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    mcrypt_generic_init

    (PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)

    mcrypt_generic_init — This function initializes all buffers needed for encryption

    Warnung

    Diese Funktion wurde in PHP 7.1.0 als DEPRECATED (veraltet) markiert und wurde in PHP 7.2.0 ENTFERNT. Von der Verwendung dieser Funktion wird dringend abgeraten.

    Beschreibung

    mcrypt_generic_init(resource $td, string $key, string $iv): int

    You need to call this function before every call to mcrypt_generic() or mdecrypt_generic().

    Parameter-Liste

    td
    The encryption descriptor.
    key
    The maximum length of the key should be the one obtained by calling mcrypt_enc_get_key_size() and every value smaller than this is legal.
    iv
    The IV should normally have the size of the algorithms block size, but you must obtain the size by calling mcrypt_enc_get_iv_size(). IV is ignored in ECB. IV MUST exist in CFB, CBC, STREAM, nOFB and OFB modes. It needs to be random and unique (but not secret). The same IV must be used for encryption/decryption. If you do not want to use it you should set it to zeros, but this is not recommended.

    Rückgabewerte

    The function returns a negative value on error: -3 when the key length was incorrect, -4 when there was a memory allocation problem and any other return value is an unknown error. If an error occurs a warning will be displayed accordingly. false is returned if incorrect parameters were passed.

    Siehe auch

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