rsa_encrypt_decrypt

Back in 2007, developer Brandon Staggs wrote a brilliant article about software licensing, showing how to implement what he calls a Partial Serial Number Verification System using the Delphi language.
Apparently the remarkable technique first appeared around 2003 in a set of slides by Chris Thornton, developer of the ClipMate software.

Years have passed, cryptography is more affordable, yet I would say that this approach to the Software Licensing problem is still valid in some businesses – besides the fact it’s fascinatingly clever.

In a nutshell, Brandon shows how to build a serial number (seed, keys, checksum), which verification in the final product is partial – so that a cracker will never be able to build a long lasting keygen.

I’ve ported the original code (written in Delphi) to Javascript.

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CC2015

Superstitious people in Italy think that seventeen is a bad luck number – yet I’m not gullible and I think it must be by chance that this Tip #17 is about the apparently, ehm, troublesome update to Creative Cloud 2015.

As follows is a checklist of common problems (both from the developer’s and user’s point of view – I’ve been in touch with quite a number of them both) and my own suggestions to stop worrying and love the bomb.

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AngularJS

CEP 5.2 has a bug (affecting Macs with non US keyboards) that prevents AngularJS to realize binding in HTML Panels when input fields are involved. New Zealand developer Kris Coppieters has been able to find a successful way to patch Angular and make it work – with his kind permission I’m going to share the instruction.

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