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12 Commits
Author SHA1 Message Date
Roland Shoemaker 7042ebcbe0 openpgp/clearsign: just use rand.Reader in tests
Instead of a convoluted fake rand, it is _basically_ just as fast, and
fixes errors that pop up due to bad entropy.

Fixes golang/go#70682

Change-Id: Ib0f605398d1092b516b03135f602c644be2a060f
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/633655
Reviewed-by: Tatiana Bradley <tatianabradley@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Roland Shoemaker <roland@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
2024-12-04 19:36:17 +00:00
Gopher Robot 3e90321ac7 go.mod: update golang.org/x dependencies
Update golang.org/x dependencies to their latest tagged versions.

Change-Id: I580d412fc4a135696d4054f8007593cfa4f64224
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/633480
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Gopher Robot <gobot@golang.org>
2024-12-04 16:35:48 +00:00
Gopher Robot 8c4e668694 x509roots/fallback: update bundle
This is an automated CL which updates the NSS root bundle.

Change-Id: Ic5267bf9d66b676e1cfc5fc2ae153afb8f33b29c
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/631635
Auto-Submit: Gopher Robot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2024-11-27 18:44:53 +00:00
Gopher Robot 6018723c74 go.mod: update golang.org/x dependencies
Update golang.org/x dependencies to their latest tagged versions.

Change-Id: Ib4976eb0b062bcd71c208afc9ff53e8c3068fbf9
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/626377
Reviewed-by: David Chase <drchase@google.com>
Auto-Submit: Gopher Robot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2024-11-07 22:54:53 +00:00
Ian Lance Taylor 71ed71b4fa README: don't recommend go get
These days people will just import the packages and the go tool will
do the right thing. We don't need to explain it.

Add a pointer to the git repo, though.

For golang/go#62645

Change-Id: I8b1e4a877bd83fe6891688a44d27a6c7902c8979
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/624155
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Commit-Queue: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
2024-11-04 00:10:25 +00:00
Filippo Valsorda 750a45fe5e sha3: add MarshalBinary, AppendBinary, and UnmarshalBinary
Fixes golang/go#24617

Change-Id: I1d9d529950aa8a5953435e8d3412cda44b075d55
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/616635
Reviewed-by: Roland Shoemaker <roland@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: Michael Pratt <mpratt@google.com>
2024-10-22 19:51:02 +00:00
Filippo Valsorda 36b172546b sha3: avoid trailing permutation
If you read a multiple of the rate, and then stop, there is no point in
running the final permutation.

Change-Id: Ic95e70f78b6e139aca1d3e3c11e09d2bbcf54f6c
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/620555
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: Roland Shoemaker <roland@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
2024-10-22 19:50:23 +00:00
Filippo Valsorda 80ea76eb17 sha3: fix padding for long cSHAKE parameters
We used to compute the incorrect value if len(initBlock) % rate == 0.

Also, add a test vector for golang/go#66232, confirmed to fail on
GOARCH=386 without CL 570876.

Fixes golang/go#69169

Change-Id: I3f2400926fca111dd0ca1327d6b5975e51b28f96
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/616576
Reviewed-by: Andrew Ekstedt <andrew.ekstedt@gmail.com>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
2024-10-22 19:50:19 +00:00
Filippo Valsorda c17aa50fbd sha3: avoid buffer copy
Previously, the package worked by copying the input (or the output) into
a buffer, and then XOR'ing (or copying) it into (or out of) the state.
(Except for an input fast path.) There's no need for that! We can XOR
straight into the state, and copy straight out of it, at least on little
endian machines. This is a bit faster, almost halves the state size, and
will make it easier to implement marshaling, but most importantly look
at how much simpler it makes the code!

go: go1.23.0
goos: linux
goarch: amd64
pkg: golang.org/x/crypto/sha3
cpu: AMD Ryzen 7 PRO 8700GE w/ Radeon 780M Graphics
                      │ v0.27.0-2-g42ee18b9637 │    v0.27.0-2-g42ee18b9637-dirty    │
                      │         sec/op         │   sec/op     vs base               │
PermutationFunction-8              270.8n ± 0%   270.4n ± 0%       ~ (p=0.099 n=10)
Sha3_512_MTU-8                     5.762µ ± 0%   5.658µ ± 0%  -1.80% (p=0.000 n=10)
Sha3_384_MTU-8                     4.179µ ± 0%   4.070µ ± 0%  -2.60% (p=0.000 n=10)
Sha3_256_MTU-8                     3.316µ ± 0%   3.214µ ± 0%  -3.08% (p=0.000 n=10)
Sha3_224_MTU-8                     3.175µ ± 0%   3.061µ ± 0%  -3.61% (p=0.000 n=10)
Shake128_MTU-8                     2.779µ ± 0%   2.681µ ± 0%  -3.51% (p=0.000 n=10)
Shake256_MTU-8                     2.947µ ± 0%   2.957µ ± 0%  +0.32% (p=0.000 n=10)
Shake256_16x-8                     44.15µ ± 0%   44.45µ ± 0%  +0.67% (p=0.000 n=10)
Shake256_1MiB-8                    2.319m ± 0%   2.274m ± 0%  -1.93% (p=0.000 n=10)
Sha3_512_1MiB-8                    4.204m ± 0%   4.219m ± 0%  +0.34% (p=0.000 n=10)
geomean                            13.75µ        13.54µ       -1.55%

                      │ v0.27.0-2-g42ee18b9637 │    v0.27.0-2-g42ee18b9637-dirty     │
                      │          B/s           │     B/s       vs base               │
PermutationFunction-8             704.3Mi ± 0%   705.4Mi ± 0%       ~ (p=0.105 n=10)
Sha3_512_MTU-8                    223.5Mi ± 0%   227.6Mi ± 0%  +1.83% (p=0.000 n=10)
Sha3_384_MTU-8                    308.1Mi ± 0%   316.4Mi ± 0%  +2.67% (p=0.000 n=10)
Sha3_256_MTU-8                    388.2Mi ± 0%   400.5Mi ± 0%  +3.17% (p=0.000 n=10)
Sha3_224_MTU-8                    405.5Mi ± 0%   420.7Mi ± 0%  +3.73% (p=0.000 n=10)
Shake128_MTU-8                    463.4Mi ± 0%   480.2Mi ± 0%  +3.64% (p=0.000 n=10)
Shake256_MTU-8                    436.9Mi ± 0%   435.5Mi ± 0%  -0.32% (p=0.000 n=10)
Shake256_16x-8                    353.9Mi ± 0%   351.5Mi ± 0%  -0.66% (p=0.000 n=10)
Shake256_1MiB-8                   431.2Mi ± 0%   439.7Mi ± 0%  +1.97% (p=0.000 n=10)
Sha3_512_1MiB-8                   237.8Mi ± 0%   237.1Mi ± 0%  -0.33% (p=0.000 n=10)
geomean                           375.7Mi        381.6Mi       +1.57%

Even stronger effect when patched on top of CL 616555 (forced on).

