
Encryption that knows where it is.
Post-quantum key derivation bound to verified physical location, registered hardware, and authorised time. Not a policy layer. A cryptographic constraint.
Three-Factor Entropy-Fused Geo-Fenced Encryption
GNSS
Location verified
TPM
Awaiting input
T+
Awaiting input
encrypt sequence / Acquire signals
Active Threat Context
GNSS Interference
GNSS spoofing and jamming incidents have increased across multiple regions. Location-based trust assumptions are under active attack.
Harvest-Now, Decrypt-Later
Adversaries are collecting encrypted data today, waiting for quantum capability. PQC migration pressure is real and time-sensitive.
PQC Migration Pressure
NIST finalised ML-KEM and ML-DSA in 2024. Organisations not migrating to post-quantum key establishment are exposed.
Credential Portability Failure
Valid credentials used from unauthorised locations represent a structural gap that policy-based access control cannot close cryptographically.
Policy-based access control has structural gaps.
Identity and access management controls who is allowed. It does not change whether the key can be re-derived at all. A stolen credential, a cloned device, or an intercepted session token used from outside the authorised boundary can still unlock protected data.
GFAE addresses this at the key derivation layer. The decryption key itself becomes impossible to re-derive outside the authorised physical, hardware, and temporal context.
Harvest-Now, Decrypt-Later
Quantum-era threat to today's encrypted data.
Location Spoofing
Software-layer geolocation trivially bypassed.
Device Cloning
Credential stores copied without hardware root.
Stolen Credentials
Valid tokens used from any global location.
Four inputs enter. One bound key emerges.
A post-quantum secret is fused with verified location context, hardware attestation, and an authorised time window. Switch between encryption and decryption below to see why copied ciphertext is not enough.
Full technical architectureLive concept visualisation
Choose a direction and watch the gating sequence resolve.
PQC secret
ML-KEM-1024
Signal context
GNSS integrity
Hardware root
TPM 2.0
Time epoch
Window T+04
HKDF-SHA-512
Generating post-quantum shared secret
Ciphertext output
Awaiting fused key material...
Concept-level visualisation. Missing or invalid location, hardware, or time input produces no usable key output.
Attack-to-GFAE Matrix
Selected entries. Full matrix includes 10 attack scenarios across all sectors.
| Attack / Failure Mode |
|---|
| GNSS Spoofing / Signal Injection |
| Harvest-Now, Decrypt-Later (HNDL) |
| Stolen Device / Credential Theft |
| Device Cloning / Emulation |
| Cloud Region / Data Residency Enforcement Gap |

Core Concept
Compliance-by-Geometry
The authorised operating boundary is not just written in policy. It becomes part of the cryptographic enforcement condition.
In regulated environments, data access is governed by geographic boundaries: a healthcare facility, a national jurisdiction, a secure zone. GFAE makes those boundaries real, not as policy rules enforced after the fact, but as cryptographic constraints baked into key derivation. The regulatory boundary and the encryption boundary become the same boundary.
Where GFAE applies
GFAE is designed for environments where physical location, hardware identity, and time are legitimate security constraints, not just policy aspirations.
How GFAE differs
GFAE is not a VPN replacement, an IAM upgrade, or a DRM system. It addresses a specific cryptographic layer that none of these cover.
| Capability | GFAE | VPN | IAM | Geo DRM | Cloud Policy |
|---|---|---|---|---|---|
| Post-quantum key establishment | |||||
| TPM hardware binding | |||||
| Live physical signal context | |||||
| Time-window key derivation | |||||
| Fail-closed design | |||||
| Cryptographic boundary enforcement | |||||
| Anti-spoofing awareness |
Partial (|) indicates limited or optional capability. GFAE complements, not replaces, VPN, IAM, and cloud policy layers.
Technical Standards & Context
Founded by
Dhruv Saini
Founder & Inventor, GFAE Global
MSc Cyber Security, University of Surrey
Evaluate GFAE for your organisation.
Technical briefings, NDA disclosure, and pilot discussions available. Suitable for defence innovation reviewers, CISOs, healthcare data governance, space operators, and critical infrastructure evaluators.
Patent Pending | GB2610661.7 · Independent research by Dhruv Saini