[Bug 2560] New: sshd: Description of hashed known_hosts file does not make sense and format is outdated

[bugzilla-daemon at bugzilla.mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=2560

            Bug ID: 2560
           Summary: sshd: Description of hashed known_hosts file does not
                    make sense and format is outdated
           Product: Portable OpenSSH
           Version: -current
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: Documentation
          Assignee: unassigned-bugs at mindrot.org
          Reporter: jjelen at redhat.com

Manual page for  sshd  states:

    Alternately, hostnames may be stored in a hashed form which hides
    host names and addresses should the file's contents be disclosed.

The ending part "should the file's contents be disclosed" does not fit
into the sentence and I am not sure what is meant by that.

It is there for a long time, since
e1776155d19db4f3ab2ff42323d6499f0712cfa4


Also the format, described as:

    Each line in these files contains the following fields: markers
(optional),
    hostnames, bits, exponent, modulus, comment.

is outdated (describes RSA1 keys). In current situation the part "bits,
exponent, modulus" is substituted by "keytype, base64-encoded key" as
described for example in  authorized_keys  section.


I hit this problem while referencing to the format of this file.

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