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5938152cb05c901a76fc4df3383881bfdf44f890
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3 Commits
Author SHA1 Message Date
yuhan6665 5938152cb0 crypto/tls: don't advertise TLS 1.2-only sigAlgs in TLS 1.3 
If a ClientHello only supports TLS 1.3, or if a CertificateRequest is
sent after selecting TLS 1.3, we should not advertise TLS 1.2-only
signature_algorithms like PKCS#1 v1.5 or SHA-1.

However, since crypto/x509 still supports PKCS#1 v1.5, and a direct
CertPool match might not care about the signature in the certificate at
all, start sending a separate signature_algorithms_cert extension to
indicate support for PKCS#1 v1.5 and SHA-1 in certificates.

We were already correctly rejecting these algorithms if the peer
selected them in a TLS 1.3 connection.

Updates #72883

Change-Id: I6a6a4656ab60e1b7fb20fdedc32604dc156953ae
Reviewed-on: https://go-review.googlesource.com/c/go/+/658215
Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: David Chase <drchase@google.com>
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>
 2025-05-26 20:01:05 -04:00
yuhan6665 a2893060d9 crypto/tls: relax native FIPS 140-3 mode 
We are going to stick to BoringSSL's policy for Go+BoringCrypto, but
when using the native FIPS 140-3 module we can allow Ed25519, ML-KEM,
and P-521.

NIST SP 800-52r2 is stricter, but it only applies to some entities, so
they can restrict the profile with Config.

Fixes #71757

Change-Id: I6a6a4656eb02e56d079f0a22f98212275a40a679
Reviewed-on: https://go-review.googlesource.com/c/go/+/650576
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Junyang Shao <shaojunyang@google.com>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: David Chase <drchase@google.com>
 2025-05-10 23:09:16 -04:00
yuhan6665 45b1647aeb crypto/tls: clean up supported/default/allowed parameters 
Cleaned up a lot of the plumbing to make it consistently follow this
logic: clone the preference order; filter by user preference; filter by
FIPS policy. There should be no behavior changes.

Updates #71757

Change-Id: I6a6a4656eb02e56d079f0a22f98212275a400000
Reviewed-on: https://go-review.googlesource.com/c/go/+/657096
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Junyang Shao <shaojunyang@google.com>
 2025-05-10 17:13:05 -04:00