[address deleted to protect his privacy] 15 July 1993 PM/DTC SA-6 Room 228 Office of Defense Trade Controls U.S. Department of State Washington, DC 20522-0602 Subject: Commodity Jurisdiction Request for DJBCJF-2 Dear Sirs: My name is Daniel J. Bernstein. This is a CJ Request for the item identified in the subject line. I ask that this item be declared to be subject to the licensing jurisdiction of the Department of Commerce. The item is certain information. Attached is a complete copy of that information. The item was originally designed to convert any one-way hash function into a zero-delay private-key encryption system. The item was not developed for any government agency or with any government funding. For further details of the history and possible uses af this item, see CJ 191-92. As in CJ 191-92 I note that I would like to publish this item in a widely read international electronic conference known as ''sci.crypt'' for discussion by the worldwide academic community. Thank you for your kind attention. Sincerely, [signature] Daniel J. Bernstein encl. [Identical letters went out with Subject: lines Subject: Commodity Jurisdiction Request for DJBCJF-3 Subject: Commodity Jurisdiction Request for DJBCJF-4 Subject: Commodity Jurisdiction Request for DJBCJF-5 Subject: Commodity Jurisdiction Request for DJBCJF-6 and with different information attached.]