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Re: Improving availability and guaranteeing integrity in ISO - internal sha1sums

Nicolas Mailhot wrote:
Le samedi 09 juin 2007 à 12:20 +1000, David Timms a écrit :

The simplest way to do this would be for the iso spin system to perform an sha1sum * > SHA1SUM within each directory of an iso spin, and have each result inserted into the corresponding directory.

1. you don't want many scattered checksum files, you want one file for
the whole disk, so users can find/filter it easily (use find to get a
recursive file list, sort/filter, checksum it)
That would be nice, but the standard tools don't do this AFAIK ? {no recursive option ?}

2. burn apps suchs as brasero/k3b? already generete this file if asked
(using md5 which is IMHO a mistake today)
It is done as far as I understand for the whole image {perhaps excluding the header where this gets embedded ?}.

3. you want this checksum file signed
Yes. This would already be done by the checksum process that is already in place - signed sha1sum of the whole .iso file, published along side the iso file.


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