2014/10/15 下午 10:15:59

iphone Programming Glossary: withkey

AES Encryption for an NSString on the iPhone

http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone

two methods that wrap the functionality you need in forward and reverse... NSData encryptString NSString plaintext withKey NSString key return plaintext dataUsingEncoding NSUTF8StringEncoding AES256EncryptWithKey key NSString decryptData NSData.. plaintext dataUsingEncoding NSUTF8StringEncoding AES256EncryptWithKey key NSString decryptData NSData ciphertext withKey NSString key return NSString alloc initWithData ciphertext AES256DecryptWithKey key encoding NSUTF8StringEncoding autorelease..

Encrypted NSData to NSString in obj-c?

http://stackoverflow.com/questions/1417893/encrypted-nsdata-to-nsstring-in-obj-c

two parts together and performing them in reverse on the way out. From my previous answer you can modify encryptString withKey to perform the last step and return a string and change decryptData withKey to be decryptString withKey and accept two strings...

calling [myString release] does NOT decrement [myString retainCount]

http://stackoverflow.com/questions/3213647/calling-mystring-release-does-not-decrement-mystring-retaincount

retain count to 0. void save NSLog @ synopsis before save retainCount d synopsis retainCount self saveToDb synopsis withKey @ synopsis NSLog @ synopsis after save retainCount d synopsis retainCount synopsis release NSLog @ synopsis after release..