| commit | b49d69b5da943f7ef3c9cf91c8777c1f78a0cc3c | [log] [tgz] |
|---|---|---|
| author | Michael Munday <mike.munday@ibm.com> | Wed Apr 25 10:55:48 2018 -0400 |
| committer | Michael Munday <mike.munday@ibm.com> | Thu Apr 26 23:03:45 2018 +0000 |
| tree | d4407d39343af61e369396a27ec9aa5443f7e48e | |
| parent | 754cb46fa0b799769e2646654d65ef7dc5b61977 [diff] |
internal/chacha20: add s390x SIMD implementation Based on the SIMD algorithm described in: ChaCha, a variant of Salsa20 by Daniel J. Bernstein https://cr.yp.to/chacha/chacha-20080128.pdf Requires the vector facility (vx). name old speed new speed delta ChaCha20/32 178MB/s ± 0% 174MB/s ± 0% -2.10% (p=0.000 n=9+10) ChaCha20/63 341MB/s ± 0% 337MB/s ± 0% -1.16% (p=0.000 n=10+10) ChaCha20/64 367MB/s ± 0% 335MB/s ± 0% -8.73% (p=0.000 n=10+10) ChaCha20/256 404MB/s ± 0% 1448MB/s ± 0% +258.61% (p=0.000 n=9+10) ChaCha20/1024 410MB/s ± 0% 1568MB/s ± 0% +282.73% (p=0.000 n=9+10) ChaCha20/1350 393MB/s ± 0% 1389MB/s ± 0% +253.58% (p=0.000 n=10+10) ChaCha20/65536 414MB/s ± 0% 1634MB/s ± 0% +294.79% (p=0.000 n=10+10) Change-Id: I9a600fb5ae8ee3f3b81ae6b01cff139c1272d684 Reviewed-on: https://go-review.googlesource.com/35842 Run-TryBot: Michael Munday <mike.munday@ibm.com> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This repository holds supplementary Go cryptography libraries.
The easiest way to install is to run go get -u golang.org/x/crypto/.... You can also manually git clone the repository to $GOPATH/src/golang.org/x/crypto.
This repository uses Gerrit for code changes. To learn how to submit changes to this repository, see https://golang.org/doc/contribute.html.
The main issue tracker for the crypto repository is located at https://github.com/golang/go/issues. Prefix your issue with “x/crypto:” in the subject line, so it is easy to find.
Note that contributions to the cryptography package receive additional scrutiny due to their sensitive nature. Patches may take longer than normal to receive feedback.