public void EncryptAndDecrypt_AES_NoIV()
{
byte[] cipherText = WinRTCrypto.CryptographicEngine.Encrypt(this.aesKey, this.data, null);
CollectionAssertEx.AreNotEqual(this.data, cipherText);
Assert.Equal("oCSAA4sUCGa5ukwSJdeKWw==", Convert.ToBase64String(cipherText));
byte[] plainText = WinRTCrypto.CryptographicEngine.Decrypt(this.aesKey, cipherText, null);
CollectionAssertEx.AreEqual(this.data, plainText);
}
public void GenerateRandom()
{
byte[] buffer1 = WinRTCrypto.CryptographicBuffer.GenerateRandom(15);
Assert.Equal(15, buffer1.Length);
byte[] buffer2 = WinRTCrypto.CryptographicBuffer.GenerateRandom(15);
Assert.Equal(15, buffer2.Length);
CollectionAssertEx.AreNotEqual(buffer1, buffer2);
}
public void GetBytes()
{
byte[] keyFromPassword = NetFxCrypto.DeriveBytes.GetBytes(Password1, Salt1, 5, 10, HashAlgorithmName.SHA1);
byte[] keyFromBytes = NetFxCrypto.DeriveBytes.GetBytes(Encoding.UTF8.GetBytes(Password1), Salt1, 5, 10, HashAlgorithmName.SHA1);
CollectionAssertEx.AreEqual(keyFromPassword, keyFromBytes);
Assert.Equal(DerivedKey, Convert.ToBase64String(keyFromPassword));
byte[] keyWithOtherSalt = NetFxCrypto.DeriveBytes.GetBytes(Password1, Salt2, 5, 10, HashAlgorithmName.SHA1);
CollectionAssertEx.AreNotEqual(keyFromPassword, keyWithOtherSalt);
}
public void EncryptAndDecrypt_RSA()
{
byte[] keyMaterialBytes = Convert.FromBase64String(AesKeyMaterial);
byte[] cipherText = WinRTCrypto.CryptographicEngine.Encrypt(
RsaEncryptingKey,
keyMaterialBytes,
null);
CollectionAssertEx.AreNotEqual(keyMaterialBytes, cipherText);
byte[] plainText = WinRTCrypto.CryptographicEngine.Decrypt(RsaEncryptingKey, cipherText, null);
CollectionAssertEx.AreEqual(keyMaterialBytes, plainText);
}
public void EncryptAndDecrypt_AES_IV()
{
byte[] iv = IV;
byte[] cipherText = WinRTCrypto.CryptographicEngine.Encrypt(this.aesKey, this.data, iv);
CollectionAssertEx.AreNotEqual(this.data, cipherText);
Assert.Equal(DataAesCiphertextBase64, Convert.ToBase64String(cipherText));
Assert.Equal <byte>(iv, IV); // ensure IV wasn't tampered with
byte[] plainText = WinRTCrypto.CryptographicEngine.Decrypt(this.aesKey, cipherText, iv);
CollectionAssertEx.AreEqual(this.data, plainText);
Assert.Equal <byte>(iv, IV); // ensure IV wasn't tampered with
}
