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	<title>ssh-keygen(1) - Versionshistorik</title>
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	<updated>2026-04-30T13:02:16Z</updated>
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		<id>https://wiki.linux.se/index.php?title=ssh-keygen(1)&amp;diff=8160&amp;oldid=prev</id>
		<title>Admin: Skapade sidan med &#039;= ssh-keygen(1) =  == NAMN == ssh-keygen — OpenSSH-verktyg för autentiseringsnycklar  == SYNOPSIS == &lt;pre&gt; ssh-keygen [-q] [-a rounds] [-b bits] [-C kommentar] [-f utfil]            [-m format] [-N ny_lösenfras] [-O option] [-t ecdsa|ecdsa-sk|ed25519|ed25519-sk|rsa]            [-w provider] [-Z chiffer]  ssh-keygen -p [-a rounds] [-f nyckelfil] [-m format] [-N ny] [-P gammal] [-Z chiffer] ssh-keygen -i  [-f inkey] [-m key_format] ssh-keygen -e  [-f inkey] [-m key_for...&#039;</title>
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		<updated>2025-09-26T06:59:21Z</updated>

		<summary type="html">&lt;p&gt;Skapade sidan med &amp;#039;= ssh-keygen(1) =  == NAMN == ssh-keygen — OpenSSH-verktyg för autentiseringsnycklar  == SYNOPSIS == &amp;lt;pre&amp;gt; ssh-keygen [-q] [-a rounds] [-b bits] [-C kommentar] [-f utfil]            [-m format] [-N ny_lösenfras] [-O option] [-t ecdsa|ecdsa-sk|ed25519|ed25519-sk|rsa]            [-w provider] [-Z chiffer]  ssh-keygen -p [-a rounds] [-f nyckelfil] [-m format] [-N ny] [-P gammal] [-Z chiffer] ssh-keygen -i  [-f inkey] [-m key_format] ssh-keygen -e  [-f inkey] [-m key_for...&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Ny sida&lt;/b&gt;&lt;/p&gt;&lt;div&gt;= ssh-keygen(1) =&lt;br /&gt;
&lt;br /&gt;
== NAMN ==&lt;br /&gt;
ssh-keygen — OpenSSH-verktyg för autentiseringsnycklar&lt;br /&gt;
&lt;br /&gt;
== SYNOPSIS ==&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
ssh-keygen [-q] [-a rounds] [-b bits] [-C kommentar] [-f utfil]&lt;br /&gt;
           [-m format] [-N ny_lösenfras] [-O option] [-t ecdsa|ecdsa-sk|ed25519|ed25519-sk|rsa]&lt;br /&gt;
           [-w provider] [-Z chiffer]&lt;br /&gt;
&lt;br /&gt;
ssh-keygen -p [-a rounds] [-f nyckelfil] [-m format] [-N ny] [-P gammal] [-Z chiffer]&lt;br /&gt;
ssh-keygen -i  [-f inkey] [-m key_format]&lt;br /&gt;
ssh-keygen -e  [-f inkey] [-m key_format]&lt;br /&gt;
ssh-keygen -y  [-f inkey]&lt;br /&gt;
ssh-keygen -c  [-a rounds] [-C kommentar] [-f nyckelfil] [-P lösenfras]&lt;br /&gt;
ssh-keygen -l  [-v] [-E md5|sha256] [-f inkey]&lt;br /&gt;
ssh-keygen -B  [-f inkey]&lt;br /&gt;
ssh-keygen -D pkcs11&lt;br /&gt;
ssh-keygen -F värd[:port] [-lv] [-f known_hosts]&lt;br /&gt;
ssh-keygen -H  [-f known_hosts]&lt;br /&gt;
ssh-keygen -K  [-a rounds] [-w provider]&lt;br /&gt;
ssh-keygen -R värd[:port] [-f known_hosts]&lt;br /&gt;
ssh-keygen -r värd [-g] [-f inkey]&lt;br /&gt;
ssh-keygen -M generate [-O option] outfile&lt;br /&gt;
