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The IV Your AES Bundle Hands You: Three Numbers That Decide Whether Your Text Round-Trips
You paste a plaintext string into an AES encryption tool, pick a passphrase, and a…
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The Bundle Your AES Key Should Have Shipped In: Why AES-256-GCM Is Not a Magic Word
AES-256-GCM is the easy part. The bundle format around it — IV, auth tag, key derivation, version field — is where 90% of real-world encryption failures live. Here is what a good bundle looks like and why the JSON wrapper is the actual feature.