The AES-GCM128 core from Alma Technologies implements the GCM-AES authenticated encryption and decryption ... only 12/14/16 clock cycles are required per 128-bit block for 128/192/256-bit cipher-key ...

using cipher keys with lengths of 128, 192, and 256 bits. Countermeasures against side-channel attacks (DPA) are implemented in the AES IP Core. AES GCM IP Core is compatible with Xilinx FPGAs and ...