Grostl is an algorithm invented by Praveen Gauravaram, Lars Knudsen, Krystian Matusiewicz, Florian Mendel, Christian Rechberger, Martin SchlÀffer, Soren S. Thomsen .
The digests (hashes generated by this algorithm) are 256 bits (32 Bytes) and 512 bits (64 Bytes) in length.
You can read more about it on this page.
Grostl is supported by Easy Hash: