AES加密在iPhone上面的实现，提供较完整的加密解密接口，可以十分方便地实现AES加密-AES encryption in the iPhone implementation of the above, provide a more complete interface to encryption and decryption can be very easy to implement AES encryption

iOS端加密解密实例，包括AES,RSA等(encry for iOS ,the test is write by object-c)