MIBS is a light weight block cipher for constrained resources environments such as RFID tags and sensor networks. This paper investigates the construction of zero-correlation linear approximations of 8-round MIBS and presents an attack on 13-round MIBS-80 by means of zero-correlation linear cryptanalysis with the properties of key schedule and partial-sum technique, which needs 262.1 known plaintexts and 274.9 encryptions. Furthermore, an 8-round integral distinguisher is deduced from the zero-correlation linear approximations using the relations between them, and as an application, integral attack on 11-round MIBS-80 is conducted with 260 chosen plaintexts and 259.8 encryptions.
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