Re: Password multibple duplicated string problem

This is how the password -> Ku algorithm works: it repeats the password
until it has 1 megabyte of data, then runs the hash algorithm over that
data.  See https://tools.ietf.org/html/rfc2574#page-78 .

  Bill


On Wed, Feb 11, 2015 at 5:07 AM, JiaZhaohan <[email protected]> wrote:

> Hi,
>
> I don't know if it is a general problem. I didn't search out any related
> issues.
>
> I use "password" as my password of snmpd. I can get result from  "snmpget
> -v3 -c private -u username -a MD5 -A password  -l authPriv -x DES -X
> password localhost 1.3.6.1.4.1.x"
>
> However, I can user the multiple times of password to get the result too:
>
> "snmpget -v3 -c private -u username -a MD5 -A passwordpassword  -l
> authPriv -x DES -X passwordpassword localhost 1.3.6.1.4.1.x".
> "snmpget -v3 -c private -u username -a MD5 -A passwordpasswordpassword  -l
> authPriv -x DES -X passwordpasswordpassword localhost 1.3.6.1.4.1.x".
>
> Moreover, I tried to change my password to "abcdabcd" which is duplicated
> "abcd" strings. All the following snmpget whose password is the multiple
> times of "abcd" work:
> "snmpget -v3 -c private -u username -a MD5 -A abcdabcd  -l authPriv -x
> DES -X abcdabcd localhost 1.3.6.1.4.1.x"
> "snmpget -v3 -c private -u username -a MD5 -A abcdabcdabcd  -l authPriv
> -x DES -X abcdabcdabcd localhost 1.3.6.1.4.1.x"
> "snmpget -v3 -c private -u username -a MD5 -A abcdabcdabcdabcd  -l
> authPriv -x DES -X abcdabcdabcdabcd localhost 1.3.6.1.4.1.x"
>
> I don't know if any one met the same problem before.
>
> Thanks
> Zhaohan
>
>
>
>
>
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hub for all things parallel software development, from weekly thought
leadership blogs to news, videos, case studies, tutorials and more. Take a
look and join the conversation now. http://goparallel.sourceforge.net/

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