RSAEncryptor both certificate and string are able to used as key
CocoaPods is a dependency manager for Objective-C, which automates and simplifies the process of using 3rd-party libraries like RSAEncryptor in your projects. See the "Getting Started" guide for more information.
# Your Podfile
platform :ios, '6.0'
pod 'RSAEncryptor'Copy RSAEncryptor.h RSAEncryptor.m in RSAEncryptor/ to your project.