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MAGENTA has a block size of 128 bits and key sizes of 128, 192 and 256 bits. It is a Feistel cipher with six rounds.

After the presentation of the cipher at the first AES conference, several cryptographers immediately found vulnerabilites [2]. These were written up and presented at the second AES conference (Biham et al, 1999).

1 References

• Eli Biham, Alex Biryukov, Niels Ferguson, Lars Knudsen, Bruce SchneierBruce Schneier (born January 15, 1963) is an American cryptographer, computer security expert, and writer. He is the author of several books on computer security and cryptography, and is the founder and chief technology officer of Counterpane Internet Sec and Adi ShamirAdi Shamir (born 1952) is an Israeli cryptographer. He was one of the inventors of the RSA algorithm (along with Ron Rivest and Len Adleman), and has made numerous contributions to the fields of cryptography and computer science. Education Born in Tel-Avi, "Cryptanalysis of Magenta", Second AES candidate conference, April 1999 (PDF).

2 External links

• John Savard's description of Magenta
• SCAN's entry for the cipher
• Paper describing Magenta