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74c2ba9521
HKDF is commonly used to read keys that are the the same length (or smaller) than the size of the hash digest, which means the loop inside Read only runs once. In that case, calling Reset is unnecesssary overhead. name old time/op new time/op delta 16ByteMD5Single-8 1.39µs ± 1% 1.22µs ± 0% -11.95% (p=0.000 n=10+9) 20ByteSHA1Single-8 826ns ± 0% 746ns ± 0% -9.70% (p=0.000 n=9+10) 32ByteSHA256Single-8 838ns ± 1% 744ns ± 0% -11.29% (p=0.000 n=10+10) 64ByteSHA512Single-8 5.12µs ± 0% 4.57µs ± 0% -10.78% (p=0.000 n=8+10) 8ByteMD5Stream-8 137ns ± 0% 138ns ± 0% +0.27% (p=0.009 n=9+6) 16ByteMD5Stream-8 264ns ± 0% 265ns ± 0% +0.29% (p=0.000 n=10+10) 8ByteSHA1Stream-8 64.1ns ± 0% 64.4ns ± 0% +0.60% (p=0.000 n=9+9) 20ByteSHA1Stream-8 145ns ± 0% 146ns ± 1% +0.69% (p=0.000 n=9+10) 8ByteSHA256Stream-8 42.9ns ± 1% 43.1ns ± 0% +0.48% (p=0.005 n=10+10) 32ByteSHA256Stream-8 151ns ± 0% 152ns ± 0% +0.35% (p=0.006 n=10+8) 8ByteSHA512Stream-8 139ns ± 0% 139ns ± 0% +0.08% (p=0.035 n=9+10) 64ByteSHA512Stream-8 1.07µs ± 0% 1.07µs ± 0% +0.33% (p=0.000 n=9+10) name old speed new speed delta 16ByteMD5Single-8 11.6MB/s ± 0% 13.1MB/s ± 0% +13.50% (p=0.000 n=9+9) 20ByteSHA1Single-8 24.2MB/s ± 0% 26.8MB/s ± 0% +10.75% (p=0.000 n=9+10) 32ByteSHA256Single-8 38.2MB/s ± 1% 43.0MB/s ± 0% +12.72% (p=0.000 n=10+10) 64ByteSHA512Single-8 12.5MB/s ± 0% 14.0MB/s ± 0% +12.06% (p=0.000 n=8+10) 8ByteMD5Stream-8 58.2MB/s ± 0% 58.1MB/s ± 0% -0.27% (p=0.004 n=9+9) 16ByteMD5Stream-8 60.6MB/s ± 0% 60.5MB/s ± 0% -0.27% (p=0.000 n=9+10) 8ByteSHA1Stream-8 125MB/s ± 0% 124MB/s ± 0% -0.59% (p=0.000 n=9+9) 20ByteSHA1Stream-8 138MB/s ± 0% 137MB/s ± 1% -0.69% (p=0.000 n=9+10) 8ByteSHA256Stream-8 186MB/s ± 1% 185MB/s ± 0% -0.47% (p=0.005 n=10+10) 32ByteSHA256Stream-8 211MB/s ± 0% 211MB/s ± 0% -0.37% (p=0.003 n=10+8) 8ByteSHA512Stream-8 57.4MB/s ± 1% 57.4MB/s ± 0% ~ (p=0.137 n=10+10) 64ByteSHA512Stream-8 59.9MB/s ± 0% 59.7MB/s ± 0% -0.33% (p=0.000 n=9+10) name old alloc/op new alloc/op delta 16ByteMD5Single-8 1.17kB ± 0% 0.98kB ± 0% -16.42% (p=0.000 n=10+10) 20ByteSHA1Single-8 1.25kB ± 0% 1.06kB ± 0% -15.37% (p=0.000 n=10+10) 32ByteSHA256Single-8 1.36kB ± 0% 1.14kB ± 0% -16.46% (p=0.000 n=10+10) 64ByteSHA512Single-8 2.26kB ± 0% 1.84kB ± 0% -18.43% (p=0.000 n=10+10) 8ByteMD5Stream-8 2.00B ± 0% 2.00B ± 0% ~ (all equal) 16ByteMD5Stream-8 5.00B ± 0% 5.00B ± 0% ~ (all equal) 8ByteSHA1Stream-8 2.00B ± 0% 2.00B ± 0% ~ (all equal) 20ByteSHA1Stream-8 5.00B ± 0% 5.00B ± 0% ~ (all equal) 8ByteSHA256Stream-8 1.00B ± 0% 1.00B ± 0% ~ (all equal) 32ByteSHA256Stream-8 6.00B ± 0% 6.00B ± 0% ~ (all equal) 8ByteSHA512Stream-8 1.00B ± 0% 1.00B ± 0% ~ (all equal) 64ByteSHA512Stream-8 9.00B ± 0% 9.00B ± 0% ~ (all equal) name old allocs/op new allocs/op delta 16ByteMD5Single-8 16.0 ± 0% 14.0 ± 0% -12.50% (p=0.000 n=10+10) 20ByteSHA1Single-8 16.0 ± 0% 14.0 ± 0% -12.50% (p=0.000 n=10+10) 32ByteSHA256Single-8 16.0 ± 0% 14.0 ± 0% -12.50% (p=0.000 n=10+10) 64ByteSHA512Single-8 16.0 ± 0% 14.0 ± 0% -12.50% (p=0.000 n=10+10) 8ByteMD5Stream-8 0.00 0.00 ~ (all equal) 16ByteMD5Stream-8 1.00 ± 0% 1.00 ± 0% ~ (all equal) 8ByteSHA1Stream-8 0.00 0.00 ~ (all equal) 20ByteSHA1Stream-8 1.00 ± 0% 1.00 ± 0% ~ (all equal) 8ByteSHA256Stream-8 0.00 0.00 ~ (all equal) 32ByteSHA256Stream-8 1.00 ± 0% 1.00 ± 0% ~ (all equal) 8ByteSHA512Stream-8 0.00 0.00 ~ (all equal) 64ByteSHA512Stream-8 1.00 ± 0% 1.00 ± 0% ~ (all equal) Change-Id: I08e5deb7045ce9aa63428e0ac7ae6140226414b4 Reviewed-on: https://go-review.googlesource.com/c/crypto/+/423414 Reviewed-by: Roland Shoemaker <roland@golang.org> TryBot-Result: Gopher Robot <gobot@golang.org> Run-TryBot: Roland Shoemaker <roland@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Tatiana Bradley <tatianabradley@google.com> |
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| .. | ||
| example_test.go | ||
| hkdf.go | ||
| hkdf_test.go | ||