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Leopard Sample Code: Security
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 Cocoa Sample Code.
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BetterAuthorizationSample (HTML) (DMG) (ZIP)
Shows the recommended way to access privileged functionality from a non-privileged application on Mac OS X.
 2007-11-27
CryptoSample (HTML) (DMG) (ZIP)
Contains sample code showing symmetric encryption and message digest calculation.
 2003-02-06
GetMACAddressSample (HTML) (DMG) (ZIP)
Demonstrates how to retrieve the MAC address for each Ethernet interface from the Mac OS X I/O Registry.
 2003-01-14
GetPrimaryMACAddress (HTML) (DMG) (ZIP)
Demonstrates retrieving the MAC address of the built-in Ethernet controller. Useful for uniquely identifying a Macintosh system.
 2005-10-27
SSLSample (HTML) (DMG) (ZIP)
Contains examples showing how to use SecureTransport.
 2003-01-14