private BsonBinaryData ExplicitEncrypt(
ClientEncryption clientEncryption,
EncryptOptions encryptOptions,
BsonValue value,
bool async)
{
BsonBinaryData encryptedValue;
if (async)
{
encryptedValue = clientEncryption
.EncryptAsync(
value,
encryptOptions,
CancellationToken.None)
.GetAwaiter()
.GetResult();
}
else
{
encryptedValue = clientEncryption.Encrypt(
value,
encryptOptions,
CancellationToken.None);
}
return(encryptedValue);
}
public void InitializesIv(EncryptionAlgorithm algorithm)
{
// Use a 256-bit key which will be truncated based on the selected algorithm.
byte[] k = new byte[] { 0xe2, 0x7e, 0xd0, 0xc8, 0x45, 0x12, 0xbb, 0xd5, 0x5b, 0x6a, 0xf4, 0x34, 0xd2, 0x37, 0xc1, 0x1f, 0xeb, 0xa3, 0x11, 0x87, 0x0f, 0x80, 0xf2, 0xc2, 0xe3, 0x36, 0x42, 0x60, 0xf3, 0x1c, 0x82, 0xc8 };
JsonWebKey key = new JsonWebKey(new[] { KeyOperation.Encrypt, KeyOperation.Decrypt })
{
K = k,
};
AesCryptographyProvider provider = new AesCryptographyProvider(key, null);
byte[] plaintext = Encoding.UTF8.GetBytes("plaintext");
EncryptOptions encryptOptions = new EncryptOptions(algorithm, plaintext, null, null);
EncryptResult encrypted = provider.Encrypt(encryptOptions, default);
Assert.IsNotNull(encryptOptions.Iv);
CollectionAssert.AreEqual(encryptOptions.Iv, encrypted.Iv);
DecryptOptions decryptOptions = new DecryptOptions(algorithm, encrypted.Ciphertext, encrypted.Iv);
DecryptResult decrypted = provider.Decrypt(decryptOptions, default);
Assert.IsNotNull(decrypted);
// AES-CBC will be zero-padded.
StringAssert.StartsWith("plaintext", Encoding.UTF8.GetString(decrypted.Plaintext));
}
public void RequiresPlaintext()
{
ArgumentNullException ex = Assert.Throws <ArgumentNullException>(() => EncryptOptions.Rsa15Options(null));
Assert.AreEqual("plaintext", ex.ParamName);
ex = Assert.Throws <ArgumentNullException>(() => EncryptOptions.RsaOaepOptions(null));
Assert.AreEqual("plaintext", ex.ParamName);
ex = Assert.Throws <ArgumentNullException>(() => EncryptOptions.RsaOaep256Options(null));
Assert.AreEqual("plaintext", ex.ParamName);
ex = Assert.Throws <ArgumentNullException>(() => EncryptOptions.A128GcmOptions(null));
Assert.AreEqual("plaintext", ex.ParamName);
Assert.DoesNotThrow(() => EncryptOptions.A128GcmOptions(Array.Empty <byte>(), null));
ex = Assert.Throws <ArgumentNullException>(() => EncryptOptions.A192GcmOptions(null));
Assert.AreEqual("plaintext", ex.ParamName);
Assert.DoesNotThrow(() => EncryptOptions.A192GcmOptions(Array.Empty <byte>(), null));
ex = Assert.Throws <ArgumentNullException>(() => EncryptOptions.A256GcmOptions(null));
Assert.AreEqual("plaintext", ex.ParamName);
Assert.DoesNotThrow(() => EncryptOptions.A256GcmOptions(Array.Empty <byte>(), null));
ex = Assert.Throws <ArgumentNullException>(() => EncryptOptions.A128CbcOptions(null));
Assert.AreEqual("plaintext", ex.ParamName);
Assert.DoesNotThrow(() => EncryptOptions.A128CbcOptions(Array.Empty <byte>(), null));
ex = Assert.Throws <ArgumentNullException>(() => EncryptOptions.A128CbcOptions(null));
Assert.AreEqual("plaintext", ex.ParamName);
Assert.DoesNotThrow(() => EncryptOptions.A192CbcOptions(Array.Empty <byte>(), null));
ex = Assert.Throws <ArgumentNullException>(() => EncryptOptions.A128CbcOptions(null));
Assert.AreEqual("plaintext", ex.ParamName);
