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crypto/tls: FIPS 140-3 mode

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Consolidates handling of FIPS 140-3 considerations for the tls package.
Considerations specific to certificates are now handled in tls instead
of x509 to limit the area-of-effect of FIPS as much as possible.
Boringcrypto specific prefixes are renamed as appropriate.

For #69536

Co-authored-by: Filippo Valsorda <filippo@golang.org>
Change-Id: I1b1fef83c3599e4c9b98ad81db582ac93253030b
Reviewed-on: https://go-review.googlesource.com/c/go/+/629675
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Russ Cox <rsc@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
yuhan6665
2025-05-04 23:10:11 -04:00
co-authored by Filippo Valsorda
parent 0f3d0f2e71
commit 9cb8914b9f
11 changed files with 142 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files
handshake_client.go
+16 -5
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@@ -22,6 +22,7 @@ import (
"time"
"github.com/xtls/reality/byteorder"
"github.com/xtls/reality/fips140tls"
"github.com/xtls/reality/hpke"
"github.com/xtls/reality/mlkem"
"github.com/xtls/reality/tls13"
@@ -142,7 +143,7 @@ func (c *Conn) makeClientHello() (*clientHelloMsg, *keySharePrivateKeys, *echCon
if len(hello.supportedVersions) == 1 {
hello.cipherSuites = nil
}
if needFIPS() {
if fips140tls.Required() {
hello.cipherSuites = append(hello.cipherSuites, defaultCipherSuitesTLS13FIPS...)
} else if hasAESGCMHardwareSupport {
hello.cipherSuites = append(hello.cipherSuites, defaultCipherSuitesTLS13...)
@@ -1105,8 +1106,13 @@ func (c *Conn) verifyServerCertificate(certificates [][]byte) error {
for _, cert := range certs[1:] {
opts.Intermediates.AddCert(cert)
}
var err error
c.verifiedChains, err = certs[0].Verify(opts)
chains, err := certs[0].Verify(opts)
if err != nil {
c.sendAlert(alertBadCertificate)
return &CertificateVerificationError{UnverifiedCertificates: certs, Err: err}
}
c.verifiedChains, err = fipsAllowedChains(chains)
if err != nil {
c.sendAlert(alertBadCertificate)
return &CertificateVerificationError{UnverifiedCertificates: certs, Err: err}
@@ -1123,8 +1129,13 @@ func (c *Conn) verifyServerCertificate(certificates [][]byte) error {
for _, cert := range certs[1:] {
opts.Intermediates.AddCert(cert)
}
var err error
c.verifiedChains, err = certs[0].Verify(opts)
chains, err := certs[0].Verify(opts)
if err != nil {
c.sendAlert(alertBadCertificate)
return &CertificateVerificationError{UnverifiedCertificates: certs, Err: err}
}
c.verifiedChains, err = fipsAllowedChains(chains)
if err != nil {
c.sendAlert(alertBadCertificate)
return &CertificateVerificationError{UnverifiedCertificates: certs, Err: err}