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Apr 9, 2026 · Information Security
Designing Practical Encrypted Storage for Sensitive User Data
This article explains why encrypting sensitive fields like passwords, phone numbers, and ID numbers is essential, details a balanced approach using AES‑GCM encryption, HMAC indexes, and masked fields, and shares real‑world lessons from implementing the solution in a production system.
AES-GCMHMACdata masking
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