Assert.DoesNotThrow(() => EncryptOptions.A256CbcOptions(Array.Empty <byte>(), null));
ex = Assert.Throws <ArgumentNullException>(() => EncryptOptions.A128CbcPadOptions(null));
Assert.AreEqual("plaintext", ex.ParamName);
Assert.DoesNotThrow(() => EncryptOptions.A128CbcPadOptions(Array.Empty <byte>(), null));
ex = Assert.Throws <ArgumentNullException>(() => EncryptOptions.A128CbcPadOptions(null));
Assert.AreEqual("plaintext", ex.ParamName);
Assert.DoesNotThrow(() => EncryptOptions.A192CbcPadOptions(Array.Empty <byte>(), null));
ex = Assert.Throws <ArgumentNullException>(() => EncryptOptions.A128CbcPadOptions(null));
Assert.AreEqual("plaintext", ex.ParamName);
Assert.DoesNotThrow(() => EncryptOptions.A256CbcPadOptions(Array.Empty <byte>(), null));
}
public void EncryptOptionsOnlyRequired()
{
byte[] buffer = new byte[] { 0, 1, 2, 3 };
EncryptOptions options = CryptographyModelFactory.EncryptOptions(EncryptionAlgorithm.A128Cbc, buffer);
Assert.AreEqual(EncryptionAlgorithm.A128Cbc, options.Algorithm);
CollectionAssert.AreEqual(buffer, options.Plaintext);
Assert.IsNull(options.Iv);
Assert.IsNull(options.AdditionalAuthenticatedData);
}
/// <summary>
///
/// </summary>
/// <param name="opts"></param>
/// <returns></returns>
private static string Encrypt(EncryptOptions opts)
{
var encryptedString = StringCipher.Encrypt(opts.PlainString, opts.PassPhrase);
var result = $"Encrypted cipher [{encryptedString}] generated by encrypting plain string [{opts.PlainString}] with pass phrase [{opts.PassPhrase}]";
DisplayOutput(result);
return(encryptedString);
}
public void ClientSideExplicitEncryptionAndDecryptionTour()
{
RequireServer.Check().Supports(Feature.ClientSideEncryption);
var localMasterKey = Convert.FromBase64String(LocalMasterKey);
var kmsProviders = new Dictionary <string, IReadOnlyDictionary <string, object> >();
var localKey = new Dictionary <string, object>
{
{ "key", localMasterKey }
};
kmsProviders.Add("local", localKey);
var keyVaultNamespace = CollectionNamespace.FromFullName("encryption.__keyVault");
var keyVaultClient = new MongoClient("mongodb://localhost");
var keyVaultDatabase = keyVaultClient.GetDatabase(keyVaultNamespace.DatabaseNamespace.DatabaseName);
keyVaultDatabase.DropCollection(keyVaultNamespace.CollectionName);
// Create the ClientEncryption instance
var clientEncryptionSettings = new ClientEncryptionOptions(
keyVaultClient,
keyVaultNamespace,
kmsProviders);
using (var clientEncryption = new ClientEncryption(clientEncryptionSettings))
{
var dataKeyId = clientEncryption.CreateDataKey(
"local",
new DataKeyOptions(),
CancellationToken.None);
var originalString = "123456789";
_output.WriteLine($"Original string {originalString}.");
// Explicitly encrypt a field
var encryptOptions = new EncryptOptions(
EncryptionAlgorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic.ToString(),
keyId: dataKeyId);
var encryptedFieldValue = clientEncryption.Encrypt(
originalString,
encryptOptions,
CancellationToken.None);
_output.WriteLine($"Encrypted value {encryptedFieldValue}.");
// Explicitly decrypt the field
var decryptedValue = clientEncryption.Decrypt(encryptedFieldValue, CancellationToken.None);
_output.WriteLine($"Decrypted value {decryptedValue}.");
}
}
private static void EncryptWallet(EncryptOptions options)
{
