Being fairly new to the cryptography and data security space, I have sampled a few "Introduction to cryptography" sites/textbooks and they all seem to start in the same general way:
- This is a Caesar Cipher
- This is Frequency Analysis
- This is rolling cipher encryption
- ...
- This is DES, 3DES, ...
- This is RSA. Oh, and by the way, for all intents and purposes, it's unbreakable.
I understand the educational value of explaining older ciphers and ciphers but in reality, if I need secure digital communication over an insecure channel, why would I ever use anything other than RSA?
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