Lightweight Crypto Stack for TPMS Using Lesamnta-LW

Table 4

Implementation results of Lesamnta-LW-based authenticated encryption on AVR ATmega 128 platform.

Mechanism	Code (byte)	RAM (data) (byte)	RAM (stack) (byte)	No. of cycles @16 MHz	Time (ms)	Compiler option
Lesamnta-LW-based Enc-then-MAC	1846	120	74	155652	9.73	−O1
	1962	120	68	144449	9.03	−O2
	2726	120	63	114963	7.19	−O3
	1836	120	81	157802	9.86	−Os