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Chapter 2
SpeedTouch™ IPSec terminology
2.2 Security Descriptor
What is ... All security parameters required to establish a secure tunnel are grouped into a string called Security Descriptor or simply descriptor. Two different sets of descriptors are defined:
IKE session descriptors
IPSec descriptors
A Descriptor contains the methods for message authentication, encryption and hashing, and the lifetime of the Security Association. A number of descriptors are
IKE session Descriptor The IKE descriptor contains the following parameters:
Encryption method
Message integrity method (also called message authentication)
Lifetime of the Security Association.
IPSec Descriptor The IPSec descriptor contains the following parameters:
Encryption method
Message integrity method (also called message authentication)
Selection to use Perfect Forward Secrecy, or not
Lifetime of the Security Association
Encapsulation method.
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