public void TestNullKeyVsUnKeyed()
{
IBlake2SConfig ConfigNoKeyed, ConfigNullKeyed;
byte[] MainData = null;
Int32 i;
MainData = Converters.ConvertStringToBytes(TestConstants.DefaultData, Encoding.UTF8);
for (i = 1; i <= 32; i++)
{
ConfigNoKeyed = new Blake2SConfig(i);
ConfigNullKeyed = new Blake2SConfig(i);
ConfigNullKeyed.Key = null;
IHash ExpectedHash = HashFactory.Crypto.CreateBlake2S(ConfigNoKeyed);
string ExpectedString = ExpectedHash.ComputeBytes(MainData).ToString();
IHash ActualHash = HashFactory.Crypto.CreateBlake2S(ConfigNullKeyed);
string ActualString = ActualHash.ComputeBytes(MainData).ToString();
Assert.AreEqual(ExpectedString, ActualString,
String.Format("Expected {0} but got {1} at Index {2}",
ExpectedString, ActualString, i));
}
}
public Blake2STests()
{
Int32 LIdx;
IBlake2SConfig LConfig = new Blake2SConfig();
byte[] LKey = new byte[32];
for (LIdx = 0; LIdx < LKey.Length; LIdx++)
{
LKey[LIdx] = (byte)LIdx;
}
LConfig.Key = LKey;
hash = HashFactory.Crypto.CreateBlake2S();
HashInstanceWithKey = HashFactory.Crypto.CreateBlake2S(LConfig);
ExpectedHashOfEmptyData = "69217A3079908094E11121D042354A7C1F55B6482CA1A51E1B250DFD1ED0EEF9";
ExpectedHashOfDefaultData = "D9DB23D51529BC163546C2C76F9FDC4611118A691352524D6BCCF5C79AF89E14";
ExpectedHashOfOnetoNine = "7ACC2DD21A2909140507F37396ACCE906864B5F118DFA766B107962B7A82A0D4";
ExpectedHashOfabcde = "4BD7246C13721CC5B96F045BE71D49D5C82535332C6903771AFE9EF7B772136F";
ExpectedHashOfDefaultDataWithHMACWithLongKey = "1CB9502C2FE830B46849F2C178BE527BF4B1B80B0B002F6FAC18C0A7ABD3B636";
ExpectedHashOfDefaultDataWithHMACWithShortKey = "105C7994CB1F775C709A9FBC9641FB2495311258268134F460B9895915A7519A";
UnkeyedTestVectors = Blake2STestVectors.UnkeyedBlake2S;
KeyedTestVectors = Blake2STestVectors.KeyedBlake2S;
}
} // end function CreateBlake2XS
public static IHash CreateBlake2XS(byte[] a_Key, UInt64 a_XofSizeInBits)
{
IBlake2SConfig config = new Blake2SConfig(32);
config.Key = a_Key.DeepCopy();
return(CreateBlake2XS(new Blake2XSConfig(config, null), a_XofSizeInBits));
} // end function CreateBlake2XS
private Blake2S Blake2SPCreateRoot()
{
IBlake2SConfig blake2SConfig = new Blake2SConfig(HashSize);
blake2SConfig.Key = Key.DeepCopy();
IBlake2STreeConfig blake2STreeConfig = new Blake2STreeConfig();
blake2STreeConfig.FanOut = (byte)ParallelismDegree;
blake2STreeConfig.MaxDepth = 2;
blake2STreeConfig.NodeDepth = 1;
blake2STreeConfig.LeafSize = 0;
blake2STreeConfig.NodeOffset = 0;
blake2STreeConfig.InnerHashSize = (byte)OutSizeInBytes;
blake2STreeConfig.IsLastNode = true;
return(new Blake2S(blake2SConfig, blake2STreeConfig, false));
}
private Blake2S Blake2SPCreateRoot()
{
var config = new Blake2SConfig(HashSize)
{
Key = _key
};
var treeConfig = new Blake2STreeConfig
{
FanOut = ParallelismDegree,
MaxDepth = 2,
NodeDepth = 1,
LeafSize = 0,
NodeOffset = 0,
InnerHashSize = OutSizeInBytes,
IsLastNode = true
};
return(new Blake2S(config, treeConfig, false));
}
private Blake2S Blake2SPCreateLeaf(UInt64 a_Offset)
{
IBlake2SConfig blake2SConfig = new Blake2SConfig(HashSize);
blake2SConfig.Key = Key.DeepCopy();
IBlake2STreeConfig blake2STreeConfig = new Blake2STreeConfig();
blake2STreeConfig.FanOut = (byte)ParallelismDegree;
blake2STreeConfig.MaxDepth = 2;
blake2STreeConfig.NodeDepth = 0;
blake2STreeConfig.LeafSize = 0;
blake2STreeConfig.NodeOffset = a_Offset;
blake2STreeConfig.InnerHashSize = (byte)OutSizeInBytes;
if (a_Offset == (UInt64)(ParallelismDegree - 1))
{
blake2STreeConfig.IsLastNode = true;
}
return(Blake2SPCreateLeafParam(blake2SConfig, blake2STreeConfig));
}
private Blake2S Blake2SPCreateLeaf(ulong offset)
{
var config = new Blake2SConfig(OutSizeInBytes)
{
Key = _key
};
var treeConfig = new Blake2STreeConfig
{
FanOut = ParallelismDegree,
MaxDepth = 2,
NodeDepth = 0,
LeafSize = 0,
NodeOffset = offset,
InnerHashSize = OutSizeInBytes
};
if (offset == ParallelismDegree - 1)
{
treeConfig.IsLastNode = true;
}
return(Blake2SPCreateLeafParam(config, treeConfig));
}
/// <summary> /// <br />Blake2S defaults to setting the expected output length <br /> /// from <c>Config.HashSize</c>. <br />In some cases, however, /// we do not want this, as the output length <br /> /// of these instances is given by <c>TreeConfig.InnerSize</c> /// instead. <br /> /// </summary> private static Blake2S Blake2SPCreateLeafParam(Blake2SConfig config, Blake2STreeConfig treeConfig) => new Blake2S(config, treeConfig);
public static IHash CreateBlake2S(Blake2SConfig config = null, Blake2STreeConfig treeConfig = null) => new Blake2S(config ?? Blake2SConfig.DefaultConfig, treeConfig);
public static Blake2XSConfig CreateBlake2XSConfig(Blake2SConfig config, Blake2STreeConfig treeConfig) => new Blake2XSConfig(config, treeConfig);
private Blake2XSConfig(Blake2SConfig config, Blake2STreeConfig treeConfig)
{
Config = config;
TreeConfig = treeConfig;
}
