See identity-addressed encryption that eliminates key exchange, PKI certificates, and quantum-vulnerable public-key crypto, live in your browser.
HexaEight takes a different route: identity-addressed encryption with no key exchange.
How do you share the password securely? You need another encrypted channel: a circular dependency.
Public/private keypairs require Certificate Authorities, renewal cycles, and revocation infrastructure.
Each party derives keys from its own password plus platform-issued key material. Different passwords decrypt the same message — with no shared secret and no public-key exchange for a quantum computer to target.
No installation required. Run directly in your browser.
Watch Alice encrypt with her password and Bob decrypt with his different password, yet both get the same message. This is the breakthrough.
Zh-KyfbXqP-jbYxMIzKZAh9k2WgpUBWyQz2kaxwoU 1JdldryK9YQzyBNDnf!37JCYTpb.DohLvZw17SoRNX0ALOuXF7#Wn Both decrypt to: Hello Bob! Click the green "Run" button inside the demo to execute the code.
See how HexaEight signs content without PKI. Verify authentic JWTs and detect tampering instantly.
Click the green "Run" button inside the demo to execute the code.
Step-by-step: from Alice's password to Bob's plaintext.
Alice derives a channel secret from her password plus Bob's platform-issued key material, then encrypts with a standard AEAD cipher (AES-256-GCM by default).
The platform supplies Bob's key material based on his identity. The platform never sees Alice's password or the plaintext, and it is never in the message path.
The encrypted message can be stored anywhere: a database, message queue, or sent directly. No restrictions.
Bob derives the same channel secret from his own password plus Alice's key material — so his keys reconstruct the same plaintext, despite the two sides using different passwords.
The same process works in reverse. Bob can reply to Alice. Any identity can encrypt to any other identity.
Real-world throughput from the reference demo code. Performance improves at scale.
Hardware: Intel Xeon 8-core @ 2.5GHz, 30GB RAM