x/crypto/ssh: investigate support for ping@openssh.com protocol extension #62390
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Change https://go.dev/cl/524775 mentions this issue: |
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CC @FiloSottile. |
dmitshur
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FYI I've started an I-D to get this extension standardised but that would be at least a year away. https://github.com/djmdjm/drafts/blob/master/draft-miller-ssh-ping.txt |
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Is this RFC final already? A single byte keystroke looks like 10 bytes (uint8 packet type, uint32 channel ID, uint32 data length, data), but in response the other side will send a 9 byte window adjust message (uint8 packet type, uint32 channel ID, uint32 byte count.) wouldn't it be better if the ping message contained the number of bytes to send in the return pong? |
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Fixes golang/go#62390 Change-Id: Ie4dc577fb55b45a0c26a9e2dc5903af2bd382e00 Reviewed-on: https://go-review.googlesource.com/c/crypto/+/524775 TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com> Reviewed-by: Than McIntosh <thanm@google.com> Run-TryBot: Nicola Murino <nicola.murino@gmail.com> Reviewed-by: Filippo Valsorda <filippo@golang.org>
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* ocsp: add Response.Raw
Fixes golang/go#38340
Change-Id: I77afc901584ac3361eafa13c9ee9f8cf9ec2ee28
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/389256
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* acme/autocert: support External Account Binding (EAB) tokens
Support External Account Binding (EAB) tokens to the Manager as defined
in RFC 8555, Section 7.3.4. If the ExternalAccountBinding field is set
on Manager, pass it into the acme Account during registration.
Fixes golang/go#48809
Change-Id: I64c38b05ab577acbde9f526638cc8104d15ff055
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/354189
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* all: gofmt
Gofmt to update doc comments to the new formatting.
For golang/go#51082.
Change-Id: I076031b6613691eefbb0f21739366e3fd2011ec9
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/399356
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* internal/wycheproof: add ECDH tests, including point decompression
Fixes golang/go#38936
Change-Id: I231d30fcc683abd9efb36b6fd9cc05f599078ade
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/396174
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* internal/wycheproof: skip truncated SHA-512 RSAPSS tests for boring
On the boringcrypto builder, skip the RSAPSS tests that use the
truncated SHA-512 hashes, since boringcrypto does not support them.
Fixes #52670
Change-Id: I8caecd0f34eb6d2740372db2b641563e3965ac7c
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/404654
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* acme/autocert/internal/acmetest: don't validate in goroutine
In the test server, rather than spawning a goroutine to validate
challenges, block on the validation before responding to the client.
This prevents a test race, where testing.T.Logf is called after the
test is completed.
While this has a slight behavioral difference to some production
ACME server implementations (although is behavior allowed in the spec),
the change has little material impact on what we are testing, since
previously the validation would happen so quickly that it would be
indistinguishable from the new blocking behavior (i.e. we would not be
sending multiple requests during polling previously.)
Fixes golang/go#52170
Change-Id: I75e3b2da69ddc2302be25a99f1b1151ed0f4af9b
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/405548
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* ssh/agent: fix non-RSA certificates
The type of ssh.PublicKey.Type can be a certificate type, while the
algorithm passed to SignWithAlgorithm is going to be an underlying
algorithm.
Fixes golang/go#52185
Change-Id: I0f7c46defa83d1fd64a3c1e861734650b20cca21
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/404614
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* acme: add AccountKeyRollover
Add support for AccountKeyRollover. API only returns an error since acme.Error
will contain appropriate KID lookup information. Due to the requirements
of double JWS encoding jwsEncodeJSON is also modified to support a
missing Nonce header and raw string embedding in the payload.
Fixes golang/go#42516
Change-Id: I959660a1a39b2c469b959accd48fda519daf4eb3
GitHub-Last-Rev: 8e8cc5b094743262939c145f56d3a3b57a057d64
GitHub-Pull-Request: golang/crypto#215
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/400274
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* curve25519/internal/field: update generator to avo v0.4.0
This version generates //go:build lines.
For golang/go#46155
Change-Id: I23e4617aa96bc5c15c10f3cd0882028ca08e09e8
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* acme: DeactivateReg fix panic
Currently discover is not called which results in a panic if just a key
is added to an ACME client and then deactivation is attempted.
This patch adds a discover call as well as missing unit tests for the
API.
Change-Id: I0719e5376eb2fccf62182e5f91e5b5eaa7bdd518
GitHub-Last-Rev: 501d7c6c1b75a3069dcad4254b4d4a0d2ccb02c8
GitHub-Pull-Request: golang/crypto#217
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/406734
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* acme/autocert: properly clean DirCache paths
Don't assume the path passed into the DirCache methods is absolute, and
clean it before further operating on it. Put and Delete are not attacker
controlled, but clean them anyway.
Fixes #53082
Fixes CVE-2022-30636
Change-Id: I755f525a737da60ccba07ebce4d41cc8faebfcca
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* curve25519: remove dependency on fmt
For golang/go#48154
Change-Id: If7e99bd1159edc2e3deeb3a4e3d8fb048bc591ab
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/348069
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* A+C: delete AUTHORS and CONTRIBUTORS
In 2009, Google's open-source lawyers asked us to create the AUTHORS
file to define "The Go Authors", and the CONTRIBUTORS file was in
keeping with open source best practices of the time.
