Pretty Good Privacy (PGP) is a system for encryption, certification of text and verification of origin. Gnu Privacy Guard (GnuPG, or GPG) is "a complete and free replacement for PGP". Here is my public key its fingerprint and signatures:
Type bits/keyID Date User ID
pub 2047/94163F3D 1996/08/18 David M. Larue <dlarue@Mines.EDU>
Key fingerprint = E4 83 F8 1E A6 C4 EE F9 2A 1C 83 6A 9B 23 A0 4C
David M. Larue <70030.225@CompuServe.com>
sig A601EB71 Jeff Custard <jcustard@mines.edu>
sig A4A9ABCD David G. Beausang <dgb@csn.org>
sig B7765721 Justin Larue <jlarue@pobox.com>
sig 94163F3D David M. Larue <dlarue@Mines.EDU>
-----BEGIN PGP PUBLIC KEY BLOCK----- Version: 2.6.2 mQENAzIXfRQAAAEH/1dqd4dnHSN+E5g2mIfJ/mKBVq3B7CYz9YfYEypwth0pTN1k NgmZPzr7bSb93CyhkAZq8GdkTqz02QCXq5X19MGxgXF+S8bJ2cYY3M2JotUgg7aY kpF7y/8iTaL3tddKZkOiyhDjDeSjSVKxtKx9aX/YkGknouOqoK90AoC3rcxVHZ+/ 7OKl1OrYF+e9h34i5XdTWkHAtZGcdj157KL5Dg6JYNLctl9f19DhhMk4y+R2MqyG N69VCQJSzBazUSQQaFuNgpFbgOCEmZ5iNBu6NZYjZXoyD01FZLFCyLktNDcrlX1z 49qRFM3P7DiwnG9ifIvd0YCCzDj7SRC3npQWPz0ABRG0IURhdmlkIE0uIExhcnVl IDxkbGFydWVATWluZXMuRURVPokAdQMFEDKY52DctzLEpgHrcQEBUW4DALgIE5Sh yY/0YMx7jUfofFLYrPG3WuRS5tz9gmIOaqrgqHuInp2ELfjTqkCkvnfNYjpbcc9b q2yDDHmgzgAdbO4VSiCNa6ojUalM8Rmi3/sj4qyx+w81BMdkRTPTPjeqSokAlQMF EDKu8Fj9Zn6opKmrzQEBxZED/3t32jdHxqemMvIHtveIOXm60dL43kgG8Ng6qXAn dMe8WKgPGxoIj5oF1LNoHAFDZnjXFneNliYzRDDZSRDzLO1pe/bMYX8Asa0TG1Kt yZ0qFgeBD+LVDDtPQmLIT/XuEsz/0zXBAlsDw//FzQssR18o8ZqCtIh5jUWUixQA gCANiQEVAwUQMheAV3e6ziO3dlchAQGdaAf/ShSZ7fa8CmUN5XPVnxGziNMEUa0t hXcpQXazHydUv08xzW2d+u+jSTFLLreUWw1IGuamlOmgiNJJyPDB/f6HTbAfIurp VEnT6a+UrnpRvqPqhrm3CdYwvzvnB86CpsfCdDLH+kbh2SEvcNxoZDWQOwumKdl4 Ajmi3nJ0aVfRosYlJC5vwBUQuO5WBEFAyjoOVAacVjrMDsz4y0vH4WBicazp8IFD 8cNAuGOx4WOnLyZVv/5MsYbHt0EOmT+evKCF3kSnV5tRkS1psDDjCaJVrgqaQ+kb tLSOBShXtQeX3VTQAdoRGGAj91OUddg0FIQ7fFcNlcyopvUKprYYZg4lnYkBFQMF EDIXfwpJELeelBY/PQEBPIsH/AhI6sqjDPS8h4bte7VVgQe+y4iGPdMswehhc2cK N7M9dKToCX+5Pvx1Gig5MPMwxK0AkiQTNea8f/O/tw0O6Stgl4Hs8J+vIK6HBYfI NEXzozkaGWVerlBkPUX77v4kpEtZ5RGNjdaKUwdYZEguSpGiHVvjTorQOVFdrE1o sbCWxTKY8p5TF5zvXyycxVdxthUAaZ8OtsnZr98fRw6GEJainMwTYKSereSZ3wk2 EVFPemkIJPrrACu5C1L/Arnx3pXY44P0FrP3gHfrCR37oMLiGOHuTzqdjp0f9Qs6 bHjDxicwLeazmFhh8v1knKwtx4wb3wtnu1l9sygI2EKYfg+0KURhdmlkIE0uIExh cnVlIDw3MDAzMC4yMjVAQ29tcHVTZXJ2ZS5jb20+ =pssV -----END PGP PUBLIC KEY BLOCK-----