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2. Master keying - Wikipedia

   en.wikipedia.org/wiki/Master_keying

   For example, master keyed pin tumbler locks often have two shear points at each pin position, one for the change key and one for the master key. A far more secure (and more expensive) system has two cylinders in each lock, one for the change key and one for the master key. Master keyed lock systems generally reduce overall security. [2]

3. Key code - Wikipedia

   en.wikipedia.org/wiki/Key_code

   Example: 23N7 (General Motors) or X2100 (Nissan) are examples of blind codes used for automotive ignition keys. Many computer and manually generated master keying charts also utilize blind codes for identifying individual change keys and masters within the system.

4. Cryptographic key types - Wikipedia

   en.wikipedia.org/wiki/Cryptographic_key_types

   Key wrapping keys are also known as key encrypting keys. Symmetric and asymmetric random number generation keys These are keys used to generate random numbers. Symmetric master key A symmetric master key is used to derive other symmetric keys (e.g., data encryption keys, key wrapping keys, or authentication keys) using symmetric cryptographic ...

5. Hardware security module - Wikipedia

   en.wikipedia.org/wiki/Hardware_security_module

   Typically, the keys would be of high value - meaning there would be a significant, negative impact to the owner of the key if it were compromised. The functions of an HSM are: onboard secure cryptographic key generation, onboard secure cryptographic key storage, at least for the top level and most sensitive keys, which are often called master keys,

6. Glossary of cryptographic keys - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_cryptographic_keys

   master key - key from which all other keys (or a large group of keys) can be derived. Analogous to a physical key that can open all the doors in a building. master encryption key (MEK) - Used to encrypt the DEK/TEK key. master key encryption key (MKEK) - Used to encrypt multiple KEK keys. For example, an HSM can generate several KEK and wrap ...

7. ‘Abused our trust’: Inside the fraud that keeps hurting small ...

   www.aol.com/abused-trust-inside-fraud-keeps...

   More than $1,400 was stolen from the vault of a small town near Branson by someone with a master key. ... The examples go on. ... Copies of computer-generated check registers are provided to board ...

8. Key derivation function - Wikipedia

   en.wikipedia.org/wiki/Key_derivation_function

   Example of a Key Derivation Function chain as used in the Signal Protocol.The output of one KDF function is the input to the next KDF function in the chain. In cryptography, a key derivation function (KDF) is a cryptographic algorithm that derives one or more secret keys from a secret value such as a master key, a password, or a passphrase using a pseudorandom function (which typically uses a ...

9. Key management - Wikipedia

   en.wikipedia.org/wiki/Key_management

   A key management system (KMS), also known as a cryptographic key management system (CKMS) or enterprise key management system (EKMS), is an integrated approach for generating, distributing and managing cryptographic keys for devices and applications. They may cover all aspects of security - from the secure generation of keys over the secure ...