Base64Crypto

Complete the source project methods

Help

Google

Output

The output should be as follows:

Hello -> SGVsbG8=
SGVsbG8= -> Hello
----------------------------------------
This is a test -> VGhpcyBpcyBhIHRlc3Q=
VGhpcyBpcyBhIHRlc3Q= -> This is a test
----------------------------------------
I want to encode me then decode me :D -> SSB3YW50IHRvIGVuY29kZSBtZSB0aGVuIGRlY29kZSBtZSA6RA==
SSB3YW50IHRvIGVuY29kZSBtZSB0aGVuIGRlY29kZSBtZSA6RA== -> I want to encode me then decode me :D