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PGP stands for "Pretty Good Privacy" and is an encryption standard created by Phil Zimmerman and first released in 1991. The protocol is used by Web browsers and email programs to encrypt data before transmission over networks. The recipient uses a private key to decrypt the data and to verify the digital signature of the sender. PGP can also be used to encrypt stored data. Originally offered as a freeware program, PGP has evolved into both commercial and open source versions.
An alternative encryption technology is Secure Sockets Layer (SSL), a protocol developed for TCP/IP transmissions. Each SSL Certificate is created for a particular Web server in a specific domain for a verified business entity. Like a passport or a driver’s license, an SSL Certificate is issued by a trusted authority. Digital IDs based on SSL can be installed within email programs and Web servers to encrypt email communications between individuals.
VeriSign is the world’s leading Certificate Authority, securing more than one million Web sites. Our authentication and verification procedures are based on years of practice, authenticating more than half a million commercial businesses. We offer SSL Certificates and Digital IDs.
| Secure Site Pro with EV | Give your customers the confidence to make their purchases online with the most trusted and secure option for SSL: VeriSign Secure Site Pro with EV SSL Certificates. Extended Validation triggers the display of the green address bar in the latest high-security browsers, and True 128-bit SSL Certificates enable every site visitor to experience the strongest SSL encryption available to them. |
| Secure Site with EV | Give your customers the confidence to make their purchases online with VeriSign Secure Site with EV SSL Certificates. Extended Validation triggers the display of the green address bar in high-security browsers. |
| Secure Site Pro SSL Certificates | Transmit confidential data with the strongest possible SSL protection. Offer 128- or 256-bit SSL encryption to the most site visitors. |
| Secure Site SSL Certificates | Transmit confidential data using a certificate backed by the industry's most rigorous authentication methodology and our intelligent infrastructure. |
| VeriSign Secured Seal | Available in 13 languages, the VeriSign Secured Seal is the most recognized trust mark on the Internet. |
| Digital IDs for Secure Email | Installed in your Web browser or email software, a Digital ID digitally signs and encrypts emails and attachments. |
