public static TheoryData <AuthenticatedEncryptionTestParams> DecryptMismatchTheoryData()
{
var theoryData = new TheoryData <AuthenticatedEncryptionTestParams>();
var keys128 = new List <SymmetricSecurityKey> {
Default.SymmetricEncryptionKey256, Default.SymmetricEncryptionKey384, Default.SymmetricEncryptionKey512, Default.SymmetricEncryptionKey768, Default.SymmetricEncryptionKey1024
};
var keys256 = new List <SymmetricSecurityKey> {
Default.SymmetricEncryptionKey512, Default.SymmetricEncryptionKey768, Default.SymmetricEncryptionKey1024
};
var keys128_256 = new List <SymmetricSecurityKey> {
Default.SymmetricEncryptionKey512, Default.SymmetricEncryptionKey768, Default.SymmetricEncryptionKey1024, Default.SymmetricEncryptionKey256, Default.SymmetricEncryptionKey384
};
for (int i = 0; i < keys128.Count - 1; i++)
{
for (int j = i + 1; j < keys128.Count; j++)
{
AddDecryptMismatchTheoryData(
"Test1-" + i.ToString() + "-" + j.ToString(),
keys128[i],
keys128[j],
SecurityAlgorithms.Aes128CbcHmacSha256,
SecurityAlgorithms.Aes128CbcHmacSha256,
ExpectedException.SecurityTokenDecryptionFailedException(),
theoryData);
}
}
for (int i = keys128.Count - 1; i > 0; i--)
{
for (int j = i - 1; j > -1; j--)
{
AddDecryptMismatchTheoryData(
"Test2-" + i.ToString() + "-" + j.ToString(),
keys128[i],
keys128[j],
SecurityAlgorithms.Aes128CbcHmacSha256,
SecurityAlgorithms.Aes128CbcHmacSha256,
ExpectedException.SecurityTokenDecryptionFailedException(),
theoryData);
}
}
for (int i = 0; i < keys256.Count - 1; i++)
{
for (int j = i + 1; j < keys256.Count; j++)
{
AddDecryptMismatchTheoryData(
"Test3-" + i.ToString() + "-" + j.ToString(),
keys256[i],
keys256[j],
SecurityAlgorithms.Aes256CbcHmacSha512,
SecurityAlgorithms.Aes256CbcHmacSha512,
ExpectedException.SecurityTokenDecryptionFailedException(),
theoryData);
}
}
for (int i = keys256.Count - 1; i > 0; i--)
{
for (int j = i - 1; j > -1; j--)
{
AddDecryptMismatchTheoryData(
"Test4-" + i.ToString() + "-" + j.ToString(),
keys256[i],
keys256[j],
SecurityAlgorithms.Aes256CbcHmacSha512,
SecurityAlgorithms.Aes256CbcHmacSha512,
ExpectedException.SecurityTokenDecryptionFailedException(),
theoryData);
}
}
for (int i = 0; i < keys256.Count - 1; i++)
{
for (int j = 0; j < keys128.Count; j++)
{
AddDecryptMismatchTheoryData(
"Test5-" + i.ToString() + "-" + j.ToString(),
keys128[j],
keys256[i],
SecurityAlgorithms.Aes128CbcHmacSha256,
SecurityAlgorithms.Aes256CbcHmacSha512,
ExpectedException.SecurityTokenDecryptionFailedException(),
theoryData);
}
}
return(theoryData);
}
private static void AddDecryptTamperedTheoryData(string testId, SymmetricSecurityKey key, string algorithm, TheoryData <AuthenticatedEncryptionTestParams> theoryData)
{
var authenticatedData = Guid.NewGuid().ToByteArray();
var plainText = Guid.NewGuid().ToByteArray();
var provider = new AuthenticatedEncryptionProvider(key, algorithm);
var results = provider.Encrypt(plainText, authenticatedData);
theoryData.Add(new AuthenticatedEncryptionTestParams
{
AuthenticatedData = Guid.NewGuid().ToByteArray(),
DecryptAlgorithm = algorithm,
DecryptKey = key,
EE = ExpectedException.SecurityTokenDecryptionFailedException("IDX10650:"),
EncryptAlgorithm = algorithm,
EncryptKey = key,
EncryptionResults = results,
Provider = provider,
TestId = "AddDecryptTheoryData1_" + testId
});
results = provider.Encrypt(plainText, authenticatedData);
TestUtilities.XORBytes(results.IV);
theoryData.Add(new AuthenticatedEncryptionTestParams
{
AuthenticatedData = authenticatedData,
DecryptAlgorithm = algorithm,
DecryptKey = key,
EE = ExpectedException.SecurityTokenDecryptionFailedException("IDX10650:"),
EncryptAlgorithm = algorithm,
EncryptKey = key,
EncryptionResults = results,
Provider = provider,
TestId = "AddDecryptTheoryData2_" + testId
});
results = provider.Encrypt(plainText, authenticatedData);
TestUtilities.XORBytes(results.AuthenticationTag);
theoryData.Add(new AuthenticatedEncryptionTestParams
{
AuthenticatedData = authenticatedData,
DecryptAlgorithm = algorithm,
DecryptKey = key,
EE = ExpectedException.SecurityTokenDecryptionFailedException("IDX10650:"),
EncryptAlgorithm = algorithm,
EncryptKey = key,
EncryptionResults = results,
Provider = provider,
TestId = "AddDecryptTheoryData3_" + testId
});
results = provider.Encrypt(plainText, authenticatedData);
TestUtilities.XORBytes(results.Ciphertext);
theoryData.Add(new AuthenticatedEncryptionTestParams
{
AuthenticatedData = authenticatedData,
DecryptAlgorithm = algorithm,
DecryptKey = key,
EE = ExpectedException.SecurityTokenDecryptionFailedException("IDX10650:"),
EncryptAlgorithm = algorithm,
EncryptKey = key,
EncryptionResults = results,
Provider = provider,
TestId = "AddDecryptTheoryData4_" + testId
});
}
