{ "content": [ { "type": "text", "text": "# openssl-dsaparam (man)\n\n## NAME\n\nopenssl-dsaparam - DSA parameter manipulation and generation\n\n## SYNOPSIS\n\nopenssl dsaparam [-help] [-inform DER|PEM] [-outform DER|PEM] [-in filename] [-out filename]\n[-noout] [-text] [-genkey] [-verbose] [-rand files] [-writerand file] [-engine id] [-provider\nname] [-provider-path path] [-propquery propq] [numbits]\n\n## DESCRIPTION\n\nThis command is used to manipulate or generate DSA parameter files.\n\n## Sections\n\n- **NAME**\n- **SYNOPSIS**\n- **DESCRIPTION**\n- **OPTIONS** (14 subsections)\n- **SEE ALSO**\n- **HISTORY**\n- **COPYRIGHT**\n\nUse structuredContent.sections for detailed options, examples, and full documentation.\n" } ], "structuredContent": { "command": "openssl-dsaparam", "section": "", "mode": "man", "summary": "openssl-dsaparam - DSA parameter manipulation and generation", "synopsis": "openssl dsaparam [-help] [-inform DER|PEM] [-outform DER|PEM] [-in filename] [-out filename]\n[-noout] [-text] [-genkey] [-verbose] [-rand files] [-writerand file] [-engine id] [-provider\nname] [-provider-path path] [-propquery propq] [numbits]", "tldr_summary": null, "tldr_examples": [], "tldr_source": null, "flags": [ { "flag": "", "long": null, "arg": null, "description": "Print out a usage message." }, { "flag": "", "long": null, "arg": null, "description": "The DSA parameters input format; unspecified by default. See openssl-format-options(1) for details." }, { "flag": "", "long": null, "arg": null, "description": "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." }, { "flag": "", "long": null, "arg": null, "description": "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." }, { "flag": "", "long": null, "arg": null, "description": "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." }, { "flag": "", "long": null, "arg": null, "description": "This option inhibits the output of the encoded version of the parameters." }, { "flag": "", "long": null, "arg": null, "description": "This option prints out the DSA parameters in human readable form." }, { "flag": "", "long": null, "arg": null, "description": "This option will generate a DSA either using the specified or generated parameters." }, { "flag": "", "long": null, "arg": null, "description": "Print extra details about the operations being performed." }, { "flag": "", "long": null, "arg": null, "description": "See \"Random State Options\" in openssl(1) for details." }, { "flag": "", "long": null, "arg": null, "description": "See \"Engine Options\" in openssl(1). This option is deprecated. numbits This option specifies that a parameter set should be generated of size numbits. It must be the last option. If this option is included then the input file (if any) is ignored." }, { "flag": "", "long": null, "arg": null, "description": "" }, { "flag": "", "long": null, "arg": null, "description": "" }, { "flag": "", "long": null, "arg": null, "description": "See \"Provider Options\" in openssl(1), provider(7), and property(7)." } ], "examples": [], "see_also": [ { "name": "openssl", "section": "1", "url": "https://www.chedong.com/phpMan.php/man/openssl/1/json" }, { "name": "openssl-pkeyparam", "section": "1", "url": "https://www.chedong.com/phpMan.php/man/openssl-pkeyparam/1/json" }, { "name": "openssl-gendsa", "section": "1", "url": "https://www.chedong.com/phpMan.php/man/openssl-gendsa/1/json" }, { "name": "openssl-dsa", "section": "1", "url": "https://www.chedong.com/phpMan.php/man/openssl-dsa/1/json" }, { "name": "openssl-genrsa", "section": "1", "url": "https://www.chedong.com/phpMan.php/man/openssl-genrsa/1/json" }, { "name": "openssl-rsa", "section": "1", "url": "https://www.chedong.com/phpMan.php/man/openssl-rsa/1/json" } ], "section_outline": [ { "name": "NAME", "lines": 2, "subsections": [] }, { "name": "SYNOPSIS", "lines": 4, "subsections": [] }, { "name": "DESCRIPTION", "lines": 5, "subsections": [] }, { "name": "OPTIONS", "lines": 1, "subsections": [ { "name": "-help", "lines": 2 }, { "name": "-inform", "lines": 3 }, { "name": "-outform", "lines": 6 }, { "name": "-in", "lines": 4 }, { "name": "-out", "lines": 3 }, { "name": "-noout", "lines": 2 }, { "name": "-text", "lines": 2 }, { "name": "-genkey", "lines": 2 }, { "name": "-verbose", "lines": 2 }, { "name": "-rand -writerand", "lines": 2 }, { "name": "-engine", "lines": 6 }, { "name": "-provider", "lines": 1 }, { "name": "-provider-path", "lines": 1 }, { "name": "-propquery", "lines": 2 } ] }, { "name": "SEE ALSO", "lines": 3, "subsections": [] }, { "name": "HISTORY", "lines": 4, "subsections": [] }, { "name": "COPYRIGHT", "lines": 9, "subsections": [] } ], "sections": { "NAME": { "content": "openssl-dsaparam - DSA parameter manipulation and generation\n", "subsections": [] }, "SYNOPSIS": { "content": "openssl dsaparam [-help] [-inform DER|PEM] [-outform DER|PEM] [-in filename] [-out filename]\n[-noout] [-text] [-genkey] [-verbose] [-rand files] [-writerand file] [-engine id] [-provider\nname] [-provider-path path] [-propquery propq] [numbits]\n", "subsections": [] }, "DESCRIPTION": { "content": "This command is used to manipulate or generate DSA parameter files.\n\nDSA parameter generation can be a slow process and as a result the same set of DSA parameters\nis often used to generate several distinct keys.\n", "subsections": [] }, "OPTIONS": { "content": "", "subsections": [ { "name": "-help", "content": "Print out a usage message.\n" }, { "name": "-inform", "content": "The DSA parameters input format; unspecified by default. See openssl-format-options(1)\nfor details.\n" }, { "name": "-outform", "content": "The DSA parameters output format; the default is PEM. See openssl-format-options(1) for\ndetails.\n\nParameters are a sequence of ASN.1 INTEGERs: p, q, and g. This is compatible with RFC\n2459 DSS-Parms structure.\n" }, { "name": "-in", "content": "This specifies the input filename to read parameters from or standard input if this\noption is not specified. If the numbits parameter is included then this option will be\nignored.\n" }, { "name": "-out", "content": "This specifies the output filename parameters to. Standard output is used if this option\nis not present. The output filename should not be the same as the input filename.\n" }, { "name": "-noout", "content": "This option inhibits the output of the encoded version of the parameters.\n" }, { "name": "-text", "content": "This option prints out the DSA parameters in human readable form.\n" }, { "name": "-genkey", "content": "This option will generate a DSA either using the specified or generated parameters.\n" }, { "name": "-verbose", "content": "Print extra details about the operations being performed.\n" }, { "name": "-rand -writerand", "content": "See \"Random State Options\" in openssl(1) for details.\n" }, { "name": "-engine", "content": "See \"Engine Options\" in openssl(1). This option is deprecated.\n\nnumbits\nThis option specifies that a parameter set should be generated of size numbits. It must\nbe the last option. If this option is included then the input file (if any) is ignored.\n" }, { "name": "-provider", "content": "" }, { "name": "-provider-path", "content": "" }, { "name": "-propquery", "content": "See \"Provider Options\" in openssl(1), provider(7), and property(7).\n" } ] }, "SEE ALSO": { "content": "openssl(1), openssl-pkeyparam(1), openssl-gendsa(1), openssl-dsa(1), openssl-genrsa(1),\nopenssl-rsa(1)\n", "subsections": [] }, "HISTORY": { "content": "The -engine option was deprecated in OpenSSL 3.0.\n\nThe -C option was removed in OpenSSL 3.0.\n", "subsections": [] }, "COPYRIGHT": { "content": "Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.\n\nLicensed under the Apache License 2.0 (the \"License\"). You may not use this file except in\ncompliance with the License. You can obtain a copy in the file LICENSE in the source\ndistribution or at .\n\n\n\n3.0.2 2026-06-02 OPENSSL-DSAPARAM(1SSL)", "subsections": [] } } } }