Acronis Drive Cleanser 6.0 - User Guide Bedienungsanleitung PDF herunterladen (Seite 30)

Inhaltsverzeichnis Benutzerhandbuch Acronis DriveCleanser

Algorithmus

(writing method)

Passes

Record

American: NAVSO

P-5239-26 (RLL)

4 1

pass – 0x01 to all sectors, 2 -

0x27FFFFFF, 3 – random symbol

sequences, 4 – verification.

American: NAVSO

P-5239-26 (MFM)

4 1

pass – 0x01 to all sectors, 2 -

0x7FFFFFFF, 3 – random symbol

sequences, 4 – verification.

German: VSITR 7 1

– 6

– alternate sequences of: 0x00

and 0xFF; 7

- 0xAA; i.e. 0x00, 0xFF,

0x00, 0xFF, 0x00, 0xFF, 0xAA.

Russian: GOST

P50739-95

1 Logical zeros (0x00 numbers) to each

byte of each sector for 6

to 4

security

level systems.

Randomly selected symbols (numbers)

to each byte of each sector for 3

to 1

security level systems.

P. Gutmann’s

Algorithmus

35 Peter Gutmann’s Algorithmus is very

sophisticated. It’s based on his theory

of hard disk information wiping (see

http://www.cs.auckland.ac.nz/

~pgut001/pubs/secure_del.html).

B. Schneier’s

Algorithmus

7 Bruce Schneier offers seven pass

overwriting Algorithmus in his Applied

Cryptography book. 1

pass – 0xFF, 2

pass – 0x00, and then five times with a

cryptographically secure pseudo-

random sequence.

Schnell 1 Logical zeros (0x00 numbers) to all

sectors to wipe.

1 2 ... 25 26 27 28 29 30 31 32 33

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