public void EncryptDecryptBlob_WithPrivateKey()
{
using (var options = new SymmetricEncryptionProviderOptions())
using (var engine = new SymmetricEncryptionProvider(options))
{
byte[] privateKey = null;
using (var rng = new RandomNumberGenerator())
{
privateKey = rng.NextBytes(20);
}
ReadOnlySpan <byte> text = Utf8.NoBom.GetBytes("My name Jeff");
var encryptedBlob = engine.Encrypt(text, privateKey);
assert.True(!encryptedBlob.IsEmpty);
assert.True(encryptedBlob != text);
var data = new byte[encryptedBlob.Length];
encryptedBlob.CopyTo(data);
var text2 = engine.Decrypt(encryptedBlob, privateKey);
assert.True(!text2.IsEmpty);
assert.Equal(text.Length, text2.Length);
for (var i = 0; i < text2.Length; i++)
{
assert.Equal(text[i], text2[i]);
}
}
}
public void DecryptStringTest()
{
EncryptionInfo info = new EncryptionInfo();
info.PassPhrase = "Pas5pr@se"; // can be any string
info.SaltValue = "s@1tValue"; // can be any string
info.HashAlgorithm = "SHA1"; // can be "MD5"
info.Iterations = 2; // can be any number
info.InitVector = "@1B2c3D4e5F6g7H8"; // must be 16 bytes
info.KeySize = 256; // can be 192 or 128
SymmetricEncryptionProvider provider = new SymmetricEncryptionProvider();
string plainText2 = provider.Decrypt(cipherText, info);
Assert.IsNotNull(plainText2);
Assert.AreEqual(plainText2, plainText);
}
