Blog: AES-256-GCM Insights
Deep dives into AES-256-GCM authenticated encryption — how it protects data confidentiality and integrity entirely in the browser. Learn the technical foundations, security requirements, and safe usage patterns of this powerful mode. Visit the GitHub repository for the tool itself.
What Is AES-256-GCM and Why It Matters for Client-Side Security
An introduction to AES-256-GCM, the authenticated encryption mode that combines confidentiality and integrity in a single efficient pass — ideal for browser-based tools.
Read Article →How AES-GCM Achieves Authenticated Encryption
A technical look at the inner workings: Counter mode for encryption, Galois field hashing for authentication, and why the authentication tag protects against tampering.
Read Article →The Critical Role of the Nonce in AES-GCM
Understanding initialization vectors (nonces): why they must be unique, what happens on reuse, and practical strategies to avoid catastrophic security failures.
Read Article →Client-Side AES-256-GCM: Encryption in the Browser
How modern browsers use the Web Crypto API to perform AES-GCM operations entirely on the client — no server involvement, no data leakage.
Read Article →Best Practices for Using AES-GCM Safely
Key guidelines: never reuse nonces, choose strong keys, understand tag verification, and recognize the limits of deterministic derivation for testing purposes.
Read Article →Handling Large Messages with AES-GCM
Performance characteristics of AES-GCM in the browser, input size considerations (up to 1 MB in this utility), and why operations remain fast on modern hardware.
Read Article →Common Pitfalls and Security Warnings When Using AES-GCM
Avoiding weak keys, understanding why low-entropy phrases are risky for derivation, and why this tool emphasizes client-side warnings for safe usage.
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