public async Task Argon2dRfcVector()
{
byte[] password = new byte[32];
for (int i = 0; i < 32; i++)
{
password[i] = 1;
}
byte[] salt = new byte[16];
for (int i = 0; i < 16; i++)
{
salt[i] = 2;
}
byte[] secret = new byte[8];
for (int i = 0; i < 8; i++)
{
secret[i] = 3;
}
byte[] data = new byte[12];
for (int i = 0; i < 12; i++)
{
data[i] = 4;
}
Argon2d engine = new Argon2d(
password,
salt,
secret,
data,
4,
32,
32,
3
);
byte[] output = new byte[32];
await engine.HashAsync(output, CancellationToken.None);
byte[] expectedOutput = new byte[32]
{
0x51, 0x2b, 0x39, 0x1b, 0x6f, 0x11, 0x62, 0x97,
0x53, 0x71, 0xd3, 0x09, 0x19, 0x73, 0x42, 0x94,
0xf8, 0x68, 0xe3, 0xbe, 0x39, 0x84, 0xf3, 0xc1,
0xa1, 0x3a, 0x4d, 0xb9, 0xfa, 0xbe, 0x4a, 0xcb
};
for (int i = 0; i < 16; i++)
{
Assert.AreEqual(expectedOutput[i], output[i], $"out[{i}]");
}
}
/// <summary>
/// Asynchronously computes the number of iterations required to get to one second of runtime.
/// </summary>
/// <returns>A task that resolves to the desired number of Argon2 iterations.</returns>
public async Task <ulong> ComputeOneSecondDelay()
{
CancellationTokenSource cts = new CancellationTokenSource(TimeSpan.FromSeconds(1));
Argon2d instance = this.algoParams.CreateArgonInstance(new byte[32]);
byte[] buffer = new byte[instance.TagLength];
int iterations = await instance.HashAsync(buffer, cts.Token, Argon2HashingMode.Indefinite).ConfigureAwait(false);
return((ulong)iterations);
}
public async Task Argon2HeavyMultiThread()
{
byte[] password = new byte[32];
for (int i = 0; i < 32; i++)
{
password[i] = 1;
}
byte[] salt = new byte[16];
for (int i = 0; i < 16; i++)
{
salt[i] = 2;
}
byte[] secret = new byte[8];
for (int i = 0; i < 8; i++)
{
secret[i] = 3;
}
byte[] data = new byte[12];
for (int i = 0; i < 12; i++)
{
data[i] = 4;
}
Argon2d engine = new Argon2d(
password,
salt,
secret,
data,
8,
16,
40960,
8
);
byte[] output = new byte[16];
await engine.HashAsync(output, CancellationToken.None);
byte[] expectedOutput = new byte[16]
{
0x23, 0xb8, 0x9e, 0x2f, 0x01, 0xce, 0x60, 0xa1,
0xd3, 0x2b, 0xe8, 0xa0, 0x92, 0x64, 0xc2, 0x80
};
for (int i = 0; i < 16; i++)
{
Assert.AreEqual(expectedOutput[i], output[i], $"out[{i}]");
}
}
public async Task Argon2LongerSegments()
{
byte[] password = new byte[32];
for (int i = 0; i < 32; i++)
{
password[i] = 1;
}
byte[] salt = new byte[16];
for (int i = 0; i < 16; i++)
{
salt[i] = 2;
}
byte[] secret = new byte[8];
for (int i = 0; i < 8; i++)
{
secret[i] = 3;
}
byte[] data = new byte[12];
for (int i = 0; i < 12; i++)
{
data[i] = 4;
}
Argon2d engine = new Argon2d(
password,
salt,
secret,
data,
2,
8,
32,
5
);
byte[] output = new byte[8];
await engine.HashAsync(output, CancellationToken.None);
byte[] expectedOutput = new byte[8]
{
0xa4, 0x26, 0xcc, 0xef, 0x1b, 0x72, 0x4a, 0xaf
};
for (int i = 0; i < 8; i++)
{
Assert.AreEqual(expectedOutput[i], output[i], $"out[{i}]");
}
}
/// <summary>
/// Asynchronously transforms the user's key.
/// </summary>
/// <param name="rawKey">The key to transform.</param>
/// <param name="token">Token used to cancel the transform task.</param>
/// <returns>The transformed key.</returns>
public async Task <IBuffer> TransformKeyAsync(IBuffer rawKey, CancellationToken token)
{
if (rawKey == null)
{
throw new ArgumentNullException(nameof(rawKey));
}
Argon2d instance = this.algoParams.CreateArgonInstance(rawKey.ToArray());
byte[] buffer = new byte[instance.TagLength];
await instance.HashAsync(buffer, token).ConfigureAwait(false);
return(buffer.AsBuffer());
}
public async Task Argon2SimpleSingleThread()
{
byte[] password = new byte[16];
for (int i = 0; i < 16; i++)
{
password[i] = 0;
}
byte[] salt = new byte[16];
for (int i = 0; i < 16; i++)
{
salt[i] = 1;
}
Argon2d engine = new Argon2d(
password,
salt,
new byte[0],
new byte[0],
1,
16,
8,
3
);
byte[] output = new byte[16];
await engine.HashAsync(output, CancellationToken.None);
byte[] expectedOutput = new byte[16]
{
0x6d, 0x1a, 0x2c, 0x5f, 0x65, 0x4a, 0x27, 0x7e,
0x03, 0x9e, 0xad, 0xe2, 0x03, 0x68, 0x21, 0x61
};
for (int i = 0; i < 16; i++)
{
Assert.AreEqual(expectedOutput[i], output[i], $"out[{i}]");
}
}