go: go1.23.0
goos: darwin
goarch: arm64
pkg: golang.org/x/crypto/sha3
cpu: Apple M2
                      │    old    │               new                   │
                      │   sec/op  │     sec/op     vs base              │
PermutationFunction-8   154.7n ± 2%   153.8n ± 1%        ~ (p=0.469 n=10)
Sha3_512_MTU-8          3.260µ ± 2%   3.143µ ± 2%   -3.60% (p=0.000 n=10)
Sha3_384_MTU-8          2.389µ ± 2%   2.244µ ± 2%   -6.07% (p=0.000 n=10)
Sha3_256_MTU-8          1.950µ ± 2%   1.758µ ± 1%   -9.87% (p=0.000 n=10)
Sha3_224_MTU-8          1.874µ ± 2%   1.686µ ± 1%  -10.06% (p=0.000 n=10)
Shake128_MTU-8          1.827µ ± 3%   1.447µ ± 1%  -20.80% (p=0.000 n=10)
Shake256_MTU-8          1.665µ ± 3%   1.604µ ± 3%   -3.63% (p=0.003 n=10)
Shake256_16x-8          25.14µ ± 1%   25.23µ ± 2%        ~ (p=0.912 n=10)
Shake256_1MiB-8         1.236m ± 2%   1.243m ± 2%        ~ (p=0.631 n=10)
Sha3_512_1MiB-8         2.296m ± 2%   2.305m ± 1%        ~ (p=0.315 n=10)
geomean                 7.906µ        7.467µ        -5.56%

                      │    old    │               new                   │
                      │    B/op   │      B/op      vs base              │
PermutationFunction-8   1.204Gi ± 2%   1.212Gi ± 1%        ~ (p=0.529 n=10)
Sha3_512_MTU-8          394.9Mi ± 2%   409.7Mi ± 2%   +3.73% (p=0.000 n=10)
Sha3_384_MTU-8          539.0Mi ± 2%   573.8Mi ± 2%   +6.45% (p=0.000 n=10)
Sha3_256_MTU-8          660.3Mi ± 2%   732.6Mi ± 1%  +10.95% (p=0.000 n=10)
Sha3_224_MTU-8          687.1Mi ± 2%   763.9Mi ± 1%  +11.17% (p=0.000 n=10)
Shake128_MTU-8          704.7Mi ± 2%   889.6Mi ± 2%  +26.24% (p=0.000 n=10)
Shake256_MTU-8          773.4Mi ± 3%   802.5Mi ± 3%   +3.76% (p=0.004 n=10)
Shake256_16x-8          621.6Mi ± 1%   619.3Mi ± 2%        ~ (p=0.912 n=10)
Shake256_1MiB-8         809.1Mi ± 2%   804.7Mi ± 2%        ~ (p=0.631 n=10)
Sha3_512_1MiB-8         435.6Mi ± 2%   433.9Mi ± 1%        ~ (p=0.315 n=10)
geomean                 653.6Mi        692.0Mi        +5.88%

Change-Id: I33a0a1ddf305c395f99bf17f81473e2f42c5ce42
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/616575
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Andrew Ekstedt <andrew.ekstedt@gmail.com>
2024-10-21 19:02:20 +00:00
samiponkanen 7cfb9161e8 ssh: return unexpected msg error when server fails keyboard-interactive auth early
Seems the OpenSSH server running on windows fails keyboard-interactive
auth this way without sending any prompt to client. In such case the
golang ssh client should not retry keyboard-interactive auth when the
auth method is wrapped in a RetryableAuthMethod(). Rather the auth
method should be immediately marked as tried&failed and the client auth
process should move on to next available and acceptable auth method.

Fixes golang/go#67855

Change-Id: I6c64ae58ff8325774e37af716601b112f8833d8f
GitHub-Last-Rev: 7fafc4d1c81284b31000d7d6ccadd934dda26d24
GitHub-Pull-Request: golang/crypto#297
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/590956
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Nicola Murino <nicola.murino@gmail.com>
Reviewed-by: Nicola Murino <nicola.murino@gmail.com>
2024-10-16 07:16:19 +00:00
Paul E. Murphy b61b08db44 chacha20: extend ppc64le support to ppc64
This requires fixing an incorrect save of the counter. It is a word
value. It happens to work on LE because length is limited to u32.

Refactor the constant table to load correctly independent of byte
ordering.

Add byte order swapping where output needs converted to LE
ordering for storage.

Change-Id: Ic7e09bd1c769bb77dd6e817f5a8639ba765f4c0f
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/614297
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Archana Ravindar <aravinda@redhat.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2024-10-11 17:09:09 +00:00
Paul E. Murphy 6c21748958 internal/poly1305: extend ppc64le support to ppc64
The cipher needs to load the stream in LE order. Use the byte
reversing loads on BE.

Also, remove the unused variable poly1305Mask in the PPC64
asm file too.

