PdfSecurity Methods

Decrypt all password.

Decrypt user password

Decrypt user password.

To Encrypt the PDF document with open password. Note:If set empty string value to open password, it indicates that the PDF document can be operated without providing corresponding password. Note: the document owner password should not be exist.

To Encrypt the PDF document with permission password and permissions. Note:The Permission password can't be empty string.

To Encrypt the PDF document and set the encryption key size and permissions. Note:If set empty string value to open password or permission password, it indicates that the PDF document can be operated without providing corresponding password.

To Encrypt the PDF document with open password and permission password,and set the encryption key size and permissions. Note:If set empty string value to open password or permission password, it indicates that the PDF document can be operated without providing corresponding password.

Determines whether the specified object is equal to the current object.

Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.

Serves as the default hash function.

Gets the Type of the current instance.

Creates a shallow copy of the current Object .

Returns a string that represents the current object.