OC AES 128位解密
+(NSData*)AES128operation:(CCOperation)operationdata:(NSData*)datakey:(NSString*)keyiv:(NSString*)iv{
charkeyPtr[kCCKeySizeAES128+1];//kCCKeySizeAES128是加密位数可以替换成256位的
bzero(keyPtr,sizeof(keyPtr));
[keygetCString:keyPtrmaxLength:sizeof(keyPtr)encoding:NSUTF8StringEncod
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