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Posted by Joe Richards [MVP] on May 9, 2007, 10:39 pm
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characters or 128 2-Byte Unicode.
--
Joe Richards Microsoft MVP Windows Server Directory Services
Author of O'Reilly Active Directory Third Edition
www.joeware.net
---O'Reilly Active Directory Third Edition now available---
http://www.joeware.net/win/ad3e.htm
Roger Abell [MVP] wrote:
>>> Hi,
>>>
>>> If a password is for example 128bit, how long is it in characters (a-z
>>> & A-Z)?
>>> How can i calculate this?
>>>
>>> If the password is "THISisMYpassword". How many bit password is it?
>>>
>> I think you're misinterpreting something. 128-bit security has nothing to
>> do with the length of the password. It's the level of coding the security
>> uses, to try to express it simply. But to take your question literally,
>> the password if we store the password as 8-bit bytes it would be 14
>> characters, but usually it is encrypted before storing.
>>
>> --
>> Frank Saunders, MS-MVP OE/WM
>> http://www.fjsmjs.com
>>
>
> Didn't Windows change to use of Unicode from Ascii for passwords
> some time back, IIRC when the length was greatly increased in the
> NT4 to W2k transition? If so, then these are 16 bit chars.
>
> However, prior comments are right on. There is probably some
> confusion here between cipher key lengths, password hashes as
> stored, and passwords.
>
> Roger
>
>
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