Q-Courier
Strategizing your transition to a quantum-safe ecosystem.
Q-Courier Servers protect web and email communications from current and future quantum threats. By combining NIST-selected Post-Quantum Cryptography (PQC) with classical algorithms, these servers deliver hybrid security that ensures confidentiality, integrity, and authentication—while remaining fully compatible with existing clients.
Indigenously developed and standards-aligned, the solution provides a future-proof approach to secure HTTPS and S/MIME email communications, making it ideal for government, defense, telecom, and critical infrastructure.
We provide end-to-end Quantum-Resistant (QR) hardening for your digital infrastructure. By integrating PQC into TLS/SSL protocols and mail server encryption, we ensure that your emails, web traffic, and user credentials remain secure in a post-quantum world.
Key Highlights
- Quantum-safe TLS for web servers
- S/MIME email encryption with post-quantum signatures
- Hybrid cryptography (Classical + PQC) ensures backward compatibility
- NIST-selected PQC algorithms: Kyber (Key Exchange), Dilithium (Digital Signatures)
- High performance and low-latency for enterprise workloads
- Fully aligned with NIST PQC roadmap & ETSI PQC standards
| Specification Sheet | |
|---|---|
| Services | HTTPS, S/MIME Email |
| Cryptography | Hybrid (Classical + Post-Quantum) |
| Classical Algorithms | RSA, ECC |
| PQC Algorithms | CRYSTALS-Kyber (Key Exchange), CRYSTALS-Dilithium (Signatures) |
| Hash Algorithms | SHA-256, SHA-384, SHA-512 |
| TLS Support | TLS 1.2 / TLS 1.3 (PQC-ready) |
| Certificate Standard | X.509 v3 (for S/MIME) |
| Authentication | Certificate-based (S/MIME) |
| Backward Compatibility | Fully compatible with existing clients |
| Performance | Optimized for low latency and high throughput |
| Deployment Models | On-Premises, Private Cloud, Hybrid |
| Compliance Alignment | NIST PQC roadmap, ETSI PQC standards |
Why Q-Courier ?
Traditional TLS and S/MIME rely solely on classical algorithms, which are vulnerable to future quantum attacks. Our hybrid PQC solution ensures long-term confidentiality and authentication while allowing a smooth, compatible migration to quantum-safe communications.