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Activity: Generating random values
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In this activity, we practice generating random values for hashing.
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Activity: Salting a hashed password
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In this activity, we use a salt to further protect our hashed password in our app.
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Activity: Encrypting data, Part 3 – Examining the UI and database classes
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We conclude our implementation of symmetric encryption by examining peripheral classes that helped make our encryption app possible.
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Activity: Storing secrets in Android Keystore
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In this activity, we implement Android Keystore.
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Activity: Encrypting data
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In this activity, we implement symmetric encryption in an app.
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Activity: Insecurely saving a username and password
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In this activity, we save a username and password in an easy but insecure way.
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Encryption overview
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In this lesson, we learn about basic encryption concepts.
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Android storage overview
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In this lesson, we examine Android storage, the Android directory structure and where user data is saved.
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Android Keystore
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In this lesson, we learn about Android Keystore.
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Activity: Hashing a password
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In this activity, we practice hashing a password in our app.
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Hashing
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In this lesson, we learn about hashing and random number generators.
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Activity: Encrypting data, Part 2
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We continue with our implementation of symmetric encryption.
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Android encryption overview
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In this lesson, we learn how to perform symmetric and asymmetric encryption in Kotlin.
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Protecting secrets
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In this lesson, we learn what secrets are and different ways to save and retrieve them.
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Understanding PKI
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In this lesson, we learn about the public-key infrastructure and how to obtain a certificate to sign and publish your app on Google Play.
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Syllabus
Syllabus
Course description
When considering a multilayer strategy for protecting user data, you should always start with the data itself. Encryption protects data whether it is at rest, in transit or in use. In this course, you will learn about the Android file system, how and where data can be saved and how to protect that data wherever it is found. You will examine a common mistake developers make when handling user credentials and other secrets. You will learn how to encrypt and validate user credentials in your app, ensuring that at an app level they are difficult to compromise. You will then learn how to leverage Android Keystore to safely store and retrieve credentials.
Meet the author
Chrys Thorsen is a technology and education consultant with 25 years of experience. Her work has taken her around the U.S. and overseas, including as a contractor for the CDC using technology to help fight HIV/AIDS in Africa.
During her career, she has acquired 40 IT certifications, authored over 25 textbooks on a wide range of IT subjects, including secure iOS and Android coding, and created an equal number of IT-related video courses. When not working, Chrys enjoys reading scientific articles and experimenting with Internet-of-Things devices. She currently lives in Virginia with her sister, her cat and her dog which, as she describes it, “have the worst sibling rivalry imaginable.”
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We use Infosec Skills to provide continuous training to our technicians and to prepare them for various certifications. Infosec Skills allows us to create personalized training programs that focus on each of our technicians’ particular roles and see their progress as they take courses. We also, recommend it to clients to make their IT support teams better.
Caleb Yankus
This has been utilized to bridge the skills gap across our cyber team and to aid them as they prepare for their various certifications. It also has provided a nice learning foundation for our various cyber team members to utilize as we continue to find ways for cross-utilization with operations while minimizing the downtime needed to ensure everyone’s knowledge is the same.
Daniel Simpson
We use Infosec Skills to provide base level knowledge for employees. We also use the services to provide in depth learning for employees as they encounter new technologies. If an employee is is assigned to a new project, we can rely on Infosec Skills to provide a rapid concentrated learning environment. This rapid concentrated learning positions our employees for success.
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