Encryption Calculator

Key Space :
Size of Key Space:
Keys Tested / Second :
# Machines :
Time (seconds) :
Time (hours) :
Time (days) :
Time (years) :

This is a guide to show exactly how complex and how much work has to be done by specialist cracking software and incredibly powerful computers. Often these computers that are built specifically to crack codes, or ecrypt passwords are multi processor, and often they are linked to other computers utilising what is called a Network Attack. Specialist tools are used to crack complex codes. Rainbow tables may be used, and dictionary attacks are commonly used to ensure that the most common variants of words, (and therefore passwords), and used to bypass the powerful, but not time efficient 'Brute Force Attack'

The key space is the type of encryption, (for example Office provides a 40bit encryption, so if you were trying to work out how long it would take to crack an office document, you would type in 40 in this box. If it was 128bit encryption, you would type in 128, if it was 256bit then you would type in 256 and so on.

The size of keyspace shows exactly how many combinations there are of that password.

Keys per second show approximately how many attempts your computer can attempt in a second.

# Machines show how many computers are being used, (multiple computers can be used to speed up the process.

What you are then left with is the time it takes to achieve the crack , (taking into consideration that every possible variant of password would have been checked.

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