From PS4 Developer wiki
- ECDH : Elliptic_curve_Diffie–Hellman
- ECDSA : Elliptic Curve DSA
- EEPROM : Electrically Erasable Programmable Read-Only Memory (also written E2PROM and pronounced "e-e-prom," "double-e prom," "e-squared," or simply "e-prom") is a type of non-volatile memory used in computers and other electronic devices to store small amounts of data that must be saved when power is removed.
- EFI : (Unified) Extensible Firmware Interface
- eFuse : eFuse
- eMMC : embedded MultiMediaCard
- EPoP : Embedded Package on Package
- EPROM : An EPROM (rarely EROM), or erasable programmable read only memory, is a type of memory chip that retains its data when its power supply is switched off.
- ERK : Encryption Round Key, used with AES
- execute : When a CPU interprets the operation code of a program instruction and performs the specified operation.