%0 Journal Article %T Cryptography Based E-Commerce Security: A Review %A Shazia Yasin %A Khalid Haseeb %A Rashid Jalal Qureshi %J International Journal of Computer Science Issues %D 2012 %I IJCSI Press %X E-commerce is a powerful tool for business transformation that allows companies to enhance their supply-chain operation, reach new markets, and improve services for customers as well as for providers. Implementing the E-commerce applications that provide these benefits may be impossible without a coherent, consistent approach to E-commerce security. E-commerce has presented a new way of doing transactions all over the world using internet. Organizations have changed their way of doing business from a traditional approach to embrace E-commerce processes. As individuals and businesses increase information sharing, a concern regarding the exchange of money securely and conveniently over the internet increases. Security is a necessity in an E-commerce transaction. The purpose of this paper is to explain the importance of E-commerce security and will discuss pretty good privacy, secure E-commerce protocol, public key infrastructure, digital signature and certificate based cryptography techniques in E-commerce security. %K Trusted Third Party %K Pretty Good Privacy %K Public Key Infrastructure %K Certificate Authority %K Digital Signature %K Secure Socket layer %K Secure Electronic Transaction %K Secure E-commerce Protocol. %K IJCSI %U http://www.ijcsi.org/papers/IJCSI-9-2-1-132-137.pdf