string path = options.WalletPath;
path = Path.IsPathRooted(path) || path.StartsWith("~/")
? path
: Path.Join(Path.GetDirectoryName(Path.GetFullPath(path)), path);
var content = File.ReadAllBytes(path) ?? throw new Exception($"Cannot read file {path}");
var key = Encoding.UTF8.GetBytes(options.WalletPassword).KeccakBytes();
var crypto = CryptoProvider.GetCrypto();
var encryptedContent = crypto.AesGcmEncrypt(key, content);
using var stream = System.Console.OpenStandardOutput();
stream.Write(encryptedContent, 0, encryptedContent.Length);
}
public void Constructor_should_support_different_algorithm_representations(object algorithm, string expectedAlgorithmRepresentation)
{
var alternateKeyName = "test";
EncryptOptions subject;
if (algorithm is EncryptionAlgorithm enumedAlgorithm)
{
subject = new EncryptOptions(enumedAlgorithm, alternateKeyName: alternateKeyName);
}
else
{
subject = new EncryptOptions(algorithm.ToString(), alternateKeyName: alternateKeyName);
}
subject.Algorithm.Should().Be(expectedAlgorithmRepresentation);
subject.AlternateKeyName.Should().Be("test");
subject.KeyId.Should().NotHaveValue();
}
public static int RunEncrypt(EncryptOptions opts)
{
try
{
var collection = new X509Certificate2Collection();
collection.Import(opts.CertificatePath, opts.Password, X509KeyStorageFlags.PersistKeySet);
var cert = collection[0];
var data = File.ReadAllText(opts.FilePath);
var tdes = new TripleDESCryptoServiceProvider();
tdes.GenerateKey();
var encryptor = tdes.CreateEncryptor();
byte[] encData;
using (var msEncrypt = new MemoryStream())
{
using (var csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write))
{
using (var swEncrypt = new StreamWriter(csEncrypt))
{
swEncrypt.Write(data);
}
encData = msEncrypt.ToArray();
}
}
using (var rsa = cert.GetRSAPublicKey())
{
var encryptedKey = rsa.Encrypt(tdes.Key, RSAEncryptionPadding.OaepSHA1);
var encryptedIV = rsa.Encrypt(tdes.IV, RSAEncryptionPadding.OaepSHA1);
Console.WriteLine($"Plaintext data: {data}");
Console.WriteLine($"Encrypted data: {Encoding.UTF8.GetString(encData)}");
var dataTotal = encData.Concat(encryptedKey).Concat(encryptedIV).ToArray();
Console.WriteLine($"Total data: {Encoding.UTF8.GetString(dataTotal)}");
File.WriteAllBytes(opts.Output, dataTotal);
}
}
catch (Exception e)
{
return(-1);
}
return(0);
}
public void ExternalKeyVaultTest(
[Values(false, true)] bool withExternalKeyVault,
[Values(false, true)] bool async)
{
RequireServer.Check().Supports(Feature.ClientSideEncryption);
var clientEncryptedSchema = new BsonDocument("db.coll", JsonFileReader.Instance.Documents["external.external-schema.json"]);
using (var client = ConfigureClient())
using (var clientEncrypted = ConfigureClientEncrypted(clientEncryptedSchema, withExternalKeyVault))
using (var clientEncryption = ConfigureClientEncryption(clientEncrypted.Wrapped as MongoClient))
{
var datakeys = GetCollection(client, __keyVaultCollectionNamespace);
var externalKey = JsonFileReader.Instance.Documents["external.external-key.json"];
Insert(datakeys, async, externalKey);
var coll = GetCollection(clientEncrypted, __collCollectionNamespace);
var exception = Record.Exception(() => Insert(coll, async, new BsonDocument("encrypted", "test")));
if (withExternalKeyVault)
{
