Cryptography: The Science of Making and Breaking Codes

There are lots of different ways to encrypt a message, from early, simple ciphers to the famous Enigma machine. But it’s tough to make a code truly unbreakable.


  1. For a cypher, they have everyone in a mindset of converting a series of 8-bit bytes into another series of 8-bit bytes in the same order. What would be smart would be to convert a series of 8-bit bytes into a mix of 5,7,9&10 bits and append them together, and break them into 8-bit bytes and then scramble them in large batches using large tables for each and do multiple iterations using different tables.

  2. What if I own a website where people can make accounts and stuff, I hash the user's passwords using MD5 but I do it multiple times, for example:

    Password -> MD5 -> MD5 -> MD5

    So in turn the first MD5 string is hashed by the second MD5 string which is hashed by MD5 again, would this way of password hashing be secure enough to be used on my site?

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  4. I made symbols for the latin alphabet of english Hope you guys like this and i’ll send you a picture of the new symbols comment of you want to see this i have two of them but i forgot the last one and lost it

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