https://bugzilla.mindrot.org/show_bug.cgi?id=2821
Bug ID: 2821
Summary: ssh-keyscan cannot generate SSHFP fingerprints
Product: Portable OpenSSH
Version: 7.6p1
Hardware: All
OS: Linux
Status: NEW
Severity: enhancement
Priority: P5
Component: ssh-keyscan
Assignee: [email protected]
Reporter: [email protected]
It seems kind of odd that ssh-keyscan does not offer an equivalent to
ssh-keygen's -r to easily generate SSHFP fingerprints for more than one
host, without logging into each host.
All the information needed is already fetched (i.e. the public keys) or
known (i.e. the hostname), but as is, you'd have to generate the
known_hosts output and then parse it again and hash it yourself or
create temporary files for each line, as you can't pipe into
ssh-keygen.
I realize that this mass-generation pretty much only occurs when you
initially commit to deploying SSHFP, but all the code is already there…
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