{
    "mode": "man",
    "parameter": "EVP_SIGNATURE-DSA",
    "section": "7",
    "url": "https://www.chedong.com/phpMan.php/man/EVP_SIGNATURE-DSA/7/json",
    "generated": "2026-06-15T13:16:07Z",
    "sections": {
        "NAME": {
            "content": "EVPSIGNATURE-DSA - The EVPPKEY DSA signature implementation\n",
            "subsections": []
        },
        "DESCRIPTION": {
            "content": "Support for computing DSA signatures.  See EVPPKEY-DSA(7) for information related to DSA\nkeys.\n",
            "subsections": [
                {
                    "name": "Signature Parameters",
                    "content": "The following signature parameters can be set using EVPPKEYCTXsetparams().  This may be\ncalled after EVPPKEYsigninit() or EVPPKEYverifyinit(), and before calling\nEVPPKEYsign() or EVPPKEYverify().\n\n\"digest\" (OSSLSIGNATUREPARAMDIGEST) <UTF8 string>\n\"properties\" (OSSLSIGNATUREPARAMPROPERTIES) <UTF8 string>\nThe settable parameters are described in provider-signature(7).\n\nThe following signature parameters can be retrieved using EVPPKEYCTXgetparams().\n\n\"algorithm-id\" (OSSLSIGNATUREPARAMALGORITHMID) <octet string>\n\"digest\" (OSSLSIGNATUREPARAMDIGEST) <UTF8 string>\nThe gettable parameters are described in provider-signature(7).\n"
                }
            ]
        },
        "SEE ALSO": {
            "content": "EVPPKEYCTXsetparams(3), EVPPKEYsign(3), EVPPKEYverify(3), provider-signature(7),\n",
            "subsections": []
        },
        "COPYRIGHT": {
            "content": "Copyright 2020-2021 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 <https://www.openssl.org/source/license.html>.\n\n\n\n3.0.2                                        2026-06-02                      EVPSIGNATURE-DSA(7SSL)",
            "subsections": []
        }
    },
    "summary": "EVPSIGNATURE-DSA - The EVPPKEY DSA signature implementation",
    "flags": [],
    "examples": [],
    "see_also": [
        {
            "name": "EVPPKEYCTXsetparams",
            "section": "3",
            "url": "https://www.chedong.com/phpMan.php/man/EVPPKEYCTXsetparams/3/json"
        },
        {
            "name": "EVPPKEYsign",
            "section": "3",
            "url": "https://www.chedong.com/phpMan.php/man/EVPPKEYsign/3/json"
        },
        {
            "name": "EVPPKEYverify",
            "section": "3",
            "url": "https://www.chedong.com/phpMan.php/man/EVPPKEYverify/3/json"
        },
        {
            "name": "provider-signature",
            "section": "7",
            "url": "https://www.chedong.com/phpMan.php/man/provider-signature/7/json"
        }
    ]
}