exception.InnerException.Should().BeOfType <MongoAuthenticationException>();
}
else
{
exception.Should().BeNull();
}
var encryptionOptions = new EncryptOptions(
algorithm: EncryptionAlgorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic.ToString(),
keyId: GuidConverter.FromBytes(Convert.FromBase64String("LOCALAAAAAAAAAAAAAAAAA=="), GuidRepresentation.Standard));
exception = Record.Exception(() => ExplicitEncrypt(clientEncryption, encryptionOptions, "test", async));
if (withExternalKeyVault)
{
exception.InnerException.Should().BeOfType <MongoAuthenticationException>();
}
else
{
exception.Should().BeNull();
}
}
}
public void EncryptAfterValidDate()
{
using Aes aes = Aes.Create();
KeyVaultKey key = new KeyVaultKey("test")
{
Key = new JsonWebKey(aes),
Properties =
{
ExpiresOn = DateTimeOffset.Now.AddDays(-1),
},
};
AesCryptographyProvider provider = new AesCryptographyProvider(key.Key, key.Properties);
byte[] iv = { 0x3d, 0xaf, 0xba, 0x42, 0x9d, 0x9e, 0xb4, 0x30, 0xb4, 0x22, 0xda, 0x80, 0x2c, 0x9f, 0xac, 0x41 };
EncryptOptions options = EncryptOptions.A128CbcOptions(Encoding.UTF8.GetBytes("Single block msg"), iv);
InvalidOperationException ex = Assert.Throws <InvalidOperationException>(() => provider.Encrypt(options, default));
Assert.AreEqual($"The key \"test\" is not valid after {key.Properties.ExpiresOn.Value:r}.", ex.Message);
}
public void InitializesIv([EnumValues] EncryptionAlgorithm algorithm)
{
EncryptOptions options = new EncryptOptions(algorithm, Array.Empty <byte>());
options.Initialize();
if (algorithm.GetAesCbcEncryptionAlgorithm() != null)
{
byte[] iv = options.Iv;
Assert.IsNotNull(options.Iv);
CollectionAssert.IsNotEmpty(options.Iv);
// Calling it again should not overwrite.
options.Initialize();
Assert.AreSame(iv, options.Iv);
}
else
{
Assert.IsNull(options.Iv);
}
}
public void EncryptAfterValidDate()
{
using RSA rsa = RSA.Create();
KeyVaultKey key = new KeyVaultKey("test")
{
Key = new JsonWebKey(rsa),
Properties =
{
ExpiresOn = DateTimeOffset.Now.AddDays(-1),
},
};
RsaCryptographyProvider provider = new RsaCryptographyProvider(key.Key, key.Properties);
byte[] plaintext = Encoding.UTF8.GetBytes("test");
InvalidOperationException ex = Assert.Throws <InvalidOperationException>(() => provider.Encrypt(EncryptOptions.RsaOaep256Options(plaintext), default));
Assert.AreEqual($"The key \"test\" is not valid after {key.Properties.ExpiresOn.Value:r}.", ex.Message);
}
public void CustomEndpointTest([Values(false, true)] bool async)
{
RequireServer.Check().Supports(Feature.ClientSideEncryption);
using (var client = ConfigureClient())
using (var clientEncryption = ConfigureClientEncryption(client.Wrapped as MongoClient))
{
var testCaseMasterKey = new BsonDocument
{
{ "region", "us-east-1" },
{ "key", "arn:aws:kms:us-east-1:579766882180:key/89fcc2c4-08b0-4bd9-9f25-e30687b580d0" }
};
TestCase(testCaseMasterKey);
testCaseMasterKey = new BsonDocument
{
{ "region", "us-east-1" },
{ "key", "arn:aws:kms:us-east-1:579766882180:key/89fcc2c4-08b0-4bd9-9f25-e30687b580d0" },
{ "endpoint", "kms.us-east-1.amazonaws.com" }
};
TestCase(testCaseMasterKey);
testCaseMasterKey = new BsonDocument
{
{ "region", "us-east-1" },
{ "key", "arn:aws:kms:us-east-1:579766882180:key/89fcc2c4-08b0-4bd9-9f25-e30687b580d0" },
{ "endpoint", "kms.us-east-1.amazonaws.com:443" }
