openssl genrsa -out rsa_private_key.pem -traditional 2048

openssl rsa -in rsa_private_key.pem -out rsa_public_key.pem -pubout -RSAPublicKey_out -outform pem --traditional

openssl genrsa -out key.pem

openssl req -new -key key.pem -out cert.csr

openssl x509 -req -sha256 -days 365 -key key.pem -in cert.csr -out certificate.pem

openssl pkcs12 -export -out cert.p12 -inkey key.pem -in certificate.pem

openssl pkcs12 -certpbe PBE-SHA1-3DES -keypbe PBE-SHA1-3DES -export -macalg sha1 -inkey key.pem -in certificate.pem -out cert.p12

openssl x509 -req -sha256 -days 365 -in cerificate.csr -signkey certificate.key -out certificate.pem