Custom certificates signed by Custom CA

example-ca.txt

# Create Custom CA key
$ openssl genrsa -des3 -out ExampleCA.key 4096

# Create an sign Custom CA
$ openssl req -x509 -new -nodes -key ExampleCA.key -sha256 -days 3650 -out ExampleCA.crt

# Generate a Custom Certificate key
$ openssl genrsa -out example.com.key 2048

# Generate Custom Certificate Signing Request
$ openssl req -new -key example.com.key -out example.com.csr

# Verify Certificate Signing Request
$ openssl req -in example.com.csr -noout -text

# Sign Custom Certificate with Custom CA
$ openssl x509 -req -in example.com.csr -CA ExampleCA.crt -CAkey ExampleCA.key -CAcreateserial -out example.com.crt -days 3650 -sha256 

# Verify Custom Certificate
$ openssl x509 -in example.com.crt -text -noout