public void TestBattery()
{
// 128-bit key
var key = new uint[] { 0x833D3433, 0x009F389F, 0x2398E64F, 0x417ACF39 }.SelectMany(x => BitConverter.GetBytes(x)).ToArray();
// Chaskey initialized with the key
var prf = new Chaskey(key);
// Perform the test battery
var message = new byte[64];
for (int i = 0; i < 64; i++)
{
message[i] = (byte)i;
// Compute the tag
var tag = prf.Compute(message, 0, i);
// Get the target tag
var targetTag = vectors[i].SelectMany(v => BitConverter.GetBytes(v));
if (tag.SequenceEqual(targetTag) == false)
{
throw new Exception(string.Format("Test vector failed for {0:N}-byte message!", i));
}
}
}
private static void BenchmarkChaskey(int iterations, int length, Action <string> writeLine)
{
// Initialize SipHash engine with a random key
var chaskey = new Chaskey(GetRandomBytes(16));
var tag = new byte[16];
// Generate specified amount of random data
var data = GetRandomBytes(length);
// Benchmark
var stopWatch = Stopwatch.StartNew();
for (int i = 0; i < iterations; i++)
{
chaskey.Compute(data, 0, data.Length, tag, 0);
}
var elapsed = stopWatch.Elapsed;
if (writeLine != null)
{
writeLine("Chaskey benchmark results:");
writeLine(string.Format(CultureInfo.CurrentUICulture, "- Digested {0} {1} times", BytesToString(data.Length), iterations));
writeLine(string.Format(CultureInfo.CurrentUICulture, "- Elapsed: {0}", elapsed.ToString(@"hh\:mm\:ss\.fff")));
writeLine(string.Format(CultureInfo.CurrentUICulture, "- Speed: {0}/s", BytesToString(data.Length / elapsed.TotalSeconds * iterations)));
}
}
private static void BenchmarkChaskey(int iterations, int length, Action<string> writeLine)
{
// Initialize SipHash engine with a random key
var chaskey = new Chaskey(GetRandomBytes(16));
var tag = new byte[16];
// Generate specified amount of random data
var data = GetRandomBytes(length);
// Benchmark
var stopWatch = Stopwatch.StartNew();
for (int i = 0; i < iterations; i++)
chaskey.Compute(data, 0, data.Length, tag, 0);
var elapsed = stopWatch.Elapsed;
if (writeLine != null)
{
writeLine("Chaskey benchmark results:");
writeLine(string.Format(CultureInfo.CurrentUICulture, "- Digested {0} {1} times", BytesToString(data.Length), iterations));
writeLine(string.Format(CultureInfo.CurrentUICulture, "- Elapsed: {0}", elapsed.ToString(@"hh\:mm\:ss\.fff")));
writeLine(string.Format(CultureInfo.CurrentUICulture, "- Speed: {0}/s", BytesToString(data.Length / elapsed.TotalSeconds * iterations)));
}
}
public void TestBattery()
{
// 128-bit key
var key = new uint[] { 0x833D3433, 0x009F389F, 0x2398E64F, 0x417ACF39 }.SelectMany(x => BitConverter.GetBytes(x)).ToArray();
// Chaskey initialized with the key
var prf = new Chaskey(key);
// Perform the test battery
var message = new byte[64];
for (int i = 0; i < 64; i++)
{
message[i] = (byte)i;
// Compute the tag
var tag = prf.Compute(message, 0, i);
// Get the target tag
var targetTag = vectors[i].SelectMany(v => BitConverter.GetBytes(v));
if (tag.SequenceEqual(targetTag) == false)
throw new Exception(string.Format("Test vector failed for {0:N}-byte message!", i));
}
}
