Initialize the user's pin on this slot that this session is opened on.
According to the PKCS#11 standards, the session must be logged in with the `CKU_SO` user type.
This call will return immediately and completes asynchronously.
this |
Initialize PIN for this session's slot. |
pin |
the user's PIN, or |
cancellable |
Optional cancellation object, or |
callback |
Called when the operation completes. |
n_pin |
the length of the PIN |
user_data |
Data to pass to the callback. |