protected override void Compress(IBlakeState hashState, byte[] buffer, UInt64 bitCount)
{
var state = (Blake512State)hashState;
state.B = Split(buffer);
Compress(state.H, state.B, state.S, new UInt64[] { bitCount, 0x0 });
}
protected override void Compress(IBlakeState hashState, byte[] buffer, UInt64 bitCount)
{
var state = (Blake256State)hashState;
state.B = Split(buffer);
state.C = SplitCounter(bitCount);
Compress(state.H, state.B, state.S, state.C);
}
protected override byte[] FinalHash(IBlakeState hashState)
{
var state = (Blake512State)hashState;
var result = Join(state.H);
if (this._bitLen == 384)
{
Array.Resize(ref result, 48);
}
return(result);
}
protected override void InitState(out IBlakeState hashState)
{
var result = new Blake512State()
{
B = new UInt64[16],
S = new UInt64[4] {
0, 0, 0, 0
},
H = new UInt64[8]
};
if (this._bitLen == 384)
{
Array.Copy(_init384, result.H, 8);
}
else
{
Array.Copy(_init512, result.H, 8);
}
hashState = result;
}
protected override void InitState(out IBlakeState hashState)
{
var result = new Blake256State()
{
B = new UInt32[16],
S = new UInt32[4] {
0, 0, 0, 0
},
H = new UInt32[8]
};
if (this._bitLen == 224)
{
Array.Copy(_init224, result.H, 8);
}
else
{
Array.Copy(_init256, result.H, 8);
}
hashState = result;
}
/// <summary> /// Process final state to hash format /// </summary> /// <param name="hashState">Final hash state</param> /// <returns>Hash computed</returns> protected abstract byte[] FinalHash(IBlakeState hashState);
/// <summary> /// Call hash Compress function with partial data /// </summary> /// <param name="hashState">Current hash state</param> /// <param name="buffer">New buffer to compress</param> /// <param name="bitCount">Current bit count</param> protected abstract void Compress(IBlakeState hashState, byte[] buffer, UInt64 bitCount);
/// <summary> /// Initialize instance for hash computing /// </summary> /// <param name="hashState">Hash State initialized</param> protected abstract void InitState(out IBlakeState hashState);
