- naddy@cvs.openbsd.org 2010/09/10 15:19:29
[ssh-keygen.1] * mention ECDSA in more places * less repetition in FILES section * SSHv1 keys are still encrypted with 3DES help and ok jmc@
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20100924
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- (djm) OpenBSD CVS Sync
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- naddy@cvs.openbsd.org 2010/09/10 15:19:29
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[ssh-keygen.1]
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* mention ECDSA in more places
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* less repetition in FILES section
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* SSHv1 keys are still encrypted with 3DES
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help and ok jmc@
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20100910
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20100910
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- (dtucker) [openbsd-compat/port-linux.c] Check is_selinux_enabled for exact
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- (dtucker) [openbsd-compat/port-linux.c] Check is_selinux_enabled for exact
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return code since it can apparently return -1 under some conditions. From
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return code since it can apparently return -1 under some conditions. From
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43
ssh-keygen.1
43
ssh-keygen.1
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.\" $OpenBSD: ssh-keygen.1,v 1.99 2010/08/31 11:54:45 djm Exp $
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.\" $OpenBSD: ssh-keygen.1,v 1.100 2010/09/10 15:19:29 naddy Exp $
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.\"
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.\"
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.\" -*- nroff -*-
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.\" -*- nroff -*-
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.\"
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.\"
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\"
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.Dd $Mdocdate: August 31 2010 $
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.Dd $Mdocdate: September 10 2010 $
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.Dt SSH-KEYGEN 1
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.Dt SSH-KEYGEN 1
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.Os
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.Os
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.Sh NAME
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.Sh NAME
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generates, manages and converts authentication keys for
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generates, manages and converts authentication keys for
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.Xr ssh 1 .
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.Xr ssh 1 .
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.Nm
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.Nm
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can create RSA keys for use by SSH protocol version 1 and RSA, DSA or ECDSA
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can create RSA keys for use by SSH protocol version 1 and DSA, ECDSA or RSA
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keys for use by SSH protocol version 2.
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keys for use by SSH protocol version 2.
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The type of key to be generated is specified with the
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The type of key to be generated is specified with the
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.Fl t
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.Fl t
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@ -427,9 +427,10 @@ Specifies the type of key to create.
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The possible values are
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The possible values are
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.Dq rsa1
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.Dq rsa1
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for protocol version 1 and
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for protocol version 1 and
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.Dq rsa
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.Dq dsa ,
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.Dq ecdsa
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or
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or
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.Dq dsa
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.Dq rsa
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for protocol version 2.
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for protocol version 2.
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.It Fl V Ar validity_interval
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.It Fl V Ar validity_interval
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Specify a validity interval when signing a certificate.
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Specify a validity interval when signing a certificate.
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@ -606,18 +607,19 @@ or
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.Xr ssh 1 .
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.Xr ssh 1 .
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Please refer to those manual pages for details.
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Please refer to those manual pages for details.
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.Sh FILES
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.Sh FILES
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.Bl -tag -width Ds
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.Bl -tag -width Ds -compact
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.It Pa ~/.ssh/identity
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.It Pa ~/.ssh/identity
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Contains the protocol version 1 RSA authentication identity of the user.
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Contains the protocol version 1 RSA authentication identity of the user.
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This file should not be readable by anyone but the user.
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This file should not be readable by anyone but the user.
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It is possible to
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It is possible to
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specify a passphrase when generating the key; that passphrase will be
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specify a passphrase when generating the key; that passphrase will be
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used to encrypt the private part of this file using 128-bit AES.
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used to encrypt the private part of this file using 3DES.
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This file is not automatically accessed by
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This file is not automatically accessed by
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.Nm
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.Nm
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but it is offered as the default file for the private key.
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but it is offered as the default file for the private key.
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.Xr ssh 1
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.Xr ssh 1
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will read this file when a login attempt is made.
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will read this file when a login attempt is made.
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.Pp
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.It Pa ~/.ssh/identity.pub
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.It Pa ~/.ssh/identity.pub
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Contains the protocol version 1 RSA public key for authentication.
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Contains the protocol version 1 RSA public key for authentication.
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The contents of this file should be added to
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The contents of this file should be added to
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@ -625,26 +627,11 @@ The contents of this file should be added to
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on all machines
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on all machines
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where the user wishes to log in using RSA authentication.
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where the user wishes to log in using RSA authentication.
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There is no need to keep the contents of this file secret.
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There is no need to keep the contents of this file secret.
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.Pp
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.It Pa ~/.ssh/id_dsa
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.It Pa ~/.ssh/id_dsa
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Contains the protocol version 2 DSA authentication identity of the user.
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.It Pa ~/.ssh/id_ecdsa
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This file should not be readable by anyone but the user.
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It is possible to
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specify a passphrase when generating the key; that passphrase will be
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used to encrypt the private part of this file using 128-bit AES.
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This file is not automatically accessed by
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.Nm
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but it is offered as the default file for the private key.
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.Xr ssh 1
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will read this file when a login attempt is made.
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.It Pa ~/.ssh/id_dsa.pub
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Contains the protocol version 2 DSA public key for authentication.
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The contents of this file should be added to
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.Pa ~/.ssh/authorized_keys
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on all machines
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where the user wishes to log in using public key authentication.
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There is no need to keep the contents of this file secret.
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.It Pa ~/.ssh/id_rsa
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.It Pa ~/.ssh/id_rsa
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Contains the protocol version 2 RSA authentication identity of the user.
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Contains the protocol version 2 DSA, ECDSA or RSA authentication identity of the user.
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This file should not be readable by anyone but the user.
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This file should not be readable by anyone but the user.
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It is possible to
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It is possible to
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specify a passphrase when generating the key; that passphrase will be
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specify a passphrase when generating the key; that passphrase will be
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@ -654,13 +641,17 @@ This file is not automatically accessed by
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but it is offered as the default file for the private key.
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but it is offered as the default file for the private key.
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.Xr ssh 1
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.Xr ssh 1
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will read this file when a login attempt is made.
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will read this file when a login attempt is made.
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.Pp
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.It Pa ~/.ssh/id_dsa.pub
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.It Pa ~/.ssh/id_ecdsa.pub
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.It Pa ~/.ssh/id_rsa.pub
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.It Pa ~/.ssh/id_rsa.pub
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Contains the protocol version 2 RSA public key for authentication.
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Contains the protocol version 2 DSA, ECDSA or RSA public key for authentication.
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The contents of this file should be added to
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The contents of this file should be added to
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.Pa ~/.ssh/authorized_keys
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.Pa ~/.ssh/authorized_keys
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on all machines
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on all machines
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where the user wishes to log in using public key authentication.
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where the user wishes to log in using public key authentication.
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There is no need to keep the contents of this file secret.
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There is no need to keep the contents of this file secret.
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.Pp
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.It Pa /etc/moduli
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.It Pa /etc/moduli
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Contains Diffie-Hellman groups used for DH-GEX.
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Contains Diffie-Hellman groups used for DH-GEX.
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The file format is described in
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The file format is described in
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