Don't use xz or 7-zip...use lzip: https://www.nongnu.org/lzip/safety_of_the_lzip_format.html https://www.nongnu.org/lzip/safety_of_the_lzip_format.html https:

Don't use xz or 7-zip...use lzip: https://www.nongnu.org/lzip/safety_of_the_lzip_format.html https://www.nongnu.org/lzip/safety_of_the_lzip_format.html https://www.nongnu.org/lzip/manual/lzip_manual.html#Quality-assurance https://www.nongnu.org/lzip/manual/lzip_manual.html#Quality-... https://www.nongnu.org/lzip/xz_inadequate.html https://www.nongnu.org/lzip/xz_inadequate.html