Landon Noll looking up Fremont Peak Observatory 0.8m telescope Leonid 2001 meteor squall count at Fremont Peak

Primes, Number Theory, Cryptography, Mathematics

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Prime numbers, Mersenne Primes, Perfect Numbers

Number Theory and Name of Numbers


  • The many demands on Cryptographic hash functions
  • LavaRand - Seeding a pseudo-random number generator with the cryptographic hash of a digitization of a chaotic system
  • ``NLC''. The Noll Lighting Cypher that turns SHA-1 (one way hash used by the Digital Standard) into a block cypher.
  • ``sha(1), sha1(1), optimized cryptographic hash tools with multi-phase, prefix, inode and other enhancements by Landon Curt Noll. A source tarball as well as a directory are available. This code made it into BSDI's BSD/OS source distribution.
  • ``Partial Key Escrow,'' Adi Shamir and Landon Curt Noll; a web page proposal for a more civil liberty friendly key escrow system.

Additional material

  • Other mathematics may be found in my prime number pages
  • Still other mathematics may be found in my papers & publications  
  • The C-style arbitrary precision calculator known as calc has additional material.

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© 1994-2013 Landon Curt Noll
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