Computer hardware; subscriber identity module cards; electronically encoded smart cards and computer mini cards containing software, and the software itself, for providing mobile access to communications networks; subscriber identity module cards with added extended flash memory and encryption engines, subscriber identity module cards microcontrollers; non-volatile flash memory disks and cards providing secure data storage including ROM, EEPROM, and NAND or NOR flash; semiconductor chips that function as memory modules for computers, wireless phones, and pdas; integrated circuits; computer telephony software and software for use with subscriber identity module cards; Universal subscriber identity module cards; Universal subscriber identity module cards with added external USB interface and/or external multi-media card (MMC) interface; Smart cards for use in mobile telephone communications hardware and associated software for use with communications apparatus and instruments such as mobile telephones, smart phones with computing capabilities, mobile computers and subscriber identity module cards; software controllers for efficient management of flash memory; crypto accelerators/processors for secure communications and transactions on mobile networks, crypto accelerators/processors for secure authentication to public and private networks and secure communications on those networks; computer software which allows flash memory components to emulated traditional hard disks