Download Encrypted email : the history and technology of message by Hilarie Orman PDF

By Hilarie Orman

This SpringerBrief examines the expertise of e mail privateness encryption from its origins to its theoretical and useful info. It explains the demanding situations in standardization, usability, and belief that intrude with the person event for software program safety. Chapters handle the origins of electronic mail encryption and why electronic mail encryption is never used regardless of the myriad of its advantages -- merits that can not be got in the other manner. the development of a safe message and its entwining with public key know-how are coated. different chapters deal with either self reliant criteria for safe e mail and the way they paintings. the ultimate chapters comprise a dialogue of having all started with encrypted e-mail and the way to reside with it.

Written by means of a professional in software program protection and laptop instruments, Encrypted e mail: The background and know-how of Message privateness is designed for researchers and execs operating in e mail safeguard and encryption. Advanced-level scholars attracted to protection and networks also will locate the content material valuable.

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Additional resources for Encrypted email : the history and technology of message privacy

Sample text

We can send photos, music, compressed files, complex documents, and all manner of data in email attachments, and we expect it to work without a glitch. What the PEM group faced was the fact that all email clients would soon be supporting MIME, but they were not certain that they would support PEM, especially if its format was unrelated to MIME. MIME Security Object Security Services (MOSS) In 1994 the PEM working group decided that they needed to integrate their work with a major addition to Internet email, the Multipurpose Internet Mail Extension (MIME).

Since then, many good symmetric ciphers have entered into widespread use, and no attacks of significance have surfaced. The ciphers are well-suited to email usage because they encrypt and decrypt quickly on modern computers. The AES algorithm is a US government standard, suitable for business and personal use, and it has three key sizes: 128, 192, and 256 bits. The 3DES algorithm is an interesting holdover from the Pleistocene of cryptography. It is based on an algorithm from the 1970s that has a very short key (56 bits), but by running the algorithm 3 times with 3 different keys, it is as secure as if it had a 112-bit key, Some other ciphers with acceptable, time-tested security are CAMELLIA [23], and IDEA.

They decided to work with an industry consortium instead of the IETF. PKI, PKCS, and S/MIME The whole subject of public keys, including all the representation and management utilities, comes under the umbrella term Public Key Infrastructure (PKI). 509 standard, and all the rest is covered by a group of standards that were originally called Public Key Cryptographic Standards (PKCS). They have a complicated history. Apart from the indicators in an email message to denote that the message had encrypted content, there were a number of other issues that needed to be settled before certificiate-based email protections could reach the level of being well-defined and broadly useful.

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