private unsafe void _HashData(byte[] partIn, int ibStart, int cbSize)
{
int byteCount = cbSize;
int srcOffsetBytes = ibStart;
int dstOffsetBytes = (int)(this._count & 63L);
this._count = this._count + (long)byteCount;
fixed(uint *state = this._stateSHA1)
fixed(byte *block = this._buffer)
fixed(uint *expandedBuffer = this._expandedBuffer)
{
if (dstOffsetBytes > 0 && dstOffsetBytes + byteCount >= 64)
{
Buffer.InternalBlockCopy((Array)partIn, srcOffsetBytes, (Array)this._buffer, dstOffsetBytes, 64 - dstOffsetBytes);
srcOffsetBytes += 64 - dstOffsetBytes;
byteCount -= 64 - dstOffsetBytes;
SHA1Managed.SHATransform(expandedBuffer, state, block);
dstOffsetBytes = 0;
}
while (byteCount >= 64)
{
Buffer.InternalBlockCopy((Array)partIn, srcOffsetBytes, (Array)this._buffer, 0, 64);
srcOffsetBytes += 64;
byteCount -= 64;
SHA1Managed.SHATransform(expandedBuffer, state, block);
}
if (byteCount > 0)
{
Buffer.InternalBlockCopy((Array)partIn, srcOffsetBytes, (Array)this._buffer, dstOffsetBytes, byteCount);
}
}
}
private unsafe void _HashData(byte[] partIn, int ibStart, int cbSize)
{
int i = cbSize;
int num = ibStart;
int num2 = (int)(this._count & 63L);
this._count += (long)i;
fixed(uint *stateSHA = this._stateSHA1)
{
fixed(byte *buffer = this._buffer)
{
fixed(uint *expandedBuffer = this._expandedBuffer)
{
if (num2 > 0 && num2 + i >= 64)
{
Buffer.InternalBlockCopy(partIn, num, this._buffer, num2, 64 - num2);
num += 64 - num2;
i -= 64 - num2;
SHA1Managed.SHATransform(expandedBuffer, stateSHA, buffer);
num2 = 0;
}
while (i >= 64)
{
Buffer.InternalBlockCopy(partIn, num, this._buffer, 0, 64);
num += 64;
i -= 64;
SHA1Managed.SHATransform(expandedBuffer, stateSHA, buffer);
}
if (i > 0)
{
Buffer.InternalBlockCopy(partIn, num, this._buffer, num2, i);
}
}
}
}
}
