Implementing Authentication with PHP and MySQL CHAPTER 14 325 The documentation for mod_auth_mysql can be found at or Next The next chapter explains how to safeguard data at all stages of processing from input, through transmission, and in storage. It includes the use of SSL, digital certificates, and encryption. 14 IMPLEMENTING AUTHENTICATION Implementing Secure Transactions with PHP and MySQL CHAPTER 15 328 E-commerce and Security PART III In this chapter, we will explain how to deal with user data securely from input, through transmission, and in storage. This will allow us to implement a transaction between us and a user securely from end to end. Topics include • Providing secure transactions • Using. | Implementing Authentication with PHP and MySQL Chapter 14 325 The documentation for mod_auth_mysql can be found at http or http docs Next The next chapter explains how to safeguard data at all stages of processing from input through transmission and in storage. It includes the use of SSL digital certificates and encryption. 14 Implementing Authentication Implementing Secure Transactions with PHP and MySQL CHAPTER .