2014/10/15 下午 10:13:41

iphone Programming Glossary: secitemcopymatching

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

queryPublicKey setObject NSNumber numberWithBool YES forKey __bridge id kSecReturnRef Get the key. sanityCheck SecItemCopyMatching __bridge CFDictionaryRef queryPublicKey CFTypeRef publicKeyReference if sanityCheck noErr publicKeyReference NULL queryPublicKey.. queryPrivateKey setObject NSNumber numberWithBool YES forKey __bridge id kSecReturnRef Get the key. resultCode SecItemCopyMatching __bridge CFDictionaryRef queryPrivateKey CFTypeRef privateKeyReference NSLog @ getPrivateKey result code ld resultCode if..

RSA implementations in Objective C

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

Extracting a public key from key pair in key chain

http://stackoverflow.com/questions/11467215/extracting-a-public-key-from-key-pair-in-key-chain

setObject NSNumber numberWithBool YES forKey __bridge_transfer id kSecReturnData Get the key bits. sanityCheck SecItemCopyMatching __bridge_retained CFDictionaryRef queryPublicKey pk if sanityCheck noErr publicKeyBits nil publicKeyBits __bridge_transfer.. the app. Each of these keys has the same application tag making it indeterminate as to which key is returned by your SecItemCopyMatching call in getPublicKeyBits . In turns out that on current system software you're always getting back the first key so you..

Access App Identifier Prefix programmatically

http://stackoverflow.com/questions/11726672/access-app-identifier-prefix-programmatically

@ kSecAttrService id kCFBooleanTrue kSecReturnAttributes nil CFDictionaryRef result nil OSStatus status SecItemCopyMatching CFDictionaryRef query CFTypeRef result if status errSecItemNotFound status SecItemAdd CFDictionaryRef query CFTypeRef result..

Storing In App Purchase receipts in the application Keychain

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

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

Saving SecKeyRef device generated public/private key pair on disk

http://stackoverflow.com/questions/5988735/saving-seckeyref-device-generated-public-private-key-pair-on-disk

cryptography share improve this question Ah found the answer myself you can get the bytes for a public key using SecItemCopyMatching . NSData getPublicKeyBits OSStatus sanityCheck noErr NSData publicKeyBits nil NSMutableDictionary queryPublicKey NSMutableDictionary.. queryPublicKey setObject NSNumber numberWithBool YES forKey id kSecReturnData Get the key bits. sanityCheck SecItemCopyMatching CFDictionaryRef queryPublicKey CFTypeRef publicKeyBits if sanityCheck noErr publicKeyBits nil queryPublicKey release return..

SFHFKeychainUtils. iOS keychain. ARC compatible

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

query mutableCopy attributeQuery setObject id kCFBooleanTrue forKey __bridge id kSecReturnAttributes OSStatus status SecItemCopyMatching CFDictionaryRef attributeQuery CFTypeRef attributeResult I tried OSStatus status SecItemCopyMatching __bridge CFDictionaryRef.. OSStatus status SecItemCopyMatching CFDictionaryRef attributeQuery CFTypeRef attributeResult I tried OSStatus status SecItemCopyMatching __bridge CFDictionaryRef attributeQuery CFTypeRef attributeResult also CFTypeRef subAttributeResult CFTypeRef objc_unretainedPointer.. attributeResult also CFTypeRef subAttributeResult CFTypeRef objc_unretainedPointer attributeResult OSStatus status SecItemCopyMatching __bridge CFDictionaryRef attributeQuery CFTypeRef subAttributeResult These 2 being the only 2 approaches I managed to get..

iPhone fetch data dictionary from keychain

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

the implementation of the keychain file. This method is the one that returns the error specifically the line 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.. NSMutableDictionary genericPasswordQuery self buildSearchQuery NSMutableDictionary outDictionary nil OSStatus status SecItemCopyMatching __bridge_retained CFDictionaryRef genericPasswordQuery CFTypeRef outDictionary if DEBUG printf FETCH s n self fetchStatus.. cfquery __bridge_retained 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..