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- Privacy-enhanced_Electronic_Mail abstract "Privacy Enhanced Mail (PEM), is a 1993 IETF proposal for securing email using public-key cryptography. Although PEM became an IETF proposed standard it was never widely deployed or used. One reason for the lack of deployment was that the PEM protocol depended on prior deployment of a hierarchical public key infrastructure (PKI) with a single root. Deployment of such a PKI proved impossible as the operational cost and legal liability of the root and 'policy' CAs became understood. In addition to being an obstacle to deployment, the single-rooted hierarchy was rejected by some commentators as an unacceptable imposition of central authority. This led Phil Zimmermann to propose the Web of Trust as the PKI infrastructure for the encryption program Pretty Good Privacy (PGP). Efforts to deploy PEM were finally abandoned in response to the need to extend the protocol to support MIME. This led to the development of the protocol MIME Object Security Services (MOSS; never widely implemented, now abandoned) and S/MIME (shares de facto standard status with PGP). This is an IETF standard, a result of a group working for a long time. The basic idea is have privacy by virtue of hierarchical authentication. A receiver trusts the message of the sender when it is accompanied by a certificate from his trusted authority. These authoratative certificates are distributed from a group called Internet Policy Registration Authority (IPRA) and Policy Certificate Authority (PCA). These trusted authority actually certifies the public key sent by senders.".
- Privacy-enhanced_Electronic_Mail wikiPageID "552878".
- Privacy-enhanced_Electronic_Mail wikiPageRevisionID "548716717".
- Privacy-enhanced_Electronic_Mail hasPhotoCollection Privacy-enhanced_Electronic_Mail.
- Privacy-enhanced_Electronic_Mail subject Category:Cryptographic_protocols.
- Privacy-enhanced_Electronic_Mail type Abstraction100002137.
- Privacy-enhanced_Electronic_Mail type Communication100033020.
- Privacy-enhanced_Electronic_Mail type CryptographicProtocols.
- Privacy-enhanced_Electronic_Mail type Direction106786629.
- Privacy-enhanced_Electronic_Mail type Message106598915.
- Privacy-enhanced_Electronic_Mail type Protocol106665108.
- Privacy-enhanced_Electronic_Mail type Rule106652242.
- Privacy-enhanced_Electronic_Mail comment "Privacy Enhanced Mail (PEM), is a 1993 IETF proposal for securing email using public-key cryptography. Although PEM became an IETF proposed standard it was never widely deployed or used. One reason for the lack of deployment was that the PEM protocol depended on prior deployment of a hierarchical public key infrastructure (PKI) with a single root. Deployment of such a PKI proved impossible as the operational cost and legal liability of the root and 'policy' CAs became understood.".
- Privacy-enhanced_Electronic_Mail label "PEM (cryptografie)".
- Privacy-enhanced_Electronic_Mail label "Privacy Enhanced Mail".
- Privacy-enhanced_Electronic_Mail label "Privacy-enhanced Electronic Mail".
- Privacy-enhanced_Electronic_Mail sameAs Privacy_Enhanced_Mail.
- Privacy-enhanced_Electronic_Mail sameAs PEM_(cryptografie).
- Privacy-enhanced_Electronic_Mail sameAs m.02p7yf.
- Privacy-enhanced_Electronic_Mail sameAs Q1840684.
- Privacy-enhanced_Electronic_Mail sameAs Q1840684.
- Privacy-enhanced_Electronic_Mail sameAs Privacy-enhanced_Electronic_Mail.
- Privacy-enhanced_Electronic_Mail wasDerivedFrom Privacy-enhanced_Electronic_Mail?oldid=548716717.
- Privacy-enhanced_Electronic_Mail isPrimaryTopicOf Privacy-enhanced_Electronic_Mail.