forked from cory/tildefriends
327 lines
11 KiB
Groff
327 lines
11 KiB
Groff
|
.\" Automatically generated by Pod::Man 4.14 (Pod::Simple 3.42)
|
||
|
|
.\"
|
||
|
|
.\" Standard preamble:
|
||
|
|
.\" ========================================================================
|
||
|
|
.de Sp \" Vertical space (when we can't use .PP)
|
||
|
|
.if t .sp .5v
|
||
|
|
.if n .sp
|
||
|
|
..
|
||
|
|
.de Vb \" Begin verbatim text
|
||
|
|
.ft CW
|
||
|
|
.nf
|
||
|
|
.ne \\$1
|
||
|
|
..
|
||
|
|
.de Ve \" End verbatim text
|
||
|
|
.ft R
|
||
|
|
.fi
|
||
|
|
..
|
||
|
|
.\" Set up some character translations and predefined strings. \*(-- will
|
||
|
|
.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left
|
||
|
|
.\" double quote, and \*(R" will give a right double quote. \*(C+ will
|
||
|
|
.\" give a nicer C++. Capital omega is used to do unbreakable dashes and
|
||
|
|
.\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff,
|
||
|
|
.\" nothing in troff, for use with C<>.
|
||
|
|
.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)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch
|
||
|
|
. if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch
|
||
|
|
. ds L" ""
|
||
|
|
. ds R" ""
|
||
|
|
. ds C` ""
|
||
|
|
. ds C' ""
|
||
|
|
'br\}
|
||
|
|
.el\{\
|
||
|
|
. ds -- \|\(em\|
|
||
|
|
. ds PI \(*p
|
||
|
|
. ds L" ``
|
||
|
|
. ds R" ''
|
||
|
|
. ds C`
|
||
|
|
. ds C'
|
||
|
|
'br\}
|
||
|
|
.\"
|
||
|
|
.\" Escape single quotes in literal strings from groff's Unicode transform.
|
||
|
|
.ie \n(.g .ds Aq \(aq
|
||
|
|
.el .ds Aq '
|
||
|
|
.\"
|
||
|
|
.\" If the F register is >0, we'll generate index entries on stderr for
|
||
|
|
.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
|
||
|
|
.\" entries marked with X<> in POD. Of course, you'll have to process the
|
||
|
|
.\" output yourself in some meaningful fashion.
|
||
|
|
.\"
|
||
|
|
.\" 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"\\$2"
|
||
|
|
..
|
||
|
|
. if !\nF==2 \{\
|
||
|
|
. nr % 0
|
||
|
|
. nr F 2
|
||
|
|
. \}
|
||
|
|
. \}
|
||
|
|
.\}
|
||
|
|
.rr rF
|
||
|
|
.\"
|
||
|
|
.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2).
|
||
|
|
.\" Fear. Run. Save yourself. No user-serviceable parts.
|
||
|
|
. \" 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 #[ \&
|
||
|
|
. ds #] \&
|
||
|
|
.\}
|
||
|
|
. \" simple accents for nroff and troff
|
||
|
|
.if n \{\
|
||
|
|
. ds ' \&
|
||
|
|
. ds ` \&
|
||
|
|
. ds ^ \&
|
||
|
|
. ds , \&
|
||
|
|
. ds ~ ~
|
||
|
|
. ds /
|
||
|
|
.\}
|
||
|
|
.if t \{\
|
||
|
|
. ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u"
|
||
|
|
. 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'
|
||
|
|
.\}
|
||
|
|
. \" 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
|
||
|
|
. \" 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'
|
||
|
|
. \" for low resolution devices (crt and lpr)
|
||
|
|
.if \n(.H>23 .if \n(.V>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
|
||
|
|
.\" ========================================================================
|
||
|
|
.\"
|
||
|
|
.IX Title "EC 1"
|
||
|
|
.TH EC 1 "2020-04-21" "1.1.1g" "OpenSSL"
|
||
|
|
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
|
||
|
|
.\" way too many mistakes in technical documents.
