ZUC stream cipher

ZUC is a stream cipher included in the Long Term Evolution standards used in 3GPP specifications for confidentiality and integrity . It is named after Zu Chongzhi, the fifth-century Chinese mathematician.

It uses a 16-stage linear feedback shift register with each stage in ${\displaystyle {\rm {GF}}(2^{31}-1)}$and produces a 32-bit word on each tick.

• Mukherjee, Chandra Sekhar; Dibyendu Roy; Subhamoy Maitra (2021). Design and Cryptanalysis of ZUC. Springer. ISBN 9789813348820.