Re-reviewing our repos now in 2022, the open-source lawyers are
comfortable with source control history taking the place of the
AUTHORS file, and most open source projects no longer maintain
CONTRIBUTORS files.
To ease maintenance, remove AUTHORS and CONTRIBUTORS from all repos.
For golang/go#53961.
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* internal/subtle: rename to internal/alias
This avoids an import conflict in code that needs to import
crypto/subtle as well.
CL 424194 does the same for the main repo.
Change-Id: Ic54cb62bbfdcf5c2cb6f15ac47075ee1c41981ad
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/424175
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* acme: gofmt code with Go 1.19 gofmt
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* cryptobyte: add ReadUint64 and AddUint64
Fixes golang/go#53481.
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* ssh/agent: match OpenSSH extensionAgentMsg, not IETF draft
The OpenSSH wire format just suffixes the raw extension body,
without a nested string.
Fixes golang/go#51689
Change-Id: Ic224cedb934ba0563abca9a45a6be1c67769ed6d
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* internal/wycheproof: add crypto/ecdh tests
Alongside the existing ECDH tests, add tests that use the new
crypto/ecdh package. The test vectors include a number of private
that use non-standard sizes, which we reject, but aren't flagged,
so we need to skip them.
Change-Id: Iaaef225b0149a86833095f51748d230385d43bfe
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* all: replace io/ioutil with io and os package
For golang/go#45557
Change-Id: I447530cc66896aef7a8d528ccb8d095b80e3cf47
GitHub-Last-Rev: 5f385ff46487ac318bd1147cdbbd26bb0ffd0426
GitHub-Pull-Request: golang/crypto#230
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* acme/autocert: fix renewal timer issue
Block when creating the renewal timer, rather than doing it in a
goroutine. This fixes an issue where startRenew and stopRenew are called
very closely together, and due to lock ordering, stopRenew may be called
before startRenew, resulting in the appearance that the renewal timer
has been stopped before it has actually been created.
This is only an issue in tests, as that is the only place stopRenew is
actually used. In particular this issue manifests in TestGetCertiifcate
sub-tests, where a httptest server reuses a port across two of the
sub-tests. In this case, the renewal calls end up creating dirty state
for the subsequent test, which can cause confusing behavior (such as
attempting to register an account twice.)
Another solution to this problem would be introducing a bool, protected
by renewalMu, which indicates if renewal has been halted, and to check
it in startRenew to check if stopRenew has already been called, which
would allow us to continue calling startRenew in a goroutine and relying
on renewalMu locking for ordering. That said I don't see a particularly
strong reason to call startRenew concurrently, so this seems like the
simplest solution for now.
Fixes golang/go#52494
Change-Id: I95420d3fd877572a0b9e408d2f8cd353f6a4e80e
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* acme/autocert: remove TestRenewFromCache skips
Removes the skips from TestRenewFromCache and
TestRenewFromCacheAlreadyRenewed, which were added due to flakes which
may have been fixed by the renewal timer change.
Updates golang/go#51080
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* all: replace bytes.Compare with bytes.Equal
Change-Id: I911366b91ff2a1d02d7de202a166d876fb873142
GitHub-Last-Rev: f50e00376856fb9da36bb98ed0cdfd96c2f3b304
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* ssh: add ServerConfig.NoClientAuthCallback
It was possible to accept auth type "none" before, but not dynamically
at runtime as a function of the ConnMetadata like the other auth types'
callback hooks.
Fixes golang/go#51994
Change-Id: I83ea80901d4977d8f78523e3d1e16e0a7df5b172
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* all: fix a few function names on comments
Change-Id: Iac9c8f06b874e62b56f634dede8757b87514f421
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* all: use automatic RFC linking
pkgsite automatically links /RFC \d+/ to the mentioned RFC. Insert a
bunch of spaces into doc-comments for that to match.
Change-Id: I01834d7573428563f21c37e43316442e148dd8c4
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* go.mod: update golang.org/x dependencies
Update golang.org/x dependencies to their latest tagged versions.
Once this CL is submitted, and post-submit testing succeeds on all
first-class ports across all supported Go versions, this repository
will be tagged with its next minor version.
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* all: use math/bits.RotateLeft
Updates golang/go#31456
Change-Id: Idf043a25632526baa190bf42ed360cb79f85e493
GitHub-Last-Rev: 59461578926a85a87cc68dac96c0b7559766b7cf
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* ssh: fix typo
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Update golang.org/x dependencies to their latest tagged versions.
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first-class ports across all supported Go versions, this repository
will be tagged with its next minor version.
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* all: remove redundant type conversion
Change-Id: Ic6b210c1e5b99eef5c6e38d96feaf40e7e6033bb
GitHub-Last-Rev: b8ecf761efe6a2eec78a805a99d778bdcdb938f9
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* ssh: support rsa-sha2-256/512 on the server side
This lets clients know we support rsa-sha2-256/512 signatures from
ssh-rsa public keys. OpenSSH prefers to break the connection rather than
attempting trial and error, apparently.
We don't enable support for the "ext-info-s" because we're not
interested in any client->server extensions.
This also replaces isAcceptableAlgo which was rejecting the
rsa-sha2-256/512-cert-v01@openssh.com public key algorithms.
