The KSM1 core implements Kasumi encryption in compliance with the ETSI SAGE specification. It processes 64-bit blocks using 128-bit key.
Basic core is very small (5,500 gates). Enhanced versions are available that support various cipher modes (ECB, CBC, OFB, CFB, CTR.
The design is fully synchronous and available in both source and netlist form. Test bench includes the Kasumi test vectors.
KSM1 core is supplied as portable Verilog (VHDL version available) thus allowing customers to carry out an internal code review to ensure its security.