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|
package protocol
import (
"crypto/tls"
"fmt"
)
// EncryptionLevel is the encryption level
// Default value is Unencrypted
type EncryptionLevel uint8
const (
// EncryptionInitial is the Initial encryption level
EncryptionInitial EncryptionLevel = 1 + iota
// EncryptionHandshake is the Handshake encryption level
EncryptionHandshake
// Encryption0RTT is the 0-RTT encryption level
Encryption0RTT
// Encryption1RTT is the 1-RTT encryption level
Encryption1RTT
)
func (e EncryptionLevel) String() string {
switch e {
case EncryptionInitial:
return "Initial"
case EncryptionHandshake:
return "Handshake"
case Encryption0RTT:
return "0-RTT"
case Encryption1RTT:
return "1-RTT"
}
return "unknown"
}
func (e EncryptionLevel) ToTLSEncryptionLevel() tls.QUICEncryptionLevel {
switch e {
case EncryptionInitial:
return tls.QUICEncryptionLevelInitial
case EncryptionHandshake:
return tls.QUICEncryptionLevelHandshake
case Encryption1RTT:
return tls.QUICEncryptionLevelApplication
case Encryption0RTT:
return tls.QUICEncryptionLevelEarly
default:
panic(fmt.Sprintf("unexpected encryption level: %s", e))
}
}
func FromTLSEncryptionLevel(e tls.QUICEncryptionLevel) EncryptionLevel {
switch e {
case tls.QUICEncryptionLevelInitial:
return EncryptionInitial
case tls.QUICEncryptionLevelHandshake:
return EncryptionHandshake
case tls.QUICEncryptionLevelApplication:
return Encryption1RTT
case tls.QUICEncryptionLevelEarly:
return Encryption0RTT
default:
panic(fmt.Sprintf("unexpect encryption level: %s", e))
}
}
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