You are in the: Small Business Computing Channelarrow View Sites +
Small Business Technology
» ECommerce-Guide | Small Business Computing | Webopedia | WinPlanet |  »Close
Enter a word for a definition... ...or choose a computer category.

   Term of the Day
   New Terms
   New Links
   Quick Reference
   Did You Know?
   Tech Support
   Webopedia Jobs
   About Us
   Link to Us

talk to us
   Submit a URL
   Suggest a Term
   Report an Error
Internet Lists
Internet News
Internet Resources
Linux/Open Source
Personal Technology
Small Business
Windows Technology
xSP Resources
Corporate Info
Tech Jobs
E-mail Offers
  Be a Commerce Partner

Last modified: Wednesday, October 31, 2001 

Short for public key infrastructure, a system of digital certificates, Certificate Authorities, and other registration authorities that verify and authenticate the validity of each party involved in an Internet transaction. PKIs are currently evolving and there is no single PKI nor even a single agreed-upon standard for setting up a PKI. However, nearly everyone agrees that reliable PKIs are necessary before electronic commerce can become widespread.

A PKI is also called a trust hierarchy.

E-mail this definition to a colleague

Sponsored listings

Symantec: Virus Security and Removal - Symantec Enterprise Security Tools quickly contain security threats. Complete virus protection, removal and prevention with Symantec.

Secure IM Management - Experience comprehensive IM management and security. Prevent IM worms and viruses. InfoWorld 2005 Technology of the Year Award Winner. Free trial.

VeriSign: SSL Certificates - Protect your site with the strongest security possible and it will help increase customers' trust in your e-business. Learn more about VeriSign SSL.

For pages about PKI . Also check out the following links!

Related Links

IETF Public Key Infrastructure Working Group Charter
Describes the IETF public key infrastructure (X.509) working group and includes contact and mailing list information and links to Internet draft documents.

NIST public key infrastructure program page
National Institute of Standards and Technology's page on public key infrastructure. It contains links to their PKI activities, specifications, presentations, and documents.

X/Open's public key infrastructure page
This page highlights X/Open's involvement in the effort to define a common architecture for a public key infrastructure. Included on this page are links to working drafts, documents, statements and contact information.

Sponsored listings

MerchantWarehouse: PayFlow Link - Offers merchant accounts, credit card readers, and POS hardware and software including VeriSign Payflow Link and Payflow Pro software.

KnowledgeStorm: Public Key Infrastructure (PKI) Services - Business technology search site offering software, service, reseller and hardware information on thousands of IT solutions.

related categories


related terms

certification authority

electronic commerce



Give Us Your

PKI Products
Compare Products,Prices and Stores

Shop by Category:
23 Model Matches

7 Store Offers

8 Model Matches

JupiterWeb networks:

Search JupiterWeb:

Jupitermedia Corporation has three divisions:
Jupiterimages, JupiterWeb and JupiterResearch

Legal Notices, Licensing, Reprints, & Permissions, Privacy Policy.

Jupitermedia Corporate Info | Newsletters | Tech Jobs | Shopping | E-mail Offers