|
||
|
|
.if n .ad l
|
||
|
|
.nh
|
||
|
|
.SH "NAME"
|
||
|
|
openssl\-ec, ec \- EC key processing
|
||
|
|
.SH "SYNOPSIS"
|
||
|
|
.IX Header "SYNOPSIS"
|
||
|
|
\&\fBopenssl\fR \fBec\fR
|
||
|
|
[\fB\-help\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\-des\fR]
|
||
|
|
[\fB\-des3\fR]
|
||
|
|
[\fB\-idea\fR]
|
||
|
|
[\fB\-text\fR]
|
||
|
|
[\fB\-noout\fR]
|
||
|
|
[\fB\-param_out\fR]
|
||
|
|
[\fB\-pubin\fR]
|
||
|
|
[\fB\-pubout\fR]
|
||
|
|
[\fB\-conv_form arg\fR]
|
||
|
|
[\fB\-param_enc arg\fR]
|
||
|
|
[\fB\-no_public\fR]
|
||
|
|
[\fB\-check\fR]
|
||
|
|
[\fB\-engine id\fR]
|
||
|
|
.SH "DESCRIPTION"
|
||
|
|
.IX Header "DESCRIPTION"
|
||
|
|
The \fBec\fR command processes \s-1EC\s0 keys. They can be converted between various
|
||
|
|
forms and their components printed out. \fBNote\fR OpenSSL uses the
|
||
|
|
private key format specified in '\s-1SEC 1:\s0 Elliptic Curve Cryptography'
|
||
|
|
(http://www.secg.org/). To convert an OpenSSL \s-1EC\s0 private key into the
|
||
|
|
PKCS#8 private key format use the \fBpkcs8\fR command.
|
||
|
|
.SH "OPTIONS"
|
||
|
|
.IX Header "OPTIONS"
|
||
|
|
.IP "\fB\-help\fR" 4
|
||
|
|
.IX Item "-help"
|
||
|
|
Print out a usage message.
|
||
|
|
.IP "\fB\-inform DER|PEM\fR" 4
|
||
|
|
.IX Item "-inform DER|PEM"
|
||
|
|
This specifies the input format. The \fB\s-1DER\s0\fR option with a private key uses
|
||
|
|
an \s-1ASN.1 DER\s0 encoded \s-1SEC1\s0 private key. When used with a public key it
|
||
|
|
uses the SubjectPublicKeyInfo structure as specified in \s-1RFC 3280.\s0
|
||
|
|
The \fB\s-1PEM\s0\fR form is the default format: it consists of the \fB\s-1DER\s0\fR format base64
|
||
|
|
encoded with additional header and footer lines. In the case of a private key
|
||
|
|
PKCS#8 format is also accepted.
|
||
|
|
.IP "\fB\-outform DER|PEM\fR" 4
|
||
|
|
.IX Item "-outform DER|PEM"
|
||
|
|
This specifies the output format, the options have the same meaning and default
|
||
|
|
as the \fB\-inform\fR option.
|
||
|
|
.IP "\fB\-in filename\fR" 4
|
||
|
|
.IX Item "-in filename"
|
||
|
|
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 "\fB\-passin arg\fR" 4
|
||
|
|
.IX Item "-passin arg"
|
||
|
|
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 "\fB\-out filename\fR" 4
|
||
|
|
.IX Item "-out filename"
|
||
|
|
This specifies the output filename to write a key to or standard output by
|
||
|
|
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 "\fB\-passout arg\fR" 4
|
||
|
|
.IX Item "-passout arg"
|
||
|
|
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 "\fB\-des|\-des3|\-idea\fR" 4
|
||
|
|
.IX Item "-des|-des3|-idea"
|
||
|
|
These options encrypt the private key with the \s-1DES,\s0 triple \s-1DES, IDEA\s0 or
|
||
|
|
any other cipher supported by OpenSSL before outputting it. A pass phrase is
|
||
|
|
prompted for.
|
||
|
|
If none of these options is specified the key is written in plain text. This
|
||
|
|
means that using the \fBec\fR utility to read in an encrypted key with no
|
||
|
|
encryption option can be used to remove the pass phrase from a key, or by
|
||
|
|
setting the encryption options it can be use to add or change the pass phrase.
|
||
|
|
These options can only be used with \s-1PEM\s0 format output files.
|
||
|
|
.IP "\fB\-text\fR" 4
|
||
|
|
.IX Item "-text"
|
||
|
|
Prints out the public, private key components and parameters.
|
||
|
|
.IP "\fB\-noout\fR" 4
|
||
|
|
.IX Item "-noout"
|
||
|
|
This option prevents output of the encoded version of the key.
|
||
|
|
.IP "\fB\-pubin\fR" 4
|
||
|
|
.IX Item "-pubin"
|
||
|
|
By default, a private key is read from the input file. With this option a
|
||
|
|
public key is read instead.
|
||
|
|
.IP "\fB\-pubout\fR" 4
|
||
|
|
.IX Item "-pubout"
|
||
|
|
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 "\fB\-conv_form\fR" 4
|
||
|
|
.IX Item "-conv_form"
|
||
|
|
This specifies how the points on the elliptic curve are converted
|
||
|
|
into octet strings. Possible values are: \fBcompressed\fR (the default
|
||
|
|
value), \fBuncompressed\fR and \fBhybrid\fR. For more information regarding
|
||
|
|
the point conversion forms please read the X9.62 standard.
