/**
* Return the number of bytes or characters required to contain the
* passed in object if it is PEM encoded.
*
* @param obj pem object to be output
* @return an estimate of the number of bytes
*/
public int GetOutputSize(PemObject obj)
{
// BEGIN and END boundaries.
int size = (2 * (obj.Type.Length + 10 + nlLength)) + 6 + 4;
if (obj.Headers.Count > 0)
{
foreach (PemHeader header in obj.Headers)
{
size += header.Name.Length + ": ".Length + header.Value.Length + nlLength;
}
size += nlLength;
}
// base64 encoding
int dataLen = ((obj.Content.Length + 2) / 3) * 4;
size += dataLen + (((dataLen + LineLength - 1) / LineLength) * nlLength);
return size;
}