[Discuss-gnuradio] gr_crc16 implemented ?

[Cheetah L]

Hi all, 

I need to check payload data with only 2 crc bytes. But there is only
the gr_crc32 module in gnuradio core with an algorithm that uses a
table array with 256 elements. I wonder if there is anyone who has had
a similar 
problem and implemented a gr_crc16 ? I am unfamiliar on how the algorithm works in the gr_crc32.

Thanks in advance,

C