};
TestCase(testCaseMasterKey);
testCaseMasterKey = new BsonDocument
{
{ "region", "us-east-1" },
{ "key", "arn:aws:kms:us-east-1:579766882180:key/89fcc2c4-08b0-4bd9-9f25-e30687b580d0" },
{ "endpoint", "kms.us-east-1.amazonaws.com:12345" }
};
var exception = Record.Exception(() => TestCase(testCaseMasterKey));
exception.InnerException.Should().BeAssignableTo <SocketException>();
testCaseMasterKey = new BsonDocument
{
{ "region", "us-east-1" },
{ "key", "arn:aws:kms:us-east-1:579766882180:key/89fcc2c4-08b0-4bd9-9f25-e30687b580d0" },
{ "endpoint", "kms.us-east-2.amazonaws.com" }
};
exception = Record.Exception(() => TestCase(testCaseMasterKey));
exception.Should().NotBeNull();
exception.Message.Should().Contain("us-east-1");
testCaseMasterKey = new BsonDocument
{
{ "region", "us-east-1" },
{ "key", "arn:aws:kms:us-east-1:579766882180:key/89fcc2c4-08b0-4bd9-9f25-e30687b580d0" },
{ "endpoint", "example.com" }
};
exception = Record.Exception(() => TestCase(testCaseMasterKey));
exception.Should().NotBeNull();
exception.Message.Should().Contain("parse error");
// additional not spec tests
testCaseMasterKey = new BsonDocument
{
{ "region", "us-east-1" },
{ "key", "arn:aws:kms:us-east-1:579766882180:key/89fcc2c4-08b0-4bd9-9f25-e30687b580d0" },
{ "endpoint", "$test$" }
};
exception = Record.Exception(() => TestCase(testCaseMasterKey));
exception.Should().NotBeNull();
exception.InnerException.Should().BeAssignableTo <SocketException>();
void TestCase(BsonDocument masterKey)
{
var dataKeyOptions = new DataKeyOptions(masterKey: masterKey);
var dataKey = CreateDataKey(clientEncryption, "aws", dataKeyOptions, async);
var encryptOptions = new EncryptOptions(
algorithm: EncryptionAlgorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic.ToString(),
keyId: dataKey);
var value = "test";
var encrypted = ExplicitEncrypt(clientEncryption, encryptOptions, value, async);
var decrypted = ExplicitDecrypt(clientEncryption, encrypted, async);
decrypted.Should().Be(BsonValue.Create(value));
}
}
}
public void CreateDataKeyAndDoubleEncryptionTest(
[Values("local", "aws")] string kmsProvider,
[Values(false, true)] bool async)
{
RequireServer.Check().Supports(Feature.ClientSideEncryption);
using (var client = ConfigureClient())
using (var clientEncrypted = ConfigureClientEncrypted(BsonDocument.Parse(SchemaMap)))
using (var clientEncryption = ConfigureClientEncryption(clientEncrypted.Wrapped as MongoClient))
{
var dataKeyOptions = CreateDataKeyOptions(kmsProvider);
var dataKey = CreateDataKey(clientEncryption, kmsProvider, dataKeyOptions, async);
var keyVaultCollection = GetCollection(client, __keyVaultCollectionNamespace);
var keyVaultDocument =
Find(
keyVaultCollection,
new BsonDocument("_id", new BsonBinaryData(dataKey, GuidRepresentation.Standard)),
async)
.Single();
keyVaultDocument["masterKey"]["provider"].Should().Be(BsonValue.Create(kmsProvider));
var encryptOptions = new EncryptOptions(
EncryptionAlgorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic.ToString(),
keyId: dataKey);
var encryptedValue = ExplicitEncrypt(
clientEncryption,
encryptOptions,
$"hello {kmsProvider}",
async);
encryptedValue.SubType.Should().Be(BsonBinarySubType.Encrypted);
var coll = GetCollection(clientEncrypted, __collCollectionNamespace);
Insert(
