Quantum timeline calculator

Is your data already exposed?

Mosca's inequality: if x + y > z, data you encrypt today will still need protecting after a quantum computer could break it.

x — data shelf-life (years it must stay secret): 10

y — migration time (years to move to PQC): 5

z — years until a cryptographically relevant quantum computer: 10

Estimates of z vary widely. Expert surveys and agencies discuss ranges from under 10 to 30+ years, and nobody knows for sure. Try several values. Regulators' 2030–2035 targets assume it could come within roughly a decade.

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