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Title |
FORK-160: A New 160 - bit Software-Oriented Hash Function |
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Author |
Amir Hossein Tabatabaee, Yaser Esmaeili, Mohammad Reza Sohizadeh Abyaneh, Hadi Ahmadi |
| Citation |
Vol. 7 No. 9 pp. 177-186 |
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Abstract |
There are various cryptographic protocols in which 160-bit message digest is required. SHA-1is the most well-known 160-bit hash function which is still used in protocols despite of its vulnerabilities against collision attacks. Lack of 160-bit hash function structures and disadvantages of truncating outputs of other secure hash functions (security problems and inefficiency) motivated us to introduce a new 160-bit hash function. In this paper, we describe our new software-efficient hash function FORK-160. Hence the name, this function uses basic design principles from the recently proposed hash function FORK-256. However, FORK-160 aims at improving FORK-256 both on security and efficiency. Most notably, FORK-160 uses more secure step function, reasonable message ordering and additive constants which make it resistant against existing cryptanalysis especially local collision attacks. |
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Keywords |
Hash function, collision attack, differential attack, FORK-256 |
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