# Airdecap-ng **Decrypting Traffic with Airdecap-ng** * Tool takes an input libpcap file of WEP-encrypted content and the WEP key, generating an output file of unencrypted content (`airdecap-ng` also supports WPA-PSK packet captures, with some caveats ``` airdecap-ng -w E1:26:9E:1D:19:2A:C7:1B:9F:33:53:55:54 wep.pcap ``` * output file will be the input file name with `-dec.pcap` at the end --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://book.ice-wzl.xyz/wifi-bluetooth-zigbee-sdr-smartcards/airdecap-ng.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.