Key - Iconset License

computed = hashlib.md5(data_part.encode()).hexdigest()[:4].upper() if computed != provided_checksum: return "valid": False, "reason": "Checksum mismatch"

| Storage method | Security | UX | Common in | |----------------|----------|----|------------| | Plaintext in .env | Low | Good | Dev tools | | Encrypted in local storage (e.g., Electron) | Medium | Good | Icon managers | | System keychain / credential manager | High | Good | CLI tools, design apps | | Server-side (never on client) | Highest | Requires login | SaaS icon services | iconset license key

ICON-2025-COM-3USR-7D3F9A2B1C | Field | Purpose | |-------|---------| | Prefix | Identifies product (e.g., ICON , NUC , FA-PRO ) | | Version / Year | License validity period | | License type | IND (individual), TEAM , ENT , EDU | | Seat count | Max number of users/machines | | Checksum / hash | Tamper-proofing | | Random block | Uniqueness per key | computed = hashlib