Guardant Fidus / Stealth

This key is first key of Stealth series, produced by Active company. Has set of predefined algorithms unique for the key lot. It was replaced by Stealth II key. Stealth keys allow set algorithm descriptors that change algorithms behavior. Both keys can be emulated as well as custom designed solutions, based on this ASIC.

At least Credo Topoplan and Galaxy software products use custom designed solutions, based on Stealth technology.