RSA Public Key Cryptography with Java 🚀

►screenshots: https://prototypeprj.blogspot.com/2020/07/rsa-w-java.html

00:10 demo prebuilt version of the application
03:15 how can a passive eavesdropper decrypt messages
04:20 how to compute inverse modulo of an integer using extended euclidean algorithm (EEA)
05:25 what is the Euler phi function
07:55 building a prime factorization crypto system
10:38 how to encrypt with RSA
11:00 how to decrypt with RSA
11:21 coding the application
14:12 code the server side
17:48 code the client side
18:56 calculate the private key d
19:12 calculate phi
19:26 generate the public key
22:30 handle receiving the public key of the other client
22:44 handle receiving messages from the other client
25:37 test run the application

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