Base64 Encoding & Decoding in GoLang

Encoding and decoding refer to the process of putting a sequence of characters into a specialized format for efficient transmission or storage. In computers, encoding is the process of putting a sequence of characters into a specialized format for efficient transmission or storage [google].  Keep in mind that Encoding/Decoding is not encryption/decryption.

All Linux/Mac operating system comes with binary "base64" by default where MS-Windows does not provide the functionality by default in "Command Prompt" but in "Powershell".  For using "base64" command in Command prompt, you have to install either this utility or "openssl". 

Golang also provides encoding/base64 package to achieve the same. It implements base64 encoding as specified by RFC 4648. 

Output:

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