public void EncryptTest()
{
var containerName = "EncryptTest";
var csp = GetCsp(containerName);
var cryptoService = new AsymmetricCryptoService(_resolverMock.Object, _byteSplitter.Object, _maxBlockLengthResolver.Object);
using (var rsaCryptoServiceProvider = new RSACryptoServiceProvider(csp))
using (var currentRsaProvider = new RSACryptoServiceProvider(csp))
{
_resolverMock.Setup(x => x.Get(containerName)).Returns(rsaCryptoServiceProvider).Verifiable();
var maxLength = 256;
_maxBlockLengthResolver.Setup(x => x.MaxBlockLength(rsaCryptoServiceProvider, false)).Returns(maxLength).Verifiable();
var expected = Enumerable.Range(0, 10).Select(x => x.ToString()).Aggregate("", (s, s1) => $"{s}{s1}");
var expBytes = Encoding.UTF8.GetBytes(expected);
_byteSplitter.Setup(x => x.Split(expBytes, maxLength)).Returns(new[] {expBytes}).Verifiable();
var res = cryptoService.Encrypt(expBytes, containerName);
CollectionAssert.AreNotEqual(expBytes, res);
var actualBytes = Split(res, currentRsaProvider.KeySize/8).SelectMany(x => currentRsaProvider.Decrypt(x, false)).ToArray();
var actual = Encoding.UTF8.GetString(actualBytes);
CollectionAssert.AreEqual(expBytes, actualBytes);
Assert.AreEqual(expected, actual);
}
}
public void DecryptTest()
{
var containerName = "DecryptTest";
var csp = GetCsp(containerName);
var cryptoService = new AsymmetricCryptoService(_resolverMock.Object, _byteSplitter.Object, _maxBlockLengthResolver.Object);
using (var rsaCryptoServiceProvider = new RSACryptoServiceProvider(csp))
using (var currentRsaProvider = new RSACryptoServiceProvider(csp))
{
_resolverMock.Setup(x => x.Get(containerName)).Returns(rsaCryptoServiceProvider).Verifiable();
var bytes = Encoding.UTF8.GetBytes("123456");
var exp = currentRsaProvider.Encrypt(bytes, false);
Assert.AreNotEqual(bytes, exp);
var maxBlock = rsaCryptoServiceProvider.KeySize/8;
_maxBlockLengthResolver.Setup(x => x.EncryptedBlockLenght(rsaCryptoServiceProvider)).Returns(maxBlock).Verifiable();
_byteSplitter.Setup(x => x.Split(exp, maxBlock)).Returns((byte[] a, int ml) => Split(a, ml)).Verifiable();
CollectionAssert.AreEqual(bytes, cryptoService.Decrypt(exp, containerName));
}
}
public void EncryptDecryptLongTest()
{
const string containerName = "EncryptDecryptLongTest";
var csp = GetCsp(containerName);
var cryptoService = new AsymmetricCryptoService(_resolverMock.Object, _byteSplitter.Object, _maxBlockLengthResolver.Object);
using (var encryptRsaCryptoServiceProvider = new RSACryptoServiceProvider(csp))
using (var decryptRsaCryptoServiceProvider = new RSACryptoServiceProvider(csp))
{
var expected = Enumerable.Range(0, 5000).Select(x => x.ToString()).Aggregate("", (s, s1) => $"{s}{s1}");
var expBytes = Encoding.UTF8.GetBytes(expected);
_resolverMock.Setup(x => x.Get(containerName)).Returns(encryptRsaCryptoServiceProvider).Verifiable();
var maxLengt = 53;
_maxBlockLengthResolver.Setup(x => x.MaxBlockLength(encryptRsaCryptoServiceProvider, false)).Returns(maxLengt).Verifiable();
_byteSplitter.Setup(x => x.Split(expBytes, maxLengt)).Returns((byte[] a, int ml) => Split(a, ml)).Verifiable();
var res = cryptoService.Encrypt(expBytes, containerName);
CollectionAssert.AreNotEqual(expBytes, res);
_resolverMock.Setup(x => x.Get(containerName)).Returns(decryptRsaCryptoServiceProvider).Verifiable();
var encBlock = decryptRsaCryptoServiceProvider.KeySize/8;
_maxBlockLengthResolver.Setup(x => x.EncryptedBlockLenght(decryptRsaCryptoServiceProvider)).Returns(encBlock).Verifiable();
_byteSplitter.Setup(x => x.Split(res, encBlock)).Returns((byte[] a, int ml) => Split(a, encBlock)).Verifiable();
var actual = cryptoService.Decrypt(res, containerName);
CollectionAssert.AreEqual(expBytes, actual);
}
}
public void DifferentTest()
{
var containerName = "DifferentTest";
var csp = GetCsp(containerName);
var cryptoService = new AsymmetricCryptoService(_resolverMock.Object, _byteSplitter.Object, _maxBlockLengthResolver.Object);
using (var currentRsaProvider = new RSACryptoServiceProvider(csp))
using (var rsaCryptoServiceProvider = new RSACryptoServiceProvider(csp))
{
Assert.AreEqual(currentRsaProvider.ToXmlString(true), rsaCryptoServiceProvider.ToXmlString(true));
_resolverMock.Setup(x => x.Get(containerName)).Returns(rsaCryptoServiceProvider).Verifiable();
var expected = "123";
var expBytes = Encoding.UTF8.GetBytes(expected);
var maxLength = 100;
_maxBlockLengthResolver.Setup(x => x.MaxBlockLength(rsaCryptoServiceProvider, false)).Returns(maxLength).Verifiable();
_maxBlockLengthResolver.Setup(x => x.MaxBlockLength(currentRsaProvider, false)).Returns(maxLength).Verifiable();
_byteSplitter.Setup(x => x.Split(expBytes, maxLength)).Returns(new[] {expBytes}).Verifiable();
var res1 = cryptoService.Encrypt(expBytes, containerName);
_resolverMock.Setup(x => x.Get(containerName)).Returns(currentRsaProvider).Verifiable();
var res2 = cryptoService.Encrypt(expBytes, containerName);
CollectionAssert.AreNotEqual(res1, res2);
}
}