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crypto/tls: signature_algorithms in CertificateRequest can't be empty

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Change-Id: I6a6a4656ab97e1f247df35b2589cd73461b4ac76
Reviewed-on: https://go-review.googlesource.com/c/go/+/675917
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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Filippo Valsorda 2025-05-21 22:41:54 +02:00 • committed by Gopher Robot
parent 8cb0941a85
commit aca9f4e484
1 changed files with 1 additions and 1 deletions
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src/crypto/tls/handshake_messages.go
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@ -1790,7 +1790,7 @@ func (m *certificateRequestMsg) unmarshal(data []byte) bool {
} }
sigAndHashLen := uint16(data[0])<<8 | uint16(data[1]) sigAndHashLen := uint16(data[0])<<8 | uint16(data[1])
data = data[2:] data = data[2:]
if sigAndHashLen&1 != 0 { if sigAndHashLen&1 != 0 || sigAndHashLen == 0 {
return false return false
} }
if len(data) < int(sigAndHashLen) { if len(data) < int(sigAndHashLen) {