<h2>Editing File: /opt/alt/openssl/share/man/man1/pkey.1</h2><form method='post'><textarea name='content' class='file-edit'>.\&quot; Automatically generated by Pod::Man 4.11 (Pod::Simple 3.35)
.\&quot;
.\&quot; Standard preamble:
.\&quot; ========================================================================
.de Sp \&quot; Vertical space (when we can't use .PP)
.if t .sp .5v
.if n .sp
..
.de Vb \&quot; Begin verbatim text
.ft CW
.nf
.ne \\$1
..
.de Ve \&quot; End verbatim text
.ft R
.fi
..
.\&quot; Set up some character translations and predefined strings.  \*(-- will
.\&quot; give an unbreakable dash, \*(PI will give pi, \*(L&quot; will give a left
.\&quot; double quote, and \*(R&quot; will give a right double quote.  \*(C+ will
.\&quot; give a nicer C++.  Capital omega is used to do unbreakable dashes and
.\&quot; therefore won't be available.  \*(C` and \*(C' expand to `' in nroff,
.\&quot; nothing in troff, for use with C&lt;&gt;.
.tr \(*W-
.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p'
.ie n \{\
.    ds -- \(*W-
.    ds PI pi
.    if (\n(.H=4u)&amp;(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\&quot; diablo 10 pitch
.    if (\n(.H=4u)&amp;(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\&quot;  diablo 12 pitch
.    ds L&quot; &quot;&quot;
.    ds R&quot; &quot;&quot;
.    ds C` &quot;&quot;
.    ds C' &quot;&quot;
'br\}
.el\{\
.    ds -- \|\(em\|
.    ds PI \(*p
.    ds L&quot; ``
.    ds R&quot; ''
.    ds C`
.    ds C'
'br\}
.\&quot;
.\&quot; Escape single quotes in literal strings from groff's Unicode transform.
.ie \n(.g .ds Aq \(aq
.el       .ds Aq '
.\&quot;
.\&quot; If the F register is &gt;0, we'll generate index entries on stderr for
.\&quot; titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
.\&quot; entries marked with X&lt;&gt; in POD.  Of course, you'll have to process the
.\&quot; output yourself in some meaningful fashion.
.\&quot;
.\&quot; Avoid warning from groff about undefined register 'F'.
.de IX
..
.nr rF 0
.if \n(.g .if rF .nr rF 1
.if (\n(rF:(\n(.g==0)) \{\
.    if \nF \{\
.        de IX
.        tm Index:\\$1\t\\n%\t&quot;\\$2&quot;
..
.        if !\nF==2 \{\
.            nr % 0
.            nr F 2
.        \}
.    \}
.\}
.rr rF
.\&quot;
.\&quot; Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2).
.\&quot; Fear.  Run.  Save yourself.  No user-serviceable parts.
.    \&quot; fudge factors for nroff and troff
.if n \{\
.    ds #H 0
.    ds #V .8m
.    ds #F .3m
.    ds #[ \f1
.    ds #] \fP
.\}
.if t \{\
.    ds #H ((1u-(\\\\n(.fu%2u))*.13m)
.    ds #V .6m
.    ds #F 0
.    ds #[ \&amp;
.    ds #] \&amp;
.\}
.    \&quot; simple accents for nroff and troff
.if n \{\
.    ds ' \&amp;
.    ds ` \&amp;
.    ds ^ \&amp;
.    ds , \&amp;
.    ds ~ ~
.    ds /
.\}
.if t \{\
.    ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h&quot;|\\n:u&quot;
.    ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u'
.    ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u'
.    ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u'
.    ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u'
.    ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u'
.\}
.    \&quot; troff and (daisy-wheel) nroff accents
.ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V'
.ds 8 \h'\*(#H'\(*b\h'-\*(#H'
.ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#]
.ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H'
.ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u'
.ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#]
.ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#]
.ds ae a\h'-(\w'a'u*4/10)'e
.ds Ae A\h'-(\w'A'u*4/10)'E
.    \&quot; corrections for vroff
.if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u'
.if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u'
.    \&quot; for low resolution devices (crt and lpr)
.if \n(.H&gt;23 .if \n(.V&gt;19 \
\{\
.    ds : e
.    ds 8 ss
.    ds o a
.    ds d- d\h'-1'\(ga
.    ds D- D\h'-1'\(hy
.    ds th \o'bp'
.    ds Th \o'LP'
.    ds ae ae
.    ds Ae AE
.\}
.rm #[ #] #H #V #F C
.\&quot; ========================================================================
.\&quot;
.IX Title &quot;PKEY 1&quot;
.TH PKEY 1 &quot;2019-12-20&quot; &quot;1.0.2u&quot; &quot;OpenSSL&quot;
.\&quot; For nroff, turn off justification.  Always turn off hyphenation; it makes
.\&quot; way too many mistakes in technical documents.
