文件操作 - gen-ssl-key
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文件: /usr/share/doc/cryptsetup/examples/gen-ssl-key
编辑文件内容
#!/bin/sh # # script to generate a keyfile that is encrypted with openssl # # Written 2005 by Markus Nass <generalstone@gmx.net> # Improved 2006 by Jonas Meurer <jonas@freesources.org> # Further improved 2006 by Markus Nass <generalstone@gmx.net> usage() { echo "Usage: $0 <key>" exit 1 } if [ -z "${1-}" ] || [ "$1" = "-h" ] || [ "$1" = "--help" ]; then usage fi if [ -x /usr/bin/openssl ]; then dd if=/dev/random bs=1c count=256 | openssl enc -aes-256-cbc -e -salt >"$1" else echo "/usr/bin/openssl is not available" && exit 1 fi
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