mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2025-05-02 11:53:43 +02:00
60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
/*
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* Copyright (c)2013-2020 ZeroTier, Inc.
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file in the project's root directory.
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*
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* Change Date: 2024-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2.0 of the Apache License.
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*/
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/****/
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package zerotier
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//#cgo CFLAGS: -O3
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//#include "../../native/GoGlue.h"
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import "C"
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import (
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"encoding/base32"
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"errors"
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"strings"
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"unsafe"
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)
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var ztBase32 = base32.NewEncoding("abcdefghijklmnopqrstuvwxyz234567").WithPadding(base32.NoPadding)
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type Fingerprint struct {
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Address Address `json:"address"`
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Hash [48]byte `json:"hash"`
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}
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func NewFingerprintFromString(fps string) (*Fingerprint, error) {
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fpb, err := ztBase32.DecodeString(strings.TrimSpace(strings.ToLower(fps)))
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if err != nil {
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return nil, err
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}
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if len(fpb) != 53 {
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return nil, errors.New("invalid fingerprint length")
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}
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var fp Fingerprint
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fp.Address, _ = NewAddressFromBytes(fpb[0:5])
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copy(fp.Hash[:],fpb[5:])
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return &fp, nil
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}
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func (fp *Fingerprint) String() string {
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var tmp [53]byte
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fp.Address.CopyTo(tmp[0:5])
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copy(tmp[5:],fp.Hash[:])
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return ztBase32.EncodeToString(tmp[:])
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}
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func (fp *Fingerprint) apiFingerprint() *C.ZT_Fingerprint {
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var apifp C.ZT_Fingerprint
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apifp.address = C.uint64_t(fp.Address)
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copy((*[48]byte)(unsafe.Pointer(&apifp.hash[0]))[:], fp.Hash[:])
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return &apifp
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}
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