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Handling Encryption Keys with Cloud KMS

The process of encrypting and decrypting files requires cryptographic keys. Google Cloud’s Key Management Service (Cloud KMS) allows you to generate, use, rotate, and destroy cryptographic keys in a variety of formats. Managing the keys is another challenge, one that Cloud KMS meets with its ability to create keyrings as well as keys. In this hands-on lab, we’ll establish a new keyring and key, use them to encrypt a formerly top-secret file, and then decrypt the encrypted version.


Path Info

Clock icon Beginner
Clock icon 30m
Clock icon Jun 14, 2019

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Table of Contents

  1. Challenge

    Enable Cloud KMS

    1. From the main Google Cloud console navigation, choose APIs & Services > Library.
    2. Search for KMS, and enable the service.
  2. Challenge

    Create a Keyring and Key

    1. Activate the Cloud Shell by clicking its icon in the top navigation bar.
    2. In the Cloud Shell, create the initial keyring.
    3. Create a key for the new keyring.
    4. List the existing keys within the CLI.
  3. Challenge

    Retrieve the Example File

    1. Clone the GitHub repository: git clone
    2. Change directory to the content-gcpro-security-engineer/kms-encrypt-lab folder: cd content-gcpro-security-engineer/kms-encrypt-lab
    3. Open the Cloud Shell Editor by clicking the pencil icon.
    4. Review the file top-secret-ufo-1950.txt.
  4. Challenge

    Encrypt and Decrypt the File

    1. In the Cloud Shell, encrypt the top-secret-ufo-1950.txt file and set the name to top-secret-ufo-1950.txt.encrypted.
    2. Review the top-secret-ufo-1950.txt.encrypted file.
    3. In the Cloud Shell, decrypt the encrypted file and set the name to top-secret-ufo-1950.txt.decrypted.
    4. Review the top-secret-ufo-1950.txt.decrypted file.

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What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

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We will provide the credentials and environment necessary for you to practice right within your browser.

Guided walkthrough

Follow along with the author’s guided walkthrough and build something new in your provided environment!

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