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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[:])
}
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