Base64 Encode and Decode in C
Introduction A very popular way to encode binary data is Base64. The basis of this is an encoding table. As you might expect, there are 64 total characters that go into the tale. There are multiple implementations of base64 with slight differences. They are all the same except for the last two characters and line ending requirements. The first 62 characters are always “ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789”. PEM and MIME encoding are the most common and use “+/” as the last two characters....