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### Encryption

Most wireless networks use some kind of security settings. These security settings define the authentication (how the device identifies itself to the network) and encryption (how the data is encrypted as it is sent on the network). If you do not correctly specify these options when you are configuring your Lenovo wireless machine, it will not be able to connect to the wireless network. Therefore, care must be taken when configuring these options.

Encryption Methods for a Personal Wireless Network
  A personal wireless network is a small network (such as a home wireless network) without IEEE 802.1x support.
  - None

    No encryption method is used.

  - WEP

    When using Wired Equivalent Privacy (WEP) the data is transmitted and received with a secured key.

  - TKIP

    Temporal Key Integrity Protocol (TKIP) provides per-packet key mixing a message integrity check and rekeying mechanism.

  - AES

    Advanced Encryption Standard (AES) provides stronger data protection using a symmetric-key encryption.

  - IEEE 802.11n does not support either WEP or TKIP as an encryption method.
  - To connect to your wireless network using IEEE 802.11n, we recommend selecting AES.

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