Characteristics of a P2P Network - About

w5.cs.uni.sb.de

Characteristics of a P2P Network - About

File identification

• Problem: Identical files may be named

differently

• Problem: Identically named files may not be

binary identical

• Fast hashing algorithm is needed to identify

files

• UUHash, MD4 and MD5 have already been

successfully exploited

• SHA1 seems to be promising, but is a bit

slower

© C. Endres / W. Wahlster 2005

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