Tested with OpenSSH 9.1 on macOS Ventura.
Fixes golang/go#49269
Updates golang/go#49952
Co-authored-by: Nicola Murino <nicola.murino@gmail.com>
Co-authored-by: Kristin Davidson <kdavidson@atlassian.com>
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* internal/wycheproof: update Go 1.20 crypto/ecdh API
For golang/go#56052
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* cryptobyte: add support for ReadASN1Integer into []byte
This lets us extract large integers without involving math/big.
While at it, drop some use of reflect where a type switch will do.
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* go.mod: update golang.org/x dependencies
Update golang.org/x dependencies to their latest tagged versions.
Once this CL is submitted, and post-submit testing succeeds on all
first-class ports across all supported Go versions, this repository
will be tagged with its next minor version.
Change-Id: If72a913d54ec282d75e270409971b148df4b417c
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* acme: eliminate arbitrary timeouts in tests
Fixes golang/go#57107.
Change-Id: I20b1f6ca85170c6b4731d7c7ea06f4db742526cc
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/456123
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* ssh: ensure that handshakeTransport goroutines have finished before Close returns
This fixes a data race in the tests for x/crypto/ssh, which expects to
be able to examine a transport's read and write counters without
locking after closing it.
(Given the number of goroutines, channels, and mutexes used in this
package, I wouldn't be surprised if other concurrency bugs remain.
I would suggest simplifying the concurrency in this package, but I
don't intend to follow up on that myself at the moment.)
Fixes golang/go#56957.
Change-Id: Ib1f1390b66707c66a3608e48f3f52483cff3c1f5
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/456758
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* internal/wycheproof: also use Verify in TestECDSA
Check both Verify and VerifyASN1 in the ECDSA tests.
Change-Id: Id767354484a7da18ae4e00cd6f2a01a2909e6732
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/453755
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* bcrypt: reject passwords longer than 72 bytes
By design, bcrypt only uses the first 72 bytes of a password when
generating a hash. Most implementations, including the reference one,
simply silently ignore any trailing input when provided passwords longer
than 72 bytes. This can cause confusion for users who expect the entire
password to be used to generate the hash.
In GenerateFromPassword, reject passwords longer than 72 bytes.
CompareHashAndPassword will still accept these passwords, since we
cannot break hashes that have already been stored.
Fixes golang/go#36546
Change-Id: I039addd2a2961a7fa9d1e4a3e892a9e3c8bf4c9a
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/450415
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Jason McNeil <jmcneil@x2studios.com>
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* go.mod: update golang.org/x dependencies
Update golang.org/x dependencies to their latest tagged versions.
Once this CL is submitted, and post-submit testing succeeds on all
first-class ports across all supported Go versions, this repository
will be tagged with its next minor version.
Change-Id: I25128883772569c8f729b091b0efcbc4afcbea67
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/460500
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* all: fix some comments
Change-Id: I11030ee466c8cac6855ce4fe2cf72e0b8d7029f8
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/463796
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* cryptobyte: reject negative Unwrite argument
Fixes golang/go#57112
Change-Id: I7a533046a6451d7ae3704eb81e6ddeec8442cf06
GitHub-Last-Rev: 3b088d95a2feca197cc4ebd1d9d34cb28008349f
GitHub-Pull-Request: golang/crypto#249
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/464338
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* go.mod: update golang.org/x dependencies
Update golang.org/x dependencies to their latest tagged versions.
Once this CL is submitted, and post-submit testing succeeds on all
first-class ports across all supported Go versions, this repository
will be tagged with its next minor version.
Change-Id: If0ff32acaae5f6a717ed4d178a88f3346ecf1600
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/466736
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* ssh: add support for aes256-gcm@openssh.com
Change-Id: I91caf3bda3dfd00c050f5ebf23c2a35a04c5762b
GitHub-Last-Rev: 6e71340e7960b5b6f71f7b96eeeaf8dfb268e306
GitHub-Pull-Request: golang/crypto#127
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/223518
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* go.mod: update golang.org/x dependencies
Update golang.org/x dependencies to their latest tagged versions.
Once this CL is submitted, and post-submit testing succeeds on all
first-class ports across all supported Go versions, this repository
will be tagged with its next minor version.
Change-Id: Ic0f0e8147eae1918612c3d1a1c1de14af0a43294
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/473439
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* ssh: document that ParseRawPrivateKey supports Ed25519 keys
From CL 173457 and CL 235358.
Change-Id: Ia46ab9c7e2c57472df3126ddc7050f0068fcaab9
GitHub-Last-Rev: c38e379355602fe4ff11ff65f98c296d5c326281
GitHub-Pull-Request: golang/crypto#146
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* curve25519: use crypto/ecdh on Go 1.20
For golang/go#52221
Change-Id: I27e867d4cc89cd52c8d510f0dbab4e89b7cd4763
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/451115
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* all: fix some comments
Change-Id: Ia0410f1f3bb0a9ee68c6dbe1e6f62f65f9e00955
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/477755
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* go.mod: update golang.org/x dependencies
Update golang.org/x dependencies to their latest tagged versions.
Once this CL is submitted, and post-submit testing succeeds on all
first-class ports across all supported Go versions, this repository
will be tagged with its next minor version.
