SHA-256/224

1 Specification

• digest size: 256 bits
• max. message length: < 2⁶⁴ bits
• compression function: 512-bit message block, 256-bit chaining variable
• Specification: FIPS 180-2 Secure Hash Standard

2 Cryptanalysis

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2.2 Generic Attacks

• Generic Attacks on the Merkle-Damgaard Construction

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2.3 Collision Attacks

Hirotaka Yoshida, Alex Biryukov - Analysis of a SHA-256 Variant

Selected Areas in Cryptography 3897:245-260,2005

http://dx.doi.org/10.1007/11693383_17
Bibtex

Author : Hirotaka Yoshida, Alex Biryukov
Title : Analysis of a SHA-256 Variant
In : Selected Areas in Cryptography -
Address :
Date : 2005

Henri Gilbert, Helena Handschuh - Security Analysis of SHA-256 and Sisters

Selected Areas in Cryptography 3006:175-193,2003

http://springerlink.metapress.com/openurl.asp?genre=article{\&}issn=0302-9743{\&}volume=3006{\&}spage=175
Bibtex

Author : Henri Gilbert, Helena Handschuh
Title : Security Analysis of SHA-256 and Sisters
In : Selected Areas in Cryptography -
Address :
Date : 2003

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