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- Path: sparky!uunet!stanford.edu!rutgers!cbmvax!dean
- From: dean@cbmvax.commodore.com (Jeff Dean - LSI Test)
- Newsgroups: comp.lsi.testing
- Subject: Re: maximum-length LFSRs
- Message-ID: <38093@cbmvax.commodore.com>
- Date: 21 Dec 92 15:05:59 GMT
- References: <20246@ksr.com>
- Distribution: comp.lsi.testing
- Organization: Commodore
- Lines: 23
-
- In article <20246@ksr.com> chuck@ksr.com (Chuck Shavit) writes:
- >I am looking for an algorithm to compute a primitive polynomial of a Linear
- >Feedback Shift Register. A primitive polynomial is a polynomial that cause
- >an n-bit LFSR to generate a sequence 2**n-1 different numbers (usually
- >there are many such polynomials for a given n; I am interested in just
- >one...).
- >Chuck Shavit
- >Kendall Square Research
- >chuck@ksr.com
-
- Chuck - why bother computing them? Find an error correcting codes text at the
- library or bookstore. They should have tables of pre-computed primitive polys
- over GF(2) for you. I have a table in my hands for degrees 2 through 28, so
- if you need one in that range let me know.
-
- jd
- --
- ==============================================================================
- | |\ /| Commodore Technology |
- | 'O O` Jeffrey Dean 1200 Wilson Drive |
- | > v < VLSI Test and Design Assurance West Chester, PA 19380 |
- | ^ dean@commodore.com |
- ==============================================================================
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