Sentinel Hardware Key
Sentinel Hardware Key (SHK) is the mainstream dongle model from Safe-Net Inc. Also, exists hybrid dongle models, like Sentinel Hardware Key + UltraPro and some others.
The key has some user memory and supports well-known crypto algorithms like AES and ECDSA.
Sentinel Hardware Key protected software may be cracked using dongle emulators.
Use step-by-step instruction to backup public key data.