Update dependencies (#1951)
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21
vendor/golang.org/x/crypto/ssh/handshake.go
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vendored
21
vendor/golang.org/x/crypto/ssh/handshake.go
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vendored
@@ -615,7 +615,8 @@ func (t *handshakeTransport) enterKeyExchange(otherInitPacket []byte) error {
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return err
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}
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if t.sessionID == nil {
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firstKeyExchange := t.sessionID == nil
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if firstKeyExchange {
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t.sessionID = result.H
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}
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result.SessionID = t.sessionID
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@@ -626,6 +627,24 @@ func (t *handshakeTransport) enterKeyExchange(otherInitPacket []byte) error {
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if err = t.conn.writePacket([]byte{msgNewKeys}); err != nil {
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return err
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}
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// On the server side, after the first SSH_MSG_NEWKEYS, send a SSH_MSG_EXT_INFO
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// message with the server-sig-algs extension if the client supports it. See
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// RFC 8308, Sections 2.4 and 3.1.
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if !isClient && firstKeyExchange && contains(clientInit.KexAlgos, "ext-info-c") {
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extInfo := &extInfoMsg{
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NumExtensions: 1,
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Payload: make([]byte, 0, 4+15+4+len(supportedPubKeyAuthAlgosList)),
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}
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extInfo.Payload = appendInt(extInfo.Payload, len("server-sig-algs"))
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extInfo.Payload = append(extInfo.Payload, "server-sig-algs"...)
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extInfo.Payload = appendInt(extInfo.Payload, len(supportedPubKeyAuthAlgosList))
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extInfo.Payload = append(extInfo.Payload, supportedPubKeyAuthAlgosList...)
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if err := t.conn.writePacket(Marshal(extInfo)); err != nil {
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return err
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}
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}
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if packet, err := t.conn.readPacket(); err != nil {
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return err
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} else if packet[0] != msgNewKeys {
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