This is a concise Python 3 programming tutorial for people who think that reading is boring. I try to show everything with simple code examples; there are no long and complicated explanations with ...

This follows the FF1 and FF3 schemes for Format Preserving Encryption outlined in the NIST Recommendation, released in March 2016. For FF1, it builds on and formalizes (differing from but remaining ...

An authorization letter is a kind of agreement between two people and is usually sent as proof that the person can act on someone else’s behalf. The workplace is ever-evolving, but the need for ...