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Make server respond with a TLS 1.3 cipher suite

This commit is contained in:
Andy Wang 2024-02-09 15:49:42 +00:00
parent eca5f13936
commit b3ec1ab3bc
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GPG Key ID: 181B49F9F38F3374
1 changed files with 2 additions and 2 deletions
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4
internal/server/TLSAux.go
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@ -164,12 +164,12 @@ func parseClientHello(data []byte) (ret *ClientHello, err error) {
func composeServerHello(sessionId []byte, nonce [12]byte, encryptedSessionKeyWithTag [48]byte) []byte { func composeServerHello(sessionId []byte, nonce [12]byte, encryptedSessionKeyWithTag [48]byte) []byte {
var serverHello [11][]byte var serverHello [11][]byte
serverHello[0] = []byte{0x02} // handshake type serverHello[0] = []byte{0x02} // handshake type
serverHello[1] = []byte{0x00, 0x00, 0x76} // length 77 serverHello[1] = []byte{0x00, 0x00, 0x76} // length 118
serverHello[2] = []byte{0x03, 0x03} // server version serverHello[2] = []byte{0x03, 0x03} // server version
serverHello[3] = append(nonce[0:12], encryptedSessionKeyWithTag[0:20]...) // random 32 bytes serverHello[3] = append(nonce[0:12], encryptedSessionKeyWithTag[0:20]...) // random 32 bytes
serverHello[4] = []byte{0x20} // session id length 32 serverHello[4] = []byte{0x20} // session id length 32
serverHello[5] = sessionId // session id serverHello[5] = sessionId // session id
serverHello[6] = []byte{0xc0, 0x30} // cipher suite TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 serverHello[6] = []byte{0x13, 0x02} // cipher suite TLS_AES_256_GCM_SHA384
serverHello[7] = []byte{0x00} // compression method null serverHello[7] = []byte{0x00} // compression method null
serverHello[8] = []byte{0x00, 0x2e} // extensions length 46 serverHello[8] = []byte{0x00, 0x2e} // extensions length 46