Change-Id: Ie90fe7bb0ea7a3bcb76583e0cf9c1e4133499541
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/614298
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Archana Ravindar <aravinda@redhat.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>
2024-10-04 20:59:56 +00:00
19 changed files with 569 additions and 504 deletions
+5 -8
View File
@@ -2,20 +2,17 @@
[![Go Reference](https://pkg.go.dev/badge/golang.org/x/crypto.svg)](https://pkg.go.dev/golang.org/x/crypto)
This repository holds supplementary Go cryptography libraries.
## Download/Install
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 holds supplementary Go cryptography packages.
## Report Issues / Send Patches
This repository uses Gerrit for code changes. To learn how to submit changes to
this repository, see https://golang.org/doc/contribute.html.
this repository, see https://go.dev/doc/contribute.
The git repository is https://go.googlesource.com/crypto.
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
https://go.dev/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
+1 -1
View File
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build (!arm64 && !s390x && !ppc64le) || !gc || purego
//go:build (!arm64 && !s390x && !ppc64 && !ppc64le) || !gc || purego
package chacha20
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build gc && !purego
//go:build gc && !purego && (ppc64 || ppc64le)
package chacha20
@@ -19,7 +19,7 @@
// The differences in this and the original implementation are
// due to the calling conventions and initialization of constants.
//go:build gc && !purego
//go:build gc && !purego && (ppc64 || ppc64le)
#include "textflag.h"
@@ -36,32 +36,68 @@
// for VPERMXOR
#define MASK R18
DATA consts<>+0x00(SB)/8, $0x3320646e61707865
DATA consts<>+0x08(SB)/8, $0x6b20657479622d32
DATA consts<>+0x10(SB)/8, $0x0000000000000001
DATA consts<>+0x18(SB)/8, $0x0000000000000000
DATA consts<>+0x20(SB)/8, $0x0000000000000004
DATA consts<>+0x28(SB)/8, $0x0000000000000000
DATA consts<>+0x30(SB)/8, $0x0a0b08090e0f0c0d
DATA consts<>+0x38(SB)/8, $0x0203000106070405
DATA consts<>+0x40(SB)/8, $0x090a0b080d0e0f0c
DATA consts<>+0x48(SB)/8, $0x0102030005060704
DATA consts<>+0x50(SB)/8, $0x6170786561707865
DATA consts<>+0x58(SB)/8, $0x6170786561707865
DATA consts<>+0x60(SB)/8, $0x3320646e3320646e
DATA consts<>+0x68(SB)/8, $0x3320646e3320646e
DATA consts<>+0x70(SB)/8, $0x79622d3279622d32
DATA consts<>+0x78(SB)/8, $0x79622d3279622d32
DATA consts<>+0x80(SB)/8, $0x6b2065746b206574
DATA consts<>+0x88(SB)/8, $0x6b2065746b206574
DATA consts<>+0x90(SB)/8, $0x0000000100000000
DATA consts<>+0x98(SB)/8, $0x0000000300000002
DATA consts<>+0xa0(SB)/8, $0x5566774411223300
DATA consts<>+0xa8(SB)/8, $0xddeeffcc99aabb88
DATA consts<>+0xb0(SB)/8, $0x6677445522330011
DATA consts<>+0xb8(SB)/8, $0xeeffccddaabb8899
DATA consts<>+0x00(SB)/4, $0x61707865
DATA consts<>+0x04(SB)/4, $0x3320646e
DATA consts<>+0x08(SB)/4, $0x79622d32
DATA consts<>+0x0c(SB)/4, $0x6b206574
DATA consts<>+0x10(SB)/4, $0x00000001
DATA consts<>+0x14(SB)/4, $0x00000000
DATA consts<>+0x18(SB)/4, $0x00000000
DATA consts<>+0x1c(SB)/4, $0x00000000
DATA consts<>+0x20(SB)/4, $0x00000004
DATA consts<>+0x24(SB)/4, $0x00000000
DATA consts<>+0x28(SB)/4, $0x00000000
DATA consts<>+0x2c(SB)/4, $0x00000000
DATA consts<>+0x30(SB)/4, $0x0e0f0c0d
DATA consts<>+0x34(SB)/4, $0x0a0b0809
DATA consts<>+0x38(SB)/4, $0x06070405
DATA consts<>+0x3c(SB)/4, $0x02030001
DATA consts<>+0x40(SB)/4, $0x0d0e0f0c
DATA consts<>+0x44(SB)/4, $0x090a0b08
DATA consts<>+0x48(SB)/4, $0x05060704
DATA consts<>+0x4c(SB)/4, $0x01020300
DATA consts<>+0x50(SB)/4, $0x61707865
DATA consts<>+0x54(SB)/4, $0x61707865
DATA consts<>+0x58(SB)/4, $0x61707865
DATA consts<>+0x5c(SB)/4, $0x61707865
DATA consts<>+0x60(SB)/4, $0x3320646e
DATA consts<>+0x64(SB)/4, $0x3320646e
DATA consts<>+0x68(SB)/4, $0x3320646e
DATA consts<>+0x6c(SB)/4, $0x3320646e
DATA consts<>+0x70(SB)/4, $0x79622d32
DATA consts<>+0x74(SB)/4, $0x79622d32
DATA consts<>+0x78(SB)/4, $0x79622d32
DATA consts<>+0x7c(SB)/4, $0x79622d32
DATA consts<>+0x80(SB)/4, $0x6b206574
DATA consts<>+0x84(SB)/4, $0x6b206574
DATA consts<>+0x88(SB)/4, $0x6b206574
DATA consts<>+0x8c(SB)/4, $0x6b206574
DATA consts<>+0x90(SB)/4, $0x00000000
DATA consts<>+0x94(SB)/4, $0x00000001
DATA consts<>+0x98(SB)/4, $0x00000002
DATA consts<>+0x9c(SB)/4, $0x00000003
DATA consts<>+0xa0(SB)/4, $0x11223300
DATA consts<>+0xa4(SB)/4, $0x55667744
DATA consts<>+0xa8(SB)/4, $0x99aabb88
DATA consts<>+0xac(SB)/4, $0xddeeffcc
DATA consts<>+0xb0(SB)/4, $0x22330011
DATA consts<>+0xb4(SB)/4, $0x66774455
DATA consts<>+0xb8(SB)/4, $0xaabb8899
DATA consts<>+0xbc(SB)/4, $0xeeffccdd
GLOBL consts<>(SB), RODATA, $0xc0
#ifdef GOARCH_ppc64
#define BE_XXBRW_INIT() \
LVSL (R0)(R0), V24 \
VSPLTISB $3, V25 \
VXOR V24, V25, V24 \
#define BE_XXBRW(vr) VPERM vr, vr, V24, vr
#else
#define BE_XXBRW_INIT()
#define BE_XXBRW(vr)
#endif
//func chaCha20_ctr32_vsx(out, inp *byte, len int, key *[8]uint32, counter *uint32)
TEXT ·chaCha20_ctr32_vsx(SB),NOSPLIT,$64-40
MOVD out+0(FP), OUT
@@ -94,6 +130,8 @@ TEXT ·chaCha20_ctr32_vsx(SB),NOSPLIT,$64-40
// Clear V27
VXOR V27, V27, V27
BE_XXBRW_INIT()
// V28
LXVW4X (CONSTBASE)(R11), VS60
@@ -299,6 +337,11 @@ loop_vsx:
VADDUWM V8, V18, V8
VADDUWM V12, V19, V12
BE_XXBRW(V0)
BE_XXBRW(V4)
BE_XXBRW(V8)
BE_XXBRW(V12)
CMPU LEN, $64
BLT tail_vsx
@@ -327,6 +370,11 @@ loop_vsx:
VADDUWM V9, V18, V8
VADDUWM V13, V19, V12
BE_XXBRW(V0)
BE_XXBRW(V4)
BE_XXBRW(V8)
BE_XXBRW(V12)
CMPU LEN, $64
BLT tail_vsx
@@ -334,8 +382,8 @@ loop_vsx:
LXVW4X (INP)(R8), VS60
LXVW4X (INP)(R9), VS61
LXVW4X (INP)(R10), VS62
VXOR V27, V0, V27
VXOR V27, V0, V27
VXOR V28, V4, V28
VXOR V29, V8, V29
VXOR V30, V12, V30
@@ -354,6 +402,11 @@ loop_vsx:
VADDUWM V10, V18, V8
VADDUWM V14, V19, V12
BE_XXBRW(V0)
BE_XXBRW(V4)
