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Uwe Thiem wrote: |
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> On 31 January 2006 15:19, Schleimer, Ben wrote: |
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>> I understand that writing zeros over the file should permenately delete the |
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>> data |
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> |
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> Don't believe people telling that. |
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Why not? I would believe those people. |
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> The data will still be recoverable |
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Will it? Why is it, that there are no proofs at all |
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that this is actually possible? Or do you have any |
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prove? |
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> The |
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> only way to wipe out data safely is to write different random bit over it |
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> several times. |
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"0" is good enough with modern hardware. That's so, because current |
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harddrives have a much higher "rate" of staying in the track and thus |
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do not write to the "left" or "right" of it. |
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> |
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>> but couldn't the data be cached elsewhere on the drive, especially |
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>> with journalling filesystems?? |
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> |
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> Journalling filesystems are a problem when it comes to wipe out single files. |
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Yes. |
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> Wiping out the whole harddrive is still possible. |
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But not with normal hardware. |
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Alexander Skwar |
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-- |
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Here we are in America ... when do we collect unemployment? |
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-- |
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