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question about C66x SA and SHA-256

Jeff Brower73
Genius 3420 points
Other Parts Discussed in Thread: SHA-256

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Using, say, a 1 Gb/sec rate for SA SHA-256 capacity, to obtain hash/sec, would we divide by 512 bits (internal block size)?

Thanks.

-Jeff
Signalogic

  • 0
    TI__Guru* 95265 points

    The security accelerator provides wire-speed processing on 1-Gbps Ethernet traffic on IPSec, SRTP, and 3GPP Air interface security protocols. This 1 Gb/s is the Ethernet wire rate, the packet has header so the real data to be processed by SA is less than 1 Gb/s. The SHA2-256 use 512 bit hash block size. The hash/sec number needs to be divided by 512.

    Regards, Eric