Privacy Software: Pretty Good Privacy, Gnu Privacy Guard, Metadata Removal Tool, Winrap, Netpgp Books LLC

ISBN: 9781156861967

Published: May 25th 2010

Paperback

34 pages


Description

Privacy Software: Pretty Good Privacy, Gnu Privacy Guard, Metadata Removal Tool, Winrap, Netpgp  by  Books LLC

Privacy Software: Pretty Good Privacy, Gnu Privacy Guard, Metadata Removal Tool, Winrap, Netpgp by Books LLC
May 25th 2010 | Paperback | PDF, EPUB, FB2, DjVu, talking book, mp3, ZIP | 34 pages | ISBN: 9781156861967 | 5.23 Mb

Chapters: Pretty Good Privacy, Gnu Privacy Guard, Metadata Removal Tool, Winrap, Netpgp. Source: Wikipedia. Pages: 33. Not illustrated. Free updates online. Purchase includes a free trial membership in the publishers book club where you can selectMoreChapters: Pretty Good Privacy, Gnu Privacy Guard, Metadata Removal Tool, Winrap, Netpgp. Source: Wikipedia. Pages: 33. Not illustrated. Free updates online. Purchase includes a free trial membership in the publishers book club where you can select from more than a million books without charge.

Excerpt: Pretty Good Privacy (PGP) is a computer program that provides cryptographic privacy and authentication. PGP is often used for signing, encrypting and decrypting e-mails to increase the security of e-mail communications. It was created by Philip Zimmermann in 1991.

PGP and similar products follow the OpenPGP standard (RFC 4880) for encrypting and decrypting data. PGP encryption uses a serial combination of hashing, data compression, symmetric-key cryptography, and, finally, public-key cryptography- each step uses one of several supported algorithms.

Each public key is bound to a user name and/or an e-mail address. The first version of this system was generally known as a web of trust to contrast with the X.509 system which uses a hierarchical approach based on certificate authority and which was added to PGP implementations later. Current versions of PGP encryption include both options through an automated key management server. As PGP evolves, PGP systems that support newer features and algorithms are able to create encrypted messages that older PGP systems cannot decrypt, even with a valid private key.

Thus, it is essential that partners in PGP communication understand each others PGP capabilities or at least agree on PGP settings. PGP supports message authentication and integrity checking. The latter is used to detect whether a message has been altered since it was completed (the message integrity property), and the former to determine whether it was actually sent by the person/entity claimed to be the sender (a digital signature). In PGP, these are used by default in conjunction with encryption, but can be applied to plain...More: http: //booksllc.net/?id=2308



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