What does DFC stand for?

What does DFC mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: DFC.

We've found a total of 35 definitions for DFC:

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DFC

Distinguished Flying Cross

Miscellaneous » Awards & Medals

   
DFC

Distinguished Flying Cross

Governmental » Military

   
DFC

Delta Financial Corporation

Business » NYSE Symbols

   
DFC

Drug Free Communities

Miscellaneous » Unclassified

   
DFC

Documentum Foundation Classes

Computing » Databases

   
DFC

Division of Family and Children

Governmental » State & Local

   
DFC

Distributed Coordination Function

Computing » General

   
DFC

Decomposed Function Cardinality

Academic & Science » Mathematics

   
DFC

Dimensions For Children

Community » Educational

   
DFC

Differential File Compression

Computing » Software

   
DFC

Dixie Flatlines Construct

Computing » Databases

   
DFC

Destined For Christ

Community » Religion

   
DFC

Down From Cost

Business » Accounting

   
DFC

Dixie Flatline's Construct

Community » Educational

   
DFC

DataNet Federation Consortium

Miscellaneous » Unclassified

   
DFC

Denver First Church

Miscellaneous » Unclassified

   
DFC

Downtown Fitness Club

Miscellaneous » Unclassified

   
DFC

Da Funk Clan

Miscellaneous » Unclassified

   
DFC

Distributed Forwarding Card

Miscellaneous » Unclassified

   
DFC

Dance For Change

Miscellaneous » Unclassified

   
DFC

Duke Faculty Club

Miscellaneous » Unclassified

   
DFC

Dysfunctional Family Circus

Miscellaneous » Unclassified

   
DFC

Dollar Financial Corp

Miscellaneous » Unclassified

   
DFC

Driving Force Club

Miscellaneous » Unclassified

   
DFC

Decorating Fulfillment Center

Miscellaneous » Unclassified

   

What does DFC mean?

DFC
In cryptography, DFC is a block cipher which was created in 1998 by a group of researchers from École Normale Supérieure, CNRS, and France Télécom and submitted to the AES competition. Like other AES candidates, DFC operates on blocks of 128 bits, using a key of 128, 192, or 256 bits. It uses an 8-round Feistel network. The round function uses a single 6×32-bit S-box, as well as an affine transformation mod 264+13. DFC can actually use a key of any size up to 256 bits; the key schedule uses another 4-round Feistel network to generate a 1024-bit "expanded key". The arbitrary constants, including all entries of the S-box, are derived using the binary expansion of e as a source of "nothing up my sleeve numbers". Soon after DFC's publication, Ian Harvey raised the concern that reduction modulo a 65-bit number was beyond the native capabilities of most platforms, and that careful implementation would be required to protect against side-channel attacks, especially timing attacks. Although DFC was designed using Vaudenay's decorrelation theory to be provably secure against ordinary differential and linear cryptanalysis, in 1999 Lars Knudsen and Vincent Rijmen presented a differential chosen-ciphertext attack that breaks 6 rounds faster than exhaustive search.

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