generate-cert.sh

#!/bin/bash
openssl genrsa -des3 -out rootCA.key 2048
openssl req -x509 -new -nodes -key rootCA.key -sha256 -days 1024 -out rootCA.pem

echo "Trust the Certificate; Ctrl-C when Done"
while true; do printf ""; sleep 1; done


sudo cp  rootCA.pem /etc/ca-certificates/trust-source/anchors/rootCA_local.cert

sudo trust extract-compat

cat > server.csr.cnf  << EOF
[req]
default_bits = 2048
prompt = no
default_md = sha256
distinguished_name = dn

[dn]
C=IN
ST=Maharashtra
L=Mumbai
O=Studies
OU=Testbench
[email protected]
CN = localhost
EOF


cat >  v3.ext << EOF
authorityKeyIdentifier=keyid,issuer
basicConstraints=CA:FALSE
keyUsage = digitalSignature, nonRepudiation, keyEncipherment, dataEncipherment
subjectAltName = @alt_names


[alt_names]
DNS.1 = localhost
EOF

openssl req -new -sha256 -nodes -out server.csr -newkey rsa:2048 -keyout server.key -config <( cat server.csr.cnf )

openssl x509 -req -in server.csr -CA rootCA.pem -CAkey rootCA.key -CAcreateserial -out server.crt -days 500 -sha256 -extfile v3.ext