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"KEK"

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Diagram illustrating the relationship between KEK and DEK encryption keys

HSM & Security

What is KEK (Key Encryption Key)?

KEK (Key Encryption Key) is an encryption key used to encrypt the DEK (Data Encryption Key) and decrypt the encrypted DEK. The relationship between KEK and DEK: in encryption systems, keys are managed in a layered structure.

Diagram of symmetric key types used in payment systems

HSM & Security

Types of Symmetric Keys

In the world of payment systems, keys and their uses are important for transferring information from one place to another, storing information, and securing authorization and scripting steps. Key types are divided into six categories based on their purpose.