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Path: ~//opt/cpanel/ea-openssl/etc/pki/tls/man/man1/

File Content: `ecparam.1`

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.\" ========================================================================
.\"
.IX Title "ECPARAM 1"
.TH ECPARAM 1 "2019-12-20" "1.0.2u" "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\-ecparam,
ecparam \- EC parameter manipulation and generation
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fBopenssl ecparam\fR
[\fB\-inform DER|PEM\fR]
[\fB\-outform DER|PEM\fR]
[\fB\-in filename\fR]
[\fB\-out filename\fR]
[\fB\-noout\fR]
[\fB\-text\fR]
[\fB\-C\fR]
[\fB\-check\fR]
[\fB\-name arg\fR]
[\fB\-list_curves\fR]
[\fB\-conv_form arg\fR]
[\fB\-param_enc arg\fR]
[\fB\-no_seed\fR]
[\fB\-rand file(s)\fR]
[\fB\-genkey\fR]
[\fB\-engine id\fR]
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This command is used to manipulate or generate \s-1EC\s0 parameter files.
.SH "OPTIONS"
.IX Header "OPTIONS"
.IP "\fB\-inform DER|PEM\fR" 4
.IX Item "-inform DER|PEM"
This specifies the input format. The \fB\s-1DER\s0\fR option uses an \s-1ASN.1 DER\s0 encoded
form compatible with \s-1RFC 3279\s0 EcpkParameters. The \s-1PEM\s0 form is the default
format: it consists of the \fB\s-1DER\s0\fR format base64 encoded with additional 
header and footer lines.
.IP "\fB\-outform DER|PEM\fR" 4
.IX Item "-outform DER|PEM"
This specifies the output format, the options have the same meaning as the 
\&\fB\-inform\fR option.
.IP "\fB\-in filename\fR" 4
.IX Item "-in filename"
This specifies the input filename to read parameters from or standard input if
this option is not specified.
.IP "\fB\-out filename\fR" 4
.IX Item "-out filename"
This specifies the output filename parameters to. Standard output is used
if this option is not present. The output filename should \fBnot\fR be the same
as the input filename.
.IP "\fB\-noout\fR" 4
.IX Item "-noout"
This option inhibits the output of the encoded version of the parameters.
.IP "\fB\-text\fR" 4
.IX Item "-text"
This option prints out the \s-1EC\s0 parameters in human readable form.
.IP "\fB\-C\fR" 4
.IX Item "-C"
This option converts the \s-1EC\s0 parameters into C code. The parameters can then
be loaded by calling the \fB\f(BIget_ec_group_XXX()\fB\fR function.
.IP "\fB\-check\fR" 4
.IX Item "-check"
Validate the elliptic curve parameters.
.IP "\fB\-name arg\fR" 4
.IX Item "-name arg"
Use the \s-1EC\s0 parameters with the specified 'short' name. Use \fB\-list_curves\fR
to get a list of all currently implemented \s-1EC\s0 parameters.
.IP "\fB\-list_curves\fR" 4
.IX Item "-list_curves"
If this options is specified \fBecparam\fR will print out a list of all
currently implemented \s-1EC\s0 parameters names and exit.
.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, \fBuncompressed\fR (the
default value) 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 a \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_seed\fR" 4
.IX Item "-no_seed"
This option inhibits that the 'seed' for the parameter generation
is included in the ECParameters structure (see \s-1RFC 3279\s0).
.IP "\fB\-genkey\fR" 4
.IX Item "-genkey"
This option will generate a \s-1EC\s0 private key using the specified parameters.
.IP "\fB\-rand file(s)\fR" 4
.IX Item "-rand file(s)"
a file or files containing random data used to seed the random number
generator, or an \s-1EGD\s0 socket (see \fIRAND_egd\fR\|(3)).
Multiple files can be specified separated by a OS-dependent character.
The separator is \fB;\fR for MS-Windows, \fB,\fR for OpenVMS, and \fB:\fR for
all others.
.IP "\fB\-engine id\fR" 4
.IX Item "-engine id"
specifying an engine (by its unique \fBid\fR string) will cause \fBecparam\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"
\&\s-1PEM\s0 format \s-1EC\s0 parameters use the header and footer lines:
.PP
.Vb 2
\& \-\-\-\-\-BEGIN EC PARAMETERS\-\-\-\-\-
\& \-\-\-\-\-END EC PARAMETERS\-\-\-\-\-
.Ve
.PP
OpenSSL is currently not able to generate new groups and therefore
\&\fBecparam\fR can only create \s-1EC\s0 parameters from known (named) curves.
.SH "EXAMPLES"
.IX Header "EXAMPLES"
To create \s-1EC\s0 parameters with the group 'prime192v1':
.PP
.Vb 1
\&  openssl ecparam \-out ec_param.pem \-name prime192v1
.Ve
.PP
To create \s-1EC\s0 parameters with explicit parameters:
.PP
.Vb 1
\&  openssl ecparam \-out ec_param.pem \-name prime192v1 \-param_enc explicit
.Ve
.PP
To validate given \s-1EC\s0 parameters:
.PP
.Vb 1
\&  openssl ecparam \-in ec_param.pem \-check
.Ve
.PP
To create \s-1EC\s0 parameters and a private key:
.PP
.Vb 1
\&  openssl ecparam \-out ec_key.pem \-name prime192v1 \-genkey
.Ve
.PP
To change the point encoding to 'compressed':
.PP
.Vb 1
\&  openssl ecparam \-in ec_in.pem \-out ec_out.pem \-conv_form compressed
.Ve
.PP
To print out the \s-1EC\s0 parameters to standard output:
.PP
.Vb 1
\&  openssl ecparam \-in ec_param.pem \-noout \-text
.Ve
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fIec\fR\|(1), \fIdsaparam\fR\|(1)
.SH "HISTORY"
.IX Header "HISTORY"
The ecparam command was first introduced in OpenSSL 0.9.8.
.SH "AUTHOR"
.IX Header "AUTHOR"
Nils Larsch for the OpenSSL project (http://www.openssl.org)

