@class NSData; @interface MKCrypto : NSObject @property (copy, nonatomic) NSData *key; - (void).cxx_destruct; - (id)encryptData:(id)a0; - (id)initWithKey:(id)a0; - (id)decryptData:(id)a0; - (id)bytes:(unsigned long long)a0; - (id)encrypt:(BOOL)a0 data:(id)a1 withKey:(id)a2 iv:(id)a3; @end