User's Manual

Table Of Contents
SEL-3022 Transceiver Instruction Manual Date Code 20050615
Introduction & Specifications
Product Overview
1.4
Cryptographic Manual—Do Not Copy
When the SEL-5809 Settings Software/SEL-5810 Virtual Serial Software receives a
message from the wireless port, it decrypts and authenticates the message and passes it
to the virtual serial port which in turn passes it to your PC program. See Figure 1.2.
Figure 1.2 Encrypted Packet Stream
PC With SEL-5809 Settings Software or SEL-5810 Virtual Serial Software
SEL-5809 or SEL-5810
Security Application
Serial PC
Application
AES
Encryption
Key
AcSELerator
®
Software (2)
Hyperterml.ht
WEP
Encryption
Key
802.11b Wireless Module
Secured
Data
HMAC SHA-1
Authentication
and
AES Encryption
802.11b
Radio
WEP
Encryptor
HMAC
Authentication
Key
Preliminary Copy