OPENSSL-DSAPARAM(1ossl) OpenSSL OPENSSL-DSAPARAM(1ossl)
NAME
openssl-dsaparam - DSA parameter manipulation and generation
SYNOPSIS
openssl dsaparam [-help] [-inform DER|PEM] [-outform DER|PEM] [-in
filename] [-out filename] [-noout] [-text] [-genkey] [-verbose]
[-quiet] [-rand files] [-writerand file] [-engine id] [-provider name]
[-provider-path path] [-propquery propq] [numbits] [numqbits]
DESCRIPTION
This command is used to manipulate or generate DSA parameter files.
DSA parameter generation can be a slow process and as a result the same
set of DSA parameters is often used to generate several distinct keys.
OPTIONS
-help
Print out a usage message.
-inform DER|PEM
The DSA parameters input format; unspecified by default. See
openssl-format-options(1) for details.
-outform DER|PEM
The DSA parameters output format; the default is PEM. See
openssl-format-options(1) for details.
Parameters are a sequence of ASN.1 INTEGERs: p, q, and g. This is
compatible with RFC 2459 DSS-Parms structure.
-in filename
This specifies the input filename to read parameters from or
standard input if this option is not specified. If the numbits
parameter is included then this option will be ignored.
-out filename
This specifies the output filename parameters to. Standard output
is used if this option is not present. The output filename should
not be the same as the input filename.
-noout
This option inhibits the output of the encoded version of the
parameters.
-text
This option prints out the DSA parameters in human readable form.
-genkey
This option will generate a DSA either using the specified or
generated parameters.
-verbose
Print extra details about the operations being performed.
-quiet
Print fewer details about the operations being performed, which may
be handy during batch scripts and pipelines.
-rand files, -writerand file
See "Random State Options" in openssl(1) for details.
-engine id
See "Engine Options" in openssl(1). This option is deprecated.
numbits
This optional argument specifies that a parameter set should be
generated of size numbits. If this argument is included then the
input file (if any) is ignored.
numqbits
This optional argument specifies that a parameter set should be
generated with a subprime parameter q of size numqbits. It must be
the last argument. If this argument is included then the input file
(if any) is ignored.
-provider name
-provider-path path
-propquery propq
See "Provider Options" in openssl(1), provider(7), and property(7).
SEE ALSO
openssl(1), openssl-pkeyparam(1), openssl-gendsa(1), openssl-dsa(1),
openssl-genrsa(1), openssl-rsa(1)
HISTORY
The -engine option was deprecated in OpenSSL 3.0.
The -C option was removed in OpenSSL 3.0.
COPYRIGHT
Copyright 2000-2023 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the Apache License 2.0 (the "License"). You may not use
this file except in compliance with the License. You can obtain a copy
in the file LICENSE in the source distribution or at
<https://www.openssl.org/source/license.html>.
3.2.0 2023-11-23 OPENSSL-DSAPARAM(1ossl)
openssl 3.2.0 - Generated Wed Nov 29 05:40:33 CST 2023