What is a key bitting array?

The first is generating a key bitting array (KBA). This array shows all of the possible change key combinations in a system under a Top Master Key (TMK). The next is calculating the pin stack for an A2 system. There are three different pinning systems for Best cores, the A2, A3, & A4.

What is a grandmaster key?

: a master key designed to fit a number of different master-keyed systems of locks.

What do the numbers on master keys mean?

The first number would usually correspond with the cut nearest the bow (or head) of the key. A higher number usually means a deeper cut. So if the second number is higher than the first and the second cut is deeper than the first cut, it is a pretty safe bet the number is the bitting of the key.

How do I know which is my master key?

“Master keys are identified with a simple test. You can test whether or not you have a Master key by watching the Security light as you insert your key into the ignition. If the Security light turns off immediately after insertion of the key, it is a Master key.

What is a bitting code?

The bitting code is the translated blind code which the locksmith actually uses to cut each blank key. Each number in the bitting code corresponds to a cut on the key blade. For example, a bitting code of 11111 with Depth and Spacing Number 46 specifies a Kwikset key with five shallow cuts.

Can a master key be copied?

Master Key Systems Are Created on Restricted Keyways Restricted keyways are patented, which means that they can’t be sold on the open market and can’t be copied at a hardware store or commercial location. Instead, master keys can only be copied with your authorization by your key provider.

How can you tell a master key?

What is the function of master key?

A master key is a cryptographic key (typically a symmetric key ( Symmetric Cryptosystem)) whose sole purpose is to protect other keys, such as session keys, while those keys are in storage, in use, or in transit.

Do all locks have master keys?

Any key that can open two or more locks is considered a master key. Many master keys use pin and tumbler locks. For a master key to work, though, there must be something called master wafers inside the lock.

What do codes on keys mean?

Key Identification Numbers Bitting codes are defined as the decoded blind code that a locksmith may use to replicate the key. If you take your key with a number on it to a locksmith shop thats got a code machine , they car cut a key for you off that code.

How do I know what key type?

In most cases the key number will be stamped on the front of the lock next to where the key enters. In some cases the number may also be stamped on the original key.