Lecture 2: Public-key Cryptography
![Lecture 2: Public-key Cryptography](https://i.ytimg.com/vi/OPPMp7lorTQ/sddefault.jpg)
Public-key cryptography
- How does it work?
- Public and private keys
- One-way functions
Public Key, Cryptography And Oneway Functions
The Caesar Cipher
C: Decryption Function
The Kerckhoff Principle
Known Plaintext Attack
How Cryptographic Systems Can Be Broken
To Prove Who We Are
An Insecure Channel
A Symmetric Key
Tehnician: Private Keys
Using Public Key Cryptography
Public And Private Key Pairs
Asymmetric Key Exchange
Tehnician: Web Of Trust
Cryptography And Public Key Cryptography