Writing an industrial strength encryption algorithm is hard. However that doesn't mean it isn't a fun little exercise to try to understand some of the problems, challenges and pitfalls.

Background videos:
-- Power of XOR: [ Ссылка ]
-- How does encryption work? [ Ссылка ]
-- How does public key cryptography work? [ Ссылка ]

00:00 - Intro
02:53 - Stream vs Block Ciphers
04:32 - XOR
05:40 - Random numbers
07:17 - LFSR
17:41 - Oceantoo's LFSRs
21:19 - Seed
26:13 - Source Code
28:20 - Outro

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