mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-11-23 00:51:29 +00:00
35 lines
838 B
Go
35 lines
838 B
Go
package vless
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import (
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"bytes"
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"github.com/sagernet/sing/common/buf"
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)
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var (
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tls13SupportedVersions = []byte{0x00, 0x2b, 0x00, 0x02, 0x03, 0x04}
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tlsClientHandShakeStart = []byte{0x16, 0x03}
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tlsServerHandShakeStart = []byte{0x16, 0x03, 0x03}
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tlsApplicationDataStart = []byte{0x17, 0x03, 0x03}
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)
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var tls13CipherSuiteDic = map[uint16]string{
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0x1301: "TLS_AES_128_GCM_SHA256",
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0x1302: "TLS_AES_256_GCM_SHA384",
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0x1303: "TLS_CHACHA20_POLY1305_SHA256",
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0x1304: "TLS_AES_128_CCM_SHA256",
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0x1305: "TLS_AES_128_CCM_8_SHA256",
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}
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func reshapeBuffer(b []byte) []*buf.Buffer {
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const bufferLimit = 8192 - 21
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if len(b) < bufferLimit {
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return []*buf.Buffer{buf.As(b)}
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}
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index := int32(bytes.LastIndex(b, tlsApplicationDataStart))
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if index <= 0 {
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index = 8192 / 2
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}
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return []*buf.Buffer{buf.As(b[:index]), buf.As(b[index:])}
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}
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