Cisco Cisco Packet Data Gateway (PDG)
IPSec Transform Set Configuration Mode Commands
hmac ▀
Command Line Interface Reference, StarOS Release 17 ▄
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and message authenticity. A hash takes a message of any size and transforms it into a message of a fixed size:
the authenticator value. This is truncated to 96 bits and transmitted. The authenticator value is reconstituted
by the receiver and the first 96 bits are compared for a 100 percent match.
the authenticator value. This is truncated to 96 bits and transmitted. The authenticator value is reconstituted
by the receiver and the first 96 bits are compared for a 100 percent match.
Example
The following command configures the default HMAC value (SHA1-96):
default hmac