public override void PerformTest()
{
IDigest d = new Sha1Digest();
ShortenedDigest sd = new ShortenedDigest(new Sha1Digest(), 10);
if (sd.GetDigestSize() != 10)
{
Fail("size check wrong for SHA-1");
}
if (sd.GetByteLength() != d.GetByteLength())
{
Fail("byte length check wrong for SHA-1");
}
//
// check output fits
//
sd.DoFinal(new byte[10], 0);
d = new Sha512Digest();
sd = new ShortenedDigest(new Sha512Digest(), 20);
if (sd.GetDigestSize() != 20)
{
Fail("size check wrong for SHA-512");
}
if (sd.GetByteLength() != d.GetByteLength())
{
Fail("byte length check wrong for SHA-512");
}
//
// check output fits
//
sd.DoFinal(new byte[20], 0);
try
{
new ShortenedDigest(null, 20);
Fail("null parameter not caught");
}
catch (ArgumentException)
{
// expected
}
try
{
new ShortenedDigest(new Sha1Digest(), 50);
Fail("short digest not caught");
}
catch (ArgumentException)
{
// expected
}
}
