code.vegaprotocol.io/vega@v0.79.0/libs/crypto/encryption_test.go (about)

     1  // Copyright (C) 2023 Gobalsky Labs Limited
     2  //
     3  // This program is free software: you can redistribute it and/or modify
     4  // it under the terms of the GNU Affero General Public License as
     5  // published by the Free Software Foundation, either version 3 of the
     6  // License, or (at your option) any later version.
     7  //
     8  // This program is distributed in the hope that it will be useful,
     9  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    10  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    11  // GNU Affero General Public License for more details.
    12  //
    13  // You should have received a copy of the GNU Affero General Public License
    14  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    15  
    16  package crypto_test
    17  
    18  import (
    19  	"testing"
    20  
    21  	vgcrypto "code.vegaprotocol.io/vega/libs/crypto"
    22  
    23  	"github.com/stretchr/testify/assert"
    24  )
    25  
    26  func TestEncryption(t *testing.T) {
    27  	t.Run("Encrypting and decrypting data succeeds", testEncryptingAndDecryptingDataSucceeds)
    28  	t.Run("Decrypting with wrong passphrase fails", testDecryptingWithWrongPassphraseFails)
    29  }
    30  
    31  func testEncryptingAndDecryptingDataSucceeds(t *testing.T) {
    32  	data := []byte("hello world")
    33  	passphrase := "oh yea?"
    34  
    35  	encryptedBuf, err := vgcrypto.Encrypt(data, passphrase)
    36  	assert.NoError(t, err)
    37  	assert.NotEmpty(t, encryptedBuf)
    38  
    39  	decryptedBuf, err := vgcrypto.Decrypt(encryptedBuf, passphrase)
    40  	assert.NoError(t, err)
    41  	assert.Equal(t, data, decryptedBuf)
    42  }
    43  
    44  func testDecryptingWithWrongPassphraseFails(t *testing.T) {
    45  	data := []byte("hello world")
    46  	passphrase := "oh yea?"
    47  	wrongPassphrase := "oh really!"
    48  
    49  	encryptedBuf, err := vgcrypto.Encrypt(data, passphrase)
    50  	assert.NoError(t, err)
    51  	assert.NotEmpty(t, encryptedBuf)
    52  
    53  	decryptedBuf, err := vgcrypto.Decrypt(encryptedBuf, wrongPassphrase)
    54  	assert.Error(t, err)
    55  	assert.NotEqual(t, data, decryptedBuf)
    56  }