{
    "mode": "info",
    "parameter": "EVP_KDF-X942-CONCAT",
    "section": "",
    "url": "https://www.chedong.com/phpMan.php/info/EVP_KDF-X942-CONCAT/json",
    "generated": "2026-07-05T13:33:31Z",
    "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\nused for key agreement to derive a key using input such as a shared\nsecret key and shared info.\n\nIdentity\n\"X942KDFCONCAT\" is the name for this implementation; it can be used\nwith the EVPKDFfetch() function.\n\nThis is an alias for \"X963KDF\".\n\nSee EVPKDF-X963(7) for a list of supported parameters and examples.\n",
            "subsections": []
        },
        "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\nthis file except in compliance with the License.  You can obtain a copy\nin the file LICENSE in the source distribution or at\n<https://www.openssl.org/source/license.html>.\n\n3.0.2                             2026-06-02         EVPKDF-X942-CONCAT(7SSL)",
            "subsections": []
        }
    },
    "summary": "EVPKDF-X942-CONCAT - The X942 Concat EVPKDF implementation",
    "flags": [],
    "examples": [],
    "see_also": []
}