public byte[] Encrypt(byte[] data, int offset, int count, dcryptCompressionOptions compression = dcryptCompressionOptions.NoCompress)
{
//compression?
if (compression == dcryptCompressionOptions.Compress)
{
data = Compress(data);
count = data.Length;
offset = 0;
}
var newdata = new byte[count + 1];
//start in here.
var p = new byte[1];
rng.GetBytes(p);
var randchr = p[0];
var chr = key[randchr][randchr];
for (var i = offset; i < count; i++)
{
chr = key[chr][data[i]];
Buffer.BlockCopy(new[] { chr }, 0, newdata, i, 1);
}
//append first byte to end.
Buffer.BlockCopy(new[] { randchr }, 0, newdata, newdata.Length - 1, 1);
return(newdata);
}
public byte[] Encrypt(byte[] data, dcryptCompressionOptions compression)
{
return(Encrypt(data, 0, data.Length, compression));
}
