private static void RunDecryptSymmetric(string ciphertextResourceName, string plaintextResourceName, string passphrase)
{
var ciphertext = GetTestDataAsByteArray(ciphertextResourceName);
ciphertext.ShouldNotBeNull();
ciphertext.Length.ShouldBeGreaterThan(0);
var plaintext = GetTestDataAsByteArray(plaintextResourceName);
plaintext.ShouldNotBeNull();
plaintext.Length.ShouldBeGreaterThan(0);
var cipherStream = new MemoryStream(ciphertext);
var outputStream = new MemoryStream();
var result = Simple.Decrypt(cipherStream, outputStream, new MockSecretDataProvider(passphrase));
result.ShouldNotBeNull("Result of symmetric decryption is null");
result.IsSuccessful.ShouldBeTrue("Symmetric decryption failed");
result.IsSigned.ShouldBeFalse("Expected no signature, but found one");
result.IsSignatureGood.ShouldBeFalse("Expected bad signature, but found good one");
var outputLength = (int)outputStream.Length;
outputLength.ShouldBe(plaintext.Length);
var compare = new byte[outputLength];
outputStream.Seek(0, SeekOrigin.Begin);
outputStream.Read(compare, 0, outputLength);
Assert2.AreElementsEqual(plaintext, compare);
}