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Searching for messages conforming to arbitrary sets of conditions in SHA-256Hölbl, Marko ; Rechberger, Christian ; Welzer-Družovec, TatjanaRecent progress in hash functions analysis has led to collisions on reduced versions of SHA-256. As in other hash functions, differential collision search methods of SHA-256 can be described by means ... of conditions on and between state and message bits. We describe a tool for efficient automatic searching of message pairs conforming to useful sets of conditions, i. e. stemming from (interleaved) local collisions. We not only considerably improve upon previous work [7], but also show the extendability of our approach to larger sets of conditions. Furthermore, we present the performance results of an actual implementation and pose an open problem in this context.Source: Research in cryptology : revised selected papers : Second Western European Workshop, WEWoRC 2007 Bochum, Germany, July 4-6, 2007 (Str. 28-38)Type of material - conference contributionPublish date - 2008Language - englishCOBISS.SI-ID - 12666646
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Hölbl, Marko | 25426 |
Rechberger, Christian | |
Welzer-Družovec, Tatjana | 06794 |
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