BE_XXBRW(V8)
BE_XXBRW(V12)
CMPU LEN, $64
BLT tail_vsx
@@ -381,6 +434,11 @@ loop_vsx:
VADDUWM V11, V18, V8
VADDUWM V15, V19, V12
BE_XXBRW(V0)
BE_XXBRW(V4)
BE_XXBRW(V8)
BE_XXBRW(V12)
CMPU LEN, $64
BLT tail_vsx
@@ -408,9 +466,9 @@ loop_vsx:
done_vsx:
// Increment counter by number of 64 byte blocks
MOVD (CNT), R14
MOVWZ (CNT), R14
ADD BLOCKS, R14
MOVD R14, (CNT)
MOVWZ R14, (CNT)
RET
tail_vsx:
+3 -3
View File
@@ -4,8 +4,8 @@ go 1.20
require (
golang.org/x/net v0.21.0 // tagx:ignore
golang.org/x/sys v0.26.0
golang.org/x/term v0.25.0
golang.org/x/sys v0.28.0
golang.org/x/term v0.27.0
)
require golang.org/x/text v0.19.0 // indirect
require golang.org/x/text v0.21.0 // indirect
+6 -6
View File
@@ -1,8 +1,8 @@
golang.org/x/net v0.21.0 h1:AQyQV4dYCvJ7vGmJyKki9+PBdyvhkSd8EIx/qb0AYv4=
golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/term v0.25.0 h1:WtHI/ltw4NvSUig5KARz9h521QvRC8RmF/cuYqifU24=
golang.org/x/term v0.25.0/go.mod h1:RPyXicDX+6vLxogjjRxjgD2TKtmAO6NZBsBRfrOLu7M=
golang.org/x/text v0.19.0 h1:kTxAhCbGbxhK0IwgSKiMO5awPoDQ0RpfiVYBfK860YM=
golang.org/x/text v0.19.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/term v0.27.0 h1:WP60Sv1nlK1T6SupCHbXzSaN0b9wUmsPoRS9b61A23Q=
golang.org/x/term v0.27.0/go.mod h1:iMsnZpn0cago0GOrHO2+Y7u7JPn5AylBrcoWkElMTSM=
golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
+1 -1
View File
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build (!amd64 && !ppc64le && !s390x) || !gc || purego
//go:build (!amd64 && !ppc64le && !ppc64 && !s390x) || !gc || purego
package poly1305
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build gc && !purego
//go:build gc && !purego && (ppc64 || ppc64le)
package poly1305
@@ -2,15 +2,25 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build gc && !purego
//go:build gc && !purego && (ppc64 || ppc64le)
#include "textflag.h"
// This was ported from the amd64 implementation.
#ifdef GOARCH_ppc64le
#define LE_MOVD MOVD
#define LE_MOVWZ MOVWZ
#define LE_MOVHZ MOVHZ
#else
#define LE_MOVD MOVDBR
#define LE_MOVWZ MOVWBR
#define LE_MOVHZ MOVHBR
#endif
#define POLY1305_ADD(msg, h0, h1, h2, t0, t1, t2) \
MOVD (msg), t0; \
MOVD 8(msg), t1; \
LE_MOVD (msg)( R0), t0; \
LE_MOVD (msg)(R24), t1; \
MOVD $1, t2; \
ADDC t0, h0, h0; \
ADDE t1, h1, h1; \
@@ -50,10 +60,6 @@
ADDE t3, h1, h1; \
ADDZE h2
DATA ·poly1305Mask<>+0x00(SB)/8, $0x0FFFFFFC0FFFFFFF
DATA ·poly1305Mask<>+0x08(SB)/8, $0x0FFFFFFC0FFFFFFC
GLOBL ·poly1305Mask<>(SB), RODATA, $16
// func update(state *[7]uint64, msg []byte)
TEXT ·update(SB), $0-32
MOVD state+0(FP), R3
@@ -66,6 +72,8 @@ TEXT ·update(SB), $0-32
MOVD 24(R3), R11 // r0
MOVD 32(R3), R12 // r1
MOVD $8, R24
CMP R5, $16
BLT bytes_between_0_and_15
@@ -94,7 +102,7 @@ flush_buffer:
// Greater than 8 -- load the rightmost remaining bytes in msg
// and put into R17 (h1)
MOVD (R4)(R21), R17
LE_MOVD (R4)(R21), R17
MOVD $16, R22
// Find the offset to those bytes
@@ -118,7 +126,7 @@ just1:
BLT less8
// Exactly 8
MOVD (R4), R16
LE_MOVD (R4), R16
CMP R17, $0
@@ -133,7 +141,7 @@ less8:
MOVD $0, R22 // shift count
CMP R5, $4
BLT less4
MOVWZ (R4), R16
LE_MOVWZ (R4), R16
ADD $4, R4
ADD $-4, R5
MOVD $32, R22
@@ -141,7 +149,7 @@ less8:
less4:
CMP R5, $2
BLT less2
MOVHZ (R4), R21
LE_MOVHZ (R4), R21
SLD R22, R21, R21
OR R16, R21, R16
ADD $16, R22
+1 -13
View File
@@ -123,24 +123,12 @@ func TestSigning(t *testing.T) {
}
}
// We use this to make test keys, so that they aren't all the same.
type quickRand byte
func (qr *quickRand) Read(p []byte) (int, error) {
for i := range p {
p[i] = byte(*qr)
}
*qr++
return len(p), nil
}
func TestMultiSign(t *testing.T) {
if testing.Short() {
t.Skip("skipping long test in -short mode")
}
zero := quickRand(0)
config := packet.Config{Rand: &zero}
var config packet.Config
for nKeys := 0; nKeys < 4; nKeys++ {
nextTest:
+4
View File
@@ -5,6 +5,10 @@
// Package sha3 implements the SHA-3 fixed-output-length hash functions and
// the SHAKE variable-output-length hash functions defined by FIPS-202.
//
// All types in this package also implement [encoding.BinaryMarshaler],
// [encoding.BinaryAppender] and [encoding.BinaryUnmarshaler] to marshal and
// unmarshal the internal state of the hash.
//
// Both types of hash function use the "sponge" construction and the Keccak
// permutation. For a detailed specification see http://keccak.noekeon.org/
//
+25 -6
View File
@@ -48,33 +48,52 @@ func init() {
crypto.RegisterHash(crypto.SHA3_512, New512)
}
const (
dsbyteSHA3 = 0b00000110
dsbyteKeccak = 0b00000001
dsbyteShake = 0b00011111
dsbyteCShake = 0b00000100
// rateK[c] is the rate in bytes for Keccak[c] where c is the capacity in
// bits. Given the sponge size is 1600 bits, the rate is 1600 - c bits.
rateK256 = (1600 - 256) / 8
rateK448 = (1600 - 448) / 8
rateK512 = (1600 - 512) / 8
rateK768 = (1600 - 768) / 8
rateK1024 = (1600 - 1024) / 8
)
func new224Generic() *state {
return &state{rate: 144, outputLen: 28, dsbyte: 0x06}
return &state{rate: rateK448, outputLen: 28, dsbyte: dsbyteSHA3}
}
func new256Generic() *state {
return &state{rate: 136, outputLen: 32, dsbyte: 0x06}
return &state{rate: rateK512, outputLen: 32, dsbyte: dsbyteSHA3}
}
func new384Generic() *state {
return &state{rate: 104, outputLen: 48, dsbyte: 0x06}
return &state{rate: rateK768, outputLen: 48, dsbyte: dsbyteSHA3}
}
func new512Generic() *state {
return &state{rate: 72, outputLen: 64, dsbyte: 0x06}
return &state{rate: rateK1024, outputLen: 64, dsbyte: dsbyteSHA3}
}
// NewLegacyKeccak256 creates a new Keccak-256 hash.
//
// Only use this function if you require compatibility with an existing cryptosystem
// that uses non-standard padding. All other users should use New256 instead.
func NewLegacyKeccak256() hash.Hash { return &state{rate: 136, outputLen: 32, dsbyte: 0x01} }
func NewLegacyKeccak256() hash.Hash {
