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Performance of Run Time Integrity Checker (RTIC) in i.MX51

Question asked by Nader Rabadi on Feb 2, 2015
Latest reply on Feb 3, 2015 by Yuri Muhin



I am using i.MX51 and testing the performance of RTIC. I setup RTIC as follows:

1. Run Time Hash mode

2. SHA256 algorithm

3. DMA Burst Size 16 words

4. DMA Throttle is 1


The performance that I measured is a bit disappointing. For example, it takes ~60 seconds (1 minute) to hash 30MBytes of data. Whereas it takes ~6 seconds if I use software-based API to hash 30MBytes.


I am interested to know if there are limitations of using RTIC  or if there are additional setup to boost its performance.


Thank you