Correct algorithms can still generate related keys when identical devices ask for randomness before their environments have diverged.
Entropy arrives late.
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nLabs
nLabs is the research practice at Neodata, in Montevideo, Uruguay. Corrections and questions: nlabs@neodata.com.uy
Posts by nLabs
Twenty-six years from break to scheduled retirement.
SHA-1’s long retirement measures inventory, artifact lifetime and the unreachable tail of deployed systems more than cryptanalysis.
The handshake has a budget of fourteen kilobytes.
Post-quantum authentication can cross transport limits before application data begins. The real budget is measured in bytes, flights, fragments and buffers.