(It can encrypt any file. The operation is simple. It can not only encrypt the content, but also ensure the integrity of the file content. The receiver can also authenticate who encrypted it. It also has the function of encrypting disk. When it is used, it can be loaded into a hard disk to save the file like an ordinary hard disk. When it is not used, it can be unloaded into an encrypted file and put on the U disk or hard disk, Don't worry about the content being seen by others. After decompressing, there are installation programs and help documents. When using the encrypted disk for the first time, enter the registration code 1ich-e9a2s-jwgdc-5xrd0-cycpu)