forked from TrueCloudLab/frostfs-s3-gw
dbe65ae602
Mostly taken from old SDK (abe47687cd11266f946cad57f07572cc10c67226), but error handling adapted to eliminate pkg/errors and internal packages. Signed-off-by: Roman Khimov <roman@nspcc.ru>
63 lines
1.1 KiB
Go
63 lines
1.1 KiB
Go
package hcs
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import (
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"encoding/hex"
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"io"
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"io/ioutil"
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"os"
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"golang.org/x/crypto/curve25519"
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)
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func (p *public) Bytes() []byte {
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buf := make([]byte, curve25519.PointSize)
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copy(buf, *p)
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return buf
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}
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func (p *public) String() string {
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buf := p.Bytes()
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return hex.EncodeToString(buf)
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}
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func (p *public) WriteTo(w io.Writer) (int64, error) {
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pb := p.Bytes()
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pl, err := w.Write(pb)
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return int64(pl), err
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}
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func publicKeyFromBytes(v []byte) (PublicKey, error) {
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pub := public(v)
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return &pub, nil
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}
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func publicKeyFromString(val string) (PublicKey, error) {
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v, err := hex.DecodeString(val)
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if err != nil {
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return nil, err
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}
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return publicKeyFromBytes(v)
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}
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func NewPublicKeyFromReader(r io.Reader) (PublicKey, error) {
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data := make([]byte, curve25519.PointSize)
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if _, err := r.Read(data); err != nil {
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return nil, err
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}
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return publicKeyFromBytes(data)
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}
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func LoadPublicKey(val string) (PublicKey, error) {
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data, err := ioutil.ReadFile(val)
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if err != nil {
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if os.IsNotExist(err) {
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return publicKeyFromString(val)
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}
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return nil, err
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}
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return publicKeyFromBytes(data)
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}
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