Security Articles

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Security

Understanding Hash Functions: MD5, SHA-1, SHA-256 Explained

A developer's guide to cryptographic hash functions: what they are, how they work, and choosing the right hash for your use case.

Jan 8, 2026 5 min read

Security

What Is HMAC? How Hash-Based Message Authentication Works

HMAC explained for developers: how it works, HMAC vs MAC, HMAC-SHA256 vs SHA-1, and how to verify signatures in your API.

Jan 7, 2026 12 min read

Security

Password Hashing & Salting Explained (How It Actually Works)

How password hashing and salting actually work — why fast hashes and plain encryption fail, and how bcrypt and Argon2 keep stored passwords safe.

Jan 6, 2026 8 min read

Security

JWT Tokens Explained: Structure, Signatures, Verification and Security

What a JSON Web Token is, its header, payload and signature, the standard claims, HS256 vs RS256, how to verify a JWT, common mistakes, and where to store tokens.

Jan 3, 2026 15 min read

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