Google on Tuesday announced the first quantum resilient FIDO2 security key implementation as part of its OpenSK initiative.
The company’s proposed scheme uses a combination of Elliptic Curve Digital Signature Algorithm (ECDSA) and the recently standardized quantum resistant signature algorithm, Dilithium.
OpenSK is an open-source implementation for security keys written in Rust that supports both FidO U2F and FIDOO2 standards.
Google says it now has a clear path to secure security keys against quantum attacks.
Similar to how Chrome’s key generation mechanism is a hybrid of X25519 and Kyber-768, Google’s proposed FIDOSK implementation is a mix of ECC/Dilithium with a new signature technique called hybrid signing.
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