sign

Description:

public static ApplicationPkcs7Mime? sign (Object entity, string userid) throws Error

Attempts to sign the entity MIME part with userid's private key using S/MIME.

If successful, a new application/pkcs7-mime object is returned.

Parameters:

entity	a Object
userid	the user id to sign with

Returns:

a new ApplicationPkcs7Mime object on success or null on fail. If signing fails, an exception will be set on err to provide information as to why the failure occurred.