Glossary

EIA – EPS Integrity Algorithm
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EIA – EPS Integrity Algorithm

The integrity process in LTE uses an EIA (EPS Integrity Algorithm) which have a 4bit identifier. Examples of EIA algorithms include SNOW and AES. These are implemented in the UE and eNB for RRC signalling integrity protection. In addition, they are also implemented in the UE and MME for NAS integrity protection.


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