Its goals are both technical and political: it gives reasonably strong protection of message confidentiality, yet it's designed to be simple enough that even novice programmers can memorize the algorithm and implement it from scratch.
Its political aspect is that because it's so simple, it can be reimplemented anywhere at any time, and so it provides a way for users to communicate privately even if government or other controls make distribution of normal cryptographic software completely impossible.
So, rather than providing a ready-made tool, CipherSaber's designer hopes to help computer users understand that they're capable of making their own strong cryptography programs without having to rely on professional developers or the permission of the government.
In the original version of CipherSaber (now called CipherSaber-1 or CS1), each encrypted message begins with a random ten-byte initialization vector (IV).
To address this, the CipherSaber designer has made a modified protocol (called CipherSaber-2) in which the RC4 key setup loop is repeated multiple times (20 is recommended).