centos man page for struct_key_params

STRUCT 
KEY_PARAMS(9)					     Actions and configuration					      STRUCT KEY_PARAMS(9)

NAME
       struct_key_params - key information

SYNOPSIS
       struct key_params {
	 u8 * key;
	 u8 * seq;
	 int key_len;
	 int seq_len;
	 u32 cipher;
       };

MEMBERS
       key
	   key material

       seq
	   sequence counter (IV/PN) for TKIP and CCMP keys, only used with the get_key callback, must be in little endian, length given by
	   seq_len.

       key_len
	   length of key material

       seq_len
	   length of seq.

       cipher
	   cipher suite selector

DESCRIPTION
       Information about a key

AUTHOR
       Johannes Berg <johannes@sipsolutions.net>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						      STRUCT KEY_PARAMS(9)