64 bit WEP is the same as 40 bit WEP!
The higher level of WEP encryption, commonly referred to as 128 bit WEP, actually uses a 104 bit (26 Hex character) "secret key" (set by the user), and a 24 bit "Initialization Vector" (not under user control).
The methods for entering WEP codes are confusing enough, but it gets worse if you are trying to get wireless products from different manufacturers to work together! A particularly tricky combination is products based on the Lucent/WaveLAN drivers (ORiNOCO, Buffalo Tech) with products based on the Intersil PRISM drivers (SMC, Linksys, D-Link, others).
The key to success is to pay attention to the WEP key formats that must be used for each product.
The Lucent based products typically require you to enter the WEP key in either ASCII or Hexadecimal (Hex) format. The default is ASCII, i.e. regular alpha-numeric characters. If you want to use Hex format, you must start the code with "0x" (that's the number zero and a lower-case "x"). A typical WaveLAN based WEP setup screen is shown below.
Now look at this typical Intersil PRISM WEP client setup screen. This example is from a Client card that allows either 64 or 128 bit WEP.
Two methods can be used:
1) Passphrase Method:
This is not the same as directly entering an ASCII key!
2) Manual Entry Method:
The simplest way to get these two products to work together is to use Hexadecimal keys, since that method is common to both.
Tip #1: Remember to use the "0x" prefix to indicate Hexadecimal
Tip #2: Make sure your card can support the WEP level that you are trying to set! ORiNOCO "Silver" cards support only 64 bit WEP. "Gold" cards support 64 or 128 WEP.
Tip #3: Remember to enter the correct number of characters for the desired encryption level in the Lucent WEP Setup window. Use the popup WEP Code Summary if you forget how many characters you need to use.
See the links on this page.
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