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Wednesday, July 22, 2020

RSA w/ JAVA


Public Key Cryptography w/ JAVA (tutorial 02) - RSA

prototypeprj.com = zaneacademy.com (version 2.0)

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

19:33 code the client side
19:43 calculate the private key d
19:53 calculate phi
20:18 generate the public key
21:49 encrypt/decrypt message
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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quickly download, import into Eclipse, and run zip file for
'Public Key Cryptography w/ JAVA (tutorial 02) - RSA'
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