mirror of
https://github.com/daeuniverse/dae.git
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81 lines
1.7 KiB
Go
81 lines
1.7 KiB
Go
/*
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* SPDX-License-Identifier: AGPL-3.0-only
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* Copyright (c) 2022-2024, daeuniverse Organization <dae@v2raya.org>
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*/
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package quicutils
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import "fmt"
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type Version int
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const (
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Version_Draft = iota
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Version_V1
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Version_V2
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)
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func ParseVersion(version uint32) (Version, error) {
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switch version {
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case 0x6b3343cf:
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return Version_V2, nil
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case 1:
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return Version_V1, nil
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default:
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if (version & 0xff000000) == 0xff000000 {
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return Version_Draft, nil
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}
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return 0, fmt.Errorf("unknown version")
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}
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}
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func (v Version) InitialSalt() []byte {
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switch v {
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case Version_Draft:
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return []byte{0xaf, 0xbf, 0xec, 0x28, 0x99, 0x93, 0xd2, 0x4c, 0x9e, 0x97, 0x86, 0xf1, 0x9c, 0x61, 0x11, 0xe0, 0x43, 0x90, 0xa8, 0x99}
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case Version_V1:
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return []byte{0x38, 0x76, 0x2c, 0xf7, 0xf5, 0x59, 0x34, 0xb3, 0x4d, 0x17, 0x9a, 0xe6, 0xa4, 0xc8, 0x0c, 0xad, 0xcc, 0xbb, 0x7f, 0x0a}
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case Version_V2:
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return []byte{0x0d, 0xed, 0xe3, 0xde, 0xf7, 0x00, 0xa6, 0xdb, 0x81, 0x93, 0x81, 0xbe, 0x6e, 0x26, 0x9d, 0xcb, 0xf9, 0xbd, 0x2e, 0xd9}
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default:
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panic("unsupported quic version")
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}
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}
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func (v Version) HpLabel() []byte {
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switch v {
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case Version_Draft:
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fallthrough
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case Version_V1:
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return []byte("quic hp")
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case Version_V2:
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return []byte("quicv2 hp")
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default:
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panic("unsupported quic version")
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}
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}
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func (v Version) KeyLabel() []byte {
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switch v {
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case Version_Draft:
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fallthrough
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case Version_V1:
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return []byte("quic key")
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case Version_V2:
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return []byte("quicv2 key")
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default:
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panic("unsupported quic version")
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}
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}
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func (v Version) IvLabel() []byte {
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switch v {
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case Version_Draft:
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fallthrough
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case Version_V1:
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return []byte("quic iv")
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case Version_V2:
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return []byte("quicv2 iv")
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default:
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panic("unsupported quic version")
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}
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}
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