Dynamic SHA2 - Revision history

JAumasson: Fixed eprint number

2009-05-03T09:49:10Z

Fixed eprint number

2009-04-30T14:00:18Z

Added collision attack

2009-04-24T10:24:01Z

Near-Collision Attack on the Compression Function of Dynamic SHA2

2008-12-29T20:07:01Z

‎Cryptanalysis

2008-12-21T17:55:44Z

Dynamic SHA2: length extension attack

2008-12-11T13:18:55Z

2008-12-11T11:49:30Z

2008-12-11T11:47:19Z

2008-12-11T11:46:55Z

2008-12-11T11:46:26Z

@@ Line 31: / Line 31: @@
 | near-collision || compression || 384/512 ||  || 2<sup>75</sup> || - || [http://eprint.iacr.org/2009/179.pdf Yu,Wang]
 |-
-| style="background:orange" | collision || hash || 224/256 ||  || 2<sup>51</sup> || - || [http://eprint.iacr.org/2009/217.pdf Aumasson,Dunkelman,Indesteege,Preneel]
+| style="background:orange" | collision || hash || 224/256 ||  || 2<sup>51</sup> || - || [http://eprint.iacr.org/2009/184.pdf Aumasson,Dunkelman,Indesteege,Preneel]
 |-
-| style="background:orange" | collision || hash || 384/512 ||  || 2<sup>85</sup> || - || [http://eprint.iacr.org/2009/217.pdf Aumasson,Dunkelman,Indesteege,Preneel]
+| style="background:orange" | collision || hash || 384/512 ||  || 2<sup>85</sup> || - || [http://eprint.iacr.org/2009/184.pdf Aumasson,Dunkelman,Indesteege,Preneel]
 |-
 |}
@@ Line 66: / Line 66: @@
      author = {Jean-Philippe Aumasson and Orr Dunkelman and Sebastiaan Indesteege and Bart Preneel},
      title = {Cryptanalysis of Dynamic SHA(2)},
-     howpublished = {Cryptology ePrint Archive, Report 2009/217},
+     howpublished = {Cryptology ePrint Archive, Report 2009/184},
      year = {2009},
-     url = {http://eprint.iacr.org/2009/217.pdf},
+     url = {http://eprint.iacr.org/2009/184.pdf},
      note = {\url{http://eprint.iacr.org/}},
      abstract = {In this paper, we analyze the hash functions Dynamic SHA

@@ Line 30: / Line 30: @@
 |-
 | near-collision || compression || 384/512 ||  || 2<sup>75</sup> || - || [http://eprint.iacr.org/2009/179.pdf Yu,Wang]
 |-
 |}
@@ Line 47: / Line 51: @@
 <bibtex>
-@misc{cryptoeprint:2009:179,
+@misc{DynamicSHA2YW09,
      author = {Hongbo Yu and Xiaoyun Wang},
      title = {Near-Collision Attack on the Compression Function of Dynamic SHA2},
@@ Line 55: / Line 59: @@
      note = {\url{http://eprint.iacr.org/}},
      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 $2^{75}$.},
+}
 </bibtex>

@@ Line 27: / Line 27: @@
 | length-extension || hash || all ||  || - || - || [http://ehash.iaik.tugraz.at/uploads/0/0e/Dynamic-sha2_length-extension.txt Klima]
 |-
 |}
@@ Line 39: / Line 43: @@
    howpublished = {OFFICIAL COMMENT (local link)},
    year = {2008},
+}
 </bibtex>

← Older revision		Revision as of 20:07, 29 December 2008
Line 20:		Line 20:

	== Cryptanalysis ==		== Cryptanalysis ==
		+
		+	{\| border="1" cellpadding="4" cellspacing="0" class="wikitable" style="text-align:center"
		+	\|- style="background:#efefef;"
		+	\| Type of Analysis \|\| Hash Function Part \|\| Hash Size (n) \|\| Parameters/Variants \|\| Compression Function Calls \|\| Memory Requirements \|\| Reference
		+	\|-
		+	\| length-extension \|\| hash \|\| all \|\| \|\| - \|\| - \|\| [http://ehash.iaik.tugraz.at/uploads/0/0e/Dynamic-sha2_length-extension.txt Klima]
		+	\|-
		+	\|}
		+
		+	A description of this table is given [http://ehash.iaik.tugraz.at/wiki/Cryptanalysis_Categories#Individual_Hash_Function_Tables here].
		+

	<bibtex>		<bibtex>

← Older revision		Revision as of 17:55, 21 December 2008
Line 21:		Line 21:
	== Cryptanalysis ==		== Cryptanalysis ==

−	* None yet	+	<bibtex>
		+	@misc{DynamicSHA2K08,
		+	author = {Vlastimil Klima},
		+	title = {Dynamic SHA2 is vulnerable to generic attacks},
		+	url = {http://ehash.iaik.tugraz.at/uploads/0/0e/Dynamic-sha2_length-extension.txt},
		+	howpublished = {OFFICIAL COMMENT (local link)},
		+	year = {2008},
		+	}
		+	</bibtex>

@@ Line 9: / Line 9: @@
 <bibtex>
-@misc{sha3X08a,
+@misc{sha3Xu08a,
    author    = {Zijie Xu},
    title     = {Dynamic SHA2},
@@ Line 17: / Line 17: @@
+}
 </bibtex>
 == Cryptanalysis ==
 * None yet

@@ Line 12: / Line 12: @@
    author    = {Zijie Xu},
    title     = {Dynamic SHA2},
-   url        = {},
+   url        = {http://ehash.iaik.tugraz.at/uploads/5/5b/DyamicSHA2.pdf},
    howpublished = {Submission to NIST},
    year      = {2008},

@@ Line 5: / Line 5: @@
 * Website:
 -->
-* NIST submission package: [http://csrc.nist.gov/groups/ST/hash/sha-3/Round1/documents/DyamicSHA_2.zip DyamicSHA2.zip]
+* NIST submission package: [http://csrc.nist.gov/groups/ST/hash/sha-3/Round1/documents/DynamicSHA_2.zip DyamicSHA2.zip]

@@ Line 1: / Line 1: @@
 * Author(s): Zijie Xu
 <!--
 * Website:
 -->
-* NIST submission package: [http://csrc.nist.gov/groups/ST/hash/sha-3/Round1/documents/DyamicSHA2.zip DyamicSHA2.zip]
+* NIST submission package: [http://csrc.nist.gov/groups/ST/hash/sha-3/Round1/documents/DyamicSHA_2.zip DyamicSHA2.zip]