{
    "mode": "man",
    "parameter": "EVP_KDF-X942-CONCAT",
    "section": "7ssl",
    "url": "https://www.chedong.com/phpMan.php/man/EVP_KDF-X942-CONCAT/7ssl/json",
    "generated": "2026-06-03T02:35:51Z",
    "sections": {
        "NAME": {
            "content": "EVPKDF-X942-CONCAT - The X942 Concat EVPKDF implementation\n",
            "subsections": []
        },
        "DESCRIPTION": {
            "content": "The EVPKDF-X942-CONCAT algorithm is identical to EVPKDF-X963. It is used for key agreement\nto derive a key using input such as a shared secret key and shared info.\n",
            "subsections": [
                {
                    "name": "Identity",
                    "content": "\"X942KDFCONCAT\" is the name for this implementation; it can be used with the EVPKDFfetch()\nfunction.\n\nThis is an alias for \"X963KDF\".\n\nSee EVPKDF-X963(7) for a list of supported parameters and examples.\n"
                }
            ]
        },
        "HISTORY": {
            "content": "This functionality was added to OpenSSL 3.0.\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                                        2026-04-07                    EVPKDF-X942-CONCAT(7SSL)",
            "subsections": []
        }
    },
    "summary": "EVPKDF-X942-CONCAT - The X942 Concat EVPKDF implementation",
    "flags": [],
    "examples": [],
    "see_also": []
}