5

IPSEC SPECIFICATIONS

5.1IPSec Appendix

This appendix provides information about IPSec supported protocols and modes, encryption algorithms and block sizes, and Black Box IPSec and IKE default values.

IPSec Supported Protocols and Algorithms

The following tables provide supported protocol and algorithm information.

Table 1 IPSec Protocols Support

Supported Security

Mode

Protocols

 

 

 

ESP

Tunnel

 

Transport

AH

Tunnel

 

Transport

 

 

Table 2

Encryption Algorithms

 

Encryption Algorithms for ESP

Block Size

 

 

Data Encryption Standard (DES)

56-bits

Triple Data Encryption Standard (3DES)

168-bits

Advanced Encryption Standard (AES-128)

128-bits

Advanced Encryption Standard (AES-192)

192-bits

Advanced Encryption Standard (AES-256)

256-bits

Null Encryption

 

Table 3

Authentication Algorithms

Authentication Algorithms for

Hash Size

AH/ESP

 

 

HMAC-MD5-9696-bits

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Black Box LR1114A-T1/E1, LR1112A-T1/E1, LR1104A-T1/E1, LR1102A-T1/E1 manual Ipsec Specifications, 1IPSec Appendix