Effect of variable legnth keys on Advanced Encryption Standards (AES)

The project will deal with the results of variable length keys on Advanced Encryption Standards (AES). AES is supporting the block lengths of 128 bits and variable key lengths of 128, 192 and 256 bits. AES is critical and essential for safety of records. We advise to reconfigure the shape of the sup

Project Title

Effect of variable legnth keys on Advanced Encryption Standards (AES)

Project Area of Specialization

Software Engineering

Project Summary

The project will deal with the results of variable length keys on Advanced Encryption Standards (AES). AES is supporting the block lengths of 128 bits and variable key lengths of 128, 192 and 256 bits. AES is critical and essential for safety of records. We advise to reconfigure the shape of the superior encryption standard (AES), in particular in changing its keys with variable duration keys that may be used for each Encryption and Decryption. We show that adjustments can broaden new ciphers. We know, the usage of identical key in AES facilitates to clear up complexity faced all through ciphering and deciphering, however it nevertheless keeps the same degree of Confusion and Diffusion. Confusion and diffusion make the usage of key for this reason extra very complicated and really hard to find out it. The use of a single key additionally makes this process extra time efficient and variable rotation can protect data from continuous attempts to assault encryption algorithm. But we can report the effect of variable keys on AES.

Project Objectives

As you know this project deal with the results of variable length keys on Advanced Encryption Standards (AES). AES is supporting the block lengths of 128 bits and variable key lengths of 128, 192 and 256 bits. AES is critical and essential for safety of records. We advise to reconfigure the shape of the superior encryption standard (AES), in particular in changing its keys with variable duration keys that may be used for each Encryption and Decryption. We show that adjustments can broaden new ciphers. We know, the usage of identical key in AES facilitates to clear up complexity faced all through ciphering and deciphering, however it nevertheless keeps the same degree of Confusion and Diffusion. Confusion and diffusion make the usage of key for this reason extra very complicated and really hard to find out it. The use of a single key additionally makes this process extra time efficient and variable rotation can protect data from continuous attempts to assault encryption algorithm. But we can report the impact of variable keys on AES. The main objective of this paper is to know effect of variable key legnth with actual AES

Project Implementation Method

As AES is supporting the block lengths of 128 bits and key lengths of 128, 192 and 256 bits. AES is critical and essential for safety of records. Here, in this research, block length remains same but the length of key is being changed using the following formula

fr=(bi Xor bi + 1 mod 15)  - (Rmax -R)

Where

fr  is fuction

b is bit.

i= 0

Rmax is maximum round and R is currant round.

R=1,2…10.

Using the above algorithm, you will get negative and positive values.

If fr is equal or less then zero, XOR operation will perform on those byte in key expansion.

If fr is greater than zero, XOR operation is not performed on those bytes in key expansion 

Benefits of the Project

Benefits

As you know, AES is having key size of 128 bits, 192 bits and 256 bits but after this papar you get AES of varaible size that will be ranging between all these three sizes.

Technical Details of Final Deliverable

Following are the deliverable of this project

1. Project idea proposal 
2. Final year project part one submission 

Final Deliverable of the Project

HW/SW integrated system

Core Industry

Security

Other Industries

Others

Core Technology

Others

Other Technologies

Sustainable Development Goals

Industry, Innovation and Infrastructure

Required Resources

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