
This prevents the first peer after the gateway from looking at the encrypted data received and seeing "hey, none of the checksum blocks match the payload, they must be the gateway".
$Id$ the i2p/router/ module is the root of the I2P router, and everything within it is released according to the terms of the I2P license policy. That means everything contained within the i2p/router module is released into the public domain unless otherwise marked. Alternate licenses that may be used include BSD, Cryptix, and MIT.