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    openssl_pkey_export_to_file

    (PHP 4 >= 4.2.0, PHP 5, PHP 7)

    openssl_pkey_export_to_file — Gets an exportable representation of a key into a file

    설명

    bool openssl_pkey_export_to_file ( mixed $key , string $outfilename [, string $passphrase [, array $configargs ]] )

    openssl_pkey_export_to_file() saves an ascii-armoured (PEM encoded) rendition of key into the file named by outfilename.

    Note: 이 함수가 제대로 작동하려면 유효한 openssl.cnf을 설치해야 합니다. 자세한 정보는 설치 섹션의 주석을 살펴보십시오.

    인수

    key

    outfilename

    Path to the output file.

    passphrase

    The key can be optionally protected by a passphrase.

    configargs

    configargs can be used to fine-tune the export process by specifying and/or overriding options for the openssl configuration file. See openssl_csr_new() for more information about configargs.

    반환값

    성공 시 TRUE를, 실패 시 FALSE를 반환합니다.

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    User Contributed Notes 2 notes

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    -3
    StampyCode
    8 years ago
    On Linux (PHP5.6), this function will overwrite an existing keyfile, unless the keyfile is marked as read-only, in which case you will get an error:

        error:0200100D:system library:fopen:Permission denied
    up
    -6
    w3ricardo
    12 years ago
    You can't use this function to export a public key

    Warning: openssl_pkey_export_to_file(): supplied key param is a public key
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