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Paper 2009/179
Near-Collision Attack on the Compression Function of Dynamic SHA2
Hongbo Yu and Xiaoyun Wang
Abstract
In this paper, we present a near-collision attack on the compression functions of Dynamic SHA2 for all the output sizes. For the Dynamic SHA2-224/256, the complexity is about $2^{45}$ operations and for the Dynamic SHA2-384/512, the complexity is about $2^{75}$.
Metadata
- Available format(s)
-
PDF
PS
- Category
- Secret-key cryptography
- Publication info
- Published elsewhere. Unknown where it was published
- Contact author(s)
-
yuhongbo @ mail tsinghua edu cn
xiaoyunwang @ mail tsinghua edu cn - History
- 2009-04-24: received
- Short URL
- https://ia.cr/2009/179
- License
-
CC BY
