Hardware

The LED lightweight block cipher has been designed for very constraint environments. We list here the best known hardware implementations of LED (* denotes estimated values).

Flexible Keys


Area [GE]  cycles
per block
T'Put 
[kbps]
FOM
[b/clk/GE2x109
]
LED-64 966 1248 5.1 55
LED-64* 2695 32  198.9 275
LED-80* 1040 1872 3.4 32
LED-80* 2780  48 133  173
LED-96* 1116 1872 3.4 27
LED-96* 2866  48 133 162
LED-128 1265 1872 3.4 21
LED-128* 3036   48 133 145


Hard-wired Keys


Area [GE]  cycles
per block
T'Put 
[kbps]
FOM
[b/clk/GE2x109
]
LED-64 688 1248 5.1 108
LED-64* 2354  32 198.9 361
LED-80* 690 1872 3.4 72
LED-80* 2354  48 133 241
LED-96* 695 1872 3.4 71
LED-96* 2354   48  133 241
LED-128 700 1872 3.4 70
LED-128* 2354  48  133 241


The serialized architecture is depicted below.