protected void InitCore(Blake2BCore.Blake2BConfig config)
{
Blake2BCore.Blake2BConfig cfg = config ?? DefaultConfig;
_rawConfig = Blake2BCore.ConfigB(cfg);
if (cfg.Key.IsNullOrZeroLength() == false)
{
_key = new byte[128];
cfg.Key.DeepCopy_NoChecks(0, _key, 0, cfg.Key.Length);
}
HashSize = cfg.OutputSizeInBytes;
ResetCore();
}
public static ulong[] ConfigB(Blake2BConfig config, Blake2BTreeConfig treeConfig)
{
bool isSequential = treeConfig == null;
if (isSequential)
{
treeConfig = SequentialTreeConfig;
}
ulong[] rawConfig = new ulong[8];
rawConfig[0] |= (uint)config.OutputSize;
if (config.Key != null)
{
rawConfig[0] |= (uint)config.Key.Length << 8;
}
rawConfig[0] |= (uint)treeConfig.FanOut << 16;
rawConfig[0] |= (uint)treeConfig.MaxHeight << 24;
rawConfig[0] |= (ulong)(uint)treeConfig.LeafSize << 32;
rawConfig[2] |= (uint)treeConfig.IntermediateHashSize << 8;
if (config.Salt != null)
{
rawConfig[4] = Blake2BCore.BytesToUInt64(config.Salt, 0);
rawConfig[5] = Blake2BCore.BytesToUInt64(config.Salt, 8);
}
if (config.Personalization != null)
{
rawConfig[6] = Blake2BCore.BytesToUInt64(config.Personalization, 0);
rawConfig[7] = Blake2BCore.BytesToUInt64(config.Personalization, 8);
}
return(rawConfig);
}
public static ulong[] ConfigB(Blake2BConfig Config, Blake2BTreeConfig TreeConfig)
{
bool IsSequential = TreeConfig == null;
if (IsSequential)
{
TreeConfig = Blake2Builder.SequentialTreeConfig;
}
ulong[] RawConfig = new ulong[8];
RawConfig[0] |= (uint)Config.OutputSize;
if (Config.Key != null)
{
RawConfig[0] |= (uint)Config.Key.Length << 8;
}
RawConfig[0] |= (uint)TreeConfig.FanOut << 16;
RawConfig[0] |= (uint)TreeConfig.MaxHeight << 24;
RawConfig[0] |= (ulong)(uint)TreeConfig.LeafSize << 32;
RawConfig[2] |= (uint)TreeConfig.IntermediateHashSize << 8;
if (Config.Salt != null)
{
RawConfig[4] = Blake2BCore.BytesToUInt64(Config.Salt, 0);
RawConfig[5] = Blake2BCore.BytesToUInt64(Config.Salt, 8);
}
if (Config.Personalization != null)
{
RawConfig[6] = Blake2BCore.BytesToUInt64(Config.Personalization, 0);
RawConfig[7] = Blake2BCore.BytesToUInt64(Config.Personalization, 8);
}
return(RawConfig);
}
