2014/10/15 下午 10:04:59

iphone Programming Glossary: cftyperef

Iphone - How to encrypt NSData with public key and decrypt with private key?

http://stackoverflow.com/questions/10072124/iphone-how-to-encrypt-nsdata-with-public-key-and-decrypt-with-private-key

forKey __bridge id kSecReturnRef Get the key. sanityCheck SecItemCopyMatching __bridge CFDictionaryRef queryPublicKey CFTypeRef publicKeyReference if sanityCheck noErr publicKeyReference NULL queryPublicKey release else publicKeyReference publicKey.. forKey __bridge id kSecReturnRef Get the key. resultCode SecItemCopyMatching __bridge CFDictionaryRef queryPrivateKey CFTypeRef privateKeyReference NSLog @ getPrivateKey result code ld resultCode if resultCode noErr privateKeyReference NULL queryPrivateKey..

RSA implementations in Objective C

http://stackoverflow.com/questions/10222524/rsa-implementations-in-objective-c

Obtaining Specific ABSource from ABAddressBook in iOS 4+

http://stackoverflow.com/questions/4679641/obtaining-specific-absource-from-abaddressbook-in-ios-4

resultSource NULL for CFIndex i 0 i sourceCount i ABRecordRef currentSource CFArrayGetValueAtIndex sources i CFTypeRef sourceType ABRecordCopyValue currentSource kABSourceTypeProperty BOOL isMatch mySourceType NSNumber sourceType intValue..

Storing In App Purchase receipts in the application Keychain

http://stackoverflow.com/questions/4978852/storing-in-app-purchase-receipts-in-the-application-keychain

id kCFBooleanTrue forKey id kSecReturnData NSData upgradeItemData nil SecItemCopyMatching CFDictionaryRef query CFTypeRef upgradeItemData if upgradeItemData Disable feature else NSString s NSString alloc initWithData upgradeItemData encoding..

SFHFKeychainUtils. iOS keychain. ARC compatible

http://stackoverflow.com/questions/7663443/sfhfkeychainutils-ios-keychain-arc-compatible

forKey __bridge id kSecReturnAttributes OSStatus status SecItemCopyMatching CFDictionaryRef attributeQuery CFTypeRef attributeResult I tried OSStatus status SecItemCopyMatching __bridge CFDictionaryRef attributeQuery CFTypeRef attributeResult.. CFTypeRef attributeResult I tried OSStatus status SecItemCopyMatching __bridge CFDictionaryRef attributeQuery CFTypeRef attributeResult also CFTypeRef subAttributeResult CFTypeRef objc_unretainedPointer attributeResult OSStatus status SecItemCopyMatching.. I tried OSStatus status SecItemCopyMatching __bridge CFDictionaryRef attributeQuery CFTypeRef attributeResult also CFTypeRef subAttributeResult CFTypeRef objc_unretainedPointer attributeResult OSStatus status SecItemCopyMatching __bridge CFDictionaryRef..

iPhone fetch data dictionary from keychain

http://stackoverflow.com/questions/7827730/iphone-fetch-data-dictionary-from-keychain

with the SecItemCopyMatching. The error I am getting says Cast of an indirect pointer to an Objective C pointer to 'CFTypeRef ' aka 'const void ' is disallowed with ARC. I've been looking all over google apple docs and a bunch of other crap and can't.. outDictionary nil OSStatus status SecItemCopyMatching __bridge_retained CFDictionaryRef genericPasswordQuery CFTypeRef outDictionary if DEBUG printf FETCH s n self fetchStatus status UTF8String if status errSecItemNotFound return NULL return.. CFDictionaryRef genericPasswordQuery 2 CFDictionaryRef cfresult NULL 3 OSStatus status SecItemCopyMatching cfquery CFTypeRef cfresult 4 CFRelease cfquery 5 NSDictionary result __bridge_transfer NSDictionary cfresult Couple of remarks In line 1 we..

How do I verify reference count in ARC mode?

http://stackoverflow.com/questions/8863269/how-do-i-verify-reference-count-in-arc-mode

can use CFGetRetainCount with Objective C objects even under ARC NSLog @ Retain count is ld CFGetRetainCount __bridge CFTypeRef myObject This is not particularly useful for debugging though for reasons amply described elsewhere . If you need to understand.. in main NSNumber n0 NSNumber alloc initWithInt 0 NSLog @ 0 reference count ld CFGetRetainCount __bridge CFTypeRef n0 Prints 2 in my test So NSNumber likely caches or at least reuses some instances. But not others n0 NSNumber alloc initWithInt.. instances. But not others n0 NSNumber alloc initWithInt 200 NSLog @ n0 reference count ld CFGetRetainCount __bridge CFTypeRef n0 Prints 1 I am the sole owner of this instance. There could be weak or unretained references to it but no other strong..