// Expect NoSuchPaddingException
/// <exception cref="System.Exception"/>
public virtual void TestUpdateArguments()
{
Assume.AssumeTrue(OpensslCipher.GetLoadingFailureReason() == null);
OpensslCipher cipher = OpensslCipher.GetInstance("AES/CTR/NoPadding");
Assert.True(cipher != null);
cipher.Init(OpensslCipher.EncryptMode, key, iv);
// Require direct buffers
ByteBuffer input = ByteBuffer.Allocate(1024);
ByteBuffer output = ByteBuffer.Allocate(1024);
try
{
cipher.Update(input, output);
NUnit.Framework.Assert.Fail("Input and output buffer should be direct buffer.");
}
catch (ArgumentException e)
{
GenericTestUtils.AssertExceptionContains("Direct buffers are required", e);
}
// Output buffer length should be sufficient to store output data
input = ByteBuffer.AllocateDirect(1024);
output = ByteBuffer.AllocateDirect(1000);
try
{
cipher.Update(input, output);
NUnit.Framework.Assert.Fail("Output buffer length should be sufficient " + "to store output data"
);
}
catch (ShortBufferException e)
{
GenericTestUtils.AssertExceptionContains("Output buffer is not sufficient", e);
}
}
/// <exception cref="System.Exception"/>
public virtual void TestDoFinalArguments()
{
Assume.AssumeTrue(OpensslCipher.GetLoadingFailureReason() == null);
OpensslCipher cipher = OpensslCipher.GetInstance("AES/CTR/NoPadding");
Assert.True(cipher != null);
cipher.Init(OpensslCipher.EncryptMode, key, iv);
// Require direct buffer
ByteBuffer output = ByteBuffer.Allocate(1024);
try
{
cipher.DoFinal(output);
NUnit.Framework.Assert.Fail("Output buffer should be direct buffer.");
}
catch (ArgumentException e)
{
GenericTestUtils.AssertExceptionContains("Direct buffer is required", e);
}
}
/// <exception cref="System.Exception"/>
public virtual void TestGetInstance()
{
Assume.AssumeTrue(OpensslCipher.GetLoadingFailureReason() == null);
OpensslCipher cipher = OpensslCipher.GetInstance("AES/CTR/NoPadding");
Assert.True(cipher != null);
try
{
cipher = OpensslCipher.GetInstance("AES2/CTR/NoPadding");
NUnit.Framework.Assert.Fail("Should specify correct algorithm.");
}
catch (NoSuchAlgorithmException)
{
}
// Expect NoSuchAlgorithmException
try
{
cipher = OpensslCipher.GetInstance("AES/CTR/NoPadding2");
NUnit.Framework.Assert.Fail("Should specify correct padding.");
}
catch (NoSuchPaddingException)
{
}
}
/// <exception cref="GeneralSecurityException"/>
public OpensslAesCtrCipher(int mode)
{
this.mode = mode;
cipher = OpensslCipher.GetInstance(Suite.GetName());
}