Blizzard Authenticator adds extra security to WoW->
Submitted
by
Asmor
Asmor writes "When I first read it, it sounded like a late April Fool's joke: Blizzard will soon be offering an electronic keychain device, dubbed the Blizzard Authenticator, which generates 6-digit codes at the press of the button. Once you associate an authenticator's serial number with your WoW account, in the future in addition to a password you must also supply the number from the authenticator. Each number is valid one-time only, and only for a short period. Though the press release and accompanying FAQ are light on technical details, from the temporal nature of the codes it seems likely that they're the result of some hashing algorithm based on the device's serial number and the current time."
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