Research Article

Prime Field ECDSA Signature Processing for Reconfigurable Embedded Systems

Table 3

Resource usage on an XC5VLX110T with 69.120 LUTs.

LUT-FF Pairs (synthesis) Rel. res. usage on FPGA Max. frequency (MHz)

Signature unit 32.299 46.7% 50
ECDSA unit 24.637 36% 50.1
Hashing unit 2.277 3% 120.8
PRNG 482 0.7% 872.6
-ALU 14.256 20% 41.2
-ADD 858 1.2% 83
-SUB 857 1.2% 92.8
-MUL 2.320 3.4% 42.3
-DIV 5.670 8.2% 73.4