{
    "mode": "man",
    "parameter": "EVP_MD-NULL",
    "section": "7ssl",
    "url": "https://www.chedong.com/phpMan.php/man/EVP_MD-NULL/7ssl/json",
    "generated": "2026-10-05T18:59:21Z",
    "sections": {
        "NAME": {
            "content": "EVPMD-NULL - The NULL EVPMD implementation\n",
            "subsections": []
        },
        "DESCRIPTION": {
            "content": "Support for a NULL digest through the EVPMD API.  This algorithm does nothing and returns 1\nfor its init, update and final methods.\n",
            "subsections": [
                {
                    "name": "Algorithm Name",
                    "content": "The following algorithm is available in the default provider:\n\n\"NULL\"\n"
                },
                {
                    "name": "Gettable Parameters",
                    "content": "This implementation supports the common gettable parameters described in EVPMD-common(7).\n"
                }
            ]
        },
        "SEE ALSO": {
            "content": "EVPMDCTXsetparams(3), provider-digest(7), OSSLPROVIDER-default(7)\n",
            "subsections": []
        },
        "COPYRIGHT": {
            "content": "Copyright 2023 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\n3.0.13                                       2026-07-29                            EVPMD-NULL(7SSL)",
            "subsections": []
        }
    },
    "summary": "EVPMD-NULL - The NULL EVPMD implementation",
    "flags": [],
    "examples": [],
    "see_also": [
        {
            "name": "EVPMDCTXsetparams",
            "section": "3",
            "url": "https://www.chedong.com/phpMan.php/man/EVPMDCTXsetparams/3/json"
        },
        {
            "name": "provider-digest",
            "section": "7",
            "url": "https://www.chedong.com/phpMan.php/man/provider-digest/7/json"
        },
        {
            "name": "OSSLPROVIDER-default",
            "section": "7",
            "url": "https://www.chedong.com/phpMan.php/man/OSSLPROVIDER-default/7/json"
        }
    ]
}