the diva stands for digital imaging validation : is an external electronic device equipped with controlled microprocessor , which includes write protection , data encryption , and duplication capabilities . this electronic device is equipped with flash memory chips to hold / store digital image data produced by any digital imaging devices . this electronic device is packaged in small form factor housing with abilities to act as storage memory device of the digital imaging device and can be directly inserted or attached to the interface port of the corresponding imaging device . the diva is also known as programmable microprocessor - integrated encryption external storage media . furthermore , diva is also comprises of a system utilizing secured web - based application to deploy its full capability .