On 1/8/2014 8:12 PM, Rob Stradling wrote:
> Based on the NIST guidance, we've been using SHA-384 when using
> RSA-4096 and secp384r1 CA private keys to sign certificates.  I've not
> yet become aware of any interop issues with stuff that claims to talk
> SHA-2.
Do you mean using SHA-384 to sign sub-root certificate and then that
sub-root certificate sign SHA-384 end-entity certificates?

BTW, I have a second thought that the sub-root certificate can be signed
with SHA-384 while the end-entity certificates can be signed with
SHA-256, or vice versa. It should be possible, shouldn't it?

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