ssh-keygen -M screen   [-f infile] [-O option] outfile&lt;br /&gt;
ssh-keygen -I identitet -s ca_key [-hU] [-D pkcs11] [-n principals] [-O option]&lt;br /&gt;
           [-V giltighet] [-z serienr] fil ...&lt;br /&gt;
ssh-keygen -L  [-f inkey]&lt;br /&gt;
ssh-keygen -A  [-a rounds] [-f prefix]&lt;br /&gt;
ssh-keygen -k -f krlfil [-u] [-s ca_pub] [-z version] file ...&lt;br /&gt;
ssh-keygen -Q [-l] -f krlfil file ...&lt;br /&gt;
ssh-keygen -Y find-principals   [-O option] -s signatur -f allowed_signers&lt;br /&gt;
ssh-keygen -Y match-principals  -I signer -f allowed_signers&lt;br /&gt;
ssh-keygen -Y check-novalidate  [-O option] -n namespace -s signatur&lt;br /&gt;
ssh-keygen -Y sign              [-O option] -f key -n namespace [fil ...]&lt;br /&gt;
ssh-keygen -Y verify            [-O option] -f allowed_signers -I signer -n namespace&lt;br /&gt;
                                 -s signatur [-r revocations]&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== BESKRIVNING ==&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;ssh-keygen&amp;#039;&amp;#039;&amp;#039; skapar, visar och konverterar SSH-nycklar (protokoll v2). Utan flaggor genereras en Ed25519-nyckel i &amp;lt;code&amp;gt;~/.ssh/&amp;lt;/code&amp;gt;.  &lt;br /&gt;
Verktyget kan även:&lt;br /&gt;
* signera nycklar till certifikat (användare/värd),&lt;br /&gt;
* hantera FIDO/U2F-baserade nycklar (&amp;#039;&amp;#039;&amp;#039;*-sk&amp;#039;&amp;#039;&amp;#039;),&lt;br /&gt;
* generera/screena DH &amp;#039;&amp;#039;moduli&amp;#039;&amp;#039;,&lt;br /&gt;
* skapa och kontrollera Key Revocation Lists (KRL),&lt;br /&gt;
* signera/verifiera godtyckliga data (&amp;#039;&amp;#039;&amp;#039;-Y&amp;#039;&amp;#039;&amp;#039;).&lt;br /&gt;
&lt;br /&gt;
== VANLIGA FLAGGOR ==&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
! Flagga !! Beskrivning&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;-t&amp;#039;&amp;#039;&amp;#039; &amp;#039;&amp;#039;typ&amp;#039;&amp;#039; || Nyckeltyp: &amp;#039;&amp;#039;&amp;#039;ed25519&amp;#039;&amp;#039;&amp;#039; (standard), &amp;#039;&amp;#039;&amp;#039;rsa&amp;#039;&amp;#039;&amp;#039;, &amp;#039;&amp;#039;&amp;#039;ecdsa&amp;#039;&amp;#039;&amp;#039;, eller FIDO-varianter &amp;#039;&amp;#039;&amp;#039;ed25519-sk&amp;#039;&amp;#039;&amp;#039;, &amp;#039;&amp;#039;&amp;#039;ecdsa-sk&amp;#039;&amp;#039;&amp;#039;.&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;-b&amp;#039;&amp;#039;&amp;#039; &amp;#039;&amp;#039;bits&amp;#039;&amp;#039; || Nyckelstorlek (RSA: standard 3072; ignoreras för Ed25519/*-sk).&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;-a&amp;#039;&amp;#039;&amp;#039; &amp;#039;&amp;#039;rounds&amp;#039;&amp;#039; || KDF-rundor (bcrypt_pbkdf) när privatnyckel sparas; högre = segare brute force (standard 16).