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Date: Thu, 21 Dec 2006 07:40:11 -0500
From: "burning shadow" <burning DOT shadow AT gmail DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: ssh asks for key passphrase every time
In-Reply-To: <c2888f8c0612201945g71475458o5f17cb5e7a6f072d@mail.gmail.com>
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Thank you very much. You were right. :)

On 12/20/06, Robert McKay <robert AT mckay DOT com> wrote:
> On 12/20/06, burning shadow <burning DOT shadow AT gmail DOT com> wrote:
> > I have created identification key with passphrase (id_dsa). Now every
> > time I try to open ssh connection to any host, ssh asks for passphrase
> > for this key. I believed, ssh should ask for a passphrase only if host
> > wants to accept key. FreeBSD's ssh, for example, does it this way.
>
> This is because when the private key is encrypted (with the
> passphrase) ssh can't read it to tell whether the ssh server asked for
> it or not :-)
>
> To get around this issue ssh looks for the public key and uses that to
> determine whether or not it should bother decrypting the private key.
> It does this by checking all the .pub files in your .ssh directory and
> if it finds a match then it decrypts the corresponding private key.
> This only works if you've got the public key and it's named with the
> same prefix as the private key otherwise it will always ask for the
> passphrase to decrypt the private key.
>
> I'm guessing that this may be your issue.
>
> Cheers,
>
> Robert
>
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