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» Related-Key Boomerang Attack on Block Cipher SQUARE
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IACR
2011
85views more  IACR 2011»
12 years 4 months ago
Some Instant- and Practical-Time Related-Key Attacks on KTANTAN32/48/64
The hardware-attractive block cipher family KTANTAN was studied by Bogdanov and Rechberger who identified flaws in the key schedule and gave a meet-in-the-middle attack. We revis...
Martin Ågren
FSE
2004
Springer
150views Cryptology» more  FSE 2004»
13 years 10 months ago
Ciphers Secure against Related-Key Attacks
Abstract. In a related-key attack, the adversary is allowed to transform the secret key and request encryptions of plaintexts under the transformed key. This paper studies the secu...
Stefan Lucks
CRYPTO
2007
Springer
149views Cryptology» more  CRYPTO 2007»
13 years 8 months ago
Hash Functions and the (Amplified) Boomerang Attack
Abstract. Since Crypto 2004, hash functions have been the target of many attacks which showed that several well-known functions such as SHA-0 or MD5 can no longer be considered sec...
Antoine Joux, Thomas Peyrin
IACR
2011
205views more  IACR 2011»
12 years 4 months ago
Biclique Cryptanalysis of the Block Cipher SQUARE
Abstract. SQUARE, an 8-round substitution-permutation block cipher, is considered as the predecessor of the AES. In this paper, inspired from the recent biclique attack on the AES ...
Hamid Mala
AES
2004
Springer
204views Cryptology» more  AES 2004»
13 years 10 months ago
The Boomerang Attack on 5 and 6-Round Reduced AES
In this note we study security of 128-bit key 10-round AES against the boomerang attack. We show attacks on AES reduced to 5 and 6 rounds, much faster than the exhaustive key searc...
Alex Biryukov