The most popular one-time pad: Multiplicative congruential generator

Find a practical way of doing the One-Time Pad Cipher!
The One-Time Pad is the only cipher that has been mathematically proven to be unbreakable. However, until now, the One-Time Pad has been considered impractical for widespread use because it requires as much random key material, that must be distributed to all of the communicating parties, as the total combined length of all messages.
In this talk, Frank Rubin describes some of the methods from his book, Secret Key Cryptography, for getting past this obstacle. These methods let you generate cryptographically secure key streams while transmitting practical-sized generating keys.
This video is an excerpt from "The Unbreakable One-Time Pad Cipher" - a live streaming session by Frank Rubin. To watch the full video visit mng.bz/wyDO.
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This video references the book Secret Key Cryptography by Frank Rubin | mng.bz/d2JQ
To save 40% off this book use discount code: watchrubin40
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About the book:
Secret Key Cryptography teaches anyone how to create a wide range of ciphers-even if you have no background in math or creating codes. You’ll combine Secret Key techniques to achieve ciphers that are effectively uncrackable and avoid common pitfalls that result in strong-looking but weak ciphers. The book reveals scores of different cipher methods, including both historic examples and current innovations in the field.
In this fascinating book, you’ll learn how to efficiently encrypt and transmit very large files using fast stream ciphers, and discover alternatives to AES encryption. Simple language, optional mathematical sidebars, and fun-to-solve mini-ciphers help make learning serious cryptographic concepts both easy and engaging.

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4:46 What I Do is I label discs with bit positions and mark a 1 on one side and a zero on the other. Tumble them around in a coffee can for a few seconds, dump them out and read the binary off as a pair of hex digits.