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iOS---KeyChain

Source: Internet
Author: User
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The iOS system maintains a keychain, each of which can record data inside, and can only read the data that its application records in keychain.

The Security.framework framework in iOS provides a way to manipulate keychain.

Query Osstatus secitemcopymatching (cfdictionaryref query, Cftyperef *result);

Add Osstatus secitemadd (cfdictionaryref attributes, Cftyperef *result);

Update the item in Keychain osstatus secitemupdata (cfdictionary query, Cfdictionaryref attributestoupdate);

Delete the item osstatus secitemdelete (cfdictionary query) in keychain;

iOS---KeyChain

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