Cryptography for Secure E-mail Communication

Users share private information on the web through a variety of applications, suchas email, instant messaging, social media, and document sharing. Unfortunately, recentrevelations have shown that not only is users' data at risk from hackers and malicious insiders,but also from government surveillance. This state of affairs motivates the need for users tobe able to encrypt their online data specifically the e-mail communication. This paper shows the use of cryptographic algorithms for secure e-mail communication

Pretty Good Privacy: An e-mail Security Protocol

Security has been an issue in mail from ancient times. Security is still important today.E-mail is as fast and casual as a voice phone call, but can be save and retrieved withinfinitely greater efficiency than paper letters or taped conversations. Security in maildeals first with reliable delivery to the addressee. Security, that is confidential, reliableand known delivery is essential to the success of e-mail. In other words people will notuse a mail system that they cannot trust to deliver their messages. This paper describes the basic approaches for e-mail security and discusses the advanced email security mechanism i.e. Pretty Good Privacy (PGP