Change-Id: I568d040817345a10881c31b8efc296f543e59113
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/482855
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* cryptobyte: reject Object Identifiers with leading 0x80
Change-Id: Ie3a1b53e801077cd86963799e644b9783943933c
GitHub-Last-Rev: 6629bd74f1874eb9fde8e72bfb444ebf9073a1ab
GitHub-Pull-Request: golang/crypto#255
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/483955
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* ssh/test: skip TestValidTerminalMode on non-Bourne shells
Fixes golang/go#38037.
Change-Id: Ide77dddc9f57b3f0318a419a1474e11215623b64
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/485175
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* ssh: skip unsupported tests on wasip1
Updates golang/go#32840
Updates golang/go#58141
Change-Id: Ib4425c1743d417920745205586af250dbf80c7e4
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/485695
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* ssh/test: enable on solaris
Change-Id: Icf9c867e64ef68f6f46dd7d4cec07cf7c315c2ad
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/490155
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* go.mod: update golang.org/x dependencies
Update golang.org/x dependencies to their latest tagged versions.
Once this CL is submitted, and post-submit testing succeeds on all
first-class ports across all supported Go versions, this repository
will be tagged with its next minor version.
Change-Id: I1eb2365549b72cbad23fa7c355f427c6ed75e450
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* Add support for "hmac-sha2-512-etm@openssh.com"
Change-Id: I0203881afd7ad72e68f76650817451d7e292c91b
GitHub-Last-Rev: 42b4119e1987e7a46aa06a2b142d5fd3ef6f216a
GitHub-Pull-Request: golang/crypto#129
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* x509roots: add new module
Adds the nss parser, under x509roots/nss, and the fallback
module/package, with the initial generated bundle.
Fixes golang/go#57792
Change-Id: Iebb1052e49126fa5baba1236f4ebc8dd8a823179
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/462036
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* go.mod: tell x repo tagging to ignore dep on net
CL 475438 introduced a cycle between net and crypto. This direction is
less important, so have the tagging process ignore it.
Change-Id: Ie424fef0238702a5a16aba79bb60f86f39dc66eb
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/502595
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* go.mod: update golang.org/x dependencies
Update golang.org/x dependencies to their latest tagged versions.
Once this CL is submitted, and post-submit testing succeeds on all
first-class ports across all supported Go versions, this repository
will be tagged with its next minor version.
Change-Id: If19e251a79af033583e6968766b7a831741cebb7
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* ssh/test: set a timeout and WaitDelay on sshd subcommands
This uses a copy of testenv.Command copied from the main repo, with
light edits to allow the testenv helpers to build with Go 1.19.
The testenv helper revealed an exec.Command leak in TestCertLogin, so
we also fix that leak and simplify server cleanup using
testing.T.Cleanup.
For golang/go#60099.
Fixes golang/go#60343.
Change-Id: I7f79fcdb559498b987ee7689972ac53b83870aaf
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* x509roots: use "generate" build tag
Since go generate sets it automatically.
Change-Id: I4623e523392140c0472b250ac99c8c3fa31e5b15
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/504595
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* x509roots: fix generate script argument checking
Check for supply of both arguments forgot that the URL is set by
default. Instead just let the local path supersede the URL.
Change-Id: I0499137c99c735e8e453ff1c2a925435f3cd8039
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* x509roots: remove list hash and generation date, change ordering
This makes the automated update workflow simpler.
Also switch the ordering from human readable subject (which is not
necessarily unique), to the raw SPKI (which should always be unique).
This makes it somewhat harder to read to a human (since it'll appear a
little jumbled) but results in a stable sort.
Note this results in adding two new roots, which were added since we
last generated the bundle.
Change-Id: Id4d34bf9e98164e7b2fc4f06f9b46b63c0013d23
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* ssh: add hmac-sha2-512
This adds support for hmac-sha2-512 to ensure compatibility with SSH clients that request this MAC algorithm.
This rebases https://github.com/golang/crypto/pull/18.
Change-Id: Ia103c10a8b7e2e8dde556d5c36550eb5fa6bc1f6
GitHub-Last-Rev: 987ccae2bc7ae5e90a482d8797351c39dcb9bf33
GitHub-Pull-Request: golang/crypto#257
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/501455
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* x509roots/fallback: add //go:build go1.20 to bundle.go
Package fallback has no API; its only purpose is to automatically call
x509.SetFallbackRoots with a set of fallback roots. That API was added
in Go 1.20, hence the go1.20 build constraint in fallback.go.
Add that constraint to bundle.go too, so that it fails to build rather
than quietly being a no-op in Go 1.19.
Also simplify Write(fmt.Sprintf()) into fmt.Fprintf while here.
Add a temporary workaround for go.dev/issue/52287.
It has no effect on the public API in this module.
For golang/go#57792.
For golang/go#52287.
Change-Id: I1fe13f7d54b07b0b031e8bae685cffd7a8160165
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/505578
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* x509roots: generate a stable sort, for real this time
Sort based on the stringified subject, then break ties based on the raw
DER (which will, actually, be unique this time).
Change-Id: I3dd912fb19b103e92fabfb4562e31c6dcec40614
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/505695
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* go.mod: update golang.org/x dependencies
Update golang.org/x dependencies to their latest tagged versions.
