Implement Vigenere Cipher (computer security and cryptograph)

Implement the Encryption and Decryption algorithms for the Vigenere Cipher in Python or C or Java.

Your program should take as an input the (key,plaintext) from the terminal or from a file.

It should output the decrypted text.

Run your program for different plaintext and key length.

Your code should include necessary information for the reader to understand the code.

Habilidades: Seguridad informática, Criptografía, PHP, Arquitectura de software

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Información del empleador:
( 17 comentarios ) istanbul, Turkey

Nº del proyecto: #12748878

14 freelancers están ofertando el promedio de $30 para este trabajo


Hello, I can implement for you a Vigenere encryptor/decryptor using Python. The program will accept as input a text file and will encrypt/decrypt it. Thanks and let me know if you are interested to work with me, Más

$120 USD en 3 días
(104 comentarios)

Hello, I can do your task in C or Python. Prefer C. Can start working immediately and finish in 1-2 hours. Thanks.

$30 USD en 1 día
(47 comentarios)

Dear client, how are you? I am a C++ programmer and mathematician. Also Cryptography Specialist. No problem. Can provide perfect C Code. No question. Lets do. No problem. Can provide perfect C Code. No question. Le Más

$20 USD en 0 días
(16 comentarios)

A proposal has not yet been provided

$30 USD en 3 días
(19 comentarios)

Hello. More 20 years mathematics and programming experience. Made similar many times, but I need more details to set real time and price. Regards. ------------------------------------------------------------------ Más

$25 USD en 1 día
(15 comentarios)

Hello, I'm a C & Python programmer specialized in cryptography. I can write the encoder/decoder in C and Python. Looking forward for your reply.

$20 USD en 1 día
(12 comentarios)

We are running a well-reputed software house which consists of professional UI designers and developers. We have extensive experience in building incredible PHP based websites, Wordpress Websites web apps with a team o Más

$25 USD en 1 día
(1 comentario)

Hello there, I am a computer engineer with the hobby of developing cyber security related applications. I want to let you know that I can develop the application within one days. I am looking forward to work for you Más

$25 USD en 1 día
(3 comentarios)
$23 USD en 6 días
(0 comentarios)

Dear Client, Thanks for providing us opportunity to place bid over the project and communicate with [login to view URL] mainly deal in web development, SEO, Android App, software testing and graphic design. Our vision is to b Más

$23 USD en 6 días
(0 comentarios)

[login to view URL] abilities from [login to view URL] and experience with visual studio 2012 and 2015 ….androi Más

$49 USD en 0 días
(1 comentario)

im senior hsva developer and IT would be fun to help you

$35 USD en 3 días
(0 comentarios)

Have created a similar script before. Will deliver the script fast. Advanced knowledge in cryptography. I will create this project in minimum cost. Even though my skills are undervalued I am a beginner in freelancing a Más

$10 USD en 1 día
(0 comentarios)

I have participated in this project before so I'll be of use... I am able to implement the project in python

$20 USD en 1 día
(0 comentarios)

I can write you two concise functions in python 3. One which inputs the key and plaintext and returns ciphertext, and one which inputs the key and ciphertext and returns the plain text. The code will be easy to follow Más

$15 USD en 1 día
(0 comentarios)