mirrors/utls
1
0
Fork 0
mirror of https://github.com/refraction-networking/utls.git synced 2025-04-04 04:27:36 +03:00
Code Issues Projects Releases Packages Wiki Activity

crypto/tls: advertise correct ciphers in TLS 1.3 only mode

Browse source 
This change updates the makeClientHello logic to only advertise TLS
1.3 ciphers when tls.Config.MinVersion is set to tls.VersionTLS13
(i.e the client only supports TLS 1.3).  Previously, TLS 1.2 ciphers
would be included in the client hello message.

Fixes #57771

Change-Id: Ife4123037b0a4609578ffffb1cdf1e1d4e0a8df6
GitHub-Last-Rev: 45f4275aa9b9550e519e1be5c337b53ab8882007
GitHub-Pull-Request: golang/go#49293
Reviewed-on: https://go-review.googlesource.com/c/go/+/360794
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Marten Seemann <martenseemann@gmail.com>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
This commit is contained in:
Monis Khan 2023-01-13 00:37:56 +00:00 • committed by Gopher Robot
parent 5ca720fc5e
commit 7ded106968
2 changed files with 67 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

4
handshake_client.go
View file

@ -133,6 +133,10 @@ func (c *Conn) makeClientHello() (*clientHelloMsg, *ecdh.PrivateKey, error) {
var key *ecdh.PrivateKey
if hello.supportedVersions[0] == VersionTLS13 {
// Reset the list of ciphers when the client only supports TLS 1.3.
if len(hello.supportedVersions) == 1 {
hello.cipherSuites = nil
}
if hasAESGCMHardwareSupport {
hello.cipherSuites = append(hello.cipherSuites, defaultCipherSuitesTLS13...)
} else {