forget to attached the text file to resource that use in (Ch5.3) KMS-part-3?

This is the text from the lecture

openssl rand -out PlainTextMaterial.bin 32

openssl rsautl -encrypt ^

-in PlainTextMaterial.bin ^

-oaep ^

-inkey PubKey.bin ^

-keyform DER ^

-pubin ^

-out EncryptedMaterial.bin