Keeping Windows and macOS alive past their sell-by date

Some of the hints for older, unsupported OSes apply equally to both Mac and Windows. Both come with an assortment of bundled ...
Scientific Research Publishing

Secure Offline: A Hardware-Bound Cryptographic Framework for Software License Validation in Internet Constrained Educational Environments ()

The system employs HMAC-SHA256 (Hash-based Message Authentication Code using SHA-256) for license integrity verification. SHA-256 refers to the Secure Hash Algorithm producing 256-bit hash values (see ...