IDEA

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Algorithm Type: Block Cipher

  • Designers: James L. Massey, Xuejia Lai
  • Published in: 1990
  • Standards:
  • Cryptanalysis status: not yet broken (note: this may be out of date. please see papers section to see how up to date the entries are)


Key Lengths

  • Valid key lengths: 128 bits

Block Size

  • Fixed Block Size: 8 bytes

Links

Papers About This Algorithm

Title Published in Proposed Defined Analyzed Wounded Broken
A Proposal for a New Block Encryption Standard1990IDEAIDEA
Related-Key Boomerang and Rectangle Attacks2005AES
COCONUT98
IDEA		COCONUT98
New Cryptanalytic Results on IDEA2006IDEA
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Relations to other articles
Algorithm typeBlock Cipher  +
Attribute values
Min key length 16 byte (128 bit)  +
Max key length 16 byte (128 bit)  +
Key length multiple 0.125 byte (1 bit)  +
Valid key length 16 byte (128 bit)  +
Valid block size 8 byte (64 bit)  +
Min block size 8 byte (64 bit)  +
Max block size 8 byte (64 bit)  +
Home page http://www.mediacrypt.com/  +
Wikipedia entry http://en.wikipedia.org/wiki/International_Data_Encryption_Algorithm  +
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