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#33387 - 03/10/15 11:39 AM What are non-control ASCII characters
deniro Offline


Registered: 09/09/09
In order to create a password on a certain web site, one of the requirements is to use least eight non-ascii control characters. I should know this, and I have a hunch it's very obvious, but can someone answer? I used what I thought would qualify, but maybe I didn't use enough.
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#33389 - 03/10/15 12:32 PM Re: What are non-control ASCII characters [Re: deniro]
joemikeb Online
Moderator

Registered: 08/04/09
Loc: Fort Worth, Texas
Which is it non-control ASCII characters as in your title or non-ASCII control characters as in your text? I suspect your title is correct in which case any upper or lower alphanumeric character or symbol should work. Other than resorting to hexadecimal or binary code I can't figure out how one would go about entering non-ASCII control characters. In any case you can find the ASCII character set here which contains a list of the ASCII control characters, the printable ASCII characters, and the extended ASCII character set.
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#33392 - 03/10/15 01:04 PM Re: What are non-control ASCII characters [Re: joemikeb]
deniro Offline


Registered: 09/09/09
Sorry. I'll cut and paste:

"Password requires 8-20 non-control ascii characters"
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OS X 10.11.6
iMac 21.5", Mid 2011
2.8 GHz Intel Core i7, 24 GB
AMD Radeon HD 6770M
Using Apple computers since 1980

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#33393 - 03/10/15 01:08 PM Re: What are non-control ASCII characters [Re: deniro]
Virtual1 Offline


Registered: 08/04/09
Loc: Iowa
The shorter answer is there are 32 'control characters' prior to the 'printable' 96 in the low-bit ascii range 0-127. Many of the control chars are used for special keys such as arrows, return, and escape. It's pretty rare to find any password system that will accept non-printable characters.

I you want to get exotic with your password characters, you can go with the symbols, tho the ones that are NOT above the numbers are actually the less-used and may be slightly more secure.
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#33398 - 03/11/15 04:37 AM Re: What are non-control ASCII characters [Re: deniro]
Virtual1 Offline


Registered: 08/04/09
Loc: Iowa
also oblig XKCD: http://xkcd.com/936/
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#33416 - 03/12/15 02:54 PM Re: What are non-control ASCII characters [Re: deniro]
tacit Offline


Registered: 08/03/09
Loc: Portland, Oregon, USA
ASCII characters are letters, numbers, and standard punctuation marks that do not have accent marks or non-English characters. Every character in this post, for example, is a non-control ASCII character.

"Non-control ASCII characters" is brain-dead computer-programmer-speak for "numbers, English letters, and standard punctuation." Whatever user interface designer wrote that message needs to be fired.
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