Newer versions of PKZIP have included an AES encryption module in addition to the standard (and open) PKZIP algorithm. Perhaps the archive is using that system, rendering it unreadable to the other programs? Following is an old link whose info may not still be valid.
Source: http://www.eweek.com/article2/0,1895,1257562,00.asp Rich On 4/9/06, Dylan Beaudette <[EMAIL PROTECTED]> wrote: > Howdy, > > downloaded some data from the seamless.usgs.gov website, only to find that the > ZIP archives that it delivered expanded to garbage! > > running `file` on all of the contents returned "data", when other types should > have been recognized. Also, a tiff file that was included in the archive is > not being recognized as a tiff in any program. Text files have extra garbage > near the top of the files. > > Any thoughts on what could be causing this? > > I have tried `unzip -b` as well, trying to force the un-archiving of the tiff > file as binary, but without luck. > > Any thoughts/ ideas? > > Thanks! > > -- > Dylan Beaudette > Soils and Biogeochemistry Graduate Group > University of California at Davis > 530.754.7341 > _______________________________________________ > vox-tech mailing list > [email protected] > http://lists.lugod.org/mailman/listinfo/vox-tech > _______________________________________________ vox-tech mailing list [email protected] http://lists.lugod.org/mailman/listinfo/vox-tech
