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I would like to know how to effectively store the access token, refresh tokens and their expirations in the iOS keychain.

All the examples I have seen seem to store only one key-value combination. How do we store multiple key values for one keychain identifier?

If there is a better way to store the above, please let me know.

Christopher Bottoms
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cableload
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1 Answers1

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You will first want to build a NSDictionary with the key/values you want. Next, you could use something like Lockbox to store that NSDictionary to the keychain, using the provided setDictionary:forKey: interface.

UPDATE: To change values stored in that dictionary, you only have to pass by a NSMutableDictionary (that's the common way of doing): 

NSMutableDictionary *mutableDict = [[LockBox dictionaryForKey:@"YourRefreshTokenDictionaryKey"] mutableCopy];
mutableDict[@"access_token"] = @"NewAccessToken";
[LockBox setDictionary:mutableDict forKey:@"YourRefreshTokenDictionaryKey"];

FYI, a NSMutableDictionary is a subclass of NSDictionary, so it's safe to save that back directly to the keychain!

Rufel
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