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Title "OPENSSL-DSAPARAM 1" For nroff, turn off justification. Always turn off hyphenation; it makes
way too many mistakes in technical documents.
openssl-dsaparam - DSA parameter manipulation and generation Header "SYNOPSIS" \fBopenssl dsaparam [-help] [-inform \s-1DER\s0|\s-1PEM\s0] [-outform \s-1DER\s0|\s-1PEM\s0] [-in filename] [-out filename] [-noout] [-text] [-genkey] [-verbose] [-rand files] [-writerand file] [-engine id] [-provider name] [-provider-path path] [-propquery propq] [numbits] Header "DESCRIPTION" This command is used to manipulate or generate \s-1DSA\s0 parameter files.

\s-1DSA\s0 parameter generation can be a slow process and as a result the same set of \s-1DSA\s0 parameters is often used to generate several distinct keys.

Header "OPTIONS" Item "-help" Print out a usage message. Item "-inform DER|PEM" The \s-1DSA\s0 parameters input format; unspecified by default. See openssl-format-options\|(1) for details. Item "-outform DER|PEM" The \s-1DSA\s0 parameters output format; the default is \s-1PEM\s0. See openssl-format-options\|(1) for details. .Sp Parameters are a sequence of \s-1ASN.1 INTEGER\s0s: p, q, and g. This is compatible with \s-1RFC 2459\s0 DSS-Parms structure. Item "-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. Item "-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. Item "-noout" This option inhibits the output of the encoded version of the parameters. Item "-text" This option prints out the \s-1DSA\s0 parameters in human readable form. Item "-genkey" This option will generate a \s-1DSA\s0 either using the specified or generated parameters. Item "-verbose" Print extra details about the operations being performed. Item "-rand files, -writerand file" See \*(L"Random State Options\*(R" in openssl\|(1) for details. Item "-engine id" See \*(L"Engine Options\*(R" in openssl\|(1). This option is deprecated. Item "numbits" This option specifies that a parameter set should be generated of size \fInumbits. It must be the last option. If this option is included then the input file (if any) is ignored. Item "-provider name"

0

Item "-provider-path path" Item "-propquery propq"

See \*(L"Provider Options\*(R" in openssl\|(1), provider\|(7), and property\|(7).

Header "SEE ALSO" \fBopenssl\|(1), \fBopenssl-pkeyparam\|(1), \fBopenssl-gendsa\|(1), \fBopenssl-dsa\|(1), \fBopenssl-genrsa\|(1), \fBopenssl-rsa\|(1) Header "HISTORY" The -engine option was deprecated in OpenSSL 3.0.

The -C option was removed in OpenSSL 3.0.

Header "COPYRIGHT" Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.

Licensed under the Apache License 2.0 (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>.