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2014/10/15 ¤U¤È 10:10:41

iphone Programming Glossary: ivdata

How to decrypt a file in Objective C/IOS that is encrypted in php?

http://stackoverflow.com/questions/10078026/how-to-decrypt-a-file-in-objective-c-ios-that-is-encrypted-in-php

class NSParameterAssert iv nil iv isKindOfClass NSData class iv isKindOfClass NSString class NSMutableData keyData ivData if key isKindOfClass NSData class keyData NSMutableData key mutableCopy else keyData key dataUsingEncoding NSUTF8StringEncoding.. key mutableCopy else keyData key dataUsingEncoding NSUTF8StringEncoding mutableCopy if iv isKindOfClass NSString class ivData iv dataUsingEncoding NSUTF8StringEncoding mutableCopy else ivData NSMutableData iv mutableCopy data or nil keyData autorelease.. mutableCopy if iv isKindOfClass NSString class ivData iv dataUsingEncoding NSUTF8StringEncoding mutableCopy else ivData NSMutableData iv mutableCopy data or nil keyData autorelease ivData autorelease ensure correct lengths for key and iv data..