Once this CL is submitted, and post-submit testing succeeds on all
first-class ports across all supported Go versions, this repository
will be tagged with its next minor version.
Change-Id: Icede82501a3703fcaad524f6b91ff6e5452b4547
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/507837
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* ssh: prefer sha256 based MAC algorithms
sha256 is more optimized than sha512 in Go and is secure enough
so prefer sha256 over sha512.
Fixes golang/go#61138
Change-Id: I7658808655367f1ab5f4ac8b52e6b20bd30ebf87
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/507555
Run-TryBot: Filippo Valsorda <filippo@golang.org>
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* ssh: fix RSA certificate and public key authentication with older clients
After adding support for rsa-sha2-256/512 on the server side some edge
cases started to arise with old clients:
1) public key authentication with gpg-agent < 2.2.6 fails because we
receive ssh-rsa as signature format and rsa-sha2-256 or rsa-sha2-512
as algorithm.
This is a bug in gpg-agent fixed in this commit:
https://github.com/gpg/gnupg/commit/80b775bdbb852aa4a80292c9357e5b1876110c00
2) certificate authentication fails with OpenSSH 7.2-7.7 because we
receive ssh-rsa-cert-v01@openssh.com as algorithm and rsa-sha2-256
or rsa-sha2-512 as signature format.
This patch is based on CL 412854 and has been tested with every version
of OpenSSH from 7.1 to 7.9 and OpenSSH 9.3.
Fixes golang/go#53391
Change-Id: Id71f596f73d84efb5c76d6d5388432cccad3e3b1
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/506835
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* fix TestValidTerminalMode: missing output from echo SHELL $SHELL
add leading `echo` to have better compatibility
before
```
go test -run ^TestValidTerminalMode -v
=== RUN TestValidTerminalMode
session_test.go:261: echo SHELL $SHELL && stty -a && exit:
Last login: Thu Jul 6 12:24:38 2023 from 192.168.200.1
SHELL /bin/bashubuntu:~$
speed 38400 baud; rows 80; columns 40;
line = 0;
intr = ^C; quit = ^\; erase = ^?;
kill = ^U; eof = ^D; eol = <undef>;
eol2 = <undef>; swtch = <undef>;
start = ^Q; stop = ^S; susp = ^Z;
rprnt = ^R; werase = ^W; lnext = ^V;
discard = ^O; min = 1; time = 0;
-parenb -parodd -cmspar cs8 -hupcl
-cstopb cread -clocal -crtscts
-ignbrk -brkint -ignpar -parmrk -inpck
-istrip -inlcr -igncr icrnl ixon -ixoff
-iuclc -ixany -imaxbel -iutf8
opost -olcuc -ocrnl onlcr -onocr -onlret
-ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0
isig icanon iexten -echo echoe echok
-echonl -noflsh -xcase -tostop -echoprt
echoctl echoke -flusho -extproc
logout
session_test.go:266: missing output from echo SHELL $SHELL
```
after
```
go test -run ^TestValidTerminalMode -v
=== RUN TestValidTerminalMode
session_test.go:261: echo SHELL $SHELL && stty -a && exit:
Last login: Thu Jul 6 12:24:38 2023 from 192.168.200.1
bolian@ubuntu:~$
SHELL /bin/bash
speed 38400 baud; rows 80; columns 40;
line = 0;
intr = ^C; quit = ^\; erase = ^?;
kill = ^U; eof = ^D; eol = <undef>;
eol2 = <undef>; swtch = <undef>;
start = ^Q; stop = ^S; susp = ^Z;
rprnt = ^R; werase = ^W; lnext = ^V;
discard = ^O; min = 1; time = 0;
-parenb -parodd -cmspar cs8 -hupcl
-cstopb cread -clocal -crtscts
-ignbrk -brkint -ignpar -parmrk -inpck
-istrip -inlcr -igncr icrnl ixon -ixoff
-iuclc -ixany -imaxbel -iutf8
opost -olcuc -ocrnl onlcr -onocr -onlret
-ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0
isig icanon iexten -echo echoe echok
-echonl -noflsh -xcase -tostop -echoprt
echoctl echoke -flusho -extproc
logout
--- PASS: TestValidTerminalMode (0.06s)
```
Change-Id: If60c040edb8c78a7d86bf58a6be47636d9e8f173
GitHub-Last-Rev: a2cc1b1af09e47df82fcb8685d829dfed945e8b0
GitHub-Pull-Request: golang/crypto#264
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/508115
Reviewed-by: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Heschi Kreinick <heschi@google.com>
Auto-Submit: Heschi Kreinick <heschi@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
* ssh: disable client agent tests on Windows
ssh-agent is implemented as a Windows service and exposed on a
named pipe. We don't currently support it.
See golang/go#60981
Change-Id: Iebdc42db30b37a87ac0766231b16aff3f17b3f56
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/509035
Run-TryBot: Heschi Kreinick <heschi@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Heschi Kreinick <heschi@google.com>
Auto-Submit: Heschi Kreinick <heschi@google.com>
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* ssh: prefer sha256 based RSA key algorithms
sha256 is more optimized than sha512 in Go and is secure enough
so prefer sha256 over sha512.
