How can I batch precreate password using HashAlgorithm when creating data package?

Question

Dear All,

Once a member registered on our site, we encrypt the user inputted password  using HashAlgorithm, store this user's info along with password to tblMember. Password is a required field.

Now I have a HR file, and wants to precreate member accounts with giving password. I can create a SSIS package to include all the other info, but has difficult time with this password.
Is there anyway I can generate those passwords with hash/salt when creating data package, like include the password dll in package solution ? If it does, how?

Thank you in advance for your time.

Ellen