Edit Rename Chmod Delete

FILE FOLDER

Name	Size	Permission
CA.pl.1	10359 bytes	0644
asn1parse.1	10134 bytes	0644
c_rehash.1	7768 bytes	0644
ca.1	30752 bytes	0644
ciphers.1	31406 bytes	0644
cms.1	29709 bytes	0644
crl.1	7240 bytes	0644
crl2pkcs7.1	6944 bytes	0644
dgst.1	10494 bytes	0644
dhparam.1	8854 bytes	0644
dsa.1	9408 bytes	0644
dsaparam.1	7406 bytes	0644
dss1.1	10494 bytes	0644
ec.1	10518 bytes	0644
ecparam.1	9789 bytes	0644
enc.1	15292 bytes	0644
errstr.1	4803 bytes	0644
gendsa.1	6174 bytes	0644
genpkey.1	15045 bytes	0644
genrsa.1	7751 bytes	0644
md2.1	10494 bytes	0644
md4.1	10494 bytes	0644
md5.1	10494 bytes	0644
mdc2.1	10494 bytes	0644
nseq.1	5963 bytes	0644
ocsp.1	20141 bytes	0644
openssl-asn1parse.1	10134 bytes	0644
openssl-ca.1	30752 bytes	0644
openssl-ciphers.1	31406 bytes	0644
openssl-cms.1	29709 bytes	0644
openssl-crl.1	7240 bytes	0644
openssl-crl2pkcs7.1	6944 bytes	0644
openssl-dgst.1	10494 bytes	0644
openssl-dhparam.1	8854 bytes	0644
openssl-dsa.1	9408 bytes	0644
openssl-dsaparam.1	7406 bytes	0644
openssl-ec.1	10518 bytes	0644
openssl-ecparam.1	9789 bytes	0644
openssl-enc.1	15292 bytes	0644
openssl-errstr.1	4803 bytes	0644
openssl-gendsa.1	6174 bytes	0644
openssl-genpkey.1	15045 bytes	0644
openssl-genrsa.1	7751 bytes	0644
openssl-nseq.1	5963 bytes	0644
openssl-ocsp.1	20141 bytes	0644
openssl-passwd.1	6085 bytes	0644
openssl-pkcs12.1	17713 bytes	0644
openssl-pkcs7.1	6836 bytes	0644
openssl-pkcs8.1	13906 bytes	0644
openssl-pkey.1	7949 bytes	0644
openssl-pkeyparam.1	5779 bytes	0644
openssl-pkeyutl.1	11786 bytes	0644
openssl-rand.1	5331 bytes	0644
openssl-req.1	29880 bytes	0644
openssl-rsa.1	11179 bytes	0644
openssl-rsautl.1	9993 bytes	0644
openssl-s_client.1	18636 bytes	0644
openssl-s_server.1	19392 bytes	0644
openssl-s_time.1	10777 bytes	0644
openssl-sess_id.1	8499 bytes	0644
openssl-smime.1	21072 bytes	0644
openssl-speed.1	5107 bytes	0644
openssl-spkac.1	8112 bytes	0644
openssl-ts.1	26808 bytes	0644
openssl-tsget.1	11193 bytes	0644
openssl-verify.1	24231 bytes	0644
openssl-version.1	5046 bytes	0644
openssl-x509.1	36319 bytes	0644
openssl.1	16060 bytes	0644
passwd.1	6085 bytes	0644
pkcs12.1	17713 bytes	0644
pkcs7.1	6836 bytes	0644
pkcs8.1	13906 bytes	0644
pkey.1	7949 bytes	0644
pkeyparam.1	5779 bytes	0644
pkeyutl.1	11786 bytes	0644
rand.1	5331 bytes	0644
req.1	29880 bytes	0644
ripemd160.1	10494 bytes	0644
rsa.1	11179 bytes	0644
rsautl.1	9993 bytes	0644
s_client.1	18636 bytes	0644
s_server.1	19392 bytes	0644
s_time.1	10777 bytes	0644
sess_id.1	8499 bytes	0644
sha.1	10494 bytes	0644
sha1.1	10494 bytes	0644
sha224.1	10494 bytes	0644
sha256.1	10494 bytes	0644
sha384.1	10494 bytes	0644
sha512.1	10494 bytes	0644
smime.1	21072 bytes	0644
speed.1	5107 bytes	0644
spkac.1	8112 bytes	0644
ts.1	26808 bytes	0644
tsget.1	11193 bytes	0644
verify.1	24231 bytes	0644
version.1	5046 bytes	0644
x509.1	36319 bytes	0644

File Content: ecparam.1

File Content: `ecparam.1`