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Perform collision resistance analysis

Assignment Help JAVA Programming
Reference no: EM131707968

Cryptography

Overview

In this assignment you will develop an event based onetime password (OTP) system. The system consists of the following components:

1. A soft OTP token UI which consists of a push button and a display control. Clicking on the button will generate and display the onetime password.

2. A test UI which will prompt the user to provide the OTP, show access granted message only if the right OTP is entered.

You will need to do the following:

1. Develop, build and test the UI components.

2. Implement a synchronization mechanism if the two apps get out of sync.

3. Perform Collision Resistance analysis on the OTP generation algorithm.

Use the following algorithm to generate the OTPs:

Feedback One-Time Password Algorithm (FOTP)

Hash Feedback One-Time Password Algorithm described in the following chart. Secret key is used as the initialization vector. The first OTP is generated by hashing this vector. The second OTP is generated by hashing the hash generated by the first the 1st OTP, and so on. The OTP is calculated by truncating the hash into a six digit value.

1911_figure.jpg

Collision Resistance

This property describes the probability of generating the same OTP over a period of time. A good OTP generation algorithm should demonstrate strong collision resistance. Two metrics are calculated in N number of OTPs:

CR1: the number of similar OTPs in N.

CR2: the number of similar two consecutive OTPs in N (Optional +5%).

You will need to submit the following:

1. Complete source code and screen captures of the running program.

2. A study of the collision property. Generate 1,000,000 OTPs using your application. Show a graph describing how the collision properties evolve as the number of OTPs increases.

Verified Expert

Solution is about creating Hash Feedback One-Time Password and analysis of collision property. I have programmed algorithm and created GUI for generation and testing of OTP. My solution will generate 6 digit OTP. This algorithm provides better way to create OTP using secret key and feed-back hash and By this we can achieve maximum randomization in our OTP which enhances security. We can use this solution in web based application or cloud based application or stand-alone -application.

Reference no: EM131707968

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len1707968

11/6/2017 12:06:05 AM

event based one time password should be developed using algorithm 1. Complete source code and screen captures of the running program. 2. A study of the collision property. Generate 1,000,000 OTPs using your application. Show a graph describing how the collision properties evolve as the number of OTPs increases.

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