/*
* if the optimal asymmetric encryption padding (OAEP) parameter is true:
* ((KeySize - 384) / 8) + 7
* Without OAEP:
* ((KeySize - 384) / 8) + 37
* Taken from http://stackoverflow.com/questions/1496793/rsa-encryption-getting-bad-length
*/
public int GetMaxBytesThatCanBeEncrypted(RsaKey key)
{
var keySize = key.GetKeySize();
if (key.UseOaepPadding)
{
return(((keySize - 384) / 8) + 7);
}
else
{
return(((keySize - 384) / 8) + 37);
}
}