public void Read_UsingRijndaelWithCustomSettings_MessageIsSuccessfullyDecrypted()
{
var cypherMessage = new MemoryStream(
new byte[]
{
0xc5, 0x70, 0xbf, 0x56, 0x82, 0xc2, 0x5f, 0x71, 0x53, 0xa2, 0xa3, 0x12, 0xd0, 0x8b, 0x0d, 0x08,
0xa1,
0xde, 0x65, 0x32, 0xbe, 0x8c, 0xd0, 0xa6, 0x93, 0x75, 0x71, 0x81, 0xaa, 0x6d, 0xb5, 0x56
});
var cryptoStream = new SymmetricDecryptStream(
cypherMessage,
new SymmetricDecryptionSettings
{
AlgorithmName = "Rijndael",
BlockSize = 128,
FeedbackSize = 64,
Key = GenerateKey(128),
CipherMode = CipherMode.ECB,
PaddingMode = PaddingMode.ISO10126
});
var result = cryptoStream.ReadAll();
result.Should().NotBeNull();
result.Should().BeEquivalentTo(_clearTextMessage);
}
public void Read_EmptyStream_EmptyStreamIsReturned()
{
var cryptoStream = new SymmetricDecryptStream(
new MemoryStream(),
new SymmetricDecryptionSettings
{
Key = GenerateKey(256)
});
var result = cryptoStream.ReadAll();
result.Should().BeEquivalentTo(Array.Empty <byte>());
}
public void Read_UsingAesWithDefaultSettings_MessageIsSuccessfullyDecrypted()
{
var cypherMessage = new MemoryStream(
new byte[]
{
0xa5, 0x32, 0xe6, 0x46, 0xcd, 0xed, 0xc1, 0xeb, 0xc8, 0x0c, 0x74, 0xc0, 0x3e, 0x89, 0xe1, 0x8e,
0xb5, 0x6a, 0x50, 0x4a, 0xd7, 0x4f, 0x2c, 0x74, 0x1d, 0x0e, 0x63, 0x08, 0x4f, 0x31, 0xbe, 0x2c
});
var cryptoStream = new SymmetricDecryptStream(
cypherMessage,
new SymmetricDecryptionSettings
{
Key = GenerateKey(256)
});
var result = cryptoStream.ReadAll();
result.Should().NotBeNull();
result.Should().BeEquivalentTo(_clearTextMessage);
}
public void Read_SpecifyingIV_MessageIsSuccessfullyDecrypted()
{
var cypherMessage = new MemoryStream(
new byte[]
{
0x56, 0xd6, 0xcf, 0x6a, 0x76, 0xf1, 0xe6, 0x78, 0xb6, 0x34, 0x25, 0x81, 0x6f, 0x92, 0x48, 0xe2
});
var cryptoStream = new SymmetricDecryptStream(
cypherMessage,
new SymmetricDecryptionSettings
{
Key = GenerateKey(256),
InitializationVector = GenerateKey(128)
});
var result = cryptoStream.ReadAll();
result.Should().NotBeNull();
result.Should().BeEquivalentTo(_clearTextMessage);
}
public void Read_WithoutSpecifyingIV_IVIsExtractedAndMessageIsSuccessfullyDecrypted()
{
var cypherMessage = new MemoryStream(
new byte[]
{
0x6d, 0xda, 0xdb, 0x0c, 0xf2, 0xd9, 0xb3, 0x60, 0x77, 0xcf, 0x69, 0x09, 0x52, 0x24, 0x79, 0x0a,
0x82,
0x18, 0x01, 0x2f, 0xcb, 0x97, 0x2f, 0xeb, 0x4e, 0x4a, 0x6d, 0x8b, 0xad, 0x69, 0xf6, 0x84
});
var cryptoStream = new SymmetricDecryptStream(
cypherMessage,
new SymmetricDecryptionSettings
{
Key = GenerateKey(256)
});
var result = cryptoStream.ReadAll();
result.Should().NotBeNull();
result.Should().BeEquivalentTo(_clearTextMessage);
}