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14 Commits
Author SHA1 Message Date
Andreas Auernhammer 55a552f082 x/crypto/*: add import comment 
Add import comment for blake2b, blake2s, chacha20poly1305 and cryptobyte.

Change-Id: I4703b5cd669e43a5d81422b2ded8b8f54eee5f9b
Reviewed-on: https://go-review.googlesource.com/39952
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
 2017-04-07 17:36:45 +00:00
Michael Munday 854ae91cdc crypto/chacha20poly1305: rename test vectors file 
The previous name did not have the '_test.go' suffix and so was
always built.

Change-Id: I2d18d0ba5c863ac7f0dd0465ebafba4e022faa14
Reviewed-on: https://go-review.googlesource.com/35875
Run-TryBot: Michael Munday <munday@ca.ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
 2017-01-26 20:06:16 +00:00
Michael Munday 33e8e8f6b3 crypto/chacha20poly1305/internal/chacha20: add missing copyright header 
The file was originally added in 2016.

Change-Id: I1b5c01400fb73e83f39c086ea1235a948d27308d
Reviewed-on: https://go-review.googlesource.com/35874
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
 2017-01-26 20:05:52 +00:00
Lion Yang cb497ae8f1 chacha20poly1305: fix detection of BMI on amd64 
This change detects BMI2 usability as an additional condition
to examine the usability of AVX2 version algorithm, fixes
the crash on the platfrom which supports AVX2 but not support BMI2.

Change-Id: I5438d4ec84265c79a51c1439265a33b1be04878a
Reviewed-on: https://go-review.googlesource.com/34852
Reviewed-by: Adam Langley <agl@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
 2017-01-06 18:10:41 +00:00
Mikio Hara 2b786ab9e9 chacha20poly1305: fix typos 
Change-Id: I55a2ad4495f4e1164af6a8504b035cf658f8b822
Reviewed-on: https://go-review.googlesource.com/34536
Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
 2016-12-19 15:50:45 +00:00
Mikio Hara a70a72a727 chacha20poly1305: fix typos 
Change-Id: Icf4ccb29e9eae0fb6fd237ca1d8785d4fd39a8d8
Reviewed-on: https://go-review.googlesource.com/34534
Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
 2016-12-19 06:01:24 +00:00
Shenghou Ma 8a549a1948 chacha20poly1305: make polyHashADInternal private 
For golang/go#18154.

Change-Id: Ieab8bae9cb8be5e2817a87ae62ac0a2218f63dbb
Reviewed-on: https://go-review.googlesource.com/33855
Run-TryBot: Minux Ma <minux@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
 2016-12-02 06:00:03 +00:00
Alex Vaghin 9477e0b78b chacha20poly1305: fix build constraints 
Similarly to https://go-review.googlesource.com/32311,
chacha20poly1305 needs additional build constraints
for non-standard toolchains.

Change-Id: I22816ef333c05450e9ab4debb3ce591518b6b84b
Reviewed-on: https://go-review.googlesource.com/32391
Run-TryBot: Alex Vaghin <ddos@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Adam Langley <agl@golang.org>
 2016-10-31 18:08:06 +00:00
Adam Langley 14f9af67c6 chacha20poly1305: scope assembly constants 
The names of the constant values were previously not scoped to the
package and |andMask| could collide with the variable of the same name
in the AES-GCM assembly.

Change-Id: I9387a6cace71a585ad2fe2afcc8436d44bde0917
Reviewed-on: https://go-review.googlesource.com/31265
Run-TryBot: Adam Langley <agl@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
 2016-10-17 20:27:11 +00:00
Andreas Auernhammer 5f4e837b98 chacha20poly1305: fix amd64 assembly - replace PINSRB and PEXTRQ 
The SSE code of chacha20poly1305 used PINSRB and PEXTRQ, which are only available
on machines supporting SSE4.1.

Fixes golang/go#17464

Change-Id: Ic7313433cb21f9a3709d23b50ab58ac1d87957af
Reviewed-on: https://go-review.googlesource.com/31187
Reviewed-by: Adam Langley <agl@golang.org>
Run-TryBot: Adam Langley <agl@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
 2016-10-17 00:19:40 +00:00
Adam Langley 1ed0c38df5 chacha20poly1305: clarify the correct attribution for the AMD64 assembly. 
I pushed from the wrong terminal when addressing the comments on
https://golang.org/cl/31256/

Change-Id: Ic75f8348294ed0e4f77a59de948096269a454bcb
Reviewed-on: https://go-review.googlesource.com/31256
Reviewed-by: Adam Langley <agl@golang.org>
 2016-10-16 19:04:44 +00:00
Adam Langley 6bcc37609f chacha20poly1305: clarify the correct attribution for the AMD64 assembly. 
Change-Id: I9c247e49a13788408b4fe49676520d608d8c4380
Reviewed-on: https://go-review.googlesource.com/31090
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Adam Langley <agl@golang.org>
 2016-10-16 19:01:39 +00:00
Brad Fitzpatrick 5f31782cfb poly1305, chacha20poly1305: fix build for Go 1.6 
Fixes golang/go#17424

Change-Id: I49d6e475c173da6a31542931d555ab87cc45a1c6
Reviewed-on: https://go-review.googlesource.com/30971
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Adam Langley <agl@golang.org>
 2016-10-12 22:20:46 +00:00
Adam Langley 594708b89f chacha20poly1305: new package. 
This change adds a package, chacha20poly1305, which implements the
ChaCha20-Poly1305 AEAD from RFC 7539. This AEAD has several attractive
features:
   1. It's naturally constant time. AES-GCM needs either dedicated
      hardware or extreme effort to be fast and constant-time, while
      this design is easy to make constant-time.
   2. It's fast on modern processors: it runs at 1GB/s on my IvyBrige
      system.
   3. It's seeing significant use in TLS. (A change for crypto/tls is
      forthcoming.)

This change merges two CLs:
  https://go-review.googlesource.com/#/c/24717
  https://go-review.googlesource.com/#/c/26691

I took the amd64-optimised AEAD implementation from the former because
it was significantly faster. But the structure of the change is taken
from the latter.

This version will be checked into x/crypto. This package will then be
vendored into the stdlib so that it can be used from crypto/tls.

Change-Id: I5a60587958b7afeec81ca1091e603a7e8517000b
Reviewed-on: https://go-review.googlesource.com/30728
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
 2016-10-11 21:59:08 +00:00