This file is indexed.

/etc/strongswan.d/charon/ntru.conf is in libstrongswan-extra-plugins 5.6.2-1ubuntu2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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ntru {

    # Whether to load the plugin. Can also be an integer to increase the
    # priority of this plugin.
    load = yes

    # Number of pseudo-random bit requests from the DRBG before an automatic
    # reseeding occurs.
    # max_drbg_requests = 4294967294

    # The following parameter sets are available: x9_98_speed, x9_98_bandwidth,
    # x9_98_balance and optimum, the last set not being part of the X9.98
    # standard but having the best performance.
    # parameter_set = optimum

}