Password Encryption

In this discussion you’ll learn about different encryption protocols used to protect passwords in a Linux system.

Instructions

Lessons 4 through 6 guide you through the boot process of a Unix based OS, the system services available to the system, and methods for managing the system performance. Two important files an administrator must be aware of are the password and shadow files. This discussion exposes you to the location, purpose, and format of those two files.

Read M2 Exploration 2: The /etc Directory.

Based on the first letter of your last name ( T ) , discuss one of the following topics, using the resources provided in the M2 Exploration 2: The /etc directory or your own research (no Wikipedia please):

(A-F) Describe The difference between /etc/password and /etc/shadow files and how they relate.

(G-L) Describe the encryption/hash routine used to protect passwords.

(M-Z) Describe how Linux verifies a user’s password.