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Re: [PATCH v2 6/9] staging: ccree: add FIPS support

From Stephan Müller <smueller@chronox.de>
Newsgroups linux.kernel
Subject Re: [PATCH v2 6/9] staging: ccree: add FIPS support
Date 2017-04-23 21:00 +0200
Message-ID <tzuTM-3JU-9@gated-at.bofh.it> (permalink)
References <tyka5-XM-3@gated-at.bofh.it> <tykD7-18r-15@gated-at.bofh.it> <tzmjw-6Nq-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Am Sonntag, 23. April 2017, 11:48:58 CEST schrieb Gilad Ben-Yossef:

Hi Gilad,

> I do wonder if there is value in alternate behavior of stopping crypto
> API on FIPS error rather than a panic though. I will try to get an
> explanation why we do it this way.

In FIPS, all crypto function must cease if a self test fails. This can be done 
by instrumenting the crypto API calls with a check to a global flag or by 
simply terminating the entire "FIPS module".

The panic() is the simplest approach to meet that requirement.

Ciao
Stephan

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Thread

[PATCH v2 0/9] staging: ccree: add Arm TrustZone CryptoCell REE driver Gilad Ben-Yossef <gilad@benyossef.com> - 2017-04-20 15:20 +0200
  Re: [PATCH v2 1/9] staging: ccree: introduce CryptoCell HW driver Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-04-20 15:40 +0200
    Re: [PATCH v2 1/9] staging: ccree: introduce CryptoCell HW driver Gilad Ben-Yossef <gilad@benyossef.com> - 2017-04-20 15:50 +0200
      Re: [PATCH v2 1/9] staging: ccree: introduce CryptoCell HW driver Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-04-20 16:10 +0200
        Re: [PATCH v2 1/9] staging: ccree: introduce CryptoCell HW driver Gilad Ben-Yossef <gilad@benyossef.com> - 2017-04-23 11:40 +0200
  Re: [PATCH v2 0/9] staging: ccree: add Arm TrustZone CryptoCell REE  driver Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-04-20 15:40 +0200
    Re: [PATCH v2 0/9] staging: ccree: add Arm TrustZone CryptoCell REE driver Gilad Ben-Yossef <gilad@benyossef.com> - 2017-04-20 15:40 +0200
  Re: [PATCH v2 6/9] staging: ccree: add FIPS support Stephan Müller <smueller@chronox.de> - 2017-04-20 15:50 +0200
    Re: [PATCH v2 6/9] staging: ccree: add FIPS support Gilad Ben-Yossef <gilad@benyossef.com> - 2017-04-23 11:50 +0200
      Re: [PATCH v2 6/9] staging: ccree: add FIPS support Stephan Müller <smueller@chronox.de> - 2017-04-23 21:00 +0200
      Re: [PATCH v2 6/9] staging: ccree: add FIPS support Gilad Ben-Yossef <gilad@benyossef.com> - 2017-04-24 08:10 +0200
        Re: [PATCH v2 6/9] staging: ccree: add FIPS support Stephan Müller <smueller@chronox.de> - 2017-04-24 08:20 +0200
          Re: [PATCH v2 6/9] staging: ccree: add FIPS support Stephan Müller <smueller@chronox.de> - 2017-04-24 08:30 +0200
            Re: [PATCH v2 6/9] staging: ccree: add FIPS support Gilad Ben-Yossef <gilad@benyossef.com> - 2017-04-24 09:10 +0200
              Re: [PATCH v2 6/9] staging: ccree: add FIPS support Stephan Müller <smueller@chronox.de> - 2017-04-24 09:30 +0200
          Re: [PATCH v2 6/9] staging: ccree: add FIPS support Gilad Ben-Yossef <gilad@benyossef.com> - 2017-04-24 09:10 +0200
            Re: [PATCH v2 6/9] staging: ccree: add FIPS support Stephan Müller <smueller@chronox.de> - 2017-04-24 09:30 +0200

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