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History of cryptography and cryptanalysis. Questions that wish to ask about the history of cryptography should use this tag; if you're asking about historical ciphers you may also wish to use the classical-cipher tag.

10 votes
1 answer
603 views

Who is the inventor of the OFB block cipher mode of operation?

Handbook of Applied Cryptography gives two resources for the OFB mode 1980 FIPS 81. This doesn't give any references, unlike NIST. 1983 ANSI X3.106, unfortunately pay-walled. Who is the inventor of …
6 votes
1 answer
755 views

Who said "32 round Rijndael" in the third AES Conference

This is a historical question. In the third AES Conference of NIST (AES3), April 13-14, 2000, New York, near the end of the conference, one representative for each of the last 5 candidates sit on a ta …