Trace-based cryptanalysis of cyclotomic $R_{q,0}\times R_q$-PLWE for the non-split case

Iván Blanco-Chacón, Raúl Durán-Díaz, Rahinatou Yuh Njah Nchiwo +1

We describe a decisional attack against a version of the PLWE problem in which the samples are taken from a certain proper subring of large dimension of the cyclotomic ring $\mathb…