diff options
Diffstat (limited to 'device/noise-types.go')
-rw-r--r-- | device/noise-types.go | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/device/noise-types.go b/device/noise-types.go deleted file mode 100644 index a1976ff..0000000 --- a/device/noise-types.go +++ /dev/null @@ -1,91 +0,0 @@ -/* SPDX-License-Identifier: MIT - * - * Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved. - */ - -package device - -import ( - "crypto/subtle" - "encoding/hex" - "errors" - - "golang.org/x/crypto/chacha20poly1305" -) - -const ( - NoisePublicKeySize = 32 - NoisePrivateKeySize = 32 -) - -type ( - NoisePublicKey [NoisePublicKeySize]byte - NoisePrivateKey [NoisePrivateKeySize]byte - NoiseSymmetricKey [chacha20poly1305.KeySize]byte - NoiseNonce uint64 // padded to 12-bytes -) - -func loadExactHex(dst []byte, src string) error { - slice, err := hex.DecodeString(src) - if err != nil { - return err - } - if len(slice) != len(dst) { - return errors.New("hex string does not fit the slice") - } - copy(dst, slice) - return nil -} - -func (key NoisePrivateKey) IsZero() bool { - var zero NoisePrivateKey - return key.Equals(zero) -} - -func (key NoisePrivateKey) Equals(tar NoisePrivateKey) bool { - return subtle.ConstantTimeCompare(key[:], tar[:]) == 1 -} - -func (key *NoisePrivateKey) FromHex(src string) (err error) { - err = loadExactHex(key[:], src) - key.clamp() - return -} - -func (key *NoisePrivateKey) FromMaybeZeroHex(src string) (err error) { - err = loadExactHex(key[:], src) - if key.IsZero() { - return - } - key.clamp() - return -} - -func (key NoisePrivateKey) ToHex() string { - return hex.EncodeToString(key[:]) -} - -func (key *NoisePublicKey) FromHex(src string) error { - return loadExactHex(key[:], src) -} - -func (key NoisePublicKey) ToHex() string { - return hex.EncodeToString(key[:]) -} - -func (key NoisePublicKey) IsZero() bool { - var zero NoisePublicKey - return key.Equals(zero) -} - -func (key NoisePublicKey) Equals(tar NoisePublicKey) bool { - return subtle.ConstantTimeCompare(key[:], tar[:]) == 1 -} - -func (key *NoiseSymmetricKey) FromHex(src string) error { - return loadExactHex(key[:], src) -} - -func (key NoiseSymmetricKey) ToHex() string { - return hex.EncodeToString(key[:]) -} |