coll,
async,
new BsonDocument
{
{ "_id", kmsProvider },
{ "value", encryptedValue }
});
var findResult = Find(coll, new BsonDocument("_id", kmsProvider), async).Single();
findResult["value"].ToString().Should().Be($"hello {kmsProvider}");
encryptOptions = new EncryptOptions(
EncryptionAlgorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic.ToString(),
alternateKeyName: $"{kmsProvider}_altname");
var encryptedValueWithAlternateKeyName = ExplicitEncrypt(
clientEncryption,
encryptOptions,
$"hello {kmsProvider}",
async);
encryptedValueWithAlternateKeyName.SubType.Should().Be(BsonBinarySubType.Encrypted);
encryptedValueWithAlternateKeyName.Should().Be(encryptedValue);
if (kmsProvider == "local") // the test description expects this assert only once for a local kms provider
{
coll = GetCollection(clientEncrypted, __collCollectionNamespace);
var exception = Record.Exception(() => Insert(coll, async, new BsonDocument("encrypted_placeholder", encryptedValue)));
exception.Should().BeOfType <MongoEncryptionException>();
}
}
}
public void ClientSideExplicitEncryptionAndAutoDecryptionTour()
{
RequireServer.Check().Supports(Feature.ClientSideEncryption);
var localMasterKey = Convert.FromBase64String(LocalMasterKey);
var kmsProviders = new Dictionary <string, IReadOnlyDictionary <string, object> >();
var localKey = new Dictionary <string, object>
{
{ "key", localMasterKey }
};
kmsProviders.Add("local", localKey);
var keyVaultNamespace = CollectionNamespace.FromFullName("encryption.__keyVault");
var collectionNamespace = CollectionNamespace.FromFullName("test.coll");
var autoEncryptionOptions = new AutoEncryptionOptions(
keyVaultNamespace,
kmsProviders,
bypassAutoEncryption: true);
var clientSettings = MongoClientSettings.FromConnectionString("mongodb://localhost");
clientSettings.AutoEncryptionOptions = autoEncryptionOptions;
var mongoClient = new MongoClient(clientSettings);
var database = mongoClient.GetDatabase(collectionNamespace.DatabaseNamespace.DatabaseName);
database.DropCollection(collectionNamespace.CollectionName);
var collection = database.GetCollection <BsonDocument>(collectionNamespace.CollectionName);
var keyVaultClient = new MongoClient("mongodb://localhost");
var keyVaultDatabase = keyVaultClient.GetDatabase(keyVaultNamespace.DatabaseNamespace.DatabaseName);
keyVaultDatabase.DropCollection(keyVaultNamespace.CollectionName);
// Create the ClientEncryption instance
var clientEncryptionSettings = new ClientEncryptionOptions(
keyVaultClient,
keyVaultNamespace,
kmsProviders);
using (var clientEncryption = new ClientEncryption(clientEncryptionSettings))
{
var dataKeyId = clientEncryption.CreateDataKey(
"local",
new DataKeyOptions(),
CancellationToken.None);
var originalString = "123456789";
_output.WriteLine($"Original string {originalString}.");
// Explicitly encrypt a field
var encryptOptions = new EncryptOptions(
EncryptionAlgorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic.ToString(),
keyId: dataKeyId);
var encryptedFieldValue = clientEncryption.Encrypt(
originalString,
encryptOptions,
CancellationToken.None);
_output.WriteLine($"Encrypted value {encryptedFieldValue}.");
collection.InsertOne(new BsonDocument("encryptedField", encryptedFieldValue));
// Automatically decrypts the encrypted field.
