Api Key Authentication With Constant Time Comparison

via “api-key-authentication-with-constant-time-comparison”

A computer you can curl ⚡

Unique: Uses constant-time comparison (hmac.compare_digest()) for API key validation to prevent timing attacks, implemented as a FastAPI dependency that transparently enforces authentication across all protected endpoints

vs others: Simpler than OAuth2/JWT but less flexible because it uses a single shared key; more secure than naive string comparison because constant-time comparison prevents attackers from inferring key characters via timing analysis