Description
Another important means of maintaining security is through the use of public key infrastructure, or PKI. PKI is commonly used on the web (for such things as certificates) to ensure that traffic is securely encrypted prior to transmission. In this lab, you will experiment with PKI encryption techniques.
Follow the steps below to complete this assignment:
Open the Lab 8 Assessment Worksheet. Save a copy of the worksheet to your computer; this will allow you to fill it out electronically and save your answers. You will complete this worksheet and submit it to your instructor after you have completed the hands-on portion of the lab. However, it is strongly recommended that you read through the worksheet before you begin.
Click the Lab Access link below to enter the virtual lab environment.
Read through all of the material under the Intro and Steps tabs before you start working.
Follow the step-by-step instructions under the Steps tab to perform the lab. Note: You will not be completing a lab report, so you can disregard instructions to make screen captures.
After completing the hands-on lab, complete and submit the Lab 9 Assessment Worksheet. (Use the worksheet that you saved to your computer.) Be sure to save it again before submitting it.
For additional information on accessing and completing the lab, refer to the Student Lab Guide.
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LA B | Encrypt and Decrypt Files with PKI
LAB – ASSESSMENT WORKSHEET
Encrypt and Decrypt Files with PKI
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Overview
In this lab, you applied common cryptographic and hashing techniques to ensure message and file transfer
integrity and maximize confidentiality. You used GnuPG (GPG), a free encryption utility, to generate a public
key to encrypt and decrypt a message. You also used the public key infrastructure (PKI) to send secure
messages between two user accounts and verify the integrity of the received files. These tasks helped you
understand the use and management of public and private encryption keys for cryptography.
Lab Assessment Questions & Answers
1. In a scenario where Nancy and Matthew are using public key encryption, what keys does Nancy have the
ability to see?
2. In a scenario where Nancy and Matthew are using public key encryption, what keys does Matthew have
the ability to see?
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Assessment Worksheet
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3. If Nancy wishes to send a message to Matthew, what key does she use to encrypt the message?
4. If Matthew receives an encrypted message from Nancy, what key does he use to read it?
5. If Matthew wishes to send a message to Nancy, what key does he use to encrypt the message?
6. If Nancy receives an encrypted message from Matthew, what key does she use to read it?
Encrypt and Decrypt Files with PKI
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Explanation & Answer:
6 Questions
Tags:
PKI
Encrypt
Decrypt
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