|
||
|
|
\&\fBNote\fR Due to patent issues the \fBcompressed\fR option is disabled
|
||
|
|
by default for binary curves and can be enabled by defining
|
||
|
|
the preprocessor macro \fB\s-1OPENSSL_EC_BIN_PT_COMP\s0\fR at compile time.
|
||
|
|
.IP "\fB\-param_enc arg\fR" 4
|
||
|
|
.IX Item "-param_enc arg"
|
||
|
|
This specifies how the elliptic curve parameters are encoded.
|
||
|
|
Possible value are: \fBnamed_curve\fR, i.e. the ec parameters are
|
||
|
|
specified by an \s-1OID,\s0 or \fBexplicit\fR where the ec parameters are
|
||
|
|
explicitly given (see \s-1RFC 3279\s0 for the definition of the
|
||
|
|
\&\s-1EC\s0 parameters structures). The default value is \fBnamed_curve\fR.
|
||
|
|
\&\fBNote\fR the \fBimplicitlyCA\fR alternative, as specified in \s-1RFC 3279,\s0
|
||
|
|
is currently not implemented in OpenSSL.
|
||
|
|
.IP "\fB\-no_public\fR" 4
|
||
|
|
.IX Item "-no_public"
|
||
|
|
This option omits the public key components from the private key output.
|
||
|
|
.IP "\fB\-check\fR" 4
|
||
|
|
.IX Item "-check"
|
||
|
|
This option checks the consistency of an \s-1EC\s0 private or public key.
|
||
|
|
.IP "\fB\-engine id\fR" 4
|
||
|
|
.IX Item "-engine id"
|
||
|
|
Specifying an engine (by its unique \fBid\fR string) will cause \fBec\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 "NOTES"
|
||
|
|
.IX Header "NOTES"
|
||
|
|
The \s-1PEM\s0 private key format uses the header and footer lines:
|
||
|
|
.PP
|
||
|
|
.Vb 2
|
||
|
|
\& \-\-\-\-\-BEGIN EC PRIVATE KEY\-\-\-\-\-
|
||
|
|
\& \-\-\-\-\-END EC PRIVATE KEY\-\-\-\-\-
|
||
|
|
.Ve
|
||
|
|
.PP
|
||
|
|
The \s-1PEM\s0 public key format uses the header and footer lines:
|
||
|
|
.PP
|
||
|
|
.Vb 2
|
||
|
|
\& \-\-\-\-\-BEGIN PUBLIC KEY\-\-\-\-\-
|
||
|
|
\& \-\-\-\-\-END PUBLIC KEY\-\-\-\-\-
|
||
|
|
.Ve
|
||
|
|
.SH "EXAMPLES"
|
||
|
|
.IX Header "EXAMPLES"
|
||
|
|
To encrypt a private key using triple \s-1DES:\s0
|
||
|
|
.PP
|
||
|
|
.Vb 1
|
||
|
|
\& openssl ec \-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
|
||
|
|
\& openssl ec \-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
|
||
|
|
\& openssl ec \-in key.pem \-text \-noout
|
||
|
|
.Ve
|
||
|
|
.PP
|
||
|
|
To just output the public part of a private key:
|
||
|
|
.PP
|
||
|
|
.Vb 1
|
||
|
|
\& openssl ec \-in key.pem \-pubout \-out pubkey.pem
|
||
|
|
.Ve
|
||
|
|
.PP
|
||
|
|
To change the parameters encoding to \fBexplicit\fR:
|
||
|
|
.PP
|
||
|
|
.Vb 1
|
||
|
|
\& openssl ec \-in key.pem \-param_enc explicit \-out keyout.pem
|
||
|
|
.Ve
|
||
|
|
.PP
|
||
|
|
To change the point conversion form to \fBcompressed\fR:
|
||
|
|
.PP
|
||
|
|
.Vb 1
|
||
|
|
\& openssl ec \-in key.pem \-conv_form compressed \-out keyout.pem
|
||
|
|
.Ve
|
||
|
|
.SH "SEE ALSO"
|
||
|
|
.IX Header "SEE ALSO"
|
||
|
|
\&\fBecparam\fR\|(1), \fBdsa\fR\|(1), \fBrsa\fR\|(1)
|
||
|
|
.SH "COPYRIGHT"
|
||
|
|
.IX Header "COPYRIGHT"
|
||
|
|
Copyright 2003\-2019 The OpenSSL Project Authors. All Rights Reserved.
|
||
|
|
.PP
|
||
|
|
Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use
|
||
|
|
this file except in compliance with the License. You can obtain a copy
|
||
|
|
in the file \s-1LICENSE\s0 in the source distribution or at
|
||
|
|
<https://www.openssl.org/source/license.html>.
|