From: Subject: Online File W4.10 Date: Mon, 28 May 2007 08:25:00 +0430 MIME-Version: 1.0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Location: http://higheredbcs.wiley.com/legacy/college/turban/0471705225/web/online/ch04/w4_10.html X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 Online File W4.10

Online File W4.10=20

PAYMENT PROTOCOLS=20

A protocol is a set of rules and procedures that governs the = transfer of=20 information on the Internet. It is the software that also helps in=20 authentication, security, and privacy. Two major payment protocols are = used in=20 e-commerce: SSL and SET.

SECURE SOCKET LAYER (SSL). The = SSL is=20 the most common protocol used in EC. Its main capability is to encrypt = messages.=20 For example, any time you order merchandise from Wal-Mart, Amazon.com, = and most=20 other large vendors on the Internet, your order is encrypted = automatically by=20 the SSL in your computer browser before being sent over the Internet. = For=20 details see openssl.org. For SSL certificates see whichssl.org. A free = SSL=20 security guide is available from versign.com/products/site. For a demo = see=20 ssl.com.

SECURE ELECTRONIC TRANSACTION (SET) = PROTOCOL. A=20 more comprehensive protocol designed for credit card processing is SET. = It is=20 not used much due to its cost and complexity. However, it is designed to = allow=20 consumers to shop anywhere as conveniently and securely as possible by=20 incorporating digital signatures, certification, encryption, and an = agreed-upon=20 payment gateway (to banks). While SSL protects only integrity and = safety, SET=20 can provide protection against all security hazards. For details see=20 setco.org, visa.com, and w3.org. =