A Design Principle for Hash Functions
CRYPTO '89 Proceedings of the 9th Annual International Cryptology Conference on Advances in Cryptology
One Way Hash Functions and DES
CRYPTO '89 Proceedings of the 9th Annual International Cryptology Conference on Advances in Cryptology
The MD4 Message Digest Algorithm
CRYPTO '90 Proceedings of the 10th Annual International Cryptology Conference on Advances in Cryptology
Differential Cryptanalysis of DES-like Cryptosystems
CRYPTO '90 Proceedings of the 10th Annual International Cryptology Conference on Advances in Cryptology
The Rectangle Attack - Rectangling the Serpent
EUROCRYPT '01 Proceedings of the International Conference on the Theory and Application of Cryptographic Techniques: Advances in Cryptology
FSE '99 Proceedings of the 6th International Workshop on Fast Software Encryption
Amplified Boomerang Attacks Against Reduced-Round MARS and Serpent
FSE '00 Proceedings of the 7th International Workshop on Fast Software Encryption
Colliding message pair for 53-step HAS-160
ICISC'07 Proceedings of the 10th international conference on Information security and cryptology
Related-key rectangle attack on 42-round SHACAL-2
ISC'06 Proceedings of the 9th international conference on Information Security
Related-key rectangle attacks on reduced versions of SHACAL-1 and AES-192
FSE'05 Proceedings of the 12th international conference on Fast Software Encryption
Cryptanalysis of the hash functions MD4 and RIPEMD
EUROCRYPT'05 Proceedings of the 24th annual international conference on Theory and Applications of Cryptographic Techniques
Related-Key boomerang and rectangle attacks
EUROCRYPT'05 Proceedings of the 24th annual international conference on Theory and Applications of Cryptographic Techniques
Collision search attack for 53-step HAS-160
ICISC'06 Proceedings of the 9th international conference on Information Security and Cryptology
Finding collision on 45-step HAS-160
ICISC'05 Proceedings of the 8th international conference on Information Security and Cryptology
Γ-MAC[H, P]: a new universal MAC scheme
WEWoRC'11 Proceedings of the 4th Western European conference on Research in Cryptology
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In this paper we investigate the security of the encryption mode of the HAS-160 hash function. HAS-160 is a Korean hash standard which is widely used in Korean industry. The structure of HAS-160 is similar to SHA-1 besides some modifications. In this paper, we present the first cryptographic attack that breaks the encryption mode of the full 80-round HAS-160. SHACAL-1 and the encryption mode of HAS-160 are both blockciphers with key size 512 bits and plain-/ciphertext size of 160 bits.We apply a key recovery attack that needs about 2155 chosen plaintexts and 2377.5 80-round HAS-160 encryptions. The attack does not aim for a collision, preimage or 2nd-preimage attack, but it shows that HAS-160 used as a block cipher can be differentiated from an ideal cipher faster than exhaustive search.