Shadow

Question 1

Shadow field #1

Answer 1

Login name

Question 2

Shadow field #2

Answer 2

Hashed password

Question 3

Shadow field #3

Answer 3

The date the password was last changed

Based from 1970.01.01

Question 4

Shadow field #4

Answer 4

The minimum number of days before password can be changed.

0 means no minimum

Question 5

Shadow field #5

Answer 5

Max number of days before a password must be chamged

Question 6

Shadow field #6

Answer 6

The warning period that a password must be changed.

Zero means no warning

Question 7

Shadow field #7

Answer 7

The number of days after a password has expired that an account can remain active.

Question 8

Shadow field #8

Answer 8

The date the account expires.

Based on 1970.01.01

Question 9

Shadow field #9

Answer 9

A blank field reserved for future use

Question 10

Breakdown of shadow field 2

$6$gCLa2/Z$kwJtgekiJgehbdixuhrhHjdjnxb782974hjebg

Answer 10

Fields are separated by ‘$’

The first field, in this case 6, specifies the hash used. ‘6’ represents sha512

The second field, ‘gCLa2/Z’, is the salt used

The third field is the hashed password based on the first two fields.