feat: add AES-256-CBC encryption utility for sensitive data at rest#263
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DebasmitaBose0 wants to merge 1 commit into
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feat: add AES-256-CBC encryption utility for sensitive data at rest#263DebasmitaBose0 wants to merge 1 commit into
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- Create server/utils/encryption.js with encrypt() and decrypt() functions - Use Node.js built-in crypto module (no extra dependencies) - Derive 256-bit key from ENCRYPTION_KEY env var (supports raw 32-byte hex or auto-hashes shorter keys) - Use random 16-byte IV per encryption for semantic security - Store output as iv:hex format for safe DB/string storage - Include key generation command in error message for easy setup
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Closes #251
Description
Creates a reusable server-side encryption/decryption module using standard Node.js native crypto libraries.
Changes
Uses AES-256-CBC with keys derived from the ENCRYPTION_KEY environment variable.
Implements a unique 16-byte random IV initialization vector per encryption for semantic security.
Formats output as iv:hex for secure string storage.