return &state{rate: rateK512, outputLen: 32, dsbyte: dsbyteKeccak}
}
// NewLegacyKeccak512 creates a new Keccak-512 hash.
//
// Only use this function if you require compatibility with an existing cryptosystem
// that uses non-standard padding. All other users should use New512 instead.
func NewLegacyKeccak512() hash.Hash { return &state{rate: 72, outputLen: 64, dsbyte: 0x01} }
func NewLegacyKeccak512() hash.Hash {
return &state{rate: rateK1024, outputLen: 64, dsbyte: dsbyteKeccak}
}
// Sum224 returns the SHA3-224 digest of the data.
func Sum224(data []byte) (digest [28]byte) {
+122 -63
View File
@@ -4,6 +4,15 @@
package sha3
import (
"crypto/subtle"
"encoding/binary"
"errors"
"unsafe"
"golang.org/x/sys/cpu"
)
// spongeDirection indicates the direction bytes are flowing through the sponge.
type spongeDirection int
@@ -14,16 +23,13 @@ const (
spongeSqueezing
)
const (
// maxRate is the maximum size of the internal buffer. SHAKE-256
// currently needs the largest buffer.
maxRate = 168
)
type state struct {
// Generic sponge components.
a [25]uint64 // main state of the hash
rate int // the number of bytes of state to use
a [1600 / 8]byte // main state of the hash
// a[n:rate] is the buffer. If absorbing, it's the remaining space to XOR
// into before running the permutation. If squeezing, it's the remaining
// output to produce before running the permutation.
n, rate int
// dsbyte contains the "domain separation" bits and the first bit of
// the padding. Sections 6.1 and 6.2 of [1] separate the outputs of the
@@ -39,10 +45,6 @@ type state struct {
// Extendable-Output Functions (May 2014)"
dsbyte byte
i, n int // storage[i:n] is the buffer, i is only used while squeezing
storage [maxRate]byte
// Specific to SHA-3 and SHAKE.
outputLen int // the default output size in bytes
state spongeDirection // whether the sponge is absorbing or squeezing
}
@@ -61,7 +63,7 @@ func (d *state) Reset() {
d.a[i] = 0
}
d.state = spongeAbsorbing
d.i, d.n = 0, 0
d.n = 0
}
func (d *state) clone() *state {
@@ -69,22 +71,25 @@ func (d *state) clone() *state {
return &ret
}
// permute applies the KeccakF-1600 permutation. It handles
// any input-output buffering.
// permute applies the KeccakF-1600 permutation.
func (d *state) permute() {
switch d.state {
case spongeAbsorbing:
// If we're absorbing, we need to xor the input into the state
// before applying the permutation.
xorIn(d, d.storage[:d.rate])
d.n = 0
keccakF1600(&d.a)
case spongeSqueezing:
// If we're squeezing, we need to apply the permutation before
// copying more output.
keccakF1600(&d.a)
d.i = 0
copyOut(d, d.storage[:d.rate])
var a *[25]uint64
if cpu.IsBigEndian {
a = new([25]uint64)
for i := range a {
a[i] = binary.LittleEndian.Uint64(d.a[i*8:])
}
} else {
a = (*[25]uint64)(unsafe.Pointer(&d.a))
}
keccakF1600(a)
d.n = 0
if cpu.IsBigEndian {
for i := range a {
binary.LittleEndian.PutUint64(d.a[i*8:], a[i])
}
}
}
@@ -92,53 +97,36 @@ func (d *state) permute() {
// the multi-bitrate 10..1 padding rule, and permutes the state.
func (d *state) padAndPermute() {
// Pad with this instance's domain-separator bits. We know that there's
// at least one byte of space in d.buf because, if it were full,
// at least one byte of space in the sponge because, if it were full,
// permute would have been called to empty it. dsbyte also contains the
// first one bit for the padding. See the comment in the state struct.
d.storage[d.n] = d.dsbyte
d.n++
for d.n < d.rate {
d.storage[d.n] = 0
d.n++
}
d.a[d.n] ^= d.dsbyte
// This adds the final one bit for the padding. Because of the way that
// bits are numbered from the LSB upwards, the final bit is the MSB of
// the last byte.
d.storage[d.rate-1] ^= 0x80
d.a[d.rate-1] ^= 0x80
// Apply the permutation
d.permute()
d.state = spongeSqueezing
d.n = d.rate
copyOut(d, d.storage[:d.rate])
}
// Write absorbs more data into the hash's state. It panics if any
// output has already been read.
func (d *state) Write(p []byte) (written int, err error) {
func (d *state) Write(p []byte) (n int, err error) {
if d.state != spongeAbsorbing {
panic("sha3: Write after Read")
}
written = len(p)
n = len(p)
for len(p) > 0 {
if d.n == 0 && len(p) >= d.rate {
// The fast path; absorb a full "rate" bytes of input and apply the permutation.
xorIn(d, p[:d.rate])
p = p[d.rate:]
keccakF1600(&d.a)
} else {
// The slow path; buffer the input until we can fill the sponge, and then xor it in.
todo := d.rate - d.n
if todo > len(p) {
todo = len(p)
}
d.n += copy(d.storage[d.n:], p[:todo])
p = p[todo:]
x := subtle.XORBytes(d.a[d.n:d.rate], d.a[d.n:d.rate], p)
d.n += x
p = p[x:]
// If the sponge is full, apply the permutation.
if d.n == d.rate {
d.permute()
}
// If the sponge is full, apply the permutation.
if d.n == d.rate {
d.permute()
}
}
@@ -156,14 +144,14 @@ func (d *state) Read(out []byte) (n int, err error) {
// Now, do the squeezing.
for len(out) > 0 {
n := copy(out, d.storage[d.i:d.n])
d.i += n
out = out[n:]
// Apply the permutation if we've squeezed the sponge dry.
if d.i == d.rate {
if d.n == d.rate {
d.permute()
}
x := copy(out, d.a[d.n:d.rate])
d.n += x
out = out[x:]
}
return
@@ -183,3 +171,74 @@ func (d *state) Sum(in []byte) []byte {
dup.Read(hash)
return append(in, hash...)
}
const (
magicSHA3 = "sha\x08"
magicShake = "sha\x09"
magicCShake = "sha\x0a"
magicKeccak = "sha\x0b"
// magic || rate || main state || n || sponge direction
marshaledSize = len(magicSHA3) + 1 + 200 + 1 + 1
)
func (d *state) MarshalBinary() ([]byte, error) {
return d.AppendBinary(make([]byte, 0, marshaledSize))
}
func (d *state) AppendBinary(b []byte) ([]byte, error) {
switch d.dsbyte {
case dsbyteSHA3:
b = append(b, magicSHA3...)
case dsbyteShake:
b = append(b, magicShake...)
case dsbyteCShake:
b = append(b, magicCShake...)
case dsbyteKeccak:
