Chapter 6 security, 1 authentication, 2 authorization – Planet Technology BT-200U User Manual

Page 51: 3 bluetooth device identity, 4 encryption, 5 link key, Security, Chapter 6

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Appendix C - Specifications

47

Chapter 6

Security

6.1 AUTHENTICATION

Authentication is used to verify identity; it requires a passkey or link key from the
remote device. When a remote device attempts access, a visual and/or audio warning
notifies the local operator.

If the notification is ignored, access is denied after a preset timeout.

When devices are

“paired,” those devices automatically exchange a link key and

Authentication is carried out without operator intervention.

6.2 AUTHORIZATION

Authorization is Yes-or-No security that requires operator intervention to avoid having
the connection time out and fail.

Authorization is limited to:

l

Yes, you may connect (click the balloon to proceed)

l

No, you may not connect (ignore the balloon prompt and the connection will
fail).

6.3 BLUETOOTH DEVICE IDENTITY

Every Bluetooth device has a unique Bluetooth Device Address (BDA) assigned to it
during the manufacturing process. This address cannot be changed by the end-user.

A device

’s BDA is usually displayed in hexadecimal format; 00:D0:B7:03:2E:9F is a

valid BDA.

Each Bluetooth device also has an operator-configurable, user-friendly name to help
distinguish it from other devices. The user-friendly name may be up to 99 alphanu-
meric characters in length and may contain spaces. My Personal Computer is a valid
user friendly name.

6.4 ENCRYPTION

Encrypting data translates it into an unreadable format using a secret key or password.

Decrypting the data requires the same key or password that was used to encrypt it.

6.5 LINK KEY

A unique, internally generated, access code based on a passkey, the Bluetooth Device
Address and an internally generated random number. Link keys are generated auto-
matically when devices Pair.

After a link key is generated, manual entry of the passkey is not required.

6

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