OverTheWire - Krypton - Level 0

Description:

Level Info:

Welcome to Krypton! The first level is easy. The following string encodes the password using Base64:

S1JZUFRPTklTR1JFQVQ=

Use this password to log in to krypton.labs.overthewire.org with username krypton1 using SSH. You can the files for other levels in /krypton/

Solution:

1. [Comment] Use base64 to decode the ciphertext
2. After decode the cipertext, you will get the password.
   

   Reference: http://www.base64decode.org/
   S1JZUFRPTklTR1JFQVQ=  >>  KRYPTONISGREAT

3. [Comment] Log into the game using SSH,  the host is krypton.labs.overthewire.org. 
4. [Comment] The username is krypton1 and the password is KRYPTONISGREAT. 
5. sp@simple-plan:~|=> ssh krypton1@krypton.labs.overthewire.org
   ...
   krypton1@krypton.labs.overthewire.org's password: KRYPTONISGREAT
6. [Comment] Using cd command to change the shell working directory
7. krypton1@melinda:~$ cd /krypton
8. [Comment] Using ls command to list directory contents
9. krypton1@melinda:/krypton$ ls
10. krypton1  krypton2  krypton3  krypton4  krypton5  krypton6
11. [Comment] It's done! Let's go to the next level!