https://devzone.nordicsemi.com/f/nordic-q-a/62601/cc310-and-mbed-tls-crypto-engines-performance-issueHi Team, We have used the &quot;CC310&quot; and &quot;mbed TLS&quot; both the crypto engines in my application with conditional compilation on NRF52840 soc. We have measured the timings for both the engines for one of my BLE command and observed that CC310 taking moreen-USTelligent Community 13Tue, 16 Jun 2020 11:57:00 GMThttps://devzone.nordicsemi.com/thread/255242?ContentTypeID=1Tue, 16 Jun 2020 11:57:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a364a66a-2b95-41ee-ad20-d3906dbcbb46Einar Thorsrud<p>Hi&nbsp;Srinivas,</p> <p>Generally, CC310 should be the fastest yes, but there can be some exceptions.&nbsp;Which crypto operation(s) are you using?</p> <p>Also, if you use SHA-512(?) this is a special case since the CC310 does not have SHA-512 support in HW, and therefore this is done entirely in SW in the CC310 runtime library.</p> <p>Einar</p><div style="clear:both;"></div>