void BufferPtr::CopyFrom (const ConstBufferPtr &bufferPtr) const
{
if (bufferPtr.Size() > DataSize)
throw ParameterTooLarge (SRC_POS);
Memory::Copy (DataPtr, bufferPtr.Get(), bufferPtr.Size());
}
T VolumeHeader::DeserializeEntryAt (const ConstBufferPtr &header, const size_t &offset) const
{
if (offset > header.Size())
throw ParameterIncorrect (SRC_POS);
return Endian::Big (*reinterpret_cast<const T *> (header.Get() + offset));
}
void EncryptionModeLRW::SetKey (const ConstBufferPtr &key)
{
if (key.Size() != 16)
throw ParameterIncorrect (SRC_POS);
if (!KeySet)
GfContext.Allocate (sizeof (GfCtx));
if (!Gf64TabInit ((unsigned char *) key.Get(), (GfCtx *) (GfContext.Ptr())))
throw bad_alloc();
if (!Gf128Tab64Init ((unsigned char *) key.Get(), (GfCtx *) (GfContext.Ptr())))
throw bad_alloc();
Key.CopyFrom (key);
KeySet = true;
}
void Buffer::CopyFrom (const ConstBufferPtr &bufferPtr)
{
if (!IsAllocated ())
Allocate (bufferPtr.Size());
else if (bufferPtr.Size() > DataSize)
throw ParameterTooLarge (SRC_POS);
Memory::Copy (DataPtr, bufferPtr.Get(), bufferPtr.Size());
}
void Sha256::ProcessData (const ConstBufferPtr &data)
{
if_debug (ValidateDataParameters (data));
sha256_hash (data.Get(), (int) data.Size(), (sha256_ctx *) Context.Ptr());
}
void Ripemd160::ProcessData (const ConstBufferPtr &data)
{
if_debug (ValidateDataParameters (data));
RMD160Update ((RMD160_CTX *) Context.Ptr(), data.Get(), (int) data.Size());
}
void Whirlpool::ProcessData (const ConstBufferPtr &data)
{
if_debug (ValidateDataParameters (data));
WHIRLPOOL_add (data.Get(), (int) data.Size() * 8, (WHIRLPOOL_CTX *) Context.Ptr());
}