Matthew Hardeman via dev-security-policy 
<[email protected]> writes:

>One question: the choice of 20 bytes of serial number is an unusual length
>for an integer type.  It's not a nice clean power of 2.  It doesn't align to
>any native integer data type length on any platform I'm aware of.

It exactly matches the SHA-1 hash size.  SHA-1 was the universal go-to hash
function when 2459 and its successors were created, and is implicitly
hardcoded into various parts of the spec.  See for example the suggestions for
generating the keyIdentifier.

Peter.
_______________________________________________
dev-security-policy mailing list
[email protected]
https://lists.mozilla.org/listinfo/dev-security-policy
              • ... Jakob Bohm via dev-security-policy
              • ... Matt Palmer via dev-security-policy
              • ... Jakob Bohm via dev-security-policy
              • ... Matthew Hardeman via dev-security-policy
              • ... Peter Gutmann via dev-security-policy
              • ... Ryan Sleevi via dev-security-policy
              • ... Ryan Sleevi via dev-security-policy
      • Re: Certificates ... Jakob Bohm via dev-security-policy
      • Re: Certificates ... Ryan Sleevi via dev-security-policy
      • Re: Certificates ... Matthew Hardeman via dev-security-policy
        • Re: Certifica... Peter Gutmann via dev-security-policy
  • Re: Certificates with inva... okaphone.elektronika--- via dev-security-policy

Reply via email to