Change-Id: I3fcf7457791e3ef4539e97049aa905dcd293499d
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/507556
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
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Reviewed-by: Roland Shoemaker <roland@golang.org>
* internal/wycheproof: skip all tests in short test mode
The testdata for this package is around 8 MB and downloaded dynamically
via 'go mod download' from its canonical source rather than being copied
to this repository. We're moving towards disallowing all network use in
short test mode, including proxy.golang.org, so add a corresponding test
skip.
Needing to lookup a go test flag is unfortunate, but I don't know of a
less bad available option while the test does the download in TestMain.
On balance, it becomes viable to no longer disable the checksum database
since the test will only run on builders that permit internet use and so
sum.golang.org should just work.
Change-Id: Iaffe3899351da375928aaba114c4875f5438336b
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/510695
Run-TryBot: Dmitri Shuralyov <dmitshur@google.com>
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
* x509roots/fallback: update bundle
This is an automated CL which updates the NSS root bundle.
Change-Id: Ic70152e674c60e48e85d96eab244add9b4fa5eb8
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/512595
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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* ssh: ignore invalid MACs and KEXs just like we do for ciphers
Tighter validation could cause backwards incompatibility issues, eg
configurations with valid and invalid MACs, KEXs, ciphers currently work
if a supported algorithm is negotiated and that's also the scenario of
removing support for an existing algorithm.
Fixes golang/go#39397
Change-Id: If90253ba89e1d8f732cc1e1c3d24fe0a1e2dac71
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/512175
Run-TryBot: Han-Wen Nienhuys <hanwen@google.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Han-Wen Nienhuys <hanwen@google.com>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: David Chase <drchase@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
* ssh: add diffie-hellman-group16-sha512 kex
This group is disabled by default because it is a bit slower than
the others.
The group18-sha512 variant is too slow to include.
Benchstat results including diffie-hellman-group18-sha512:
name time/op
Kexes/diffie-hellman-group-exchange-sha256-12 22.6ms ± 9%
Kexes/diffie-hellman-group18-sha512-12 1.15s ±11%
Kexes/ecdh-sha2-nistp384-12 3.91ms ± 6%
Kexes/ecdh-sha2-nistp256-12 304µs ± 5%
Kexes/curve25519-sha256@libssh.org-12 413µs ± 7%
Kexes/ecdh-sha2-nistp521-12 11.6ms ±13%
Kexes/curve25519-sha256-12 361µs ± 5%
Kexes/diffie-hellman-group-exchange-sha1-12 22.9ms ± 9%
Kexes/diffie-hellman-group1-sha1-12 3.59ms ± 6%
Kexes/diffie-hellman-group14-sha1-12 22.1ms ±11%
Kexes/diffie-hellman-group14-sha256-12 21.6ms ± 8%
Kexes/diffie-hellman-group16-sha512-12 138ms ± 9%
name alloc/op
Kexes/diffie-hellman-group-exchange-sha256-12 67.8kB ± 1%
Kexes/diffie-hellman-group18-sha512-12 243kB ± 9%
Kexes/ecdh-sha2-nistp384-12 13.9kB ± 0%
Kexes/ecdh-sha2-nistp256-12 12.1kB ± 0%
Kexes/curve25519-sha256@libssh.org-12 8.22kB ± 0%
Kexes/ecdh-sha2-nistp521-12 16.5kB ± 0%
Kexes/curve25519-sha256-12 8.22kB ± 0%
Kexes/diffie-hellman-group-exchange-sha1-12 67.5kB ± 0%
Kexes/diffie-hellman-group1-sha1-12 34.9kB ± 0%
Kexes/diffie-hellman-group14-sha1-12 61.9kB ± 0%
Kexes/diffie-hellman-group14-sha256-12 62.0kB ± 0%
Kexes/diffie-hellman-group16-sha512-12 117kB ± 0%
name allocs/op
Kexes/diffie-hellman-group-exchange-sha256-12 314 ± 0%
Kexes/diffie-hellman-group18-sha512-12 271 ± 4%
Kexes/ecdh-sha2-nistp384-12 243 ± 0%
Kexes/ecdh-sha2-nistp256-12 213 ± 0%
Kexes/curve25519-sha256@libssh.org-12 168 ± 0%
Kexes/ecdh-sha2-nistp521-12 245 ± 0%
Kexes/curve25519-sha256-12 168 ± 0%
Kexes/diffie-hellman-group-exchange-sha1-12 314 ± 0%
Kexes/diffie-hellman-group1-sha1-12 255 ± 0%
Kexes/diffie-hellman-group14-sha1-12 255 ± 0%
Kexes/diffie-hellman-group14-sha256-12 255 ± 0%
Kexes/diffie-hellman-group16-sha512-12 256 ± 0%
Change-Id: Id119401fda7e417675325f37e3d442e70585206c
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/506839
Run-TryBot: Filippo Valsorda <filippo@golang.org>
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Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
* ssh: fix call to Fatalf from a non-test goroutine
Also fix some redundant type declarations.
Change-Id: Iad2950b67b1ec2e2590c59393b8ad15421ed3add
GitHub-Last-Rev: 41cf552f11387208491dee7b867050475043b25e
GitHub-Pull-Request: golang/crypto#263
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/505798
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: David Chase <drchase@google.com>
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* go.mod: update golang.org/x dependencies
Update golang.org/x dependencies to their latest tagged versions.
