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<?xml version="1.0" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>gendsa</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link rev="made" href="mailto:root@hsxx.drive.ne.jp" /> </head> <body style="background-color: white"> <!-- INDEX BEGIN --> <div name="index"> <p><a name="__index__"></a></p> <ul> <li><a href="#name">NAME</a></li> <li><a href="#synopsis">SYNOPSIS</a></li> <li><a href="#description">DESCRIPTION</a></li> <li><a href="#options">OPTIONS</a></li> <li><a href="#notes">NOTES</a></li> <li><a href="#see_also">SEE ALSO</a></li> <li><a href="#copyright">COPYRIGHT</a></li> </ul> <hr name="index" /> </div> <!-- INDEX END --> <p> </p> <hr /> <h1><a name="name">NAME</a></h1> <p>openssl-gendsa, gendsa - generate a DSA private key from a set of parameters</p> <p> </p> <hr /> <h1><a name="synopsis">SYNOPSIS</a></h1> <p><strong>openssl</strong> <strong>gendsa</strong> [<strong>-help</strong>] [<strong>-out filename</strong>] [<strong>-aes128</strong>] [<strong>-aes192</strong>] [<strong>-aes256</strong>] [<strong>-aria128</strong>] [<strong>-aria192</strong>] [<strong>-aria256</strong>] [<strong>-camellia128</strong>] [<strong>-camellia192</strong>] [<strong>-camellia256</strong>] [<strong>-des</strong>] [<strong>-des3</strong>] [<strong>-idea</strong>] [<strong>-rand file...</strong>] [<strong>-writerand file</strong>] [<strong>-engine id</strong>] [<strong>paramfile</strong>]</p> <p> </p> <hr /> <h1><a name="description">DESCRIPTION</a></h1> <p>The <strong>gendsa</strong> command generates a DSA private key from a DSA parameter file (which will be typically generated by the <strong>openssl dsaparam</strong> command).</p> <p> </p> <hr /> <h1><a name="options">OPTIONS</a></h1> <dl> <dt><strong><a name="help" class="item"><strong>-help</strong></a></strong></dt> <dd> <p>Print out a usage message.</p> </dd> <dt><strong><a name="out_filename" class="item"><strong>-out filename</strong></a></strong></dt> <dd> <p>Output the key to the specified file. If this argument is not specified then standard output is used.</p> </dd> <dt><strong><a name="aes128_aes192_aes256_aria128_aria192_aria256_camellia128_camellia192_camellia256_des_des3_idea" class="item"><strong>-aes128</strong>, <strong>-aes192</strong>, <strong>-aes256</strong>, <strong>-aria128</strong>, <strong>-aria192</strong>, <strong>-aria256</strong>, <strong>-camellia128</strong>, <strong>-camellia192</strong>, <strong>-camellia256</strong>, <strong>-des</strong>, <strong>-des3</strong>, <strong>-idea</strong></a></strong></dt> <dd> <p>These options encrypt the private key with specified cipher before outputting it. A pass phrase is prompted for. If none of these options is specified no encryption is used.</p> </dd> <dt><strong><a name="rand_file" class="item"><strong>-rand file...</strong></a></strong></dt> <dd> <p>A file or files containing random data used to seed the random number generator. Multiple files can be specified separated by an OS-dependent character. The separator is <strong>;</strong> for MS-Windows, <strong>,</strong> for OpenVMS, and <strong>:</strong> for all others.</p> </dd> <dt><strong><a name="writerand_file" class="item">[<strong>-writerand file</strong>]</a></strong></dt> <dd> <p>Writes random data to the specified <em>file</em> upon exit. This can be used with a subsequent <strong>-rand</strong> flag.</p> </dd> <dt><strong><a name="engine_id" class="item"><strong>-engine id</strong></a></strong></dt> <dd> <p>Specifying an engine (by its unique <strong>id</strong> string) will cause <strong>gendsa</strong> 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.</p> </dd> <dt><strong><a name="paramfile" class="item"><strong>paramfile</strong></a></strong></dt> <dd> <p>This option specifies the DSA parameter file to use. The parameters in this file determine the size of the private key. DSA parameters can be generated and examined using the <strong>openssl dsaparam</strong> command.</p> </dd> </dl> <p> </p> <hr /> <h1><a name="notes">NOTES</a></h1> <p>DSA key generation is little more than random number generation so it is much quicker that RSA key generation for example.</p> <p> </p> <hr /> <h1><a name="see_also">SEE ALSO</a></h1> <p><em>dsaparam(1)</em>, <em>dsa(1)</em>, <em>genrsa(1)</em>, <em>rsa(1)</em></p> <p> </p> <hr /> <h1><a name="copyright">COPYRIGHT</a></h1> <p>Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved.</p> <p>Licensed under the OpenSSL license (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 <a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>.</p> </body> </html>