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test: add signal encryption test

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This commit is contained in:
braginini
2021-06-03 11:39:19 +02:00
parent 45697a0000
commit 9b327ea6ba
3 changed files with 62 additions and 5 deletions
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10
signal/encryption.go
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@ -14,24 +14,24 @@ import (
// Wireguard keys are used for encryption
// Encrypt encrypts a message using local Wireguard private key and remote peer's public key.
func Encrypt(msg []byte, peersPublicKey wgtypes.Key, privateKey wgtypes.Key) ([]byte, error) {
func Encrypt(msg []byte, peerPublicKey wgtypes.Key, privateKey wgtypes.Key) ([]byte, error) {
nonce, err := genNonce()
if err != nil {
return nil, err
}
return box.Seal(nonce[:], msg, nonce, toByte32(peersPublicKey), toByte32(privateKey)), nil
return box.Seal(nonce[:], msg, nonce, toByte32(peerPublicKey), toByte32(privateKey)), nil
}
// Decrypt decrypts a message that has been encrypted by the remote peer using Wireguard private key and remote peer's public key.
func Decrypt(encryptedMsg []byte, peersPublicKey wgtypes.Key, privateKey wgtypes.Key) ([]byte, error) {
func Decrypt(encryptedMsg []byte, peerPublicKey wgtypes.Key, privateKey wgtypes.Key) ([]byte, error) {
nonce, err := genNonce()
if err != nil {
return nil, err
}
copy(nonce[:], encryptedMsg[:24])
opened, ok := box.Open(nil, encryptedMsg[24:], nonce, toByte32(peersPublicKey), toByte32(privateKey))
opened, ok := box.Open(nil, encryptedMsg[24:], nonce, toByte32(peerPublicKey), toByte32(privateKey))
if !ok {
return nil, fmt.Errorf("failed to decrypt message from peer %s", peersPublicKey.String())
return nil, fmt.Errorf("failed to decrypt message from peer %s", peerPublicKey.String())
}
return opened, nil