Encryption And Decryption
Download as PPT, PDF15 likes29,916 views
This document discusses encryption and decryption. It was developed by four students and submitted to their professor. The document introduces encryption as converting plaintext to ciphertext and decryption as converting ciphertext back to plaintext. It explains that encryption uses a key to scramble the plaintext and decryption uses the same key to unscramble the ciphertext to retrieve the original plaintext. The document also briefly mentions the feasibility study, methodology, purpose of providing security, and system requirements for the encryption/decryption software.
Encryption And Decryption
- 1. Text Encryption and Decryption Developed By: Shashi Kr. Singh (1150986) Sandeep Prasad (1150980) Sumit Kumar (1150994) Rishabh Anand (1150967) Submitted To: Rupinder Kaur Gurm Department of Computer Science RIMT-Institute of Engineering & Technology Punjab ( India.)
- 2. Table of Content 1. Introduction 2. Text Encryption 3. Text Decryption 4. Feasibility-Study 5. Methodology 6. Purpose of Project 7. System Requirements
- 3. Introduction Encryption The process of converting plaintext into ciphertext The process of converting ciphertext into plaintext plaintext message ciphertext message Encryption Decryption Decryption
- 4. Text Encryption • Encryption is a process whereby plaintext is converted into or ciphertext. Key K Plaintext X Encryption Ciphertext Y The original unaltered contents of the message or text is called plaintext.
- 5. Text Decryption • Decryption is the reverse process of encryption or encipherment, which is to convert ciphertext back to its original form of plaintext. Key K Ciphertext Y Decryption Plaintext X The altered text after encryption is called as enciphered text or ciphertext.
- 6. Text Decryption • Decryption process needs to use the same key that is used in the encryption process to obtain the original plaintext. • Although one may obtain a copy of the encrypted message, one must use the correct key to successfully decrypt the message.
- 8. Methodology
- 9. Purpose of Project • Provides security • File encryption • Communication encryption • Network traffic encryption • Password manager • Single sign-on
- 10. System Requirements Software Requirements • Turbo C & C++ and Dev-C • Works on Windows 7, XP, Vista and 8 • Works on 64 bit Windows & 32 bit Windows • Mac OS X 10.3 and above Hardware Requirements • Intel Pentium 4 or above • Floppy-Drive • CD-ROM drive • 10 GB of free hard-disk • keyboard and mouse • RAM(minimum 512 MB)
- 11. Friends…. Any Question ?