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    • Niels Möller's avatar
      ChangeLog entry for arm64 sha1. · e60d8367
      Niels Möller authored
      e60d8367
    • Maamoun TK's avatar
      aarch64: Optimize SHA1 Compress · 47cafcf2
      Maamoun TK authored
      This patch optimizes SHA1 compress function for arm64 architecture by
      taking advantage of SHA-1 instructions of Armv8 crypto extension.
      The SHA-1 instructions:
      SHA1C: SHA1 hash update (choose)
      SHA1H: SHA1 fixed rotate
      SHA1M: SHA1 hash update (majority)
      SHA1P: SHA1 hash update (parity)
      SHA1SU0: SHA1 schedule update 0
      SHA1SU1: SHA1 schedule update 1
      
      Benchmark on gcc117 instance of CFarm before applying the patch:
               Algorithm         mode Mbyte/s
               sha1            update  214.16
               openssl sha1    update  849.44
               hmac-sha1     64 bytes   61.69
               hmac-sha1    256 bytes  131.50
               hmac-sha1   1024 bytes  185.20
               hmac-sha1   4096 bytes  204.55
               hmac-sha1   single msg  210.97
      
      Benchmark on gcc117 instance of CFarm after applying the patch:
               Algorithm         mode Mbyte/s
                    sha1       update  800.80
            openssl sha1       update  849.17
               hmac-sha1     64 bytes  166.10
               hmac-sha1    256 bytes  409.24
               hmac-sha1   1024 bytes  636.98
               hmac-sha1   4096 bytes  739.20
               hmac-sha1   single msg  775.67
      47cafcf2
  15. 24 May, 2021 1 commit
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