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OAuth 2.0

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May 1, 2024 Updated May 11, 2025 22 minute read

OAuth 2.0 is an open standard for access delegation, commonly used as a way for internet users to grant websites or applications access to their information on other websites but without giving them the passwords. It provides an authorization framework that enables applications to obtain limited access to user accounts on an HTTP service. This means you can allow an application to access your photos on a cloud drive, for example, without sharing your account password with that application. Understanding OAuth 2.0 is becoming increasingly important in a world where digital services are deeply interconnected.

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Reading list

We've selected 20 books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in OAuth 2.0.
Provides a clear and concise introduction to the OAuth 2.0 framework, making it ideal for gaining a broad understanding. It covers the core concepts, authorization flows, and practical examples for building an OAuth 2.0 server. This great starting point for high school and undergraduate students, as well as professionals new to OAuth 2.0.
This guide delves into the motivations and history behind OAuth 2.0 and OpenID Connect, providing a professional-level understanding. It explains the 'why' behind the protocol details, which is crucial for making informed design decisions. is highly recommended for experienced developers and architects.
Building on OAuth 2.0, OpenID Connect is crucial for authentication. dives into implementing OpenID Connect to secure applications, covering various client types and security pitfalls. It's essential for understanding identity layer built on OAuth 2.0, suitable for those looking to deepen their knowledge beyond basic authorization.
Focuses on using OAuth 2.0 in the context of web applications, providing practical guidance on how to implement the protocol in a variety of scenarios.
Collection of the essential RFCs (Requests for Comments) related to OAuth 2.0, including the core specification and important security best practices. It provides the foundational documentation for a deep understanding of the protocol's origins and design decisions. While not a tutorial, it crucial reference for anyone needing to understand the official specifications, particularly valuable for graduate students and researchers.
Specifically addresses securing microservice architectures using OAuth2 and JWT. It provides a thorough exploration of these technologies in the context of modern distributed systems. This is highly relevant for professionals and graduate students working with microservices.
Specifically addresses security concerns in microservices architectures, including the application of OAuth 2.0 and OpenID Connect. It provides practical guidance for securing distributed systems using these protocols. Highly relevant for developers and architects working with microservices.
Specifically covers OpenID Connect, which is an identity layer built on top of OAuth 2.0. It's crucial for understanding how authentication is handled in conjunction with OAuth 2.0 for delegated authorization.
Provides an in-depth view of the OAuth 2.0 protocol from a client perspective, emphasizing practicality and security. It explores various client integration methods, caveats, and best practices. It valuable resource for developers looking to securely integrate with OAuth 2.0 service providers.
Offers practical recipes for implementing OAuth 2.0 in real-world scenarios, particularly using Spring Security and for Android applications. It covers interacting with public APIs, implementing an OAuth 2.0 provider, and securing mobile clients. This useful reference for developers seeking hands-on implementation guidance.
Provides a broader view of identity management, placing OAuth 2.0 within the context of other standards like OpenID Connect and SAML 2.0. It helps understand the landscape of modern authentication and authorization protocols. Useful for gaining a wider perspective on how OAuth 2.0 fits into enterprise identity solutions.
Focuses on designing RESTful APIs, which are often secured using OAuth 2.0. While not solely about OAuth 2.0, it provides essential context on API design principles that are relevant when implementing OAuth 2.0 for API security.
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