52 lines
1 KiB
Go
52 lines
1 KiB
Go
|
package main
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/hex"
|
||
|
|
"errors"
|
||
|
|
)
|
||
|
|
|
||
|
|
const (
|
||
|
|
NoisePublicKeySize = 32
|
||
|
|
NoisePrivateKeySize = 32
|
||
|
|
NoiseSymmetricKeySize = 32
|
||
|
|
)
|
||
|
|
|
||
|
|
type (
|
||
|
|
NoisePublicKey [NoisePublicKeySize]byte
|
||
|
|
NoisePrivateKey [NoisePrivateKeySize]byte
|
||
|
|
NoiseSymmetricKey [NoiseSymmetricKeySize]byte
|
||
|
|
NoiseNonce uint64 // padded to 12-bytes
|
||
|
|
)
|
||
|
|
|
||
|
|
func (key *NoisePrivateKey) FromHex(s string) error {
|
||
|
|
slice, err := hex.DecodeString(s)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
if len(slice) != NoisePrivateKeySize {
|
||
|
|
return errors.New("Invalid length of hex string for curve25519 point")
|
||
|
|
}
|
||
|
|
copy(key[:], slice)
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (key *NoisePrivateKey) ToHex() string {
|
||
|
|
return hex.EncodeToString(key[:])
|
||
|
|
}
|
||
|
|
|
||
|
|
func (key *NoisePublicKey) FromHex(s string) error {
|
||
|
|
slice, err := hex.DecodeString(s)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
if len(slice) != NoisePublicKeySize {
|
||
|
|
return errors.New("Invalid length of hex string for curve25519 scalar")
|
||
|
|
}
|
||
|
|
copy(key[:], slice)
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (key *NoisePublicKey) ToHex() string {
|
||
|
|
return hex.EncodeToString(key[:])
|
||
|
|
}
|