Simple Socket Programming in Java using RSA

I have chat program that has simple client GUI and server GUI and their classes needed to communicate each other.

I want to add 2 features to my program

Using RSA Cryptosystem


- Each client should have unique private and public keys which are assigned by server automatically using RSA key generator

- Public keys can be accessed by everyone.

- After sender writes its message, client GUI should ask for public key of the receiver so that message will be sent to everybody, that connects to server, ,however can only be decrypted by its owner.

- Messages should be sent as Ciphertext to client and manually converted to Plaintext using Encrypt button by receiver

- If other clients try to decrypt the Ciphertext using their private keys result should be meaningless Plaintext

2-) File transfer feature (at least txt, word). Same as message sending process, text inside of these file should be decrypted and then sent as a Ciphertext.

Taidot: Salaustekniikat, Java

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About the Employer:
( 18 reviews ) London, United Kingdom

Projektin tunnus: #4282123

Myönnetty käyttäjälle:


I am a professional Java Developer with 6 years experience in Java technology. Check my detailed message in your inbox for my detailed bid description

60 $ USD 2 päivässä
(10 arvostelua)

12 freelanceria on tarjonnut keskimäärin 93 $ tähän työhön


Hi, I am JAVA expert and can surely help you here, Thank You

100 $ USD 4 päivässä
(157 arvostelua)

Please check your inbox. Thanks

80 $ USD 2 päivässä
(63 arvostelua)

Hi, I am expert in using RSA, DES, AES etc. It is a maximum 3 hours work for me. Thanks

50 $ USD 1 päivässä
(34 arvostelua)

Hi, please check your inbox. Thanks.

65 $ USD 3 päivässä
(22 arvostelua)

Senior java developer, it is very easy for me, I am online game developer, and the game is using java, please let me do this.

70 $ USD 2 päivässä
(8 arvostelua)

I have already done a chat program using Socket and server socket in java. You can see the screen shot in my port folio. Only minor updates is needed to change it as you needed. Feel free to contact me.

100 $ USD 4 päivässä
(1 arvostelu)

Hello, please check pm.

250 $ USD 3 päivässä
(2 arvostelua)

I have the required skills for this project and I can start now. Thank You!

75 $ USD 3 päivässä
(0 arvostelua)

Count me in.

50 $ USD 7 päivässä
(0 arvostelua)

Hello, I can help you.

100 $ USD 4 päivässä
(0 arvostelua)

Hi , i'm PKI Expert ,worked on RSA algorithm.

120 $ USD 10 päivässä
(0 arvostelua)