thumbnail|Rockex equipment Rockex, or Telekrypton, was an offline one-time tape Vernam cipher machine known to have been used by Britain and Canada from 1943. It was developed by Canadian electrical engineer Benjamin deForest Bayly, working during the war for British Security Coordination.
thumbnail|Rockex equipment Rockex, or Telekrypton, was an offline one-time tape Vernam cipher machine known to have been used by Britain and Canada from 1943. It was developed by Canadian electrical engineer Benjamin deForest Bayly, working during the war for British Security Coordination.
"Rockex" was named after the Rockefeller Center, together with the tradition for naming British cipher equipment with the suffix "-ex" (e.g. Typex).
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).