Commit Graph
3 Commits
Author SHA1 Message Date
Austin Clements 5953a478da blake2s: use proper Go frame sizes
Currently blake2s's assembly routines claim they have a zero byte
frame and manually subtract upwards of 704 bytes from the stack
pointer without cooperating with Go's ABI. As a result, these
functions may not grow the stack when necessary, leading to memory
corruption.

Fix this by using the correct stack frame sizes so the generated stack
growth prologue is correct, and aligning the SP up instead of down.

Change-Id: Ic426338c45c94a2c01d549860c2295a0ee9200bf
Reviewed-on: https://go-review.googlesource.com/31583
Reviewed-by: Adam Langley <agl@golang.org>
Reviewed-by: Andreas Auernhammer <aead@mail.de>
Reviewed-by: Minux Ma <minux@golang.org>
2016-10-21 19:51:11 +00:00
Andreas Auernhammer c367d6eeb7 blake2s,blake2b: fix typo in package doc
Change-Id: I6c33e69dc3e45d86843861973952d6f11c0fae88
Reviewed-on: https://go-review.googlesource.com/31397
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2016-10-19 07:14:13 +00:00
Andreas Auernhammer 4428aee3e5 blake2s: new package
Add hash function BLAKE2s defined in RFC 7693.

On amd64/SSE4:
name       time/op
Write64-4    125ns ± 0%
Write1K-4   1.64µs ± 1%
Sum64-4      152ns ± 0%
Sum1K-4     1.67µs ± 1%

name       speed
Write64-4  508MB/s ± 0%
Write1K-4  624MB/s ± 1%
Sum64-4    420MB/s ± 0%
Sum1K-4    612MB/s ± 1%

On amd64/SSSE3:
name       time/op
Write64-4    172ns ± 0%
Write1K-4   2.42µs ± 0%
Sum64-4      172ns ± 0%
Sum1K-4     2.42µs ± 0%

name       speed
Write64-4  370MB/s ± 0%
Write1K-4  423MB/s ± 0%
Sum64-4    370MB/s ± 0%
Sum1K-4    422MB/s ± 0%

Change-Id: I5a17cc32d8f17d43db8b1d879af6ab68b44d630c
Reviewed-on: https://go-review.googlesource.com/30913
Run-TryBot: Adam Langley <agl@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Adam Langley <agl@golang.org>
2016-10-17 17:13:37 +00:00