger.kernel.org, Mimi Zohar <zohar@linux.ibm.com>,
        David Woodhouse <dwmw2@infradead.org>,
        keyrings@vger.kernel.org, David Howells <dhowells@redhat.com>
Date:   Wed, 17 Jun 2020 17:27:43 -0700
In-Reply-To: <20200617234250.GJ62794@linux.intel.com>
References: <20200616160229.8018-1-James.Bottomley@HansenPartnership.com>
         <20200616160229.8018-8-James.Bottomley@HansenPartnership.com>
         <20200617234250.GJ62794@linux.intel.com>
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On Thu, 2020-06-18 at 02:42 +0300, Jarkko Sakkinen wrote:
> On Tue, Jun 16, 2020 at 09:02:28AM -0700, James Bottomley wrote:
> > This patch adds a policy= argument to key creation.  The policy is
> > the standard tss policymaker format and each separate policy line
> > must have a newline after it.
> 
> Never heard of policymaker before and did not find TCG spec for it.

It's not part of the spec.  Both the IBM and Intel TSSs define a
policymaker tool to help you build policy hashes.  The format is simply
a set of numbers that if hashed a line at a time produce the policy
hash.

James