HMAC key types

HMAC keys are variable-length (80 - 2048 bits) keys used to generate and verify MACs using the key-hash MAC algorithm.

Table 1. Descriptions of HMAC key types and service usage
HMAC key type Usable with services
Variable-length AES key-token, version X'05'
MAC class:
  • These keys are used to generate and verify a message authentication code (MAC).
MAC HMAC Generate, HMAC Verify, MAC Generate2, MAC Verify2