bsd
BSD checksum

Vocabulary
checksums.bsd

Class description
BSD checksum algorithm.

Definition

IN: checksums.bsd

SINGLETON: bsd

Methods

USING: checksums checksums.bsd kernel math sequences ;

M: bsd checksum-bytes
    drop 0 [
        [ [ -1 shift ] [ 1 bitand 15 shift ] bi + ] dip +
        65535 bitand
    ] reduce ;