How do I base64 encode (decode) in C? - Stack Overflow
15 answersNov 10, 2011 - At this point, I have not limited myself to C algorithms - if one implementation /*Here's one way to base64 encode/decode using the base64encode() and Converting file into Base64String and back again2 answersJun 17, 2017Conversion from byte array to base64 and back1 answerJul 24, 2012An efficient way to Base64 encode a byte array?7 answersNov 17, 2014Byte arrays to base64 string2 answersOct 8, 2016More results from stackoverflow.com
Base64 Encode and Decode in C - John's Blog
Nov 18, 2017 - To get the number of base64 characters needed for a given binary data blob, take the length of input and round up to the nearest multiple of 3. Then, divide by 3 to get the number of 3 byte blocks. Multiply by 4 to get the number of base64 characters.
Convert.ToBase64String Method (System) | Microsoft Docs
ToBase64String(Byte, Int32, Int32). Converts a subset of an array of 8-bit unsigned integers to its equivalent string representation that is encoded with base-64