mirrors/utls
1
0
Fork 0
mirror of https://github.com/refraction-networking/utls.git synced 2025-04-03 20:17:36 +03:00
Code Issues Projects Releases Packages Wiki Activity

crypto/tls: remove bookkeeping code from pHash function

Browse source 
Since copy function can figure out how many bytes of data to copy when
two slices have different length, it is not necessary to check how many
bytes need to copy each time before copying the data.

Change-Id: I5151ddfe46af5575566fe9c9a2648e111575ec3d
Reviewed-on: https://go-review.googlesource.com/71090
Reviewed-by: Filippo Valsorda <hi@filippo.io>
Run-TryBot: Filippo Valsorda <hi@filippo.io>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Joe Kyo 2017-10-16 07:25:14 +01:00 • committed by Filippo Valsorda
parent b3caca679b
commit fd917e14e0
1 changed files with 2 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

8
prf.go
View file

@ -35,12 +35,8 @@ func pHash(result, secret, seed []byte, hash func() hash.Hash) {
h.Write(a)
h.Write(seed)
b := h.Sum(nil)
todo := len(b)
if j+todo > len(result) {
todo = len(result) - j
}
copy(result[j:j+todo], b)
j += todo
copy(result[j:], b)
j += len(b)
h.Reset()
h.Write(a)