public char[] Encode()
{
int i;
byte[] sourceBuffer;
if (length != length2)
{
sourceBuffer = new byte[length2];
for (i = 0; i < length2; i++)
{
if (i < length)
{
sourceBuffer[i] = source[i];
}
else
{
sourceBuffer[i] = 0;
}
}
}
else
{
sourceBuffer = source;
}
byte b1, b2, b3;
byte temp, temp1, temp2, temp3, temp4;
char[] result = new char[blockCount * 4];
for (i = 0; i < blockCount; i++)
{
b1 = sourceBuffer[i * 3];
b2 = sourceBuffer[i * 3 + 1];
b3 = sourceBuffer[i * 3 + 2];
temp1 = (byte)((b1 & 252) >> 2);
temp = (byte)((b1 & 3) << 4);
temp2 = (byte)((b2 & 240) >> 4);
temp2 += temp;
temp = (byte)((b2 & 15) << 2);
temp3 = (byte)((b3 & 192) >> 6);
temp3 += temp;
temp4 = (byte)(b3 & 63);
result[i * 4] = Base64Encoding.SixbitToChar(temp1);
result[i * 4 + 1] = Base64Encoding.SixbitToChar(temp2);
result[i * 4 + 2] = Base64Encoding.SixbitToChar(temp3);
result[i * 4 + 3] = Base64Encoding.SixbitToChar(temp4);
}
//covert last "A"s to "=", based on paddingCount
switch (paddingCount)
{
case 0:
break;
case 1:
result[blockCount * 4 - 1] = '=';
break;
case 2:
result[blockCount * 4 - 1] = '=';
result[blockCount * 4 - 2] = '=';
break;
default:
break;
}
return(result);
}
