Security/Certificate

Certificate » Password

makepasswd --chars 16 --count 10 --crypt-md5
:'
wTwezXF4sNLoWBsI   $1$OCSDx0zn$U9WW0udI8pYfIrCCuz2Md1
pfHyhrtvHC4p3oW5   $1$6b/SQRXF$UwLDhHZMyWfsw/S0g6GgZ1
WLNv9CD8XcR3poHp   $1$oVsmVh6Q$Vq4amLARt2iMezos.pT1N.
cCJvJU8rFeHbu4Ix   $1$qlaCpIFj$jWqjkdALO535Ww58k3KE2/
7WeBH8nwMXR78Gdd   $1$afyCWr0p$6bMRrvCnrBeo/BdVJi70E1
IxGjQAogqv3e18rj   $1$60UWcAxR$bFfRlXHzVvZkjTripK9v..
JXveCv0LjsAix5cp   $1$FANZ3WNf$hq2BPd1SXdL.2yvKf0/.7/
eoFqedaFpKKDqVCw   $1$4TCNgJCv$v1z4Y8IR5a4Nan5VkAAe8/
9npSy42dxUH2w15y   $1$APixN7OV$XIe.K3qPi/aezzWyhf7F./
SuwCWQ39RNKUcKAM   $1$qnnfDUE1$ucuWcIpNBuCvCBjCiHaoG/
'

Certificate » RootCA

ROOTCA_CNF="$(mktemp -u)"
cat <<'CNF'|tee ${ROOTCA_CNF} >/dev/null
[ req ]
prompt             = no
distinguished_name = dn

[ dn ]
C                  = MY
ST                 = WP Kuala Lumpur
L                  = Kuala Lumpur
O                  = Chorke, Inc.
OU                 = Chorke
CN                 = chorke.org
emailAddress       = info@chorke.org
CNF

echo -n 'Password: ';read -s ROOTCA_PASS_PHRASE;export ROOTCA_PASS_PHRASE;echo
# Password: pfHyhrtvHC4p3oW5

openssl genpkey   -algorithm RSA  -out rootCA.key -aes256 -pass file:<(echo "${ROOTCA_PASS_PHRASE}")
openssl req -x509 -new -nodes     -key rootCA.key -sha256 -days 1024 -out rootCA.pem -config ${ROOTCA_CNF} -passin file:<(echo "${ROOTCA_PASS_PHRASE}")

Certificate » RootCA » SubCA

SUBCA_CNF="$(mktemp -u)"
cat <<'CNF'|tee ${SUBCA_CNF} >/dev/null
[ req ]
prompt             = no
distinguished_name = dn
attributes         = req_attrs

[ dn ]
C                  = MY
ST                 = WP Kuala Lumpur
L                  = Kuala Lumpur
O                  = Chorke, Inc.
OU                 = Academia
CN                 = chorke.org
emailAddress       = info@chorke.org

[req_attrs]
challengePassword  = ChangeIt
unstructuredName   = Chorke Academia, Inc.
CNF

echo -n 'Password: ';read -s SUBCA_PASS_PHRASE;export SUBCA_PASS_PHRASE;echo
# Password: wTwezXF4sNLoWBsI

openssl genpkey   -algorithm RSA  -out  subCA.key -aes256 -pass file:<(echo  "${SUBCA_PASS_PHRASE}")
openssl req -new  -key subCA.key  -out  subCA.csr -config ${SUBCA_CNF}  -passin file:<(echo "$SUBCA_PASS_PHRASE")
openssl x509 -req -in  subCA.csr  -CA  rootCA.pem -CAkey  rootCA.key    -CAcreateserial -out  subCA.pem -days 1024 -sha256 -passin file:<(echo "${ROOTCA_PASS_PHRASE}")

Certificate » RootCA » SubCA » Server

SERVER_CNF="$(mktemp -u)"
cat <<'CNF'|tee ${SERVER_CNF} >/dev/null
[ req ]
prompt             = no
distinguished_name = dn
attributes         = req_attrs

[ dn ]
C                  = MY
ST                 = WP Kuala Lumpur
L                  = Kuala Lumpur
O                  = Chorke, Inc.
OU                 = Academia
CN                 = chorke.org
emailAddress       = info@chorke.org

[req_attrs]
challengePassword  = ChangeIt
unstructuredName   = Chorke Academia, Inc.
CNF

openssl genpkey   -algorithm RSA  -out server.key
openssl req -new  -key server.key -out server.csr -config ${SERVER_CNF}
openssl x509 -req -in  server.csr -CA   subCA.pem -CAkey  subCA.key     -CAcreateserial -out server.crt -days 1024 -sha256 -passin file:<(echo  "${SUBCA_PASS_PHRASE}")

Playground

ls -alh *.{crt,csr,key,pem,srl} rm -rf *.{crt,csr,key,pem,srl}
nmap vpn.shahed.biz --reason -Pn --top 20 nmap vpn.shahed.biz --reason -Pn -p25,465,587,993	sudo tail -n100 -f /var/log/auth.log sudo tail -n100 -f /var/log/kern.log	sudo cat /etc/shadow|grep nobody last
sudo apt-get install makepasswd echo 'sadaqah!'|makepasswd --crypt-md5 --clearfrom=-	makepasswd --chars 12 --count 5 --crypt-md5 makepasswd --chars 12 --count 5 --crypt	makepasswd --chars 12 --count 5 makepasswd --chars 12

References

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