Efficient implementation of the OSI transport protocol checksum algorithm using 8/16-bit arithmetic
- 1 July 1987
- journal article
- Published by Association for Computing Machinery (ACM) in ACM SIGCOMM Computer Communication Review
- Vol. 17 (3) , 13-20
- https://doi.org/10.1145/36727.36730
Abstract
The checksum algorithm recommended in the OSI transport-protocol specfications is an arithemetic checksum algorithm which makes heavy use of base-255 addition. In this technical note, an efficient implementation of the recommended checksum algorithm is derived, using 8-bit unsigned addition as the base for an inexpensive modulo-255 addition.Keywords
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