Re: [PATCH v9 06/19] x86: Add early SHA-1 support for Secure Launch early measurements

2024-08-16 Thread Matthew Garrett
On Fri, Aug 16, 2024 at 02:22:04PM +0300, Jarkko Sakkinen wrote: > For (any) non-legacy features we can choose, which choices we choose to > support, and which we do not. This is not an oppositive view just saying > how it is, and platforms set of choices is not a selling argument. NIST still per

Re: [PATCH v9 06/19] x86: Add early SHA-1 support for Secure Launch early measurements

2024-08-16 Thread Jarkko Sakkinen
On Fri Aug 16, 2024 at 2:01 PM EEST, Andrew Cooper wrote: > On 15/08/2024 8:10 pm, Thomas Gleixner wrote: > > On Thu, Aug 15 2024 at 13:38, Daniel P. Smith wrote: > >> On 5/31/24 09:54, Eric W. Biederman wrote: > >>> Eric Biggers writes: > That paragraph is also phrased as a hypothetical, "Ev

Re: [PATCH v9 06/19] x86: Add early SHA-1 support for Secure Launch early measurements

2024-08-16 Thread Andrew Cooper
On 15/08/2024 8:10 pm, Thomas Gleixner wrote: > On Thu, Aug 15 2024 at 13:38, Daniel P. Smith wrote: >> On 5/31/24 09:54, Eric W. Biederman wrote: >>> Eric Biggers writes: That paragraph is also phrased as a hypothetical, "Even if we'd prefer to use SHA-256-only". That implies tha

Re: [PATCH v9 06/19] x86: Add early SHA-1 support for Secure Launch early measurements

2024-08-16 Thread Jarkko Sakkinen
On Thu Aug 15, 2024 at 10:10 PM EEST, Thomas Gleixner wrote: > On Thu, Aug 15 2024 at 13:38, Daniel P. Smith wrote: > > On 5/31/24 09:54, Eric W. Biederman wrote: > >> Eric Biggers writes: > >>> That paragraph is also phrased as a hypothetical, "Even if we'd prefer to > >>> use > >>> SHA-256-only