Function DERLengthEncode

src/cryptopp/asn.cpp:17–36

/// DER Length
size_t DERLengthEncode(BufferedTransformation &bt, lword length)
{
	size_t i=0;
	if (length <= 0x7f)
	{
		bt.Put(byte(length));
		i++;
	}
	else
	{
		bt.Put(byte(BytePrecision(length) | 0x80));
		i++;
		for (int j=BytePrecision(length); j; --j)
		{
			bt.Put(byte(length >> (j-1)*8));
			i++;
		}
	}
	return i;
}

bool BERLengthDecode(BufferedTransformation &bt, lword &length, bool &definiteLength)
{