Linux cli command openssl-dsaparamssl

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NAME 🖥️ openssl-dsaparamssl 🖥️

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>.

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