# will extract the public key and print that out
openssl rsa -in mykey.pem -pubout > mykey.pub
# To get a usable public key for SSH purposes
ssh-keygen -y -f key.pem > key.pub

chmod 400 ~/.ssh/id_rsa
ssh-keygen -y -f ~/.ssh/id_rsa > ~/.ssh/id_rsa.pub

ssh-keygen -t rsa -P "" -b 4096 -m PEM -f jwtRS256.key
ssh-keygen -e -m PEM -f jwtRS256.key > jwtRS256.key.pub

openssl rsa -in mykey.pem -pubout > mykey.pub

# the directory where the keys are to be stored
# in this case we are using the current file directory
path = Path(__file__).absolute().parent
# initialize the encrypter
encryption = Encryption(path, name=('public_key.pem', 'private1.pem'))
# generates both private and public keys
encryption.generate_keys()

{"tags":[{"tag":"textarea","content":"$ keytool -genkey -alias \"jwt-sign-key\" -keyalg RSA -keystore jwt-keystore.jks -keysize 4096\nEnter keystore password:\nRe-enter new password:\nWhat is your first and last name?\n [Unknown]: Modern API Development\nWhat is the name of your organizational unit?\n [Unknown]: Org Unit\nWhat is the name of your organization?\n [Unknown]: Packt\nWhat is the name of your City or Locality?\n [Unknown]: City\nWhat is the name of your State or Province?\n [Unknown]: State\nWhat is the two-letter country code for this unit?\n [Unknown]: IN\nIs CN=Modern API Development, OU=Org Unit, O=Packt, L=City, ST=State, C=IN correct?\n [no]: yes\nGenerating 4,096 bit RSA key pair and self-signed certificate (SHA384withRSA) with a validity of 90 days\n for: CN=Modern API Development, OU=Org Unit, O=Packt,","code_language":"whatever"}]}