olemus
GPRS-side krüpteerimise standardne (ETSI) algoritmipere
=
a family of agorithms for GPRS-communication encryption

näiteid
- GEA3
https://link.springer.com/content/pdf/10.1007/978-3-642-40511-2_14.pdf
- GEA4
https://www.gsma.com/aboutus/wp-content/uploads/2014/12/a54specification.doc

vt ka
- KASUMI