b = append(b, magicKeccak...)
default:
panic("unknown dsbyte")
}
// rate is at most 168, and n is at most rate.
b = append(b, byte(d.rate))
b = append(b, d.a[:]...)
b = append(b, byte(d.n), byte(d.state))
return b, nil
}
func (d *state) UnmarshalBinary(b []byte) error {
if len(b) != marshaledSize {
return errors.New("sha3: invalid hash state")
}
magic := string(b[:len(magicSHA3)])
b = b[len(magicSHA3):]
switch {
case magic == magicSHA3 && d.dsbyte == dsbyteSHA3:
case magic == magicShake && d.dsbyte == dsbyteShake:
case magic == magicCShake && d.dsbyte == dsbyteCShake:
case magic == magicKeccak && d.dsbyte == dsbyteKeccak:
default:
return errors.New("sha3: invalid hash state identifier")
}
rate := int(b[0])
b = b[1:]
if rate != d.rate {
return errors.New("sha3: invalid hash state function")
}
copy(d.a[:], b)
b = b[len(d.a):]
n, state := int(b[0]), spongeDirection(b[1])
if n > d.rate {
return errors.New("sha3: invalid hash state")
}
d.n = n
if state != spongeAbsorbing && state != spongeSqueezing {
return errors.New("sha3: invalid hash state")
}
d.state = state
return nil
}
+149
View File
@@ -13,10 +13,12 @@ package sha3
import (
"bytes"
"compress/flate"
"encoding"
"encoding/hex"
"encoding/json"
"fmt"
"hash"
"io"
"math/rand"
"os"
"strings"
@@ -375,6 +377,153 @@ func TestClone(t *testing.T) {
}
}
func TestCSHAKEAccumulated(t *testing.T) {
// Generated with pycryptodome@3.20.0
//
// from Crypto.Hash import cSHAKE128
// rng = cSHAKE128.new()
// acc = cSHAKE128.new()
// for n in range(200):
// N = rng.read(n)
// for s in range(200):
// S = rng.read(s)
// c = cSHAKE128.cSHAKE_XOF(data=None, custom=S, capacity=256, function=N)
// c.update(rng.read(100))
// acc.update(c.read(200))
// c = cSHAKE128.cSHAKE_XOF(data=None, custom=S, capacity=256, function=N)
// c.update(rng.read(168))
// acc.update(c.read(200))
// c = cSHAKE128.cSHAKE_XOF(data=None, custom=S, capacity=256, function=N)
// c.update(rng.read(200))
// acc.update(c.read(200))
// print(acc.read(32).hex())
//
// and with @noble/hashes@v1.5.0
//
// import { bytesToHex } from "@noble/hashes/utils";
// import { cshake128 } from "@noble/hashes/sha3-addons";
// const rng = cshake128.create();
// const acc = cshake128.create();
// for (let n = 0; n < 200; n++) {
// const N = rng.xof(n);
// for (let s = 0; s < 200; s++) {
// const S = rng.xof(s);
// let c = cshake128.create({ NISTfn: N, personalization: S });
// c.update(rng.xof(100));
// acc.update(c.xof(200));
// c = cshake128.create({ NISTfn: N, personalization: S });
// c.update(rng.xof(168));
// acc.update(c.xof(200));
// c = cshake128.create({ NISTfn: N, personalization: S });
// c.update(rng.xof(200));
// acc.update(c.xof(200));
// }
// }
// console.log(bytesToHex(acc.xof(32)));
//
t.Run("cSHAKE128", func(t *testing.T) {
testCSHAKEAccumulated(t, NewCShake128, rateK256,
"bb14f8657c6ec5403d0b0e2ef3d3393497e9d3b1a9a9e8e6c81dbaa5fd809252")
})
t.Run("cSHAKE256", func(t *testing.T) {
testCSHAKEAccumulated(t, NewCShake256, rateK512,
"0baaf9250c6e25f0c14ea5c7f9bfde54c8a922c8276437db28f3895bdf6eeeef")
})
}
func testCSHAKEAccumulated(t *testing.T, newCShake func(N, S []byte) ShakeHash, rate int64, exp string) {
rnd := newCShake(nil, nil)
acc := newCShake(nil, nil)
for n := 0; n < 200; n++ {
N := make([]byte, n)
rnd.Read(N)
for s := 0; s < 200; s++ {
S := make([]byte, s)
rnd.Read(S)
c := newCShake(N, S)
io.CopyN(c, rnd, 100 /* < rate */)
io.CopyN(acc, c, 200)
c.Reset()
io.CopyN(c, rnd, rate)
io.CopyN(acc, c, 200)
c.Reset()
io.CopyN(c, rnd, 200 /* > rate */)
io.CopyN(acc, c, 200)
}
}
if got := hex.EncodeToString(acc.Sum(nil)[:32]); got != exp {
t.Errorf("got %s, want %s", got, exp)
}
}
func TestCSHAKELargeS(t *testing.T) {
if testing.Short() {
t.Skip("skipping test in short mode.")
}
// See https://go.dev/issue/66232.
const s = (1<<32)/8 + 1000 // s * 8 > 2^32
S := make([]byte, s)
rnd := NewShake128()
rnd.Read(S)
c := NewCShake128(nil, S)
io.CopyN(c, rnd, 1000)
// Generated with pycryptodome@3.20.0
//
// from Crypto.Hash import cSHAKE128
// rng = cSHAKE128.new()
// S = rng.read(536871912)
// c = cSHAKE128.new(custom=S)
// c.update(rng.read(1000))
// print(c.read(32).hex())
//
exp := "2cb9f237767e98f2614b8779cf096a52da9b3a849280bbddec820771ae529cf0"
if got := hex.EncodeToString(c.Sum(nil)); got != exp {
t.Errorf("got %s, want %s", got, exp)
}
}
func TestMarshalUnmarshal(t *testing.T) {
t.Run("SHA3-224", func(t *testing.T) { testMarshalUnmarshal(t, New224()) })
t.Run("SHA3-256", func(t *testing.T) { testMarshalUnmarshal(t, New256()) })
t.Run("SHA3-384", func(t *testing.T) { testMarshalUnmarshal(t, New384()) })
t.Run("SHA3-512", func(t *testing.T) { testMarshalUnmarshal(t, New512()) })
t.Run("SHAKE128", func(t *testing.T) { testMarshalUnmarshal(t, NewShake128()) })
t.Run("SHAKE256", func(t *testing.T) { testMarshalUnmarshal(t, NewShake256()) })
t.Run("cSHAKE128", func(t *testing.T) { testMarshalUnmarshal(t, NewCShake128([]byte("N"), []byte("S"))) })
t.Run("cSHAKE256", func(t *testing.T) { testMarshalUnmarshal(t, NewCShake256([]byte("N"), []byte("S"))) })
t.Run("Keccak-256", func(t *testing.T) { testMarshalUnmarshal(t, NewLegacyKeccak256()) })
t.Run("Keccak-512", func(t *testing.T) { testMarshalUnmarshal(t, NewLegacyKeccak512()) })
}
// TODO(filippo): move this to crypto/internal/cryptotest.
func testMarshalUnmarshal(t *testing.T, h hash.Hash) {
buf := make([]byte, 200)
rand.Read(buf)
n := rand.Intn(200)
h.Write(buf)
want := h.Sum(nil)
h.Reset()
h.Write(buf[:n])
b, err := h.(encoding.BinaryMarshaler).MarshalBinary()
if err != nil {
t.Errorf("MarshalBinary: %v", err)
}
h.Write(bytes.Repeat([]byte{0}, 200))
if err := h.(encoding.BinaryUnmarshaler).UnmarshalBinary(b); err != nil {
t.Errorf("UnmarshalBinary: %v", err)
}
h.Write(buf[n:])
got := h.Sum(nil)
if !bytes.Equal(got, want) {
