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Leopard Guides: Cocoa
Mac OS X provides a number of authorization, authentication, and cryptographic services that developers can use to build security into their applications. These interfaces include an Objective-C API that provides authorization services and user interfaces for managing authorization, certificates, and keychains, plus several C APIs that can be called from Cocoa applications to provide lower-level security and secure networking services.
View all Security Guides.
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CFNetwork Programming Guide (HTML) (PDF)
Explains how to use Core Foundation networking functions to work with low-level BSD sockets.
 2009-05-06
Keychain Services Programming Guide (HTML) (PDF)
This document explains how to use Keychain Services to store and retrieve passwords.
 2009-03-12
Authorization Services Programming Guide (HTML) (PDF)
Explains how to add fine-grained control of privileged operations in an application.
 2009-01-06
Certificate, Key, and Trust Services Programming Guide (HTML) (PDF)
Shows how to evaluate trust for a certificate and recover from a trust failure.
 2008-11-19
Code Signing Guide (HTML) (PDF)
Explains how you can sign your code and why you should.
 2008-11-19
Security Overview (HTML) (PDF)
An introduction to computer security concepts and the security APIs in Mac OS X and iPhone OS.
 2008-10-15
Secure Coding Guide (HTML) (PDF)
Describes techniques to use and factors to consider to make your code more secure from attack.
 2008-05-23