• Certificates, Keys, and Identities

• Certificate, Key, and Trust Services and CDSA

• Policies and Trust

• Extracting and Evaluating an Identity From a *.P12 File

• Getting and Using Persistent Keychain References

• Finding a Certificate In the Keychain

• Obtaining a Policy Object and Evaluating Trust

• Recovering From a Trust Failure

• Encrypting and Decrypting Data

• Finding a Certificate on the Keychain

• Obtaining a Policy Object

• Evaluating Trust

• Recovering From a Trust Failure