t.Errorf("got %x, want %x", got, want)
}
}
// BenchmarkPermutationFunction measures the speed of the permutation function
// with no input data.
func BenchmarkPermutationFunction(b *testing.B) {
+51 -32
View File
@@ -16,9 +16,12 @@ package sha3
// [2] https://doi.org/10.6028/NIST.SP.800-185
import (
"bytes"
"encoding/binary"
"errors"
"hash"
"io"
"math/bits"
)
// ShakeHash defines the interface to hash functions that support
@@ -50,41 +53,33 @@ type cshakeState struct {
initBlock []byte
}
// Consts for configuring initial SHA-3 state
const (
dsbyteShake = 0x1f
dsbyteCShake = 0x04
rate128 = 168
rate256 = 136
)
func bytepad(input []byte, w int) []byte {
// leftEncode always returns max 9 bytes
buf := make([]byte, 0, 9+len(input)+w)
buf = append(buf, leftEncode(uint64(w))...)
buf = append(buf, input...)
padlen := w - (len(buf) % w)
return append(buf, make([]byte, padlen)...)
func bytepad(data []byte, rate int) []byte {
out := make([]byte, 0, 9+len(data)+rate-1)
out = append(out, leftEncode(uint64(rate))...)
out = append(out, data...)
if padlen := rate - len(out)%rate; padlen < rate {
out = append(out, make([]byte, padlen)...)
}
return out
}
func leftEncode(value uint64) []byte {
var b [9]byte
binary.BigEndian.PutUint64(b[1:], value)
// Trim all but last leading zero bytes
i := byte(1)
for i < 8 && b[i] == 0 {
i++
func leftEncode(x uint64) []byte {
// Let n be the smallest positive integer for which 2^(8n) > x.
n := (bits.Len64(x) + 7) / 8
if n == 0 {
n = 1
}
// Prepend number of encoded bytes
b[i-1] = 9 - i
return b[i-1:]
// Return n || x with n as a byte and x an n bytes in big-endian order.
b := make([]byte, 9)
binary.BigEndian.PutUint64(b[1:], x)
b = b[9-n-1:]
b[0] = byte(n)
return b
}
func newCShake(N, S []byte, rate, outputLen int, dsbyte byte) ShakeHash {
c := cshakeState{state: &state{rate: rate, outputLen: outputLen, dsbyte: dsbyte}}
// leftEncode returns max 9 bytes
c.initBlock = make([]byte, 0, 9*2+len(N)+len(S))
c.initBlock = make([]byte, 0, 9+len(N)+9+len(S)) // leftEncode returns max 9 bytes
c.initBlock = append(c.initBlock, leftEncode(uint64(len(N))*8)...)
c.initBlock = append(c.initBlock, N...)
c.initBlock = append(c.initBlock, leftEncode(uint64(len(S))*8)...)
@@ -111,6 +106,30 @@ func (c *state) Clone() ShakeHash {
return c.clone()
}
func (c *cshakeState) MarshalBinary() ([]byte, error) {
return c.AppendBinary(make([]byte, 0, marshaledSize+len(c.initBlock)))
}
func (c *cshakeState) AppendBinary(b []byte) ([]byte, error) {
b, err := c.state.AppendBinary(b)
if err != nil {
return nil, err
}
b = append(b, c.initBlock...)
return b, nil
}
func (c *cshakeState) UnmarshalBinary(b []byte) error {
if len(b) <= marshaledSize {
return errors.New("sha3: invalid hash state")
}
if err := c.state.UnmarshalBinary(b[:marshaledSize]); err != nil {
return err
}
c.initBlock = bytes.Clone(b[marshaledSize:])
return nil
}
// NewShake128 creates a new SHAKE128 variable-output-length ShakeHash.
// Its generic security strength is 128 bits against all attacks if at
// least 32 bytes of its output are used.
@@ -126,11 +145,11 @@ func NewShake256() ShakeHash {
}
func newShake128Generic() *state {
return &state{rate: rate128, outputLen: 32, dsbyte: dsbyteShake}
return &state{rate: rateK256, outputLen: 32, dsbyte: dsbyteShake}
}
func newShake256Generic() *state {
return &state{rate: rate256, outputLen: 64, dsbyte: dsbyteShake}
return &state{rate: rateK512, outputLen: 64, dsbyte: dsbyteShake}
}
// NewCShake128 creates a new instance of cSHAKE128 variable-output-length ShakeHash,
@@ -143,7 +162,7 @@ func NewCShake128(N, S []byte) ShakeHash {
if len(N) == 0 && len(S) == 0 {
return NewShake128()
}
return newCShake(N, S, rate128, 32, dsbyteCShake)
return newCShake(N, S, rateK256, 32, dsbyteCShake)
}
// NewCShake256 creates a new instance of cSHAKE256 variable-output-length ShakeHash,
@@ -156,7 +175,7 @@ func NewCShake256(N, S []byte) ShakeHash {
if len(N) == 0 && len(S) == 0 {
return NewShake256()
}
return newCShake(N, S, rate256, 64, dsbyteCShake)
return newCShake(N, S, rateK512, 64, dsbyteCShake)
}
// ShakeSum128 writes an arbitrary-length digest of data into hash.
-40
View File
@@ -1,40 +0,0 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package sha3
import (
"crypto/subtle"
"encoding/binary"
"unsafe"
"golang.org/x/sys/cpu"
)
// xorIn xors the bytes in buf into the state.
func xorIn(d *state, buf []byte) {
if cpu.IsBigEndian {
for i := 0; len(buf) >= 8; i++ {
a := binary.LittleEndian.Uint64(buf)
d.a[i] ^= a
buf = buf[8:]
}
} else {
ab := (*[25 * 64 / 8]byte)(unsafe.Pointer(&d.a))
subtle.XORBytes(ab[:], ab[:], buf)
}
}
// copyOut copies uint64s to a byte buffer.
func copyOut(d *state, b []byte) {
if cpu.IsBigEndian {
for i := 0; len(b) >= 8; i++ {
binary.LittleEndian.PutUint64(b, d.a[i])
b = b[8:]
}
} else {
ab := (*[25 * 64 / 8]byte)(unsafe.Pointer(&d.a))
copy(b, ab[:])
}
}
+5
View File
@@ -555,6 +555,7 @@ func (cb KeyboardInteractiveChallenge) auth(session []byte, user string, c packe
}
gotMsgExtInfo := false
gotUserAuthInfoRequest := false
for {
packet, err := c.readPacket()
if err != nil {
@@ -585,6 +586,9 @@ func (cb KeyboardInteractiveChallenge) auth(session []byte, user string, c packe
if msg.PartialSuccess {
return authPartialSuccess, msg.Methods, nil
}
if !gotUserAuthInfoRequest {
return authFailure, msg.Methods, unexpectedMessageError(msgUserAuthInfoRequest, packet[0])
}
return authFailure, msg.Methods, nil
case msgUserAuthSuccess:
return authSuccess, nil, nil
@@ -596,6 +600,7 @@ func (cb KeyboardInteractiveChallenge) auth(session []byte, user string, c packe
if err := Unmarshal(packet, &msg); err != nil {
return authFailure, nil, err
}
gotUserAuthInfoRequest = true
// Manually unpack the prompt/echo pairs.
rest := msg.Prompts
+89
View File