Once this CL is submitted, and post-submit testing succeeds on all
first-class ports across all supported Go versions, this repository
will be tagged with its next minor version.
Change-Id: Id40feba36dfc31c7033c91b952ec824a38e048ee
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/515976
Auto-Submit: Gopher Robot <gobot@golang.org>
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Reviewed-by: Heschi Kreinick <heschi@google.com>
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* go.mod: update golang.org/x dependencies
Update golang.org/x dependencies to their latest tagged versions.
Change-Id: Ib391e4f2f09056cb025de97d5d8f2640859d9163
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/525335
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* ssh: check the declared public key algo against decoded one
This check will ensure we don't accept e.g. ssh-rsa-cert-v01@openssh.com
algorithm with ssh-rsa public key type.
The algorithm and public key type must be consistent: both must be
certificate algorithms, or neither.
Change-Id: I1d75074fb4d6db3a8796408e98ddffe577a96ab1
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/506836
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* ssh: support for marshaling keys using the OpenSSH format
This adds methods to marshal private keys, encrypted and unencrypted
to the OpenSSH format.
Fixes golang/go#37132
Change-Id: I1a95301f789ce04858e6b147748c6e8b7700384b
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/218620
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* cryptobyte: add uint48 methods
Adds uint48 methods for cryptobyte.Builder and cryptobyte.String.
Supporting 48-bit unsigned integers is useful for working with protocols
that use them for sequence numbers, such as DTLS.
Fixes golang/go#61275
Change-Id: Ibe49422d37644b9212b28b123dc5e01850f7b05b
GitHub-Last-Rev: 11b388c240109c8f4ac23880645c901ce6d2f093
GitHub-Pull-Request: golang/crypto#265
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/508675
Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: qiulaidongfeng <2645477756@qq.com>
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* sha3: have ShakeHash extend hash.Hash
Package sha3 recommends the SHAKE functions for new uses, but this is
currently somewhat inconvenient because ShakeHash does not implement
hash.Hash. This is understandable, as SHAKE supports arbitrary-length
outputs whereas hash.Hash only supports fixed-length outputs. But
there's a natural fixed-length output to provide: the minimum output
that still provides SHAKE's full-strength generic security.
While here, tweak Sum so that its temporary buffer can be stack
allocated.
Also, tweak the panic message in Write so that the error text is more
readily understandable to Go programmers without needing to be
familiar with crypto jargon, and add a similar check in Sum.
Change-Id: Icf037d3990a71de5630f8825606614443f8c5245
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/526937
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* ssh: add MultiAlgorithmSigner
MultiAlgorithmSigner allows to restrict client-side, server-side and
certificate signing algorithms.
Fixes golang/go#52132
Fixes golang/go#36261
Change-Id: I295092f1bba647327aaaf294f110e9157d294159
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/508398
Reviewed-by: Filippo Valsorda <filippo@golang.org>
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* ssh: add test cases for compatibility with old (buggy) clients
Improved test cases for CL 506835.
Change-Id: If4a98ae4a7b39d2e59b203d10080b71283e1a80e
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/525735
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* all: use crypto/ed25519 instead of golang.org/x/crypto/ed25519
This is a follow-up to CL 317169, which dropped go1.12 compatibility,
and made the golang.org/x/crypto/ed25519 package an alias / wrapper for
crypto/ed25519 in stdlib.
This patch updates uses within this repository to use stdlib instead of
depending on the wrapper. With this patch applied, the only remaining
use of the wrapper is in ed25519_test, which appears to be in place to
verify compatibility of the wrapper itself.
Change-Id: I0195396102a75ae20bdd82ca8ab59855c0eb5cea
GitHub-Last-Rev: 24dbec563cbd84bc47bdc7736b0245fc83dd3353
GitHub-Pull-Request: golang/crypto#238
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/448238
Reviewed-by: Bryan Mills <bcmills@google.com>
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Reviewed-by: Than McIntosh <thanm@google.com>
* chacha20: drop Go 1.10 compatibility for arm64
Other packages already dropped compatibility with go < 1.12, so it should be safe to remove it for this package as well.
Change-Id: Ib1424763e3aa94d0187a667ebee058100136f53b
GitHub-Last-Rev: 51df9690a5f37ba50d5ae5e84cf31b78fb6c5cd8
GitHub-Pull-Request: golang/crypto#241
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/448241
Reviewed-by: Roland Shoemaker <roland@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
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* ssh: add server side support for ping@openssh.com protocol extension
Fixes golang/go#62390
Change-Id: Ie4dc577fb55b45a0c26a9e2dc5903af2bd382e00
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/524775
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* go.mod: update golang.org/x dependencies
Update golang.org/x dependencies to their latest tagged versions.
Change-Id: Ib80d50bdd762d1ba04f9267aeddc17272ef8cd66
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/532976
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* ssh: add support for SSH_AGENT_CONSTRAIN_EXTENSION with id 255
it was changed in the following draft
https://datatracker.ietf.org/doc/html/draft-miller-ssh-agent-03
The id 3 is now used for SSH_AGENT_CONSTRAIN_MAXSIGN key constraint,
an OpenSSH extension to the protocol that we do not currently support.
