Displaying 2 results from an estimated 2 matches for "cose_".
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coses
2019 Nov 02
2
U2F support in OpenSSH HEAD
...56. There was originally quite a
limited subset of support in U2F, originally ES256 or RS256. There's
since been more added (Ed25519 appears to be one of them at a cursory
glance). If you take a look at param.h in the libfido2 repository
you'll see the list of supported algorithm constants (COSE_*). From
personal experience though I've had a few different brands of
pure-u2f-only tokens and never seen support for anything other than
P-256 in the wild. Yubicos U2F only keys for example are currently
listed on their site as only having P-256 support. I imagine
multi-purpose keys might have...
2019 Nov 01
10
U2F support in OpenSSH HEAD
Hi,
As of this morning, OpenSSH now has experimental U2F/FIDO support, with
U2F being added as a new key type "sk-ecdsa-sha2-nistp256 at openssh.com"
or "ecdsa-sk" for short (the "sk" stands for "security key").
If you're not familiar with U2F, this is an open standard for making
inexpensive hardware security tokens. These are easily the cheapest way