Here is a set of methods that allows you to base64 encode NSData instance into NSString. And decode NSString to NSData respectively..ea8689d41c6fe8b6c15072af32c98280_000000....Here is a set of methods that allows you to base64 encode NSData instance into NSString. And decode NSString to NSData respectively. static const char _base64EncodingTable[64] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrs