New: Offline-first licensing with cryptographic validation. Learn more
Trusted by manufacturing, govtech, and medtech teams

Enterprise Airgap Security in a 2MB Rust Binary

Thales-level protection without the dongles. No 500MB driver packages, no hardware inventory, no USB port conflicts. Open source client for security audits.

0+

teams switched

0+

licenses validated

99.99%

uptime SLA

<50ms

avg response

Why enterprises choose Licenz

Zero Dependencies

2MB static binary. No JVM, .NET, or kernel drivers.

Security Team Approved

Open source client. No black boxes in your air-gapped network.

No Dongle Logistics

Software-only. No USB ports, shipping, or lost keys.

10-Minute Integration

Not weeks of SDK setup. Copy binary, validate licenses.

Trusted by teams in manufacturing, government, and healthcare

Modern alternative to legacy licensing

Compare Licenz to Thales Sentinel and Wibu CodeMeter

Feature
Licenz
Legacy Vendors
Installation size
2MB binary
500MB+ (drivers)
Hardware dongles
Not needed
$48-60+ each
Kernel drivers
None
Required
Open source client
True air-gap support
Public pricing

Built for high-security environments

From factory floors to classified networks

Industrial & Manufacturing

Air-gapped PLCs, SCADA systems, and CNC machines. No USB dongles on the factory floor.

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GovTech & Defense

Open source client for security audits. Self-hosted deployment for classified networks.

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MedTech & Healthcare

HIPAA-ready. Tamper-proof licenses for medical devices and diagnostic equipment.

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Enterprise-grade features

Security and simplicity, not security or simplicity

Airgap-First Design

Not an offline mode bolted onto an online system. Built from the ground up for disconnected environments.

Modern Cryptography

RSA-SHA256 and Ed25519 signatures. AES-256-GCM encryption. Pluggable crypto for future-proofing.

Hardware Binding

Lock licenses to specific machines. MAC, disk ID, hostname with weighted scoring and drift tolerance.

Open Source Verification

MIT-licensed client. Security teams can audit every line. No black boxes in your infrastructure.

Sneakernet Workflow

File-based activation for completely disconnected systems. Generate request, transfer, install response.

Time-Tampering Protection

Monotonic clock tracking with encrypted state. Detect and prevent clock rollback attacks.

Simple integration. Enterprise security.

Add license validation in minutes, not weeks

main.rs
use licenz::{LicenseVerifier, License};

fn main() -> Result<(), Box<dyn std::error::Error>> {
    // Your public key (safe to embed in binary)
    let public_key = include_str!("public_key.pem");

    // Create verifier with hardware binding
    let verifier = LicenseVerifier::new(public_key)?
        .with_hardware_binding();

    // Validate the license (works completely offline)
    let license = License::from_file("license.key")?;

    match verifier.verify(&license) {
        Ok(claims) => {
            println!("License valid for: {}", claims.licensee);
            if claims.features.contains("enterprise") {
                enable_enterprise_features();
            }
        }
        Err(e) => {
            eprintln!("License invalid: {}", e);
            std::process::exit(1);
        }
    }

    Ok(())
}

Ready for modern enterprise licensing?

Thales-level security. Developer-first simplicity. Transparent pricing.