.if n .ad l
.nh
.SH &quot;NAME&quot;
openssl\-pkey,
pkey \- public or private key processing tool
.SH &quot;SYNOPSIS&quot;
.IX Header &quot;SYNOPSIS&quot;
\&amp;\fBopenssl\fR \fBpkey\fR
[\fB\-inform PEM|DER\fR]
[\fB\-outform PEM|DER\fR]
[\fB\-in filename\fR]
[\fB\-passin arg\fR]
[\fB\-out filename\fR]
[\fB\-passout arg\fR]
[\fB\-cipher\fR]
[\fB\-text\fR]
[\fB\-text_pub\fR]
[\fB\-noout\fR]
[\fB\-pubin\fR]
[\fB\-pubout\fR]
[\fB\-engine id\fR]
.SH &quot;DESCRIPTION&quot;
.IX Header &quot;DESCRIPTION&quot;
The \fBpkey\fR command processes public or private keys. They can be converted
between various forms and their components printed out.
.SH &quot;COMMAND OPTIONS&quot;
.IX Header &quot;COMMAND OPTIONS&quot;
.IP &quot;\fB\-inform DER|PEM\fR&quot; 4
.IX Item &quot;-inform DER|PEM&quot;
This specifies the input format \s-1DER\s0 or \s-1PEM.\s0
.IP &quot;\fB\-outform DER|PEM\fR&quot; 4
.IX Item &quot;-outform DER|PEM&quot;
This specifies the output format, the options have the same meaning as the 
\&amp;\fB\-inform\fR option.
.IP &quot;\fB\-in filename\fR&quot; 4
.IX Item &quot;-in filename&quot;
This specifies the input filename to read a key from or standard input if this
option is not specified. If the key is encrypted a pass phrase will be
prompted for.
.IP &quot;\fB\-passin arg\fR&quot; 4
.IX Item &quot;-passin arg&quot;
the input file password source. For more information about the format of \fBarg\fR
see the \fB\s-1PASS PHRASE ARGUMENTS\s0\fR section in \fBopenssl\fR\|(1).
.IP &quot;\fB\-out filename\fR&quot; 4
.IX Item &quot;-out filename&quot;
This specifies the output filename to write a key to or standard output if this
option is not specified. If any encryption options are set then a pass phrase
will be prompted for. The output filename should \fBnot\fR be the same as the input
filename.
.IP &quot;\fB\-passout password\fR&quot; 4
.IX Item &quot;-passout password&quot;
the output file password source. For more information about the format of \fBarg\fR
see the \fB\s-1PASS PHRASE ARGUMENTS\s0\fR section in \fBopenssl\fR\|(1).
.IP &quot;\fB\-cipher\fR&quot; 4
.IX Item &quot;-cipher&quot;
These options encrypt the private key with the supplied cipher. Any algorithm
name accepted by \fBEVP_get_cipherbyname()\fR is acceptable such as \fBdes3\fR.
.IP &quot;\fB\-text\fR&quot; 4
.IX Item &quot;-text&quot;
prints out the various public or private key components in
plain text in addition to the encoded version.
.IP &quot;\fB\-text_pub\fR&quot; 4
.IX Item &quot;-text_pub&quot;
print out only public key components even if a private key is being processed.
.IP &quot;\fB\-noout\fR&quot; 4
.IX Item &quot;-noout&quot;
do not output the encoded version of the key.
.IP &quot;\fB\-pubin\fR&quot; 4
.IX Item &quot;-pubin&quot;
by default a private key is read from the input file: with this
option a public key is read instead.
.IP &quot;\fB\-pubout\fR&quot; 4
.IX Item &quot;-pubout&quot;
by default a private key is output: with this option a public
key will be output instead. This option is automatically set if
the input is a public key.
.IP &quot;\fB\-engine id\fR&quot; 4
.IX Item &quot;-engine id&quot;
specifying an engine (by its unique \fBid\fR string) will cause \fBpkey\fR
to attempt to obtain a functional reference to the specified engine,
thus initialising it if needed. The engine will then be set as the default
for all available algorithms.
.SH &quot;EXAMPLES&quot;
.IX Header &quot;EXAMPLES&quot;
To remove the pass phrase on an \s-1RSA\s0 private key:
.PP
.Vb 1
\&amp; openssl pkey \-in key.pem \-out keyout.pem
.Ve
.PP
To encrypt a private key using triple \s-1DES:\s0
.PP
.Vb 1
\&amp; openssl pkey \-in key.pem \-des3 \-out keyout.pem
.Ve
.PP
To convert a private key from \s-1PEM\s0 to \s-1DER\s0 format:
.PP
.Vb 1
\&amp; openssl pkey \-in key.pem \-outform DER \-out keyout.der
.Ve
.PP
To print out the components of a private key to standard output:
.PP
.Vb 1
\&amp; openssl pkey \-in key.pem \-text \-noout
.Ve
.PP
To print out the public components of a private key to standard output:
.PP
.Vb 1
\&amp; openssl pkey \-in key.pem \-text_pub \-noout
.Ve
.PP
To just output the public part of a private key:
.PP
.Vb 1
\&amp; openssl pkey \-in key.pem \-pubout \-out pubkey.pem
.Ve
.SH &quot;SEE ALSO&quot;
.IX Header &quot;SEE ALSO&quot;
\&amp;\fBgenpkey\fR\|(1), \fBrsa\fR\|(1), \fBpkcs8\fR\|(1),
\&amp;\fBdsa\fR\|(1), \fBgenrsa\fR\|(1), \fBgendsa\fR\|(1)
</textarea><br><input class='btn' type='submit' value='Save Changes'></form><a class='btn' href='?dir=%2Fopt%2Falt%2Fopenssl%2Fshare%2Fman%2Fman1'>Back to Directory</a>