RadioGatún is an algorithm invented in 2006 by Guido Bertoni, Joan Daemen, Michaël Peeters, Gilles Van Assche .

The algorithm was presented in/on NIST Second Cryptographic Hash Workshop, 2006.

The digests (hashes generated by this algorithm) are 32 to 1216 bits (4 to 152 Bytes) in length.

You can read more about it on this page.