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Change-Id: Ia209f0a6d9b19d14e655c65d1287a1416b48c487
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/707535
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Sean Liao <sean@liao.dev>
Reviewed-by: Nicola Murino <nicola.murino@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Sean Liao <sean@liao.dev>
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When adding a new key, if we already have a Signer with the same public
key, we now replace it with the new one instead of duplicating it.
Before this change we had this:
$ ssh-add -l
3072 SHA256:bsBRHC/xgiqBJdSuvSTNpJNLTISP/G356jNMCRYC5Es nicola@p1 (RSA)
3072 SHA256:bsBRHC/xgiqBJdSuvSTNpJNLTISP/G356jNMCRYC5Es nicola@p1 (RSA-CERT)
$ ssh-add /home/nicola/ssh_certs/id_rsa
Identity added: /home/nicola/ssh_certs/id_rsa (nicola@p1)
Certificate added: /home/nicola/ssh_certs/id_rsa-cert.pub (myid)
$ ssh-add -l
3072 SHA256:bsBRHC/xgiqBJdSuvSTNpJNLTISP/G356jNMCRYC5Es nicola@p1 (RSA)
3072 SHA256:bsBRHC/xgiqBJdSuvSTNpJNLTISP/G356jNMCRYC5Es nicola@p1 (RSA-CERT)
3072 SHA256:bsBRHC/xgiqBJdSuvSTNpJNLTISP/G356jNMCRYC5Es nicola@p1 (RSA)
3072 SHA256:bsBRHC/xgiqBJdSuvSTNpJNLTISP/G356jNMCRYC5Es nicola@p1 (RSA-CERT)
Change-Id: Iad1b1a6dc94f68f53f05d7d1172f0017839976fc
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/602955
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Auto-Submit: Nicola Murino <nicola.murino@gmail.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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RFC 8332, Section 2 sets up two overlapping namespaces: public key
formats and public key algorithms.
* The formats are what we currently have KeyAlgo constants for, and they
appear in PublicKey.Type.
* The algorithms are the set of both KeyAlgo and SigAlgo constants, and
they appear in Signature.Format (amongst other places).
This is incoherent, because that means Signature.Format can be both a
KeyAlgo (like KeyAlgoECDSA256) or a SigAlgo (like SigAlgoRSASHA2256).
One solution would be to duplicate all the KeyAlgo constants into the
SigAlgo namespace, but that would be confusing because applications are
currently using KeyAlgos where they'd be supposed to use the new
SigAlgos (while we can't deprecate the KeyAlgos because they are still
necessary for the PublicKey.Type namespace).
Instead, drop the separate namespaces, and use KeyAlgos throughout.
There are simply some KeyAlgos that can't be a PublicKey.Type.
Take the opportunity to fix the stuttering SHA22565/SHA2512 names. It's
totally ok to call those hashes SHA-256 and SHA-512 without the family
infix.
For golang/go#49952
Change-Id: Ia1fce3912a7e60aa70a88f75ed311be331fd19d5
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/392354
Trust: Filippo Valsorda <filippo@golang.org>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
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Change-Id: I2287ab3492c105791b03f40d45b5dff5a56aa32a
GitHub-Last-Rev: 02cdf82d8b1604fc47b656172b102a48a70e6f05
GitHub-Pull-Request: golang/crypto#183
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/319269
Trust: Alberto Donizetti <alb.donizetti@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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This commit implements two new features. To preserve backwards
compatibility the new methods are added to an `ExtendedAgent` interface
which extends `Agent`. The client code implements `ExtendedAgent`
(which extends Agent) so you can call these additional methods against
SSH agents such as the OpenSSH agent. The ServeAgent method still
accepts Agent but will attempt to upcast the agent to `ExtendedAgent`
as needed, so if you supply an ExtendedAgent implementation you can
implement these additional methods (which keyring does).
The first feature is supporting the standard flags that can be passed to
SSH Sign requests, requesting that RSA signatures use SHA-256 or
SHA-512. See section 4.5.1 of the SSH agent protocol draft:
https://tools.ietf.org/html/draft-miller-ssh-agent-02
The second feature is supporting calling custom extensions from clients
and implementing custom extensions from servers. See section 4.7 of the
SSH agent protocol draft:
https://tools.ietf.org/html/draft-miller-ssh-agent-02
Change-Id: I0f74feb893762c27e921ec37604d3a46434ee6ef
GitHub-Last-Rev: 2e23fd01c0e95b664e8507682f0bd5bd61d4c146
GitHub-Pull-Request: golang/crypto#53
Reviewed-on: https://go-review.googlesource.com/c/123955
Reviewed-by: Han-Wen Nienhuys <hanwen@google.com>
Run-TryBot: Han-Wen Nienhuys <hanwen@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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Unlock compares the length of the passphrase with the given one before
calling subtle.ConstantTimeCompare. This is redundant, since
ConstantTimeCompare already perform a lengths check before doing
anything. Remove the check from Unlock.
Updates golang/go#25173
Change-Id: Ib5fec3a94392bddf2996f5c6bf5a414529e86f2f
Reviewed-on: https://go-review.googlesource.com/110068
Run-TryBot: Alberto Donizetti <alb.donizetti@gmail.com>
Reviewed-by: Han-Wen Nienhuys <hanwen@google.com>
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If a key is added to an agent keyring with constraints, honor them.
This will remove keys when they've been on the keyring for
LifetimeSecs seconds or longer and will ask the user to confirm a
signing operation if ConfirmBeforeUse is set.
Change-Id: I633713c5f78b13a628a5d752f11b306b6e16a2ef
Reviewed-on: https://go-review.googlesource.com/28956
Reviewed-by: Han-Wen Nienhuys <hanwen@google.com>
Run-TryBot: Han-Wen Nienhuys <hanwen@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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The Remove method for the keyring sliced the internal keys list
incorrectly when removing a key. This caused the wrong key to be removed
or sometimes multiple keys were removed. Additionally, if the key to be
removed was the last key, the method never returned.
Fixes golang/go#13628
Change-Id: I0facbcb8f8b65709222067ce37ea26e3fb5ba8e8
Reviewed-on: https://go-review.googlesource.com/17870
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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The ssh-agent protocol allows the usage of keys and certs added to a
given agent to be constrained in certain ways. The only constraints
currently supported are lifetime (keys expire after some number of
seconds) and confirmation (the agent requires user confirmation before
performing any operations with the private key).
Change-Id: Idba5760db929805bf3da43fdcaca53ae6c479ca4
Reviewed-on: https://go-review.googlesource.com/12260
Reviewed-by: Adam Langley <agl@golang.org>
Run-TryBot: Adam Langley <agl@golang.org>
Reviewed-by: Peter Moody <pmoody@uber.com>
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The slice returned is constructed with both a pre-set length and
append() resulting in a slice twice as long and half-full of nil.
Setting the capacity instead of length gets the desired result.
Change-Id: I758423594e4f4c0506c53f227454f57a9dc8bdf1
Reviewed-on: https://go-review.googlesource.com/2659
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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LGTM=bradfitz
R=rsc, bradfitz
CC=golang-codereviews
https://golang.org/cl/167190043
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See https://groups.google.com/d/msg/Golang-nuts/AoVxQ4bB5XQ/i8kpMxdbVlEJ
R=hanwen
CC=golang-codereviews
https://golang.org/cl/86190043
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