@@ -1293,3 +1293,92 @@ func TestCertAuthOpenSSHCompat(t *testing.T) {
t.Fatalf("unable to dial remote side: %s", err)
}
}
func TestKeyboardInteractiveAuthEarlyFail(t *testing.T) {
const maxAuthTries = 2
c1, c2, err := netPipe()
if err != nil {
t.Fatalf("netPipe: %v", err)
}
defer c1.Close()
defer c2.Close()
// Start testserver
serverConfig := &ServerConfig{
MaxAuthTries: maxAuthTries,
KeyboardInteractiveCallback: func(c ConnMetadata,
client KeyboardInteractiveChallenge) (*Permissions, error) {
// Fail keyboard-interactive authentication early before
// any prompt is sent to client.
return nil, errors.New("keyboard-interactive auth failed")
},
PasswordCallback: func(c ConnMetadata,
pass []byte) (*Permissions, error) {
if string(pass) == clientPassword {
return nil, nil
}
return nil, errors.New("password auth failed")
},
}
serverConfig.AddHostKey(testSigners["rsa"])
serverDone := make(chan struct{})
go func() {
defer func() { serverDone <- struct{}{} }()
conn, chans, reqs, err := NewServerConn(c2, serverConfig)
if err != nil {
return
}
_ = conn.Close()
discarderDone := make(chan struct{})
go func() {
defer func() { discarderDone <- struct{}{} }()
DiscardRequests(reqs)
}()
for newChannel := range chans {
newChannel.Reject(Prohibited,
"testserver not accepting requests")
}
<-discarderDone
}()
// Connect to testserver, expect KeyboardInteractive() to be not called,
// PasswordCallback() to be called and connection to succeed.
passwordCallbackCalled := false
clientConfig := &ClientConfig{
User: "testuser",
Auth: []AuthMethod{
RetryableAuthMethod(KeyboardInteractive(func(name,
instruction string, questions []string,
echos []bool) ([]string, error) {
t.Errorf("unexpected call to KeyboardInteractive()")
return []string{clientPassword}, nil
}), maxAuthTries),
RetryableAuthMethod(PasswordCallback(func() (secret string,
err error) {
t.Logf("PasswordCallback()")
passwordCallbackCalled = true
return clientPassword, nil
}), maxAuthTries),
},
HostKeyCallback: InsecureIgnoreHostKey(),
}
conn, _, _, err := NewClientConn(c1, "", clientConfig)
if err != nil {
t.Errorf("unexpected NewClientConn() error: %v", err)
}
if conn != nil {
conn.Close()
}
// Wait for server to finish.
<-serverDone
if !passwordCallbackCalled {
t.Errorf("expected PasswordCallback() to be called")
}
}
-290
View File
@@ -161,98 +161,6 @@ ZCzJJ7VLkn5l/9Mt4blOvH+kQSGQQXemOR/qnuOf0GZvBeyqdn6/axag67XH/JJU
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-----END CERTIFICATE-----
# CN=AffirmTrust Commercial,O=AffirmTrust,C=US
# 0376ab1d54c5f9803ce4b2e201a0ee7eef7b57b636e8a93c9b8d4860c96f5fa7
-----BEGIN CERTIFICATE-----
MIIDTDCCAjSgAwIBAgIId3cGJyapsXwwDQYJKoZIhvcNAQELBQAwRDELMAkGA1UE
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-----END CERTIFICATE-----
# CN=AffirmTrust Networking,O=AffirmTrust,C=US
# 0a81ec5a929777f145904af38d5d509f66b5e2c58fcdb531058b0e17f3f0b41b
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
# CN=AffirmTrust Premium ECC,O=AffirmTrust,C=US
# bd71fdf6da97e4cf62d1647add2581b07d79adf8397eb4ecba9c5e8488821423
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
# CN=AffirmTrust Premium,O=AffirmTrust,C=US
# 70a73f7f376b60074248904534b11482d5bf0e698ecc498df52577ebf2e93b9a
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
# CN=Amazon Root CA 1,O=Amazon,C=US
# 8ecde6884f3d87b1125ba31ac3fcb13d7016de7f57cc904fe1cb97c6ae98196e
-----BEGIN CERTIFICATE-----
@@ -1385,147 +1293,6 @@ r/OSmbaz5mEP0oUA51Aa5BuVnRmhuZyxm7EAHu/QD09CbMkKvO5D+jpxpchNJqU1
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-----END CERTIFICATE-----
# CN=Entrust Root Certification Authority - EC1,OU=See www.entrust.net/legal-terms+OU=(c) 2012 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US
# 02ed0eb28c14da45165c566791700d6451d7fb56f0b2ab1d3b8eb070e56edff5
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
# CN=Entrust Root Certification Authority - G2,OU=See www.entrust.net/legal-terms+OU=(c) 2009 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US
# 43df5774b03e7fef5fe40d931a7bedf1bb2e6b42738c4e6d3841103d3aa7f339
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
# CN=Entrust Root Certification Authority - G4,OU=See www.entrust.net/legal-terms+OU=(c) 2015 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US
# db3517d1f6732a2d5ab97c533ec70779ee3270a62fb4ac4238372460e6f01e88
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
# CN=Entrust Root Certification Authority,OU=www.entrust.net/CPS is incorporated by reference+OU=(c) 2006 Entrust\, Inc.,O=Entrust\, Inc.,C=US
# 73c176434f1bc6d5adf45b0e76e727287c8de57616c1e6e6141a2b2cbc7d8e4c
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
# CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net
# 6dc47172e01cbcb0bf62580d895fe2b8ac9ad4f873801e0c10b9c837d21eb177
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
# CN=FIRMAPROFESIONAL CA ROOT-A WEB,O=Firmaprofesional SA,C=ES,2.5.4.97=#130f56415445532d413632363334303638
# bef256daf26e9c69bdec1602359798f3caf71821a03e018257c53c65617f3d4a
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
# CN=SecureSign RootCA11,O=Japan Certification Services\, Inc.,C=JP
# bf0feefb9e3a581ad5f9e9db7589985743d261085c4d314f6f5d7259aa421612
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
# CN=SecureTrust CA,O=SecureTrust Corporation,C=US
# f1c1b50ae5a20dd8030ec9f6bc24823dd367b5255759b4e71b61fce9f7375d73
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
# CN=Security Communication RootCA3,O=SECOM Trust Systems CO.\,LTD.,C=JP
# 24a55c2ab051442d0617766541239a4ad032d7c55175aa34ffde2fbc4f5c5294
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
# CN=Starfield Root Certificate Authority - G2,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US
# 2ce1cb0bf9d2f9e102993fbe215152c3b2dd0cabde1c68e5319b839154dbb7f5
-----BEGIN CERTIFICATE-----