PasswordAuthentication in sshd_config

I can't get ssh working with no password.  Even though I believe I setup my public and private keys correctly, ssh still prompts for password.

Does PasswordAuthentication in sshd_config really matter?  I noticed in my sshd_config, this parameter is not set at all which means it defaults to yes.  Could this be the cause of my ssh problem?
lcorAsked:
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AnuroopsunddCommented:
PasswordAuthentication yes
The option PasswordAuthentication specifies whether we should use password-based authentication. For strong security, this option must always be set to yes.

PermitEmptyPasswords no
The option PermitEmptyPasswords specifies whether the server allows logging in to accounts with a null password. If you intend to use the scp utility to make automatic backups over the network, you must set this option to yes


http://www.faqs.org/docs/securing/chap15sec122.html
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legolasthehansyCommented:
It might be an error in the way your keys are setup.
See if your .ssh directory has 700 permissions and owned by the right user
See if your authorized_keys file has 600 permissions and owned by the right user
And see if the keys are correct in your authorized_keys file
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