&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;-f&amp;#039;&amp;#039;&amp;#039; &amp;#039;&amp;#039;fil&amp;#039;&amp;#039; || Utdata/indatafil för nyckel.&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;-N&amp;#039;&amp;#039;&amp;#039; &amp;#039;&amp;#039;ny&amp;#039;&amp;#039; / &amp;#039;&amp;#039;&amp;#039;-P&amp;#039;&amp;#039;&amp;#039; &amp;#039;&amp;#039;gammal&amp;#039;&amp;#039; || Sätt/ändra lösenfras.&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;-C&amp;#039;&amp;#039;&amp;#039; &amp;#039;&amp;#039;kommentar&amp;#039;&amp;#039; || Sätt kommentar (t.ex. &amp;#039;&amp;#039;user@host&amp;#039;&amp;#039;).&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;-q&amp;#039;&amp;#039;&amp;#039; || Tyst läge.&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;-l&amp;#039;&amp;#039;&amp;#039; / &amp;#039;&amp;#039;&amp;#039;-E&amp;#039;&amp;#039;&amp;#039; || Visa fingeravtryck (md5/sha256).&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;-y&amp;#039;&amp;#039;&amp;#039; || Extrahera publik nyckel från privatnyckel.&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;-e&amp;#039;&amp;#039;&amp;#039; / &amp;#039;&amp;#039;&amp;#039;-i&amp;#039;&amp;#039;&amp;#039; / &amp;#039;&amp;#039;&amp;#039;-m&amp;#039;&amp;#039;&amp;#039; || Export/import i andra format (RFC4716/PKCS8/PEM).&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;-s&amp;#039;&amp;#039;&amp;#039; &amp;#039;&amp;#039;ca_key&amp;#039;&amp;#039; / &amp;#039;&amp;#039;&amp;#039;-I&amp;#039;&amp;#039;&amp;#039; &amp;#039;&amp;#039;id&amp;#039;&amp;#039; / &amp;#039;&amp;#039;&amp;#039;-n&amp;#039;&amp;#039;&amp;#039; &amp;#039;&amp;#039;principals&amp;#039;&amp;#039; / &amp;#039;&amp;#039;&amp;#039;-V&amp;#039;&amp;#039;&amp;#039; &amp;#039;&amp;#039;intervall&amp;#039;&amp;#039; || Signera till certifikat (se avsnitt &amp;#039;&amp;#039;&amp;#039;CERTIFIKAT&amp;#039;&amp;#039;&amp;#039;).&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;-K&amp;#039;&amp;#039;&amp;#039; / &amp;#039;&amp;#039;&amp;#039;-w&amp;#039;&amp;#039;&amp;#039; || Läs/skriv FIDO-resident keys, välj middleware.&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;-k&amp;#039;&amp;#039;&amp;#039; / &amp;#039;&amp;#039;&amp;#039;-Q&amp;#039;&amp;#039;&amp;#039; / &amp;#039;&amp;#039;&amp;#039;-u&amp;#039;&amp;#039;&amp;#039; || Skapa/uppdatera/frasåga KRL (Key Revocation List).&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;-M generate|screen&amp;#039;&amp;#039;&amp;#039; || Generera/screena DH-moduli (lägg i &amp;lt;code&amp;gt;/etc/moduli&amp;lt;/code&amp;gt;).&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;-Y sign|verify&amp;#039;&amp;#039;&amp;#039; || Signera/verifiera data med SSH-nycklar och ”allowed signers”.&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
== CERTIFIKAT (översikt) ==&lt;br /&gt;
