Key Wrapping

Definitions

1. The protection of one cryptographic key by encrypting it with another key, typically for storage, transport, or hierarchical key management. Key wrapping is used in HSMs, KMS platforms, and envelope-encryption systems to separate data keys from master keys.

   In plain English: Encrypting one key with another key to protect it.

   Example: "The service used key wrapping so short-lived data keys were encrypted under a master key in the HSM."

Related Terms

• Public Key Cryptography
• Block Cipher
• Ciphertext
• Encryption Key Management
• Envelope Encryption
• Ephemeral Key
• Hardware Security Module
• Hybrid Encryption
• Data Encryption
• Recovery Key