🔐 SecureAuthService

A scalable and production-ready authentication module built with .NET 9, supporting JWT access/refresh tokens, Redis blacklist, OTP validation, and brute force attack protection.

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🚀 Features

• 🔐 Access & Refresh Token Generation (JWT)
• 🔁 Refresh Token Rotation with HTTP-only cookies
• 🔑 OTP Verification (via SMS / Email)
• 🧱 Modular, clean, and extensible architecture

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