public void ToKeyFileStringPublicOnlyCertificateTest()
{
// Load Certificate
X509Certificate2 cert = new X509Certificate2("4096.pfx", string.Empty, X509KeyStorageFlags.Exportable);
// Make a provider
AsymmetricBlobCryptoProvider asymmetricProvider = new AsymmetricBlobCryptoProvider(cert, true);
string keyString = asymmetricProvider.ToKeyFileString(true);
// Clone a new provider from exported keyfile
IBlobCryptoProvider clonedProvider = ProviderFactory.CreateProviderFromKeyFileString(keyString);
// Run an encryption loop using the two providers
// Should be able to encrypt with the public only clone, and decrypt with the original
var encryptedStream = clonedProvider.EncryptedStream(streamSample);
var decryptedStream = asymmetricProvider.DecryptedStream(encryptedStream);
byte[] result = new byte[sampleStreamSize];
decryptedStream.Read(result, 0, result.Length);
Assert.IsTrue(
result.SequenceEqual(streamSample.ToArray()),
"Decrypted data does not match original data");
}
public void ToKeyFileStringDecryptFailsWithNoPrivateKeyTest()
{
// Load Certificate
X509Certificate2 cert = new X509Certificate2("4096.pfx", string.Empty, X509KeyStorageFlags.Exportable);
// Make a provider
AsymmetricBlobCryptoProvider asymmetricProvider = new AsymmetricBlobCryptoProvider(cert, true);
string keyString = asymmetricProvider.ToKeyFileString(true);
// Clone a new provider from exported keyfile
IBlobCryptoProvider clonedProvider = ProviderFactory.CreateProviderFromKeyFileString(keyString);
// Run an encryption loop using the cloned provider
// which should not have a private key (And thus fail).
var encryptedStream = clonedProvider.EncryptedStream(streamSample);
var decryptedStream = clonedProvider.DecryptedStream(encryptedStream);
byte[] result = new byte[sampleStreamSize];
decryptedStream.Read(result, 0, result.Length);
Assert.IsTrue(
result.SequenceEqual(streamSample.ToArray()),
"Decrypted data does not match original data");
}
public void ToKeyFileStringAndBackTest()
{
IBlobCryptoProvider asymmetricProvider = new AsymmetricBlobCryptoProvider();
string keyString = asymmetricProvider.ToKeyFileString();
IBlobCryptoProvider clonedProvider = ProviderFactory.CreateProviderFromKeyFileString(keyString);
var encryptedStream = asymmetricProvider.EncryptedStream(streamSample);
var decryptedStream = clonedProvider.DecryptedStream(encryptedStream);
byte[] result = new byte[sampleStreamSize];
decryptedStream.Read(result, 0, result.Length);
Assert.IsTrue(
result.SequenceEqual(streamSample.ToArray()),
"Decrypted data does not match original data");
}
