upstream: Document new default RSA key size. From
sebastiaanlokhorst at gmail.com via bz#2997. OpenBSD-Commit-ID: bdd62ff5d4d649d2147904e91bf7cefa82fe11e1
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.\" $OpenBSD: ssh-keygen.1,v 1.157 2019/03/05 16:17:12 naddy Exp $
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.\" $OpenBSD: ssh-keygen.1,v 1.158 2019/04/19 05:47:44 dtucker Exp $
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.\"
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.\"
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.\" Author: Tatu Ylonen <ylo@cs.hut.fi>
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.\" Author: Tatu Ylonen <ylo@cs.hut.fi>
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.\" Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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.\" Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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@ -35,7 +35,7 @@
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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: March 5 2019 $
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.Dd $Mdocdate: April 19 2019 $
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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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@ -260,8 +260,8 @@ This option specifies the number of primality tests to perform.
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Show the bubblebabble digest of specified private or public key file.
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Show the bubblebabble digest of specified private or public key file.
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.It Fl b Ar bits
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.It Fl b Ar bits
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Specifies the number of bits in the key to create.
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Specifies the number of bits in the key to create.
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For RSA keys, the minimum size is 1024 bits and the default is 2048 bits.
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For RSA keys, the minimum size is 1024 bits and the default is 3072 bits.
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Generally, 2048 bits is considered sufficient.
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Generally, 3072 bits is considered sufficient.
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DSA keys must be exactly 1024 bits as specified by FIPS 186-2.
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DSA keys must be exactly 1024 bits as specified by FIPS 186-2.
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For ECDSA keys, the
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For ECDSA keys, the
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.Fl b
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.Fl b
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