please solve a,b..

RSA & Digital signature Assuming your public key is (e,n) and private key is (d, n). You are going to sign a message from a file. And assuming the hash code you obtained using SHA256 for the message is h, i.e. h=SHA256(message).

a. Clearly list the steps you need to do to sign your message?

b. What steps your friend should follow to verify the authenticity of the message you send to her?