Is RSA authentication on SSH still broken?

[Harig, Mark A.]

> >
> > OK.  So, it appears that Cygwin users
> > of openssh have one of two options:
> >
> > 1. chmod 700 ~
> >    chgrp 18 ~/.ssh
> >    chmod 750 ~/.ssh
> >
> > or
> >
> > 2. chmod 755 ~
> >    chmod 700 ~/.ssh
> >
> > Do you have a recommendation on which of
> > these two options is more secure?
> 
> According to what I remember about Unix permissions, 'chmod 
> 711 ~' should
> suffice.  This will allow anyone to access a subdirectory of 
> your $HOME
> *if they know the exact path*.  Same with ~/.ssh.  You can then make
> authorized_keys world-readable without exposing the rest of your home
> directory.

Are you able to make this work?

1. If I 'chmod 711 ~' and 'chmod 700 ~/.ssh',
then ssh is not able to read my private/public keys
(i.e., it prompts me for a password).

2. If I follow that with 'chmod 750 ~', then ssh 
allows access without prompting for a password.

Both of these assume 'chgrp 18 ~'.

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