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Table 5 Average runtimes (100 runs) for SHA1 and AES 256 on the TrustCAM prototype. For comparison, measurements on a laptop (Core2 Duo, 1.6 GHz) are given.

From: Securing Embedded Smart Cameras with Trusted Computing

 

Data Size

Runtime

  

TrustCAM

Laptop

SHA1

8 kB

0.4 ms

0.05 ms

 

15 kB

0.7 ms

0.09 ms

 

40 kB

1.9 ms

0.3 ms

 

80 kB

3.8 ms

2.1 ms

AES 256

8 kB

1.6 ms

0.2 ms

 

15 kB

2.9 ms

0.3 ms

 

40 kB

7.6 ms

0.7 ms

 

80 kB

15.4 ms

1.4 ms