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37 lines
668 B
37 lines
668 B
6 years ago
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package derivationpath
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import (
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"bytes"
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"encoding/binary"
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"fmt"
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"strings"
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)
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func Encode(rawPath []uint32) string {
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segments := []string{string(tokenMaster)}
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for _, i := range rawPath {
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suffix := ""
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if i >= hardenedStart {
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i = i - hardenedStart
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suffix = string(tokenHardened)
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}
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segments = append(segments, fmt.Sprintf("%d%s", i, suffix))
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}
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return strings.Join(segments, string(tokenSeparator))
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}
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func EncodeFromBytes(data []byte) (string, error) {
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buf := bytes.NewBuffer(data)
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rawPath := make([]uint32, buf.Len()/4)
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err := binary.Read(buf, binary.BigEndian, &rawPath)
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if err != nil {
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return "", err
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}
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return Encode(rawPath), nil
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}
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