Instead, we added a compatibility layer for
SSH_AGENT_CONSTRAIN_EXTENSION with ID 3.
Fixes golang/go#62311
Change-Id: I421aee92aee9e693e43f66e6a5515c055333cb9b
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/525355
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* all: update go directive to 1.18
Done with:
go get go@1.18
go mod tidy
go fix ./...
Using go1.21.3.
Also update avo to v0.5.0 in the curve25519/internal/field/_asm module.
It's newer and produces no diff in the generated code.
For golang/go#60268.
Change-Id: I9bd771ee8561595d7f68aaca76df6e3e33d35013
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/534141
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* x509roots: check HTTP response status code and media type
The HTTP response status code is expected to be 200 OK, and
the certdata.txt file media type is expected to be plain text.
Check that it is before proceeding with parsing it.
Might help avoid repeats of CL 535735.
Change-Id: I1a7896b3e20d33a23fdc53c572ae9700c9eae1ef
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/536717
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* x509roots: catch the zero-roots case when generating the bundle
If the parser returns zero roots, don't attempt to completely remove
the bundle. This may happen if, i.e., the HTTP response is 200 but has
no content. An example of this may be http://go.dev/cl/535735.
Change-Id: I81fc2b49c8ec813cca17fd1c807296bfb053d992
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/536136
Reviewed-by: Damien Neil <dneil@google.com>
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* ssh: add test case against ssh CLI
These tests try to ensure better compatibility of our server implementation
with the ssh CLI.
With these tests in place:
1) before merging CL 447757 we would have noticed that our server
implementation was broken with OpenSSH 8.8+
2) after merging CL 447757 we would have noticed that our server
implementation was broken with OpenSSH 7.2-7.7
The ssh CLI from $PATH is used by default, but can be overridden using
the SSH_CLI_PATH environment variable.
Change-Id: I93d64be41c7613132b0364afac8397f57c2dcbca
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/506837
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* crypto/hkdf: remove useless call to Reset
HKDF is commonly used to read keys that are the the same length (or
smaller) than the size of the hash digest, which means the loop inside
Read only runs once.
In that case, calling Reset is unnecesssary overhead.
name old time/op new time/op delta
16ByteMD5Single-8 1.39µs ± 1% 1.22µs ± 0% -11.95% (p=0.000 n=10+9)
20ByteSHA1Single-8 826ns ± 0% 746ns ± 0% -9.70% (p=0.000 n=9+10)
32ByteSHA256Single-8 838ns ± 1% 744ns ± 0% -11.29% (p=0.000 n=10+10)
64ByteSHA512Single-8 5.12µs ± 0% 4.57µs ± 0% -10.78% (p=0.000 n=8+10)
8ByteMD5Stream-8 137ns ± 0% 138ns ± 0% +0.27% (p=0.009 n=9+6)
16ByteMD5Stream-8 264ns ± 0% 265ns ± 0% +0.29% (p=0.000 n=10+10)
8ByteSHA1Stream-8 64.1ns ± 0% 64.4ns ± 0% +0.60% (p=0.000 n=9+9)
20ByteSHA1Stream-8 145ns ± 0% 146ns ± 1% +0.69% (p=0.000 n=9+10)
8ByteSHA256Stream-8 42.9ns ± 1% 43.1ns ± 0% +0.48% (p=0.005 n=10+10)
32ByteSHA256Stream-8 151ns ± 0% 152ns ± 0% +0.35% (p=0.006 n=10+8)
8ByteSHA512Stream-8 139ns ± 0% 139ns ± 0% +0.08% (p=0.035 n=9+10)
64ByteSHA512Stream-8 1.07µs ± 0% 1.07µs ± 0% +0.33% (p=0.000 n=9+10)
name old speed new speed delta
16ByteMD5Single-8 11.6MB/s ± 0% 13.1MB/s ± 0% +13.50% (p=0.000 n=9+9)
20ByteSHA1Single-8 24.2MB/s ± 0% 26.8MB/s ± 0% +10.75% (p=0.000 n=9+10)
32ByteSHA256Single-8 38.2MB/s ± 1% 43.0MB/s ± 0% +12.72% (p=0.000 n=10+10)
64ByteSHA512Single-8 12.5MB/s ± 0% 14.0MB/s ± 0% +12.06% (p=0.000 n=8+10)
8ByteMD5Stream-8 58.2MB/s ± 0% 58.1MB/s ± 0% -0.27% (p=0.004 n=9+9)
16ByteMD5Stream-8 60.6MB/s ± 0% 60.5MB/s ± 0% -0.27% (p=0.000 n=9+10)
8ByteSHA1Stream-8 125MB/s ± 0% 124MB/s ± 0% -0.59% (p=0.000 n=9+9)
20ByteSHA1Stream-8 138MB/s ± 0% 137MB/s ± 1% -0.69% (p=0.000 n=9+10)
8ByteSHA256Stream-8 186MB/s ± 1% 185MB/s ± 0% -0.47% (p=0.005 n=10+10)
32ByteSHA256Stream-8 211MB/s …
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Maybe we can just advertise server side support for this extension and reply to ping requests
see section 1.9
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/PROTOCOL?rev=HEAD
This extension will be added to OpenSSH 9.5
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