Exam 8: Electronic Mail Security

To enhance security an encrypted message is not accompanied by an encrypted form of the session key that was used for message encryption.

__________ is an Internet standard approach to e-mail security that incorporates the same functionality as PGP

For the text type of body no special software is required to get the full meaning of the text aside from support of the indicated character set.

The key legitimacy field, the signature trust field and the owner trust field are each contained in a structure referred to as a ___________ .

The objective of MIME Transfer Encodings is to provide reliable delivery across the largest range of environments.

S/MIME cryptographic algorithms use __________ to specify requirement level

PGP incorporates tools for developing public-key certificate management and a public-key trust model.

PGP provides e-mail compatibility using the __________ encoding scheme

___________ is an open-source, freely available software package for e-mail security.

The _________ type refers to other kinds of data, typically either uninterpreted binary data or information to be processed by a mail-based application.

E-banking, personal banking, e-commerce server, software validation and membership-based online services all fall into the VeriSign Digital ID _________

__________ is a security enhancement to the MIME Internet e-mail format standard based on technology from RSA Data Security.

The _________ accepts the message submitted by a Message User Agent and enforces the policies of the hosting domain and the requirements of Internet standards

For the __________ subtype the order of the parts is not significant

S/MIME provides the following functions: enveloped data, signed data, clear signed data, and ________ .

E-mail is the most common distributed application that is widely used across all architectures and vendor platforms.

The ________ MIME field is a text description of the object with the body which is useful when the object is not readable as in the case of audio data

The _________ transfer encoding, also known as radix-64 encoding, is a common one for encoding arbitrary binary data in such a way as to be invulnerable to the processing by mail-transport programs.

The _________ transfer encoding is useful when the data consists largely of octets that correspond to printable ASCII characters.

Key IDs are critical to the operation of PGP and __________ key IDs are included in any PGP message that provides both confidentiality and authentication