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Diplomatic bag
From Wikipedia, the free encyclopedia
A diplomatic bag is an envelope, parcel, shipping container or any other kind of receptacle having diplomatic immunity from search or seizure. It need not be an actual bag.
In discussions of cryptography, the diplomatic bag is conventionally used as an example of the ultimate secure channel used to exchange keys, codebooks and other necessarily secret materials. Like Alice and Bob, it is an example of a metasyntactic variable when used this way.
In actual practice, diplomatic bags are indeed used for exactly this purpose. An illustration is the strenuous protest made by German diplomats in Poland in the late '20s when a cypher machine being shipped to the German Warsaw Embassy — a commercial version of the famous Enigma machine — was mistakenly not marked as protected baggage and was opened, under protest, by Polish Customs. It was released to them, supposedly without much apology (and with still more protest), on the following Monday, but had been thoroughly inspected by Polish cryptography personnel over the weekend.
- Washington Diplomat Newspaper
- eDiplomat.com: Glossary of Diplomatic Terms
- BBC News article on diplomatic bags
- The Vienna Convention on Diplomatic Relations, 1961 (Note Articles 27 and 36).
- Is there such a thing as a diplomatic pouch? — Straight Dope article with extensive detailed references.
- Photograph of a French diplomatic bag
