Introduction to cryptography, Part 4, Cryptography on the Internet
From the developerWorks archives
Date archived: May 14, 2019 | First published: March 01, 2001
The Internet introduces a whole new raft of vulnerabilities. Organizations or individuals with whom you're communicating may be unknown or may be masquerading as someone else. Without getting paranoid about such issues, it's necessary to take suitable precautions against loss occasioned in various ways, whether by diversion of funds, the consequences of faulty authentication, loss of confidential information, repudiation of contracts and so on. Cryptography is central to managing this new level of risk, and this feature introduces some of the protocols and related mechanisms that are of particular relevance to Internet activity, including e-mail.
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