Advances in Digital Forensics II (IFIP Advances in by Martin S. Olivier, Sujeet Shenoi

By Martin S. Olivier, Sujeet Shenoi

Electronic forensics offers with the purchase, maintenance, exam, research and presentation of digital proof. essentially each crime now includes a few electronic facts; electronic forensics presents the innovations and instruments to articulate this facts. This booklet describes unique learn effects and cutting edge purposes within the rising self-discipline of electronic forensics. furthermore, it highlights many of the significant technical and felony matters on the topic of electronic facts and digital crime investigations.

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By Martin S. Olivier, Sujeet Shenoi

Electronic forensics offers with the purchase, maintenance, exam, research and presentation of digital proof. essentially each crime now includes a few electronic facts; electronic forensics presents the innovations and instruments to articulate this facts. This booklet describes unique learn effects and cutting edge purposes within the rising self-discipline of electronic forensics. furthermore, it highlights many of the significant technical and felony matters on the topic of electronic facts and digital crime investigations.

Show description

Read or Download Advances in Digital Forensics II (IFIP Advances in Information and Communication Technology) (v. 2) PDF

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12 sec. 3 min. 29 sec. We ran several experiments to determine the overhead of automatically auditing access to digital evidence blobs. Table 1 presents the results obtained when Scalpel was used to carve JPEG files from an 1 GB disk image. 6 GHz Pentium M Thinkpad with 2 GB of RAM. Table 2. FTK evidence processing results (8 GB disk image). 60 Add Evidence step on Samba share (no legacy DEB support) Add Evidence step on Samba share (legacy DEB-enabled FS) Time 47 min. 56 sec. 59 min. 04 sec. 60's Add Evidence step on an 8 GB disk image.

First and foremost, authenticity and integrity of the data must be ensured during transmission. Since active attacks are possible, cryptographically strong schemes Ray 43 must be provided for this purpose. Second, secure communication channels must be established between the various unmanned devices and the central server. The problem is that of ensuring secure group communication. The group, however, dynamically mutates, with the possibility that any of the communicating devices may be captured by the enemy and reverse engineered and/or destroyed.

Yj is the jth entry in a hash chain, where Y1 = 0 and MAC is a keyed hash function. Then, [C, Yj, Zj] is written to the log. The shared secret is then recomputed: Aj+l = hash(A j), and A j is destroyed. This scheme is tailored to disallow log entries created before a compromise at time t from being read by an attacker. The idea is that the attacker is then left to delete the entire log (which will be noticed when communication is established in the future between U and T) or leave the log alone (and not know if a log entry has recorded his unauthorized access).

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