This table describes the changes to Certificate, Key, and Trust Services Reference.
| Date | Notes | 
|---|---|
| 2008-11-19 | Updated to Mac OS X v 10.5. | 
Trust settings functions and constants are new to this revision.  | |
| 2008-06-25 | Added constants and functions to sign documents, evaluate signatures, encrypt and decrypt data, return information about certificates, and import identities. | 
| 2005-03-03 | Corrected the parameter list and description of SecKeyCreatePair. | 
| Corrected the parameter list and description of SecKeyCreatePair. | |
| 2004-05-27 | Moved trusted applications functions to Keychain Services Reference.  | 
| 2004-04-29 | Corrected and expanded descriptions of functions.  | 
Added appendix listing AppleX509TP trust policies.  | |
| 2003-05-15 | Preliminary version of this document.  | 
© 2003, 2008 Apple Inc. All Rights Reserved. (Last updated: 2008-11-19)