var decryptedValue = collection.Find(FilterDefinition <BsonDocument> .Empty).First();
_output.WriteLine($"Decrypted document {decryptedValue.ToJson()}.");
}
}
static void AssertValues(EncryptOptions subject, string algorithm, Guid?keyId, string alternateKeyName)
{
subject.Algorithm.Should().Be(algorithm);
subject.KeyId.Should().Be(keyId);
subject.AlternateKeyName.Should().Be(alternateKeyName);
}
public Task <EncryptResult> EncryptAsync(EncryptOptions options, CancellationToken cancellationToken = default) => throw new CryptographicException(CRYPT_E_NO_PROVIDER);
public void EncryptDecryptRoundtrips(EncryptionAlgorithm algorithm)
{
// Use a 256-bit key which will be truncated based on the selected algorithm.
byte[] k = new byte[] { 0xe2, 0x7e, 0xd0, 0xc8, 0x45, 0x12, 0xbb, 0xd5, 0x5b, 0x6a, 0xf4, 0x34, 0xd2, 0x37, 0xc1, 0x1f, 0xeb, 0xa3, 0x11, 0x87, 0x0f, 0x80, 0xf2, 0xc2, 0xe3, 0x36, 0x42, 0x60, 0xf3, 0x1c, 0x82, 0xc8 };
byte[] iv = new byte[] { 0x89, 0xb8, 0xad, 0xbf, 0xb0, 0x73, 0x45, 0xe3, 0x59, 0x89, 0x32, 0xa0, 0x9c, 0x51, 0x74, 0x41 };
byte[] aad = Encoding.UTF8.GetBytes("test");
JsonWebKey key = new JsonWebKey(new[] { KeyOperation.Encrypt, KeyOperation.Decrypt })
{
K = k,
};
AesCryptographyProvider provider = new AesCryptographyProvider(key, null);
byte[] plaintext = Encoding.UTF8.GetBytes("plaintext");
if (algorithm.IsAesGcm())
{
iv = iv.Take(AesGcmProxy.NonceByteSize);
}
EncryptOptions encryptOptions = new EncryptOptions(algorithm, plaintext, iv, aad);
EncryptResult encrypted = provider.Encrypt(encryptOptions, default);
#if !NETCOREAPP3_1
if (algorithm.IsAesGcm())
{
Assert.IsNull(encrypted);
Assert.Ignore($"AES-GCM is not supported on {RuntimeInformation.FrameworkDescription} on {RuntimeInformation.OSDescription}");
}
#endif
Assert.IsNotNull(encrypted);
switch (algorithm.ToString())
{
// TODO: Move to new test to make sure CryptoClient and LocalCryptoClient initialize a null ICM for AES-CBC(PAD).
