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crypto/tls: implement Extended Master Secret

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All OpenSSL tests now test operation with EMS. To test a handshake
*without* EMS we need to pass -Options=-ExtendedMasterSecret which is
only available in OpenSSL 3.1, which breaks a number of other tests.

Updates #43922

Change-Id: Ib9ac79a1d03fab6bfba5fe9cd66689cff661cda7
Reviewed-on: https://go-review.googlesource.com/c/go/+/497376
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
This commit is contained in:
Filippo Valsorda 2023-05-24 01:55:45 +02:00 • committed by Gopher Robot
parent 1143de0f03
commit d154b73cf1
120 changed files with 9366 additions and 9243 deletions
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3
conn.go
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@ -45,6 +45,7 @@ type Conn struct {
// connection so far. If renegotiation is disabled then this is either
// zero or one.
handshakes int
extMasterSecret bool
didResume bool // whether this connection was a session resumption
cipherSuite uint16
ocspResponse []byte // stapled OCSP response
@ -1606,7 +1607,7 @@ func (c *Conn) connectionStateLocked() ConnectionState {
state.VerifiedChains = c.verifiedChains
state.SignedCertificateTimestamps = c.scts
state.OCSPResponse = c.ocspResponse
if !c.didResume && c.vers != VersionTLS13 {
if (!c.didResume || c.extMasterSecret) && c.vers != VersionTLS13 {
if c.clientFinishedIsFirst {
state.TLSUnique = c.clientFinished[:]
} else {