* &amp;#039;&amp;#039;&amp;#039;Användarcertifikat:&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&amp;lt;pre&amp;gt;$ ssh-keygen -s /path/ca_key -I key_id -n user1,user2 ~/.ssh/id_ed25519.pub&amp;lt;/pre&amp;gt;&lt;br /&gt;
* &amp;#039;&amp;#039;&amp;#039;Värdcertifikat:&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&amp;lt;pre&amp;gt;$ ssh-keygen -s /path/ca_key -I key_id -h -n host.example.com /etc/ssh/ssh_host_ed25519_key.pub&amp;lt;/pre&amp;gt;&lt;br /&gt;
Giltighet sätts med &amp;#039;&amp;#039;&amp;#039;-V&amp;#039;&amp;#039;&amp;#039; (t.ex. &amp;lt;code&amp;gt;-V +52w&amp;lt;/code&amp;gt;). Server/klient måste lita på CA-nyckeln (se [[sshd(8)]]/[[ssh(1)]]).&lt;br /&gt;
&lt;br /&gt;
== FIDO (översikt) ==&lt;br /&gt;
Skapa hårdvarustödd nyckel som kräver beröring/PIN:&lt;br /&gt;
&amp;lt;pre&amp;gt;$ ssh-keygen -t ed25519-sk -O resident -O verify-required -C &amp;quot;me@host&amp;quot;&amp;lt;/pre&amp;gt;&lt;br /&gt;
Resident keys kan laddas ut med &amp;lt;code&amp;gt;ssh-add -K&amp;lt;/code&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
== KRL (översikt) ==&lt;br /&gt;
Skapa KRL som spärrar nycklar/certifikat:&lt;br /&gt;
&amp;lt;pre&amp;gt;$ ssh-keygen -k -f revoked.krl nycklar_eller_spec.txt&lt;br /&gt;
$ ssh-keygen -Q -f revoked.krl ~/.ssh/id_ed25519.pub&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== SE ÄVEN ==&lt;br /&gt;
[[ssh(1)]], [[ssh-add(1)]], [[ssh-agent(1)]], [[moduli(5)]], [[sshd(8)]]&lt;br /&gt;
&lt;br /&gt;
== REFERERAS AV ==&lt;br /&gt;
[[systemd-vmspawn(1)]]&lt;br /&gt;
&lt;br /&gt;
== FÖRFATTARE ==&lt;br /&gt;
OpenSSH är baserat på Tatu Ylönens &amp;#039;&amp;#039;ssh&amp;#039;&amp;#039; 1.2.12; vidareutvecklat av bl.a. Aaron Campbell, Bob Beck, Markus Friedl, Niels Provos, Theo de Raadt och Dug Song.&lt;br /&gt;
&lt;br /&gt;
== COLOFON ==&lt;br /&gt;
Del av ”Portable OpenSSH”. Projekt: http://www.openssh.com/portable.html – Fel: http://www.openssh.com/report.html.  &lt;br /&gt;
HTML-versionen härstammar från tarball &amp;#039;&amp;#039;&amp;#039;openssh-9.9p2.tar.gz&amp;#039;&amp;#039;&amp;#039; (2025-08-11).&lt;br /&gt;
&amp;#039;&amp;#039;GNU — 17 augusti 2024 — ssh-keygen(1)&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
= Sidslut =&lt;br /&gt;
&lt;br /&gt;
Orginalhemsidan på Engelska :https://man7.org/linux/man-pages/man1/ssh-keygen.1.html&lt;br /&gt;
Det här är en maskinöversättning av Linux man sidor till svenska. Om du hittar fel är vi tacksamma om du rapporterar dem via formuläret som finns på &lt;br /&gt;
https://www.linux.se/kontaka-linux-se/&lt;br /&gt;
&amp;lt;BR&amp;gt;&amp;lt;BR&amp;gt;Tack till [https://datorhjalp.se Datorhjälp] som har  sponsrat [https://www.linux.se Linux.se] med webbhotell.&lt;br /&gt;
&lt;br /&gt;
[[Kategori:Linuxmanual grupp 1]]&lt;br /&gt;
[[Kategori:Linuxmanual]]&lt;/div&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
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