case EncryptionAlgorithm.A128CbcValue:
CollectionAssert.AreEqual(
new byte[] { 0x63, 0x23, 0x21, 0xaf, 0x94, 0xf9, 0xe1, 0x21, 0xc2, 0xbd, 0xb1, 0x1b, 0x04, 0x89, 0x8c, 0x3a },
encrypted.Ciphertext);
CollectionAssert.AreEqual(iv, encrypted.Iv);
Assert.IsNull(encrypted.AuthenticationTag);
Assert.IsNull(encrypted.AdditionalAuthenticatedData);
break;
case EncryptionAlgorithm.A192CbcValue:
CollectionAssert.AreEqual(
new byte[] { 0x95, 0x9d, 0x75, 0x91, 0x09, 0x8b, 0x70, 0x0b, 0x9c, 0xfe, 0xaf, 0xcd, 0x60, 0x1f, 0xaa, 0x79 },
encrypted.Ciphertext);
CollectionAssert.AreEqual(iv, encrypted.Iv);
Assert.IsNull(encrypted.AuthenticationTag);
Assert.IsNull(encrypted.AdditionalAuthenticatedData);
break;
case EncryptionAlgorithm.A256CbcValue:
CollectionAssert.AreEqual(
new byte[] { 0xf4, 0xe8, 0x5a, 0xa4, 0xa8, 0xb3, 0xff, 0xc3, 0x85, 0x89, 0x17, 0x9a, 0x70, 0x09, 0x96, 0x7f },
encrypted.Ciphertext);
CollectionAssert.AreEqual(iv, encrypted.Iv);
Assert.IsNull(encrypted.AuthenticationTag);
Assert.IsNull(encrypted.AdditionalAuthenticatedData);
break;
case EncryptionAlgorithm.A128CbcPadValue:
CollectionAssert.AreEqual(
new byte[] { 0xec, 0xb2, 0x63, 0x4c, 0xe0, 0x04, 0xe0, 0x31, 0x2d, 0x9a, 0x77, 0xb2, 0x11, 0xe5, 0x28, 0x7f },
encrypted.Ciphertext);
CollectionAssert.AreEqual(iv, encrypted.Iv);
Assert.IsNull(encrypted.AuthenticationTag);
Assert.IsNull(encrypted.AdditionalAuthenticatedData);
break;
case EncryptionAlgorithm.A192CbcPadValue:
CollectionAssert.AreEqual(
new byte[] { 0xc3, 0x4e, 0x1b, 0xe7, 0x6e, 0xa1, 0xf1, 0xc3, 0x24, 0xae, 0x05, 0x1b, 0x0e, 0x32, 0xac, 0xb4 },
encrypted.Ciphertext);
CollectionAssert.AreEqual(iv, encrypted.Iv);
Assert.IsNull(encrypted.AuthenticationTag);
Assert.IsNull(encrypted.AdditionalAuthenticatedData);
break;
case EncryptionAlgorithm.A256CbcPadValue:
CollectionAssert.AreEqual(
new byte[] { 0x4e, 0xbd, 0x78, 0xda, 0x90, 0x73, 0xc8, 0x97, 0x67, 0x2b, 0xa1, 0x0a, 0x41, 0x67, 0xf8, 0x99 },
encrypted.Ciphertext);
CollectionAssert.AreEqual(iv, encrypted.Iv);
Assert.IsNull(encrypted.AuthenticationTag);
Assert.IsNull(encrypted.AdditionalAuthenticatedData);
break;
case EncryptionAlgorithm.A128GcmValue:
case EncryptionAlgorithm.A192GcmValue:
case EncryptionAlgorithm.A256GcmValue:
Assert.IsNotNull(encrypted.Ciphertext);
Assert.IsNotNull(encrypted.Iv);
Assert.IsNotNull(encrypted.AuthenticationTag);
CollectionAssert.AreEqual(aad, encrypted.AdditionalAuthenticatedData);
break;
}
DecryptOptions decryptOptions = algorithm.IsAesGcm() ?
new DecryptOptions(algorithm, encrypted.Ciphertext, encrypted.Iv, encrypted.AuthenticationTag, encrypted.AdditionalAuthenticatedData) :
new DecryptOptions(algorithm, encrypted.Ciphertext, encrypted.Iv);
DecryptResult decrypted = provider.Decrypt(decryptOptions, default);
Assert.IsNotNull(decrypted);
// AES-CBC will be zero-padded.
StringAssert.StartsWith("plaintext", Encoding.UTF8.GetString(decrypted.Plaintext));
}