cyber security

Ukončen Zveřejněno před 5 lety K zaplacení v momentě doručení
Ukončen K zaplacení v momentě doručení

Part 1

• Input

– A given text file for plaintext or ciphertext (assume only 26 letters, no special

characters, numbers and punctuations)

– 3 substitution ciphers, M1,M2,M3

• M1 – left shift 3 letters

• M2 – Plain: a b c d e f g h i j k l m n o p q r s t u v w x y z

Cipher: D K V Q F I B J W P E S C X H T M Y A U O L R G Z N

• M3 – right shift 5 letters

– cycling pattern

• n=3: M1,M3,M2,M3; M1,M3,M2,M3;

• Output

– Encrypted ciphertext or decrypted plaintext

Part 2

• Input

– A given text file for plaintext or ciphertext

– A given depth of rail fence

• Output

– Encrypted ciphertext or decrypted plaintext

Encryption and Decryption using Polyalphabetic Ciphers by using C++ programming language:

Programování v C C++ programování Bezpečnost počítače Kryptografie

Identifikační číslo projektu: #17166571

O projektu

14 nabídek Projekt na dálku Aktivní před 5 lety

14 Freelnceři na tento projekt zveřejňují nabídky v průměru $40

utkarshkatiyar19

Hi, i can easily do both parts.

$50 USD za 1 den
(325 Recenzí)
7.1
hbxfnzwpf

I am very proficient in c and c++. I have 16 years c++ developing experience now, and have worked for more than 7 years. My work is online game developing, and mainly focus on server side, using c++ under Linux environ Další

$100 USD za 1 den
(132 Recenzí)
6.9
liangjongai

Hi! I'm interesting your project very well. I am a full time devloper. I am mastering c++ and I'm a good Mathematician. And also I have many experience and good skill about algorithm development. Let's go ahead w Další

$30 USD za 1 den
(61 Recenzí)
6.0
swathi8118

I am a software developer by profession. I mainly work on c++.i can handle this project. Looking forward for a positive reply

$25 USD za 1 den
(1 recenze)
1.0
nirajlathiya7

hello sir/mam your project can be done within 6 to 7hrs, I hope to see you in inbox. kind regards, Niraj. thank you

$25 USD za 1 den
(0 Recenzí)
0.0
manjunath199712

i can do this in either c or using python programming but i cant in c++ since i do not know the basics of c++ ,i guarantee that i can do this work in either c or python for sure give a try with me ,i am a beginner and Další

$40 USD za 1 den
(0 Recenzí)
0.0
benmarbihamza

hey sir i'm good in c and c++ under windows and lunix and also good in math an cryptography i can easily do both parts. when i complete your project you can check and accept me message me to start

$30 USD za 1 den
(0 Recenzí)
0.0
vasilyalevizos

I have done many crypto projects in the past in my bachelor. Please don't hesitate to ask me if you are interesting and provide me full details on what you need me to do, because I think something missing from your des Další

$88 USD za 2 dní
(0 Recenzí)
0.0
omkarjpathak

Over 8 years of software development experience across various domains. Primary skills include C/C++ on Windows as well as Linux platform. Good at shell scripting. Expert in debugging.

$25 USD za 1 den
(0 Recenzí)
1.1
NeosIII

Can be easily done with a command line program. C++, did this stuff in my intro to programming class.

$20 USD za 1 den
(0 Recenzí)
0.0